US20050247074A1 - Cooling apparatus - Google Patents
Cooling apparatus Download PDFInfo
- Publication number
- US20050247074A1 US20050247074A1 US11/097,700 US9770005A US2005247074A1 US 20050247074 A1 US20050247074 A1 US 20050247074A1 US 9770005 A US9770005 A US 9770005A US 2005247074 A1 US2005247074 A1 US 2005247074A1
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- US
- United States
- Prior art keywords
- column
- housing
- air
- fan
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 43
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 238000009429 electrical wiring Methods 0.000 claims abstract 3
- 239000003570 air Substances 0.000 claims description 66
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000012080 ambient air Substances 0.000 claims description 10
- 239000012809 cooling fluid Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000009428 plumbing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/04—Arrangements for portability
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B2200/00—Details not otherwise provided for in A45B
- A45B2200/10—Umbrellas; Sunshades
- A45B2200/1009—Umbrellas; Sunshades combined with other objects
- A45B2200/1045—Umbrellas; Sunshades combined with other objects with a misting device having at least one nozzle for spraying a fluid, e.g. water
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B3/00—Sticks combined with other objects
Definitions
- This invention relates to a cooling apparatus.
- An object of the invention is to provide a cooling apparatus which can provide a cooled area suitable for the purposes indicated above.
- a cooling apparatus comprises support means extending upwardly to a height for cooling a surrounding area, means supported by the support means for cooling the adjacent air, and air-moving means such as a fan including means for directing the cooled air laterally and preferably downwards into the area surrounding the support means.
- the cooled air is distributed in all lateral directions, preferably over substantially 360°.
- a cooling apparatus comprises a base for supporting the apparatus on the ground, a support preferably in the form of a column extending upwardly from the base to an upper region at a height greater than the average height of a seated person, cooling means located at the aforesaid region and supported by the support for cooling the adjacent air, and air-moving means such as a fan including means for directing the cooled air downwards into the area surrounding the support, the apparatus being freestanding and self contained except for requiring a source of electricity such as an electrical wire connection to a direct or preferably an alternating source of current.
- free-standing is meant that the apparatus does not require duct connections to an adjacent structure such as a building or building wall. However, while it can be fixed to the ground, preferably it is not, and more preferably is mobile.
- the support column extends to a height greater than the average height of a standing person.
- the cooling apparatus is an air-conditioner including a compressor, a condenser heat-exchanger and an evaporator heat-exchanger with the usual associated fans connected by suitable piping and plumbing to function as a conventional closed cycle compression refrigerator.
- the compressor is located in the base, and the condenser and the evaporator are located in the upper region of the support, the connecting piping being located in the support.
- a housing is provided at the top of the column for receiving the cooling means, and preferably the housing forms a canopy.
- the housing at the top comprises an upper conical section and a lower coaxial frustoconical section in which the maximum diameter of the upper section is larger than the minimum diameter of the lower section and the maximum diameter of the lower section is greater than the maximum diameter of the upper section.
- the evaporator and its associated fan may be located in the lower section of the housing and the refrigeration condenser and associated fan may be located in the upper section of the housing.
- the lower section of the housing preferably comprises a first set of grilles or louvers arranged in its periphery for the passage of air into or out of the housing and may have a second set of grilles or louvers in its lower surface for the passage of air into or out of the housing.
- the first set of grilles or louvers may comprise an air inlet for ambient air while the second set of grilles or louvers may comprise an air outlet for cooled air or vice versa.
- the upper section of the housing may also have a third set of grilles or louvers arranged in its periphery for the passage of air into the housing and may have a fourth set of grilles or louvers in its upper surface for the passage of heated air out of the housing.
- the column preferably is hollow and contains the piping and electrical feed to the cooling means and the fan(s) at the top.
- the base may further comprise storage for a cooling fluid for supply to the cooling means and may be provided with connection means for connection to an electricity supply.
- the apparatus may be constructed alternatively to provide heated air instead of cold air and may include switching means for selectively reversing the operation of the condenser and evaporator so as to provide heated air instead of cooled air.
- Any switching means for the apparatus may be controlled by a thermostat so that its operation depends on the ambient temperature and the thermostat may be settable manually by the operator.
- FIG. 1 is a simplified front view of one form of cooling apparatus in accordance with the invention
- FIG. 2 is a schematic but more detailed cross-sectional view of a variation of the apparatus of FIG. 1 ;
- FIG. 3 is a view from below of the upper part the apparatus of FIG. 2 with a lower cover removed;
- FIGS. 4 and 5 are partial views, similar to the upper portion of FIG. 2 , but showing a second embodiment of the cooling apparatus in accordance with the invention in which provision is made for switching between a cooling operation and a heating operation, FIG. 4 showing the set up for cooling and FIG. 5 showing the set up when switched over to heating;
- FIG. 6 is schematic view of another embodiment of the invention.
- FIG. 7 is a schematic view of an embodiment that incorporates a heating unit.
- a cooling apparatus 1 comprising a base 3 for supporting the apparatus on the ground or floor of a structure such as a patio, a column 5 extending upwardly from the base 3 and an upper housing 7 generally carrying some refrigeration and air distribution equipment, to be described later in connection with FIG. 2 .
- the column 5 is of a height at least greater than the average height of a sitting person but preferably of a height greater than the average height of a standing person. This means that the column 5 is of a height such that the lower surface of the upper housing 7 is positioned above the ground a distance greater than the average height of a sitting person but preferably of a height greater than the average height of a standing person.
