EP1134417B1 - Pompe à déplacement positif - Google Patents

Pompe à déplacement positif Download PDF

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Publication number
EP1134417B1
EP1134417B1 EP01104428A EP01104428A EP1134417B1 EP 1134417 B1 EP1134417 B1 EP 1134417B1 EP 01104428 A EP01104428 A EP 01104428A EP 01104428 A EP01104428 A EP 01104428A EP 1134417 B1 EP1134417 B1 EP 1134417B1
Authority
EP
European Patent Office
Prior art keywords
vane
displacement pump
positive
housing interior
drive shaft
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.)
Expired - Lifetime
Application number
EP01104428A
Other languages
German (de)
English (en)
Other versions
EP1134417A3 (fr
EP1134417A2 (fr
Inventor
Willi Dipl.-Ing. Schneider
Peter Jeschonnek
Reiner Schmid
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
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG, Joma Hydromechanic GmbH filed Critical Bayerische Motoren Werke AG
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 positive displacement pump with a wing to separate the two chambers in the housing space of the pump housing, with the features of the preamble of Claim 1.
  • Fig. 2A already shows a positive displacement pump known, the two chambers of the pump housing space separating, positively guided wing both ends one in the longitudinal direction of the wing movably guided and on the inner peripheral wall of the Carrying sealing strip adjacent to the housing.
  • these are in Cross-section T-shaped, the T-bar on the outside is convex in cross section and accordingly the Only touches the peripheral wall along a surface line.
  • the middle ledge is with one in the wing Longitudinal groove formed on the face in the longitudinal direction of the wing brought into engagement so that the sealing strips when the drive shaft rotates under the action of centrifugal force automatically on the inner wall of the housing invest.
  • Positive displacement pumps of this embodiment are therefore suitable e.g. not for the evacuation of a brake booster a motor vehicle, since in this case even small ones Speeds an evacuation must be ensured.
  • a positive displacement pump is known from US-A-1,972,864, in which the wing is divided into two and the two wing parts pushed apart by a spring arranged between them so that they are on the inner peripheral surface issue.
  • a vane pump known, which also has a divided wing, the facing ends of the wing parts teeth and have tooth gaps over which they interlock to grab.
  • the two are Wing parts do not end at their facing each other sufficient against attacking on the wing tips Supported tangential forces.
  • the object underlying the invention now exists in specifying a positive displacement pump in which the Wing parts against forces acting on the wing tips are better supported.
  • the wing construction according to the invention makes it unnecessary a sliding arrangement of sealing strips on the Wing ends in the longitudinal direction of the wing, which e.g. in the DE-A-41 07 720 is disclosed.
  • a displacement pump according to Figures 1 and 2 comprises a flange body with a pump housing 61 forming cylinder pot 62, one stored in this 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. 3, 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. 1). 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 advantageous both from 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Claims (8)

  1. Pompe à refoulement (65) à ailette pour la séparation mutuelle de deux chambres dans un volume de boítier (62), pouvant être actionnée par un arbre moteur (63) logé dans le boítier de pompe (61) et dirigé vers celui-ci de manière réglable radialement, dans un plan contenant son axe, et portant chaque fois à son extrémité un listel d'étanchement (66) qui étanchéifie en agissant conjointement à la paroi périphérique intérieure du volume de boítier (62), et où les listels d'étanchement (66), indépendamment l'un de l'autre, sont mobiles radialement à l'axe de l'arbre moteur (63), tandis que sur l'ailette (65), au moins un accumulateur d'énergie (67) est prévu, dont la tâche est de conserver constamment en contact étanche les deux listels d'étanchement (66) avec la paroi périphérique intérieure du volume de boítier (62), où l'ailette (65) est guidée dans la rainure d'un rotor (64), logé dans le volume de boítier (62), et actionnable par l'arbre moteur (63), laquelle rainure est symétriquement située dans un plan qui comprend l'axe du rotor et où l'ailette (65) est constituée de deux tronçons d'ailette (65', 65''), entre lesquels l'accumulateur d'énergie (67) est disposé, et les tronçons d'ailette (65', 65''), à leurs extrémités frontales qui sont de dos l'une par rapport à l'autre, agissant comme languette et rainure, sont en prise l'un avec l'autre, caractérisée en ce que la rainure se déploie dans le sens de l'arbre moteur (63).
  2. Pompe à refoulement selon la revendication 1, caractérisée en ce que les tronçons d'ailette (65', 65'') sont façonnés symétriquement.
  3. Pompe à refoulement selon la revendication 1 ou 2, caractérisée en ce que les tronçons d'ailette (65', 65'') présentent un profil plat.
  4. Pompe à refoulement selon l'une des revendications précédentes, caractérisée en ce que les tronçons d'ailette (65', 65'') sont échelonnés symétriquement à leurs extrémités frontales qui sont de dos l'une par rapport à l'autre et en ce que les extrémités frontales s'appuient chaque fois au montant d'un ressort (67) en forme de z, introduite entre elles.
  5. Pompe à refoulement selon l'une des revendications précédentes, caractérisée en ce qu'aux extrémités de l'ailette, lesquelles s'appuient à la surface périphérique intérieure du volume de boítier (62), des listels d'étanchement (66) sont logés de manière pivotante.
  6. Pompe à refoulement selon la revendication 5, caractérisée en ce que les listels d'étanchement (66), comportent un contact sur deux lignes (69, 70) avec la surface périphérique intérieure du volume de boítier (62), vu dans le sens de la périphérie.
  7. Pompe à refoulement selon la revendication 6, caractérisée en ce que le côté du listel d'étanchement (66) tourné vers la surface périphérique intérieure est arqué de manière concave dans le sens de la périphérie du volume du boítier (62).
  8. Pompe à refoulement selon l'une des revendications précédentes, caractérisée en ce que la surface périphérique intérieure cylindrique du volume de boítier (62) comporte une forme périphérique
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 EP1134417A2 (fr) 2001-09-19
EP1134417A3 EP1134417A3 (fr) 2002-09-11
EP1134417B1 true EP1134417B1 (fr) 2003-09-24

