CH420471A - Zweistufige Drehschieber-Ölluftpumpe - Google Patents

Zweistufige Drehschieber-Ölluftpumpe

Info

Publication number
CH420471A
CH420471A CH1486864A CH1486864A CH420471A CH 420471 A CH420471 A CH 420471A CH 1486864 A CH1486864 A CH 1486864A CH 1486864 A CH1486864 A CH 1486864A CH 420471 A CH420471 A CH 420471A
Authority
CH
Switzerland
Prior art keywords
air pump
rotary vane
stage rotary
oil air
vane oil
Prior art date
Application number
CH1486864A
Other languages
English (en)
Inventor
Shrbeny Pavel
Original Assignee
Lab Pristroje Narodni Podnik
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 Lab Pristroje Narodni Podnik filed Critical Lab Pristroje Narodni Podnik
Publication of CH420471A publication Critical patent/CH420471A/de

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
    • F04C23/00—Combinations 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
    • F04C23/001—Combinations 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
    • 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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • 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
    • 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
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
CH1486864A 1963-11-28 1964-11-18 Zweistufige Drehschieber-Ölluftpumpe CH420471A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS657463 1963-11-28

Publications (1)

Publication Number Publication Date
CH420471A true CH420471A (de) 1966-09-15

Family

ID=5413127

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1486864A CH420471A (de) 1963-11-28 1964-11-18 Zweistufige Drehschieber-Ölluftpumpe

Country Status (3)

Country Link
CH (1) CH420471A (de)
DE (1) DE1428179A1 (de)
GB (1) GB1041898A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139232A1 (de) * 1981-10-02 1983-04-21 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Kupplungsanordnung fuer 2-stufige drehschieberpumpen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105626532B (zh) * 2014-10-30 2017-07-04 上海汽车集团股份有限公司 真空泵

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139232A1 (de) * 1981-10-02 1983-04-21 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Kupplungsanordnung fuer 2-stufige drehschieberpumpen

Also Published As

Publication number Publication date
DE1428179A1 (de) 1970-02-12
GB1041898A (en) 1966-09-07

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