EP1996875A4 - Heat pump with pulse width modulation control - Google Patents
Heat pump with pulse width modulation controlInfo
- Publication number
- EP1996875A4 EP1996875A4 EP05854510A EP05854510A EP1996875A4 EP 1996875 A4 EP1996875 A4 EP 1996875A4 EP 05854510 A EP05854510 A EP 05854510A EP 05854510 A EP05854510 A EP 05854510A EP 1996875 A4 EP1996875 A4 EP 1996875A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- pulse width
- heat pump
- width modulation
- modulation control
- control
- 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.)
- Withdrawn
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
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
-
- 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
- F25B2400/13—Economisers
-
- 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
- F25B2400/23—Separators
-
- 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
- F25B2600/02—Compressor control
- F25B2600/026—Compressor control by controlling unloaders
- F25B2600/0261—Compressor control by controlling unloaders external to the compressor
-
- 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
- F25B2600/25—Control of valves
- F25B2600/2521—On-off valves controlled by pulse signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2005/045810 WO2007070060A1 (en) | 2005-12-16 | 2005-12-16 | Heat pump with pulse width modulation control |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1996875A1 EP1996875A1 (en) | 2008-12-03 |
EP1996875A4 true EP1996875A4 (en) | 2011-01-19 |
Family
ID=38163235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05854510A Withdrawn EP1996875A4 (en) | 2005-12-16 | 2005-12-16 | Heat pump with pulse width modulation control |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080209930A1 (en) |
EP (1) | EP1996875A4 (en) |
CN (1) | CN101341367A (en) |
WO (1) | WO2007070060A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007106116A1 (en) * | 2006-03-10 | 2007-09-20 | Carrier Corporation | Refrigerant system with control to address flooded compressor operation |
US20110079032A1 (en) * | 2008-07-09 | 2011-04-07 | Taras Michael F | Heat pump with microchannel heat exchangers as both outdoor and reheat exchangers |
CN103717985B (en) | 2009-12-18 | 2016-08-03 | 开利公司 | Transport refrigeration system and for transport refrigeration system with solve dynamic condition method |
US20120031111A1 (en) * | 2010-08-03 | 2012-02-09 | Whirlpool Corporation | Direct contact turbo-chill chamber using secondary coolant |
US20120031112A1 (en) * | 2010-08-03 | 2012-02-09 | Whirlpool Corporation | Turbo-chill chamber with air-flow booster |
EP2977691B1 (en) * | 2013-09-30 | 2021-09-08 | Guangdong Meizhi Compressor Co., Ltd. | Cooling system and heating system |
US10119738B2 (en) * | 2014-09-26 | 2018-11-06 | Waterfurnace International Inc. | Air conditioning system with vapor injection compressor |
US10126032B2 (en) | 2015-12-10 | 2018-11-13 | TestEquity LLC | System for cooling and methods for cooling and for controlling a cooling system |
US10871314B2 (en) | 2016-07-08 | 2020-12-22 | Climate Master, Inc. | Heat pump and water heater |
US10866002B2 (en) | 2016-11-09 | 2020-12-15 | Climate Master, Inc. | Hybrid heat pump with improved dehumidification |
SE544732C2 (en) * | 2017-05-22 | 2022-10-25 | Swep Int Ab | A reversible refrigeration system |
SE542346C2 (en) | 2017-05-22 | 2020-04-14 | Swep Int Ab | Reversible refrigeration system |
US10935260B2 (en) | 2017-12-12 | 2021-03-02 | Climate Master, Inc. | Heat pump with dehumidification |
CN108679868B (en) * | 2018-05-23 | 2020-10-09 | 广州大学 | Self-operated multifunctional heat pump system and control method thereof |
US11592215B2 (en) | 2018-08-29 | 2023-02-28 | Waterfurnace International, Inc. | Integrated demand water heating using a capacity modulated heat pump with desuperheater |