- the height above ground of the lower surface of the upper housing 7 is greater than about 40 inches, and preferably greater than about 69 inches. In this way the apparatus can be readily used, with the smaller height column, to cool air in an area where people are sitting and with the larger height column, the cooling area will be extended to cool also standing people in this area.
- the upper housing 7 is, as shown, of generally circular construction having a pagoda like shaped canopy and is composed of an upper section 9 of conical shape and a lower section 11 of frusto-conical shape which latter is of a larger external diameter than that of the upper section 9 .
- the upper section 9 extends slightly beyond the inner edge of the lower section 11 to provide a recessed joining section 13 which contains louvers or grille 15 which enable air to enter the upper arrangement 7 .
- the upper section 9 contains adjustable louvers or grilles 17 which allow the exhaust of heated air produced by the refrigeration equipment.
- the base 3 in addition to its supporting function, preferably contains the compressor and condensate tanks and may provide a location or connection point for a remote packaged chilled water supply. These items in the base, having the greatest weight, afford more stability to the free-standing structure. In view of the weight of the base 3 , to make the apparatus more mobile, it may be mounted on castors (not shown).
- connection between the base 3 and upper arrangement 7 is carried out within the column 5 to which end, the column 5 may contain pipes, electrical feeds, etc.
- a remote controller may be provided to control the various operations of the apparatus so as to enable sophisticated environmental control.
- the remote sensor is conveniently located in the column.
- the construction is basically similar to that shown in FIG. 1 .
- the upper housing 7 houses the refrigeration condenser(s) 21 and its associated fan(s) 23 and the evaporator(s) 25 and its associated fan(s) 27 . More than one condenser and its associated fan and evaporator and its associated fan can be included.
- the condenser 21 and fan 23 are housed in the upper section 9 of the upper arrangement 7 while the evaporator 25 and its fan 27 are located in the lower section 11 .
- these units and their fans are each integral components of coaxial construction with the units being on the outside and surrounding the fans. Alternatively, these components can be arranged such that the fan for the condenser coils sits on top of the latter, and the fan for the evaporator coils sits below the latter.
- the housing/canopy 7 comprises an upper conical section 9 and a lower coaxial frusto-conical section 11 in which the maximum diameter of the upper section 9 is larger than the minimum diameter of the lower section 11 and the maximum diameter of the lower section 11 is greater than the maximum diameter of the upper section 9 .
- air is drawn in through the perimeter louvers or grills 15 (indicated by the ingoing arrows at the perimeter of unit 9 ) by the condenser fan 23 which is speed controlled and over the coil of the condenser 21 in one embodiment. Thereafter, the air is expelled through the louvers or grilles 17 (indicated by the outgoing arrows above unit 9 ). Air is also expelled by means of louvers or grilles 29 situated around the lower part 31 by means of the fan 27 (indicated by the outgoing arrows at the perimeter of unit 11 ), which is also speed-controlled, across the coil of the evaporator 25 .
- the upper housing 7 can be suitably insulated to avoid the formation of condensation in some environmental conditions.
- the base 3 provides a stable base for the apparatus and also houses the refrigeration compressor together with its attendant conventional ancillaries, such as suitable valves and strainers, and a condensate drain reservoir. For this reason, the base may be provided with some sound insulation. Condensate tanks 33 are also located in the base and these will either be emptied manually or by means of automatic condensate pumps discharging through a suitably sized drain 35 . Suitably sized connection points 37 may be fitted to the base 3 for use with either a remotely sited water chiller or condensing unit. Connection means for a supply of electricity are also provided. Preferably an appropriately shaped cover or removable housing (not shown) may be provided to cover the base and its components.
- FIG. 3 illustrates a view of the bottom of the pagoda-like structure 7 , with the small circles in the item labeled 5 representing piping and electrical cabling connections between the upper structure 7 and the base 3 .
- the grilles or louvers 29 and 31 or other forms of openings for allowing the passage of air may be reversed so as to provide cooling air from the bottom of the upper structure as well as from the periphery of the lower section 11 of the housing 7 .
- the evaporator 25 with its fan 27 is needed. While the remainder of the refrigeration apparatus has been indicated as preferably being situated in the base 3 , it will be understood that, with a suitable construction, some or all of this apparatus could be carried in the housing/canopy 7 . Any or all of the grilles or louvers may be variably controlled in respect of direction of airflow and/or size of aperture. A remote control arrangement may be used for controlling any of the functions of the apparatus. Although a circular construction of the housing/canopy 7 has been shown, other shapes, such as square or polygonal, could be used. Furthermore, while a preferred pagoda shape of the housing has been shown, any suitable shape of housing could be used. If the apparatus is used internally or beneath an existing canopy, the canopy shape of the apparatus may not be needed.
- FIGS. 4 and 5 The second embodiment of the invention as shown in FIGS. 4 and 5 is designed to cope with such a situation.
- the arrangement of FIG. 4 is set up to provide cooling air.
- the upper housing 7 houses a refrigeration condenser 121 and its associated fan 123 and an evaporator 125 and its associated fan 127 .
- the condenser 121 and fan 123 are housed in an upper section 109 of the upper arrangement 7 while the evaporator 125 and its fan 127 are located in a lower section 111 .
- these units and their fans are of coaxial construction with the units being on the outside and surrounding the fans.
