WO2017021117A1 - Pompe volumétrique pour refouler un liquide pour un consommateur d'un véhicule à moteur - Google Patents

Pompe volumétrique pour refouler un liquide pour un consommateur d'un véhicule à moteur Download PDF

Info

Publication number
WO2017021117A1
WO2017021117A1 PCT/EP2016/066641 EP2016066641W WO2017021117A1 WO 2017021117 A1 WO2017021117 A1 WO 2017021117A1 EP 2016066641 W EP2016066641 W EP 2016066641W WO 2017021117 A1 WO2017021117 A1 WO 2017021117A1
Authority
WO
WIPO (PCT)
Prior art keywords
control plate
side control
housing
displacement pump
positive displacement
Prior art date
Application number
PCT/EP2016/066641
Other languages
German (de)
English (en)
Inventor
Ramazan GÖKÖZ
Stephan Grießer
Original Assignee
Robert Bosch Automotive Steering 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 Robert Bosch Automotive Steering Gmbh filed Critical Robert Bosch Automotive Steering Gmbh
Publication of WO2017021117A1 publication Critical patent/WO2017021117A1/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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • F04C15/0046—Internal leakage control
    • 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
    • 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

Definitions

  • Positive displacement pump for delivering a fluid for a consumer of a motor vehicle
  • the invention relates to a positive displacement pump for conveying a fluid for a consumer of a motor vehicle.
  • Control plate and a rotor and between a cover-side control plate and a rotor game provided.
  • leakage fluid escapes from a high pressure side into a low pressure side of the pump. This leakage fluid is located on a shaft, the housing side
  • Vane pump By damming the leakage fluid, a pressure on a low pressure side of the vane pump, which causes the shaft to slide against other pump components, increases.
  • DE 10 2005 043 252 A1 discloses a positive-displacement pump in which a relief bore is provided in order to relieve a radial gap between the housing and the outer ring of leakage fluids of the fluid connections leading to the pressure chambers.
  • the leakage occurs through the fluid connections, which must overcome the boundary between two components, namely the housing and the outer ring.
  • the invention is therefore based on the object, a positive displacement pump for delivering a fluid for a consumer of a motor vehicle
  • Patent claim 1 solved.
  • the present invention provides a positive displacement pump, in particular
  • Vane pump for conveying a fluid for a consumer of a motor vehicle, wherein in the front side of the housing-side control plate at least one relief groove is formed, which is adapted to relieve the respective gap of leakage fluid pressure side of the working chamber.
  • An idea of the present invention is to prevent the accumulation of leakage fluid, which escapes from the high pressure side into the low pressure side of the positive displacement pump, by providing the at least one relief groove in the front side of the housing side control plate. The escaping leakage fluid can thus be removed through the relief groove.
  • housing-side control plate has a centrally disposed opening for receiving a having the rotor driving shaft, wherein formed in the end face of the housing-side control plate at least one relief groove from the centrally disposed opening to a radial end portion of the
  • housing-side control plate on an outer circumference of the housing-side control plate extends.
  • the leaking from the pressure side of the working chamber leakage fluid can be discharged through the relief groove to the outer periphery of the housing-side control plate.
  • a first relief groove is formed, which extends from the centrally disposed opening to a first radial end portion of the housing-side control plate on the
  • a second relief groove is formed, which extends from the centrally disposed opening to a second radial end portion of the housing-side control plate on the
  • Outer circumference of the housing-side control plate extends.
  • Suction range of the positive displacement pump are discharged.
  • an end section of the first relief groove arranged at the centrally arranged opening of the housing-side control plate is arranged essentially opposite an end section of the second relief groove arranged at the centrally arranged opening of the housing-side control plate.
  • housing-side control plate is arranged and a second portion of the at least one relief groove on the outer periphery of the housing-side control plate is arranged.
  • Control plate is arranged.
  • the first section of the at least one relief groove arranged on the front side of the housing-side control plate has a first subsection which adjoins the centrally disposed opening of the housing-side control plate and substantially perpendicular to the centrally arranged opening of the housing-side control plate is arranged, and wherein the first at the
  • Relief has a second subsection which is disposed at a predetermined angle to the first subsection.
  • the at least one relief groove is so on the front side of the housing side
  • Guide plate feasible that it opens into the intake of the positive displacement pump when the intake, for example, offset from the first
  • the at least one relief groove is adapted to that of the pressure side of the working chamber in the operating state of the positive displacement pump in between the end face of the housing-side control plate and the rotor and in between the end face of the cover-side control plate and the Rotor formed gap escaping leakage fluid into the intake of the Remove the positive displacement pump.
  • Pressure build-up in the low pressure region of the positive displacement pump prevents and the leakage fluid can be efficiently discharged into the intake of the positive displacement pump.
  • the suction of the positive displacement pump has a negative pressure through which the from the pressure side of the working chamber in the operating state of
  • Lid-side control plate and the rotor formed gap escaping leakage fluid can be discharged into the intake of the positive displacement pump.
  • the leakage fluid can thus advantageously be discharged from the low pressure region into the intake region of the positive displacement pump in an easy and reliable manner.
  • Cover-side control plate and the rotor formed gap escaping leakage fluid it is customizable.
  • the width and / or the depth of the relief groove to be adapted to respective requirements in terms of the volume of the leakage fluid to be discharged, since the volume of the leakage fluid varies with a size of the positive displacement pump.
  • Embodiments of the invention mediate. They illustrate
  • Fig. 1 is a sectional view of the positive displacement pump for promoting a
  • Fig. 2 is a schematic representation of a housing-side control plate of the positive displacement pump for conveying the fluid for the consumer of the motor vehicle according to the preferred embodiment of the invention.
  • Fig. 1 shows a sectional view of the positive displacement pump 10 for conveying a fluid for a consumer of a motor vehicle according to a preferred embodiment of the invention.
  • the displacement pump 10 is preferably designed as a vane pump.
  • the positive displacement pump may for example be designed as another suitable pump type.
  • the displacement pump 10 preferably has a housing 11, a cam ring 12 disposed therein and a in the
  • the positive displacement pump 10 further includes a working chamber 14 formed by the cam ring 12 and the rotor 13.
  • the working chamber 14 is bounded in the axial direction by an end face 15 a of a housing-side control plate 15 and by an end face 16 a of a cover-side control plate 16. Between the end face 15a of the housing-side control plate 15 and the rotor
  • a gap 17a is formed between the end face 16a of the cover-side control plate 16 and the rotor 13, a gap 17b is preferably formed.
  • a first relief groove 18a and second relief groove 18b formed on the end face 15a of the housing-side control plate 15 are preferably designed to relieve the respective gap 17a, 17b of leakage fluid LF of the pressure side DS of the working chamber 14.
  • the end face 15a of the housing-side control plate 15 preferably has the first relief groove 18a and the second relief groove 18b. Alternatively, for example, only one relief groove can be provided.
  • the first relief groove 18a and the second relief groove 18b are identical.
  • the intake area AB of the positive displacement pump 10 preferably has a negative pressure, so that the leakage fluid LF can be discharged from the gap 17a, 17b into the intake area AB of the positive displacement pump 10 in a simple manner.
  • intake area AB of positive displacement pump 10 may have, for example, instead of a negative pressure, a same pressure as the leakage fluid LF.
  • Fig. 2 shows a schematic representation of a housing-side control plate of the positive displacement pump for conveying the fluid for the consumer of the motor vehicle according to the preferred embodiment of the invention.
  • the housing-side control plate 15 has the end face 15a.
  • the housing-side control plate preferably has a centrally disposed opening 19 for receiving a shaft (not shown in FIG. 2) which drives the rotor of the displacement pump 10 (shown in FIG. 1).
  • the first relief groove 18a and the second relief groove 18b are preferably formed on the end face 15a of the housing-side control plate 15.
  • the first relief groove 18 a and the second relief groove 18 b respectively extend from the centrally located opening 19 to a radial end portion 15 b, 15 c of the housing-side control plate 15 to an outer periphery 15 d of the housing-side control plate 15th
  • the first relief groove 18a and the second relief groove 18b are identical.
  • An end portion 18c of the first relief groove 18a disposed at the central opening 19 of the housing-side control plate 15 is opposed to one at the center in the present embodiment
  • a first portion 18 e of the first relief groove 18 a is preferably arranged on the end face 15 a of the housing-side control plate 15.
  • a second portion 18 g of the first relief groove 18 a is preferably on the
  • Outer periphery 15 d of the housing-side control plate 15 is arranged.
  • a first Section 18 f of the second relief groove 18 b is preferably arranged on the front side 15 a of the housing-side control plate 15.
  • a second portion 18 h of the second relief groove 18 b is preferably disposed on the outer periphery 15 d of the housing-side control plate 15.
  • the arranged portion 18 e of the first relief groove 18 a preferably has a first subsection 18 i.
  • the first subsection 18i is
  • the first section 18e of the first relief groove 18a arranged on the front side 15a of the housing-side control plate 15 preferably has a second lower section 18k, which is arranged at a predetermined angle ⁇ to the first lower section 18i.
  • the first portion 18f of the second relief groove 18b arranged on the front side 15a of the housing-side control plate 15 preferably has a first subsection 18j.
  • the first subsection 18j is preferably disposed adjacent to the centrally located opening 19 of the housing-side control plate 15 and perpendicular to the centrally located opening 19 of the housing-side control plate 15.
  • the first arranged on the front plate 15 a of the housing-side control plate 15 portion 18 f of the second relief groove 18 b preferably has a second subsection 181, which in a
  • predetermined angle ß to the first subsection 18j is arranged.
  • Relief groove 18b are preferably connected to a volume of the pressure side DS of the working chamber 14 in the operating state of the positive displacement pump 10 in the between the end face 15a of the housing-side control plate 15 and the rotor 13 and between the end face 16a of the cover-side control plate 16 and the rotor thirteenth adapted gap 17a, 17b escaping leakage fluid LF adjusted.
  • first relief groove 18a and the second relief groove 18b only one relief groove may be formed on the end face 16a of the cover-side control plate 16. Further alternatively, the first relief groove 18a and the second relief groove 18b or alternatively only one
  • Relief groove may be formed both on the end face 15a of the housing-side control plate 15 and on the end face 16a of the cover-side control plate 16.

