WO2006005380A1 - Pompe à vide à une ailette - Google Patents

Pompe à vide à une ailette Download PDF

Info

Publication number
WO2006005380A1
WO2006005380A1 PCT/EP2005/004209 EP2005004209W WO2006005380A1 WO 2006005380 A1 WO2006005380 A1 WO 2006005380A1 EP 2005004209 W EP2005004209 W EP 2005004209W WO 2006005380 A1 WO2006005380 A1 WO 2006005380A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
vacuum pump
wing
pump according
housing
Prior art date
Application number
PCT/EP2005/004209
Other languages
German (de)
English (en)
Inventor
Willi Schneider
Martin Thoma
Pfitzer Friedhelm
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34967982&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2006005380(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Joma-Hydromechanic Gmbh filed Critical Joma-Hydromechanic Gmbh
Priority to KR1020077003041A priority Critical patent/KR101131741B1/ko
Priority to EP05742896A priority patent/EP1766240B1/fr
Priority to CA002575775A priority patent/CA2575775A1/fr
Priority to DE502005002006T priority patent/DE502005002006D1/de
Publication of WO2006005380A1 publication Critical patent/WO2006005380A1/fr

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
    • 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
    • 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
    • F04C2220/00—Application
    • F04C2220/10—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
    • F04C2230/00—Manufacture
    • F04C2230/20—Manufacture essentially without removing material
    • F04C2230/22—Manufacture essentially without removing material by sintering
    • 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
    • F04C2240/20—Rotors

