EP1134417A2 - Pompe à déplacement positif - Google Patents

Pompe à déplacement positif Download PDF

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Publication number
EP1134417A2
EP1134417A2 EP01104428A EP01104428A EP1134417A2 EP 1134417 A2 EP1134417 A2 EP 1134417A2 EP 01104428 A EP01104428 A EP 01104428A EP 01104428 A EP01104428 A EP 01104428A EP 1134417 A2 EP1134417 A2 EP 1134417A2
Authority
EP
European Patent Office
Prior art keywords
wing
displacement pump
pump according
housing space
sealing strips
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
EP01104428A
Other languages
German (de)
English (en)
Other versions
EP1134417B1 (fr
EP1134417A3 (fr
Inventor
Willi Dipl.-Ing. Schneider
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.)
Bayerische Motoren Werke AG
Joma Hydromechanic GmbH
Original Assignee
Joma Hydromechanic 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
Priority claimed from DE2000112406 external-priority patent/DE10012406A1/de
Priority claimed from DE20018958U external-priority patent/DE20018958U1/de
Application filed by Joma Hydromechanic GmbH filed Critical Joma Hydromechanic GmbH
Priority to EP04004782A priority Critical patent/EP1424495A3/fr
Priority to EP03008524A priority patent/EP1327778A3/fr
Publication of EP1134417A2 publication Critical patent/EP1134417A2/fr
Publication of EP1134417A3 publication Critical patent/EP1134417A3/fr
Application granted granted Critical
Publication of EP1134417B1 publication Critical patent/EP1134417B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • 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
    • F01C21/0881—Construction of vanes or vane holders the vanes consisting of two or more parts
    • 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
    • F04C2/344—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

