BE750443A - Dispositif de decompression pour compresseurs de refrigeration polycylindriques - Google Patents

Dispositif de decompression pour compresseurs de refrigeration polycylindriques

Info

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
Application number
Other languages
English (en)
French (fr)
Inventor
L W Cheney
Original Assignee
Copeland Refrigeration Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Copeland Refrigeration Corp filed Critical Copeland Refrigeration Corp
Publication of BE750443A publication Critical patent/BE750443A/xx

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)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
BE750443D 1969-05-14 1970-05-14 Dispositif de decompression pour compresseurs de refrigeration polycylindriques BE750443A (fr)

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 (xx)
BE (1) BE750443A (xx)
DE (1) DE2021942B2 (xx)
ES (1) ES378734A1 (xx)
FR (1) FR2047769A5 (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
BRPI1007407A2 (pt) * 2009-01-27 2016-02-16 Emerson Climate Technologies sistema e método de descarregamento para um compressor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3578883A (en) 1971-05-18
DE2021942B2 (de) 1975-07-03
ES378734A1 (es) 1972-06-16
DE2021942A1 (de) 1970-11-26
FR2047769A5 (xx) 1971-03-12

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