Definitions

  • the invention relates to a single-wing vacuum pump with a cup-shaped housing, a rotor rotatably mounted eccentrically in the housing, a wing slidably mounted in the rotor orthogonal to the axis of rotation, and a housing cover which closes the work spaces separated from the wing.
  • Vacuum pumps of such a construction are known. They usually have an existing metal housing, in which a rotor is rotatably mounted and in which the work spaces are formed. The rotor is rotated, for example, by the engine of a motor vehicle. It is also known that these rotors are made of metal and in particular of sintered metal. Due to the high weight of the rotor this has a large moment of inertia, whereby the power consumption of the vacuum pump is undesirably high.
  • the invention is therefore based on the object to provide a vacuum pump, in particular a single-wing vacuum pump, which has a lower power consumption.
  • the invention is to manufacture only portions of the rotor of a different metal, which has a lower weight. This will reduce the total weight of the rotor reduces and reduces the moment of inertia. This ensures that the power consumption of the vacuum pump is lower than in conventional units.
  • the parts of the rotor which have to transmit large moments are still made of metal, whereas the portions of the rotor may be made of a different material, which are less stressed.
  • the rotor has a rotor axis and a rotor housing mounted on the rotor axis.
  • the rotor axis has the task of introducing the torque required to drive the pump and to set the rotor with wings in rotation.
  • the rotor housing has the task of receiving and guiding the wing.
  • the rotor housing according to the invention consists of plastic. Plastics, especially when paired with a metal, here with a metal wing, have excellent tribological properties, thereby minimizing frictional forces, which also counteracts excessive heating.
  • the rotor housing may still have the task to seal the two working spaces against each other by the rotor housing contacts the inner peripheral wall.
  • the pump housing is made of metal and the rotor housing is made of plastic, then the frictional forces are reduced and a good seal is achieved.
  • Preferred embodiments provide for the rotor housing the following plastics: polyetheretherketone (PEEK), polyethersulphide (PES), syndiotactic polystyrene (SPS) or a polyphenylene sulphide (PPS) These plastics are extremely resistant to abrasion and are resistant to lubricants.
  • a simple assembly of the rotor is achieved in that the rotor housing is mounted on the rotor axis, in particular axially. Plug connections are easy and in particular can be produced without tools. In addition, no forces act in or against the direction of insertion during operation of the vacuum pump, so that a release of the connector is not to be feared.
  • a preferred variant of the invention provides that the rotor axis for receiving the rotor housing has at least two mandrels projecting parallel to the axis of rotation.
  • the rotor housing has two attachable to the mandrels sleeves.
  • the shape of the mandrels and the sleeves is advantageously chosen so that not only the rotor housing is securely held by the rotor axis, but also that the wing holding executives are supported on the sleeves of the thorns.
  • the spines extend at least over part of the height of the wings.
  • the spines extend at least over part of the height of the wings.
  • the spines are e.g. extend over a height of 10% - 20% of the wing, to be able to hold and guide safely, the other, not penetrated by the thorns part of the sleeves stiffened by bracing. This also saves material and thus in weight.
  • Figure 1 is an exploded view of the vacuum pump
  • Figure 2 is a perspective view of the rotor axis
  • Figure 3 is a perspective view of the rotor housing
  • Figure 4 is a perspective view of the rotor housing with inserted wings.
  • the reference numeral 10 denotes a vacuum pump in total, in which the housing 12 is shown without housing cover.
  • the housing 12 has a suction port 14, which opens into an interior 16.
  • a generally designated 18 rotor in which a wing 20 is mounted orthogonal to the axis of rotation 21 slidably.
  • the rotor 18 is constructed in two parts and has a rotor axis 22 and a rotor housing 24.
  • the rotor axis 22 passes through the housing 12, in particular a bottom 26 of the interior 18 via a drive opening 28 and protrudes with a rectangular portion 30 on the rear side out of the housing 12, over which it is rotated (by means of a drive, not shown) in rotation.
  • the drive opening 28 is provided with suitable sealing means, so that neither lubricant leak nor air and / or dirt in the interior 16 can occur.
  • the section 30 continues into a cylindrical section 32 with a circular cross section, as can be seen from FIG.
  • the section 32 is followed by a plate 34, from which two mandrels 36 protrude axially.
  • the mandrels 36 are provided with recesses 38 so that they are essentially each formed by a wall 40 having the shape of the letter "D".
  • a tread 42 which is formed by a part of the top of the plate 34. At this tread, 42 is a narrow side of the wing 20 at.
  • this running surface 42 opens a lubricant bore 44 through which the running surface 42 and other running surfaces or generally the interior 16 and / or the wing 20 are supplied with lubricant.
  • FIG. 3 shows the rotor housing 24, which has a vertical section which corresponds to an inverted or downwardly open "U".
  • the rotor housing 24 has two sleeves 46 which are interconnected via a bridge 48. These sleeves 46 are formed largely hollow, which is apparent from the figure 4.
  • the two sleeves 46 define between them two running surfaces 50 against which the broad sides of the wing 20 abut.
  • the section of the underside of the bridge 48 lying between the two sleeves 46 also forms a running surface 52 against which the second narrow side of the wing 20 rests. Over the running surfaces 42, 50 and 52 of the wing 20 is thus guided defined and can be moved to both sides of the wing longitudinal axis 54.
  • the sleeves 46 have a first section 56 into which the pins 36 can be inserted. At this first portion 56, a second portion 58 adjoins, which is also hollow, but in which struts 60 extend, which are arranged in particular in an approximately radial direction.
  • the Sleeves 46 are thus mainly formed by walls having a substantially "D-shape". The mass of the rotor housing 24 is therefore relatively low.
  • the mandrels 36 are hollow, their mass is determined by the weight of the walls 40.
  • the rectangular portion 30 is made hollow, whereby its mass is reduced. This cavity extends from the free end of the portion 30 to the lubricant bore 44. This cavity is bounded by the substantially rectangular wall of the portion 30.
  • the parts of the cylindrical portion 32 protruding laterally beyond the section 30 are hollow, these cavities extending to the underside of the plate 34 and having a substantially D-shaped cross section on each side. As a result, the mass of the portion 32 is reduced.
  • a further reduction in the weight of the rotor 18 is achieved in that a part of the rotor 18 is made of sintered metal, whereas the other part is a plastic part.
  • the rotor housing 24 is made of plastic.