Definitions

  • the invention relates to a displacer with a wing mutual separation of the two chambers in the housing of the Pump housing, with the features of the preamble of Claim 1.
  • Fig. 2A is already one Displacement pump known, the two chambers of the Pump housing space separating, positively guided Wings at both ends one in Wing longitudinally guided and on the Sealing strip adjacent to the inner circumferential wall of the housing space wearing.
  • these are in Cross-section T-shaped, the T-beam is convexly curved on the outside in cross section and accordingly the peripheral wall only along a surface line touched.
  • the middle ledge is with one in the wing Longitudinal groove formed on the face in the longitudinal direction of the wing engaged movably so that the Sealing strips when the drive shaft rotates below Centrifugal force automatically to the Create the inner circumferential wall.
  • Positive displacement pumps of this embodiment are therefore suitable e.g. B. not for the evacuation of a brake booster a motor vehicle, since in this case even small ones Speeds an evacuation must be ensured.
  • the object underlying the invention now exists in specifying a positive displacement pump in which then A subsidy starts when the speed is> 0 or when starting the pump driven by the motor the centrifugal force is not yet sufficient to the sealing strips of the wing in its maximum, radial sealing position relocate.
  • the wing is equipped with an energy accumulator causes permanent contact even when the wave is at a standstill both sealing strips with the peripheral wall of the Housing space is secured, so that right from the start a shaft rotation displaces or is promoted.
  • the wing on the drive shaft or in one of these driven pump rotor radially be guided displaceably, wherein, as explained above, may already be sufficient between the wing and only one of its sealing strips an energy accumulator to arrange.
  • both sealing strips are preferably provided movable in the longitudinal direction of the wing and each of supported an energy store.
  • the sliding arrangement of the sealing strips can 2A of DE 41 07 720 A1.
  • the energy accumulator could each between Groove base of the wing groove and the web of the T-beam Sealing strips must be interposed.
  • a preferred, slidable sealing strip arrangement on the wing is the subject of claim 3.
  • This Construction offers on the one hand the possibility of Injection molding process of sash and sealing strips Shaped slide for the formation of the slide end as well the guide grooves to be provided on the performance side are waived can.
  • stand out with this construction placed on or overlapping the wing ends Sealing strips made from a greater stability the bending moments resulting from the radial support forces the wing rotation from the U-legs of the sealing strips can be included cheaply.
  • the energy accumulator designed as a leaf spring can be position advantageously according to claim 4, wherein wings and sealing strips in the lateral direction at the same time stay exactly aligned with each other.
  • An alternative energy storage arrangement has claim 5 for Object.
  • This construction offers above all Advantages if the housing space from the circular cylindrical Circumferential shape is very different and therefore around the sealing strip or strips during wing rotation relatively large radial paths have to be shifted.
  • Wing construction is the subject of claim 6, by which is a sliding arrangement of the sealing strips superfluous on the wing ends in the longitudinal direction of the wing.
  • the positive displacement pump according to FIG. 1 comprises in a known manner Way, a pump housing 10, one in its z. B. circular cylindrical housing space 12 eccentrically mounted Pump rotor 16, which is rotatably connected to a drive shaft 14 is connected in a rotationally fixed manner and radially in this slidably guided rotor blades 18 which at its Wing ends each carries a sealing strip 20 or 22.
  • the pump rotor 16 preferably has one hollow cylindrical rotor shell 24 in which one inner ones extending along its inner diameter Wing guide strip 26 is provided in which Rotor blade 18 is received radially. 28 denotes inner rotor webs for stiffening the Rotor shell.
  • the rotor 16 is towards the drive shaft 14 Slotted guide for the wing 18 and on the shaft 14 attached, inserted or molded.
  • the housing space 12 is what is not, for the sake of simplicity is shown, tightly closed on both ends, the drive shaft 14 the one housing end wall penetrated liquid-tight.
  • At the housing space 12 are also an inflow and an outflow line connected to a fluid to be promoted To be able to supply and discharge positive displacement pump.
  • the sealing strips 20, 22 of the rotor blade 18 are in the Cross section preferably U-shaped and overlap one with their U-legs 30, 32 the wing tips preferably over the entire Wing width molded guide bar 34.
  • these are preferred with two spaced apart and parallel to each other provided guide pieces 36, 38 equipped to molded the connecting web 40 of their U-legs 30, 32 are and extend parallel to them, their Length is preferably less than that of the U-leg 30, 32.
  • the guide pieces 36, 38 each engage in one blind hole-like indentation 42 and 44 and so also an exact alignment of the sealing strips 20, 22 transversely to the longitudinal direction of the wing.
  • the U-leg connecting web 40 of the sealing strips 20, 22 is preferably designed in cross section so that it At the same time, a sealing edge 46 is defined on the outside.
  • an energy store preferably in the form a leaf spring 48 is provided, which constantly tries the relevant sealing strip 20 or 22 in the direction of To shift or circumferential inner wall of the housing space 12 to keep in touch with this.
  • a compression spring 50 or 52 can be introduced, on which the ledge guide pieces 36, 38 are supported (FIG. 3).
  • the rotor blades 18 and the sealing strips 20, 22 are preferably designed as a molded plastic part, the Rotor blades 18 in particular for the purpose of being more uniform Material distribution during the spraying process, for example with three of these in the transverse direction parallel to its flat sides penetrating, flat slot-like recesses 54 Is provided.
  • the pump rotor 16 can be in the housing space 12 also be centrally stored, provided the latter is oval Has peripheral shape.
  • the positive displacement pump according to FIGS. 5 and 6 comprises one Flange body with a pump housing 61 forming Cylinder pot 62, one stored in it Pump drive shaft 63 with attached rotor 64 and one in a recess running across the center of the rotor guided, divided as a whole with 65, divided into two Wing. As shown in FIG. 7, this is preferably through symmetrical, flat wing sections 65 ', 65' 'formed, which each have a pivot bearing at their outer end, on which a sealing strip 66 about an axis of rotation of the rotor parallel axis is pivotally mounted.
  • the sealing strips 66 face the wall of the cylinder pot 62 provided with a concave radius 68 (Fig. 5). Consequently there are two lines of contact at 69 and 70, which in Interaction with the flat wing sections 65 ', 65' ' to seal the chambers in front of and behind the wing 65 serve. Radii 71 are at the ends of the sealing strips 66 and 72 are provided, which ensures optimal resealing is achieved.
  • the rotor 64 is towards the drive shaft 63 as a guide for slotted the wing 65 and plugged onto the shaft 63, inserted or molded.
  • This change in length is due to the radial mobility of the Wing sections 65 ', 65' 'balanced.
  • the adaptation to the variable length in the angle of rotation happens through that Pressing the sealing strips 66 and taking the Wing 65 through the drive shaft 63 through the shaped spring 67 or by a corresponding compression spring, which the Wing sections 65 ', 65' 'apart and with this connected sealing strips 66 to the Pressed on cylinder wall.
  • Rotor blades 18; 65, wing sections 65 ', 65' ', Sealing strips 20, 22; 66 and rotor 18; 64 can advantageously made of metal, plastic, ceramic, metal-plastic connection, Metal-ceramic connection, metal-plastic-ceramic connection or plastic-ceramic connection getting produced.
  • PEEK polyether ether ketone
  • PES polyether sulfide
  • SPS syndiotactic polystyrene
  • PPS polyphenylene sulfide
EP01104428A 2000-03-15 2001-02-27 Pompe à déplacement positif Expired - Lifetime EP1134417B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04004782A EP1424495A3 (fr) 2000-03-15 2001-02-27 Pompe à palettes
EP03008524A EP1327778A3 (fr) 2000-03-15 2001-02-27 Pompe à palettes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2000112406 DE10012406A1 (de) 2000-03-15 2000-03-15 Vakuumpumpe
DE10012406 2000-03-15
DE20018958U 2000-11-07
DE20018958U DE20018958U1 (de) 2000-11-07 2000-11-07 Schieber zum gegenseitigen Trennen der beiden Kammern im Gehäuseraum einer Flügelzellenpumpe oder eines solchen Motors

