EP2249041A3 - Sliding vane vacuum pump with an oil relief valve - Google Patents

Sliding vane vacuum pump with an oil relief valve Download PDF

Info

Publication number
EP2249041A3
EP2249041A3 EP10160926.1A EP10160926A EP2249041A3 EP 2249041 A3 EP2249041 A3 EP 2249041A3 EP 10160926 A EP10160926 A EP 10160926A EP 2249041 A3 EP2249041 A3 EP 2249041A3
Authority
EP
European Patent Office
Prior art keywords
pump
vacuum pump
sliding vane
relief valve
oil relief
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.)
Granted
Application number
EP10160926.1A
Other languages
German (de)
French (fr)
Other versions
EP2249041A2 (en
EP2249041B1 (en
Inventor
David Heaps
Paul Wellings
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.)
Wabco Automotive UK Ltd
Original Assignee
Wabco Automotive UK 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 Wabco Automotive UK Ltd filed Critical Wabco Automotive UK Ltd
Priority to EP14191836.7A priority Critical patent/EP2853747A1/en
Publication of EP2249041A2 publication Critical patent/EP2249041A2/en
Publication of EP2249041A3 publication Critical patent/EP2249041A3/en
Application granted granted Critical
Publication of EP2249041B1 publication Critical patent/EP2249041B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/06—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
    • 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
    • F04C28/28—Safety arrangements; Monitoring
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/58—Valve parameters
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/70—Safety, emergency conditions or requirements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)

Abstract

A sliding vane vacuum pump includes a casing (10) having a cover which together define a cavity (12), a rotor and a vane slidably mounted to said rotor. The pump further includes an inlet passage (24) extending from the exterior of the pump to the cavity (12) and an outlet passage (20) extending from the cavity (12) to the exterior of the pump. The pump further includes an oil relief arrangement operable to vent lubricating oil to the exterior of the pump in the event of reverse rotation of the rotor and vane.
EP10160926.1A 2009-05-01 2010-04-23 Sliding vane vacuum pump with an oil relief valve Not-in-force EP2249041B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14191836.7A EP2853747A1 (en) 2009-05-01 2010-04-23 Vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0907607.6A GB0907607D0 (en) 2009-05-01 2009-05-01 Vacuum pump

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP14191836.7A Division-Into EP2853747A1 (en) 2009-05-01 2010-04-23 Vacuum pump
EP14191836.7A Division EP2853747A1 (en) 2009-05-01 2010-04-23 Vacuum pump

Publications (3)

Publication Number Publication Date
EP2249041A2 EP2249041A2 (en) 2010-11-10
EP2249041A3 true EP2249041A3 (en) 2014-08-13
EP2249041B1 EP2249041B1 (en) 2018-05-30

Family

ID=40792182

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10160926.1A Not-in-force EP2249041B1 (en) 2009-05-01 2010-04-23 Sliding vane vacuum pump with an oil relief valve
EP14191836.7A Withdrawn EP2853747A1 (en) 2009-05-01 2010-04-23 Vacuum pump

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP14191836.7A Withdrawn EP2853747A1 (en) 2009-05-01 2010-04-23 Vacuum pump

Country Status (3)

Country Link
EP (2) EP2249041B1 (en)
CN (1) CN201851360U (en)
GB (1) GB0907607D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9103246B2 (en) 2010-11-02 2015-08-11 Ford Global Technologies, Llc System and method for reducing vacuum degradation in a vehicle
DE202014009218U1 (en) * 2014-07-11 2015-10-14 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Rotary vane vacuum pump
DE102016202426A1 (en) * 2016-02-17 2017-08-17 Mahle International Gmbh Check valve for a vacuum pump
DE102016207115A1 (en) * 2016-04-27 2017-11-02 Mahle International Gmbh Check valve for a vacuum pump
DE102016207123A1 (en) * 2016-04-27 2017-11-02 Mahle International Gmbh Check valve for a vacuum pump
WO2018224117A1 (en) 2017-06-09 2018-12-13 Wabco Europe Bvba A vacuum pump reed valve which will reduce cold start torque
GB2584005B (en) * 2019-03-22 2022-11-23 Cummins Inc Vacuum pump exhaust reed valve with pressure bleed
DE102020111301A1 (en) * 2020-04-24 2021-10-28 Schwäbische Hüttenwerke Automotive GmbH Vacuum pump

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62186089A (en) * 1986-02-10 1987-08-14 Matsushita Refrig Co Valve device of rotary compressor
EP0255920A2 (en) * 1986-08-06 1988-02-17 B a r m a g AG Vane vacuum pump
US5775894A (en) * 1996-11-05 1998-07-07 Tecumseh Products Company Compressor ball valve
DE10000755A1 (en) * 1999-01-11 2000-07-20 Hitachi Ltd Slider vacuum pump for vehicle power brake systems has pressure reducing device in displacement chamber to prevent pressure rise and resulting break of slider when rotary shaft rotates in direction opposite from normal
JP2002013654A (en) * 2000-04-28 2002-01-18 Seiko Instruments Inc Pressure regulating valve and gas compressor using the pressure regulating valve
WO2003083321A1 (en) * 2002-03-27 2003-10-09 Dana Corporation Pressure control valve for hydraulic actuation assembly
WO2004044431A2 (en) * 2002-11-13 2004-05-27 Luk Automobiltechnik Gmbh & Co. Kg Vacuum pump
US20060099098A1 (en) * 2004-11-11 2006-05-11 Lg Electronics Inc. Discharge valve system of scroll compressor
WO2008069789A1 (en) * 2006-12-05 2008-06-12 Carrier Corporation Integral slide valve relief valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62186089A (en) * 1986-02-10 1987-08-14 Matsushita Refrig Co Valve device of rotary compressor
EP0255920A2 (en) * 1986-08-06 1988-02-17 B a r m a g AG Vane vacuum pump
US5775894A (en) * 1996-11-05 1998-07-07 Tecumseh Products Company Compressor ball valve
DE10000755A1 (en) * 1999-01-11 2000-07-20 Hitachi Ltd Slider vacuum pump for vehicle power brake systems has pressure reducing device in displacement chamber to prevent pressure rise and resulting break of slider when rotary shaft rotates in direction opposite from normal
JP2002013654A (en) * 2000-04-28 2002-01-18 Seiko Instruments Inc Pressure regulating valve and gas compressor using the pressure regulating valve
WO2003083321A1 (en) * 2002-03-27 2003-10-09 Dana Corporation Pressure control valve for hydraulic actuation assembly
WO2004044431A2 (en) * 2002-11-13 2004-05-27 Luk Automobiltechnik Gmbh & Co. Kg Vacuum pump
US20060099098A1 (en) * 2004-11-11 2006-05-11 Lg Electronics Inc. Discharge valve system of scroll compressor
WO2008069789A1 (en) * 2006-12-05 2008-06-12 Carrier Corporation Integral slide valve relief valve

Also Published As

Publication number Publication date
GB0907607D0 (en) 2009-06-10
CN201851360U (en) 2011-06-01
EP2249041A2 (en) 2010-11-10
EP2249041B1 (en) 2018-05-30
EP2853747A1 (en) 2015-04-01

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