US20050183209A1 - Network and protocol for controlling washing and drying machines which share common utilities - Google Patents
Network and protocol for controlling washing and drying machines which share common utilities Download PDFInfo
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- US20050183209A1 US20050183209A1 US11/019,396 US1939604A US2005183209A1 US 20050183209 A1 US20050183209 A1 US 20050183209A1 US 1939604 A US1939604 A US 1939604A US 2005183209 A1 US2005183209 A1 US 2005183209A1
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- Prior art keywords
- machines
- drain
- washing
- laundry
- network
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/14—Supply, recirculation or draining of washing liquid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/08—Draining of washing liquids
Definitions
- the present invention relates to operating multiple machines of a laundry facility. Specifically, a system and network protocol are disclosed for controlling laundry machines which use a common resource.
- the overload of common resources may only be temporary. For instance, washing machines, or drying machines in a laundry facility, may only be draining or using an excessive amount of power during a portion of their washing/drying cycle. In the case of the drain, it is only used to discharge water following the washing cycle or the rinse cycle. Accordingly, it is not necessary to limit the number of machines in a facility if there is a way of controlling how many machines will use a particular resource at the same time. Thus, in the case of the drain, a machine needing the drain may be inhibited until such time as the drain capacity is available.
- the total number of machines serviceable by the facility would normally be limited.
- the machines are power intensive only during portions of their machine cycles, it is possible to inhibit a machine from entering a power intensive portion of its operational cycle if inadequate power is available for the machine.
- the present invention has been implemented to provide a central control facility for monitoring the usage of common resources to prevent exceeding their capacity.
- a system for controlling a plurality of washing machines in a laundry facility which share a common resource.
- a plurality of autonomously operated washing machines are connected via a network to a network controller.
- the washing machines each include a slave controller which monitors operation of the washing machine, collects status information regarding the washing cycle of a machine and reports the information to the network controller.
- the network controller determines from the status information how many machines are using a common resource.
- the network controller issues commands prohibiting a washing machine from using a common resource when the previously received status information of the washing machines using a common resource indicates the capacity of the common resource to service washing machines has been reached.
- the invention also includes a method for sharing resources among the plurality of laundry machines.
- a common network connects a slave device of the laundry machine to a controller which is common to all machines.
- the controller receives data indicating the number of machines using the shared resource, and if the number of machines has exceeded the capacity of the shared resource to service additional machines, the controller can inhibit any additional machines from attempting to use the shared resource.
- the additional machines may be placed in a waiting mode and are later authorized to use the shared resource when the number of machines using the resource has decreased by one.
- a common drain is used by all machines of a laundry facility, and the controller receives information from each machine as to the portion of a laundry cycle being executed by the machine.
- the drain is handling a maximum number of machines, additional machines are prohibited from entering a drain cycle until the number of machines in a drain cycle is below the maximum number. While the preferred embodiment is described with respect to one resource, a common drain, the features of the invention may be utilized to avoid exceeding the capacity of other resources, such as power, or even an exhaust commonly used by a plurality of dryers in a laundry facility.
- FIG. 1 is a perspective view of one embodiment of the invention illustrating a control system for a plurality of washing/drying machines of a laundry facility;
- FIG. 2 schematically represents the controller and machine network topology
- FIG. 3 is a flowchart illustrating the process executed by the master controller to determine the wash cycle status of each machine
- FIG. 4 illustrates the process executed at the slave controller of a washer/dryer machine
- FIG. 5 illustrates the process for authorizing a machine to use a common resource
- FIG. 6 illustrates the system process for allowing a machine to enter a rinse and extract portion of its washing/drying cycle.
- FIG. 1 there is shown a block diagram of a laundry facility having a plurality of washing/drying machines 10 - 13 .
- the illustrated machines are of the type described more particularly in U.S. patent application Ser. No. 10/428,994, filed May 5, 2003, owned by the Assignee of the present application.
