EP2151542A3 - Rotating piston pump with pockets for lubricant - Google Patents

Rotating piston pump with pockets for lubricant Download PDF

Info

Publication number
EP2151542A3
EP2151542A3 EP09166834A EP09166834A EP2151542A3 EP 2151542 A3 EP2151542 A3 EP 2151542A3 EP 09166834 A EP09166834 A EP 09166834A EP 09166834 A EP09166834 A EP 09166834A EP 2151542 A3 EP2151542 A3 EP 2151542A3
Authority
EP
European Patent Office
Prior art keywords
piston pump
pockets
lubricant
chamber
sliding
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
EP09166834A
Other languages
German (de)
French (fr)
Other versions
EP2151542A2 (en
EP2151542B1 (en
Inventor
Uwe Dr. Meinig
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 EP2151542A2 publication Critical patent/EP2151542A2/en
Publication of EP2151542A3 publication Critical patent/EP2151542A3/en
Application granted granted Critical
Publication of EP2151542B1 publication Critical patent/EP2151542B1/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
    • 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
    • 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
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • 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
    • 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
    • F04C2240/54—Hydrostatic or hydrodynamic bearing assemblies specially adapted for rotary positive displacement pumps or compressors

Landscapes

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

Abstract

Rotationskolbenpumpe, umfassend
a) ein Gehäuse (1) mit einer Kammer (4),
b) einen in der Kammer (4) um eine Rotationsachse (R) drehbaren Rotor (10), der an einer Stirnseite eine Gleitfläche (15) aufweist, die mit einer Gleitfläche (16) der Kammer (4) eine Gleitpaarung bildet,
c) und wenigstens eine in einer der Gleitflächen (15, 16) geformte Tasche (20; 21; 22; 26; 27; 28; 29) für Schmiermittel,
d) die in Bezug auf die Rotationsachse (R) in Umfangsrichtung und radial außen von der sie enthaltenden Gleitfläche (15) begrenzt wird,
e) wobei die Tasche (20; 21; 22; 26; 27; 28; 29) so geformt ist, dass sich bei drehendem Rotor (10) zwischen den Gleitflächen (15, 16) ein hydrodynamischer Schmierfilm aufbaut.

Figure imgaf001
Rotary piston pump, comprising
a) a housing (1) with a chamber (4),
b) a rotor (10) which is rotatable in the chamber (4) about a rotation axis (R) and which has a sliding surface (15) on one end face which forms a sliding pair with a sliding surface (16) of the chamber (4),
c) and at least one pocket (20; 21; 22; 26; 27; 28; 29) for lubricants formed in one of the sliding surfaces (15, 16),
d) is limited in the circumferential direction and radially outward of the sliding surface (15) containing it with respect to the axis of rotation (R),
e) wherein the pocket (20; 21; 22; 26; 27; 28; 29) is shaped so that a hydrodynamic lubricant film builds up between the sliding surfaces (15, 16) when the rotor (10) rotates.
Figure imgaf001
EP09166834.3A 2008-08-04 2009-07-30 Rotating piston pump with pockets for lubricant Not-in-force EP2151542B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810036273 DE102008036273B4 (en) 2008-08-04 2008-08-04 Rotary piston pump with pockets for lubricant

Publications (3)

Publication Number Publication Date
EP2151542A2 EP2151542A2 (en) 2010-02-10
EP2151542A3 true EP2151542A3 (en) 2011-12-14
EP2151542B1 EP2151542B1 (en) 2015-07-08

Family

ID=41382083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09166834.3A Not-in-force EP2151542B1 (en) 2008-08-04 2009-07-30 Rotating piston pump with pockets for lubricant

Country Status (2)

Country Link
EP (1) EP2151542B1 (en)
DE (1) DE102008036273B4 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010028061A1 (en) * 2010-04-22 2011-10-27 Robert Bosch Gmbh Vane pump
DE102011018394A1 (en) 2011-04-21 2012-10-25 Daimler Ag Displacement pump e.g. oil pump, for supplying oil to lubricate internal combustion engine of motor car, has rotor comprising recess inserted into chamber wall and retaining part of operating medium in chamber in standstill state of pump
DE102014102643A1 (en) 2014-02-27 2015-08-27 Schwäbische Hüttenwerke Automotive GmbH Rotary pump with plastic composite structure
DE202014106121U1 (en) 2014-12-17 2015-01-15 Schwäbische Hüttenwerke Automotive GmbH Rotary pump with compact positioning structure for adjusting the delivery volume
JP6382877B2 (en) * 2016-03-24 2018-08-29 大豊工業株式会社 Vane pump
WO2018068806A1 (en) * 2016-10-10 2018-04-19 Wabco Europe Bvba Rotary vacuum pump with a rotor end groove
DE102017101142A1 (en) 2017-01-20 2018-07-26 Otto Altmann Heat exchanger or heat exchanger assembly for a cooling device and a cooling device with such a heat exchanger
DE102017128787A1 (en) 2017-12-04 2019-06-06 Schwäbische Hüttenwerke Automotive GmbH rotary pump
DE102022113977A1 (en) 2022-06-02 2023-12-07 Zf Cv Systems Europe Bv Pneumatic valve and compressor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2012874A (en) * 1977-12-07 1979-08-01 Seiko Instr & Electronics Rotary Positive-displacement Fluid-machines
DE3014519A1 (en) * 1980-04-16 1981-10-22 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt TURNING PISTON, IN PARTICULAR CELL PUMP
US4402653A (en) * 1980-01-29 1983-09-06 Matsushita Electric Industrial Co., Ltd. Rotary compressor
JPH1068393A (en) * 1996-08-28 1998-03-10 Mikuni Corp Vacuum pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04279792A (en) * 1991-03-08 1992-10-05 Toshiba Corp Fluid compressor
DE3301098A1 (en) 1983-01-14 1984-07-19 Knorr-Bremse GmbH, 8000 München ROTATIONAL COMPRESSOR
DE3325261A1 (en) 1983-07-13 1985-01-24 Robert Bosch Gmbh, 7000 Stuttgart Vacuum pump
JP4229522B2 (en) 1999-05-24 2009-02-25 株式会社ショーワ Variable displacement vane pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2012874A (en) * 1977-12-07 1979-08-01 Seiko Instr & Electronics Rotary Positive-displacement Fluid-machines
US4402653A (en) * 1980-01-29 1983-09-06 Matsushita Electric Industrial Co., Ltd. Rotary compressor
DE3014519A1 (en) * 1980-04-16 1981-10-22 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt TURNING PISTON, IN PARTICULAR CELL PUMP
JPH1068393A (en) * 1996-08-28 1998-03-10 Mikuni Corp Vacuum pump

Also Published As

Publication number Publication date
DE102008036273B4 (en) 2013-09-26
EP2151542A2 (en) 2010-02-10
EP2151542B1 (en) 2015-07-08
DE102008036273A1 (en) 2010-02-11

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