BE750443A - Dispositif de decompression pour compresseurs de refrigeration polycylindriques - Google Patents
Dispositif de decompression pour compresseurs de refrigeration polycylindriquesInfo
- Publication number
- BE750443A BE750443A BE750443DA BE750443A BE 750443 A BE750443 A BE 750443A BE 750443D A BE750443D A BE 750443DA BE 750443 A BE750443 A BE 750443A
- Authority
- BE
- Belgium
- Prior art keywords
- polycylindrical
- decompression device
- refrigeration compressors
- compressors
- refrigeration
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
-
- 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
-
- 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
- F25B2400/074—Details of compressors or related parts with multiple cylinders
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82462769A | 1969-05-14 | 1969-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE750443A true BE750443A (fr) | 1970-10-16 |
Family
ID=25241890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE750443D BE750443A (fr) | 1969-05-14 | 1970-05-14 | Dispositif de decompression pour compresseurs de refrigeration polycylindriques |
Country Status (5)
Country | Link |
---|---|
US (1) | US3578883A (fr) |
BE (1) | BE750443A (fr) |
DE (1) | DE2021942B2 (fr) |
ES (1) | ES378734A1 (fr) |
FR (1) | FR2047769A5 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790672A (fr) * | 1971-10-29 | 1973-04-27 | Copeland Corp | Compresseur a chambres rotatives |
DE2508941C2 (de) * | 1975-03-01 | 1982-08-26 | Vsevolod Sergeevič Šerbakov | Vorrichtung zum Entlasten der Zylinder eines Hubkolbenverdichters |
US4432705A (en) * | 1978-09-20 | 1984-02-21 | Carrier Corporation | Refrigeration compressor capacity control means and method |
ZA794377B (en) * | 1978-09-20 | 1980-11-26 | Carrier Corp | Refrigeration compressor capacity control means and method |
US4326839A (en) * | 1979-12-06 | 1982-04-27 | Tecumseh Products Company | Cylinder unloading mechanism for refrigeration compressor |
US4353682A (en) * | 1980-09-22 | 1982-10-12 | The Trane Company | Reciprocating gas compressor having suction shut-off unloading means |
US4382749A (en) * | 1980-11-14 | 1983-05-10 | The Trane Company | Reciprocating compressor with integral unloader valve |
US4557342A (en) * | 1983-05-20 | 1985-12-10 | Trw Inc. | Hydraulic apparatus |
US4563134A (en) * | 1985-06-24 | 1986-01-07 | General Motors Corporation | Cylinder head with pressure regulator valve |
JPH07293446A (ja) * | 1994-04-28 | 1995-11-07 | Zexel Corp | エアコンプレッサ |
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 |
US6575710B2 (en) * | 2001-07-26 | 2003-06-10 | Copeland Corporation | Compressor with blocked suction capacity modulation |
US7270145B2 (en) * | 2002-08-30 | 2007-09-18 | Haldex Brake Corporation | unloading/venting valve having integrated therewith a high-pressure protection valve |
US8157538B2 (en) | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
AU2011218763B2 (en) * | 2007-07-23 | 2012-05-03 | Emerson Climate Technologies, Inc. | Capacity Modulation System For Compressor And Method |
EP2391826B1 (fr) * | 2009-01-27 | 2017-03-15 | Emerson Climate Technologies, Inc. | Système bipasse de démarrage et procédé pour un compresseur |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1806925A (en) * | 1931-05-26 | Xwilliam m mgpber | ||
US2160860A (en) * | 1936-02-20 | 1939-06-06 | Schramm Inc | Compressor |
US2256565A (en) * | 1939-09-30 | 1941-09-23 | American Brake Shoe & Foundry | Unloading device |
US2961148A (en) * | 1956-02-28 | 1960-11-22 | Westinghouse Electric Corp | Compressor cylinder unloaders |
US3119550A (en) * | 1961-02-09 | 1964-01-28 | Carrier Corp | Compressor capacity control |
US3303988A (en) * | 1964-01-08 | 1967-02-14 | Chrysler Corp | Compressor capacity control |
US3406897A (en) * | 1966-07-18 | 1968-10-22 | Leybold Holding Ag | Mechanical vacuum pump |
-
1969
- 1969-05-14 US US824627A patent/US3578883A/en not_active Expired - Lifetime
-
1970
- 1970-04-17 ES ES378734A patent/ES378734A1/es not_active Expired
- 1970-05-05 DE DE2021942A patent/DE2021942B2/de not_active Withdrawn
- 1970-05-14 BE BE750443D patent/BE750443A/fr unknown
- 1970-05-14 FR FR7017617A patent/FR2047769A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES378734A1 (es) | 1972-06-16 |
DE2021942A1 (de) | 1970-11-26 |
DE2021942B2 (de) | 1975-07-03 |
US3578883A (en) | 1971-05-18 |
FR2047769A5 (fr) | 1971-03-12 |
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