- Each of the washing/drying machines 10 - 13 have associated with them a controller 18 , a door 15 for receiving a wash load and a washing agent compartment 14 .
- the electronic controllers 18 - 21 of each of the washing/drying machines 10 - 13 include a slave controller, which is capable of transmitting data and receiving data over the network 17 interconnecting each of the slave controllers 18 - 21 with the master controller 16 .
- the slave controllers 18 - 21 monitor the machine cycles, and determine when each of the machines reaches a point where a shared resource, such as a common drain 30 or increased power for the machines is needed. The status of each machine washing/drying cycle is reported to the master controller 16 where a decision can be made whether or not to authorize one of the washing/drying machines 10 - 13 to use the common resource 30 .
- Each of the machines 10 - 13 have individual drains 24 - 27 connected to a common drain 30 and are connected to a common source of input power. In order to avoid overloading the common drain, or overload the power source, the master controller 16 will keep track of the number of machines entering a discharge cycle or a power intensive cycle.
- controller 16 When the maximum number of machines are discharging wash water into the drain 30 , controller 16 inhibits additional machines from discharging wash water into the drain 30 .
- the system also monitors when a maximum number of machines are entering a power intensive portion of the operational cycle and inhibits additional machines from entering the power intensive portion when the input power will not support additional machines.
- FIG. 2 is a schematic representation of the controller 16 networked using an industrial network, such as the Allen Bradley Industrial Machine Network, to each of the washing/drying machines 10 - 13 .
- an industrial network such as the Allen Bradley Industrial Machine Network
- controller 16 and slave interface for controllers 18 - 21 of each machine may be realized.
- FIGS. 3-6 illustrate the embodiment of the invention which permits sharing of a common drain. Sharing of other resources, such as input power during power intensive portions of the washing cycle can be effected using similar programming.
- the steps executed by the master controller are illustrated to determine the state of various washing/drying machines connected to the network.
- the master controller in step 36 continuously polls each of the slave machines for information.
- the master controller is notified as determined from step 37 .
- the master controller has received X drain requests, as determined from decision block 38 , where X represents a maximum number of machines which can simultaneously drain at the same time, it notifies in step 42 the slave controller of any additional washing/drying machines that the drain function is at capacity.
- Step 42 represents the condition where the slave controller has had a drain permissive removed, thereby inhibiting the drain function of a given washing machine.
- Decision block 43 of the master controller determines when a machine has finished draining through systematic polls of the slave controllers of the machines, and the count of drain requests is reduced by one machine.
- the master controller enables the slave controller of a waiting machine in step 44 to clear the drain permissive which has inhibited the machine from entering the drain cycle.
- the slave controller of a waiting machine initiates in step 39 a drain routine when the master controller has cleared the drain permissive, previously applied because X machines were determined to already be using the common drain.
- the slave controller reports the drain status as having finished to the master controller which is continuously polling each of the slave controllers of the washing machines.
- FIGS. 4-6 The specific machine cycle and network control provided by the present invention for the machines described in accordance with the previously identified patent application is illustrated more particularly in FIGS. 4-6 .
- the invention may also be employed in other facilities which use other types of washing machines.
- Step 46 of FIG. 4 illustrates that portion of the washing cycle where the wash/rinse portion has been engaged.
- Step 47 illustrates a lint cleaning routine which is used in the aforesaid washing/drying machines. Following the lint cleaning mode, the washer/dryer begins filling for a wash cycle in step 48 .
- Decision block 49 determines whether the washer/dryer has filled to a desired washing level. If so, the washing cycle begins in step 50 . When the washing cycle is complete as determined in decision block 51 , the washer then looks to open the drain in step 52 . Before the washer can use its drain function, the master controller has in decision block 53 determined whether or not a condition exits, such as a large number of other machines using the drain, which will prohibit the use of the drain by another machine. If a previously drain inhibit command was initiated by the master controller in step 56 , the machine waits until such time that the master controller has sensed in step 57 that one of the machines previously in a drain cycle has completed the drain cycle.
