EP1936202A3 - Vacuum pump - Google Patents

Vacuum pump Download PDF

Info

Publication number
EP1936202A3
EP1936202A3 EP07022565.1A EP07022565A EP1936202A3 EP 1936202 A3 EP1936202 A3 EP 1936202A3 EP 07022565 A EP07022565 A EP 07022565A EP 1936202 A3 EP1936202 A3 EP 1936202A3
Authority
EP
European Patent Office
Prior art keywords
vacuum pump
housing
hood
housed
motor
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.)
Granted
Application number
EP07022565.1A
Other languages
German (de)
French (fr)
Other versions
EP1936202A2 (en
EP1936202B1 (en
Inventor
Gernot Bernhardt
Jürgen Wagner
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.)
Pfeiffer Vacuum GmbH
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
Publication of EP1936202A2 publication Critical patent/EP1936202A2/en
Publication of EP1936202A3 publication Critical patent/EP1936202A3/en
Application granted granted Critical
Publication of EP1936202B1 publication Critical patent/EP1936202B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/047—Cooling of electronic devices installed inside the pump housing, e.g. inverters
    • 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
    • F04C2220/00—Application
    • F04C2220/10—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
    • F04C2240/30—Casings or housings
    • 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
    • F04C2240/80—Other components
    • F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
  • Rotary Pumps (AREA)

Abstract

Die Erfindung betrifft eine Vakuumpumpe mit Gehäuse, in welchem Pumpsystem und Motor untergebracht sind und mit Gaseinlass und Gasauslass. Um einen Schutz vor der Berührung heißer Gehäuseflächen zu erreichen, schlägt die Erfindung vor, dass eine Haube das Gehäuse wenigstens teilweise umgibt.

Figure imgaf001
The invention relates to a vacuum pump with housing, in which pumping system and motor are housed and with gas inlet and gas outlet. In order to achieve protection against the contact of hot housing surfaces, the invention proposes that a hood at least partially surrounds the housing.
Figure imgaf001
EP07022565.1A 2006-12-13 2007-11-21 Vacuum pump Not-in-force EP1936202B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006058840.1A DE102006058840B4 (en) 2006-12-13 2006-12-13 Vacuum pump

Publications (3)

Publication Number Publication Date
EP1936202A2 EP1936202A2 (en) 2008-06-25
EP1936202A3 true EP1936202A3 (en) 2014-01-29
EP1936202B1 EP1936202B1 (en) 2018-09-12

Family

ID=39217910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07022565.1A Not-in-force EP1936202B1 (en) 2006-12-13 2007-11-21 Vacuum pump

Country Status (4)

Country Link
US (1) US20080145243A1 (en)
EP (1) EP1936202B1 (en)
JP (1) JP2008151125A (en)
DE (1) DE102006058840B4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2986821T3 (en) * 2013-04-19 2021-02-15 Ateliers Busch S A ROTARY VACUUM PUMP WITH SLAMES
EP4043733B1 (en) * 2022-06-17 2024-03-27 Pfeiffer Vacuum Technology AG Vacuum pump with separately controllable fans

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459116A1 (en) * 1990-05-29 1991-12-04 Leybold Aktiengesellschaft Silent vacuum pump
DE4038872A1 (en) * 1990-12-03 1992-06-04 Mannesmann Ag Air-cooled rotary exhauster or compressor - incorporates two=part sound dampening cowl leaving intervening space surrounding compressor housing
DE19849098A1 (en) * 1998-10-24 2000-04-27 Leybold Vakuum Gmbh Excentric screw pump for gases as vacuum pump uses one-turn inner rotor rotating without contact inside housing rotor within scoop space.
WO2003042542A1 (en) * 2001-11-15 2003-05-22 Leybold Vakuum Gmbh Tempering method for a screw-type vacuum pump

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476041A (en) * 1946-03-15 1949-07-12 Singer Mfg Co Air blower lubrication
US4283167A (en) * 1979-04-26 1981-08-11 Varian Associates, Inc. Cooling structure for an oil sealed rotary vacuum pump
DE3112591C2 (en) * 1981-03-30 1983-12-29 Nixdorf Computer Ag, 4790 Paderborn Sound-insulating, closed device housing
US4523897A (en) * 1982-06-11 1985-06-18 Robinair Division Two stage vacuum pump
DE3225258C2 (en) * 1982-07-06 1985-11-28 Guido Oberdorfer Wap-Maschinen, 7919 Bellenberg Vacuum cleaner
US4631006A (en) * 1985-02-19 1986-12-23 Robinair Division Compact vacuum pump
US4651380A (en) * 1985-03-01 1987-03-24 Rug Doctor, Inc. Portable vacuum cleaning machine
DE8902932U1 (en) * 1989-03-10 1989-05-24 Uraca Pumpenfabrik Gmbh & Co Kg, 7432 Bad Urach, De
JP2837101B2 (en) * 1994-11-04 1998-12-14 ファナック株式会社 Air-cooled motor
JP2000297445A (en) * 1999-04-13 2000-10-24 San-Ei Faucet Mfg Co Ltd Faucet with sound insulation function
JP2003247581A (en) * 2002-02-27 2003-09-05 Gomuno Inaki Kk Soundproof cover structure
US7674096B2 (en) * 2004-09-22 2010-03-09 Sundheim Gregroy S Portable, rotary vane vacuum pump with removable oil reservoir cartridge
US7533685B2 (en) * 2005-01-28 2009-05-19 Agilent Technologies, Inc. Lubricant collection apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459116A1 (en) * 1990-05-29 1991-12-04 Leybold Aktiengesellschaft Silent vacuum pump
DE4038872A1 (en) * 1990-12-03 1992-06-04 Mannesmann Ag Air-cooled rotary exhauster or compressor - incorporates two=part sound dampening cowl leaving intervening space surrounding compressor housing
DE19849098A1 (en) * 1998-10-24 2000-04-27 Leybold Vakuum Gmbh Excentric screw pump for gases as vacuum pump uses one-turn inner rotor rotating without contact inside housing rotor within scoop space.
WO2003042542A1 (en) * 2001-11-15 2003-05-22 Leybold Vakuum Gmbh Tempering method for a screw-type vacuum pump

Also Published As

Publication number Publication date
DE102006058840A1 (en) 2008-06-19
DE102006058840B4 (en) 2021-01-14
US20080145243A1 (en) 2008-06-19
EP1936202A2 (en) 2008-06-25
EP1936202B1 (en) 2018-09-12
JP2008151125A (en) 2008-07-03

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