AU455400B2 - Two-stage refrigeration system having crankcase pressure regulation in high stage compressor - Google Patents

Two-stage refrigeration system having crankcase pressure regulation in high stage compressor

Info

Publication number
AU455400B2
AU455400B2 AU46722/72A AU4672272A AU455400B2 AU 455400 B2 AU455400 B2 AU 455400B2 AU 46722/72 A AU46722/72 A AU 46722/72A AU 4672272 A AU4672272 A AU 4672272A AU 455400 B2 AU455400 B2 AU 455400B2
Authority
AU
Australia
Prior art keywords
refrigeration system
pressure regulation
stage
crankcase pressure
stage compressor
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
Application number
AU46722/72A
Other versions
AU4672272A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pi) Voter Manufacturing Corporate
Original Assignee
Pi) Voter Manufacturing Corporate
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 Pi) Voter Manufacturing Corporate filed Critical Pi) Voter Manufacturing Corporate
Publication of AU4672272A publication Critical patent/AU4672272A/en
Application granted granted Critical
Publication of AU455400B2 publication Critical patent/AU455400B2/en
Expired legal-status Critical Current

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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
AU46722/72A 1971-10-08 1972-09-15 Two-stage refrigeration system having crankcase pressure regulation in high stage compressor Expired AU455400B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18780071A 1971-10-08 1971-10-08

Publications (2)

Publication Number Publication Date
AU4672272A AU4672272A (en) 1974-03-21
AU455400B2 true AU455400B2 (en) 1974-11-21

Family

ID=22690521

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46722/72A Expired AU455400B2 (en) 1971-10-08 1972-09-15 Two-stage refrigeration system having crankcase pressure regulation in high stage compressor

Country Status (5)

Country Link
US (1) US3719057A (en)
JP (1) JPS5434169B2 (en)
AU (1) AU455400B2 (en)
FR (1) FR2156140B1 (en)
IT (1) IT965492B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951475A (en) * 1979-07-31 1990-08-28 Altech Controls Corp. Method and apparatus for controlling capacity of a multiple-stage cooling system
JPS57131883A (en) * 1981-02-06 1982-08-14 Mitsubishi Electric Corp Parallel compression type refrigerator
AT378600B (en) * 1983-05-24 1985-08-26 Wein Gedeon HEAT RECOVERY DEVICE FOR A COMPRESSOR COOLING SYSTEM
US4551989A (en) * 1984-11-30 1985-11-12 Gulf & Western Manufacturing Company Oil equalization system for refrigeration compressors
BR8502912A (en) * 1985-06-14 1985-10-08 Narcizo Osorio Basseggio CARTER CAMERA
BR8905970A (en) * 1989-11-16 1991-05-21 Narcizo Osorio Basseggio MISCIBLE FLUID COMPRESSION SYSTEM AND PROCESS
US5522233A (en) * 1994-12-21 1996-06-04 Carrier Corporation Makeup oil system for first stage oil separation in booster system
US5586450A (en) 1995-09-25 1996-12-24 Carrier Corporation Plural compressor oil level control
US5927088A (en) * 1996-02-27 1999-07-27 Shaw; David N. Boosted air source heat pump
US5839886A (en) * 1996-05-10 1998-11-24 Shaw; David N. Series connected primary and booster compressors
US6276148B1 (en) 2000-02-16 2001-08-21 David N. Shaw Boosted air source heat pump
JP4219198B2 (en) * 2003-03-26 2009-02-04 三洋電機株式会社 Refrigerant cycle equipment
US6931871B2 (en) * 2003-08-27 2005-08-23 Shaw Engineering Associates, Llc Boosted air source heat pump
US20060073026A1 (en) * 2004-10-06 2006-04-06 Shaw David N Oil balance system and method for compressors connected in series
JP4640142B2 (en) * 2005-11-30 2011-03-02 ダイキン工業株式会社 Refrigeration equipment
US20080173034A1 (en) * 2007-01-19 2008-07-24 Hallowell International, Llc Heat pump apparatus and method
CN101878403B (en) * 2007-11-30 2013-03-20 大金工业株式会社 Freezing apparatus
JP5003439B2 (en) * 2007-11-30 2012-08-15 ダイキン工業株式会社 Refrigeration equipment
JP5029326B2 (en) * 2007-11-30 2012-09-19 ダイキン工業株式会社 Refrigeration equipment
JP2009133585A (en) * 2007-11-30 2009-06-18 Daikin Ind Ltd Refrigerating device
JP5003440B2 (en) * 2007-11-30 2012-08-15 ダイキン工業株式会社 Refrigeration equipment
US8966916B2 (en) * 2011-03-10 2015-03-03 Streamline Automation, Llc Extended range heat pump
EP2990739B1 (en) * 2014-08-29 2017-09-13 BI Freezer Srl Process for the external force-feed lubrication of refrigerating compressors
US10782053B1 (en) 2018-05-09 2020-09-22 Otg, Llc Single stage, single phase, low pressure refrigeration system
US11604018B1 (en) 2018-05-09 2023-03-14 Otg, Llc Low pressure refrigeration system
CN112752934B (en) * 2018-09-28 2022-03-01 大金工业株式会社 Multi-stage compression system
US11300328B2 (en) * 2018-12-19 2022-04-12 Emerson Climate Technologies, Inc. Oil control for climate-control system
CN113669965A (en) 2020-04-30 2021-11-19 特灵空调系统(中国)有限公司 System and method for OCR control in parallel compressors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646212A (en) * 1950-11-30 1953-07-21 Edward P Kellie Oil level equalizing device for multiple compressor arrangement
US2606430A (en) * 1951-08-24 1952-08-12 Freezing Equipment Sales Inc Automatic lubrication means for plural stage compressors
US3494137A (en) * 1968-06-12 1970-02-10 George K Cargo Fluid-operated pump and refrigerant system containing the same
US3500962A (en) * 1969-05-01 1970-03-17 Vilter Manufacturing Corp Lubrication system for compressors
US3543880A (en) * 1969-07-07 1970-12-01 Vilter Manufacturing Corp Two stage refrigeration compressor having automatic oil drain for the first stage suction chamber

Also Published As

Publication number Publication date
AU4672272A (en) 1974-03-21
FR2156140B1 (en) 1976-01-30
IT965492B (en) 1974-01-31
US3719057A (en) 1973-03-06
JPS5434169B2 (en) 1979-10-25
FR2156140A1 (en) 1973-05-25
JPS4845913A (en) 1973-06-30

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