EP2476904A4 - Electric pump unit - Google Patents

Electric pump unit

Info

Publication number
EP2476904A4
EP2476904A4 EP10815443.6A EP10815443A EP2476904A4 EP 2476904 A4 EP2476904 A4 EP 2476904A4 EP 10815443 A EP10815443 A EP 10815443A EP 2476904 A4 EP2476904 A4 EP 2476904A4
Authority
EP
European Patent Office
Prior art keywords
pump unit
electric pump
electric
unit
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Withdrawn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
EP10815443.6A
Other languages
German (de)
French (fr)
Other versions
EP2476904A1 (en
Inventor
Takatoshi Sakata
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.)
JTEKT Corp
Original Assignee
JTEKT 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 JTEKT Corp filed Critical JTEKT Corp
Publication of EP2476904A1 publication Critical patent/EP2476904A1/en
Publication of EP2476904A4 publication Critical patent/EP2476904A4/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Withdrawn legal-status Critical Current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
    • F04C2/084—Toothed wheels
    • 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
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/008—Enclosed motor pump units
    • 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
    • F04C2240/40—Electric motor
EP10815443.6A 2009-09-11 2010-09-10 Electric pump unit Withdrawn EP2476904A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009209992A JP2011058441A (en) 2009-09-11 2009-09-11 Electric pump unit
PCT/JP2010/065611 WO2011030849A1 (en) 2009-09-11 2010-09-10 Electric pump unit

Publications (2)

Publication Number Publication Date
EP2476904A1 EP2476904A1 (en) 2012-07-18
EP2476904A4 true EP2476904A4 (en) 2014-04-30

Family

ID=43732517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10815443.6A Withdrawn EP2476904A4 (en) 2009-09-11 2010-09-10 Electric pump unit

Country Status (5)