- step 58 When the machine is allowed to drain in step 58 , the machine wash cycle goes into a post wash extract function in step 59 .
- a rinse cycle begins in step 60 when decision block 61 determines that the desired water level in the machine has been obtained.
- the rinse cycle completes in step 62 , and when decision block 63 indicates it is complete, the washer/dryer then attempts to drain following the rinse cycle in step 64 .
- the master controller may have previously inhibited the machine from using the drain if it has sensed in step 65 that X many machines are using the drain function.
- FIG. 6 illustrates the completion of the washing cycle.
- Step 68 in decision block 69 represents a condition where the machine has been placed in the wait state because the drain is at capacity due to other machines using the drain.
- a waiting machine is authorized in step 70 by removing a drain permissive previously established in the slave machine controller.
- the machine may then go into a post rinse extract function in step 71 .
- the washer/dryer machine of the referenced patent application may then begin a drying process in step 72 .
Abstract
Description
- This application is based on provisional application No. 60/546,187, filed Feb. 23, 2004, and claims priority thereto.
- The present invention relates to operating multiple machines of a laundry facility. Specifically, a system and network protocol are disclosed for controlling laundry machines which use a common resource.
- Large laundry facilities utilize numerous washing/drying machines which necessarily share common utilities, such as power and/or a drain. As the number of machines in a facility increases, the ability of the common resources to adequately service each additional machine is limited. For instance, in the case of a common drain used by all washing machines, the drain capacity may be such that only a certain number of machines may discharge wash water at a given time. Accordingly, the facility must include a way to avoid an overload of any common resources such as a drain, and it is necessary to avoid completely autonomous operation of each machine.
- The overload of common resources may only be temporary. For instance, washing machines, or drying machines in a laundry facility, may only be draining or using an excessive amount of power during a portion of their washing/drying cycle. In the case of the drain, it is only used to discharge water following the washing cycle or the rinse cycle. Accordingly, it is not necessary to limit the number of machines in a facility if there is a way of controlling how many machines will use a particular resource at the same time. Thus, in the case of the drain, a machine needing the drain may be inhibited until such time as the drain capacity is available.
- In the case of a facility that has a limited power service, such as 60 amp service for instance, the total number of machines serviceable by the facility would normally be limited. However, by recognizing that the machines are power intensive only during portions of their machine cycles, it is possible to inhibit a machine from entering a power intensive portion of its operational cycle if inadequate power is available for the machine. The present invention has been implemented to provide a central control facility for monitoring the usage of common resources to prevent exceeding their capacity.
- A system is provided for controlling a plurality of washing machines in a laundry facility which share a common resource. A plurality of autonomously operated washing machines are connected via a network to a network controller. The washing machines each include a slave controller which monitors operation of the washing machine, collects status information regarding the washing cycle of a machine and reports the information to the network controller. The network controller determines from the status information how many machines are using a common resource. The network controller issues commands prohibiting a washing machine from using a common resource when the previously received status information of the washing machines using a common resource indicates the capacity of the common resource to service washing machines has been reached.
- The invention also includes a method for sharing resources among the plurality of laundry machines. A common network connects a slave device of the laundry machine to a controller which is common to all machines. The controller receives data indicating the number of machines using the shared resource, and if the number of machines has exceeded the capacity of the shared resource to service additional machines, the controller can inhibit any additional machines from attempting to use the shared resource. The additional machines may be placed in a waiting mode and are later authorized to use the shared resource when the number of machines using the resource has decreased by one.
- In accordance with a preferred embodiment of the invention, a common drain is used by all machines of a laundry facility, and the controller receives information from each machine as to the portion of a laundry cycle being executed by the machine. When the drain is handling a maximum number of machines, additional machines are prohibited from entering a drain cycle until the number of machines in a drain cycle is below the maximum number. While the preferred embodiment is described with respect to one resource, a common drain, the features of the invention may be utilized to avoid exceeding the capacity of other resources, such as power, or even an exhaust commonly used by a plurality of dryers in a laundry facility.
