FR1119888A - Roots type high vacuum mechanical pump - Google Patents

Roots type high vacuum mechanical pump

Info

Publication number
FR1119888A
FR1119888A FR1119888DA FR1119888A FR 1119888 A FR1119888 A FR 1119888A FR 1119888D A FR1119888D A FR 1119888DA FR 1119888 A FR1119888 A FR 1119888A
Authority
FR
France
Prior art keywords
high vacuum
type high
mechanical pump
roots type
vacuum mechanical
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
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.)
WC Heraus GmbH and Co KG
Original Assignee
WC Heraus GmbH and Co KG
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 WC Heraus GmbH and Co KG filed Critical WC Heraus GmbH and Co KG
Application granted granted Critical
Publication of FR1119888A publication Critical patent/FR1119888A/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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high 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
    • 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
    • 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
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/0085—Prime movers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1119888D 1954-02-27 1955-02-22 Roots type high vacuum mechanical pump Expired FR1119888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1119888X 1954-02-27

Publications (1)

Publication Number Publication Date
FR1119888A true FR1119888A (en) 1956-06-26

Family

ID=7724497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1119888D Expired FR1119888A (en) 1954-02-27 1955-02-22 Roots type high vacuum mechanical pump

Country Status (1)

Country Link
FR (1) FR1119888A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239409B (en) * 1962-09-17 1967-04-27 Cem Comp Electro Mec Blower for nuclear power plants
EP0337681A2 (en) * 1988-04-12 1989-10-18 The BOC Group plc Vacuum pump systems
FR3118650A1 (en) * 2021-01-05 2022-07-08 Pfeiffer Vacuum Pumping stage and dry vacuum pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239409B (en) * 1962-09-17 1967-04-27 Cem Comp Electro Mec Blower for nuclear power plants
EP0337681A2 (en) * 1988-04-12 1989-10-18 The BOC Group plc Vacuum pump systems
EP0337681A3 (en) * 1988-04-12 1990-04-04 The Boc Group Plc Vacuum pump systems
FR3118650A1 (en) * 2021-01-05 2022-07-08 Pfeiffer Vacuum Pumping stage and dry vacuum pump
WO2022148670A1 (en) * 2021-01-05 2022-07-14 Pfeiffer Vacuum Pumping stage and dry vacuum pump

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