EG13085A - Defrost control for heat pumps - Google Patents
Defrost control for heat pumpsInfo
- Publication number
- EG13085A EG13085A EG51/78A EG5178A EG13085A EG 13085 A EG13085 A EG 13085A EG 51/78 A EG51/78 A EG 51/78A EG 5178 A EG5178 A EG 5178A EG 13085 A EG13085 A EG 13085A
- Authority
- EG
- Egypt
- Prior art keywords
- heat pumps
- defrost control
- defrost
- control
- pumps
- Prior art date
Links
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
- F25D21/02—Detecting the presence 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/006—Defroster control with electronic control circuits
-
- 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
- F25B2600/00—Control issues
- F25B2600/23—Time delays
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/764,321 US4104888A (en) | 1977-01-31 | 1977-01-31 | Defrost control for heat pumps |
Publications (1)
Publication Number | Publication Date |
---|---|
EG13085A true EG13085A (en) | 1980-07-31 |
Family
ID=25070368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG51/78A EG13085A (en) | 1977-01-31 | 1978-01-28 | Defrost control for heat pumps |
Country Status (17)
Country | Link |
---|---|
US (1) | US4104888A (es) |
JP (1) | JPS609221B2 (es) |
AR (1) | AR224229A1 (es) |
AU (1) | AU509718B2 (es) |
BR (1) | BR7800555A (es) |
EG (1) | EG13085A (es) |
ES (2) | ES466475A1 (es) |
FR (1) | FR2379037A1 (es) |
GB (1) | GB1595741A (es) |
GR (1) | GR66406B (es) |
IN (1) | IN149162B (es) |
IT (1) | IT1092018B (es) |
NZ (1) | NZ186181A (es) |
SU (1) | SU1179948A3 (es) |
TR (1) | TR20249A (es) |
YU (1) | YU39506B (es) |
ZA (1) | ZA777429B (es) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4280332A (en) * | 1979-07-30 | 1981-07-28 | Intertherm Inc. | Defrost control monitoring fan motor temperature rise |
US4307775A (en) * | 1979-11-19 | 1981-12-29 | The Trane Company | Current monitoring control for electrically powered devices |
US4316365A (en) * | 1980-10-20 | 1982-02-23 | Honeywell Inc. | Defrost control system for refrigeration system |
JPS608431B2 (ja) * | 1981-03-03 | 1985-03-02 | 三菱電機株式会社 | 着霜検出器 |
FR2538518B1 (fr) * | 1982-12-22 | 1986-04-04 | Elf Aquitaine | Procede et dispositif de surveillance et de commande d'un evaporateur |
US4474024A (en) * | 1983-01-20 | 1984-10-02 | Carrier Corporation | Defrost control apparatus and method |
US4494382A (en) * | 1983-10-11 | 1985-01-22 | Carrier Corporation | Method and apparatus for controlling when to initiate an increase in compressor capacity |
US4538420A (en) * | 1983-12-27 | 1985-09-03 | Honeywell Inc. | Defrost control system for a refrigeration heat pump apparatus |
US4573326A (en) * | 1985-02-04 | 1986-03-04 | American Standard Inc. | Adaptive defrost control for heat pump system |
US4729089A (en) * | 1985-02-11 | 1988-03-01 | Carrier Corporation | Transient suppression for microprocessor controls for a heat pump air conditioning system |
US4653285A (en) * | 1985-09-20 | 1987-03-31 | General Electric Company | Self-calibrating control methods and systems for refrigeration systems |
US4724678A (en) * | 1985-09-20 | 1988-02-16 | General Electric Company | Self-calibrating control methods and systems for refrigeration systems |
FR2595806A1 (fr) * | 1986-03-12 | 1987-09-18 | Total Energie Dev | Procede et dispositif pour la detection de givre sur un echangeur de chaleur |
US4745629A (en) * | 1986-09-26 | 1988-05-17 | United Technologies Corporation | Duty cycle timer |
JPH0672732B2 (ja) * | 1987-03-11 | 1994-09-14 | 株式会社東芝 | フアンク−ル式冷蔵庫 |
GB2262364A (en) * | 1991-12-12 | 1993-06-16 | So Fine | Refrigerated units for the display of goods |
US5319943A (en) * | 1993-01-25 | 1994-06-14 | Copeland Corporation | Frost/defrost control system for heat pump |
EP0644386B1 (en) * | 1993-09-22 | 1998-02-25 | Whirlpool Europe B.V. | Method for dynamically controlling frost formation on a refrigerator evaporator and refrigerator in which such method is implemented |
US5415005A (en) * | 1993-12-09 | 1995-05-16 | Long Island Lighting Company | Defrost control device and method |
US5440893A (en) * | 1994-02-28 | 1995-08-15 | Maytag Corporation | Adaptive defrost control system |
US6606870B2 (en) | 2001-01-05 | 2003-08-19 | General Electric Company | Deterministic refrigerator defrost method and apparatus |
TW522209B (en) * | 2001-06-29 | 2003-03-01 | Sanyo Electric Co | Defrosting operation method for air conditioner and air conditioner using the same |
US7290989B2 (en) | 2003-12-30 | 2007-11-06 | Emerson Climate Technologies, Inc. | Compressor protection and diagnostic system |
