WO2010017536A4 - Heat pump system - Google Patents
Heat pump system Download PDFInfo
- Publication number
- WO2010017536A4 WO2010017536A4 PCT/US2009/053236 US2009053236W WO2010017536A4 WO 2010017536 A4 WO2010017536 A4 WO 2010017536A4 US 2009053236 W US2009053236 W US 2009053236W WO 2010017536 A4 WO2010017536 A4 WO 2010017536A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- chamber
- refrigerant
- temperature
- tube
- 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.)
- Ceased
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
- 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
-
- 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
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
- F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
In a conventional heat pump system which has a space heat exchanger, a motor (717) driven compressor (106), a refrigerant, a suction line (104) for feeding refrigerant to the compressor, and a waste heat exchanger (720) for adding or removing heat from the heat pump system, the improvement uses various devices to optimize a temperature of the refrigerant in the suction line (104), where the refrigerant enters the compressor. The preferred device is a Peltier thermocouple (500), which can be controlled by current, in response to a sensor (502) in the suction line, to heat or cool the suction line to minimize the load of incompressible liquid or high gas pressure on the compressor. An improved auxiliary heat exchanger also can improve efficiency.
Claims
1. In a conventional heat pump system, said heat pump system including a space heat exchanger 708, for heating or cooling a space, a motor 717 driven compressor 106, a refrigerant, a suction line 104 for feeding refrigerant to the compressor, and a waste heat exchanger 720 for adding or removing heat from the heat pump system, an improvement comprising:
means for optimizing a temperature of the refrigerant in the suction line, where said refrigerant enters the compressor.
2. A heat pump system, according to claim 1, in which the means for optimizing a temperature of the refrigerant in the suction line comprises: a Peltier thermocouple 516, malleable, as means for being cooperatively shaped to make close thermoconductive contact with said suction line 104; a temperature sensor 502, sealable within suction line 104, for sensing said refrigerant's temperature; a controller 508 for polarizing and adjusting a current across the Peltier thermocouple
516 to heat or cool the suction tube 104 as needed to achieve an optimum refrigerant temperature at the compressor 106 for minimizing compressor load.
3. A heat pump system, according to claim 2, in which a heat pipe 520 thermally couples to the Peltier thermocouple 516 to a heat sink 524.
4. A heat pump system, according to claim 3, in which a fan 527 moves air across heat sink 524 to add or remove heat.
5. A heat pump system, according to claim 1 , further comprising means for optimizing a
20 temperature of the refrigerant at the expansion valve feed line 522, said expansion valve optimizing means including:
a Peltier thermocouple 516, malleable, as means for being cooperatively shaped to make close thermoconductive contact with said expansion valve feed line 522; a temperature sensor 502, sealable within expansion valve feed line 522, for sensing said refrigerant's temperature; a controller 508 for polarizing and adjusting a current across the Peltier thermocouple
516 to heat or cool the expansion valve feed line 522 as needed to achieve an optimum refrigerant temperature at the compressor 106 for minimizing compressor load.
6. A heat pump system, according to claim 5, in which: a heat pipe 520 thermally couples to the Peltier thermocouple 516 to a heat sink 524.
7. A heat pump system, according to claim 6, in which a fan 527 moves air across heat sink 524 to add or remove heat.
8. A heat pump system, according to claim 1, in which the means for optimizing a temperature of the refrigerant in the suction line comprises: thermostat 400 having a temperature sensor in suction line 104, at the compressor's input; mixing chamber 405 in suction line 104, upstream of the compressor's input; said thermostat 400, having a high temperature limit switch for closing a circuit 401 to open solenoid valve 404, admitting cold gas to mixing chamber 405, and thereby cooling the fluid flowing into suction line 104 to an optimum temperature for the Substitute Sheet - Amended under Art. 19 refrigerant to minimize compressor load; and
said thermostat 400, having a low temperature limit switch for closing a circuit 408 to open solenoid valve 409, admitting hot gas from output line 108 to mixing chamber 405, and thereby heating the fluid in suction line 104 to the optimum temperature for refrigerant to minimize compressor load.
