EP2662569A4 - Screw compressor having slide valve with flexible volume ratio - Google Patents

Screw compressor having slide valve with flexible volume ratio

Info

Publication number
EP2662569A4
EP2662569A4 EP11844007.2A EP11844007A EP2662569A4 EP 2662569 A4 EP2662569 A4 EP 2662569A4 EP 11844007 A EP11844007 A EP 11844007A EP 2662569 A4 EP2662569 A4 EP 2662569A4
Authority
EP
European Patent Office
Prior art keywords
volume ratio
slide valve
screw compressor
flexible volume
flexible
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.)
Withdrawn
Application number
EP11844007.2A
Other languages
German (de)
French (fr)
Other versions
EP2662569A1 (en
Inventor
Yan Tang
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.)
Shanghai Power Technology Screw Machinery Co Ltd
Original Assignee
Shanghai Power Technology 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 Technology Screw Machinery Co Ltd filed Critical Shanghai Power Technology Screw Machinery Co Ltd
Publication of EP2662569A1 publication Critical patent/EP2662569A1/en
Publication of EP2662569A4 publication Critical patent/EP2662569A4/en
Withdrawn legal-status Critical Current

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)
EP11844007.2A 2011-01-05 2011-05-16 Screw compressor having slide valve with flexible volume ratio Withdrawn EP2662569A4 (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 (2)

Publication Number Publication Date
EP2662569A1 EP2662569A1 (en) 2013-11-13
EP2662569A4 true EP2662569A4 (en) 2016-07-13

Family

ID=43908668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11844007.2A Withdrawn EP2662569A4 (en) 2011-01-05 2011-05-16 Screw compressor having slide valve with flexible volume ratio

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 (14)

* 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
DK3084222T3 (en) * 2013-12-19 2019-04-08 Carrier Corp COMPRESSOR WITH 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
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
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
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
WO2021142085A1 (en) 2020-01-07 2021-07-15 Johnson Controls Technology Company Volume ratio control system for a compressor
WO2021142087A1 (en) 2020-01-07 2021-07-15 Johnson Controls Technology Company Volume ratio control system for a compressor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678406A (en) * 1986-04-25 1987-07-07 Frick Company Variable volume ratio screw compressor with step control
EP0488043A1 (en) * 1990-11-30 1992-06-03 Carrier Corporation Capacity volume ratio control for twin screw compressors

Family Cites Families (14)

* 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
JPH02221634A (en) * 1989-02-23 1990-09-04 Mazda Motor Corp Control means for engine equipped with super charger
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
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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678406A (en) * 1986-04-25 1987-07-07 Frick Company Variable volume ratio screw compressor with step control
EP0488043A1 (en) * 1990-11-30 1992-06-03 Carrier Corporation Capacity volume ratio control for twin screw compressors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012092739A1 *

Also Published As

Publication number Publication date
EP2662569A1 (en) 2013-11-13
CN102042226B (en) 2014-12-31
CN102042226A (en) 2011-05-04
US20130272911A1 (en) 2013-10-17
IN2012DN04926A (en) 2015-09-25
WO2012092739A1 (en) 2012-07-12

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Legal Events

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Effective date: 20120605

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DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160610

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 28/12 20060101ALI20160606BHEP

Ipc: F04C 18/16 20060101AFI20160606BHEP

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Effective date: 20190618

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Effective date: 20191029