WO2006005383A1 - Pompe a vide a une ailette - Google Patents

Pompe a vide a une ailette Download PDF

Info

Publication number
WO2006005383A1
WO2006005383A1 PCT/EP2005/004212 EP2005004212W WO2006005383A1 WO 2006005383 A1 WO2006005383 A1 WO 2006005383A1 EP 2005004212 W EP2005004212 W EP 2005004212W WO 2006005383 A1 WO2006005383 A1 WO 2006005383A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum pump
pump according
insert
housing
outlet opening
Prior art date
Application number
PCT/EP2005/004212
Other languages
German (de)
English (en)
Inventor
Willi Schneider
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
Application filed by Joma-Hydromechanic Gmbh filed Critical Joma-Hydromechanic Gmbh
Priority to KR1020077003038A priority Critical patent/KR20070034090A/ko
Priority to EP05739759A priority patent/EP1766239B1/fr
Priority to DE502005006154T priority patent/DE502005006154D1/de
Priority to CA2575780A priority patent/CA2575780C/fr
Priority to CN2005800270419A priority patent/CN101002022B/zh
Publication of WO2006005383A1 publication Critical patent/WO2006005383A1/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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
    • F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
    • F04C29/128—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves
    • 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
    • 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
    • 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
    • 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
    • F04C29/028—Means for improving or restricting lubricant flow
    • 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

Definitions

  • the invention relates to a single-wing vacuum pump with a cup-shaped housing, a rotor rotatably mounted eccentrically in the housing, a rotatably mounted in the rotor orthogonal to the axis of rotation, which rests with its wing tips on a working space defining peripheral surface and thereby dividing the working space into a suction chamber and a pressure chamber , And the suction chamber with an air inlet opening and the pressure chamber are provided with an air outlet opening.
  • Vacuum pumps of such a construction are known. They usually have a housing in which a rotor is rotatably mounted, wherein the rotor is located in a working space. Such vacuum pumps are u.a. also used in vehicles, where, for example, the motor of the motor vehicle rotates the rotor. These vacuum pumps are lubricated with oil, which also serves to seal the sealing gap between the wing and working space. It is desirable that as little as possible oil is led out of the air outlet opening of the pressure chamber from the working space.
  • the invention has for its object to provide a single-wing vacuum pump, in which the air leaving the pressure chamber is loaded with less oil.
  • the air outlet opening is in the peripheral surface surrounding the pressure chamber and not, as in the prior art, in the bottom of the pressure chamber, which is penetrated by the rotor.
  • the arrangement of the outlet opening in the peripheral wall of the essential advantage is provided that the size of the opening cross-section can be made larger than when the outlet opening is provided in the bottom.
  • the pressure chamber is emptied faster and expelling the sucked air from the pressure chamber less energy is needed.
  • a gradual opening can be effected. For example, the opening edge may be skewed so that the outlet opening is initially available with a small cross-section that gradually increases. As a result, pressure surges are avoided.
  • an exhaust valve connects directly to the air outlet opening.
  • the outlet valve is arranged in the peripheral wall of the housing. This arrangement is very space-saving and it is avoided that the housing is externally provided with attachments.
  • the exhaust valve is a leaf spring valve.
  • Such valves are responsive, require a very small amount of space and are above all inexpensive. If the back of the exhaust valve is flat, then it settles the leaf spring valve optimally to the edge of the outlet, without the need for special Anpress Anlagenn. The exhaust valve is thus closed in the suction and opens to expel the air.
  • the air outlet opening is provided with an insert, wherein the insert forms part of the peripheral surface of the pressure chamber or is integrated in the housing wall.
  • the insert forms part of the peripheral surface of the pressure chamber or is integrated in the housing wall.
  • a variant according to the invention provides that an oil outlet opening is provided in the peripheral surface surrounding the suction space. Rotates the rotor, for whatever reason, backwards, then in the suction chamber accumulating lubricating oil can be removed from this ⁇ lauslassö réelle because the suction prevents a corresponding valve that already sucked air and lubricating oil are ejected again. This air and the lubricating oil can now escape through the oil outlet.
  • the outlet valve directly adjoins the oil outlet opening. This valve prevents air and / or oil from being drawn in through the oil outlet when the pump is in normal operation.
  • the outlet valve is arranged in the peripheral wall of the housing.
  • This outlet valve can also be designed as a leaf spring valve, and advantageously both the outlet valve of the oil outlet opening and the outlet valve of the air outlet opening are formed by a single component.
  • This single component in the form of a leaf spring valve is, for example, a stamped sheet metal part which has two spring tongues.
  • the oil outlet opening is also provided in an insert, wherein the insert forms part of the peripheral surface of the working space or of the suction space.
  • the insert extends from the pressure chamber into the suction chamber, wherein the insert advantageously expands over the entire height of the inner circumferential surface.
  • the insert consists according to the invention of an elastic material, in particular of plastic.
  • the insert can act as a support or holding element for the outlet valve, wherein the outlet valve is provided between the insert and the housing wall.
  • the outlet valve may also be provided in use, wherein the outlet valve is, for example, encapsulated by the material of the insert.
  • Figure 1 is an assembled view of the vacuum pump
  • Figure 2 is a perspective view of the housing without
  • Rotor and vanes showing the two outlet openings in the peripheral wall.
  • a vacuum pump 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 has a rotor housing 24, with which it bears against an inner peripheral surface 22 of a working space 30.
  • the rotor 18 passes through the housing 12, in particular a bottom 26 of the interior 18 via a drive opening 28 and protrudes on the rear side out of the housing 12, so that it can be rotated (by means of a drive, not shown).
  • 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 interior 16 is divided by the wing 20 into a suction chamber 40 and a pressure chamber 42.
  • an insert 38 is positioned at the transition from the suction chamber 40 to the pressure chamber 42.
  • this transition is designated by reference numeral 44, whereby at this transition 44, the peripheral wall 46 of the circular-cylindrical rotor housing 24 rests against the inner circumferential surface 22. It is clear that in this area of transition 44 in the Inner circumferential surface 22 both an air outlet opening 48 and an oil outlet 50 are located.
  • Air outlet 48 extends over a portion of the height of the inner peripheral surface 22, but it may also extend over the entire height of the inner peripheral surface 22 or at least over a substantial part of this height.
  • the air outlet opening 48 extends in the circumferential direction away from the transition 44 and ends in an oblique front edge 52. This avoids that the air outlet opening 48 opens abruptly, or the pressure chamber 42 is too fast connected to the air outlet opening 48, whereby pressure surges can occur , The gradual opening is assisted by the fact that the channel of the air outlet opening 48 gradually increases in its radial depth in the direction of rotation of the wing 20 (arrow 54 according to FIG. 1).
  • the air outlet opening 48 opens into the insert 38, which is shown in Figure 2 above an insert 38 receiving opening 56.
  • the channel of the air outlet opening 48 is deflected downward, so that the expelled gas of the housing 12 in the direction of the axis of the opening 56 leaves downward.
  • valve body 58 Between the insert 38 and the air outlet opening 48 is still a valve body 58, in which an outlet valve 60 is provided.
  • the valve body 58 has a further outlet valve 62 which is assigned to the oil outlet opening 50 and closes it. Both outlet valves 60 and 62 are formed as leaf spring valves and open both in the direction of the insert 38 and thereby prevent suction through the openings 48 and 50 in the direction of the interior 16.
  • the insert 38 has a shape and thickness of Valve body 58 corresponding recess 64, in which the Valve body 58 is inserted before the insert 38 is inserted into the opening 56.

