USRE29966E - Heat pump with frost-free outdoor coil - Google Patents
Heat pump with frost-free outdoor coil Download PDFInfo
- Publication number
- USRE29966E USRE29966E US05/831,032 US83103277A USRE29966E US RE29966 E USRE29966 E US RE29966E US 83103277 A US83103277 A US 83103277A US RE29966 E USRE29966 E US RE29966E
- Authority
- US
- United States
- Prior art keywords
- fins
- heating
- heat exchanger
- compressor
- indoor
- 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.)
- Expired - Lifetime
Links
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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
Abstract
Description
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US435673A US3918268A (en) | 1974-01-23 | 1974-01-23 | Heat pump with frost-free outdoor coil |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US435673A Reissue US3918268A (en) | 1974-01-23 | 1974-01-23 | Heat pump with frost-free outdoor coil |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE29966E true USRE29966E (en) | 1979-04-17 |
Family
ID=23729321
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US435673A Expired - Lifetime US3918268A (en) | 1974-01-23 | 1974-01-23 | Heat pump with frost-free outdoor coil |
US05/831,032 Expired - Lifetime USRE29966E (en) | 1974-01-23 | 1977-09-06 | Heat pump with frost-free outdoor coil |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US435673A Expired - Lifetime US3918268A (en) | 1974-01-23 | 1974-01-23 | Heat pump with frost-free outdoor coil |
Country Status (1)
Country | Link |
---|---|
US (2) | US3918268A (en) |
Cited By (24)
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---|---|---|---|---|
US20050204757A1 (en) * | 2004-03-18 | 2005-09-22 | Michael Micak | Refrigerated compartment with controller to place refrigeration system in sleep-mode |
US20080209925A1 (en) * | 2006-07-19 | 2008-09-04 | Pham Hung M | Protection and diagnostic module for a refrigeration system |
US20090071175A1 (en) * | 2007-09-19 | 2009-03-19 | Emerson Climate Technologies, Inc. | Refrigeration monitoring system and method |
US20100077779A1 (en) * | 2006-12-16 | 2010-04-01 | Star Refrigeration Limited | Air-source heat pump |
US20100111709A1 (en) * | 2003-12-30 | 2010-05-06 | Emerson Climate Technologies, Inc. | Compressor protection and diagnostic system |
US7878006B2 (en) | 2004-04-27 | 2011-02-01 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US20110112814A1 (en) * | 2009-11-11 | 2011-05-12 | Emerson Retail Services, Inc. | Refrigerant leak detection system and method |
US20110132588A1 (en) * | 2009-11-23 | 2011-06-09 | Icecode, Llc | System and Method for Energy-Saving Inductive Heating of Evaporators and Other Heat-Exchangers |
US8160827B2 (en) | 2007-11-02 | 2012-04-17 | Emerson Climate Technologies, Inc. | Compressor sensor module |
US20120291472A1 (en) * | 2009-11-30 | 2012-11-22 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
US8964338B2 (en) | 2012-01-11 | 2015-02-24 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
US8974573B2 (en) | 2004-08-11 | 2015-03-10 | Emerson Climate Technologies, Inc. | Method and apparatus for monitoring a refrigeration-cycle system |
US9140728B2 (en) | 2007-11-02 | 2015-09-22 | Emerson Climate Technologies, Inc. | Compressor sensor module |
US9285802B2 (en) | 2011-02-28 | 2016-03-15 | Emerson Electric Co. | Residential solutions HVAC monitoring and diagnosis |
US9310439B2 (en) | 2012-09-25 | 2016-04-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
US9310094B2 (en) | 2007-07-30 | 2016-04-12 | Emerson Climate Technologies, Inc. | Portable method and apparatus for monitoring refrigerant-cycle systems |
US9480177B2 (en) | 2012-07-27 | 2016-10-25 | Emerson Climate Technologies, Inc. | Compressor protection module |
US9534818B2 (en) | 2012-01-17 | 2017-01-03 | Si2 Industries, Llc | Heat pump system with auxiliary heat exchanger |
US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
US9638436B2 (en) | 2013-03-15 | 2017-05-02 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
US9765979B2 (en) | 2013-04-05 | 2017-09-19 | Emerson Climate Technologies, Inc. | Heat-pump system with refrigerant charge diagnostics |
US9823632B2 (en) | 2006-09-07 | 2017-11-21 | Emerson Climate Technologies, Inc. | Compressor data module |
US10488090B2 (en) | 2013-03-15 | 2019-11-26 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification |
US10914503B2 (en) | 2018-02-01 | 2021-02-09 | Johnson Controls Technology Company | Coil heating systems for heat pump systems |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE395175B (en) * | 1975-08-05 | 1977-08-01 | Stal Laval Turbin Ab | ENERGY UNIT FOR SUPPLY OF DISTRICT HEATING SYSTEM |
US4065938A (en) * | 1976-01-05 | 1978-01-03 | Sun-Econ, Inc. | Air-conditioning apparatus with booster heat exchanger |
US4299095A (en) * | 1979-08-13 | 1981-11-10 | Robertshaw Controls Company | Defrost system |
JPS57202462A (en) * | 1981-06-05 | 1982-12-11 | Mitsubishi Electric Corp | Air conditioner |
US4409796A (en) * | 1982-03-05 | 1983-10-18 | Rutherford C. Lake, Jr. | Reversible cycle heating and cooling system |
US4493193A (en) * | 1982-03-05 | 1985-01-15 | Rutherford C. Lake, Jr. | Reversible cycle heating and cooling system |
US4553401A (en) * | 1982-03-05 | 1985-11-19 | Fisher Ralph H | Reversible cycle heating and cooling system |
US4785639A (en) * | 1986-05-20 | 1988-11-22 | Sundstrand Corporation | Cooling system for operation in low temperature environments |
DE3635604C2 (en) * | 1986-10-20 | 1998-07-02 | Leybold Ag | Method for carrying out maintenance work on a refrigerator, device and refrigerator for carrying out the method |
US4761964A (en) * | 1986-10-22 | 1988-08-09 | Pacheco Jerry J | Apparatus for enhancing the performance of a heat pump and the like |
US5109677A (en) * | 1991-02-21 | 1992-05-05 | Gary Phillippe | Supplemental heat exchanger system for heat pump |
US5163304A (en) * | 1991-07-12 | 1992-11-17 | Gary Phillippe | Refrigeration system efficiency enhancer |
US5259213A (en) * | 1991-12-19 | 1993-11-09 | Gary Phillippe | Heat pump efficiency enhancer |
US6490876B2 (en) | 2000-02-15 | 2002-12-10 | Whirlpool Corporation | Method and apparatus for de-icing dehumidifier |
US6604577B2 (en) * | 2000-12-05 | 2003-08-12 | Eric P. Mulder | Geothermal heat pump cleaning control system and method |
KR101264429B1 (en) * | 2006-09-01 | 2013-05-14 | 엘지전자 주식회사 | Water Cooling Type Air Conditioner |
WO2011130162A2 (en) | 2010-04-12 | 2011-10-20 | Drexel University | Heat pump water heater |
US10274210B2 (en) | 2010-08-27 | 2019-04-30 | Nortek Air Solutions Canada, Inc. | Heat pump humidifier and dehumidifier system and method |
US9050360B1 (en) * | 2010-12-27 | 2015-06-09 | Robert P. Scaringe | Apparatus for crankcase pressure regulation using only ambient air or coolant temperature |
DE102012213644A1 (en) * | 2012-08-02 | 2014-02-20 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigeration unit with automatic defrost |
US9772124B2 (en) | 2013-03-13 | 2017-09-26 | Nortek Air Solutions Canada, Inc. | Heat pump defrosting system and method |
WO2016029428A1 (en) * | 2014-08-29 | 2016-03-03 | Trane Air Conditioning Systems (China) Co., Ltd. | Systems and methods to detect heater malfunction and prevent dry burning |
US10337780B2 (en) * | 2014-12-09 | 2019-07-02 | Lennox Industries Inc. | Variable refrigerant flow system operation in low ambient conditions |
US10119730B2 (en) * | 2016-02-08 | 2018-11-06 | Vertiv Corporation | Hybrid air handler cooling unit with bi-modal heat exchanger |
US11879673B2 (en) * | 2018-07-17 | 2024-01-23 | United Electric Company. L.P. | Refrigerant charge control system for heat pump systems |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3135317A (en) * | 1960-03-10 | 1964-06-02 | William H Goettl | Heat pump and means for defrosting the outside coils thereof |
US3159981A (en) * | 1963-03-14 | 1964-12-08 | Gen Electric | Heat pump including frost control means |
US3189085A (en) * | 1960-09-13 | 1965-06-15 | Westinghouse Electric Corp | Air conditioning apparatus |
US3209551A (en) * | 1962-06-27 | 1965-10-05 | Chausson Usines Sa | Air-conditioning process and equipment, more particularly for vehicles |
US3365902A (en) * | 1966-10-27 | 1968-01-30 | Larkin Coils Inc | Reverse cycle refrigeration system |
US3466888A (en) * | 1968-05-15 | 1969-09-16 | Westinghouse Electric Corp | Defrost controls for heat pumps |
US3529659A (en) * | 1968-04-17 | 1970-09-22 | Allen Trask | Defrosting system for heat pumps |
US3783635A (en) * | 1972-07-25 | 1974-01-08 | Dunham Bush Inc | Replaceable defrost heater for fin and tube evaporator and spring retaining clip for same |
