IN2012DN04926A - - Google Patents

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Publication number
IN2012DN04926A
IN2012DN04926A IN4926DEN2012A IN2012DN04926A IN 2012DN04926 A IN2012DN04926 A IN 2012DN04926A IN 4926DEN2012 A IN4926DEN2012 A IN 4926DEN2012A IN 2012DN04926 A IN2012DN04926 A IN 2012DN04926A
Authority
IN
India
Application number
Inventor
Tang Yan
Original Assignee
Shanghai Power Tech Screw Machinery Co Ltd
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 Shanghai Power Tech Screw Machinery Co Ltd filed Critical Shanghai Power Tech Screw Machinery Co Ltd
Publication of IN2012DN04926A publication Critical patent/IN2012DN04926A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
IN4926DEN2012 2011-01-05 2012-06-05 IN2012DN04926A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110001197.7A CN102042226B (en) 2011-01-05 2011-01-05 Screw compressor having slide valve with flexible volume ratio
PCT/CN2011/074074 WO2012092739A1 (en) 2011-01-05 2011-05-16 Screw compressor having slide valve with flexible volume ratio

Publications (1)

Publication Number Publication Date
IN2012DN04926A true IN2012DN04926A (en) 2015-09-25

Family

ID=43908668

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4926DEN2012 IN2012DN04926A (en) 2011-01-05 2012-06-05

Country Status (5)

Country Link
US (1) US20130272911A1 (en)
EP (1) EP2662569A4 (en)
CN (1) CN102042226B (en)
IN (1) IN2012DN04926A (en)
WO (1) WO2012092739A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102042226B (en) * 2011-01-05 2014-12-31 上海维尔泰克螺杆机械有限公司 Screw compressor having slide valve with flexible volume ratio
DE102011051730A1 (en) * 2011-07-11 2013-01-17 Bitzer Kühlmaschinenbau Gmbh screw compressors
US10954943B2 (en) 2013-12-19 2021-03-23 Carrier Corporation Compressor comprising a variable volume index valve
CN105422445A (en) * 2015-12-21 2016-03-23 珠海格力电器股份有限公司 Machine body, screw compressor and household appliance
CN105715548A (en) * 2016-04-01 2016-06-29 浙江开山凯文螺杆机械有限公司 Two-grade screw rod compressor with flexible slide valve
CN105673498A (en) * 2016-04-01 2016-06-15 浙江开山凯文螺杆机械有限公司 Screw compressor with normally-open intake valve, and start method thereof
CN105805009B (en) * 2016-04-15 2018-07-13 珠海格力电器股份有限公司 Compressor and heat transmission equipment
CN106801619A (en) * 2017-03-03 2017-06-06 上海维尔泰克螺杆机械有限公司 The adjustable screw expander of volumetric ratio
CN107387409B (en) * 2017-09-04 2023-07-21 珠海格力电器股份有限公司 Variable frequency screw compressor and air conditioner
CN110410328A (en) * 2019-08-21 2019-11-05 珠海格力电器股份有限公司 Compressor and air-conditioning system with automatic adjustment spool position
CN110566461A (en) * 2019-09-11 2019-12-13 珠海格力电器股份有限公司 two-stage compressor, control method of two-stage compressor and air conditioning unit
CN110925199B (en) * 2019-11-08 2020-11-06 珠海格力电器股份有限公司 Screw compressor, control method thereof and refrigeration system
EP4088031A1 (en) * 2020-01-07 2022-11-16 Johnson Controls Tyco IP Holdings LLP Volume ratio control system for a compressor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5150010A (en) * 1974-10-26 1976-05-01 Hokuetsu Kogyo Co Ekiryochosei atsushukukitaiyoryochoseisochi
USRE31379E (en) * 1979-06-01 1983-09-13 Dunham-Bush, Inc. Combined pressure matching and capacity control slide valve assembly for helical screw rotary machine
AU550468B2 (en) * 1980-09-19 1986-03-20 Mitsubishi Jukogyo Kabushiki Kaisha Compressor capability control
US4678406A (en) * 1986-04-25 1987-07-07 Frick Company Variable volume ratio screw compressor with step control
JPH02221634A (en) * 1989-02-23 1990-09-04 Mazda Motor Corp Control means for engine equipped with super charger
US5044894A (en) * 1990-11-30 1991-09-03 Carrier Corporation Capacity volume ratio control for twin screw compressors
US5979168A (en) * 1997-07-15 1999-11-09 American Standard Inc. Single-source gas actuation for screw compressor slide valve assembly
CN2578564Y (en) * 2002-07-22 2003-10-08 上海日立电器有限公司 Duplex two-stage compressing oscillating piston compressor
WO2004051089A1 (en) * 2002-12-03 2004-06-17 Bitzer Kühlmaschinenbau Gmbh Screw compressor
US6739853B1 (en) * 2002-12-05 2004-05-25 Carrier Corporation Compact control mechanism for axial motion control valves in helical screw compressors
JP2005194926A (en) * 2004-01-06 2005-07-21 Kobe Steel Ltd Method for operating screw compressor
JP4110123B2 (en) * 2004-07-12 2008-07-02 株式会社神戸製鋼所 Screw compressor
CN100359167C (en) * 2004-11-15 2008-01-02 西安交通大学 Free piston type expansion-compression unit
CN100436826C (en) * 2007-02-07 2008-11-26 烟台冰轮股份有限公司 Screw bolt compressor suitable for parallel system and having low loading start up function
CN102042226B (en) * 2011-01-05 2014-12-31 上海维尔泰克螺杆机械有限公司 Screw compressor having slide valve with flexible volume ratio
CN201943955U (en) * 2011-01-05 2011-08-24 上海维尔泰克螺杆机械有限公司 Screw compressor with flexible volume-ratio slide valve

Also Published As

Publication number Publication date
US20130272911A1 (en) 2013-10-17
CN102042226B (en) 2014-12-31
EP2662569A4 (en) 2016-07-13
EP2662569A1 (en) 2013-11-13
CN102042226A (en) 2011-05-04
WO2012092739A1 (en) 2012-07-12

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