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03008524.5 Division-Into 2003-04-12

Publications (3)

Publication Number Publication Date
EP1134417A2 true EP1134417A2 (fr) 2001-09-19
EP1134417A3 EP1134417A3 (fr) 2002-09-11
EP1134417B1 EP1134417B1 (fr) 2003-09-24

Family

ID=26004832

Family Applications (3)

Application Number Title Priority Date Filing Date
EP04004782A Withdrawn EP1424495A3 (fr) 2000-03-15 2001-02-27 Pompe à palettes
EP03008524A Withdrawn EP1327778A3 (fr) 2000-03-15 2001-02-27 Pompe à palettes
EP01104428A Expired - Lifetime EP1134417B1 (fr) 2000-03-15 2001-02-27 Pompe à déplacement positif

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP04004782A Withdrawn EP1424495A3 (fr) 2000-03-15 2001-02-27 Pompe à palettes
EP03008524A Withdrawn EP1327778A3 (fr) 2000-03-15 2001-02-27 Pompe à palettes

Country Status (5)

Country Link
US (1) US6604924B2 (fr)
EP (3) EP1424495A3 (fr)
CN (1) CN1162621C (fr)
AT (1) ATE250722T1 (fr)
DE (1) DE50100666D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002025113A1 (fr) * 2000-09-21 2002-03-28 Robert Bosch Gmbh Ailette en plastique pour pompe a vide a cellule en ailette
EP1471255A1 (fr) * 2003-04-24 2004-10-27 Joma-Hydromechanic GmbH Pompe rotative à palettes
EP1553299A2 (fr) * 2004-01-07 2005-07-13 Joma-Hydromechanic GmbH Pompe volumétrique à palette
DE102004034921B3 (de) * 2004-07-09 2005-12-29 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
EP2299055A1 (fr) 2009-09-14 2011-03-23 Pierburg Pump Technology GmbH Pompe à vide à ailettes pour automobile
DE102009035000B4 (de) * 2009-07-27 2013-03-28 Sergej Semakin Flügelzellenmaschine

