IT1009936B - FREEZING PROTECTION DEVICE IN A HEAT PUMP SYSTEM - Google Patents
FREEZING PROTECTION DEVICE IN A HEAT PUMP SYSTEMInfo
- Publication number
- IT1009936B IT1009936B IT21635/74A IT2163574A IT1009936B IT 1009936 B IT1009936 B IT 1009936B IT 21635/74 A IT21635/74 A IT 21635/74A IT 2163574 A IT2163574 A IT 2163574A IT 1009936 B IT1009936 B IT 1009936B
- Authority
- IT
- Italy
- Prior art keywords
- heat pump
- protection device
- pump system
- freezing protection
- freezing
- Prior art date
Links
- 230000008014 freezing Effects 0.000 title 1
- 238000007710 freezing Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
-
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
-
- 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
- F25B2400/06—Several compression cycles arranged in parallel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00388421A US3823572A (en) | 1973-08-15 | 1973-08-15 | Freeze protection device in heat pump system |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1009936B true IT1009936B (en) | 1976-12-20 |
Family
ID=23534065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21635/74A IT1009936B (en) | 1973-08-15 | 1974-04-18 | FREEZING PROTECTION DEVICE IN A HEAT PUMP SYSTEM |
Country Status (8)
Country | Link |
---|---|
US (1) | US3823572A (en) |
BR (1) | BR7404660A (en) |
CA (1) | CA994562A (en) |
DE (1) | DE2415324A1 (en) |
ES (1) | ES425332A1 (en) |
FR (1) | FR2241048B1 (en) |
GB (1) | GB1464626A (en) |
IT (1) | IT1009936B (en) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4054035A (en) * | 1976-08-16 | 1977-10-18 | American Air Filter Company, Inc. | Ventilation air tempering device |
FR2363061A1 (en) * | 1976-08-23 | 1978-03-24 | Petroles Cie Francaise | METHOD OF STORING A FLUID BY MEANS OF A TANK LIMITING ENTHALPY DEGRADATION |
US4122893A (en) * | 1977-03-07 | 1978-10-31 | American Air Filter Company, Inc. | Air conditioning system |
US4202181A (en) * | 1977-03-21 | 1980-05-13 | Lamb Jeffrey W | Fuel conservation controller for heating and refrigeration apparatus |
US4137725A (en) * | 1977-08-29 | 1979-02-06 | Fedders Corporation | Compressor control for a reversible heat pump |
GB2126695A (en) * | 1982-09-01 | 1984-03-28 | Andrews Ind Equipment Limited | Improvements in air conditioning units |
EP0179225B1 (en) * | 1984-09-19 | 1988-10-19 | Kabushiki Kaisha Toshiba | Heat pump system |
US5065593A (en) * | 1990-09-18 | 1991-11-19 | Electric Power Research Institute, Inc. | Method for controlling indoor coil freeze-up of heat pumps and air conditioners |
US6260373B1 (en) * | 2000-02-16 | 2001-07-17 | American Standard International Inc. | Heat exchanger with double vibration isolation |
US6606251B1 (en) * | 2002-02-07 | 2003-08-12 | Cooligy Inc. | Power conditioning module |
US6988534B2 (en) * | 2002-11-01 | 2006-01-24 | Cooligy, Inc. | Method and apparatus for flexible fluid delivery for cooling desired hot spots in a heat producing device |
US6881039B2 (en) * | 2002-09-23 | 2005-04-19 | Cooligy, Inc. | Micro-fabricated electrokinetic pump |
US7086839B2 (en) * | 2002-09-23 | 2006-08-08 | Cooligy, Inc. | Micro-fabricated electrokinetic pump with on-frit electrode |
US6986382B2 (en) * | 2002-11-01 | 2006-01-17 | Cooligy Inc. | Interwoven manifolds for pressure drop reduction in microchannel heat exchangers |
US7806168B2 (en) | 2002-11-01 | 2010-10-05 | Cooligy Inc | Optimal spreader system, device and method for fluid cooled micro-scaled heat exchange |
US7000684B2 (en) * | 2002-11-01 | 2006-02-21 | Cooligy, Inc. | Method and apparatus for efficient vertical fluid delivery for cooling a heat producing device |
US20040112571A1 (en) * | 2002-11-01 | 2004-06-17 | Cooligy, Inc. | Method and apparatus for efficient vertical fluid delivery for cooling a heat producing device |
TWI295726B (en) * | 2002-11-01 | 2008-04-11 | Cooligy Inc | Method and apparatus for achieving temperature uniformity and hot spot cooling in a heat producing device |
