EP2878822A4 - Multistage oil pump - Google Patents

Multistage oil pump

Info

Publication number
EP2878822A4
EP2878822A4 EP13791334.9A EP13791334A EP2878822A4 EP 2878822 A4 EP2878822 A4 EP 2878822A4 EP 13791334 A EP13791334 A EP 13791334A EP 2878822 A4 EP2878822 A4 EP 2878822A4
Authority
EP
European Patent Office
Prior art keywords
oil pump
multistage oil
multistage
pump
oil
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Withdrawn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
EP13791334.9A
Other languages
German (de)
French (fr)
Other versions
EP2878822A1 (en
Inventor
Masato Kumamoto
Noriaki Chiba
Takehiko Naiki
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.)
Mikuni Corp
Original Assignee
Mikuni 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 Mikuni Corp filed Critical Mikuni Corp
Publication of EP2878822A1 publication Critical patent/EP2878822A1/en
Publication of EP2878822A4 publication Critical patent/EP2878822A4/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Withdrawn legal-status Critical Current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
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or 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
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • 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
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP13791334.9A 2012-05-17 2013-05-16 Multistage oil pump Withdrawn EP2878822A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012113481A JP2013238210A (en) 2012-05-17 2012-05-17 Multistage oil pump
PCT/JP2013/063651 WO2013172410A1 (en) 2012-05-17 2013-05-16 Multistage oil pump

Publications (2)

Publication Number Publication Date
EP2878822A1 EP2878822A1 (en) 2015-06-03
EP2878822A4 true EP2878822A4 (en) 2016-03-30

Family

ID=49583813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13791334.9A Withdrawn EP2878822A4 (en) 2012-05-17 2013-05-16 Multistage oil pump

Country Status (5)

Country Link
US (1) US20150167665A1 (en)
EP (1) EP2878822A4 (en)
JP (1) JP2013238210A (en)
CN (1) CN104302917A (en)
WO (1) WO2013172410A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728584B (en) * 2013-12-19 2018-06-19 北京宝沃汽车有限公司 For the rotor-type oil pump and engine of engine
KR101453429B1 (en) * 2014-01-09 2014-10-22 주식회사 신행 For high-pressure two-component high viscosity liquid transfer pump double-row structure of the trochoidal
KR102150608B1 (en) * 2014-02-25 2020-09-01 엘지이노텍 주식회사 Electric pump
CN104196719A (en) * 2014-08-29 2014-12-10 西北工业大学 Multi-stage internal meshing aircraft fuel gear pump
CN104595054B (en) * 2014-12-12 2018-06-19 隆鑫通用动力股份有限公司 crankcase cover with fixed drive pin
CN104481630A (en) * 2014-12-12 2015-04-01 隆鑫通用动力股份有限公司 Driving pin fixed engine oil pump
CN105889733A (en) * 2016-04-11 2016-08-24 湖北三江船艇科技有限公司 Parallel type rotor oil pump of ship gasoline engine
CN106051441B (en) * 2016-08-03 2018-07-31 湖南机油泵股份有限公司 A kind of output displacement can be changed duplex impeller pump and its control system
US10247295B1 (en) * 2018-10-22 2019-04-02 GM Global Technology Operations LLC Transfer case oil pump assembly
CN111997893B (en) * 2020-09-10 2022-10-14 中国计量大学 Flexible low linear velocity tooth-type molded line meshing wearable pump for robot arm

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3909831A1 (en) * 1989-03-25 1990-09-27 Becker Kg Gebr Sliding-vane rotary pump designed for dry running, and method for manufacturing it
CN2104328U (en) * 1991-06-19 1992-05-13 王丕正 No-oil concentric vacuum-pump
JPH06323261A (en) * 1993-05-18 1994-11-22 Honda Motor Co Ltd Oil pump
JP3635671B2 (en) * 1993-12-10 2005-04-06 ユニシア ジェーケーシー ステアリングシステム株式会社 Double cartridge type oil pump
JPH10252674A (en) * 1997-03-07 1998-09-22 Seiko Seiki Co Ltd Gas compressor
JPH1122656A (en) * 1997-07-04 1999-01-26 Matsushita Electric Ind Co Ltd Solution pump for absorption heat pump and manufacture thereof
US6481991B2 (en) * 2000-03-27 2002-11-19 Denso Corporation Trochoid gear type fuel pump
JP4007130B2 (en) * 2002-09-10 2007-11-14 株式会社豊田自動織機 Vacuum pump
JP2006161614A (en) 2004-12-03 2006-06-22 Hitachi Ltd Tandem type trochoid pump
DE102007022215A1 (en) * 2007-05-11 2008-11-13 Robert Bosch Gmbh Pump assembly for synchronous pressurization of two fluid columns
JP2009215932A (en) * 2008-03-10 2009-09-24 Hitachi Ltd Tandem pump and tandem pump for brake devices
JP5334829B2 (en) * 2009-12-22 2013-11-06 日立オートモティブシステムズ株式会社 Pump device
US8225767B2 (en) * 2010-03-15 2012-07-24 Tinney Joseph F Positive displacement rotary system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
US20150167665A1 (en) 2015-06-18
WO2013172410A1 (en) 2013-11-21
EP2878822A1 (en) 2015-06-03
JP2013238210A (en) 2013-11-28
CN104302917A (en) 2015-01-21

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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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Effective date: 20141212

AK Designated contracting states

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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

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160225

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 15/06 20060101ALI20160219BHEP

Ipc: F01C 21/10 20060101ALI20160219BHEP

Ipc: F04C 2/10 20060101ALI20160219BHEP

Ipc: F04C 11/00 20060101ALI20160219BHEP

Ipc: F04C 15/00 20060101AFI20160219BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20160927