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DE102004034925B3 (de) * 2004-07-09 2006-02-16 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102004034922B4 (de) * 2004-07-09 2006-05-11 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102004034926B3 (de) * 2004-07-09 2005-12-29 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
GB0419496D0 (en) * 2004-09-02 2004-10-06 Wabco Automotive Uk Ltd Improvements relating to vacuum pumps
DE102004053521A1 (de) * 2004-10-29 2006-05-11 Joma-Hydromechanic Gmbh Flügel für eine Rotorpumpe
DE102005015721B3 (de) * 2005-03-31 2006-12-21 Joma-Hydromechanic Gmbh Vakuumpumpe
ITMI20050685A1 (it) * 2005-04-18 2006-10-19 O M P Officine Mazzocco Pagnon Pompa a palette per un motore per autoveicoli e paletta per tale pompa
DE102005050001A1 (de) * 2005-10-13 2007-04-19 Joma-Hydromechanic Gmbh Rotorpumpe
DE102005056270B3 (de) * 2005-11-14 2007-03-01 Joma-Hydromechanic Gmbh Rotorpumpe
DE102006016243A1 (de) * 2006-03-31 2007-10-04 Joma-Hydromechanic Gmbh Rotorpumpe und Flügel für eine Rotorpumpe
CN101122365B (zh) * 2006-08-08 2012-07-04 刘矗汀 流体通道上的穿轴叶块旋转式膨胀或压缩机构
GB2486007B (en) * 2010-12-01 2017-05-10 Itt Mfg Enterprises Inc Sliding vane pump
JP5661204B2 (ja) * 2012-01-11 2015-01-28 三菱電機株式会社 ベーン型圧縮機
US20150010421A1 (en) * 2012-03-01 2015-01-08 Torad Engineering, Llc Sealing Element for Rotary Compressor
DE102012210048A1 (de) * 2012-06-14 2013-12-19 Joma-Polytec Gmbh Verdrängerpumpe
DE202013000976U1 (de) * 2013-02-01 2014-05-08 Saeta Gmbh & Co. Kg Flügel für eine Flügelzellenvorrichtung sowie Flügelzellenvorrichtung
DE102013215561A1 (de) * 2013-08-07 2015-03-05 Behr Gmbh & Co. Kg Rotor für einen Elektromotor, Elektromotor und Klimaanlage
CN104131976A (zh) * 2014-08-18 2014-11-05 王喜来 一种旋转式空压机
DE102015213098B4 (de) * 2015-07-13 2017-05-04 Joma-Polytec Gmbh Flügel für eine Flügelzellenpumpe und Flügelzellenpumpe
CN105864034B (zh) * 2016-06-06 2019-06-21 陈继业 单滑片回转式容积泵
CN109826788A (zh) * 2019-01-31 2019-05-31 刘江 一种新型气、液泵
CN110374874A (zh) * 2019-07-29 2019-10-25 黄石东贝电器股份有限公司 一种多重防泄漏弹片式滑块机构

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002025113A1 (fr) * 2000-09-21 2002-03-28 Robert Bosch Gmbh Ailette en plastique pour pompe a vide a cellule en ailette
EP1471255A1 (fr) * 2003-04-24 2004-10-27 Joma-Hydromechanic GmbH Pompe rotative à palettes
EP1553299A2 (fr) * 2004-01-07 2005-07-13 Joma-Hydromechanic GmbH Pompe volumétrique à palette
EP1553299A3 (fr) * 2004-01-07 2006-01-11 Joma-Hydromechanic GmbH Pompe volumétrique à palette
DE102004034921B3 (de) * 2004-07-09 2005-12-29 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102004034921B9 (de) * 2004-07-09 2006-04-27 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102004064029B4 (de) * 2004-07-09 2008-04-10 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102009035000B4 (de) * 2009-07-27 2013-03-28 Sergej Semakin Flügelzellenmaschine
EP2299055A1 (fr) 2009-09-14 2011-03-23 Pierburg Pump Technology GmbH Pompe à vide à ailettes pour automobile

Also Published As

Publication number Publication date
EP1134417B1 (fr) 2003-09-24
EP1134417A3 (fr) 2002-09-11
EP1424495A2 (fr) 2004-06-02
CN1317644A (zh) 2001-10-17
EP1327778A2 (fr) 2003-07-16
EP1424495A3 (fr) 2004-06-23
ATE250722T1 (de) 2003-10-15
DE50100666D1 (de) 2003-10-30
EP1327778A3 (fr) 2003-07-23
US6604924B2 (en) 2003-08-12
US20020136656A1 (en) 2002-09-26
CN1162621C (zh) 2004-08-18

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