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EP3536961A3 - Sealing element vacuum pump - Google Patents

Sealing element vacuum pump Download PDF

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Publication number
EP3536961A3
EP3536961A3 EP19161064.1A EP19161064A EP3536961A3 EP 3536961 A3 EP3536961 A3 EP 3536961A3 EP 19161064 A EP19161064 A EP 19161064A EP 3536961 A3 EP3536961 A3 EP 3536961A3
Authority
EP
European Patent Office
Prior art keywords
sealing element
vacuum pump
rotor
delivery
pump
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
EP19161064.1A
Other languages
German (de)
French (fr)
Other versions
EP3536961A2 (en
EP3536961B1 (en
EP3536961C0 (en
Inventor
Roman Ickert
Stefan Küchle
Volker Stöhr
Tobias Iser
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive 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 Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Publication of EP3536961A2 publication Critical patent/EP3536961A2/en
Publication of EP3536961A3 publication Critical patent/EP3536961A3/en
Application granted granted Critical
Publication of EP3536961B1 publication Critical patent/EP3536961B1/en
Publication of EP3536961C0 publication Critical patent/EP3536961C0/en
Active 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid
    • F04C27/006—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0007—Radial sealings for working fluid
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
    • 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
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/001—Radial sealings for working fluid
    • 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
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C29/0071—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and 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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • 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
    • F04C2240/50—Bearings
    • 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
    • F04C2240/60—Shafts
    • F04C2240/605—Shaft sleeves or details thereof
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/17—Tolerance; Play; Gap

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

Rotationspumpe, bevorzugt eine Vakuumpumpe, mit einem Förderraum (21), der einen Einlass auf einer Niederdruckseite und einen Auslass auf einer Hochdruckseite der Pumpe (2) aufweist, einem Rotor (22), der in dem Förderraum (21) angeordnet ist und ein Fluid von dem Einlass in den Förderraum (21) zu dem Auslass aus dem Förderraum (21) fördert, wenigstens einem den Förderraum (21) zumindest axial begrenzenden Gehäuseteil (23, 24) und einer Antriebswelle (3), die antriebstechnisch mit dem Rotor (22) verbunden ist, die wenigstens ein verschiebe- und/oder drehfest mit der Antriebswelle (3) und/oder dem Rotor (22) verbundenes Dichtelement (26, 27) umfasst, das mit dem Gehäuseteil (23, 24) einen radialen Dichtspalt (SD) bildet.

Figure imgaf001
A rotary pump, preferably a vacuum pump, having a delivery space (21) having an inlet on a low pressure side and an outlet on a high pressure side of the pump (2), a rotor (22) disposed in the delivery space (21) and a fluid from the inlet into the delivery chamber (21) to the outlet from the delivery chamber (21) promotes at least one housing part (23, 24) at least axially delimiting the delivery space (21) and a drive shaft (3), the drive technology with the rotor (22 ) is connected, which comprises at least one non-rotatably and / or rotationally fixed to the drive shaft (3) and / or the rotor (22) connected sealing element (26, 27) with the housing part (23, 24) has a radial sealing gap (S D ) forms.
Figure imgaf001
EP19161064.1A 2018-03-06 2019-03-06 Sealing element vacuum pump Active EP3536961B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018105142.5A DE102018105142A1 (en) 2018-03-06 2018-03-06 Sealing element vacuum pump

Publications (4)

Publication Number Publication Date
EP3536961A2 EP3536961A2 (en) 2019-09-11
EP3536961A3 true EP3536961A3 (en) 2019-12-04
EP3536961B1 EP3536961B1 (en) 2024-05-01
EP3536961C0 EP3536961C0 (en) 2024-05-01

Family

ID=65717917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19161064.1A Active EP3536961B1 (en) 2018-03-06 2019-03-06 Sealing element vacuum pump

Country Status (4)

Country Link
US (1) US11286929B2 (en)
EP (1) EP3536961B1 (en)
CN (1) CN110230596B (en)
DE (1) DE102018105142A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565558A (en) * 1969-01-31 1971-02-23 Airborne Mfg Co Rotary pump with sliding vanes
DE202009010890U1 (en) * 2009-08-10 2009-12-03 Joma-Polytec Kunststofftechnik Gmbh vacuum pump
DE102015216104B3 (en) * 2015-08-24 2016-12-29 Magna Powertrain Bad Homburg GmbH Vacuum pump in lightweight construction

