EP1293673A2 - Flügelzellenpumpe - Google Patents

Flügelzellenpumpe Download PDF

Info

Publication number
EP1293673A2
EP1293673A2 EP02020795A EP02020795A EP1293673A2 EP 1293673 A2 EP1293673 A2 EP 1293673A2 EP 02020795 A EP02020795 A EP 02020795A EP 02020795 A EP02020795 A EP 02020795A EP 1293673 A2 EP1293673 A2 EP 1293673A2
Authority
EP
European Patent Office
Prior art keywords
end plate
pressure
pump according
pressure field
counter
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
EP02020795A
Other languages
German (de)
English (en)
Other versions
EP1293673B1 (fr
EP1293673A3 (fr
Inventor
Günter Lutz
Uwe Zellner
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.)
Robert Bosch Automotive Steering GmbH
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 EP1293673A2 publication Critical patent/EP1293673A2/fr
Publication of EP1293673A3 publication Critical patent/EP1293673A3/fr
Application granted granted Critical
Publication of EP1293673B1 publication Critical patent/EP1293673B1/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
    • F01C21/10—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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid

Definitions

  • the invention relates to a pump, in particular a Vane or roller pump according to the generic term Art defined by claim 1.
  • a generic vane pump is from DE 41 12 196 A1 known. Other such pumps are also known from the prior art and become frequently used in practice.
  • the vane pump known from DE 41 12 196 A1 has a in the usual way on a drive shaft Runner set on.
  • the runner set consists of one Curved ring and a runner with wings.
  • the wings are radially slidably guided in the rotor. On the outside, the wings rest on the curve ring.
  • the runner is between a front end plate and one rear pressure plate arranged.
  • the pressure plate may be similar to that in alternative embodiments Be designed so that the pressure plate can also be called an end plate.
  • Pressure plate Behind that known from the generic script Pressure plate is a pressure chamber that over Pressure ports, commonly referred to as pressure kidneys with the pressure-promoting delivery rooms communicates.
  • the pressure chamber provides foreplay compensation, to minimize the leak oil under pressure.
  • the funding areas are between the runner, the curve ring and the wings.
  • the pressure medium in general oil, flows to the suction-side delivery rooms from a tank via an inlet bore and an annular chamber too.
  • the present invention is based on the object to solve the disadvantages of the prior art and the known pumps, especially the vane and To improve roller pumps in such a way that setting or Mostly embed the cam ring in an end plate is excluded.
  • this task is characterized by Part of claim 1 features solved.
  • the fact that the end plate with at least one counterpressure field bordering the rotor set is a back pressure on the rotor set or on applied the cam ring included in the rotor set become.
  • the axial movement of the rotor set or end Curve ring and thus the setting process in the with End plate provided with counter pressure field can thus be prevented become.
  • the counter pressure field can be particularly simple, almost cost-neutral, in the Integrate end plate and can be groove-shaped, for example be trained.
  • the back pressure or the counterforce becomes easier Way through the working medium, for example Oil, and the pressure that the pump generates.
  • the working fluid or the pump pressure prevents without any further supply of energy or a complex construction would be necessary, an embedding of the cam ring in the face plate.
  • the counter pressure field can be designed in such a way that a setting process of the cam ring in the face plate is excluded, and nonetheless leaky areas, through which leakage oil could escape, for example, be avoided.
  • the cam ring floats on the counter pressure field.
  • the solution according to the invention is not limited to the face plates that on their end facing away from the rotor set a housing wall are arranged, but extends also on the face plates, which on the of a pressure chamber facing away from the rotor set or the like.
  • the at least one counter pressure field with a pressure kidney of the face plate stands and the face plate with two pressure kidneys each has an associated back pressure field.
  • the end plate has two pressure kidneys, each connected to a counter pressure field are a counterforce or a simple Back pressure can be built up, which is a setting of the cam ring prevented in the corresponding end plate.
  • the introduction of the work equipment is easier Way by connecting the pressure kidney to the back pressure field.
  • the Counter pressure field in the area of a bearing surface of the cam ring is arranged.
  • the at least one Print kidney of those with the counter pressure field End plate is designed as a blind hole or through the adjacent housing or a housing cover the end face facing away from the rotor set is.
  • Inflow of the working fluid between the housing and the end plate provided with the counter pressure field is generally not desired and can be replaced by the Design of the pressure kidney as a blind hole or that the pressure kidney through the adjacent housing or limiting a housing cover become.
  • a further development of the invention can provide be that at least one end plate integrally with the housing cover and / or the housing is.
  • a housing or a housing cover which contains the functions of the end plate can according to the invention also easily with a counter pressure field be provided, as a setting of the rotor set or the cam ring also occur in this case can.
  • End plates in the housing or in the housing cover are already integrated known in the art.
  • One of the essential ones Functions of the face plates is also limiting the Rotor assembly.
  • the double-stroke vane pump shown in FIG. 1 is basically of a known design, for what e.g. is referred to DE 41 12 196 A1, which is why below only essential parts for the invention are described in more detail.
  • a rotor set 2 is arranged on a drive shaft 1, that of a cam ring 3 and a rotor or runner 4 with wings 5.
  • the wings 5 are radial in a known manner slidably guided in the rotor 4. Lie on the outside the wings 5 on the cam ring 3. In the embodiment is the use of ten radial arranged wings 5 provided.
  • the rotor set 2 is between a housing side End plate 6, which on the housing 7 of the vane pump adjoins and a cover-side end plate 8, which at least partially adjoins a housing cover 9, arranged.
  • the pressure chamber 10 stands over the pressure kidneys 11 the pressurized delivery rooms in connection.
  • the Funding areas are generally between the Runner 4, the cam ring 3 and the wings 5 are formed.
  • the working or pressure medium generally oil, does not flow from the suction-side delivery rooms shown tank via an inlet bore 12 and a Annular chamber 13 too.
  • cover-side end plate 8 In the cover-side end plate 8 are in in a known manner partially annular channels 14, which are known in the Way with lower wing spaces not shown are connected and for pressing the wings 5 serve.
  • bores For fixing the cover-side end plate 8 bores, not shown, can be provided, engage the corresponding pins.
  • the front plate 6 on the housing two counter pressure fields 15 on.
  • the counter pressure fields 15 are each with a corresponding adjacent pressure kidney 16, the are located in the end plate 6 on the housing side, connected.
  • Pressure kidneys 16 flow into the working fluid, so that the pump working pressure is present. The generated by it Back pressure prevents the Curve ring 3 in the housing-side end plate 6.
  • FIGS. 1 and 2 are according to the invention two counter pressure fields 15 and two pressure kidneys 16 is provided in the end plate 6 on the housing side.
  • the counter pressure fields 15 are in the area of one Support surface of the cam ring 3 arranged.
  • FIGS. 1 and 2 are the back pressure fields 16 through the housing End plate 6 and the cam ring 3 limited.
  • the embodiment shows here how in particular Fig. 2 shows a particularly inexpensive Realizing design in which the counter pressure fields 15 are integrated in the end plate 6.
  • the counter pressure fields 15 are formed in the shape of an arc of a ring, can, however, in alternative configurations also have other shapes adapted to the end plate 6.
  • the counter pressure fields 15 can be used as grooves, depressions, Recesses, notches, incisions, Hollows or the like may be formed. there the training as a groove has been particularly suitable exposed.
  • the bores 17 which can be seen in FIG. 2 serve for fixing the housing-side end plate 6 on the cam ring 3.
  • dowel pins with a thickness of 5 mm can be used.
  • the solution according to the invention is not based on the type of pump shown is limited.
  • the cover-side end plate 8 or the pressure plate with counter pressure fields 15 in addition or alternatively to the use of counter pressure fields 15 in the cover-side end plate 8 is provided.
  • the housing-side end plate 6 or the cover-side End plate 8 can of course also be in one piece with the housing 7 or the housing cover 9 trained or integrated into this.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP02020795A 2001-09-18 2002-09-17 Flügelzellenpumpe Expired - Lifetime EP1293673B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10145866A DE10145866A1 (de) 2001-09-18 2001-09-18 Pumpe, insbesondere Flügelzellenpumpe
DE10145866 2001-09-18