- top conical section 107 forming a “roof” structure
- the upper section 109 in the form of a coaxial frusto-conical section and a lower coaxial frusto-conical section 111 in which the maximum diameter of top section 107 is larger than the minimum diameter of the middle section 109 , the maximum diameter of the middle section 109 is larger than the minimum diameter of the lower section 111 and the maximum diameter of the lower section 111 is greater than the maximum diameter of the middle section 109 .
- the housing 7 expands conically downward in three tiers.
- louvers or grilles 115 In a cooling operation, air is drawn in through the perimeter louvers or grills 115 by the fan 123 which is speed controlled and over the coil of the condenser 121 ; thereafter, the warm air, warmed by the operation of the condenser 121 , is expelled upward through louvers or grilles 117 .
- Air to be cooled is drawn in through louvers or grilles 129 situated beneath the lower part 111 by means of the fan 127 , which is also speed controlled, and passes the air across the coil of the evaporator 125 . Thereafter, the air, cooled by the evaporator 125 , is distributed downwardly from the lower section 111 by way of louvers or grilles 131 .
- the switching arrangement may be operated manually by the user when he or she feels that the ambient temperature warrants it or it may be automatically controlled by means of an ambient air-sensing thermostat.
- This thermostat can suitably be manually controlled to set the changeover temperature while a particular temperature for changeover can be set so that there can be an overlap.
- changeover from cool to warm may take place at one temperature
- changeover from warm to cool may take place at another, different temperature.
- FIG. 6 is a schematic side view with some interior parts visible of still another embodiment of the invention.
- This embodiment similarly to the FIG. 2 embodiment, places the condenser/fan 21 , 23 in the upper section 209 of the housing 207 , the evaporator/fan 25 , 27 in the lower housing section 211 , ambient air intakes at the grills 215 , the warmed air outtakes at the grills 217 , the ambient air intake 229 for the evaporator and the cooled air outlet at 231 .
- the upper section 209 differs from that of FIG. 2 in that the maximum diameter of the upper section 209 is not larger than the minimum diameter of the lower section 211 whereas the maximum diameter of the lower section 211 is still greater than the maximum diameter of the upper section 209 .
- the large area canopy is formed by the maximum diameter of the lower section. While not visible in FIG. 6 , the overall configuration viewed from the top is octagonal rather than circular. In the closed base 203 , an outline of the compressor 200 is visible. In this case, the condensate tanks are 233 are built into the wall of the base 203 . Numeral 240 is an access door for the base components, and the structure 242 depicted in the column 5 can be a manual switch for the system or a sensor for a remote control (not shown). The internal piping and wiring has been omitted for clarity. The height indicated by reference numeral 244 is at least greater than the average height of a seated person to ensure that the distributed air, which is distributed over a full 360°, will cover persons seated around the cooler.
- FIG. 7 illustrates an embodiment in which an electric heater has been added to the assembly to provide heating instead of cooling where circumstances require.
- the basic cooling apparatus can be fitted with an electric infra-red heating system.
- the configuration of this system will be such so as to allow it to be fitted either at time of manufacture or later by the end user.
- FIG. 7 which shows only a lower part 250 of the pagoda-shaped assembly 207 with the grills 231 , several infra-red elements or emitters or lamps 252 are mounted at the lower part 250 so that the emitters 256 , inside a reflector 258 , in turn housed in an enclosure 260 , face downward and outward. They can be supported on the lower part 250 by means of a suitable adjustable bracket 262 .
- these heater assemblies 252 will be fitted to the assembly around its perimeter at a point below the first or lower tier where the evaporator, air inlet filter shrouds may be located.
- the control for the heating can be by the remote controller or by its own dedicated controller/switch; the power supply being fitted into the assembly base.
- the operation of the heating can be automatic in that when the ambient temperature falls below the controller set point, the cooling function will cease and the heating function will start. As the ambient temperature rises the opposite cycle will prevail.
- the heaters can be rectangular fitted to the straight sides.
- the assembly is circular, curved heaters can be used.
- a misting unit can also be added to the assembly to supply misting in addition to or instead of cooled or heated air.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A cooling apparatus (1) comprises a base (3) for supporting the apparatus on the ground, a column (5) extending upwardly from the base to a height greater than the average height of a sitting person, cooling means (27) located at the top of the column (5) and supported thereby for cooling the adjacent air and fan means (29) for directing the cooled air laterally and preferably downwards into the area surrounding the column. The apparatus is both freestanding and self contained. Preferably, the compressor of a standard refrigeration system is located in the base, and the evaporator and condenser units are located in an upper section of the apparatus, with the plumbing and electrical wiring connections located in the column.
Description
- This invention relates to a cooling apparatus.
- There are many occasions in which it is desirable to provide a cooled area either in outdoor or indoor situations so that people within a specific area can remain cool despite a somewhat higher than desirable ambient temperature.
- An object of the invention is to provide a cooling apparatus which can provide a cooled area suitable for the purposes indicated above.
- According to one aspect of the invention, a cooling apparatus comprises support means extending upwardly to a height for cooling a surrounding area, means supported by the support means for cooling the adjacent air, and air-moving means such as a fan including means for directing the cooled air laterally and preferably downwards into the area surrounding the support means.
- According to a further aspect of the invention, the cooled air is distributed in all lateral directions, preferably over substantially 360°.
