EP0320795A3 - Vane-type vacuum pump - Google Patents

Vane-type vacuum pump Download PDF

Info

Publication number: EP0320795A3
Authority: EP; European Patent Office
Prior art keywords: vane; vacuum pump; type vacuum; type; pump
Prior art date: 1987-12-12
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.): Granted

Application number

EP88120517A

Other languages

German (de)

Other versions

EP0320795B1 (en

EP0320795A2 (en

Inventor

Siegfried Hertell

Dieter Otto

Robert Lange

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.)

Oerlikon Barmag AG

Original Assignee

Barmag AG

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.)

1987-12-12

Filing date

1988-12-08

Publication date

1990-02-07

1988-12-08 Application filed by Barmag AG filed Critical Barmag AG

1989-06-21 Publication of EP0320795A2 publication Critical patent/EP0320795A2/en

1990-02-07 Publication of EP0320795A3 publication Critical patent/EP0320795A3/en

1991-07-10 Application granted granted Critical

1991-07-10 Publication of EP0320795B1 publication Critical patent/EP0320795B1/en

2008-12-08 Anticipated expiration legal-status Critical

Status 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- 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
- F04C2220/00—Application
- F04C2220/10—Vacuum

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Rotary Pumps (AREA)
Applications Or Details Of Rotary Compressors (AREA)

EP88120517A 1987-12-12 1988-12-08 Vane-type vacuum pump Expired - Lifetime EP0320795B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3742277		1987-12-12
DE3742277		1987-12-12

Publications (3)

Publication Number	Publication Date
EP0320795A2 EP0320795A2 (en)	1989-06-21
EP0320795A3 true EP0320795A3 (en)	1990-02-07
EP0320795B1 EP0320795B1 (en)	1991-07-10

Family

ID=6342537

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88120517A Expired - Lifetime EP0320795B1 (en)	1987-12-12	1988-12-08	Vane-type vacuum pump

Country Status (3)

Country	Link
EP (1)	EP0320795B1 (en)
DE (1)	DE3863633D1 (en)
ES (1)	ES2022973B3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3906823B4 (en) *	1988-12-08	2004-01-08	Barmag Ag	Wing vacuum pump
DD299393A7 (en) *	1989-08-09	1992-04-16	Zwetkow,Zwetko,Bg	OIL PUMP FOR ROTATING VACUUM PUMPS
EP0515929B1 (en) *	1991-05-29	1998-07-29	LuK Automobiltechnik GmbH & Co. KG	Vacuum vane pump mounted on the motor housing of a vehicle engine
EP1117933B2 (en) †	1998-09-30	2013-04-17	ixetic Hückeswagen GmbH	Vacuum pump
US10696280B2 (en)	2015-03-25	2020-06-30	Pierburg Pump Technology Gmbh	Vacuum pump with rotor shaft supported by friction bearings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB912119A (en) *	1960-05-18	1962-12-05	Dewandre Co Ltd C	Improvements in or relating to rotary exhausters and the like
DE2737659A1 (en) *	1977-08-20	1979-03-01	Volkswagenwerk Ag	Rotary vane vacuum pump for vehicle air brakes - has case hardened rotor shaft supported directly in casing bearing
EP0003572A1 (en) *	1978-02-06	1979-08-22	b a r m a g Barmer Maschinenfabrik Aktiengesellschaft	Sliding vane pump
GB2069610A (en) *	1980-02-14	1981-08-26	Bosch Gmbh Robert	Vacuum pump
DE3734573A1 (en) *	1986-10-18	1988-04-28	Barmag Barmer Maschf	Vane pump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3519741A1 (en) *	1984-06-09	1986-01-02	Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid	Vane vacuum pump

1988
- 1988-12-08 EP EP88120517A patent/EP0320795B1/en not_active Expired - Lifetime
- 1988-12-08 ES ES88120517T patent/ES2022973B3/en not_active Expired - Lifetime
- 1988-12-08 DE DE8888120517T patent/DE3863633D1/en not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB912119A (en) *	1960-05-18	1962-12-05	Dewandre Co Ltd C	Improvements in or relating to rotary exhausters and the like
DE2737659A1 (en) *	1977-08-20	1979-03-01	Volkswagenwerk Ag	Rotary vane vacuum pump for vehicle air brakes - has case hardened rotor shaft supported directly in casing bearing
EP0003572A1 (en) *	1978-02-06	1979-08-22	b a r m a g Barmer Maschinenfabrik Aktiengesellschaft	Sliding vane pump
GB2069610A (en) *	1980-02-14	1981-08-26	Bosch Gmbh Robert	Vacuum pump
DE3734573A1 (en) *	1986-10-18	1988-04-28	Barmag Barmer Maschf	Vane pump

Also Published As

Publication number	Publication date
EP0320795B1 (en)	1991-07-10
DE3863633D1 (en)	1991-08-14
EP0320795A2 (en)	1989-06-21
ES2022973B3 (en)	1991-12-16

Legal Events

Date	Code	Title	Description
1989-05-06	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-06-21	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE ES FR GB IT LI
1989-12-19	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-02-07	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE ES FR GB IT LI
1990-08-22	17P	Request for examination filed	Effective date: 19900627
1991-01-23	17Q	First examination report despatched	Effective date: 19901212
1991-02-07	ITF	It: translation for a ep patent filed	Owner name: DE DOMINICIS & MAYER S.R.L.
1991-05-24	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-07-10	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE ES FR GB IT LI
1991-07-19	ET	Fr: translation filed
1991-08-14	REF	Corresponds to:	Ref document number: 3863633 Country of ref document: DE Date of ref document: 19910814
1991-10-02	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-05-14	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-05-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-07-01	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2006-12-05	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: ES Payment date: 20061205 Year of fee payment: 19
2006-12-12	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20061212 Year of fee payment: 19
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2007-02-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20070223 Year of fee payment: 19
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2008-08-27	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20071208
2008-10-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20071231 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20071231 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080701
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2009-03-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FD2A Effective date: 20071210
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