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 (12) en forme de creuset, un rotor (18) monté de manière rotative et excentrique dans le carter, une ailette (20) qui est logée mobile dans le rotor orthogonalement à l'axe de rotation, dont les pointes s'appuient contre une surface périphérique (22) délimitant un espace de travail (30) et qui subdivise, ce faisant, l'espace de travail en une chambre d'aspiration (40) et en une chambre de pression (42), la chambre d'aspiration étant munie d'un orifice d'entrée d'air et la chambre de pression d'un orifice de sortie d'air (48). Selon l'invention, l'orifice de sortie d'air est placé dans la surface périphérique entourant la chambre de pression (42).
PCT/EP2005/004212 2004-07-09 2005-04-20 Pompe a vide a une ailette WO2006005383A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020077003038A KR20070034090A (ko) 2004-07-09 2005-04-20 싱글-블레이드 진공 펌프
EP05739759A EP1766239B1 (fr) 2004-07-09 2005-04-20 Pompe a vide a une ailette
DE502005006154T DE502005006154D1 (de) 2004-07-09 2005-04-20 Einflügelvakuumpumpe
CA2575780A CA2575780C (fr) 2004-07-09 2005-04-20 Pompe a vide a une ailette
CN2005800270419A CN101002022B (zh) 2004-07-09 2005-04-20 单叶片真空泵

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004034926.6 2004-07-09
DE102004034926A DE102004034926B3 (de) 2004-07-09 2004-07-09 Einflügelvakuumpumpe

Publications (1)

Publication Number Publication Date
WO2006005383A1 true WO2006005383A1 (fr) 2006-01-19

Family

ID=34966845

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/004212 WO2006005383A1 (fr) 2004-07-09 2005-04-20 Pompe a vide a une ailette

Country Status (6)

Country Link
EP (1) EP1766239B1 (fr)
KR (1) KR20070034090A (fr)
CN (1) CN101002022B (fr)
CA (1) CA2575780C (fr)
DE (2) DE102004034926B3 (fr)
WO (1) WO2006005383A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170363084A1 (en) * 2015-04-07 2017-12-21 Wabco Europe Bvba Compact, highly integrated, oil lubricated electric vacuum compressor

