DE60233458D1 - Vakuumpumpe - Google Patents

Vakuumpumpe

Info

Publication number: DE60233458D1
Authority: DE; Germany
Prior art keywords: vacuum pump; vacuum; pump
Prior art date: 2001-05-08
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

DE60233458T

Other languages

English (en)

Inventor

Shinya Yamamoto

Masahiro Kawaguchi

Satoru Kuramoto

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.)

Toyota Industries Corp

Original Assignee

Toyota Industries 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.)

2001-05-08

Filing date

2002-05-07

Publication date

2009-10-08

2002-05-07 Application filed by Toyota Industries Corp filed Critical Toyota Industries Corp

2009-10-08 Application granted granted Critical

2009-10-08 Publication of DE60233458D1 publication Critical patent/DE60233458D1/de

2022-05-08 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C27/009—Shaft sealings specially adapted for 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Sealing Of Bearings (AREA)

DE60233458T 2001-05-08 2002-05-07 Vakuumpumpe Expired - Lifetime DE60233458D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2001137409A JP4747437B2 (ja)	2001-05-08	2001-05-08	真空ポンプにおける油洩れ防止構造

Publications (1)

Publication Number	Publication Date
DE60233458D1 true DE60233458D1 (de)	2009-10-08

Family

ID=18984520

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE60233458T Expired - Lifetime DE60233458D1 (de)	2001-05-08	2002-05-07	Vakuumpumpe

Country Status (5)

Country	Link
US (1)	US6659227B2 (de)
EP (1)	EP1256720B1 (de)
JP (1)	JP4747437B2 (de)
DE (1)	DE60233458D1 (de)
TW (1)	TW585972B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100646424B1 (ko)	2004-01-07	2006-11-17	삼성전자주식회사	토너 소모량 산출 장치 및 그 방법
US7213660B2 (en) *	2005-07-05	2007-05-08	Skf Usa Inc.	Washpipe seal
US20070007002A1 (en) *	2005-07-05	2007-01-11	Skf Usa, Inc., A Delaware Corporation	Washpipe seal
JP4935814B2 (ja) *	2006-07-19	2012-05-23	株式会社豊田自動織機	流体機械
JP5121826B2 (ja) *	2007-06-13	2013-01-16	樫山工業株式会社	ルーツ式ポンプおよびルーツ式ポンプ製造方法
KR100878460B1 (ko) *	2007-07-06	2009-01-13	한국과학기술연구원	래비린스 시일
JP4844489B2 (ja) *	2007-07-19	2011-12-28	株式会社豊田自動織機	流体機械
TWI518245B (zh) *	2010-04-19	2016-01-21	荏原製作所股份有限公司	乾真空泵裝置、排氣單元，以及消音器
KR101465925B1 (ko) *	2010-11-17	2014-11-26	가부시키가이샤 아루박	진공 배기 장치의 연결 구조 및 진공 배기 시스템
DE202011104491U1 (de) *	2011-08-17	2012-11-20	Oerlikon Leybold Vacuum Gmbh	Wälzkolbenpumpe
CN104405469A (zh) *	2014-10-20	2015-03-11	奇瑞汽车股份有限公司	一种发动机机油泵及其发动机润滑系统
GB2558954B (en) *	2017-01-24	2019-10-30	Edwards Ltd	Pump sealing
JP7281388B2 (ja) *	2018-12-28	2023-05-25	株式会社荏原製作所	軸受装置および真空ポンプ装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE868488C (de)	1943-08-12	1953-02-26	Bosch Gmbh Robert	Rollkolbenverdichter, insbesondere fuer Druckluftanlagen in Fahrzeugen
JPS5564172A (en) *	1978-11-02	1980-05-14	Hitachi Ltd	Oil thrower for hydraulic machinery
JPS5851294A (ja)	1981-09-22	1983-03-25	Hitachi Ltd	圧縮機の軸封装置
IT1155126B (it)	1982-03-10	1987-01-21	Fiat Auto Spa	Compressore volumetrico rotativo del tipo roots
JPS61123793A (ja) *	1984-11-16	1986-06-11	Osaka Shinku Kiki Seisakusho:Kk	ル−ツ真空ポンプ
JPS62110081A (ja) *	1985-11-06	1987-05-21	Mitsubishi Heavy Ind Ltd	油切りラビリンス形状
JPS62261688A (ja) *	1986-05-01	1987-11-13	Anretsuto:Kk	高真空用ル−ツブロワ−の油封装置
JPS63129829A (ja)	1986-11-14	1988-06-02	Nippon Denso Co Ltd	真空ポンプ付き発電機
FR2638788B1 (fr)	1988-11-07	1994-01-28	Alcatel Cit	Pompe a vide du type roots multietage
JPH0311193A (ja)	1989-06-08	1991-01-18	Daikin Ind Ltd	真空ポンプ
JPH03242489A (ja)	1990-02-16	1991-10-29	Hitachi Ltd	無給油式スクリュー流体機械
JP3112490B2 (ja)	1991-04-08	2000-11-27	アネルバ株式会社	メカニカル真空ポンプ
IT1248296B (it) *	1991-04-11	1995-01-05	Nuovopignone Ind Meccaniche Ef	Perfezionamento del sistema di sbarramento per l'olio di lubrificazione dei cuscini di un compressore centrifugo con tenute a labirinti installato in ambiente confinato
US5261676A (en) *	1991-12-04	1993-11-16	Environamics Corporation	Sealing arrangement with pressure responsive diaphragm means
JPH07158571A (ja)	1993-12-08	1995-06-20	Nippondenso Co Ltd	スクロール型圧縮機
JPH11201264A (ja) *	1998-01-08	1999-07-27	Central Japan Railway Co	鉄道車両用歯車装置の軸封装置

