FR2650863A1 - Pompe a huile pour pompes a vide rotatives - Google Patents

Pompe a huile pour pompes a vide rotatives Download PDF

Info

Publication number
FR2650863A1
FR2650863A1 FR9010024A FR9010024A FR2650863A1 FR 2650863 A1 FR2650863 A1 FR 2650863A1 FR 9010024 A FR9010024 A FR 9010024A FR 9010024 A FR9010024 A FR 9010024A FR 2650863 A1 FR2650863 A1 FR 2650863A1
Authority
FR
France
Prior art keywords
width
pump
rotor
pump housing
cover
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.)
Pending
Application number
FR9010024A
Other languages
English (en)
French (fr)
Inventor
Katharina 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 FR2650863A1 publication Critical patent/FR2650863A1/fr
Pending 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)
FR9010024A 1989-08-09 1990-08-06 Pompe a huile pour pompes a vide rotatives Pending FR2650863A1 (fr)

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 (1)

Publication Number Publication Date
FR2650863A1 true FR2650863A1 (fr) 1991-02-15

Family

ID=5611489

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9010024A Pending FR2650863A1 (fr) 1989-08-09 1990-08-06 Pompe a huile pour pompes a vide rotatives

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

Family Cites Families (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
DE3863633D1 (de) * 1987-12-12 1991-08-14 Barmag Barmer Maschf Fluegelzellen-vakuumpumpe.

Also Published As

Publication number Publication date
SE9001407D0 (sv) 1990-04-20
DE4012223A1 (de) 1991-02-21
DD299393A7 (de) 1992-04-16
GB9015717D0 (en) 1990-09-05
SE9001407L (sv) 1991-02-10
GB2234784A (en) 1991-02-13

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