CH473985A - Multi-stage vacuum pump device with rotary piston - Google Patents

Multi-stage vacuum pump device with rotary piston

Info

Publication number
CH473985A
CH473985A CH631167A CH631167A CH473985A CH 473985 A CH473985 A CH 473985A CH 631167 A CH631167 A CH 631167A CH 631167 A CH631167 A CH 631167A CH 473985 A CH473985 A CH 473985A
Authority
CH
Switzerland
Prior art keywords
vacuum pump
pump device
rotary piston
stage vacuum
stage
Prior art date
Application number
CH631167A
Other languages
German (de)
Inventor
Buerger Herbert
Original Assignee
Brand Fa Rudolf
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 Brand Fa Rudolf filed Critical Brand Fa Rudolf
Publication of CH473985A publication Critical patent/CH473985A/en

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
    • 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
    • F04C18/32—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 both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members
    • F04C18/322—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 both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members with vanes hinged to the outer member and reciprocating with respect to the outer 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
CH631167A 1966-05-06 1967-05-03 Multi-stage vacuum pump device with rotary piston CH473985A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0087001 1966-05-06

Publications (1)

Publication Number Publication Date
CH473985A true CH473985A (en) 1969-06-15

Family

ID=6983610

Family Applications (1)

Application Number Title Priority Date Filing Date
CH631167A CH473985A (en) 1966-05-06 1967-05-03 Multi-stage vacuum pump device with rotary piston

Country Status (4)

Country Link
AT (1) AT281264B (en)
CH (1) CH473985A (en)
DE (1) DE1628208A1 (en)
GB (1) GB1178265A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3782868A (en) * 1971-11-26 1974-01-01 Componetrol Rotary vane pump
JP2768004B2 (en) * 1990-11-21 1998-06-25 松下電器産業株式会社 Rotary multi-stage gas compressor
ATE409810T1 (en) 2006-03-24 2008-10-15 Handtmann Albert Maschf VANE PUMP
US11680566B2 (en) * 2020-06-22 2023-06-20 Pinnacle Climate Technologies, Inc. Rotary vane pump

Also Published As

Publication number Publication date
DE1628208A1 (en) 1970-07-30
AT281264B (en) 1970-05-11
GB1178265A (en) 1970-01-21

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Legal Events

Date Code Title Description
PL Patent ceased