Publications (3)

Publication Number Publication Date
EP1293673A2 true EP1293673A2 (fr) 2003-03-19
EP1293673A3 EP1293673A3 (fr) 2004-07-28
EP1293673B1 EP1293673B1 (fr) 2005-11-30

Family

ID=7699371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020795A Expired - Lifetime EP1293673B1 (fr) 2001-09-18 2002-09-17 Flügelzellenpumpe

Country Status (4)

Country Link
EP (1) EP1293673B1 (fr)
AT (1) ATE311537T1 (fr)
DE (2) DE10145866A1 (fr)
ES (1) ES2254580T3 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4112196A1 (de) 1991-04-13 1992-10-15 Zahnradfabrik Friedrichshafen Fluegelzellenpumpe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3710227B2 (ja) * 1995-12-06 2005-10-26 カヤバ工業株式会社 ベーンポンプ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4112196A1 (de) 1991-04-13 1992-10-15 Zahnradfabrik Friedrichshafen Fluegelzellenpumpe

Also Published As

Publication number Publication date
EP1293673B1 (fr) 2005-11-30
EP1293673A3 (fr) 2004-07-28
ES2254580T3 (es) 2006-06-16
DE10145866A1 (de) 2003-04-17
DE50205094D1 (de) 2006-01-05
ATE311537T1 (de) 2005-12-15

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