JPH0481095B2 - - Google Patents
Info
- Publication number
- JPH0481095B2 JPH0481095B2 JP59161480A JP16148084A JPH0481095B2 JP H0481095 B2 JPH0481095 B2 JP H0481095B2 JP 59161480 A JP59161480 A JP 59161480A JP 16148084 A JP16148084 A JP 16148084A JP H0481095 B2 JPH0481095 B2 JP H0481095B2
- Authority
- JP
- Japan
- Prior art keywords
- compressor
- capacity
- pressure
- pressure sensor
- state
- 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
- 230000008859 change Effects 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 4
- 238000011946 reduction process Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 47
- 239000003507 refrigerant Substances 0.000 description 41
- 239000004020 conductor Substances 0.000 description 39
- 238000010438 heat treatment Methods 0.000 description 22
- 239000007788 liquid Substances 0.000 description 22
- 230000007423 decrease Effects 0.000 description 8
- 230000006837 decompression Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
-
- 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
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/540,268 US4487031A (en) | 1983-10-11 | 1983-10-11 | Method and apparatus for controlling compressor capacity |
| US540268 | 1995-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6082756A JPS6082756A (ja) | 1985-05-10 |
| JPH0481095B2 true JPH0481095B2 (en]) | 1992-12-22 |
Family
ID=24154719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59161480A Granted JPS6082756A (ja) | 1983-10-11 | 1984-07-31 | 圧縮機のキャパシティの変更方法及び圧縮機のキャパシティを変更する手段を含む熱ポンプ回路 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4487031A (en]) |
| JP (1) | JPS6082756A (en]) |
| FR (1) | FR2556457B1 (en]) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5392612A (en) * | 1984-08-08 | 1995-02-28 | Richard H. Alsenz | Refrigeration system having a self adjusting control range |
| US5402652A (en) * | 1984-08-08 | 1995-04-04 | Alsenz; Richard H. | Apparatus for monitoring solenoid expansion valve flow rates |
| JPS61134545A (ja) * | 1984-12-01 | 1986-06-21 | 株式会社東芝 | 冷凍サイクル装置 |
| US4620423A (en) * | 1985-09-25 | 1986-11-04 | Carrier Corporation | Expansion devices for a multizone heat pump system |
| US4771610A (en) * | 1986-06-06 | 1988-09-20 | Mitsubishi Denki Kabushiki Kaisha | Multiroom air conditioner |
| JPS6334459A (ja) * | 1986-07-29 | 1988-02-15 | 株式会社東芝 | 空気調和機 |
| MY104902A (en) * | 1988-04-25 | 1994-06-30 | Matsushita Electric Ind Co Ltd | Air conditioning system. |
| JP2000161796A (ja) | 1998-11-24 | 2000-06-16 | Toyota Autom Loom Works Ltd | 空調装置 |
| US6360553B1 (en) | 2000-03-31 | 2002-03-26 | Computer Process Controls, Inc. | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators |
| US6343482B1 (en) * | 2000-10-31 | 2002-02-05 | Takeshi Endo | Heat pump type conditioner and exterior unit |
| US6560978B2 (en) | 2000-12-29 | 2003-05-13 | Thermo King Corporation | Transport temperature control system having an increased heating capacity and a method of providing the same |
| US6487869B1 (en) | 2001-11-06 | 2002-12-03 | Themo King Corporation | Compressor capacity control system |
| WO2006108056A1 (en) * | 2005-04-05 | 2006-10-12 | The Product Group, Llc | Intelligent controller for refrigerating and air conditioning systems |
| US20080264080A1 (en) * | 2007-04-24 | 2008-10-30 | Hunter Manufacturing Co. | Environmental control unit for harsh conditions |
| US8109102B2 (en) * | 2007-05-09 | 2012-02-07 | Carrier Corporation | Adjustment of compressor operating limits |
| US7581515B2 (en) * | 2007-06-29 | 2009-09-01 | Hamilton Sundstrand Corporation | Control scheme for an evaporator operating at conditions approaching thermodynamic limits |
| WO2014017161A1 (ja) * | 2012-07-23 | 2014-01-30 | 三菱電機株式会社 | 冷凍空調装置、冷媒漏洩検知装置及び冷媒漏洩検知方法 |
| US10830501B2 (en) | 2018-04-25 | 2020-11-10 | Johnson Controls Technology Company | Systems for detecting and positioning of reversing valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3513662A (en) * | 1968-11-12 | 1970-05-26 | Armour & Co | Feedback control system for sequencing motors |
| US3499297A (en) * | 1969-02-20 | 1970-03-10 | John D Ruff | Variable capacity refrigeration system |
| US3691785A (en) * | 1970-05-15 | 1972-09-19 | John D Ruff | Small centrifugal heat pump |
| US3668883A (en) * | 1970-06-12 | 1972-06-13 | John D Ruff | Centrifugal heat pump with overload protection |
| US4346755A (en) * | 1980-05-21 | 1982-08-31 | General Electric Company | Two stage control circuit for reversible air cycle heat pump |
| JPS5771776U (en]) * | 1980-10-20 | 1982-05-01 | ||
| US4384462A (en) * | 1980-11-20 | 1983-05-24 | Friedrich Air Conditioning & Refrigeration Co. | Multiple compressor refrigeration system and controller thereof |
-
1983
- 1983-10-11 US US06/540,268 patent/US4487031A/en not_active Expired - Fee Related
-
1984
- 1984-07-31 JP JP59161480A patent/JPS6082756A/ja active Granted
- 1984-10-08 FR FR8415388A patent/FR2556457B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2556457B1 (fr) | 1990-12-21 |
| FR2556457A1 (fr) | 1985-06-14 |
| US4487031A (en) | 1984-12-11 |
| JPS6082756A (ja) | 1985-05-10 |
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