EP0237618A3 - Rotary vane vacuum pump - Google Patents

Rotary vane vacuum pump Download PDF

Info

Publication number
EP0237618A3
EP0237618A3 EP86113768A EP86113768A EP0237618A3 EP 0237618 A3 EP0237618 A3 EP 0237618A3 EP 86113768 A EP86113768 A EP 86113768A EP 86113768 A EP86113768 A EP 86113768A EP 0237618 A3 EP0237618 A3 EP 0237618A3
Authority
EP
European Patent Office
Prior art keywords
vacuum pump
rotary vane
vane vacuum
rotary
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.)
Granted
Application number
EP86113768A
Other languages
German (de)
Other versions
EP0237618B1 (en
EP0237618A2 (en
Inventor
Markus Ruscher
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.)
Dr-Ing K Busch GmbH
Original Assignee
Dr-Ing K Busch GmbH
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 Dr-Ing K Busch GmbH filed Critical Dr-Ing K Busch GmbH
Publication of EP0237618A2 publication Critical patent/EP0237618A2/en
Publication of EP0237618A3 publication Critical patent/EP0237618A3/en
Application granted granted Critical
Publication of EP0237618B1 publication Critical patent/EP0237618B1/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations 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
    • F04C23/001Combinations 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP19860113768 1985-12-23 1986-10-04 Rotary vane vacuum pump Expired EP0237618B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3545982 1985-12-23
DE19853545982 DE3545982A1 (en) 1985-12-23 1985-12-23 ROTARY VALVE VACUUM PUMP

Publications (3)

Publication Number Publication Date
EP0237618A2 EP0237618A2 (en) 1987-09-23
EP0237618A3 true EP0237618A3 (en) 1988-01-07
EP0237618B1 EP0237618B1 (en) 1989-05-31

Family

ID=6289501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860113768 Expired EP0237618B1 (en) 1985-12-23 1986-10-04 Rotary vane vacuum pump

Country Status (2)

Country Link
EP (1) EP0237618B1 (en)
DE (2) DE3545982A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8807065U1 (en) * 1988-05-30 1989-09-28 Siemens AG, 1000 Berlin und 8000 München Vacuum pump unit mounted on a portable support frame
ES2030561T3 (en) * 1988-06-24 1992-11-01 Siemens Aktiengesellschaft GROUP OF VACUUM PUMPS OF SEVERAL PHASES.
GB2394011A (en) * 2002-10-10 2004-04-14 Compair Uk Ltd Oil sealed rotary vane compressor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH192649A (en) * 1937-03-11 1937-08-31 Graber & Wening Multi-stage rotary compressor.
AT158310B (en) * 1937-01-27 1940-03-26 Schweizerische Lokomotiv Two or more cylinder rotary lobe compressors.
AT159765B (en) * 1938-05-14 1940-11-11 Klein Schanzlin & Becker Ag Two-stage rotary lobe vacuum pump with sickle-shaped working spaces and radially or approximately radially movable working slides.
US2780406A (en) * 1953-04-21 1957-02-05 Worthington Corp Rotary compressor
US2961151A (en) * 1955-08-12 1960-11-22 Westinghouse Air Brake Co Rotary compressor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1848304U (en) * 1962-01-18 1962-03-15 Karl Dr Ing Busch TWO-STAGE ROTARY COMPRESSOR AND VACUUM PUMP.
US4588358A (en) * 1984-07-02 1986-05-13 Werner Rietschle Maschinen-Und Apparatebau Gmbh Rotary vane evacuating pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT158310B (en) * 1937-01-27 1940-03-26 Schweizerische Lokomotiv Two or more cylinder rotary lobe compressors.
CH192649A (en) * 1937-03-11 1937-08-31 Graber & Wening Multi-stage rotary compressor.
AT159765B (en) * 1938-05-14 1940-11-11 Klein Schanzlin & Becker Ag Two-stage rotary lobe vacuum pump with sickle-shaped working spaces and radially or approximately radially movable working slides.
US2780406A (en) * 1953-04-21 1957-02-05 Worthington Corp Rotary compressor
US2961151A (en) * 1955-08-12 1960-11-22 Westinghouse Air Brake Co Rotary compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, unexamined applications, Sektion M, Band 5, Nr. 80, 26. Mai 1981 THE PATENT OFFICE JAPANESE GOVERNMENT Seite 164 M 70 * JP - A - 56-29 090 ( SHINKUU KIKAI KOGYO ) * *

Also Published As

Publication number Publication date
EP0237618B1 (en) 1989-05-31
EP0237618A2 (en) 1987-09-23
DE3663721D1 (en) 1989-07-06
DE3545982C2 (en) 1988-12-01
DE3545982A1 (en) 1987-07-02

Similar Documents

Publication Publication Date Title
EP0166807A3 (en) Rotary vane vacuum pump
EP0195560A3 (en) Rotary compressor
GB2137696B (en) Rotary vacuum pump
GB2197689B (en) Vane pumps
GB8521528D0 (en) Rotary pump
GB8707623D0 (en) Rotary vane pump
GB8523310D0 (en) Positive-displacement rotary pump
GB2193762B (en) Vane pumps
EP0246482A3 (en) Vane pump
GB8427354D0 (en) Rotary pumps
EP0264778A3 (en) Vane pump
GB2197029B (en) Rotary pump
GB2169965B (en) Rotary vane pump
GB2159581B (en) Rotary pump
DE3661757D1 (en) Vane pump
GB8614492D0 (en) Vane pump
GB2192939B (en) Vane pump
EP0264749A3 (en) Sliding vane vacuum pump
DE3666969D1 (en) Rotary vane vacuum pump
GB8703898D0 (en) Rotary pump
DE3663721D1 (en) Rotary vane vacuum pump
EP0255920A3 (en) Vane vacuum pump
GB8617843D0 (en) Rotary vacuum pumps
GB8600289D0 (en) Rotary vane pump
DE3663720D1 (en) Rotary vane pump

Legal Events

Date Code Title Description
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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE CH DE ES FR GB IT LI SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE CH DE ES FR GB IT LI SE

17P Request for examination filed

Effective date: 19871215

17Q First examination report despatched

Effective date: 19880610

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE ES FR GB IT LI SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19890531

Ref country code: BE

Effective date: 19890531

Ref country code: GB

Effective date: 19890531

Ref country code: FR

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19890531

Ref country code: SE

Effective date: 19890531

REF Corresponds to:

Ref document number: 3663721

Country of ref document: DE

Date of ref document: 19890706

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19890911

EN Fr: translation not filed
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19941028

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19951006

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19951031

Ref country code: CH

Effective date: 19951031

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19970701