Family

ID=26004832

Family Applications (3)

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

Family Applications After (2)

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

Country Status (5)

Country Link
US (1) US6604924B2 (fr)
EP (3) EP1134417B1 (fr)
CN (1) CN1162621C (fr)
AT (1) ATE250722T1 (fr)
DE (1) DE50100666D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004001840B3 (de) * 2004-01-07 2005-05-25 Joma-Hydromechanic Gmbh Verdrängerpumpe
DE102006016243A1 (de) * 2006-03-31 2007-10-04 Joma-Hydromechanic Gmbh Rotorpumpe und Flügel für eine Rotorpumpe

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DE10046697A1 (de) * 2000-09-21 2002-04-11 Bosch Gmbh Robert Flügel aus Kunststoff für eine Flügelzellen-Vakuumpumpe
DE50300812D1 (de) * 2003-04-24 2005-08-25 Joma Hydromechanic Gmbh Flügelzellenpumpe
DE102004034926B3 (de) * 2004-07-09 2005-12-29 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102004034925B3 (de) * 2004-07-09 2006-02-16 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102004064029B4 (de) * 2004-07-09 2008-04-10 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
DE102004034922B4 (de) * 2004-07-09 2006-05-11 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
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
DE102009035000B4 (de) * 2009-07-27 2013-03-28 Sergej Semakin Flügelzellenmaschine
EP2299055B1 (fr) 2009-09-14 2014-11-12 Pierburg Pump Technology GmbH Pompe à vide à ailettes pour automobile
GB2486007B (en) * 2010-12-01 2017-05-10 Itt Mfg Enterprises Inc Sliding vane pump
CN103930678B (zh) * 2012-01-11 2016-03-30 三菱电机株式会社 叶片型压缩机
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
CN110374874B (zh) * 2019-07-29 2024-11-01 黄石东贝压缩机有限公司 一种多重防泄漏弹片式滑块机构
CN110541826A (zh) * 2019-10-21 2019-12-06 太仓束捍机电科技有限公司 一种真空束焊机用真空泵
CN117759651A (zh) * 2024-01-08 2024-03-26 长春工业大学 一种离合器分离泵转接支架

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JPS5598689A (en) * 1979-01-23 1980-07-26 Musashi Seimitsu Kogyo Kk Vane at rotary compressor
IT1130363B (it) * 1980-01-29 1986-06-11 Leonardo Beltrame Compressore a capsulismo con girante perfezionato,utile in particolare per gonfiaggio od alimentazione di avvisatoripneumatici per veicoli
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DE3537158A1 (de) * 1984-10-26 1986-06-05 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Verzahnte fluegelzellenpumpe
DE3504547A1 (de) * 1985-02-11 1986-09-11 Armatec FTS-Armaturen GmbH & Co KG, 7988 Wangen Rotationsverdichter mit festverbundenen schieberhaelften
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004001840B3 (de) * 2004-01-07 2005-05-25 Joma-Hydromechanic Gmbh Verdrängerpumpe
DE102006016243A1 (de) * 2006-03-31 2007-10-04 Joma-Hydromechanic Gmbh Rotorpumpe und Flügel für eine Rotorpumpe

Also Published As

Publication number Publication date
EP1424495A3 (fr) 2004-06-23
DE50100666D1 (de) 2003-10-30
EP1327778A3 (fr) 2003-07-23
US6604924B2 (en) 2003-08-12
EP1134417A3 (fr) 2002-09-11
EP1134417A2 (fr) 2001-09-19
CN1162621C (zh) 2004-08-18
US20020136656A1 (en) 2002-09-26
EP1424495A2 (fr) 2004-06-02
EP1327778A2 (fr) 2003-07-16
ATE250722T1 (de) 2003-10-15
CN1317644A (zh) 2001-10-17

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