US7412842B2 (en) | 2004-04-27 | 2008-08-19 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system |
US7275377B2 (en) | 2004-08-11 | 2007-10-02 | Lawrence Kates | Method and apparatus for monitoring refrigerant-cycle systems |
US8590325B2 (en) | 2006-07-19 | 2013-11-26 | Emerson Climate Technologies, Inc. | Protection and diagnostic module for a refrigeration system |
US20080216494A1 (en) | 2006-09-07 | 2008-09-11 | Pham Hung M | Compressor data module |
US20090037142A1 (en) | 2007-07-30 | 2009-02-05 | Lawrence Kates | Portable method and apparatus for monitoring refrigerant-cycle systems |
US8393169B2 (en) * | 2007-09-19 | 2013-03-12 | Emerson Climate Technologies, Inc. | Refrigeration monitoring system and method |
US9140728B2 (en) | 2007-11-02 | 2015-09-22 | 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 |
DK2545331T3 (da) | 2010-03-08 | 2017-11-27 | Carrier Corp | Afrimning og anordning til et transportkølesystem |
CA2828740C (en) | 2011-02-28 | 2016-07-05 | Emerson Electric Co. | Residential solutions hvac monitoring and diagnosis |
US8964338B2 (en) | 2012-01-11 | 2015-02-24 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
US9480177B2 (en) | 2012-07-27 | 2016-10-25 | Emerson Climate Technologies, Inc. | Compressor protection module |
US9310439B2 (en) | 2012-09-25 | 2016-04-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
US9803902B2 (en) | 2013-03-15 | 2017-10-31 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification using two condenser coil temperatures |
US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
WO2014144446A1 (en) | 2013-03-15 | 2014-09-18 | Emerson Electric Co. | Hvac system remote monitoring and diagnosis |
EP2981772B1 (en) | 2013-04-05 | 2022-01-12 | Emerson Climate Technologies, Inc. | Heat-pump system with refrigerant charge diagnostics |
CN104728989B (zh) * | 2013-12-18 | 2017-07-28 | 珠海格力电器股份有限公司 | 空调器除霜控制方法及执行该除霜控制方法的空调器 |
US10408486B2 (en) * | 2016-10-24 | 2019-09-10 | Scientific Environmental Design, Inc. | Self-modulating HVAC system |
EP3376142B1 (en) | 2017-03-16 | 2019-09-25 | Vestel Elektronik Sanayi ve Ticaret A.S. | Refrigerator with advanced no-frost operation |
US11221173B2 (en) * | 2019-11-13 | 2022-01-11 | Lineage Logistics, LLC | Controlled defrost for chilled environments |
CN112923517A (zh) * | 2021-03-24 | 2021-06-08 | 广东积微科技有限公司 | 空调器除霜控制方法及空调器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3474638A (en) * | 1968-03-25 | 1969-10-28 | Gen Electric | Electronic refrigeration system defrost control |
US3777505A (en) * | 1971-07-21 | 1973-12-11 | Mitsubishi Heavy Ind Ltd | Defrosting method and apparatus |
-
1977
- 1977-01-31 US US05/764,321 patent/US4104888A/en not_active Expired - Lifetime
- 1977-12-13 ZA ZA00777429A patent/ZA777429B/xx unknown
-
1978
- 1978-01-06 IN IN12/DEL/78A patent/IN149162B/en unknown
- 1978-01-10 NZ NZ186181A patent/NZ186181A/xx unknown
- 1978-01-13 GB GB1383/78A patent/GB1595741A/en not_active Expired
- 1978-01-13 GR GR55158A patent/GR66406B/el unknown
- 1978-01-23 IT IT19529/78A patent/IT1092018B/it active
- 1978-01-26 AU AU32761/78A patent/AU509718B2/en not_active Expired
- 1978-01-27 JP JP53008211A patent/JPS609221B2/ja not_active Expired
- 1978-01-27 FR FR7802320A patent/FR2379037A1/fr active Granted
- 1978-01-28 EG EG51/78A patent/EG13085A/xx active
- 1978-01-30 SU SU782572449A patent/SU1179948A3/ru active
- 1978-01-30 YU YU195/78A patent/YU39506B/xx unknown
- 1978-01-30 BR BR7800555A patent/BR7800555A/pt unknown
- 1978-01-30 AR AR270902A patent/AR224229A1/es active
- 1978-01-30 ES ES466475A patent/ES466475A1/es not_active Expired
- 1978-05-11 ES ES469744A patent/ES469744A1/es not_active Expired
- 1978-08-20 TR TR20249A patent/TR20249A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA777429B (en) | 1978-10-25 |
ES469744A1 (es) | 1979-01-01 |
YU39506B (en) | 1984-12-31 |
FR2379037A1 (fr) | 1978-08-25 |
US4104888A (en) | 1978-08-08 |
IT7819529A0 (it) | 1978-01-23 |
BR7800555A (pt) | 1978-09-12 |
GB1595741A (en) | 1981-08-19 |
YU19578A (en) | 1982-06-30 |
NZ186181A (en) | 1981-02-11 |
TR20249A (tr) | 1980-12-02 |
AR224229A1 (es) | 1981-11-13 |
JPS5396548A (en) | 1978-08-23 |
FR2379037B1 (es) | 1983-07-29 |
ES466475A1 (es) | 1978-10-16 |
GR66406B (es) | 1981-03-20 |
IN149162B (es) | 1981-09-26 |
AU3276178A (en) | 1979-08-02 |
IT1092018B (it) | 1985-07-06 |
SU1179948A3 (ru) | 1985-09-15 |
JPS609221B2 (ja) | 1985-03-08 |
AU509718B2 (en) | 1980-05-22 |
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