US7293423B2 (en) | 2004-06-04 | 2007-11-13 | Cooligy Inc. | Method and apparatus for controlling freezing nucleation and propagation |
US7044196B2 (en) * | 2003-01-31 | 2006-05-16 | Cooligy,Inc | Decoupled spring-loaded mounting apparatus and method of manufacturing thereof |
US7201012B2 (en) * | 2003-01-31 | 2007-04-10 | Cooligy, Inc. | Remedies to prevent cracking in a liquid system |
US7017654B2 (en) * | 2003-03-17 | 2006-03-28 | Cooligy, Inc. | Apparatus and method of forming channels in a heat-exchanging device |
US20040182551A1 (en) * | 2003-03-17 | 2004-09-23 | Cooligy, Inc. | Boiling temperature design in pumped microchannel cooling loops |
US7591302B1 (en) | 2003-07-23 | 2009-09-22 | Cooligy Inc. | Pump and fan control concepts in a cooling system |
US7021369B2 (en) | 2003-07-23 | 2006-04-04 | Cooligy, Inc. | Hermetic closed loop fluid system |
US7616444B2 (en) | 2004-06-04 | 2009-11-10 | Cooligy Inc. | Gimballed attachment for multiple heat exchangers |
US7913719B2 (en) * | 2006-01-30 | 2011-03-29 | Cooligy Inc. | Tape-wrapped multilayer tubing and methods for making the same |
US8157001B2 (en) | 2006-03-30 | 2012-04-17 | Cooligy Inc. | Integrated liquid to air conduction module |
US7715194B2 (en) | 2006-04-11 | 2010-05-11 | Cooligy Inc. | Methodology of cooling multiple heat sources in a personal computer through the use of multiple fluid-based heat exchanging loops coupled via modular bus-type heat exchangers |
US9297571B1 (en) | 2008-03-10 | 2016-03-29 | Liebert Corporation | Device and methodology for the removal of heat from an equipment rack by means of heat exchangers mounted to a door |
US20090225514A1 (en) | 2008-03-10 | 2009-09-10 | Adrian Correa | Device and methodology for the removal of heat from an equipment rack by means of heat exchangers mounted to a door |
DK2310751T3 (en) * | 2008-07-03 | 2017-06-19 | Jeffrey A Weston | HEAT GRADIENT FLUID COLLECTION FOR MULTIPLE HEATING AND COOLING SYSTEM |
WO2010017327A1 (en) | 2008-08-05 | 2010-02-11 | Cooligy Inc. | A microheat exchanger for laser diode cooling |
US8109264B1 (en) * | 2010-05-13 | 2012-02-07 | Murray William M | Hot water solar heating system and method |
KR101216085B1 (en) * | 2010-08-17 | 2012-12-26 | 엘지전자 주식회사 | Heat pump |
JP6064753B2 (en) * | 2013-04-05 | 2017-01-25 | 株式会社デンソー | Thermal management system for vehicles |
CN108895710B (en) * | 2018-08-10 | 2024-01-23 | 青岛艳阳天环保科技有限公司 | Refrigerating and heating system with coupling fuel gas heating function |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2241060A (en) * | 1939-08-24 | 1941-05-06 | Gen Electric | Heat pump system |
US3067587A (en) * | 1960-05-04 | 1962-12-11 | Mcfarlan Alden Irving | Air conditioning system |
US3127929A (en) * | 1961-05-29 | 1964-04-07 | Trane Co | Air conditioning system with one pipe heating and cooling |
US3103794A (en) * | 1962-07-02 | 1963-09-17 | Westinghouse Electric Corp | Defrost controls for heat pumps |
US3523575A (en) * | 1968-06-12 | 1970-08-11 | American Standard Inc | Air-conditioning system having heat storage reservoir |
US3654988A (en) * | 1970-02-24 | 1972-04-11 | American Standard Inc | Freeze protection for outdoor cooler |
-
1973
- 1973-08-15 US US00388421A patent/US3823572A/en not_active Expired - Lifetime
-
1974
- 1974-03-20 CA CA195,548A patent/CA994562A/en not_active Expired
- 1974-03-29 DE DE2415324A patent/DE2415324A1/en active Pending
- 1974-04-11 FR FR7412755A patent/FR2241048B1/fr not_active Expired
- 1974-04-16 ES ES425332A patent/ES425332A1/en not_active Expired
- 1974-04-18 IT IT21635/74A patent/IT1009936B/en active
- 1974-06-06 BR BR4660/74A patent/BR7404660A/en unknown
- 1974-07-01 GB GB2917774A patent/GB1464626A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2241048B1 (en) | 1977-10-14 |
GB1464626A (en) | 1977-02-16 |
ES425332A1 (en) | 1976-05-16 |
DE2415324A1 (en) | 1975-02-27 |
BR7404660A (en) | 1976-02-10 |
US3823572A (en) | 1974-07-16 |
FR2241048A1 (en) | 1975-03-14 |
CA994562A (en) | 1976-08-10 |
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