- According to another aspect of the invention, a cooling apparatus comprises a base for supporting the apparatus on the ground, a support preferably in the form of a column extending upwardly from the base to an upper region at a height greater than the average height of a seated person, cooling means located at the aforesaid region and supported by the support for cooling the adjacent air, and air-moving means such as a fan including means for directing the cooled air downwards into the area surrounding the support, the apparatus being freestanding and self contained except for requiring a source of electricity such as an electrical wire connection to a direct or preferably an alternating source of current. By “free-standing” is meant that the apparatus does not require duct connections to an adjacent structure such as a building or building wall. However, while it can be fixed to the ground, preferably it is not, and more preferably is mobile.
- Preferably the support column extends to a height greater than the average height of a standing person.
- In accordance with another aspect of the invention, the cooling apparatus is an air-conditioner including a compressor, a condenser heat-exchanger and an evaporator heat-exchanger with the usual associated fans connected by suitable piping and plumbing to function as a conventional closed cycle compression refrigerator. The compressor is located in the base, and the condenser and the evaporator are located in the upper region of the support, the connecting piping being located in the support. Preferably, a housing is provided at the top of the column for receiving the cooling means, and preferably the housing forms a canopy.
- In accordance with another aspect of the invention, the housing at the top comprises an upper conical section and a lower coaxial frustoconical section in which the maximum diameter of the upper section is larger than the minimum diameter of the lower section and the maximum diameter of the lower section is greater than the maximum diameter of the upper section. Preferably, the evaporator and its associated fan may be located in the lower section of the housing and the refrigeration condenser and associated fan may be located in the upper section of the housing.
- The lower section of the housing preferably comprises a first set of grilles or louvers arranged in its periphery for the passage of air into or out of the housing and may have a second set of grilles or louvers in its lower surface for the passage of air into or out of the housing. The first set of grilles or louvers may comprise an air inlet for ambient air while the second set of grilles or louvers may comprise an air outlet for cooled air or vice versa. The upper section of the housing may also have a third set of grilles or louvers arranged in its periphery for the passage of air into the housing and may have a fourth set of grilles or louvers in its upper surface for the passage of heated air out of the housing.
- The column preferably is hollow and contains the piping and electrical feed to the cooling means and the fan(s) at the top.
- The base may further comprise storage for a cooling fluid for supply to the cooling means and may be provided with connection means for connection to an electricity supply.
- In accordance with still another aspect of the invention, the apparatus may be constructed alternatively to provide heated air instead of cold air and may include switching means for selectively reversing the operation of the condenser and evaporator so as to provide heated air instead of cooled air.
- Any switching means for the apparatus may be controlled by a thermostat so that its operation depends on the ambient temperature and the thermostat may be settable manually by the operator.
- The invention will now be described in greater detail, by way of example, with reference to the drawings, like reference numerals designating the same or similar elements, in which:
-
FIG. 1 is a simplified front view of one form of cooling apparatus in accordance with the invention; -
FIG. 2 is a schematic but more detailed cross-sectional view of a variation of the apparatus ofFIG. 1 ; -
FIG. 3 is a view from below of the upper part the apparatus ofFIG. 2 with a lower cover removed; -
FIGS. 4 and 5 are partial views, similar to the upper portion ofFIG. 2 , but showing a second embodiment of the cooling apparatus in accordance with the invention in which provision is made for switching between a cooling operation and a heating operation,FIG. 4 showing the set up for cooling andFIG. 5 showing the set up when switched over to heating; -
FIG. 6 is schematic view of another embodiment of the invention; -
FIG. 7 is a schematic view of an embodiment that incorporates a heating unit. - Referring firstly to
FIG. 1 , there is shown a cooling apparatus 1 comprising abase 3 for supporting the apparatus on the ground or floor of a structure such as a patio, acolumn 5 extending upwardly from thebase 3 and anupper housing 7 generally carrying some refrigeration and air distribution equipment, to be described later in connection withFIG. 2 . Thecolumn 5 is of a height at least greater than the average height of a sitting person but preferably of a height greater than the average height of a standing person. This means that thecolumn 5 is of a height such that the lower surface of theupper housing 7 is positioned above the ground a distance greater than the average height of a sitting person but preferably of a height greater than the average height of a standing person. Typically, this means that the height above ground of the lower surface of theupper housing 7 is greater than about 40 inches, and preferably greater than about 69 inches. In this way the apparatus can be readily used, with the smaller height column, to cool air in an area where people are sitting and with the larger height column, the cooling area will be extended to cool also standing people in this area. - The
upper housing 7 is, as shown, of generally circular construction having a pagoda like shaped canopy and is composed of an upper section 9 of conical shape and alower section 11 of frusto-conical shape which latter is of a larger external diameter than that of the upper section 9. As can be seen, the upper section 9 extends slightly beyond the inner edge of thelower section 11 to provide arecessed joining section 13 which contains louvers orgrille 15 which enable air to enter theupper arrangement 7. - The upper section 9 contains adjustable louvers or
grilles 17 which allow the exhaust of heated air produced by the refrigeration equipment. Thebase 3, in addition to its supporting function, preferably contains the compressor and condensate tanks and may provide a location or connection point for a remote packaged chilled water supply. These items in the base, having the greatest weight, afford more stability to the free-standing structure. In view of the weight of thebase 3, to make the apparatus more mobile, it may be mounted on castors (not shown). - Connection between the
base 3 andupper arrangement 7 is carried out within thecolumn 5 to which end, thecolumn 5 may contain pipes, electrical feeds, etc. - A remote controller may be provided to control the various operations of the apparatus so as to enable sophisticated environmental control. The remote sensor is conveniently located in the column.