9. A heat pump system, according to claim 1, further comprising heat exchanger 102, for transferring heat: from a first temperature refrigerant, from a second temperature refrigerant,
said heat exchanger 102 in which:
the first temperature refrigerant, flows: through an inlet 200,
through a sealed large-diameter tube 207 which tube 207 runs through chamber 210, and as the the first temperature refrigerant passes through the tube 207 some heat transfers between chamber 210 and the tube 207,
through the sealed large-diameter tube 207 which tube runs through chamber middle chamber 214, and as the the first temperature refrigerant passes through 207 some heat transfers between chamber 214 and the large diameter tubes 207,
through the sealed large-diameter tube 207 which tube runs through chamber output chamber 230, and as the first temperature refrigerant passes through 207 some heat transfers between output chamber 214 and the large diameter
22 tube 207,
said large diameter tube 207 bends 180 degrees and returns to carry the first temperature refrigerant back through middle chamber 214, and as the first temperature refrigerant passes through 207 some heat transfers between chamber 214 and the large diameter tube 207,
said large-diameter tube 207 extends into chamber 210, and opens to dump first temperature refrigerant into chamber 210,
said first temperature refrigerant then flows through a second tube 220 from chamber 210, through middle chamber 214, into output chamber 230;
a second temperature refrigerant enters and passes through middle chamber 214 and exchanges heat with the large diameter tube and the second tube 220 as they pass through middle chamber 214;
the first temperature refrigerant leaves via an output chamber output 256, and the second temperature refrigerant leaves via a middle chamber output 216, both the first temperature refrigerant, and the second temperature refrigerant having exchanged heat to render their temperatures less different than upon their entry into the heat exchanger.
10. A heat pump system, according to claim 9, in which there is a plurality 207-208 of the large diameter tube 207; and there is a plurality 220-222 of the second tube 220.
11. A heat pump system, according to claim 10, in which the plurality 207-208 of the large diameter tube 207 includes at least sixteen tubes; and the second tube 220, is of a smaller diameter, and the plurality is about twice the number of the large diameter tube.
23
12. In a conventional heat pump system, said heat pump system including a space heat exchanger 708, for heating or cooling a space, a motor 717 driven compressor 106, a refrigerant, a suction line 104 for feeding refrigerant to the compressor, and a waste heat exchanger 720 for adding or removing heat from the heat pump system, an improvement comprising: heat exchanger 102, for transferring heat: from a first temperature refrigerant, from a second temperature refrigerant,
said heat exchanger 102 in which:
the first temperature refrigerant, flows: through an inlet 200,
through a sealed large-diameter tube 207 which tube 207 runs through chamber 210, and as the the first temperature refrigerant passes through the tube 207 some heat transfers between chamber 210 and the tube 207,
through the sealed large-diameter tube 207 which tube runs through chamber middle chamber 214, and as the the first temperature refrigerant passes through 207 some heat transfers between chamber 214 and the large diameter tubes 207,
through the sealed large-diameter tube 207 which tube runs through chamber output chamber 230, and as the first temperature refrigerant passes through 207 some heat transfers between output chamber 214 and the large diameter tube 207,
said large diameter tube 207 bends 180 degrees and returns to carry the first
24 temperature refrigerant back through middle chamber 214, and as the first temperature refrigerant passes through 207 some heat transfers between chamber 214 and the large diameter tube 207,
said large-diameter tube 207 extends into chamber 210, and opens to dump first temperature refrigerant into chamber 210,
said first temperature refrigerant then flows through a second tube 220 from chamber 210, through middle chamber 214, into output chamber 230;
a second temperature refrigerant enters and passes through middle chamber 214 and exchanges heat with the large diameter tube and the second tube 220 as they pass through middle chamber 214;
the first temperature refrigerant leaves via an output chamber output 256, and the second temperature refrigerant leaves via a middle chamber output 216, both the first temperature refrigerant, and the second temperature refrigerant having exchanged heat to render their temperatures less different than upon their entry into the heat exchanger.
13. A heat pump system, according to claim 12, in which there is a plurality 207-208 of the large diameter tube 207; and there is a plurality 220-222 of the second tube 220.
