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EP2642125A4 - Twin-screw liquid pump - Google Patents

Twin-screw liquid pump

Info

Publication number
EP2642125A4
EP2642125A4 EP10859796.4A EP10859796A EP2642125A4 EP 2642125 A4 EP2642125 A4 EP 2642125A4 EP 10859796 A EP10859796 A EP 10859796A EP 2642125 A4 EP2642125 A4 EP 2642125A4
Authority
EP
European Patent Office
Prior art keywords
twin
liquid pump
screw liquid
screw
pump
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Withdrawn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
EP10859796.4A
Other languages
German (de)
French (fr)
Other versions
EP2642125A1 (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 EP2642125A1 publication Critical patent/EP2642125A1/en
Publication of EP2642125A4 publication Critical patent/EP2642125A4/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Withdrawn legal-status Critical Current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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/008—Prime movers
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0096—Heating; Cooling
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps 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
    • F04C2/16—Rotary-piston machines or pumps 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP10859796.4A 2010-11-16 2010-11-30 Twin-screw liquid pump Withdrawn EP2642125A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010548653.5A CN101975160B (en) 2010-11-16 2010-11-16 Double-screw liquid pump
PCT/CN2010/079291 WO2012065320A1 (en) 2010-11-16 2010-11-30 Twin-screw liquid pump

Publications (2)

Publication Number Publication Date
EP2642125A1 EP2642125A1 (en) 2013-09-25
EP2642125A4 true EP2642125A4 (en) 2016-11-16

Family

ID=43575066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10859796.4A Withdrawn EP2642125A4 (en) 2010-11-16 2010-11-30 Twin-screw liquid pump

Country Status (4)

Country Link
US (1) US20130236334A1 (en)
EP (1) EP2642125A4 (en)
CN (1) CN101975160B (en)
WO (1) WO2012065320A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5751885B2 (en) * 2011-03-29 2015-07-22 株式会社神戸製鋼所 Power generation system and power generation apparatus
DE102017210770B4 (en) * 2017-06-27 2019-10-17 Continental Automotive Gmbh Screw pump, fuel delivery unit and fuel delivery unit
DE102017218287B4 (en) 2017-10-12 2021-12-23 Vitesco Technologies GmbH Fuel pump and fuel delivery unit
DE102018130472A1 (en) * 2018-11-30 2020-06-04 Nidec Gpm Gmbh Screw pump
DE102019103470A1 (en) * 2019-02-12 2020-08-13 Nidec Gpm Gmbh Electric screw spindle coolant pump
EP3816446A1 (en) * 2019-10-31 2021-05-05 Illinois Tool Works Inc. Cooling circuit of a vehicule

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173957A (en) * 1985-03-04 1986-10-22 American Standard Inc Compressor motor housing as an economizer and motor cooler in a refrigeration system
EP0306405A1 (en) * 1987-09-04 1989-03-08 Bernard Zimmern Methods and devices for cooling a motor of a refrigerating machine with liquid and economiser gaz
WO1994027050A1 (en) * 1993-05-14 1994-11-24 Svenska Rotor Maskiner Ab Rotary screw compressor with seal means

Family Cites Families (28)

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Publication number Priority date Publication date Assignee Title
US2937807A (en) * 1956-12-26 1960-05-24 Heraeus Gmbh W C High vacuum pumps
US3945219A (en) * 1970-08-25 1976-03-23 Kabushiki Kaisha Maekawa Seisakusho Method of and apparatus for preventing overheating of electrical motors for compressors
JPS49126211U (en) * 1973-02-23 1974-10-29
JPS52158910U (en) * 1976-05-28 1977-12-02
US4222716A (en) * 1979-06-01 1980-09-16 Dunham-Bush, Inc. Combined pressure matching and capacity control slide valve assembly for helical screw rotary machine
US4301375A (en) * 1980-01-02 1981-11-17 Sea Solar Power, Inc. Turbo-generator unit and system
US5348453A (en) * 1990-12-24 1994-09-20 James River Corporation Of Virginia Positive displacement screw pump having pressure feedback control
US5222874A (en) * 1991-01-09 1993-06-29 Sullair Corporation Lubricant cooled electric drive motor for a compressor
WO1993018303A1 (en) * 1992-03-13 1993-09-16 Pneumo Abex Corporation Wet electric motor driven pump
US5269667A (en) * 1993-02-24 1993-12-14 Ingersoll-Rand Company Removabe discharge port plate for a compressor
JP3499110B2 (en) * 1997-08-11 2004-02-23 株式会社神戸製鋼所 Oil-cooled screw compressor
DE19745616A1 (en) * 1997-10-10 1999-04-15 Leybold Vakuum Gmbh Cooling system for helical vacuum pump
US6457950B1 (en) * 2000-05-04 2002-10-01 Flowserve Management Company Sealless multiphase screw-pump-and-motor package
BE1013944A3 (en) * 2001-03-06 2003-01-14 Atlas Copco Airpower Nv Water injected screw compressor.
JP2004162540A (en) * 2002-11-11 2004-06-10 Kobe Steel Ltd Screw compressor
JP4072477B2 (en) * 2003-08-05 2008-04-09 伏虎金属工業株式会社 Twin screw pump
KR100629874B1 (en) * 2004-08-06 2006-09-29 엘지전자 주식회사 Capacity variable type rotary compressor and driving method thereof
JP2006299919A (en) * 2005-04-20 2006-11-02 Kobe Steel Ltd Screw compressor
JP4521344B2 (en) * 2005-09-30 2010-08-11 株式会社日立産機システム Oil-cooled screw compressor
JP2008121479A (en) * 2006-11-10 2008-05-29 Hitachi Appliances Inc Hermetic screw compressor
BE1017371A3 (en) * 2006-11-23 2008-07-01 Atlas Copco Airpower Nv ROTOR AND COMPRESSOR ELEMENT FITTED WITH SUCH ROTOR.
JP5103246B2 (en) * 2008-01-24 2012-12-19 株式会社神戸製鋼所 Screw compressor
CN101265900A (en) * 2008-04-23 2008-09-17 王法荣 Shielded electric pump
CN201486852U (en) * 2009-09-04 2010-05-26 黄山工业泵制造有限公司 Magnetism-driven twin-screw pump
CN101696687A (en) * 2009-10-27 2010-04-21 西安交通大学 Semi-closed double-screw oil-gas mixed pump for underwater operation
CN201593502U (en) * 2009-12-21 2010-09-29 烟台顿汉布什工业有限公司 Novel screw compressor
CN201574932U (en) * 2010-01-15 2010-09-08 德斯兰压缩机(上海)有限公司 Structure of driven part in air compressor
CN201865909U (en) * 2010-11-16 2011-06-15 上海维尔泰克螺杆机械有限公司 Twin-screw liquid pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173957A (en) * 1985-03-04 1986-10-22 American Standard Inc Compressor motor housing as an economizer and motor cooler in a refrigeration system
EP0306405A1 (en) * 1987-09-04 1989-03-08 Bernard Zimmern Methods and devices for cooling a motor of a refrigerating machine with liquid and economiser gaz
WO1994027050A1 (en) * 1993-05-14 1994-11-24 Svenska Rotor Maskiner Ab Rotary screw compressor with seal means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012065320A1 *

Also Published As

Publication number Publication date
EP2642125A1 (en) 2013-09-25
CN101975160A (en) 2011-02-16
WO2012065320A1 (en) 2012-05-24
US20130236334A1 (en) 2013-09-12
CN101975160B (en) 2014-12-03

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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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RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20161019

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