- Turning now to
FIGS. 2 and 3 , a more detailed version of the cooling apparatus of the invention will be described. The construction is basically similar to that shown inFIG. 1 . Theupper housing 7 houses the refrigeration condenser(s) 21 and its associated fan(s) 23 and the evaporator(s) 25 and its associated fan(s) 27. More than one condenser and its associated fan and evaporator and its associated fan can be included. As can be seen, thecondenser 21 andfan 23 are housed in the upper section 9 of theupper arrangement 7 while theevaporator 25 and itsfan 27 are located in thelower section 11 . As shown, these units and their fans are each integral components of coaxial construction with the units being on the outside and surrounding the fans. Alternatively, these components can be arranged such that the fan for the condenser coils sits on top of the latter, and the fan for the evaporator coils sits below the latter. - For a fuller understanding of the construction of the housing/
canopy 7, it comprises an upper conical section 9 and a lower coaxial frusto-conical section 11 in which the maximum diameter of the upper section 9 is larger than the minimum diameter of thelower section 11 and the maximum diameter of thelower section 11 is greater than the maximum diameter of the upper section 9. - In use, air is drawn in through the perimeter louvers or grills 15 (indicated by the ingoing arrows at the perimeter of unit 9) by the
condenser fan 23 which is speed controlled and over the coil of thecondenser 21 in one embodiment. Thereafter, the air is expelled through the louvers or grilles 17 (indicated by the outgoing arrows above unit 9). Air is also expelled by means of louvers orgrilles 29 situated around thelower part 31 by means of the fan 27 (indicated by the outgoing arrows at the perimeter of unit 11), which is also speed-controlled, across the coil of theevaporator 25. Thereafter, the cooled air is distributed outwardly around the perimeter of thelower section 11 by way of louvers or grilles 29 (indicated by the outgoing). Incoming air enters from the bottom of unit 31 (as indicated by the ingoing arrows below unit 31). Alternative arrangements of the ingoing and outgoing air are also possible within the invention. - The
upper housing 7 can be suitably insulated to avoid the formation of condensation in some environmental conditions. - The
base 3 provides a stable base for the apparatus and also houses the refrigeration compressor together with its attendant conventional ancillaries, such as suitable valves and strainers, and a condensate drain reservoir. For this reason, the base may be provided with some sound insulation.Condensate tanks 33 are also located in the base and these will either be emptied manually or by means of automatic condensate pumps discharging through a suitably sizeddrain 35. Suitably sizedconnection points 37 may be fitted to thebase 3 for use with either a remotely sited water chiller or condensing unit. Connection means for a supply of electricity are also provided. Preferably an appropriately shaped cover or removable housing (not shown) may be provided to cover the base and its components.FIG. 3 illustrates a view of the bottom of the pagoda-like structure 7, with the small circles in the item labeled 5 representing piping and electrical cabling connections between theupper structure 7 and thebase 3. - It will be appreciated that while the above described embodiment shows one form of cooling apparatus in accordance with the invention, the apparatus is suited to a large number of variations within the basic concept of the invention.
- For example, the grilles or
louvers lower section 11 of thehousing 7. - Where an external source of chilled water is used, only the
evaporator 25 with itsfan 27 is needed. While the remainder of the refrigeration apparatus has been indicated as preferably being situated in thebase 3, it will be understood that, with a suitable construction, some or all of this apparatus could be carried in the housing/canopy 7. Any or all of the grilles or louvers may be variably controlled in respect of direction of airflow and/or size of aperture. A remote control arrangement may be used for controlling any of the functions of the apparatus. Although a circular construction of the housing/canopy 7 has been shown, other shapes, such as square or polygonal, could be used. Furthermore, while a preferred pagoda shape of the housing has been shown, any suitable shape of housing could be used. If the apparatus is used internally or beneath an existing canopy, the canopy shape of the apparatus may not be needed. - There are occasions when, while the original state of the ambient air is sufficiently hot to require the provision of cold air, the temperature of the ambient air can drop to the point where heated air rather than cold air is needed. Such a situation can occur on a hot summer day which cools substantially in the evening. The second embodiment of the invention as shown in
FIGS. 4 and 5 is designed to cope with such a situation. Thus, the arrangement ofFIG. 4 is set up to provide cooling air. To this end, and similarly to the arrangement shown inFIG. 2 , theupper housing 7 houses arefrigeration condenser 121 and its associatedfan 123 and anevaporator 125 and its associatedfan 127. As can be seen, thecondenser 121 andfan 123 are housed in anupper section 109 of theupper arrangement 7 while theevaporator 125 and itsfan 127 are located in alower section 111. As shown, these units and their fans are of coaxial construction with the units being on the outside and surrounding the fans. Preferably theFIG. 4 embodiment comprises a topconical section 107 forming a “roof” structure, theupper section 109 in the form of a coaxial frusto-conical section and a lower coaxial frusto-conical section 111 in which the maximum diameter oftop section 107 is larger than the minimum diameter of themiddle section 109, the maximum diameter of themiddle section 109 is larger than the minimum diameter of thelower section 111 and the maximum diameter of thelower section 111 is greater than the maximum diameter of themiddle section 109. In this way, thehousing 7 expands conically downward in three tiers. - In a cooling operation, air is drawn in through the perimeter louvers or grills 115 by the
fan 123 which is speed controlled and over the coil of thecondenser 121; thereafter, the warm air, warmed by the operation of thecondenser 121, is expelled upward through louvers orgrilles 117. Air to be cooled is drawn in through louvers orgrilles 129 situated beneath thelower part 111 by means of thefan 127, which is also speed controlled, and passes the air across the coil of theevaporator 125. Thereafter, the air, cooled by theevaporator 125, is distributed downwardly from thelower section 111 by way of louvers orgrilles 131. - When the ambient air ceases to be hot, the operation of the
