ATE453801T1 - Vakuumpumpe mit zwei schraubenförmigen rotoren - Google Patents

Vakuumpumpe mit zwei schraubenförmigen rotoren

Info

Publication number
ATE453801T1
ATE453801T1 AT08165208T AT08165208T ATE453801T1 AT E453801 T1 ATE453801 T1 AT E453801T1 AT 08165208 T AT08165208 T AT 08165208T AT 08165208 T AT08165208 T AT 08165208T AT E453801 T1 ATE453801 T1 AT E453801T1
Authority
AT
Austria
Prior art keywords
rotors
screw
vacuum pump
shaped rotors
transverse end
Prior art date
Application number
AT08165208T
Other languages
English (en)
Inventor
Benoit Barthod
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Application granted granted Critical
Publication of ATE453801T1 publication Critical patent/ATE453801T1/de

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
    • 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
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • F04C2240/402—Plurality of electronically synchronised motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
AT08165208T 2007-09-26 2008-09-26 Vakuumpumpe mit zwei schraubenförmigen rotoren ATE453801T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0757858A FR2921444A1 (fr) 2007-09-26 2007-09-26 Pompe a vide a deux rotors helicoidaux.

Publications (1)

Publication Number Publication Date
ATE453801T1 true ATE453801T1 (de) 2010-01-15

Family

ID=39387205

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08165208T ATE453801T1 (de) 2007-09-26 2008-09-26 Vakuumpumpe mit zwei schraubenförmigen rotoren

Country Status (8)

Country Link
EP (1) EP2042739B1 (de)
JP (1) JP2010540824A (de)
KR (1) KR20100072289A (de)
CN (1) CN101809290A (de)
AT (1) ATE453801T1 (de)
DE (1) DE602008000482D1 (de)
FR (1) FR2921444A1 (de)
WO (1) WO2009040412A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062046B (zh) * 2013-01-07 2016-01-20 艾迪机器(杭州)有限公司 扭曲式转子泵
DE102013112704B4 (de) 2013-11-18 2022-01-13 Pfeiffer Vacuum Gmbh Gehäuse für eine Wälzkolbenpumpe
CN108953177B (zh) * 2018-07-27 2020-03-31 东北大学 一种用于提高涡轮分子泵抽气速率的过渡结构
FR3103862B1 (fr) * 2019-12-03 2021-12-03 Pfeiffer Vacuum Rotor et pompe à vide sèche multiétagée
WO2021110257A1 (en) * 2019-12-04 2021-06-10 Ateliers Busch Sa Redundant pumping system and pumping method by means of this pumping system
FR3118650B1 (fr) 2021-01-05 2023-03-24 Pfeiffer Vacuum Etage de pompage et pompe à vide sèche
GB2607936A (en) * 2021-06-17 2022-12-21 Edwards Ltd Screw-type vacuum pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB809443A (en) * 1954-02-27 1959-02-25 Heraeus Gmbh W C Improvements in or relating to rotary high-vacuum pumps
US5118268A (en) * 1991-06-19 1992-06-02 Eaton Corporation Trapped volume vent means with restricted flow passages for meshing lobes of roots-type supercharger
DE19522557A1 (de) * 1995-06-21 1997-01-02 Sihi Ind Consult Gmbh Drehkolbenverdichter, insbesondere Vakuumpumpe
DE19522551C2 (de) * 1995-06-21 2000-05-18 Sterling Ind Consult Gmbh Zweiwellen-Verdrängermaschine
US6129534A (en) * 1999-06-16 2000-10-10 The Boc Group Plc Vacuum pumps
FR2854667B1 (fr) 2003-05-09 2006-07-28 Cit Alcatel Controle de pression dans la chambre de procedes par variation de vitesse de pompes, vanne de regulation et injection de gaz neutre
DE102005017575A1 (de) * 2004-08-05 2006-03-16 Börger GmbH Drehkolbenpumpe mit einem Pumpengehäuse und zwei zweiflügeligen Drehkolben

Also Published As

Publication number Publication date
EP2042739B1 (de) 2009-12-30
JP2010540824A (ja) 2010-12-24
EP2042739A1 (de) 2009-04-01
DE602008000482D1 (de) 2010-02-11
CN101809290A (zh) 2010-08-18
FR2921444A1 (fr) 2009-03-27
KR20100072289A (ko) 2010-06-30
WO2009040412A1 (fr) 2009-04-02

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Legal Events

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