DE69702776T2 - Ölpumpenrotor - Google Patents

Ölpumpenrotor

Info

Publication number
DE69702776T2
DE69702776T2 DE69702776T DE69702776T DE69702776T2 DE 69702776 T2 DE69702776 T2 DE 69702776T2 DE 69702776 T DE69702776 T DE 69702776T DE 69702776 T DE69702776 T DE 69702776T DE 69702776 T2 DE69702776 T2 DE 69702776T2
Authority
DE
Germany
Prior art keywords
oil pump
pump rotor
rotor
oil
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.)
Expired - Lifetime
Application number
DE69702776T
Other languages
English (en)
Other versions
DE69702776D1 (de
Inventor
Katsuaki Hosono
Manabu Katagiri
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.)
Diamet Corp
Original Assignee
Mitsubishi Materials 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11631165&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69702776(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Publication of DE69702776D1 publication Critical patent/DE69702776D1/de
Application granted granted Critical
Publication of DE69702776T2 publication Critical patent/DE69702776T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
DE69702776T 1996-01-17 1997-01-14 Ölpumpenrotor Expired - Lifetime DE69702776T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP617396 1996-01-17

Publications (2)

Publication Number Publication Date
DE69702776D1 DE69702776D1 (de) 2000-09-21
DE69702776T2 true DE69702776T2 (de) 2001-02-01

Family

ID=11631165

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69702776T Expired - Lifetime DE69702776T2 (de) 1996-01-17 1997-01-14 Ölpumpenrotor

Country Status (5)

Country Link
US (1) US5876193A (de)
EP (1) EP0785360B1 (de)
KR (1) KR100311239B1 (de)
DE (1) DE69702776T2 (de)
MY (1) MY120206A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6077059A (en) * 1997-04-11 2000-06-20 Mitsubishi Materials Corporation Oil pump rotor
US6000920A (en) * 1997-08-08 1999-12-14 Kabushiki Kaisha Kobe Seiko Sho Oil-flooded screw compressor with screw rotors having contact profiles in the shape of roulettes
KR100528952B1 (ko) * 1997-09-04 2005-11-16 스미또모 덴꼬 쇼오께쯔 고오낑 가부시끼가이샤 내접 기어 펌프
KR100545519B1 (ko) * 2002-03-01 2006-01-24 미쓰비시 마테리알 가부시키가이샤 오일펌프로터
JP3917026B2 (ja) * 2002-07-10 2007-05-23 アイシン精機株式会社 オイルポンプロータ
MY141586A (en) * 2002-07-18 2010-05-14 Mitsubishi Materials Pmg Corp Oil pump rotor
JP4136957B2 (ja) * 2003-03-25 2008-08-20 住友電工焼結合金株式会社 内接歯車式ポンプ
JP4557514B2 (ja) * 2003-07-15 2010-10-06 住友電工焼結合金株式会社 内接歯車式ポンプ及びそのポンプのインナーロータ
JP2006152928A (ja) * 2004-11-30 2006-06-15 Hitachi Ltd 内接式歯車ポンプ
EP1927752B1 (de) 2005-09-22 2018-09-12 Aisin Seiki Kabushiki Kaisha Ölpumpenrotor
US8714951B2 (en) * 2011-08-05 2014-05-06 Ener-G-Rotors, Inc. Fluid energy transfer device
JP6027343B2 (ja) * 2012-06-01 2016-11-16 株式会社山田製作所 オイルポンプのロータ
CN111043294A (zh) * 2019-12-30 2020-04-21 綦江齿轮传动有限公司 一种用于前置取力器的摆线内转子油泵装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1284650A (en) * 1918-06-07 1918-11-12 Ellick H Gollings Rotary power device.
DD115184A1 (de) * 1974-12-04 1975-09-12
JPS614882A (ja) * 1984-06-18 1986-01-10 Toyoda Mach Works Ltd 歯車ポンプ
DE3938346C1 (de) * 1989-11-17 1991-04-25 Siegfried A. Dipl.-Ing. 7960 Aulendorf De Eisenmann
DE4200883C1 (de) 1992-01-15 1993-04-15 Siegfried A. Dipl.-Ing. 7960 Aulendorf De Eisenmann

Also Published As

Publication number Publication date
US5876193A (en) 1999-03-02
KR970059505A (ko) 1997-08-12
DE69702776D1 (de) 2000-09-21
KR100311239B1 (ko) 2002-09-25
EP0785360B1 (de) 2000-08-16
EP0785360A1 (de) 1997-07-23
MY120206A (en) 2005-09-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: MITSUBISHI MATERIALS PMG CORP., NIIGATA, JP

8328 Change in the person/name/address of the agent

Representative=s name: MAIWALD PATENTANWALTS GMBH, 40221 DUESSELDORF

8328 Change in the person/name/address of the agent

Representative=s name: MICHALSKI HUETTERMANN & PARTNER PATENTANWAELTE, 40

8327 Change in the person/name/address of the patent owner

Owner name: DIAMET CORP.,, NIIGATA, JP