condenser 121 andevaporator 125 are reversed so that thecondenser 121 becomes an evaporator and theevaporator 125 becomes a condenser as shown inFIG. 5 . This is carried out by means of a well known switching mechanism (not shown) which causes the flow of refrigerant gas to be reversed. Thus, in the arrangement shown inFIG. 5 , ambient air is still drawn in through the louvers orgrilles grilles 131 will now be heated by the nowcondenser 125. The air emerging from the louvers orgrilles 117 will, with this arrangement, also be warm. The switching arrangement may be operated manually by the user when he or she feels that the ambient temperature warrants it or it may be automatically controlled by means of an ambient air-sensing thermostat. This thermostat can suitably be manually controlled to set the changeover temperature while a particular temperature for changeover can be set so that there can be an overlap. Thus the changeover from cool to warm may take place at one temperature, changeover from warm to cool may take place at another, different temperature. It will of course be understood that modifications may be made to this latterly described embodiment, in particular, where applicable, these modifications may be as described for the first embodiment. -
FIG. 6 is a schematic side view with some interior parts visible of still another embodiment of the invention. This embodiment, similarly to theFIG. 2 embodiment, places the condenser/fan upper section 209 of thehousing 207, the evaporator/fan lower housing section 211, ambient air intakes at thegrills 215, the warmed air outtakes at thegrills 217, theambient air intake 229 for the evaporator and the cooled air outlet at 231. Theupper section 209 differs from that ofFIG. 2 in that the maximum diameter of theupper section 209 is not larger than the minimum diameter of thelower section 211 whereas the maximum diameter of thelower section 211 is still greater than the maximum diameter of theupper section 209. Thus, the large area canopy is formed by the maximum diameter of the lower section. While not visible inFIG. 6 , the overall configuration viewed from the top is octagonal rather than circular. In theclosed base 203, an outline of thecompressor 200 is visible. In this case, the condensate tanks are 233 are built into the wall of thebase 203.Numeral 240 is an access door for the base components, and thestructure 242 depicted in thecolumn 5 can be a manual switch for the system or a sensor for a remote control (not shown). The internal piping and wiring has been omitted for clarity. The height indicated byreference numeral 244 is at least greater than the average height of a seated person to ensure that the distributed air, which is distributed over a full 360°, will cover persons seated around the cooler. -
FIG. 7 illustrates an embodiment in which an electric heater has been added to the assembly to provide heating instead of cooling where circumstances require. - The basic cooling apparatus can be fitted with an electric infra-red heating system. The configuration of this system will be such so as to allow it to be fitted either at time of manufacture or later by the end user.
- In the embodiment schematically illustrated in
FIG. 7 , which shows only alower part 250 of the pagoda-shapedassembly 207 with thegrills 231, several infra-red elements or emitters orlamps 252 are mounted at thelower part 250 so that theemitters 256, inside areflector 258, in turn housed in anenclosure 260, face downward and outward. They can be supported on thelower part 250 by means of a suitableadjustable bracket 262. Preferably, theseheater assemblies 252 will be fitted to the assembly around its perimeter at a point below the first or lower tier where the evaporator, air inlet filter shrouds may be located. The control for the heating can be by the remote controller or by its own dedicated controller/switch; the power supply being fitted into the assembly base. - The operation of the heating can be automatic in that when the ambient temperature falls below the controller set point, the cooling function will cease and the heating function will start. As the ambient temperature rises the opposite cycle will prevail.
- It is also possible that the end user will be able to choose, via an inbuilt, load partialization device; the percentage of heating elements in use at any one time.
- It is also possible to mount a condensate tray inside the tapered side wall for capturing condensate in the lower part of the housing, and mount the heaters on the underside of the condensate tray.
- When the assembly is octagonal with straight side edges, the heaters can be rectangular fitted to the straight sides. When the assembly is circular, curved heaters can be used.
- Alternatively or additionally, if desired, a misting unit can also be added to the assembly to supply misting in addition to or instead of cooled or heated air.
- It will be seen that the above described embodiments will provide an arrangement which will cool areas where people are sitting or standing and will additionally provide shade by virtue of the formation of the upper part of the apparatus in the form of a solid canopy. Another embodiment provides additionally the possibility of heating the same area as was cooled when the ambient temperature cools to a degree where such is required.
- While the invention has been described in connection with preferred embodiments, it will be understood that modifications thereof within the principles outlined above will be evident to those skilled in the art and thus the invention is not limited to the preferred embodiments but is intended to encompass such modifications.
Claims (25)
1. A cooling apparatus comprising:
a) support means,
b) cooling means located at the top of the support means and supported thereby for cooling the adjacent air, the cooling means extending upwardly to a height greater than the average height of a seated person,
c) fan means located at the top of the support means and supported thereby for directing the cooled air laterally into the area surrounding the support means.
2. A cooling apparatus comprising:
a) a base for supporting the apparatus on the ground,
b) a column extending upwardly from the base to a height greater than the average height of a seated person,
c) cooling means located at the top of the column and supported thereby for cooling the adjacent air,
d) fan means located at the top of the column and supported thereby for directing the cooled air downwards into the area surrounding the column,
e) the apparatus being freestanding and self contained.
