FR2495701B1 - Pompe mecanique, notamment pour obtenir un vide pousse - Google Patents

Pompe mecanique, notamment pour obtenir un vide pousse

Info

Publication number
FR2495701B1
FR2495701B1 FR8122770A FR8122770A FR2495701B1 FR 2495701 B1 FR2495701 B1 FR 2495701B1 FR 8122770 A FR8122770 A FR 8122770A FR 8122770 A FR8122770 A FR 8122770A FR 2495701 B1 FR2495701 B1 FR 2495701B1
Authority
FR
France
Prior art keywords
obtaining
mechanical pump
thrust
vacuum
thrust vacuum
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
FR8122770A
Other languages
English (en)
French (fr)
Other versions
FR2495701A1 (fr
Inventor
Henryk Wycliffe
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.)
BOC Ltd Australia
Original Assignee
BOC Ltd Australia
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 BOC Ltd Australia filed Critical BOC Ltd Australia
Publication of FR2495701A1 publication Critical patent/FR2495701A1/fr
Application granted granted Critical
Publication of FR2495701B1 publication Critical patent/FR2495701B1/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
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
  • Rotary Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
FR8122770A 1980-12-05 1981-12-04 Pompe mecanique, notamment pour obtenir un vide pousse Expired FR2495701B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8039073A GB2088957B (en) 1980-12-05 1980-12-05 Rotary positive-displacement fluidmachines

Publications (2)

Publication Number Publication Date
FR2495701A1 FR2495701A1 (fr) 1982-06-11
FR2495701B1 true FR2495701B1 (fr) 1987-12-18

Family

ID=10517780

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8122770A Expired FR2495701B1 (fr) 1980-12-05 1981-12-04 Pompe mecanique, notamment pour obtenir un vide pousse

Country Status (4)

Country Link
JP (1) JPS57146093A (enrdf_load_stackoverflow)
DE (1) DE3147824C2 (enrdf_load_stackoverflow)
FR (1) FR2495701B1 (enrdf_load_stackoverflow)
GB (1) GB2088957B (enrdf_load_stackoverflow)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2111126A (en) * 1981-12-09 1983-06-29 British Oxygen Co Ltd Rotary positive-displacement fluid-machines
US4504201A (en) * 1982-11-22 1985-03-12 The Boc Group Plc Mechanical pumps
DE3463550D1 (en) * 1983-02-15 1987-06-11 Zimmermann Otto Rotary piston engine
DE3312117A1 (de) * 1983-04-02 1984-10-04 Leybold-Heraeus GmbH, 5000 Köln Zweiwellen-vakuumpumpe mit innerer verdichtung
JPS61252889A (ja) * 1985-04-23 1986-11-10 Anretsuto:Kk 多段式高圧用ル−ツブロワ−
GB8513684D0 (en) * 1985-05-30 1985-07-03 Boc Group Plc Mechanical pumps
GB2185288A (en) * 1986-01-11 1987-07-15 Fleming Thermodynamics Ltd Screw type compression and expansion machine
JPS6319090U (enrdf_load_stackoverflow) * 1986-07-23 1988-02-08
DE3786917D1 (de) * 1987-05-15 1993-09-09 Leybold Ag Ein- oder mehrstufige zweiwellenvakuumpumpe.
EP0290664B1 (de) * 1987-05-15 1991-12-27 Leybold Aktiengesellschaft Zweiwellenpumpe
EP0290662B1 (de) * 1987-05-15 1993-03-31 Leybold Aktiengesellschaft Zweiwellenvakuumpumpe mit Schöpfraum
JPS6477782A (en) * 1987-09-19 1989-03-23 Ebara Corp Rotary machine of roots type
JPH01247787A (ja) * 1988-02-29 1989-10-03 Leybold Ag 多段真空ポンプ
GB8808608D0 (en) * 1988-04-12 1988-05-11 Boc Group Plc Dry pump with booster
GB8809621D0 (en) * 1988-04-22 1988-05-25 Boc Group Plc Dry pump with closed loop filter
EP0448750B1 (de) 1990-03-27 1996-05-01 Leybold Aktiengesellschaft Mehrstufige trockenverdichtende Vakuumpumpe und Verfahren zu ihrem Betrieb
DE19503716C1 (de) * 1995-02-04 1996-03-28 K Busch Gmbh Druck & Vakuum Dr Zweiwellige Drehkolbenpumpe zur gleichzeitigen Erzeugung von Unterdruck und von Überdruck
DE19809957A1 (de) * 1998-03-07 1999-09-09 Pfeiffer Vacuum Gmbh Mehrwellenvakuumpumpe
JP2000170679A (ja) * 1998-12-04 2000-06-20 Toyota Autom Loom Works Ltd 多段ルーツポンプ及び多段ポンプ装置
GB9902083D0 (en) 1999-01-29 1999-03-24 Boc Group Plc Vacuum pump systems
JP3758550B2 (ja) * 2001-10-24 2006-03-22 アイシン精機株式会社 多段真空ポンプ
JP3941484B2 (ja) * 2001-12-03 2007-07-04 アイシン精機株式会社 多段式真空ポンプ
US6666666B1 (en) * 2002-05-28 2003-12-23 Denis Gilbert Multi-chamber positive displacement fluid device
DE202017001029U1 (de) * 2017-02-17 2018-05-18 Leybold Gmbh Mehrstufige Wälzkolbenpumpe
CN107420306B8 (zh) * 2017-09-13 2021-10-08 上海伊莱茨真空技术有限公司 三轴模块化干式真空泵
KR102254882B1 (ko) * 2020-06-01 2021-05-24 한국원자력연구원 유체 이송 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB596064A (en) * 1945-07-17 1947-12-24 Stothert & Pitt Ltd Improvements in or relating to rotary pumps
US1743583A (en) * 1927-04-18 1930-01-14 Wiltse Appliance Co Pump
AT140808B (de) * 1933-06-07 1935-02-25 Franz Dr Ing Heinl Maschine mit umlaufenden Kolben.
GB479199A (en) * 1936-08-01 1938-02-01 Edward Dodson Improvements in or connected with rotary pumps
GB877023A (en) * 1958-10-27 1961-09-13 Hidekuni Yokota Improvements in or relating to rotary fluid prime movers
GB1248032A (en) * 1967-09-21 1971-09-29 Edwards High Vacuum Int Ltd Rotary mechanical vacuum pumps of the intermeshing screw type
DE2007880A1 (de) * 1970-02-20 1971-09-02 Brown, Arthur Corning N Y (VStA) Rotationsverdrangungsmaschine
JPS47218U (enrdf_load_stackoverflow) * 1971-10-05 1972-05-22
JPS5267810A (en) * 1975-12-03 1977-06-04 Aisin Seiki Co Ltd High vacuum pump
JPS5518883Y2 (enrdf_load_stackoverflow) * 1976-09-09 1980-05-02
CH621854A5 (en) * 1977-06-06 1981-02-27 Balzers Hochvakuum Roots pump
JPS55144885U (enrdf_load_stackoverflow) * 1979-04-04 1980-10-17

Also Published As

Publication number Publication date
GB2088957B (en) 1984-12-12
JPH0433997B2 (enrdf_load_stackoverflow) 1992-06-04
DE3147824C2 (de) 1995-03-23
GB2088957A (en) 1982-06-16
JPS57146093A (en) 1982-09-09
FR2495701A1 (fr) 1982-06-11
DE3147824A1 (de) 1982-06-24

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