JPS56501097A - - Google Patents
Info
- Publication number
- JPS56501097A JPS56501097A JP50180680A JP50180680A JPS56501097A JP S56501097 A JPS56501097 A JP S56501097A JP 50180680 A JP50180680 A JP 50180680A JP 50180680 A JP50180680 A JP 50180680A JP S56501097 A JPS56501097 A JP S56501097A
- Authority
- JP
- Japan
- Prior art keywords
- cut
- pressure
- cooling stage
- stage
- pressures
- 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.)
- Pending
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
- 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
- F25B49/027—Condenser 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
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
- G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
-
- 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
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6252579A | 1979-07-31 | 1979-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56501097A true JPS56501097A (ja) | 1981-08-06 |
Family
ID=22043052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50180680A Pending JPS56501097A (ja) | 1979-07-31 | 1980-07-31 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0034591B1 (ja) |
JP (1) | JPS56501097A (ja) |
AT (1) | ATE11338T1 (ja) |
AU (1) | AU543220B2 (ja) |
CA (1) | CA1158745A (ja) |
DE (1) | DE3069971D1 (ja) |
WO (1) | WO1981000446A1 (ja) |
ZA (1) | ZA804656B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1168497B (it) * | 1981-07-13 | 1987-05-20 | Necchi Spa | Gruppo motocompressore condensatore per cicli frigoriferi |
FR2521272B1 (fr) * | 1982-02-09 | 1985-12-13 | Bonnet Ets | Programmateur de commande pour centrale frigorifique multicompresseurs |
JPS58145519A (ja) * | 1982-02-20 | 1983-08-30 | Sanden Corp | 車輛用冷房装置の制御装置 |
US4580071A (en) * | 1983-07-28 | 1986-04-01 | Mitsubishi Denki Kabushiki Kaisha | Generator cooling apparatus |
US4633672A (en) * | 1985-02-19 | 1987-01-06 | Margaux Controls, Inc. | Unequal compressor refrigeration control system |
EP0253928A1 (en) * | 1986-07-22 | 1988-01-27 | Margaux Controls Inc. | Compressor refrigeration control system |
IL85537A0 (en) * | 1987-02-25 | 1988-08-31 | Prestcold Ltd | Refrigeration systems |
FR2617581B1 (fr) * | 1987-06-30 | 1989-09-29 | Henriot Jean Luc | Installation frigorifique pour un appareil de surgelation et de conservation de produits alimentaires |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2782350A (en) * | 1953-08-06 | 1957-02-19 | Whirlpool Seeger Corp | Electrical circuit for multiple motor system |
US3513662A (en) * | 1968-11-12 | 1970-05-26 | Armour & Co | Feedback control system for sequencing motors |
US3744932A (en) * | 1971-04-30 | 1973-07-10 | Prevett Ass Inc | Automatic sequence control system for pump motors and the like |
US3717300A (en) * | 1971-10-14 | 1973-02-20 | Athena Controls | Temperature control apparatus with a cyclical distributor |
FR2165138A5 (ja) * | 1971-12-20 | 1973-08-03 | Laks Maurice | |
US4003370A (en) * | 1975-10-14 | 1977-01-18 | American Hospital Supply Corporation | Blood pressure monitor system and method |
GB1553217A (en) * | 1976-08-31 | 1979-09-26 | Isovel Ltd | Refrigerating apparatus |
-
1980
- 1980-07-29 CA CA000357253A patent/CA1158745A/en not_active Expired
- 1980-07-31 AT AT80901475T patent/ATE11338T1/de not_active IP Right Cessation
- 1980-07-31 DE DE8080901475T patent/DE3069971D1/de not_active Expired
- 1980-07-31 ZA ZA00804656A patent/ZA804656B/xx unknown
- 1980-07-31 JP JP50180680A patent/JPS56501097A/ja active Pending
- 1980-07-31 AU AU61294/80A patent/AU543220B2/en not_active Ceased
- 1980-07-31 WO PCT/US1980/000971 patent/WO1981000446A1/en active IP Right Grant
-
1981
- 1981-02-24 EP EP80901475A patent/EP0034591B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATE11338T1 (de) | 1985-02-15 |
EP0034591A1 (en) | 1981-09-02 |
CA1158745A (en) | 1983-12-13 |
AU6129480A (en) | 1981-03-03 |
DE3069971D1 (en) | 1985-02-28 |
EP0034591A4 (en) | 1982-01-26 |
WO1981000446A1 (en) | 1981-02-19 |
AU543220B2 (en) | 1985-04-04 |
EP0034591B1 (en) | 1985-01-16 |
ZA804656B (en) | 1982-02-24 |
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