GB2234784A - Oil pump for rotating vacuum pumps - Google Patents

Oil pump for rotating vacuum pumps Download PDF

Info

Publication number
GB2234784A
GB2234784A GB9015717A GB9015717A GB2234784A GB 2234784 A GB2234784 A GB 2234784A GB 9015717 A GB9015717 A GB 9015717A GB 9015717 A GB9015717 A GB 9015717A GB 2234784 A GB2234784 A GB 2234784A
Authority
GB
United Kingdom
Prior art keywords
rotor
oil pump
bore
sliding vane
width
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.)
Withdrawn
Application number
GB9015717A
Other languages
English (en)
Other versions
GB9015717D0 (en
Inventor
Katherina Koterewa
Zwetko Zwetkow
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.)
Medizin und Labortechnik Leipzig VEB
Original Assignee
Medizin und Labortechnik Leipzig VEB
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 Medizin und Labortechnik Leipzig VEB filed Critical Medizin und Labortechnik Leipzig VEB
Publication of GB9015717D0 publication Critical patent/GB9015717D0/en
Publication of GB2234784A publication Critical patent/GB2234784A/en
Withdrawn legal-status Critical Current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
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
GB9015717A 1989-08-09 1990-07-17 Oil pump for rotating vacuum pumps Withdrawn GB2234784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD33159489A DD299393A7 (de) 1989-08-09 1989-08-09 Oelpumpe fuer rotierende vakuumpumpen

Publications (2)

Publication Number Publication Date
GB9015717D0 GB9015717D0 (en) 1990-09-05
GB2234784A true GB2234784A (en) 1991-02-13

Family

ID=5611489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9015717A Withdrawn GB2234784A (en) 1989-08-09 1990-07-17 Oil pump for rotating vacuum pumps

Country Status (5)

Country Link
DD (1) DD299393A7 (de)
DE (1) DE4012223A1 (de)
FR (1) FR2650863A1 (de)
GB (1) GB2234784A (de)
SE (1) SE9001407L (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325286A1 (de) * 1993-07-28 1995-02-02 Leybold Ag Zweistufige Drehschiebervakuumpumpe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451220A (en) * 1980-10-16 1984-05-29 Nippon Soken, Inc. Rotary compressor with clearance between movable vanes and slits of the rotor
EP0320795A2 (de) * 1987-12-12 1989-06-21 Barmag Ag Flügelzellen-Vakuumpumpe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451220A (en) * 1980-10-16 1984-05-29 Nippon Soken, Inc. Rotary compressor with clearance between movable vanes and slits of the rotor
EP0320795A2 (de) * 1987-12-12 1989-06-21 Barmag Ag Flügelzellen-Vakuumpumpe

Also Published As

Publication number Publication date
DD299393A7 (de) 1992-04-16
GB9015717D0 (en) 1990-09-05
FR2650863A1 (fr) 1991-02-15
SE9001407L (sv) 1991-02-10
DE4012223A1 (de) 1991-02-21
SE9001407D0 (sv) 1990-04-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)