FR1539590A - Rotary piston vacuum pump - Google Patents

Rotary piston vacuum pump

Info

Publication number
FR1539590A
FR1539590A FR123630A FR123630A FR1539590A FR 1539590 A FR1539590 A FR 1539590A FR 123630 A FR123630 A FR 123630A FR 123630 A FR123630 A FR 123630A FR 1539590 A FR1539590 A FR 1539590A
Authority
FR
France
Prior art keywords
vacuum pump
rotary piston
piston vacuum
rotary
pump
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.)
Expired
Application number
FR123630A
Other languages
French (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
Priority to FR123630A priority Critical patent/FR1539590A/en
Application granted granted Critical
Publication of FR1539590A publication Critical patent/FR1539590A/en
Expired 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/22—Rotary-piston pumps specially adapted for elastic fluids of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth equivalents than 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR123630A 1966-10-07 1967-10-06 Rotary piston vacuum pump Expired FR1539590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR123630A FR1539590A (en) 1966-10-07 1967-10-06 Rotary piston vacuum pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEH0060679 1966-10-07
FR123630A FR1539590A (en) 1966-10-07 1967-10-06 Rotary piston vacuum pump

Publications (1)

Publication Number Publication Date
FR1539590A true FR1539590A (en) 1968-09-13

Family

ID=25980519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR123630A Expired FR1539590A (en) 1966-10-07 1967-10-06 Rotary piston vacuum pump

Country Status (1)

Country Link
FR (1) FR1539590A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2014499A1 (en) * 1970-03-25 1971-10-14 Allen, Clifford Harry, Chesterland Ohio (V St A ) Pipe feed pump with screw conveyor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2014499A1 (en) * 1970-03-25 1971-10-14 Allen, Clifford Harry, Chesterland Ohio (V St A ) Pipe feed pump with screw conveyor

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