Landscapes

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

Abstract

L'invention concerne une pompe à vide à une ailette, qui comprend un carter de pompe (12) en forme de creuset, un rotor (18) monté de manière rotative et excentrique dans le carter, une ailette (20) logée mobile dans le rotor orthogonalement à l'axe de rotation, ainsi qu'un couvercle de carter fermant les espaces de travail séparés par l'ailette (20). Selon l'invention, le rotor (18) est constitué au moins partiellement de métal fritté.
PCT/EP2005/004209 2004-07-09 2005-04-20 Pompe à vide à une ailette WO2006005380A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020077003041A KR101131741B1 (ko) 2004-07-09 2005-04-20 싱글 블레이드 진공 펌프
EP05742896A EP1766240B1 (fr) 2004-07-09 2005-04-20 Pompe à vide à une ailette
CA002575775A CA2575775A1 (fr) 2004-07-09 2005-04-20 Pompe a vide a une ailette
DE502005002006T DE502005002006D1 (de) 2004-07-09 2005-04-20 Einflügelvakuumpumpe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004034925.8 2004-07-09
DE102004034925A DE102004034925B3 (de) 2004-07-09 2004-07-09 Einflügelvakuumpumpe

Publications (1)

Publication Number Publication Date
WO2006005380A1 true WO2006005380A1 (fr) 2006-01-19

Family

ID=34967982

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2005/004209 WO2006005380A1 (fr) 2004-07-09 2005-04-20 Pompe à vide à une ailette
PCT/EP2005/007028 WO2006005445A1 (fr) 2004-07-09 2005-06-30 Ailette pour pompe a vide a une seule ailette

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/007028 WO2006005445A1 (fr) 2004-07-09 2005-06-30 Ailette pour pompe a vide a une seule ailette

Country Status (6)

Country Link
EP (2) EP1766240B1 (fr)
KR (2) KR101131741B1 (fr)
CN (2) CN100529405C (fr)
CA (2) CA2575775A1 (fr)
DE (3) DE102004034925B3 (fr)
WO (2) WO2006005380A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009062592A2 (fr) * 2007-11-13 2009-05-22 Ixetic Hückeswagen Gmbh Rotor fritté
WO2012010397A3 (fr) * 2010-07-03 2013-05-16 Mahle International Gmbh Pompe à palette rotative
WO2012167780A3 (fr) * 2011-06-07 2013-12-12 Ixetic Bad Homburg Gmbh Rotor pour une pompe à palettes
EP3029326A4 (fr) * 2013-10-07 2017-06-07 Sanoh Industrial Co., Ltd. Pompe à pression négative et couvercle de tête de cylindre
WO2017152939A1 (fr) * 2016-03-07 2017-09-14 Pierburg Pump Technology Gmbh Pompe à vide pour automobile
US11149730B2 (en) 2018-07-11 2021-10-19 Taiho Kogyo Co., Ltd. Vane pump driven by an engine of an automobile

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006016243A1 (de) 2006-03-31 2007-10-04 Joma-Hydromechanic Gmbh Rotorpumpe und Flügel für eine Rotorpumpe
ITTO20060673A1 (it) * 2006-09-21 2008-03-22 Vhit Spa Pompa rotativa a palette
US8961148B2 (en) 2011-07-19 2015-02-24 Douglas G. Hunter Unified variable displacement oil pump and vacuum pump
KR101909783B1 (ko) * 2016-02-11 2018-10-18 김경수 외부 케이싱과 동기하여 회전하는 회전형 베인 펌프 또는 진공 펌프