US3786227A (en) * | 1972-11-15 | 1974-01-15 | Thermo King Corp | Heat exchanger defrost apparatus |
-
1974
- 1974-01-23 US US435673A patent/US3918268A/en not_active Expired - Lifetime
-
1977
- 1977-09-06 US US05/831,032 patent/USRE29966E/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3135317A (en) * | 1960-03-10 | 1964-06-02 | William H Goettl | Heat pump and means for defrosting the outside coils thereof |
US3189085A (en) * | 1960-09-13 | 1965-06-15 | Westinghouse Electric Corp | Air conditioning apparatus |
US3209551A (en) * | 1962-06-27 | 1965-10-05 | Chausson Usines Sa | Air-conditioning process and equipment, more particularly for vehicles |
US3159981A (en) * | 1963-03-14 | 1964-12-08 | Gen Electric | Heat pump including frost control means |
US3365902A (en) * | 1966-10-27 | 1968-01-30 | Larkin Coils Inc | Reverse cycle refrigeration system |
US3529659A (en) * | 1968-04-17 | 1970-09-22 | Allen Trask | Defrosting system for heat pumps |
US3466888A (en) * | 1968-05-15 | 1969-09-16 | Westinghouse Electric Corp | Defrost controls for heat pumps |
US3783635A (en) * | 1972-07-25 | 1974-01-08 | Dunham Bush Inc | Replaceable defrost heater for fin and tube evaporator and spring retaining clip for same |
US3786227A (en) * | 1972-11-15 | 1974-01-15 | Thermo King Corp | Heat exchanger defrost apparatus |
Cited By (64)
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US8475136B2 (en) | 2003-12-30 | 2013-07-02 | Emerson Climate Technologies, Inc. | Compressor protection and diagnostic system |
US20100111709A1 (en) * | 2003-12-30 | 2010-05-06 | Emerson Climate Technologies, Inc. | Compressor protection and diagnostic system |
US7152415B2 (en) | 2004-03-18 | 2006-12-26 | Carrier Commercial Refrigeration, Inc. | Refrigerated compartment with controller to place refrigeration system in sleep-mode |
US20050204757A1 (en) * | 2004-03-18 | 2005-09-22 | Michael Micak | Refrigerated compartment with controller to place refrigeration system in sleep-mode |
US10335906B2 (en) | 2004-04-27 | 2019-07-02 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US9121407B2 (en) | 2004-04-27 | 2015-09-01 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US7878006B2 (en) | 2004-04-27 | 2011-02-01 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US7905098B2 (en) | 2004-04-27 | 2011-03-15 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US9669498B2 (en) | 2004-04-27 | 2017-06-06 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US8474278B2 (en) | 2004-04-27 | 2013-07-02 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US20110144944A1 (en) * | 2004-04-27 | 2011-06-16 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
US8974573B2 (en) | 2004-08-11 | 2015-03-10 | Emerson Climate Technologies, Inc. | Method and apparatus for monitoring a refrigeration-cycle system |
US9023136B2 (en) | 2004-08-11 | 2015-05-05 | Emerson Climate Technologies, Inc. | Method and apparatus for monitoring a refrigeration-cycle system |
US9690307B2 (en) | 2004-08-11 | 2017-06-27 | Emerson Climate Technologies, Inc. | Method and apparatus for monitoring refrigeration-cycle systems |
US9304521B2 (en) | 2004-08-11 | 2016-04-05 | Emerson Climate Technologies, Inc. | Air filter monitoring system |
US9086704B2 (en) | 2004-08-11 | 2015-07-21 | Emerson Climate Technologies, Inc. | Method and apparatus for monitoring a refrigeration-cycle system |
US9081394B2 (en) | 2004-08-11 | 2015-07-14 | Emerson Climate Technologies, Inc. | Method and apparatus for monitoring a refrigeration-cycle system |
US9046900B2 (en) | 2004-08-11 | 2015-06-02 | Emerson Climate Technologies, Inc. | Method and apparatus for monitoring refrigeration-cycle systems |
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US20080209925A1 (en) * | 2006-07-19 | 2008-09-04 | Pham Hung M | Protection and diagnostic module for a refrigeration system |
US9823632B2 (en) | 2006-09-07 | 2017-11-21 | Emerson Climate Technologies, Inc. | Compressor data module |
US20100077779A1 (en) * | 2006-12-16 | 2010-04-01 | Star Refrigeration Limited | Air-source heat pump |
US9310094B2 (en) | 2007-07-30 | 2016-04-12 | Emerson Climate Technologies, Inc. | Portable method and apparatus for monitoring refrigerant-cycle systems |
US10352602B2 (en) | 2007-07-30 | 2019-07-16 | Emerson Climate Technologies, Inc. | Portable method and apparatus for monitoring refrigerant-cycle systems |