CA3081986A1 (en) | 2019-07-15 | 2021-01-15 | Climate Master, Inc. | Air conditioning system with capacity control and controlled hot water generation |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4856286A (en) * | 1987-12-02 | 1989-08-15 | American Standard Inc. | Refrigeration compressor driven by a DC motor |
US5247989A (en) * | 1991-11-15 | 1993-09-28 | Lab-Line Instruments, Inc. | Modulated temperature control for environmental chamber |
US5303562A (en) * | 1993-01-25 | 1994-04-19 | Copeland Corporation | Control system for heat pump/air-conditioning system for improved cyclic performance |
WO2003059664A1 (en) * | 2002-01-18 | 2003-07-24 | Daimlerchrysler Ag | Vehicle with an air-conditioner and a heat source |
US20030213254A1 (en) * | 2002-05-17 | 2003-11-20 | Samsung Electronics Co., Ltd. | Air conditioner and control method thereof |
US20050086970A1 (en) * | 2003-10-24 | 2005-04-28 | Alexander Lifson | Combined expansion device and four-way reversing valve in economized heat pumps |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992001892A1 (en) * | 1990-07-20 | 1992-02-06 | Alberni Thermodynamics Ltd. | Heating and cooling system for air space in a building |
US5174123A (en) * | 1991-08-23 | 1992-12-29 | Thermo King Corporation | Methods and apparatus for operating a refrigeration system |
US6047557A (en) * | 1995-06-07 | 2000-04-11 | Copeland Corporation | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
US6206652B1 (en) * | 1998-08-25 | 2001-03-27 | Copeland Corporation | Compressor capacity modulation |
US6047556A (en) * | 1997-12-08 | 2000-04-11 | Carrier Corporation | Pulsed flow for capacity control |
JPH11230596A (en) * | 1998-02-17 | 1999-08-27 | Hitachi Ltd | Air conditioner with extension indoor unit |
US6428284B1 (en) * | 2000-03-16 | 2002-08-06 | Mobile Climate Control Inc. | Rotary vane compressor with economizer port for capacity control |
US6474087B1 (en) * | 2001-10-03 | 2002-11-05 | Carrier Corporation | Method and apparatus for the control of economizer circuit flow for optimum performance |
US6672090B1 (en) * | 2002-07-15 | 2004-01-06 | Copeland Corporation | Refrigeration control |
US6817205B1 (en) * | 2003-10-24 | 2004-11-16 | Carrier Corporation | Dual reversing valves for economized heat pump |
US7600390B2 (en) * | 2004-10-21 | 2009-10-13 | Tecumseh Products Company | Method and apparatus for control of carbon dioxide gas cooler pressure by use of a two-stage compressor |
-
2005
- 2005-12-16 US US12/088,879 patent/US20080209930A1/en not_active Abandoned
- 2005-12-16 EP EP05854510A patent/EP1996875A4/en not_active Withdrawn
- 2005-12-16 WO PCT/US2005/045810 patent/WO2007070060A1/en active Application Filing
- 2005-12-16 CN CNA2005800523179A patent/CN101341367A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4856286A (en) * | 1987-12-02 | 1989-08-15 | American Standard Inc. | Refrigeration compressor driven by a DC motor |
US5247989A (en) * | 1991-11-15 | 1993-09-28 | Lab-Line Instruments, Inc. | Modulated temperature control for environmental chamber |
US5303562A (en) * | 1993-01-25 | 1994-04-19 | Copeland Corporation | Control system for heat pump/air-conditioning system for improved cyclic performance |
WO2003059664A1 (en) * | 2002-01-18 | 2003-07-24 | Daimlerchrysler Ag | Vehicle with an air-conditioner and a heat source |
US20030213254A1 (en) * | 2002-05-17 | 2003-11-20 | Samsung Electronics Co., Ltd. | Air conditioner and control method thereof |
US20050086970A1 (en) * | 2003-10-24 | 2005-04-28 | Alexander Lifson | Combined expansion device and four-way reversing valve in economized heat pumps |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007070060A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1996875A1 (en) | 2008-12-03 |
WO2007070060A1 (en) | 2007-06-21 |
CN101341367A (en) | 2009-01-07 |
US20080209930A1 (en) | 2008-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080714 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20101221 |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20120706 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20140701 |