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FIG. 1 is a perspective view of one embodiment of the invention illustrating a control system for a plurality of washing/drying machines of a laundry facility; -
FIG. 2 schematically represents the controller and machine network topology; -
FIG. 3 is a flowchart illustrating the process executed by the master controller to determine the wash cycle status of each machine; -
FIG. 4 illustrates the process executed at the slave controller of a washer/dryer machine; -
FIG. 5 illustrates the process for authorizing a machine to use a common resource; and -
FIG. 6 illustrates the system process for allowing a machine to enter a rinse and extract portion of its washing/drying cycle. - Referring now to
FIG. 1 , there is shown a block diagram of a laundry facility having a plurality of washing/drying machines 10-13. The illustrated machines are of the type described more particularly in U.S. patent application Ser. No. 10/428,994, filed May 5, 2003, owned by the Assignee of the present application. Each of the washing/drying machines 10-13 have associated with them acontroller 18, adoor 15 for receiving a wash load and awashing agent compartment 14. The electronic controllers 18-21 of each of the washing/drying machines 10-13 include a slave controller, which is capable of transmitting data and receiving data over thenetwork 17 interconnecting each of the slave controllers 18-21 with themaster controller 16. The slave controllers 18-21 monitor the machine cycles, and determine when each of the machines reaches a point where a shared resource, such as acommon drain 30 or increased power for the machines is needed. The status of each machine washing/drying cycle is reported to themaster controller 16 where a decision can be made whether or not to authorize one of the washing/drying machines 10-13 to use thecommon resource 30. Each of the machines 10-13 have individual drains 24-27 connected to acommon drain 30 and are connected to a common source of input power. In order to avoid overloading the common drain, or overload the power source, themaster controller 16 will keep track of the number of machines entering a discharge cycle or a power intensive cycle. When the maximum number of machines are discharging wash water into thedrain 30,controller 16 inhibits additional machines from discharging wash water into thedrain 30. The system also monitors when a maximum number of machines are entering a power intensive portion of the operational cycle and inhibits additional machines from entering the power intensive portion when the input power will not support additional machines. -
FIG. 2 is a schematic representation of thecontroller 16 networked using an industrial network, such as the Allen Bradley Industrial Machine Network, to each of the washing/drying machines 10-13. Using the application information available from the network provider, acontroller 16 and slave interface for controllers 18-21 of each machine may be realized. - The
master controller 16 and slave controllers 18-21 are programmed in accordance with the steps shown in the flowcharts ofFIGS. 3-6 .FIGS. 3-6 illustrate the embodiment of the invention which permits sharing of a common drain. Sharing of other resources, such as input power during power intensive portions of the washing cycle can be effected using similar programming. - Referring now to
FIG. 3 , the steps executed by the master controller are illustrated to determine the state of various washing/drying machines connected to the network. Once all of the machines have been powered up, and thenetwork controller 16 has entered a communication routine with each of the slave controllers 18-21, the master controller instep 36 continuously polls each of the slave machines for information. When a given washing/drying machine is entering the discharge portion of the washing cycle, the master controller is notified as determined fromstep 37. When the master controller has received X drain requests, as determined fromdecision block 38, where X represents a maximum number of machines which can simultaneously drain at the same time, it notifies instep 42 the slave controller of any additional washing/drying machines that the drain function is at capacity.Step 42 represents the condition where the slave controller has had a drain permissive removed, thereby inhibiting the drain function of a given washing machine. -
Decision block 43 of the master controller determines when a machine has finished draining through systematic polls of the slave controllers of the machines, and the count of drain requests is reduced by one machine. - At this time, the master controller enables the slave controller of a waiting machine in
step 44 to clear the drain permissive which has inhibited the machine from entering the drain cycle. - The slave controller of a waiting machine initiates in step 39 a drain routine when the master controller has cleared the drain permissive, previously applied because X machines were determined to already be using the common drain. When the slave machine finishes a drain routine, the slave controller reports the drain status as having finished to the master controller which is continuously polling each of the slave controllers of the washing machines.