Landscapes

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

Abstract

La présente invention concerne une pompe volumétrique (10), notamment une pompe à palettes pour refouler un liquide destiné à un consommateur d'un véhicule à moteur, au moins une rainure de délestage (18a, 18b) étant formée dans le côté frontal (15a) de la plaque de commande (15) côté boîtier, laquelle rainure est conçue pour délester l'espace (17a, 17b) respectif du liquide de fuite (LF) du côté pression (DS) de la chambre de travail (14).
PCT/EP2016/066641 2015-08-03 2016-07-13 Pompe volumétrique pour refouler un liquide pour un consommateur d'un véhicule à moteur WO2017021117A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015112672.9A DE102015112672A1 (de) 2015-08-03 2015-08-03 Verdrängerpumpe zur förderung eines fluides für einen verbraucher eines kraftfahrzeuges
DE102015112672.9 2015-08-03

Publications (1)

Publication Number Publication Date
WO2017021117A1 true WO2017021117A1 (fr) 2017-02-09

Family

ID=56409616

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/066641 WO2017021117A1 (fr) 2015-08-03 2016-07-13 Pompe volumétrique pour refouler un liquide pour un consommateur d'un véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102015112672A1 (fr)
WO (1) WO2017021117A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115038430A (zh) * 2019-10-18 2022-09-09 快饮科学公司 自微乳化的多种可递送物的系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019127388A1 (de) * 2019-10-10 2021-04-15 Schwäbische Hüttenwerke Automotive GmbH Fluidversorgung von Unterflügelkammern einer Flügelzellenpumpe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1957029A1 (de) * 1968-11-14 1970-06-04 Sperry Rand Corp Druckmittelenergieumsetzvorrichtung
JP2014173588A (ja) * 2013-03-13 2014-09-22 Kayaba Ind Co Ltd 可変容量型ベーンポンプ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29823902U1 (de) * 1998-08-13 2000-02-10 Luk Fahrzeug Hydraulik Pumpe
JP4342647B2 (ja) * 1999-08-20 2009-10-14 株式会社ショーワ 可変容量型ベーンポンプの背圧溝構造
DE102005043252B4 (de) 2005-09-09 2016-12-08 Robert Bosch Automotive Steering Gmbh Verdrängerpumpe mit variablem Fördervolumen
JP5690238B2 (ja) * 2011-07-26 2015-03-25 日立オートモティブシステムズ株式会社 可変容量形オイルポンプ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1957029A1 (de) * 1968-11-14 1970-06-04 Sperry Rand Corp Druckmittelenergieumsetzvorrichtung
JP2014173588A (ja) * 2013-03-13 2014-09-22 Kayaba Ind Co Ltd 可変容量型ベーンポンプ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115038430A (zh) * 2019-10-18 2022-09-09 快饮科学公司 自微乳化的多种可递送物的系统

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Publication number Publication date
DE102015112672A1 (de) 2017-02-09

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