FR1558930A - - Google Patents

Info

Publication number
FR1558930A
FR1558930A FR1558930DA FR1558930A FR 1558930 A FR1558930 A FR 1558930A FR 1558930D A FR1558930D A FR 1558930DA FR 1558930 A FR1558930 A FR 1558930A
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
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 filed Critical
Application granted granted Critical
Publication of FR1558930A publication Critical patent/FR1558930A/fr
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
    • F04C18/30—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
    • F04C18/3441—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C18/3442—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the inlet and outlet opening
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
    • 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

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)
FR1558930D 1966-08-20 1967-08-18 Expired FR1558930A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0054361 1966-08-20

Publications (1)

Publication Number Publication Date
FR1558930A true FR1558930A (fr) 1969-03-07

Family

ID=7276098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1558930D Expired FR1558930A (fr) 1966-08-20 1967-08-18

Country Status (3)

Country Link
US (1) US3438570A (fr)
DE (1) DE1628313A1 (fr)
FR (1) FR1558930A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545888A (en) * 1968-09-16 1970-12-08 Edwards High Vacuum Int Ltd Multistage rotary pumps
US3525578A (en) * 1968-11-29 1970-08-25 Precision Scient Co Vacuum pump
US3535058A (en) * 1969-01-02 1970-10-20 Verbol J Devine Method and apparatus for compressing a fluid
JPS5163506U (fr) * 1974-11-15 1976-05-19
JPS5343209U (fr) * 1977-09-01 1978-04-13
US4415319A (en) * 1981-08-11 1983-11-15 Jidosha Kiki Co., Ltd. Pump unit
DE3603809A1 (de) * 1986-02-07 1987-08-13 Provac Gmbh & Co Zweistufige drehschieber-vakuumpumpe
JPH06185482A (ja) * 1992-12-22 1994-07-05 Nippon Soken Inc ベーン型圧縮機
DE102005008887A1 (de) * 2005-02-26 2006-08-31 Leybold Vacuum Gmbh Einwellige Vakuum-Verdränderpumpe
DE102006058839A1 (de) * 2006-12-13 2008-06-19 Pfeiffer Vacuum Gmbh Schmiermittelgedichtete Drehschiebervakuumpumpe
GB2535187A (en) * 2015-02-11 2016-08-17 Flybrid Automotive Ltd Vacuum pump system
CN108291543A (zh) * 2015-10-02 2018-07-17 莱宝有限公司 多级旋转叶片泵
GB2627494A (en) * 2023-02-24 2024-08-28 Edwards Ltd Multistage rotary vane vacuum pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1056859A (en) * 1911-07-03 1913-03-25 Lee S Smith & Son Company Compression and suction machine.
US2147194A (en) * 1935-12-02 1939-02-14 Harry F Langlois Rotary vacuum pump
US2126247A (en) * 1937-03-17 1938-08-09 Fuller Co Air compressor
US2150122A (en) * 1937-03-20 1939-03-07 Allis Chalmers Mfg Co Sliding vane compressor
GB809443A (en) * 1954-02-27 1959-02-25 Heraeus Gmbh W C Improvements in or relating to rotary high-vacuum pumps
US2902210A (en) * 1955-08-15 1959-09-01 Edwards High Vacuum Ltd Multi-stage mechanical vacuum pumps
US2824687A (en) * 1955-10-26 1958-02-25 Westinghouse Air Brake Co Rotary compressor
US2877947A (en) * 1956-11-29 1959-03-17 Central Scient Co Vacuum pump
FR1236343A (fr) * 1958-09-24 1960-07-15 Heraeus Gmbh W C Pompe à vide à piston rotatif dont le piston rendu étanche par de l'huile est disposé excentriquement sur un axe
US3081936A (en) * 1958-12-02 1963-03-19 Prec Scient Company Check valve for vacuum pump
DE1293388B (de) * 1960-12-08 1969-04-24 Buerger Herbert Drehkolbenvakuumpumpe mit oelgedichtetem Gehaeuse und vertikaler Anordnung des Rotors und der Welle
US3371857A (en) * 1965-10-24 1968-03-05 Prec Scient Company Multistage vacuum pump

Also Published As

Publication number Publication date
US3438570A (en) 1969-04-15
DE1628313A1 (de) 1971-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse