FR2249251B1 - - Google Patents

Info

Publication number
FR2249251B1
FR2249251B1 FR7436184A FR7436184A FR2249251B1 FR 2249251 B1 FR2249251 B1 FR 2249251B1 FR 7436184 A FR7436184 A FR 7436184A FR 7436184 A FR7436184 A FR 7436184A FR 2249251 B1 FR2249251 B1 FR 2249251B1
Authority
FR
France
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
Application number
FR7436184A
Other versions
FR2249251A1 (fr
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.)
Balzers und Leybold Deutschland Holding AG
Original Assignee
Leybold Heraeus 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 Leybold Heraeus GmbH filed Critical Leybold Heraeus GmbH
Publication of FR2249251A1 publication Critical patent/FR2249251A1/fr
Application granted granted Critical
Publication of FR2249251B1 publication Critical patent/FR2249251B1/fr
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
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0042Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/005Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • 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
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-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
    • F04C18/34Rotary-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
    • F04C18/344Rotary-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
    • 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
    • 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
    • F04C25/00Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR7436184A 1973-10-29 1974-10-29 Expired FR2249251B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732354039 DE2354039A1 (de) 1973-10-29 1973-10-29 Drehschieberpumpe

Publications (2)

Publication Number Publication Date
FR2249251A1 FR2249251A1 (fr) 1975-05-23
FR2249251B1 true FR2249251B1 (fr) 1980-02-22

Family

ID=5896680

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436184A Expired FR2249251B1 (fr) 1973-10-29 1974-10-29

Country Status (7)

Country Link
CH (1) CH590408A5 (fr)
CS (1) CS182821B2 (fr)
DD (1) DD112812A5 (fr)
DE (1) DE2354039A1 (fr)
FR (1) FR2249251B1 (fr)
GB (1) GB1454014A (fr)
HU (1) HU170590B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420190A1 (de) * 1984-05-30 1985-12-05 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Oelgedichtete rotationsvakuumpumpe
EP0264749B1 (fr) * 1986-10-18 1990-05-09 B a r m a g AG Pompe à vide à palettes
DD256171A1 (de) * 1986-12-24 1988-04-27 Medizin Labortechnik Veb K Drehschiebervakuumpumpe
DE4017191A1 (de) * 1990-05-29 1991-12-05 Leybold Ag Verfahren zur oelversorgung einer zweistufigen drehschiebervakuumpumpe und fuer die durchfuehrung dieses verfahrens geeignete drehschiebervakuumpumpe
DE4017192A1 (de) * 1990-05-29 1991-12-05 Leybold Ag Verfahren zur herstellung eines pumpenringes fuer eine zweistufige vakuumpumpe sowie mit einem derartigen pumpenring ausgeruestete vakuumpumpe
DE9007544U1 (de) * 1990-05-29 1992-08-13 Leybold AG, 6450 Hanau Drehschiebervakuumpumpe
DE4238271A1 (de) * 1992-11-13 1994-05-19 Leybold Ag Zweiwellenvakuumpumpe
DE4325285A1 (de) * 1993-07-28 1995-02-02 Leybold Ag Ölgedichtete Vakuumpumpe
DE4325284A1 (de) * 1993-07-28 1995-02-02 Leybold Ag Gehäuse für eine zweistufige Drehschiebervakuumpumpe
DE4325286A1 (de) * 1993-07-28 1995-02-02 Leybold Ag Zweistufige Drehschiebervakuumpumpe
DE4439637A1 (de) * 1994-11-07 1996-05-09 Balzers Pfeiffer Gmbh Mehrstufige Drehschiebervakuumpumpe
JPH1054382A (ja) * 1996-08-14 1998-02-24 Mitsubishi Electric Corp ベーン式真空ポンプ
IT1402417B1 (it) * 2010-10-26 2013-09-04 O M P Officine Mazzocco Pagnoni S R L Pompa monopaletta
CN108571448B (zh) * 2018-04-12 2019-11-19 深圳市嘉铭诚精密技术有限公司 一种小体积无油雾真空泵

Also Published As

Publication number Publication date
GB1454014A (en) 1976-10-27
DD112812A5 (fr) 1975-05-05
FR2249251A1 (fr) 1975-05-23
DE2354039A1 (de) 1975-05-07
CS182821B2 (en) 1978-05-31
CH590408A5 (fr) 1977-08-15
HU170590B (fr) 1977-07-28

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