US20090071175A1 (en) * | 2007-09-19 | 2009-03-19 | Emerson Climate Technologies, Inc. | Refrigeration monitoring system and method |
US9651286B2 (en) | 2007-09-19 | 2017-05-16 | Emerson Climate Technologies, Inc. | Refrigeration monitoring system and method |
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US9194894B2 (en) | 2007-11-02 | 2015-11-24 | Emerson Climate Technologies, Inc. | Compressor sensor module |
US9140728B2 (en) | 2007-11-02 | 2015-09-22 | Emerson Climate Technologies, Inc. | Compressor sensor module |
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US8335657B2 (en) | 2007-11-02 | 2012-12-18 | Emerson Climate Technologies, Inc. | Compressor sensor module |
US8160827B2 (en) | 2007-11-02 | 2012-04-17 | Emerson Climate Technologies, Inc. | Compressor sensor module |
US20110112814A1 (en) * | 2009-11-11 | 2011-05-12 | Emerson Retail Services, Inc. | Refrigerant leak detection system and method |
US11585588B2 (en) | 2009-11-23 | 2023-02-21 | John S. Chen | System and method for energy-saving inductive heating of evaporators and other heat-exchangers |
US8931296B2 (en) * | 2009-11-23 | 2015-01-13 | John S. Chen | System and method for energy-saving inductive heating of evaporators and other heat-exchangers |
US20110132588A1 (en) * | 2009-11-23 | 2011-06-09 | Icecode, Llc | System and Method for Energy-Saving Inductive Heating of Evaporators and Other Heat-Exchangers |
US8733120B2 (en) * | 2009-11-30 | 2014-05-27 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
US20120291472A1 (en) * | 2009-11-30 | 2012-11-22 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
US9285802B2 (en) | 2011-02-28 | 2016-03-15 | Emerson Electric Co. | Residential solutions HVAC monitoring and diagnosis |
US10884403B2 (en) | 2011-02-28 | 2021-01-05 | Emerson Electric Co. | Remote HVAC monitoring and diagnosis |
US10234854B2 (en) | 2011-02-28 | 2019-03-19 | Emerson Electric Co. | Remote HVAC monitoring and diagnosis |
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US8964338B2 (en) | 2012-01-11 | 2015-02-24 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
US9876346B2 (en) | 2012-01-11 | 2018-01-23 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
US9590413B2 (en) | 2012-01-11 | 2017-03-07 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
US9534818B2 (en) | 2012-01-17 | 2017-01-03 | Si2 Industries, Llc | Heat pump system with auxiliary heat exchanger |
US9480177B2 (en) | 2012-07-27 | 2016-10-25 | Emerson Climate Technologies, Inc. | Compressor protection module |
US10028399B2 (en) | 2012-07-27 | 2018-07-17 | Emerson Climate Technologies, Inc. | Compressor protection module |
US10485128B2 (en) | 2012-07-27 | 2019-11-19 | Emerson Climate Technologies, Inc. | Compressor protection module |
US9762168B2 (en) | 2012-09-25 | 2017-09-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
US9310439B2 (en) | 2012-09-25 | 2016-04-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
US10274945B2 (en) | 2013-03-15 | 2019-04-30 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
US10488090B2 (en) | 2013-03-15 | 2019-11-26 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification |
US10775084B2 (en) | 2013-03-15 | 2020-09-15 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification |
US9638436B2 (en) | 2013-03-15 | 2017-05-02 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
US10443863B2 (en) | 2013-04-05 | 2019-10-15 | Emerson Climate Technologies, Inc. | Method of monitoring charge condition of heat pump system |
US10060636B2 (en) | 2013-04-05 | 2018-08-28 | Emerson Climate Technologies, Inc. | Heat pump system with refrigerant charge diagnostics |
US9765979B2 (en) | 2013-04-05 | 2017-09-19 | Emerson Climate Technologies, Inc. | Heat-pump system with refrigerant charge diagnostics |
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Also Published As
Publication number | Publication date |
---|---|
US3918268A (en) | 1975-11-11 |
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Owner name: SNYDER GENERAL CORPORATION, A CORP OF TX Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HALSTEAD INDUSTRIES, INC.;REEL/FRAME:004272/0317 Effective date: 19840503 |
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Owner name: PNC BANK, NATIONAL ASSOICATIONS, AS AGENT, NEW JER Free format text: SECURITY AGREEMENT;ASSIGNOR:AAF-MCQUAY, INC.;REEL/FRAME:012841/0412 Effective date: 19990930 |