- The specific machine cycle and network control provided by the present invention for the machines described in accordance with the previously identified patent application is illustrated more particularly in
FIGS. 4-6 . The invention may also be employed in other facilities which use other types of washing machines. -
Step 46 ofFIG. 4 illustrates that portion of the washing cycle where the wash/rinse portion has been engaged.Step 47 illustrates a lint cleaning routine which is used in the aforesaid washing/drying machines. Following the lint cleaning mode, the washer/dryer begins filling for a wash cycle instep 48. -
Decision block 49 determines whether the washer/dryer has filled to a desired washing level. If so, the washing cycle begins instep 50. When the washing cycle is complete as determined indecision block 51, the washer then looks to open the drain instep 52. Before the washer can use its drain function, the master controller has indecision block 53 determined whether or not a condition exits, such as a large number of other machines using the drain, which will prohibit the use of the drain by another machine. If a previously drain inhibit command was initiated by the master controller instep 56, the machine waits until such time that the master controller has sensed instep 57 that one of the machines previously in a drain cycle has completed the drain cycle. - When the machine is allowed to drain in
step 58, the machine wash cycle goes into a post wash extract function instep 59. A rinse cycle begins instep 60 whendecision block 61 determines that the desired water level in the machine has been obtained. The rinse cycle completes instep 62, and whendecision block 63 indicates it is complete, the washer/dryer then attempts to drain following the rinse cycle instep 64. However, the master controller may have previously inhibited the machine from using the drain if it has sensed instep 65 that X many machines are using the drain function. -
FIG. 6 illustrates the completion of the washing cycle.Step 68 indecision block 69 represents a condition where the machine has been placed in the wait state because the drain is at capacity due to other machines using the drain. Once the master controller determines instep 69 that another machine may use the common drain, a waiting machine is authorized instep 70 by removing a drain permissive previously established in the slave machine controller. The machine may then go into a post rinse extract function instep 71. The washer/dryer machine of the referenced patent application may then begin a drying process instep 72. - The foregoing description of the invention illustrates and describes the present invention. Additionally, the disclosure shows and describes only the preferred embodiments of the invention in the context of a network and protocol for controlling washing/drying machines which share common utilities, but, as mentioned above, it is to be understood that the invention is capable of use in various other combinations, modifications, and environments and is capable of changes or modifications within the scope of the inventive concept as expressed herein, commensurate with the above teachings and/or the skill or knowledge of the relevant art. The embodiments described hereinabove are further intended to explain best modes known of practicing the invention and to enable others skilled in the art to utilize the invention in such, or other, embodiments and with the various modifications required by the particular applications or uses of the invention. Accordingly, the description is not intended to limit the invention to the form or application disclosed herein. Also, it is intended that the appended claims be construed to include alternative embodiments.
