EP2047103A4 - Screw compressor capacity control - Google Patents

Screw compressor capacity control

Info

Publication number
EP2047103A4
EP2047103A4 EP07799872A EP07799872A EP2047103A4 EP 2047103 A4 EP2047103 A4 EP 2047103A4 EP 07799872 A EP07799872 A EP 07799872A EP 07799872 A EP07799872 A EP 07799872A EP 2047103 A4 EP2047103 A4 EP 2047103A4
Authority
EP
European Patent Office
Prior art keywords
screw compressor
capacity control
compressor capacity
screw
control
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Withdrawn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
EP07799872A
Other languages
German (de)
French (fr)
Other versions
EP2047103A1 (en
Inventor
Alexander Lifson
Steven J Holden
Bruce A Fraser
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.)
Carrier Corp
Original Assignee
Carrier 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 Carrier Corp filed Critical Carrier Corp
Publication of EP2047103A1 publication Critical patent/EP2047103A1/en
Publication of EP2047103A4 publication Critical patent/EP2047103A4/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Withdrawn legal-status Critical Current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
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid
    • F04C27/006—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear pumps
    • 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
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • F04C28/265—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels being obtained by displacing a lateral sealing face

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP07799872A 2006-07-27 2007-07-27 Screw compressor capacity control Withdrawn EP2047103A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82051106P 2006-07-27 2006-07-27
PCT/US2007/074548 WO2008014433A1 (en) 2006-07-27 2007-07-27 Screw compressor capacity control

Publications (2)

Publication Number Publication Date
EP2047103A1 EP2047103A1 (en) 2009-04-15
EP2047103A4 true EP2047103A4 (en) 2012-06-27

Family

ID=38981804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07799872A Withdrawn EP2047103A4 (en) 2006-07-27 2007-07-27 Screw compressor capacity control

Country Status (6)

Country Link
US (1) US20090311119A1 (en)
EP (1) EP2047103A4 (en)
CN (1) CN101600884B (en)
AU (1) AU2007279212B2 (en)
BR (1) BRPI0715186A2 (en)
WO (1) WO2008014433A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010108236A1 (en) * 2009-03-27 2010-09-30 Sprintex Australasia Pty Ltd A compressor
US10941770B2 (en) 2010-07-20 2021-03-09 Trane International Inc. Variable capacity screw compressor and method
BE1020311A3 (en) 2012-02-28 2013-07-02 Atlas Copco Airpower Nv SCREW COMPRESSOR.
US11015602B2 (en) 2012-02-28 2021-05-25 Atlas Copco Airpower, Naamloze Vennootschap Screw compressor
BE1020312A3 (en) 2012-02-28 2013-07-02 Atlas Copco Airpower Nv COMPRESSOR DEVICE, AS WELL AS USE OF SUCH SET-UP.
EP3084217B1 (en) * 2013-12-18 2020-08-12 Carrier Corporation Method of improving compressor bearing reliability
WO2016099746A1 (en) * 2014-12-17 2016-06-23 Carrier Corporation Screw compressor with oil shutoff and method
KR102408579B1 (en) 2016-06-27 2022-06-14 존슨 컨트롤스 테크놀러지 컴퍼니 Capacity control for refrigeration units with screw compressors
CN109026162B (en) * 2018-07-16 2019-08-16 朱三立 A kind of screw expansion (compression) machine with variable volume ratio
WO2021022352A1 (en) * 2019-08-02 2021-02-11 Rt Hamilton And Associates Limited Cooled dry vacuum screw pump
CN121429611A (en) * 2024-07-29 2026-01-30 开利公司 Screw compressor and its slide valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119392A (en) * 1975-11-27 1978-10-10 Demag Ag Screw compressor with axially displaceable motor
WO1987003651A1 (en) * 1985-12-10 1987-06-18 Svenska Rotor Maskiner Ab Intermittent service screw compressor
JPH02301691A (en) * 1989-05-16 1990-12-13 Sumitomo Heavy Ind Ltd Discharge port shape controlling mechanism for mechanical drive type lysholm supercharger
US6003324A (en) * 1997-07-11 1999-12-21 Shaw; David N. Multi-rotor helical screw compressor with unloading

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249866A (en) 1978-03-01 1981-02-10 Dunham-Bush, Inc. Control system for screw compressor
AU550468B2 (en) * 1980-09-19 1986-03-20 Mitsubishi Jukogyo Kabushiki Kaisha Compressor capability control
US4419865A (en) * 1981-12-31 1983-12-13 Vilter Manufacturing Company Oil cooling apparatus for refrigeration screw compressor
US4515540A (en) * 1983-11-22 1985-05-07 Frick Company Variable liquid refrigerant injection port locator for screw compressor equipped with automatic variable volume ratio
JPS6193294A (en) * 1984-10-12 1986-05-12 Daikin Ind Ltd Screw compressor capacity control device
US5211026A (en) * 1991-08-19 1993-05-18 American Standard Inc. Combination lift piston/axial port unloader arrangement for a screw compresser
US5613841A (en) * 1995-06-07 1997-03-25 Copeland Corporation Capacity modulated scroll machine
US6213731B1 (en) * 1999-09-21 2001-04-10 Copeland Corporation Compressor pulse width modulation
TW501675U (en) * 2000-02-02 2002-09-01 Ind Tech Res Inst Dual spiral rotor mechanism with electrically controlled gap adjustment
US6302668B1 (en) * 2000-08-23 2001-10-16 Fu Sheng Industrial Co., Ltd. Capacity regulating apparatus for compressors
US6739853B1 (en) * 2002-12-05 2004-05-25 Carrier Corporation Compact control mechanism for axial motion control valves in helical screw compressors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119392A (en) * 1975-11-27 1978-10-10 Demag Ag Screw compressor with axially displaceable motor
WO1987003651A1 (en) * 1985-12-10 1987-06-18 Svenska Rotor Maskiner Ab Intermittent service screw compressor
JPH02301691A (en) * 1989-05-16 1990-12-13 Sumitomo Heavy Ind Ltd Discharge port shape controlling mechanism for mechanical drive type lysholm supercharger
US6003324A (en) * 1997-07-11 1999-12-21 Shaw; David N. Multi-rotor helical screw compressor with unloading

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008014433A1 *

Also Published As

Publication number Publication date
WO2008014433A1 (en) 2008-01-31
EP2047103A1 (en) 2009-04-15
CN101600884A (en) 2009-12-09
BRPI0715186A2 (en) 2013-06-11
AU2007279212A1 (en) 2008-01-31
CN101600884B (en) 2013-06-19
US20090311119A1 (en) 2009-12-17
AU2007279212B2 (en) 2012-02-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20090126

AK Designated contracting states

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

A4 Supplementary search report drawn up and despatched

Effective date: 20120529

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 28/00 20060101ALI20120522BHEP

Ipc: F04C 28/26 20060101ALI20120522BHEP

Ipc: F04C 27/00 20060101ALI20120522BHEP

Ipc: F04C 18/16 20060101AFI20120522BHEP

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20160202