Country Link
US (1) US20120164009A1 (en)
EP (1) EP2476904A4 (en)
JP (1) JP2011058441A (en)
CN (1) CN102483059A (en)
WO (1) WO2011030849A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011077094A1 (en) * 2011-06-07 2012-12-13 Mahle International Gmbh Reciprocating vacuum pump
FR2983248B1 (en) * 2011-11-29 2015-04-03 Turbomeca TURBOMACHINE COMPRISING AN ELECTRIC-ACTIVATED FUEL SUPPLY PUMP AND FUEL SUPPLY METHOD OF A TURBOMACHINE
JP6081824B2 (en) * 2013-03-06 2017-02-15 アスモ株式会社 Electric pump
JP2014173443A (en) * 2013-03-06 2014-09-22 Asmo Co Ltd Electric pump
EP3032722B1 (en) * 2014-12-11 2020-02-19 Johnson Electric International AG Rotor, motor, pump and cleaning apparatus
ITUB20155909A1 (en) * 2015-11-25 2017-05-25 Bosch Gmbh Robert GEAR PUMP
IT201600125212A1 (en) 2016-12-12 2018-06-12 Bosch Gmbh Robert GEAR ELECTRIC PUMP
IT201600129613A1 (en) * 2016-12-21 2018-06-21 Bosch Gmbh Robert GEAR ELECTRIC PUMP
IT201600130203A1 (en) * 2016-12-22 2018-06-22 Bosch Gmbh Robert GEAR ELECTRIC PUMP
BE1025347B1 (en) * 2017-06-28 2019-02-05 Atlas Copco Airpower Naamloze Vennootschap CYLINDRICAL SYMMETRIC VOLUMETRIC MACHINE
BE1025570B1 (en) * 2017-09-21 2019-04-17 Atlas Copco Airpower Naamloze Vennootschap Cylindrical symmetrical volumetric machine
EP3724484A1 (en) * 2017-12-13 2020-10-21 Robert Bosch GmbH Pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine
DE102017223715A1 (en) 2017-12-22 2019-06-27 Magna Powertrain Bad Homburg GmbH Gerotor pump and method for producing such
US10927833B2 (en) * 2018-05-15 2021-02-23 Schaeffler Technologies AG & Co. KG Integrated eccentric motor and pump assembly
DE102019200560A1 (en) 2018-09-14 2020-03-19 Magna Powertrain Bad Homburg GmbH Gerotor pump and method for producing pressure compensation in a gerotor pump
KR20210062788A (en) * 2019-11-21 2021-06-01 엘지이노텍 주식회사 Electric oil pump
KR20210062411A (en) * 2019-11-21 2021-05-31 엘지이노텍 주식회사 Pump
KR20210062787A (en) * 2019-11-21 2021-06-01 엘지이노텍 주식회사 Pump
KR20210062410A (en) * 2019-11-21 2021-05-31 엘지이노텍 주식회사 Pump
KR20230007094A (en) * 2021-07-05 2023-01-12 엘지이노텍 주식회사 Electric oil pump
DE102022208141A1 (en) * 2022-08-04 2024-02-15 Vitesco Technologies GmbH Pump, especially gear oil pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29913367U1 (en) * 1999-07-30 1999-12-09 Pumpenfabrik Ernst Scherzinger Internal gear pump, the ring gear of which is the inside of a rotor of an electric motor
EP1566545A2 (en) * 2004-02-23 2005-08-24 Aisin Seiki Kabushiki Kaisha Electric internal gear pump
EP1892415A1 (en) * 2005-05-31 2008-02-27 Hitachi, Ltd. Motor-integrated internal gear pump, method of producing the gear pump, and electronic apparatus
JP2009156081A (en) * 2007-12-25 2009-07-16 Aisin Seiki Co Ltd Electric pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2819024B2 (en) * 1988-07-14 1998-10-30 株式会社タツノ・メカトロニクス Superconducting rotary pump
JP3631808B2 (en) * 1995-06-20 2005-03-23 本田技研工業株式会社 Rotor for rotating machine, method for manufacturing the rotor, and magnet unit
JPH11210642A (en) * 1998-01-20 1999-08-03 Zexel:Kk Internal gear pump
JP4566336B2 (en) * 2000-05-31 2010-10-20 株式会社ソディック Synchronous machine rotor
JP2003129966A (en) * 2001-10-24 2003-05-08 Aisin Seiki Co Ltd Motor-driven oil pump
JP2004232578A (en) * 2003-01-31 2004-08-19 Koyo Seiko Co Ltd Electric trochoid pump
JP4484030B2 (en) * 2004-01-20 2010-06-16 株式会社ジェイテクト Electric pump unit
JP2005318765A (en) * 2004-04-30 2005-11-10 Mitsui High Tec Inc Rotor core and rotor
CN101341645B (en) * 2005-12-21 2011-08-17 本田技研工业株式会社 Electric motor
JP2008215088A (en) 2007-02-28 2008-09-18 Jtekt Corp Electric pump unit and electric oil pump
JP2008245414A (en) * 2007-03-27 2008-10-09 Matsushita Electric Works Ltd Brushless motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29913367U1 (en) * 1999-07-30 1999-12-09 Pumpenfabrik Ernst Scherzinger Internal gear pump, the ring gear of which is the inside of a rotor of an electric motor
EP1566545A2 (en) * 2004-02-23 2005-08-24 Aisin Seiki Kabushiki Kaisha Electric internal gear pump
EP1892415A1 (en) * 2005-05-31 2008-02-27 Hitachi, Ltd. Motor-integrated internal gear pump, method of producing the gear pump, and electronic apparatus
JP2009156081A (en) * 2007-12-25 2009-07-16 Aisin Seiki Co Ltd Electric pump

Also Published As

Publication number Publication date
EP2476904A1 (en) 2012-07-18
US20120164009A1 (en) 2012-06-28
CN102483059A (en) 2012-05-30
JP2011058441A (en) 2011-03-24
WO2011030849A1 (en) 2011-03-17

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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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17P Request for examination filed

Effective date: 20120308

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 SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140327

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 2/10 20060101ALI20140321BHEP

Ipc: F04C 2/08 20060101ALI20140321BHEP

Ipc: F04C 11/00 20060101ALI20140321BHEP

Ipc: F04C 15/00 20060101AFI20140321BHEP

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

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Effective date: 20140618