DE60300726D1 - Innenzahnradölpumpe - Google Patents

Innenzahnradölpumpe

Info

Publication number: DE60300726D1
Authority: DE; Germany
Prior art keywords: oil pump; internal gear; gear oil; internal; pump
Prior art date: 2002-03-01
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

DE60300726T

Other languages

English (en)

Other versions

DE60300726T2 (de

Inventor

Katsuaki Hosono

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.)

2002-03-01

Filing date

2003-02-26

Publication date

2005-07-07

2003-02-26 Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp

2005-07-07 Application granted granted Critical

2005-07-07 Publication of DE60300726D1 publication Critical patent/DE60300726D1/de

2006-04-27 Publication of DE60300726T2 publication Critical patent/DE60300726T2/de

2023-02-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Rotary Pumps (AREA)

DE60300726T 2002-03-01 2003-02-26 Innenzahnradölpumpe Expired - Lifetime DE60300726T2 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP2002056478		2002-03-01
JP2002056478		2002-03-01
JP2002056476		2002-03-01
JP2002056476		2002-03-01

Publications (2)

Publication Number	Publication Date
DE60300726D1 true DE60300726D1 (de)	2005-07-07
DE60300726T2 DE60300726T2 (de)	2006-04-27

Family

ID=27736584

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE60300726T Expired - Lifetime DE60300726T2 (de)	2002-03-01	2003-02-26	Innenzahnradölpumpe

Country Status (6)

Country	Link
US (1)	US6887056B2 (de)
EP (1)	EP1340914B1 (de)
KR (1)	KR100545519B1 (de)
CN (1)	CN1266383C (de)
DE (1)	DE60300726T2 (de)
MY (1)	MY125845A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20060239848A1 (en) *	2002-10-29	2006-10-26	Mitsubishi Materials Corporation	Internal gear type oil pump rotor
MY138173A (en) *	2003-08-12	2009-05-29	Diamet Corp	Oil pump rotor assembly
JP4485770B2 (ja)	2003-09-01	2010-06-23	株式会社ダイヤメット	オイルポンプロータ
JP4319617B2 (ja) *	2004-12-27	2009-08-26	株式会社山田製作所	トロコイド型オイルポンプ
JP4650180B2 (ja) *	2005-09-22	2011-03-16	アイシン精機株式会社	オイルポンプロータ
CN101832264B (zh) *	2005-09-22	2011-12-28	爱信精机株式会社	油泵转子
KR100812754B1 (ko) *	2006-09-03	2008-03-12	에스앤티대우(주)	내접기어의 치형
WO2008111270A1 (ja) *	2007-03-09	2008-09-18	Aisin Seiki Kabushiki Kaisha	オイルポンプロータ
JP5795726B2 (ja) *	2011-06-27	2015-10-14	株式会社山田製作所	オイルポンプ
JP5692034B2 (ja) *	2011-12-14	2015-04-01	株式会社ダイヤメット	オイルポンプロータ
CN109737055B (zh) *	2018-12-04	2020-08-04	重庆红宇精密工业有限责任公司	一种油泵转子组件
CN112059188A (zh) *	2020-09-02	2020-12-11	苏州萨伯工业设计有限公司	基于粉末冶金转子制造过程的控制方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB233423A (en) *	1924-02-07	1925-05-07	Hill Compressor & Pump Co Inc	Improvements in or relating to rotary pumps or the like
US2994277A (en) *	1957-02-11	1961-08-01	Merritt Henry Edward	Form and methods of manufacture of rotors for fluid pumps
JPS5920591A (ja) *	1982-07-23	1984-02-02	Sumitomo Electric Ind Ltd	回転ポンプ用焼結ロ−タ−およびその製造法
US5226798A (en) *	1989-11-17	1993-07-13	Eisenmann Siegfried A	Gear ring pump for internal-combustion engines and automatic transmissions
DE3938346C1 (de) *	1989-11-17	1991-04-25	Siegfried A. Dipl.-Ing. 7960 Aulendorf De Eisenmann
US5163826A (en) *	1990-10-23	1992-11-17	Cozens Eric E	Crescent gear pump with hypo cycloidal and epi cycloidal tooth shapes
US5135373A (en) *	1990-11-01	1992-08-04	Stackpole Limited	Spur gear with epi-cycloidal and hypo-cycloidal tooth shapes
DE4200883C1 (de) *	1992-01-15	1993-04-15	Siegfried A. Dipl.-Ing. 7960 Aulendorf De Eisenmann
US5813844A (en) *	1995-12-14	1998-09-29	Mitsubishi Materials Corporation	Oil pump rotor having a generated tooth shape
MY120206A (en) *	1996-01-17	2005-09-30	Diamet Corp	Oil pump rotor
US6077059A (en) *	1997-04-11	2000-06-20	Mitsubishi Materials Corporation	Oil pump rotor
KR100528952B1 (ko) *	1997-09-04	2005-11-16	스미또모 덴꼬 쇼오께쯔 고오낑 가부시끼가이샤	내접 기어 펌프