Claims (18)
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US11/019,396 US20050183209A1 (en) | 2004-02-23 | 2004-12-23 | Network and protocol for controlling washing and drying machines which share common utilities |
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US54618704P | 2004-02-23 | 2004-02-23 | |
US11/019,396 US20050183209A1 (en) | 2004-02-23 | 2004-12-23 | Network and protocol for controlling washing and drying machines which share common utilities |
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US11/019,396 Abandoned US20050183209A1 (en) | 2004-02-23 | 2004-12-23 | Network and protocol for controlling washing and drying machines which share common utilities |
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Cited By (13)
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---|---|---|---|---|
US20060122715A1 (en) * | 2004-12-07 | 2006-06-08 | Alliance Laundry Systems Lc | Controller for bridging a host computer and networked laundry machines |
US20080072448A1 (en) * | 2006-09-25 | 2008-03-27 | Ecolab Inc. | Determination of dryness of textiles in a dryer |
WO2008132242A1 (en) * | 2007-05-01 | 2008-11-06 | Arcelik Anonim Sirketi | A laundry installation |
US20110041258A1 (en) * | 2009-08-19 | 2011-02-24 | Samsung Electronics Co., Ltd. | Washing machine and method to control the same |
US20110132043A1 (en) * | 2006-06-23 | 2011-06-09 | Lg Electronics Inc. | Total laundry treating system |
KR101265597B1 (en) * | 2006-06-23 | 2013-05-22 | 엘지전자 주식회사 | total laundry treating system |
US8782922B2 (en) | 2010-11-24 | 2014-07-22 | Ecolab Usa Inc. | Dryer monitoring |
US9206543B2 (en) | 2011-10-14 | 2015-12-08 | Ecolab Usa Inc. | Dryer monitoring |
CN105505606A (en) * | 2015-12-21 | 2016-04-20 | 王旭明 | Laundry detergent |
CN105657041A (en) * | 2016-02-18 | 2016-06-08 | 成都美联利华电气有限公司 | Washing system |
US20180135224A1 (en) * | 2015-04-28 | 2018-05-17 | Qingdao Haier Washing Machine Co., Ltd. | Washing machine failure detection and processing method |
CN109898263A (en) * | 2019-04-18 | 2019-06-18 | 陈江 | A kind of power shares more barrels of car washing installations |
CN114123342A (en) * | 2021-12-06 | 2022-03-01 | 四川虹美智能科技有限公司 | Shared drum washing machine system and energy-saving control method thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20060122715A1 (en) * | 2004-12-07 | 2006-06-08 | Alliance Laundry Systems Lc | Controller for bridging a host computer and networked laundry machines |
US7418521B2 (en) * | 2004-12-07 | 2008-08-26 | Alliance Laundry Systems Llc | Controller for bridging a host computer and networked laundry machines |
US20110132043A1 (en) * | 2006-06-23 | 2011-06-09 | Lg Electronics Inc. | Total laundry treating system |
KR101265598B1 (en) * | 2006-06-23 | 2013-05-22 | 엘지전자 주식회사 | total laundry treating system |
KR101265597B1 (en) * | 2006-06-23 | 2013-05-22 | 엘지전자 주식회사 | total laundry treating system |
US9249539B2 (en) | 2006-09-25 | 2016-02-02 | Ecolab Inc. | Determination of dryness of textiles in a dryer |
US20080072448A1 (en) * | 2006-09-25 | 2008-03-27 | Ecolab Inc. | Determination of dryness of textiles in a dryer |
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US8782922B2 (en) | 2010-11-24 | 2014-07-22 | Ecolab Usa Inc. | Dryer monitoring |
US9850621B2 (en) | 2011-10-14 | 2017-12-26 | Ecolab Usa Inc. | Dryer monitoring |
US9739007B2 (en) | 2011-10-14 | 2017-08-22 | Ecolab Usa Inc. | Dryer monitoring |
US9745689B2 (en) | 2011-10-14 | 2017-08-29 | Ecolab Usa Inc. | Dryer monitoring |
US9206543B2 (en) | 2011-10-14 | 2015-12-08 | Ecolab Usa Inc. | Dryer monitoring |
US20180135224A1 (en) * | 2015-04-28 | 2018-05-17 | Qingdao Haier Washing Machine Co., Ltd. | Washing machine failure detection and processing method |
EP3290558A4 (en) * | 2015-04-28 | 2019-04-10 | Qingdao Haier Washing Machine Co., Ltd. | Washing machine failure detection and processing method |
CN105505606A (en) * | 2015-12-21 | 2016-04-20 | 王旭明 | Laundry detergent |
CN105657041A (en) * | 2016-02-18 | 2016-06-08 | 成都美联利华电气有限公司 | Washing system |
CN105657041B (en) * | 2016-02-18 | 2019-07-05 | 成都美联利华电气有限公司 | A kind of washing system |
CN109898263A (en) * | 2019-04-18 | 2019-06-18 | 陈江 | A kind of power shares more barrels of car washing installations |
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