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20051008A1 (it) 2005-05-30 2006-11-30 O M P Officine Mazzocco Pagnon Depressore per motore per autoveicoli e valvola di non ritorno per tale depresore
DE112007001540B4 (de) * 2006-07-21 2016-05-12 Magna Powertrain Hückeswagen GmbH Vakuumpumpe
DE112007001576A5 (de) * 2006-07-21 2009-04-16 Ixetic Hückeswagen Gmbh Vakuumpumpe
DE102007001593B4 (de) * 2007-01-04 2009-12-31 Joma-Polytec Kunststofftechnik Gmbh Vakuumpumpe
DE102007018247A1 (de) 2007-04-12 2008-10-16 Joma-Hydromechanic Gmbh Vakuumpumpe
DE102010007255A1 (de) 2010-02-09 2011-08-11 Bayerische Motoren Werke Aktiengesellschaft, 80809 Fluidpumpe
DE102010044898A1 (de) * 2010-09-09 2012-03-15 Schwäbische Hüttenwerke Automotive GmbH Vakuumpumpe mit Lüftungseinrichtung
KR101307912B1 (ko) * 2011-07-27 2013-09-13 (주)모토닉 전동식 진공펌프
KR200470937Y1 (ko) * 2012-11-14 2014-02-05 금강정밀(주) 진공흡입차량에 구비된 진공펌프의 구조
DE102013200410B4 (de) 2013-01-14 2017-12-07 Schwäbische Hüttenwerke Automotive GmbH Gaspumpe mit Druckentlastung zur Reduzierung des Anfahrdrehmoments
CN104747446B (zh) * 2015-01-27 2017-06-20 长城汽车股份有限公司 一种真空泵、制动系统及汽车
EP3303843B1 (fr) * 2015-06-02 2020-05-20 Pierburg Pump Technology GmbH Pompe à vide pour automobile
US20180245592A1 (en) * 2015-08-19 2018-08-30 Pierburg Pump Technology Gmbh Lubricated automotive vacuum pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191218254A (en) * 1911-08-10 1900-01-01 Baudot Joseph Improvements in Rotary Pumps and Motors.
CH249478A (de) * 1947-01-21 1947-06-30 Wuetrich Ernst Drehkolbenmaschine zur Förderung flüssiger oder gasförmiger Medien.
GB1214185A (en) * 1968-02-28 1970-12-02 Labortechnik Ilmenau Veb Liquid sealed rotary gas pump
US4133617A (en) * 1976-01-27 1979-01-09 Thomas Roach Vane type pump with optional high rate of flow or high pressure characteristics
WO2001038742A1 (fr) * 1999-11-26 2001-05-31 Leybold Vakuum Gmbh Pompe a vide comportant une sortie
WO2004044431A2 (fr) * 2002-11-13 2004-05-27 Luk Automobiltechnik Gmbh & Co. Kg Pompe a vide

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US1781073A (en) * 1928-06-16 1930-11-11 Keystone Refrigerating Corp Rotary compressor
DE3307856C2 (de) * 1983-03-05 1997-10-23 Gnieser Gmbh Auto Technik Druckventil eines Rotationskolbenverdichters
DE4019854B4 (de) * 1989-07-10 2004-09-16 Saurer Gmbh & Co. Kg Flügelzellen-Vakuumpumpe
DE4033420C2 (de) * 1990-10-20 1999-09-02 Bosch Gmbh Robert Druckventil
DE4118934C2 (de) * 1991-06-08 2001-04-05 Bosch Gmbh Robert Kompressor
CN2219973Y (zh) * 1995-03-28 1996-02-14 陈时云 叶片式真空泵
JP2000205159A (ja) * 1999-01-11 2000-07-25 Hitachi Ltd ベ―ン式真空ポンプ
EP1327778A3 (fr) * 2000-03-15 2003-07-23 Joma-Hydromechanic GmbH Pompe à palettes
KR100408152B1 (ko) * 2001-08-14 2003-12-01 주식회사 우성진공 로터리 베인형 진공펌프의 실린더구조

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191218254A (en) * 1911-08-10 1900-01-01 Baudot Joseph Improvements in Rotary Pumps and Motors.
CH249478A (de) * 1947-01-21 1947-06-30 Wuetrich Ernst Drehkolbenmaschine zur Förderung flüssiger oder gasförmiger Medien.
GB1214185A (en) * 1968-02-28 1970-12-02 Labortechnik Ilmenau Veb Liquid sealed rotary gas pump
US4133617A (en) * 1976-01-27 1979-01-09 Thomas Roach Vane type pump with optional high rate of flow or high pressure characteristics
WO2001038742A1 (fr) * 1999-11-26 2001-05-31 Leybold Vakuum Gmbh Pompe a vide comportant une sortie
WO2004044431A2 (fr) * 2002-11-13 2004-05-27 Luk Automobiltechnik Gmbh & Co. Kg Pompe a vide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170363084A1 (en) * 2015-04-07 2017-12-21 Wabco Europe Bvba Compact, highly integrated, oil lubricated electric vacuum compressor

Also Published As

Publication number Publication date
CN101002022B (zh) 2012-06-06
CA2575780A1 (fr) 2006-01-19
CA2575780C (fr) 2015-07-07
DE102004034926B3 (de) 2005-12-29
DE502005006154D1 (de) 2009-01-15
EP1766239A1 (fr) 2007-03-28
EP1766239B1 (fr) 2008-12-03
KR20070034090A (ko) 2007-03-27
CN101002022A (zh) 2007-07-18

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