14. A heat pump system, according to claim 13, in which there the plurality 207-208 of the large diameter tube 207 includes at least 16 tubes; and the second tube 220, is of a smaller diameter, and the plurality is about twice the number of the large diameter tube.
15. In a conventional heat pump system, said heat pump system including a space heat exchanger 708, for heating or cooling a space, a motor 717 driven compressor 106, a
25 refrigerant, a suction line 104 for feeding refrigerant to the compressor, and a waste heat exchanger 720 for adding or removing heat from the heat pump system, an improvement comprising:
means for optimizing a temperature of the refrigerant in the suction line, where said refrigerant enters the compressor;
in which the means for optimizing a temperature of the refrigerant in the suction line comprises: a Peltier thermocouple 516, malleable, as means for being cooperatively shaped to make close thermoconductive contact with said suction line 104; a temperature sensor 502, sealable within suction line 104, for sensing said refrigerant's temperature; a controller 508 for polarizing and adjusting a current across the Peltier thermocouple
516 to heat or cool the suction tube 104 as needed to achieve an optimum refrigerant temperature at the compressor 106 for minimizing compressor load;
a heat pipe 520 thermally couples to the Peltier thermocouple 516 to a heat sink 524;
a fan 527 moves air across heat sink 524 to add or remove heat;
means for optimizing a temperature of the refrigerant at the expansion valve feed line 522, said expansion valve optimizing means including:
a second Peltier thermocouple 516, malleable, as means for being cooperatively shaped to make close thermoconductive contact with said expansion valve feed line
522; a temperature sensor 502, sealable within expansion valve feed line 522, for sensing said refrigerant's temperature;
26 a controller 508 for polarizing and adjusting a current across the second Peltier thermocouple 516 to heat or cool the expansion valve feed line 522 as needed to achieve an optimum refrigerant temperature at the compressor 106 for minimizing compressor load; a heat pipe 520 thermally couples to the second Peltier thermocouple 516 to a second heat sink 524. a second fan 527 moves air across heat sink 524 to add or remove heat;
a heat exchanger 102, for transferring heat: from a first temperature refrigerant, from a second temperature refrigerant,
said heat exchanger 102 in which:
the first temperature refrigerant, flows: through an inlet 200, through a manifold 202, through a between sixteen and twenty distribution holes 205-206, from the holes through a corresponding number of sealed large-diameter tubes 207-208, which tubes run through chamber 210, as the fluid passes through tubes 207-8 some heat transfers between chamber 210 and the large diameter tubes;
through the sealed large-diameter tube 207 which tube runs through middle chamber 214, and as the first temperature refrigerant passes through 207 some heat transfers between chamber 214 and the large diameter tubes 207,
through the sealed large-diameter tubes 207-8 which tubes runs through chamber output chamber 230, and as the first temperature refrigerant passes
27 through 207 some heat transfers between output chamber 214 and the large diameter tube 207,
said large diameter tube 207 bends 180 degrees and returns to carry the first temperature refrigerant back through middle chamber 214, and as the first temperature refrigerant passes through the large diameter tubes, some heat transfers between chamber 214 and the large diameter tubes;
said large-diameter tubes extend into chamber 210, and open to dump first temperature refrigerant into chamber 210;
said first temperature refrigerant then flows through about forty smaller diameter tubes 220-222 from chamber 210, through middle chamber 214, transferring more heat with middle chamber 214;
said first temperature refrigerant then flows into output chamber 230;
a second temperature refrigerant enters and passes through middle chamber 214 and exchanges heat with the large diameter tubes and the forty smaller diameter tubes 220- 222 as they pass through middle chamber 214;
the first temperature refrigerant leaves via an output chamber output 256, and the second temperature refrigerant leaves via a middle chamber output 216, both the first temperature refrigerant, and the second temperature refrigerant having exchanged heat to render their temperatures less different than upon their entry into the heat exchanger;
this improved heat exchanger has about three times the heat transfer efficiency of a similar sized conventional heat exchanger.