2001
- 2001-05-08 JP JP2001137409A patent/JP4747437B2/ja not_active Expired - Fee Related
2002
- 2002-05-06 US US10/140,313 patent/US6659227B2/en not_active Expired - Fee Related
- 2002-05-07 EP EP02010342A patent/EP1256720B1/de not_active Expired - Lifetime
- 2002-05-07 DE DE60233458T patent/DE60233458D1/de not_active Expired - Lifetime
- 2002-09-12 TW TW091120820A patent/TW585972B/zh not_active IP Right Cessation

Also Published As

Publication number	Publication date
JP4747437B2 (ja)	2011-08-17
JP2002327848A (ja)	2002-11-15
EP1256720B1 (de)	2009-08-26
US6659227B2 (en)	2003-12-09
EP1256720A3 (de)	2003-05-21
US20020166731A1 (en)	2002-11-14
EP1256720A2 (de)	2002-11-13
TW585972B (en)	2004-05-01

Publication	Publication Date	Title
DE60226377D1 (de)	2008-06-19	Vakuumpumpe
DE60237942D1 (de)	2010-11-25	Vakuumpumpe
DE60234987D1 (de)	2010-02-25	Vakuumpumpe
DE60222343D1 (de)	2007-10-25	Miniaturpumpe
DE60030833D1 (de)	2006-11-02	Vakuumpumpe
DE10393279D2 (de)	2005-06-02	Vakuumpumpe
DE50209511D1 (de)	2007-04-05	Kreiselpumpe
DE50101315D1 (de)	2004-02-19	Förderpumpe
DE60314930D1 (de)	2007-08-30	Vakuumpumpe
DE50103731D1 (de)	2004-10-28	Förderpumpe
DE60129590D1 (de)	2007-09-06	Magnetpumpe
DE60210287D1 (de)	2006-05-18	Pumpenanordnung
ATE491886T1 (de)	2011-01-15	Spaltrohrpumpe
DE50205754D1 (de)	2006-04-13	Vakuumleitung
DE60233458D1 (de)	2009-10-08	Vakuumpumpe
DE60209406D1 (de)	2006-04-27	Rohrpumpe
DE602004029470D1 (de)	2010-11-18	Vakuumpumpe
DE60227906D1 (de)	2008-09-11	Membranpumpe
DE60214270T8 (de)	2007-09-06	Pumpeinheit
DE50208630D1 (de)	2006-12-21	Vakuumpumpe
DE50308541D1 (de)	2007-12-20	Vakuumpumpe
DE60101368D1 (de)	2004-01-15	Vakuumpumpe
DE602004011583D1 (de)	2008-03-20	Kompakte Vakuumpumpe
DE50112030D1 (de)	2007-03-29	Förderpumpe
DE50213599D1 (de)	2009-07-23	Sauggerät

Legal Events

Date	Code	Title	Description
2010-09-16	8364	No opposition during term of opposition