3. An apparatus as claimed in claim 2 wherein the column extends to a height greater than 40 inches.
4. An apparatus as claimed in claim 2 , wherein the column extends to a height greater than the average height of a standing person.
5. An apparatus as claimed in claim 4 , wherein the column extends to a height greater than 69 inches.
6. An apparatus as claimed in claim 2 , further comprising a housing provided at the top of the column for receiving the cooling means and fan means.
7. An apparatus as claimed in claim 6 , wherein the housing forms a canopy.
8. An apparatus as claimed in claim 6 , wherein the housing comprises an upper conical section and a lower coaxial frusto-conical section in which the maximum diameter of the upper section is larger than the minimum diameter of the lower section and the maximum diameter of the lower section is greater than the maximum diameter of the upper section.
9. An apparatus as claimed in claim 6 , further comprising within the housing refrigeration means comprising an evaporator and associated evaporator fan.
10. An apparatus as claimed in claim 9 , wherein refrigeration means comprises a condenser and an associated condenser fan.
11. An apparatus as claimed in claim 8 , further comprising refrigeration means comprising an evaporator and associated evaporator fan and a condenser and an associated condenser fan, wherein the evaporator and its associated fan are located in the lower section of the housing and the condenser and associated fan are located in the upper section of the housing.
12. An apparatus as claimed in claim 11 , further comprising in the lower section of the housing a first set of grilles or louvers arranged in its periphery for the passage of air into or out of the housing and a second set of grilles or louvers in its lower surface for the passage of air out of or into the housing.
13. An apparatus as claimed in claim 12 , wherein the first set of grilles or louvers comprise an air inlet for ambient air while the second set of grilles or louvers comprise an air outlet for cooled air.
14. An apparatus as claimed in claim 12 , wherein the second set of grilles or louvers comprise an air inlet for ambient air while the first set of grilles or louvers comprise an air outlet for cooled air.
15. An apparatus as claimed in claim 12 , further comprising in the upper section of the housing a third set of grilles or louvers arranged in its periphery for the passage of air into the housing and a fourth set of grilles or louvers in its upper surface for the passage of heated air out of the housing.
16. An apparatus as claimed in claim 11 , wherein the column is hollow, and further comprising a compressor in the base, and in the hollow column piping and electrical wiring between the compressor and the evaporator and associated evaporator fan and condenser and associated condenser fan.
17. An apparatus as claimed in claim 2 , further comprising in the base storage for a cooling fluid for supply to the cooling means.
18. A cooling apparatus comprising:
a) a base for supporting the apparatus on the ground,
b) support means extending upwardly from the base to a height greater than the average height of a seated person,
c) cooling means located at the top of the support means and supported thereby for cooling the adjacent air,
d) fan means located at the top of the support means and supported thereby for directing the cooled air laterally and downwards into the area surrounding the column,
e) the apparatus being configured such that the cooled air is distributed substantially 360° in all directions.
19. An apparatus as claimed in claim 18 , wherein the apparatus is freestanding and self contained.
20. A cooling apparatus comprising:
a) a base for supporting the apparatus on the ground,
b) a column extending upwardly from the base to a height greater than about 40 inches,
c) a housing provided at the top of the column,
d) refrigeration means comprising:
i) an evaporator and associated evaporator fan,
ii) a condenser and associated condenser fan,
iii) a compressor,
iv) the evaporator and associated evaporator fan and the condenser and associated condenser fan being positioned in the housing at the top of the column, the compressor being positioned in the base,
v) the column being hollow,
vi) piping and electrical wiring running through the hollow column and interconnecting the compressor in the base and the evaporator and associated evaporator fan and condenser and associated condenser fan in the housing at the top of the column.
21. An apparatus as claimed in claim 20 , further comprising:
e) louvers or grilles in the housing for the passage of ambient air into the housing and cooled air out of the housing,
f) the fan means being positioned for directing the cooled air laterally and downwards into the area surrounding the column.
22. An apparatus as claimed in claim 20 ,
g) the apparatus being freestanding and self contained.
23. An apparatus as claimed in claim 22 , further comprising means for switching the functions of the evaporator and condenser such that the apparatus provides heated air instead of cold air.
24. An apparatus as claimed in claim 23 , wherein the switching means is controlled by a thermostat so that its operation depends on the ambient temperature.
