EP2209988A1 - Flasque d'une pompe à carburant haute pression - Google Patents

Flasque d'une pompe à carburant haute pression

Info

Publication number
EP2209988A1
EP2209988A1 EP08804357A EP08804357A EP2209988A1 EP 2209988 A1 EP2209988 A1 EP 2209988A1 EP 08804357 A EP08804357 A EP 08804357A EP 08804357 A EP08804357 A EP 08804357A EP 2209988 A1 EP2209988 A1 EP 2209988A1
Authority
EP
European Patent Office
Prior art keywords
pump
outer part
pressure
flange
pressure fuel
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
EP08804357A
Other languages
German (de)
English (en)
Other versions
EP2209988B1 (fr
Inventor
Friedrich Boecking
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 GmbH
Original Assignee
Robert Bosch 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 GmbH filed Critical Robert Bosch GmbH
Publication of EP2209988A1 publication Critical patent/EP2209988A1/fr
Application granted granted Critical
Publication of EP2209988B1 publication Critical patent/EP2209988B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

Definitions

  • the invention relates to a high-pressure fuel pump, for operating an internal combustion engine with a low pressure and a high-pressure circuit connected and consisting of a pump housing and a pump flange, via which it is detachably attached to the internal combustion engine, wherein a pump camshaft is provided to by the movement of at least one pump piston To compress fuel from the low pressure circuit and to promote the high pressure circuit.
  • a high-pressure fuel pump is already known, wherein this from a housing, in which a pump piston is arranged, and a front side on
  • Pump housing arranged flange consists.
  • a pump drive shaft is also mounted, which imparts a movement to the pump piston via an eccentric and a polygonal design.
  • a pressure chamber located above the pump piston is connected on the one hand to an inlet of a low-pressure circuit and on the other hand to a high-pressure valve of a high-pressure circuit.
  • the flange carries on the one hand a bearing point of the pump drive shaft and on the other lines of the inlet of the low pressure circuit to the pressure chamber of the pump piston.
  • a disadvantage of such a configuration is the effort in the production of such a flange.
  • Low-pressure inlet provides and in which the production cost is reduced.
  • the outer part of the pump flange has annular grooves for connection to fuel lines of the pump housing.
  • the pump flange 2 consisting of the inner part 4 and the outer part 5, is arranged on the front side on the pump housing 1, wherein regions of the inner part of the pump flange 4 protrude into the pump housing 1 to receive the bearing 6 of the pump camshaft 3.
  • a shaft seal 9 is also arranged in a storage 6 projecting recess of the inner part 4 of the pump flange 2.
  • the outer part 5 is placed, which is guided over the web 14 on the inner part 4.
  • the inner part 4 and the outer part 5 are connected to the pump housing 1 via the attachment points 13a and 13b.
  • the pump housing 1 with an annular groove 8 and further connected to the return line 11 to be able to trace back leakage in the fuel tank, not shown.

Abstract

L'invention concerne une pompe à carburant haute pression servant à faire fonctionner un moteur à combustion interne, raccordée à un circuit basse pression et à un circuit haute pression et constituée d'un carter de pompe (1) et d'un flasque de pompe (2) par l'intermédiaire duquel la pompe est fixée de manière libérable au moteur à combustion interne. Un arbre à cames de pompe (3) sert à comprimer le carburant provenant du circuit basse pression, par déplacement d'au moins un piston et à l'acheminer au circuit haute pression. Le flasque de pompe (2) est divisé en une partie intérieure (4) et une partie extérieure (5), la partie intérieure (4) abrite un logement (6) de l'arbre à cames de pompe (3), tandis que la partie extérieure (5) reçoit des éléments du circuit basse pression.
EP08804357.5A 2007-10-11 2008-09-18 Flasque d'une pompe à carburant haute pression Not-in-force EP2209988B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710048853 DE102007048853A1 (de) 2007-10-11 2007-10-11 Flansch einer Hochdruckkraftstoffpumpe
PCT/EP2008/062415 WO2009049984A1 (fr) 2007-10-11 2008-09-18 Flasque d'une pompe à carburant haute pression