28
16. A heat pump system according to claim 1 in which the suction line 104 is partly replaced by exchanger section 122 A which exchanger section 122A comprises:
manifold 304, which splits flow through several copper coils 311- 313, of multiple turns each, 311
where refrigerant flows through coiled tubes and is cooled by fluid in chamber 300, to thereby heat fluid in chamber 300 so that it leaves chamber 300 as mostly vapor, about 97% vapor, to go to compressor 106, said mostly vapor state functioning to relieve strain on compressor 106, which strain would occur from trying to compress incompressible liquid.
29
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/058,178 US20110138829A1 (en) | 2008-08-08 | 2009-08-08 | Heat Pump System |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8746708P | 2008-08-08 | 2008-08-08 | |
| US61/087,467 | 2008-08-08 | ||
| US10331108P | 2008-10-07 | 2008-10-07 | |
| US61/103,311 | 2008-10-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2010017536A2 WO2010017536A2 (en) | 2010-02-11 |
| WO2010017536A3 WO2010017536A3 (en) | 2010-04-01 |
| WO2010017536A4 true WO2010017536A4 (en) | 2010-05-27 |
Family
ID=41664232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2009/053236 Ceased WO2010017536A2 (en) | 2008-08-08 | 2009-08-08 | Heat pump system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20110138829A1 (en) |
| WO (1) | WO2010017536A2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8955346B2 (en) | 2010-11-04 | 2015-02-17 | International Business Machines Corporation | Coolant-buffered, vapor-compression refrigeration apparatus and method with controlled coolant heat load |
| US20120111038A1 (en) | 2010-11-04 | 2012-05-10 | International Business Machines Corporation | Vapor-compression refrigeration apparatus with backup air-cooled heat sink and auxiliary refrigerant heater |
| US8899052B2 (en) | 2010-11-04 | 2014-12-02 | International Business Machines Corporation | Thermoelectric-enhanced, refrigeration cooling of an electronic component |
| US8833096B2 (en) | 2010-11-04 | 2014-09-16 | International Business Machines Corporation | Heat exchange assembly with integrated heater |
| US8783052B2 (en) | 2010-11-04 | 2014-07-22 | International Business Machines Corporation | Coolant-buffered, vapor-compression refrigeration with thermal storage and compressor cycling |
| US8813515B2 (en) | 2010-11-04 | 2014-08-26 | International Business Machines Corporation | Thermoelectric-enhanced, vapor-compression refrigeration apparatus facilitating cooling of an electronic component |
| US9207002B2 (en) | 2011-10-12 | 2015-12-08 | International Business Machines Corporation | Contaminant separator for a vapor-compression refrigeration apparatus |
| WO2014097439A1 (en) * | 2012-12-20 | 2014-06-26 | 三菱電機株式会社 | Air-conditioning device |
| CN103090580B (en) * | 2013-01-31 | 2015-06-10 | 南京瑞柯徕姆环保科技有限公司 | Heat pump type air conditioner device |
| KR101637745B1 (en) * | 2014-11-25 | 2016-07-07 | 현대자동차주식회사 | Radiator having air guide for preventing heat damage in bus |
| KR102382161B1 (en) | 2017-12-27 | 2022-04-01 | 주식회사 엘지에너지솔루션 | Cell balancing circuit using dual serial and parallel paths |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4065938A (en) * | 1976-01-05 | 1978-01-03 | Sun-Econ, Inc. | Air-conditioning apparatus with booster heat exchanger |
| US6321543B1 (en) * | 2000-03-15 | 2001-11-27 | Carrier Corporation | Method for protecting compressors used in chillers and/or heat pumps |
| KR100428064B1 (en) * | 2001-07-04 | 2004-04-28 | 김강영 | Refrigerator/Heat Pump System with Auxiliary Tank for Refrigerant |
-
2009
- 2009-08-08 US US13/058,178 patent/US20110138829A1/en not_active Abandoned
- 2009-08-08 WO PCT/US2009/053236 patent/WO2010017536A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010017536A3 (en) | 2010-04-01 |
| WO2010017536A2 (en) | 2010-02-11 |
| US20110138829A1 (en) | 2011-06-16 |
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