25. An apparatus as claimed in claim 20 , further comprising:
e) infra-red heating elements distributed around the housing at the top of the column, and
f) means for activating the infra-red heating elements to heat the surrounding air.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/097,700 US20050247074A1 (en) | 2004-05-08 | 2005-04-04 | Cooling apparatus |
GB0514645A GB2416832B (en) | 2004-08-05 | 2005-07-18 | Cooling Apparatus |
MXPA06012769A MXPA06012769A (en) | 2004-08-05 | 2005-07-29 | Cooling apparatus. |
AU2005278943A AU2005278943B2 (en) | 2004-08-05 | 2005-07-29 | Cooling apparatus |
BRPI0508253-6A BRPI0508253A (en) | 2004-08-05 | 2005-07-29 | cooling appliance |
PCT/IB2005/002517 WO2006024916A1 (en) | 2004-08-05 | 2005-07-29 | Cooling apparatus |
EP05770637A EP1774227A1 (en) | 2004-08-05 | 2005-07-29 | Cooling apparatus |
IL177180A IL177180A0 (en) | 2004-08-05 | 2006-07-31 | Cooling apparatus |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0417454.6 | 2004-05-08 | ||
GB0417454A GB0417454D0 (en) | 2004-08-05 | 2004-08-05 | Cooling apparatus |
GB0427790A GB0427790D0 (en) | 2004-12-20 | 2004-12-20 | Cooling apparatus |
GBGB0427790.1 | 2004-12-22 | ||
US11/097,700 US20050247074A1 (en) | 2004-05-08 | 2005-04-04 | Cooling apparatus |
Publications (1)
Publication Number | Publication Date |
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US20050247074A1 true US20050247074A1 (en) | 2005-11-10 |
Family
ID=34915955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/097,700 Abandoned US20050247074A1 (en) | 2004-05-08 | 2005-04-04 | Cooling apparatus |
Country Status (8)
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---|---|
US (1) | US20050247074A1 (en) |
EP (1) | EP1774227A1 (en) |
AU (1) | AU2005278943B2 (en) |
BR (1) | BRPI0508253A (en) |
GB (1) | GB2416832B (en) |
IL (1) | IL177180A0 (en) |
MX (1) | MXPA06012769A (en) |
WO (1) | WO2006024916A1 (en) |
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US20110146542A1 (en) * | 2009-12-17 | 2011-06-23 | Branning William C | Outdoor table with thermally conditioned air |
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US20110260031A1 (en) * | 2008-11-20 | 2011-10-27 | Jiri Burda | Multifunctional supply element |
AU2013224756B2 (en) * | 2012-10-18 | 2015-04-02 | Port-A-Cool, Llc | Free-standing evaporative air cooling apparatus |
WO2018055430A1 (en) * | 2016-09-21 | 2018-03-29 | Carrier Corporation | Cooling unit for generating cooled area |
WO2018173022A3 (en) * | 2018-05-30 | 2018-11-22 | Universidad Autónoma De Chiriquí | Ventilated umbrella |
USD848727S1 (en) * | 2017-08-04 | 2019-05-21 | Raj Rao | Misting umbrella handle |
KR102060823B1 (en) * | 2019-08-26 | 2019-12-31 | 주식회사 엔쓰컴퍼니 | Air Density Control System Including a Air Conditioner installed on the Roof Top |
JP2020003158A (en) * | 2018-06-29 | 2020-01-09 | ダイキン工業株式会社 | Outdoor air conditioner |
JP2020003180A (en) * | 2018-06-29 | 2020-01-09 | ダイキン工業株式会社 | Outdoor air conditioner |
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JP2020003159A (en) * | 2018-06-29 | 2020-01-09 | ダイキン工業株式会社 | Air conditioner |
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CN110786606A (en) * | 2019-11-12 | 2020-02-14 | 苏州力佳达电子科技有限公司 | Outdoor umbrella air conditioning device with chassis battery |
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US20210030126A1 (en) * | 2018-02-02 | 2021-02-04 | Carrier Corporation | Air cooling unit |
US20210033294A1 (en) * | 2018-02-02 | 2021-02-04 | Carrier Corporation | Air cooling unit |
KR20210048248A (en) * | 2019-10-23 | 2021-05-03 | 박기철 | Mobile and fixed shelter |
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US11952794B2 (en) | 2018-02-02 | 2024-04-09 | Carrier Corporation | Cooling unit for generating cooled area |
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ES2326058B1 (en) * | 2006-12-20 | 2010-06-29 | Juan Carlos Santalo Barrios | MASTIL WITH HEATING AND AIR COOLING. |
ITUB20151070A1 (en) * | 2015-05-27 | 2016-11-27 | Studio Gandini Jacques | UNIT FOR COVERING AN EXTERNAL SPACE. |
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KR20200118680A (en) * | 2019-04-08 | 2020-10-16 | 주식회사 엔쓰컴퍼니 | System for Controlling Air Density |
KR102232888B1 (en) * | 2019-04-08 | 2021-03-26 | 주식회사 엔쓰컴퍼니 | System for Controlling Air Density |
KR102060823B1 (en) * | 2019-08-26 | 2019-12-31 | 주식회사 엔쓰컴퍼니 | Air Density Control System Including a Air Conditioner installed on the Roof Top |
WO2021040130A1 (en) * | 2019-08-26 | 2021-03-04 | 주식회사 엔쓰컴퍼니 | Air density control system equipped with air conditioner mounted on rooftop |
KR102268317B1 (en) * | 2019-10-23 | 2021-06-22 | 박기철 | Mobile and fixed shelter |
KR20210048248A (en) * | 2019-10-23 | 2021-05-03 | 박기철 | Mobile and fixed shelter |
CN110786606A (en) * | 2019-11-12 | 2020-02-14 | 苏州力佳达电子科技有限公司 | Outdoor umbrella air conditioning device with chassis battery |
Also Published As
Publication number | Publication date |
---|---|
GB2416832A (en) | 2006-02-08 |
GB0514645D0 (en) | 2005-08-24 |
AU2005278943A1 (en) | 2006-03-09 |
GB2416832B (en) | 2009-01-07 |
EP1774227A1 (en) | 2007-04-18 |
IL177180A0 (en) | 2006-12-10 |
MXPA06012769A (en) | 2007-01-16 |
AU2005278943B2 (en) | 2009-11-26 |
WO2006024916B1 (en) | 2006-05-18 |
WO2006024916A1 (en) | 2006-03-09 |
BRPI0508253A (en) | 2007-07-31 |
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