ATE278110T1 - Mehrwellenvakuumpumpe - Google Patents

Mehrwellenvakuumpumpe

Info

Publication number
ATE278110T1
ATE278110T1 AT99101291T AT99101291T ATE278110T1 AT E278110 T1 ATE278110 T1 AT E278110T1 AT 99101291 T AT99101291 T AT 99101291T AT 99101291 T AT99101291 T AT 99101291T AT E278110 T1 ATE278110 T1 AT E278110T1
Authority
AT
Austria
Prior art keywords
rotor
rotors
parts
vacuum pump
bell
Prior art date
Application number
AT99101291T
Other languages
English (en)
Inventor
Christopher Mark Rippl
Original Assignee
Pfeiffer Vacuum 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 Pfeiffer Vacuum Gmbh filed Critical Pfeiffer Vacuum Gmbh
Application granted granted Critical
Publication of ATE278110T1 publication Critical patent/ATE278110T1/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
    • 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
    • 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
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C27/009—Shaft sealings specially adapted for pumps
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/023—Lubricant distribution through a hollow driving shaft
    • 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
    • F04C29/04—Heating; Cooling; Heat insulation

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)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
AT99101291T 1998-03-07 1999-01-25 Mehrwellenvakuumpumpe ATE278110T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19809957A DE19809957A1 (de) 1998-03-07 1998-03-07 Mehrwellenvakuumpumpe

Publications (1)

Publication Number Publication Date
ATE278110T1 true ATE278110T1 (de) 2004-10-15

Family

ID=7860157

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99101291T ATE278110T1 (de) 1998-03-07 1999-01-25 Mehrwellenvakuumpumpe

Country Status (5)

Country Link
US (1) US6241490B1 (de)
EP (1) EP0942172B1 (de)
JP (1) JP4282809B2 (de)
AT (1) ATE278110T1 (de)
DE (2) DE19809957A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6729863B2 (en) * 1999-03-22 2004-05-04 Werner Rietschle Gmbh & Co. Kg Rotary pump having high and low pressure ports in the housing cover
US20050095160A1 (en) * 2003-10-29 2005-05-05 Heng-I Lin Pump
US20140161655A1 (en) * 2011-07-08 2014-06-12 Edward L. Simonds Pump
JP6418838B2 (ja) * 2014-07-31 2018-11-07 エドワーズ株式会社 ドライポンプ及び排ガス処理方法
WO2018185730A1 (en) 2017-04-07 2018-10-11 Stackpole International Engineered Products, Ltd. Epitrochoidal vacuum pump
DE102018001519A1 (de) * 2018-02-27 2019-08-29 Ralf Steffens Lagerung und Antrieb für einen R718-Verdichter
WO2019210053A1 (en) 2018-04-27 2019-10-31 Carrier Corporation Screw compressor with external motor rotor
KR102453438B1 (ko) * 2020-06-15 2022-10-12 주식회사 한중엔시에스 리저버 일체형 진공 펌프

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB809445A (en) * 1954-02-27 1959-02-25 Heraeus Gmbh W C Improvements in or relating to rotary high vacuum pumps
DE2359456A1 (de) * 1973-11-29 1975-06-05 Leybold Heraeus Gmbh & Co Kg Turbomolekularvakuumpumpe mit gasgelagertem rotor
GB2088957B (en) * 1980-12-05 1984-12-12 Boc Ltd Rotary positive-displacement fluidmachines
SE424760B (sv) * 1980-12-12 1982-08-09 Sullair Tech Ab Forfarande vid en oljeinsprutad skruvkompressor for balansering av axialkrafter hos atminstone en av kompressorns rotorer, for tetning av spalterna mellan rotorhus och rotorernas axlar, samt for kylning och smorjning ..
US4551073A (en) * 1982-05-12 1985-11-05 Walter Schwab Pump for liquid and gaseous fluids, especially blood
US4457680A (en) * 1983-04-27 1984-07-03 Paget Win W Rotary compressor
JPS62243982A (ja) * 1986-04-14 1987-10-24 Hitachi Ltd ２段型真空ポンプ装置およびその運転方法
EP0408792B1 (de) * 1989-07-20 1993-09-29 Leybold Aktiengesellschaft Gasreibungspumpe mit mindestens einer auslassseitigen Gewindestufe
DE69132867T2 (de) * 1990-08-01 2002-09-12 Matsushita Electric Industrial Co., Ltd. Drehkolbenanlage für flüssige Medien
FR2668209B1 (fr) * 1990-10-18 1994-11-18 Hitachi Koki Kk Pompe d'aspiration moleculaire.
DE4238271A1 (de) * 1992-11-13 1994-05-19 Leybold Ag Zweiwellenvakuumpumpe
DE4244063A1 (de) * 1992-12-24 1994-06-30 Balzers Pfeiffer Gmbh Wälzkolben-Vakuumpumpe
US5346361A (en) * 1993-04-15 1994-09-13 Goulds Pumps, Incorporated Air seal for pump with vertical shaft
JPH0828471A (ja) * 1994-07-11 1996-01-30 Matsushita Electric Ind Co Ltd 容積型ポンプ
BE1010822A3 (nl) * 1996-12-23 1999-02-02 Atlas Copco Airpower Nv Machine met gelagerde rotoren en vloeistofsmering van de lagers.

Also Published As

Publication number Publication date
EP0942172B1 (de) 2004-09-29
JPH11294358A (ja) 1999-10-26
EP0942172A1 (de) 1999-09-15
DE19809957A1 (de) 1999-09-09
DE59910616D1 (de) 2004-11-04
US6241490B1 (en) 2001-06-05
JP4282809B2 (ja) 2009-06-24

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee