WO2014191175A1 - Pompe volumétrique, en particulier pompe rotative à palettes - Google Patents

Pompe volumétrique, en particulier pompe rotative à palettes Download PDF

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Publication number
WO2014191175A1
WO2014191175A1 PCT/EP2014/059308 EP2014059308W WO2014191175A1 WO 2014191175 A1 WO2014191175 A1 WO 2014191175A1 EP 2014059308 W EP2014059308 W EP 2014059308W WO 2014191175 A1 WO2014191175 A1 WO 2014191175A1
Authority
WO
WIPO (PCT)
Prior art keywords
positive displacement
displacement pump
rotor
pump according
cam ring
Prior art date
Application number
PCT/EP2014/059308
Other languages
German (de)
English (en)
Inventor
Fuad Koldzic
Thomas Wekenmann
Original Assignee
Zf Lenksysteme 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 Zf Lenksysteme Gmbh filed Critical Zf Lenksysteme Gmbh
Publication of WO2014191175A1 publication Critical patent/WO2014191175A1/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
    • 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
    • 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
    • F01C21/0818—Vane tracking; control therefor
    • F01C21/0854—Vane tracking; control therefor by fluid means
    • F01C21/0863—Vane tracking; control therefor by fluid means the fluid being the working fluid
    • 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
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
    • 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
    • F04C2240/30—Casings or housings

Definitions

  • the invention relates to a positive displacement pump, in particular vane pump according to the closer defined in the preamble of claim 1.
  • a vane pump of this type is known for example from DE 10 2009 000 155 A1.
  • the wings are pressed by a hydraulic pressure to the outside against the inner contour of a cam ring. This hydraulic pressure is applied to the wings over a constant geometry of a
  • the rear wing channel is provided in the transition region between the suction and the pressure area with a break.
  • Wing pressure to the outside against the cam ring may not be sufficient.
  • Rear wing area Favorable by a lack of hydraulic support in the hindwing area also takes place in an adverse manner overflow at the vane radius.
  • the present invention has for its object to provide a positive displacement pump of the type mentioned, in which eliminates the disadvantages mentioned above or at least largely avoided, especially in which no high wear and less leakage occurs.
  • the rear wing channel is filled with a fluid as a pressure medium, generally oil, or the oil is displaced therefrom.
  • Displacement takes place when the wings are pushed through the cam ring to the center of the axle.
  • the reduction or increase in the flow volume can be done in accordance with the invention by reducing the width and / or the depth of Deutschenerielkanales. Preferably, the reduction or increase is carried out continuously.
  • the Hintereriel System or Hintererielkanal has virtually at least one non-coaxial to the axis of the rotor contour (on the inside and / or
  • the rear wing channel in the transition region between the suction and the pressure region with at least one radially extending
  • Hind wing area is present and high sudden pressure differences are avoided. The transition is thus more homogeneous.
  • the rear wing channel begins in the entrance area to the printing area by a ramp.
  • a preferred inclined ramp while maintaining a high pressure, the volume of oil in the Schuerielkanal is gradually increased to full flow.
  • the inclined plane of the ramp with the resulting gradual increase in the groove depth in the transition to the high pressure area thus ensures a high pressure in the Schuerielkanal, thereby ensuring a greater supply of oil.
  • Pressure range in the direction of the suction area is increased with decreasing space of the hydraulic pressure and thus pressed the wing each rising homogeneously against the inner wall of the cam ring.
  • the reversal with the same advantage is achieved by increasing the flow volume in the suction area accordingly.
  • FIG. 1 shows a longitudinal section through a vane pump as positive displacement pump.
  • Figure 2 shows a control panel of the vane pump according to the invention.
  • Vane pumps as positive displacement pumps of the type mentioned are well known, which is why below only in detail for the invention essential parts.
  • a vane pump may be provided for conveying a fluid, such as hydraulic oil, for a power steering system of a passenger car.
  • a cam ring 2 In an outer ring 1 of a housing of the vane pump is a cam ring 2, arranged in the interior of the cam ring 2 runner or rotor 3, with a cam ring 2, arranged in the interior of the cam ring 2 runner or rotor 3, with a cam ring 2, arranged in the interior of the cam ring 2 runner or rotor 3, with a cam ring 2, arranged in the interior of the cam ring 2 runner or rotor 3, with a
  • Drive shaft 4 is rotatably connected, stored.
  • the rotor 3 is provided with radially outwardly open slots, in which wings 5 are guided displaceably.
  • the wings 5 are radially outward against the inner circumference of the cam ring 2.
  • the cam ring 2 surrounds the rotor 3 and, together with the rotor and a control plate 6 with the blades 5, adjoins one another in the circumferential direction successive working chambers.
  • the suction and / or pressure side supply of the working chambers in the suction takes place by means of a suction kidney 7 and in the pressure range of Vane pump via a pressure kidney 8.
  • a suction kidney 7 and in the pressure range of Vane pump via a pressure kidney 8.
  • the Hintererielkanal 9 is in a part-circular annular channel 9a, located in the
  • Rear wing area of the suction side is located in the control panel and a first
  • the width of the part-circular annular channel 9b decreases in a sickle-shaped manner from the pressure region in the direction of the suction region.
  • the crescent-shaped reduction runs along the inner diameter of the annular channel 9b, whereby an enlargement of the
  • the Hinterhofflkanal or part-circular annular channel 9a in the figure 2 extends coaxially with the same groove width and groove depth.
  • Another embodiment may be that the annular channel 9b in
  • Pressure range runs continuously and the sickle shape is provided with the widening toward the pressure area sickle only in the suction area.
  • the annular channel 9b begins with an inclined ramp 12 (see FIG. 2).
  • the inclined ramp 12 begins at the surface of the control plate and extends axially obliquely down to the bottom of the groove of the annular channel 9b.
  • the ramp-shaped lowering to the bottom of the groove can also be carried out stepwise by a plurality of ramps 12 arranged one behind the other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

