EP2743506A3 - Gas pump with a sealing oil groove - Google Patents

Gas pump with a sealing oil groove Download PDF

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Publication number
EP2743506A3
EP2743506A3 EP13196532.9A EP13196532A EP2743506A3 EP 2743506 A3 EP2743506 A3 EP 2743506A3 EP 13196532 A EP13196532 A EP 13196532A EP 2743506 A3 EP2743506 A3 EP 2743506A3
Authority
EP
European Patent Office
Prior art keywords
sealing
gas pump
chamber
gas
delivery chamber
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
EP13196532.9A
Other languages
German (de)
French (fr)
Other versions
EP2743506A2 (en
EP2743506B1 (en
Inventor
Jürgen Bohner
Sven Peters
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 EP2743506A2 publication Critical patent/EP2743506A2/en
Publication of EP2743506A3 publication Critical patent/EP2743506A3/en
Application granted granted Critical
Publication of EP2743506B1 publication Critical patent/EP2743506B1/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
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
    • 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
    • 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
    • F04C2/34—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/356—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • 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
    • 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
    • F04C29/025—Lubrication; Lubricant separation using a lubricant pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • 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
    • F04C2/34—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—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 the movement defined in groups F04C2/08 or F04C2/22 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
    • F04C2/3442—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 the movement defined in groups F04C2/08 or F04C2/22 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 working space, being surfaces of revolution
    • 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

Abstract

Gaspumpe umfassend:
(a) ein erstes Gehäuseteil (1) mit einer Dichtfläche (6),
(b) ein zweites Gehäuseteil (2) mit einer Dichtfläche (7),
(c) eine Förderkammer (3) mit einem Einlass (4) und einem Auslass (5) für ein Gas,
(d) und eine in der Förderkammer (3) bewegliche Fördereinrichtung (11, 12) zum Fördern des Gases,
(e) wobei die Gehäuseteile (1, 2) aneinander gefügt sind, so dass sie die Förderkammer (3) über einen Kammerumfang zumindest teilweise umschließen und mit den Dichtflächen (6, 7) aneinander liegen, um die Förderkammer (3) abzudichten,
(f) und wobei sich in wenigstens einer der Dichtflächen (6, 7) um die Förderkammer (3) eine Dichtvertiefung (9) erstreckt, die im Betrieb der Gaspumpe mit einer Dichtflüssigkeit gefüllt ist.

Figure imgaf001
Gas pump comprising:
(a) a first housing part (1) with a sealing surface (6),
(B) a second housing part (2) with a sealing surface (7),
(c) a delivery chamber (3) having an inlet (4) and an outlet (5) for a gas,
(d) and a conveying device (11, 12) movable in the conveying chamber (3) for conveying the gas,
(e) wherein the housing parts (1, 2) are joined together so that they surround the delivery chamber (3) at least partially over a chamber circumference and with the sealing surfaces (6, 7) abut each other to seal the delivery chamber (3),
(F) and wherein in at least one of the sealing surfaces (6, 7) around the delivery chamber (3) extends a sealing depression (9) which is filled with a sealing liquid during operation of the gas pump.
Figure imgaf001
EP13196532.9A 2012-12-11 2013-12-10 Gas pump with a sealing oil groove Active EP2743506B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012222753.9A DE102012222753B4 (en) 2012-12-11 2012-12-11 Gas pump with sealing oil groove

Publications (3)

Publication Number Publication Date
EP2743506A2 EP2743506A2 (en) 2014-06-18
EP2743506A3 true EP2743506A3 (en) 2015-10-21
EP2743506B1 EP2743506B1 (en) 2018-04-04

Family

ID=49766922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13196532.9A Active EP2743506B1 (en) 2012-12-11 2013-12-10 Gas pump with a sealing oil groove

Country Status (5)

Country Link
US (1) US9546658B2 (en)
EP (1) EP2743506B1 (en)
CN (1) CN103867442B (en)
DE (1) DE102012222753B4 (en)
TR (1) TR201809404T4 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013200410B4 (en) * 2013-01-14 2017-12-07 Schwäbische Hüttenwerke Automotive GmbH Gas pump with pressure relief to reduce the starting torque
DE102015109156B4 (en) * 2015-06-10 2019-11-07 Schwäbische Hüttenwerke Automotive GmbH Pump with adjusting device and control valve for adjusting the delivery volume of the pump
CN106014909B (en) * 2016-05-18 2018-10-12 宁波圣龙汽车动力系统股份有限公司 Duplex pump
DE102017124193A1 (en) 2017-10-17 2019-04-18 Schwäbische Hüttenwerke Automotive GmbH Fluid pump with a valve
DE102017126750A1 (en) 2017-11-14 2019-05-16 Schwäbische Hüttenwerke Automotive GmbH pumping device
DE102018105142A1 (en) * 2018-03-06 2019-09-12 Schwäbische Hüttenwerke Automotive GmbH Sealing element vacuum pump
DE102018105144A1 (en) * 2018-03-06 2019-09-12 Schwäbische Hüttenwerke Automotive GmbH Axial sealing element Vacuum pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791780A (en) * 1972-05-11 1974-02-12 Robinair Mfg Corp Vacuum pump
US3982864A (en) * 1975-09-15 1976-09-28 Robinair Manufacturing Corporation Vacuum pump
US20100226808A1 (en) * 2007-10-04 2010-09-09 Nigel Paul Schofield Multi stage, clam shell vacuum pump
DE102010030389A1 (en) * 2010-06-23 2011-12-29 Robert Bosch Gmbh Fuel injection system for use in internal combustion engine in vehicle, has vacuum pump mounted at high pressure pump and driven by cam shaft of high pressure pump, and feed pump mounted at internal combustion engine
DE102011054887A1 (en) * 2010-11-19 2012-05-24 Ixetic Hückeswagen Gmbh Vacuum pumping device for motor car, has brake booster that is provided for producing vacuum for auxiliary unit, and vacuum pump that is connected with hydraulic machine in order to drive vacuum pump

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DE596978C (en) * 1932-09-06 1934-05-14 Wolfgang Gaede Dr Oil-covered rotary piston vacuum air pump
US3326456A (en) * 1965-09-13 1967-06-20 Prec Scient Company Check valve for a vacuum pump
JPS59145384A (en) * 1983-02-08 1984-08-20 Nippon Soken Inc Auxiliary machine for automobile
US5336059A (en) * 1993-06-07 1994-08-09 E Squared Inc. Rotary heat driven compressor
US6244239B1 (en) * 1997-11-19 2001-06-12 Simpson Industries Integrated front end accessory drive system
WO2004092588A1 (en) * 2003-04-16 2004-10-28 O.M.P. Officine Mazzocco Pagnoni S.R.L. Oil and vacuum pumps group for a motor vehicle engine
KR100519567B1 (en) * 2003-09-22 2005-10-11 김덕겸 A rotary vane-type vacuum pump
CN2695684Y (en) * 2004-03-16 2005-04-27 庄乾云 Unit contraction rotary-vane vacuum pump
FR2886696B1 (en) * 2005-06-03 2007-08-31 Renault Sas DEVICE FOR COUPLING A VACUUM PUMP WITH A CAMSHAFT COMPRISING LUBRICANT FLUID FEED MEANS
WO2007003215A1 (en) * 2005-07-05 2007-01-11 Vhit S.P.A. Vacuum vane pump with discharge valve
DE102006030917B4 (en) * 2006-06-26 2018-08-16 Pierburg Gmbh Oil pump and vacuum pump module
DE102010044898A1 (en) * 2010-09-09 2012-03-15 Schwäbische Hüttenwerke Automotive GmbH Vacuum pump with ventilation device
US9803637B2 (en) * 2011-07-14 2017-10-31 Ford Global Technologies, Llc Variable displacement hydraulic pump control
US8944022B2 (en) * 2011-10-18 2015-02-03 GM Global Technology Operations LLC Pump assembly for internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791780A (en) * 1972-05-11 1974-02-12 Robinair Mfg Corp Vacuum pump
US3982864A (en) * 1975-09-15 1976-09-28 Robinair Manufacturing Corporation Vacuum pump
US20100226808A1 (en) * 2007-10-04 2010-09-09 Nigel Paul Schofield Multi stage, clam shell vacuum pump
DE102010030389A1 (en) * 2010-06-23 2011-12-29 Robert Bosch Gmbh Fuel injection system for use in internal combustion engine in vehicle, has vacuum pump mounted at high pressure pump and driven by cam shaft of high pressure pump, and feed pump mounted at internal combustion engine
DE102011054887A1 (en) * 2010-11-19 2012-05-24 Ixetic Hückeswagen Gmbh Vacuum pumping device for motor car, has brake booster that is provided for producing vacuum for auxiliary unit, and vacuum pump that is connected with hydraulic machine in order to drive vacuum pump

Also Published As

Publication number Publication date
EP2743506A2 (en) 2014-06-18
CN103867442A (en) 2014-06-18
EP2743506B1 (en) 2018-04-04
CN103867442B (en) 2017-09-15
TR201809404T4 (en) 2018-07-23
US20140161645A1 (en) 2014-06-12
DE102012222753A1 (en) 2014-06-12
DE102012222753B4 (en) 2016-08-04
US9546658B2 (en) 2017-01-17

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