EP3903003A4 - Vane pump having hollow pivot pin with fastener - Google Patents

Vane pump having hollow pivot pin with fastener Download PDF

Info

Publication number
EP3903003A4
EP3903003A4 EP19904774.7A EP19904774A EP3903003A4 EP 3903003 A4 EP3903003 A4 EP 3903003A4 EP 19904774 A EP19904774 A EP 19904774A EP 3903003 A4 EP3903003 A4 EP 3903003A4
Authority
EP
European Patent Office
Prior art keywords
fastener
pivot pin
vane pump
hollow pivot
hollow
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Withdrawn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
EP19904774.7A
Other languages
German (de)
French (fr)
Other versions
EP3903003A1 (en
Inventor
Lixia SHI
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.)
Stackpole International Engineered Products Ltd
Original Assignee
Stackpole International Engineered Products 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 Stackpole International Engineered Products Ltd filed Critical Stackpole International Engineered Products Ltd
Publication of EP3903003A1 publication Critical patent/EP3903003A1/en
Publication of EP3903003A4 publication Critical patent/EP3903003A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/30Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3442Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10Outer members for co-operation with rotary pistons; Casings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • F04C14/226Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam by pivoting the cam around an eccentric axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/30Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N13/00Lubricating-pumps
    • F16N13/20Rotary pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/20Rotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/30Casings or housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/80Other components
    • F04C2240/805Fastening means, e.g. bolts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
EP19904774.7A 2018-12-28 2019-11-21 Vane pump having hollow pivot pin with fastener Withdrawn EP3903003A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862785960P 2018-12-28 2018-12-28
PCT/IB2019/060050 WO2020136471A1 (en) 2018-12-28 2019-11-21 Vane pump having hollow pivot pin with fastener

Publications (2)

Publication Number Publication Date
EP3903003A1 EP3903003A1 (en) 2021-11-03
EP3903003A4 true EP3903003A4 (en) 2022-09-07

Family

ID=71122621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19904774.7A Withdrawn EP3903003A4 (en) 2018-12-28 2019-11-21 Vane pump having hollow pivot pin with fastener

Country Status (8)

Country Link
US (1) US20200208630A1 (en)
EP (1) EP3903003A4 (en)
JP (1) JP2022516609A (en)
KR (1) KR20210108424A (en)
CN (2) CN211623706U (en)
CA (1) CA3124923A1 (en)
MX (1) MX2021007721A (en)
WO (1) WO2020136471A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200208630A1 (en) * 2018-12-28 2020-07-02 Stackpole International Engineered Products, Ltd. Vane pump having hollow pivot pin with fastener
CN114110398B (en) * 2021-11-30 2023-03-24 湖南机油泵股份有限公司 Variable oil pump capable of reducing pressure fluctuation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0693979A (en) * 1992-09-17 1994-04-05 Unisia Jecs Corp Variable volume type vane pump
US20110123379A1 (en) * 2009-11-25 2011-05-26 Hitachi Automotive Systems, Ltd. Variable displacement pump
US20150110659A1 (en) * 2013-10-21 2015-04-23 Hitachi Automotive Systems, Ltd. Vane pump
WO2017195150A1 (en) * 2016-05-12 2017-11-16 Stackpole International Engineered Products, Ltd. Pump with control system including a control system for directing delivery of pressurized lubricant

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2300484A1 (en) * 1973-01-05 1974-07-18 Otto Eckerle HIGH PRESSURE GEAR PUMP
JPH02227590A (en) * 1989-02-28 1990-09-10 Aisin Seiki Co Ltd Variable capacity compressor
JP3775193B2 (en) * 2000-09-21 2006-05-17 株式会社ジェイテクト Pump device
JP5620882B2 (en) * 2011-05-23 2014-11-05 日立オートモティブシステムズ株式会社 Variable displacement pump
JP6177610B2 (en) * 2013-07-17 2017-08-09 日立オートモティブシステムズ株式会社 Variable displacement pump
JP6163111B2 (en) * 2014-01-21 2017-07-12 株式会社ショーワ Vane pump unit
US9771935B2 (en) * 2014-09-04 2017-09-26 Stackpole International Engineered Products, Ltd. Variable displacement vane pump with thermo-compensation
CN206545579U (en) * 2017-03-02 2017-10-10 世特科汽车工程产品(常州)有限公司 A kind of pair of relief valve constant flow pump
US20200208630A1 (en) * 2018-12-28 2020-07-02 Stackpole International Engineered Products, Ltd. Vane pump having hollow pivot pin with fastener

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0693979A (en) * 1992-09-17 1994-04-05 Unisia Jecs Corp Variable volume type vane pump
US20110123379A1 (en) * 2009-11-25 2011-05-26 Hitachi Automotive Systems, Ltd. Variable displacement pump
US20150110659A1 (en) * 2013-10-21 2015-04-23 Hitachi Automotive Systems, Ltd. Vane pump
WO2017195150A1 (en) * 2016-05-12 2017-11-16 Stackpole International Engineered Products, Ltd. Pump with control system including a control system for directing delivery of pressurized lubricant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020136471A1 *

Also Published As

Publication number Publication date
KR20210108424A (en) 2021-09-02
CN211623706U (en) 2020-10-02
JP2022516609A (en) 2022-03-01
EP3903003A1 (en) 2021-11-03
US20200208630A1 (en) 2020-07-02
MX2021007721A (en) 2021-09-30
CA3124923A1 (en) 2020-07-02
CN111379695A (en) 2020-07-07
WO2020136471A1 (en) 2020-07-02

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