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131442A1 (de) * 1981-08-07 1983-02-24 Mitsubishi Electric Corp Pumpe
DE4020082A1 (de) * 1989-07-07 1991-01-17 Barmag Barmer Maschf Fluegelzellen-vakuumpumpe
DE19500542A1 (de) * 1995-01-11 1996-07-18 Pierburg Gmbh Drehkolbenpumpe
DE19703499A1 (de) * 1997-01-31 1998-08-06 Pierburg Ag Drehkolbenpumpe
DE10247668A1 (de) * 2001-10-15 2003-04-17 Luk Automobiltech Gmbh & Co Kg Vakuumpumpe
EP1424495A2 (fr) * 2000-03-15 2004-06-02 Joma-Hydromechanic GmbH Pompe à palettes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088426A (en) 1976-05-17 1978-05-09 The Rovac Corporation Sliding vane type of compressor-expander having differential eccentricity feature
JPS5720852Y2 (fr) * 1978-05-22 1982-05-06
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
DE8602905U1 (de) * 1986-02-05 1986-03-27 Strittmatter, Hans-Peter, 78112 St Georgen Flügelzellenpumpe
DE3916869A1 (de) * 1989-05-24 1990-11-29 Korinek Anton Dipl Ing Fh Rotationsschieberpumpe
DE4208194A1 (de) * 1992-03-14 1993-09-16 Leybold Ag Verfahren zum betrieb einer oelgedichteten vakuumpumpe sowie fuer die durchfuehrung dieses verfahrens geeignete vakuumpumpe
IT1293672B1 (it) * 1997-08-01 1999-03-08 Magneti Marelli Spa Depressore rotativo a palette.
DE19981942B4 (de) * 1998-09-30 2009-07-23 Ixetic Hückeswagen Gmbh Vakuumpumpe
EP1055823B1 (fr) * 1998-12-14 2008-02-20 Mitsubishi Denki Kabushiki Kaisha Pompe a vide a ailettes pour automobiles
DE10012406A1 (de) * 2000-03-15 2001-09-20 Joma Hydromechanic Gmbh Vakuumpumpe
DE10046697A1 (de) * 2000-09-21 2002-04-11 Bosch Gmbh Robert Flügel aus Kunststoff für eine Flügelzellen-Vakuumpumpe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131442A1 (de) * 1981-08-07 1983-02-24 Mitsubishi Electric Corp Pumpe
DE4020082A1 (de) * 1989-07-07 1991-01-17 Barmag Barmer Maschf Fluegelzellen-vakuumpumpe
DE19500542A1 (de) * 1995-01-11 1996-07-18 Pierburg Gmbh Drehkolbenpumpe
DE19703499A1 (de) * 1997-01-31 1998-08-06 Pierburg Ag Drehkolbenpumpe
EP1424495A2 (fr) * 2000-03-15 2004-06-02 Joma-Hydromechanic GmbH Pompe à palettes
DE10247668A1 (de) * 2001-10-15 2003-04-17 Luk Automobiltech Gmbh & Co Kg Vakuumpumpe

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009062592A2 (fr) * 2007-11-13 2009-05-22 Ixetic Hückeswagen Gmbh Rotor fritté
WO2009062592A3 (fr) * 2007-11-13 2009-08-20 Ixetic Hueckeswagen Gmbh Rotor fritté
WO2012010397A3 (fr) * 2010-07-03 2013-05-16 Mahle International Gmbh Pompe à palette rotative
WO2012167780A3 (fr) * 2011-06-07 2013-12-12 Ixetic Bad Homburg Gmbh Rotor pour une pompe à palettes
EP3029326A4 (fr) * 2013-10-07 2017-06-07 Sanoh Industrial Co., Ltd. Pompe à pression négative et couvercle de tête de cylindre
US9803640B2 (en) 2013-10-07 2017-10-31 Sanoh Industrial Co., Ltd. Negative pressure pump and cylinder head cover
WO2017152939A1 (fr) * 2016-03-07 2017-09-14 Pierburg Pump Technology Gmbh Pompe à vide pour automobile
US10982673B2 (en) 2016-03-07 2021-04-20 Pierburg Pump Technology Gmbh Automotive vacuum pump
US11149730B2 (en) 2018-07-11 2021-10-19 Taiho Kogyo Co., Ltd. Vane pump driven by an engine of an automobile

Also Published As

Publication number Publication date
WO2006005445A1 (fr) 2006-01-19
DE502005002006D1 (de) 2007-12-27
CA2575890A1 (fr) 2006-01-19
CA2575775A1 (fr) 2006-01-19
CN101010514A (zh) 2007-08-01
CN100529405C (zh) 2009-08-19
KR101131741B1 (ko) 2012-04-05
DE502005002846D1 (de) 2008-03-27
CN101002024A (zh) 2007-07-18
EP1766242B1 (fr) 2008-02-13
EP1766240B1 (fr) 2007-11-14
DE102004034925B3 (de) 2006-02-16
KR20070034092A (ko) 2007-03-27
EP1766240A1 (fr) 2007-03-28
KR101225346B1 (ko) 2013-01-23
KR20070042547A (ko) 2007-04-23
EP1766242A1 (fr) 2007-03-28

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