2003
- 2003-02-20 KR KR1020030010803A patent/KR100545519B1/ko not_active Expired - Fee Related
- 2003-02-26 EP EP03004252A patent/EP1340914B1/de not_active Expired - Lifetime
- 2003-02-26 DE DE60300726T patent/DE60300726T2/de not_active Expired - Lifetime
- 2003-02-27 CN CNB031105300A patent/CN1266383C/zh not_active Expired - Fee Related
- 2003-02-27 MY MYPI20030690A patent/MY125845A/en unknown
- 2003-02-27 US US10/375,326 patent/US6887056B2/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CN1442614A (zh)	2003-09-17
KR20030071624A (ko)	2003-09-06
US20030165392A1 (en)	2003-09-04
CN1266383C (zh)	2006-07-26
US6887056B2 (en)	2005-05-03
EP1340914B1 (de)	2005-06-01
MY125845A (en)	2006-08-30
DE60300726T2 (de)	2006-04-27
EP1340914A3 (de)	2003-11-05
KR100545519B1 (ko)	2006-01-24
EP1340914A2 (de)	2003-09-03

Publication	Publication Date	Title
DE60322218D1 (de)	2008-08-28	Ölwanne
EP1643616A4 (de)	2006-06-28	Motor
DE50205927D1 (de)	2006-04-27	Innen-Räumwerkzeug
DE50113477D1 (de)	2008-02-21	Innenzahnradpumpe
DE60302110D1 (de)	2005-12-08	Innenzahnradpumpe
DE602004028698D1 (de)	2010-09-30	Ölwanne
DE50104369D1 (de)	2004-12-09	Innenzahnradpumpe
DE50208497D1 (de)	2006-11-30	Schmierpumpenaggregat
DE502004002648D1 (de)	2007-02-22	Zahnradpumpe
DE60300726D1 (de)	2005-07-07	Innenzahnradölpumpe
DE602004010463D1 (de)	2008-01-17	Innenzahnradölpumpe
DE112004003148A5 (de)	2013-08-29	Ölwanne
DE50104246D1 (de)	2004-11-25	Füllstücklose innenzahnradpumpe
DE60325808D1 (de)	2009-03-05	Innenläuferzahnradölpumpe
DE602004005114D1 (de)	2007-04-19	Reihenbrennkraftmaschine
DE10393418D2 (de)	2005-06-09	Hubkolbenmaschine
DE50305310D1 (de)	2006-11-16	Hubkolbenmaschine
DE50111053D1 (de)	2006-11-02	Innenzahnradpumpe
DE602004022742D1 (de)	2009-10-08	Ölpumpe
DE60326029D1 (de)	2009-03-19	Brennkraftmaschinenölkühlung
DE60311909D1 (de)	2007-04-05	Ölwanne
DE112004000064D2 (de)	2005-07-28	Zahnradpumpe
DE60327876D1 (de)	2009-07-16	Ölpumpe
ITRE20030090A1 (it)	2005-03-30	Filtro per gasolio
DE60212589D1 (de)	2006-08-03	Hydraulisches Motorlager

Legal Events

Date	Code	Title	Description
2006-06-29	8364	No opposition during term of opposition
2006-10-26	8327	Change in the person/name/address of the patent owner	Owner name: MITSUBISHI MATERIALS PMG CORP., NIIGATA, JP
2006-10-26	8328	Change in the person/name/address of the agent	Representative=s name: MAIWALD PATENTANWALTS GMBH, 40221 DUESSELDORF
2008-08-28	8328	Change in the person/name/address of the agent	Representative=s name: MICHALSKI HUETTERMANN & PARTNER PATENTANWAELTE, 40
2010-05-27	8327	Change in the person/name/address of the patent owner	Owner name: DIAMENT CORP., NIIGATA, JP
2011-03-24	8327	Change in the person/name/address of the patent owner	Owner name: DIAMET CORP.,, NIIGATA, JP