EP3903003A4 - Vane pump having hollow pivot pin with fastener - Google Patents
Vane pump having hollow pivot pin with fastener Download PDFInfo
- 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- Withdrawn
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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-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
- F04C2/34—Rotary-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
- F04C2/344—Rotary-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
- F04C2/3441—Rotary-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
- F04C2/3442—Rotary-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
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control 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
- F04C14/223—Control 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
- F04C14/226—Control 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
-
- 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
-
- 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
- F04C2/30—Rotary-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
- F04C2/34—Rotary-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
- F04C2/344—Rotary-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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary 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
- F04C2240/20—Rotors
-
- 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
-
- 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
- F04C2240/80—Other components
- F04C2240/805—Fastening 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)
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)
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)
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)
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 |
-
2019
- 2019-10-30 US US16/668,175 patent/US20200208630A1/en not_active Abandoned
- 2019-11-21 WO PCT/IB2019/060050 patent/WO2020136471A1/en active Search and Examination
- 2019-11-21 EP EP19904774.7A patent/EP3903003A4/en not_active Withdrawn
- 2019-11-21 KR KR1020217022758A patent/KR20210108424A/en unknown
- 2019-11-21 MX MX2021007721A patent/MX2021007721A/en unknown
- 2019-11-21 CA CA3124923A patent/CA3124923A1/en active Pending
- 2019-11-21 JP JP2021537706A patent/JP2022516609A/en active Pending
- 2019-11-26 CN CN201922073000.5U patent/CN211623706U/en active Active
- 2019-11-26 CN CN201911169443.2A patent/CN111379695A/en active Pending
Patent Citations (4)
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)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20210728 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220808 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01C 21/10 20060101ALI20220802BHEP Ipc: F04C 14/22 20060101ALI20220802BHEP Ipc: F04C 2/344 20060101AFI20220802BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20230307 |