FR2108039A1 - - Google Patents
Info
- Publication number
- FR2108039A1 FR2108039A1 FR7134910A FR7134910A FR2108039A1 FR 2108039 A1 FR2108039 A1 FR 2108039A1 FR 7134910 A FR7134910 A FR 7134910A FR 7134910 A FR7134910 A FR 7134910A FR 2108039 A1 FR2108039 A1 FR 2108039A1
- Authority
- FR
- France
- 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.)
- Granted
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
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0269—Surge control by changing flow path between different stages or between a plurality of compressors; load distribution between compressors
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7591470A | 1970-09-28 | 1970-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2108039A1 true FR2108039A1 (en) | 1972-05-12 |
FR2108039B1 FR2108039B1 (en) | 1977-01-21 |
Family
ID=22128726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7134910A Expired FR2108039B1 (en) | 1970-09-28 | 1971-09-28 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3648479A (en) |
AU (1) | AU465521B2 (en) |
CA (1) | CA923212A (en) |
DE (1) | DE2147394C2 (en) |
ES (1) | ES395343A1 (en) |
FR (1) | FR2108039B1 (en) |
GB (1) | GB1328628A (en) |
IT (1) | IT938839B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0132487A2 (en) * | 1983-08-01 | 1985-02-13 | MAN Gutehoffnungshütte Aktiengesellschaft | Process for controlling at least two turbo compressors mounted in parallel |
FR2553184A1 (en) * | 1983-10-11 | 1985-04-12 | Carrier Corp | METHOD AND APPARATUS FOR CONTROLLING THE TIME WHEN A CAPACITY OF A COMPRESSOR MUST BE INCREASED |
DE3937152A1 (en) * | 1989-11-08 | 1991-05-16 | Gutehoffnungshuette Man | METHOD FOR OPTIMIZING OPERATION OF TWO OR SEVERAL COMPRESSORS IN PARALLEL OR SERIES |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205537A (en) * | 1978-12-11 | 1980-06-03 | General Electric Company | Multiple hermetic-motor compressor in common shell |
JPS58193055A (en) * | 1982-05-04 | 1983-11-10 | 株式会社東芝 | Heat pump type air conditioner |
GB2159980B (en) * | 1982-09-10 | 1987-10-07 | Frick Co | Micro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor current |
US4494006A (en) * | 1982-09-15 | 1985-01-15 | Compressor Controls Corporation | Method and apparatus for controlling a multicompressor station |
US4614090A (en) * | 1985-01-31 | 1986-09-30 | Yanmar Diesel Engine Co. Ltd. | Outdoor unit of an air conditioner of an engine heat pump type |
JPH055545A (en) * | 1991-04-26 | 1993-01-14 | Toshiba Corp | Electrical current control device of air conditioning system |
US5195329A (en) * | 1991-11-12 | 1993-03-23 | Carrier Corporation | Automatic chiller plant balancing |
US5894739A (en) * | 1997-07-10 | 1999-04-20 | York International Corporation | Compound refrigeration system for water chilling and thermal storage |
US6602057B2 (en) | 2001-10-01 | 2003-08-05 | Dresser-Rand Company | Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable |
KR100437054B1 (en) * | 2002-05-27 | 2004-06-23 | 엘지전자 주식회사 | Over load protecting device for heat pump and method for the same |
CN100429407C (en) * | 2002-08-06 | 2008-10-29 | 约克国际公司 | Stability control system and method for centrifugal compressors operating in parallel |
US8567207B2 (en) * | 2007-10-31 | 2013-10-29 | Johnson Controls & Technology Company | Compressor control system using a variable geometry diffuser |
EP3156747B1 (en) * | 2014-06-10 | 2019-08-14 | Toshiba Carrier Corporation | Heat source machine and heat source device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2336671A (en) * | 1933-11-29 | 1943-12-14 | Gen Motors Corp | Refrigerating apparatus |
US2178100A (en) * | 1937-05-13 | 1939-10-31 | Curtis Refrigerating Machine C | Refrigerating condensing unit |
DE972394C (en) * | 1954-01-09 | 1959-07-16 | Siemens Ag | Device for torque control of double drives, especially for double drives of rolling stands |
DE1117710B (en) * | 1954-05-24 | 1961-11-23 | Siemens Ag | Load balancing control of multi-motor drives with shunt motors |
US3350897A (en) * | 1966-01-11 | 1967-11-07 | Westinghouse Electric Corp | Controls for centrifugal compressors having spin vanes in their inlets |
US3362185A (en) * | 1966-06-20 | 1968-01-09 | Westinghouse Electric Corp | Refrigeration systems with centrifugal compressors and air cooled condensers |
US3609989A (en) * | 1970-04-15 | 1971-10-05 | Westinghouse Electric Corp | Control for refrigeration system centrifugal compressor |
-
1970
- 1970-09-28 US US75914A patent/US3648479A/en not_active Expired - Lifetime
-
1971
- 1971-08-27 CA CA121515A patent/CA923212A/en not_active Expired
- 1971-08-31 GB GB4047771A patent/GB1328628A/en not_active Expired
- 1971-08-31 AU AU32893/71A patent/AU465521B2/en not_active Expired
- 1971-09-22 DE DE2147394A patent/DE2147394C2/en not_active Expired
- 1971-09-23 ES ES395343A patent/ES395343A1/en not_active Expired
- 1971-09-27 IT IT29145/71A patent/IT938839B/en active
- 1971-09-28 FR FR7134910A patent/FR2108039B1/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0132487A2 (en) * | 1983-08-01 | 1985-02-13 | MAN Gutehoffnungshütte Aktiengesellschaft | Process for controlling at least two turbo compressors mounted in parallel |
EP0132487A3 (en) * | 1983-08-01 | 1986-04-09 | M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft | Process for controlling at least two turbo compressors mounted in parallel |
FR2553184A1 (en) * | 1983-10-11 | 1985-04-12 | Carrier Corp | METHOD AND APPARATUS FOR CONTROLLING THE TIME WHEN A CAPACITY OF A COMPRESSOR MUST BE INCREASED |
DE3937152A1 (en) * | 1989-11-08 | 1991-05-16 | Gutehoffnungshuette Man | METHOD FOR OPTIMIZING OPERATION OF TWO OR SEVERAL COMPRESSORS IN PARALLEL OR SERIES |
EP0431287A1 (en) * | 1989-11-08 | 1991-06-12 | MAN Gutehoffnungshütte Aktiengesellschaft | Process for optimised operation of two or more compressors in parallel or series operation |
Also Published As
Publication number | Publication date |
---|---|
ES395343A1 (en) | 1974-12-16 |
DE2147394C2 (en) | 1984-04-05 |
DE2147394A1 (en) | 1972-03-30 |
US3648479A (en) | 1972-03-14 |
GB1328628A (en) | 1973-08-30 |
IT938839B (en) | 1973-02-10 |
AU3289371A (en) | 1973-03-08 |
FR2108039B1 (en) | 1977-01-21 |
AU465521B2 (en) | 1975-10-02 |
CA923212A (en) | 1973-03-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CD | Change of name or company name | ||
ST | Notification of lapse |