L'invention concerne une pompe volumétrique, en particulier, une pompe rotative à palettes, pour le refoulement d'un fluide, pour un consommateur d'un système de direction, comprenant un rotor (3), à la surface périphérique duquel sont ménagées des fentes s'étendant sur toute sa largeur, au moins approximativement radialement, dans lesquelles sont disposées des palettes (5) déplaçables qui sont guidées, lors de la rotation du rotor (3), le long du contour d'un anneau elliptique (2) réglable, ainsi qu'une plaque frontale et une plaque de distribution (6), entre lesquelles sont intercalés le rotor (3) et l'anneau elliptique (2). La plaque de distribution et/ou la plaque frontale renferment un canal (9) de palette arrière, qui coopère avec des espaces de palette arrière pour presser la palette (5) contre l'anneau elliptique (2). Le débit volumique dans le canal (9) de palette arrière se réduit, de la zone de refoulement en direction de la zone d'aspiration et/ou augmente, de la zone d'aspiration en direction de la zone de refoulement. La réduction peut s'effectuer en forme de croissant.
PCT/EP2014/059308 2013-05-28 2014-05-07 Pompe volumétrique, en particulier pompe rotative à palettes WO2014191175A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013105436.6 2013-05-28
DE201310105436 DE102013105436A1 (de) 2013-05-28 2013-05-28 Verdrängerpumpe, insbesondere flügelzellenpumpe

Publications (1)

Publication Number Publication Date
WO2014191175A1 true WO2014191175A1 (fr) 2014-12-04

Family

ID=50639560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/059308 WO2014191175A1 (fr) 2013-05-28 2014-05-07 Pompe volumétrique, en particulier pompe rotative à palettes

Country Status (2)

Country Link
DE (1) DE102013105436A1 (fr)
WO (1) WO2014191175A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019121958A1 (de) * 2019-08-14 2021-02-18 Schwäbische Hüttenwerke Automotive GmbH Flügelzellenpumpe mit Druckausgleichsverbindung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1008753A2 (fr) * 1998-12-11 2000-06-14 Toyoda Koki Kabushiki Kaisha Pompe à palettes
US6244830B1 (en) * 1996-12-23 2001-06-12 Luk, Fahrzeug-Jydraulik Gmbh & Co. Kg Vane-cell pump
JP2008057361A (ja) * 2006-08-30 2008-03-13 Hitachi Ltd ベーンポンプ
DE102009000155A1 (de) 2009-01-13 2010-07-15 Zf Lenksysteme Gmbh Flügelzellenpumpe
WO2013064386A2 (fr) * 2011-11-04 2013-05-10 Continental Automotive Gmbh Dispositif de pompage pour le refoulement d'un fluide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2423474C3 (de) * 1974-05-14 1981-11-05 Daimler-Benz Ag, 7000 Stuttgart Flügelzelleneinrichtung, insbesondere -pumpe für Flüssigkeiten
DE19529806C2 (de) * 1995-08-14 1999-04-01 Luk Fahrzeug Hydraulik Flügelzellenpumpe
DE19707119C1 (de) * 1997-02-22 1998-08-13 Zahnradfabrik Friedrichshafen Hochdruckpumpe
DE19754285A1 (de) * 1997-12-08 1999-06-10 Luk Fahrzeug Hydraulik Flügelzellenmaschine, insbesondere Flügelzellenpumpe
US6050796A (en) * 1998-05-18 2000-04-18 General Motors Corporation Vane pump
DE10233582B4 (de) * 2002-07-24 2011-03-24 Zf Lenksysteme Gmbh Flügelzellenpumpe zur Förderung eines Fluids
DE102011054028A1 (de) * 2011-09-29 2013-04-04 Zf Lenksysteme Gmbh Verdrängerpumpe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6244830B1 (en) * 1996-12-23 2001-06-12 Luk, Fahrzeug-Jydraulik Gmbh & Co. Kg Vane-cell pump
EP1008753A2 (fr) * 1998-12-11 2000-06-14 Toyoda Koki Kabushiki Kaisha Pompe à palettes
JP2008057361A (ja) * 2006-08-30 2008-03-13 Hitachi Ltd ベーンポンプ
DE102009000155A1 (de) 2009-01-13 2010-07-15 Zf Lenksysteme Gmbh Flügelzellenpumpe
WO2013064386A2 (fr) * 2011-11-04 2013-05-10 Continental Automotive Gmbh Dispositif de pompage pour le refoulement d'un fluide

Also Published As

Publication number Publication date
DE102013105436A1 (de) 2014-12-04

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