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719135A (en) * 1923-02-10 1929-07-02 Rotary Machine & Engineering C Rotary pump
US2439258A (en) * 1942-12-05 1948-04-06 Gen Electric Vacuum pump
US2929550A (en) * 1955-03-04 1960-03-22 N G N Electrical Ltd Rotary pumps and valves therefor
US2935023A (en) * 1957-09-23 1960-05-03 Gen Motors Corp Steering and air compressor lubrication system
US3237851A (en) * 1964-07-22 1966-03-01 Cenco Instr Corp Mechanical vacuum pump
US3695789A (en) * 1970-04-13 1972-10-03 Case Co J I Balancing mechanism for fluid translating device
US3778192A (en) * 1972-04-07 1973-12-11 Davey Compressor Method and apparatus for unloading a rotary compressor
JPS49146395U (en) * 1973-04-16 1974-12-17
JPS54158706A (en) * 1978-06-06 1979-12-14 Nippon Piston Ring Co Ltd Rotary type fluid-handling pump
JPS59145384A (en) * 1983-02-08 1984-08-20 Nippon Soken Inc Automotive auxiliary equipment
DE3366576D1 (en) * 1983-06-18 1986-11-06 Vickers Systems Gmbh Double pump
US4497618A (en) * 1983-09-12 1985-02-05 General Motors Corporation Combined vacuum pump and power steering pump assembly
US5472327A (en) * 1995-04-06 1995-12-05 Ford Motor Company Rotary compressor with improved fluid inlet porting
JPH09126157A (en) * 1995-08-29 1997-05-13 Aisin Seiki Co Ltd Tandem pump device
ATE226283T1 (en) * 1998-12-24 2002-11-15 Mannesmann Rexroth Ag PUMP ARRANGEMENT WITH TWO HYDROPUMPS
DE10150015A1 (en) * 2001-10-11 2003-04-17 Leybold Vakuum Gmbh Multiple chamber plant used for degassing, coating or etching substrates comprises an evacuating system connected to chambers
US20060213477A1 (en) * 2003-02-14 2006-09-28 Luk Automobiltechnik Gmbh & Co. Kg Pump combination
US6945759B2 (en) * 2003-04-01 2005-09-20 Timothy H. Henderson Engine driven dry air pump with a flange mounted oil drain
EP1613862B1 (en) * 2003-04-16 2010-11-17 O.M.P. Officine Mazzocco Pagnoni S.r.l. Oil and vacuum pumps group for a motor vehicle engine
DE102005008887A1 (en) * 2005-02-26 2006-08-31 Leybold Vacuum Gmbh Single-shaft vacuum displacement pump has two pump stages each with pump rotor and drive motor supported by the shaft enclosed by a stator housing
ITTO20060673A1 (en) * 2006-09-21 2008-03-22 Vhit Spa PALETTE ROTARY PUMP
US7914268B2 (en) * 2007-09-11 2011-03-29 Emerson Climate Technologies, Inc. Compressor having shell with alignment features
JP2010249130A (en) * 2009-03-27 2010-11-04 Sanden Corp Fluid machine
US9897336B2 (en) * 2009-10-30 2018-02-20 Gilbert S. Staffend High efficiency air delivery system and method
US8961148B2 (en) * 2011-07-19 2015-02-24 Douglas G. Hunter Unified variable displacement oil pump and vacuum pump
DE102011086175B3 (en) * 2011-11-11 2013-05-16 Schwäbische Hüttenwerke Automotive GmbH Rotary pump with improved sealing
EP2626510B1 (en) * 2012-02-13 2017-11-15 Pierburg Pump Technology GmbH Motor vehicle auxiliary power unit vacuum pump
DE102012222753B4 (en) * 2012-12-11 2016-08-04 Schwäbische Hüttenwerke Automotive GmbH Gas pump with sealing oil groove
JP6083408B2 (en) * 2014-03-25 2017-02-22 株式会社豊田自動織機 Vane type compressor
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CN108291540B (en) * 2016-11-07 2019-12-03 翰昂汽车零部件有限公司 Electric compressor with electrical connection mechanism and stator assembly therefor
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565558A (en) * 1969-01-31 1971-02-23 Airborne Mfg Co Rotary pump with sliding vanes
DE202009010890U1 (en) * 2009-08-10 2009-12-03 Joma-Polytec Kunststofftechnik Gmbh vacuum pump
DE102015216104B3 (en) * 2015-08-24 2016-12-29 Magna Powertrain Bad Homburg GmbH Vacuum pump in lightweight construction

Also Published As

Publication number Publication date
US11286929B2 (en) 2022-03-29
US20190277282A1 (en) 2019-09-12
EP3536961A2 (en) 2019-09-11
CN110230596A (en) 2019-09-13
DE102018105142A1 (en) 2019-09-12
EP3536961B1 (en) 2024-05-01
EP3536961C0 (en) 2024-05-01
CN110230596B (en) 2021-10-19

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