Publications (2)

Publication Number Publication Date
EP2209988A1 true EP2209988A1 (fr) 2010-07-28
EP2209988B1 EP2209988B1 (fr) 2016-01-13

Family

ID=40134785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08804357.5A Not-in-force EP2209988B1 (fr) 2007-10-11 2008-09-18 Flasque d'une pompe à carburant haute pression

Country Status (7)

Country Link
US (1) US20100239445A1 (fr)
EP (1) EP2209988B1 (fr)
JP (1) JP5074597B2 (fr)
KR (1) KR20100067665A (fr)
CN (1) CN101821493B (fr)
DE (1) DE102007048853A1 (fr)
WO (1) WO2009049984A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009028795A1 (de) * 2009-08-21 2011-02-24 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
CN103994000A (zh) * 2014-05-25 2014-08-20 辽宁新风企业集团有限公司 柴油机用单缸高压油泵
DE102016217409A1 (de) * 2016-09-13 2018-03-15 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573150A (en) 1943-03-08 1945-11-08 Thomas Edward Beacham Improvements in or relating to fuel pumps
US3777622A (en) * 1972-03-24 1973-12-11 Gen Motors Corp Pumps and motors
JPS6131675A (ja) * 1984-07-24 1986-02-14 Nippon Denso Co Ltd 可変容量ポンプ
DE19804275A1 (de) * 1998-02-04 1999-08-12 Bosch Gmbh Robert Radialkolbenpumpe zur Kraftstoffhochdruckversorgung
DE19856351C1 (de) * 1998-12-07 2000-04-13 Bosch Gmbh Robert Radialkolbenpumpe
IT1308780B1 (it) * 1999-07-02 2002-01-10 Elasis Sistema Ricerca Fiat Pompa ad alta pressione munita di valvola di intercettazione perl'alimentazione di combustibile ad un motore a combustione interna.
IT1308782B1 (it) * 1999-07-02 2002-01-10 Elasis Sistema Ricerca Fiat Perfezionamenti ad una pompa ad alta pressione per l'alimentazione dicombustibile ad un motore a combustione interna.
JP3685317B2 (ja) * 2000-02-18 2005-08-17 株式会社デンソー 燃料噴射ポンプ
JP3852756B2 (ja) * 2001-02-07 2006-12-06 株式会社デンソー 燃料噴射ポンプ
US6916158B2 (en) * 2003-04-30 2005-07-12 Actuant Corporation Radial piston pump
JP4052220B2 (ja) * 2003-10-08 2008-02-27 株式会社デンソー 燃料噴射ポンプ
DE10355029A1 (de) 2003-11-25 2005-06-23 Robert Bosch Gmbh Hochdruckpumpe, insbesondere für eine Kraftstoffeinsprizeinrichtung einer Brennkraftmaschine
JP4134896B2 (ja) * 2003-12-15 2008-08-20 株式会社デンソー 燃料供給ポンプ
JP2006118448A (ja) * 2004-10-22 2006-05-11 Denso Corp 燃料噴射ポンプ
CN2769541Y (zh) * 2004-12-09 2006-04-05 重庆红江机械厂 滑阀式等压喷油泵

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009049984A1 *

Also Published As

Publication number Publication date
WO2009049984A1 (fr) 2009-04-23
JP5074597B2 (ja) 2012-11-14
KR20100067665A (ko) 2010-06-21
US20100239445A1 (en) 2010-09-23
JP2011501009A (ja) 2011-01-06
DE102007048853A1 (de) 2009-04-16
EP2209988B1 (fr) 2016-01-13
CN101821493A (zh) 2010-09-01
CN101821493B (zh) 2012-11-14

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