EP1275845A3 - High pressure fuel pump - Google Patents

High pressure fuel pump Download PDF

Info

Publication number
EP1275845A3
EP1275845A3 EP02011421A EP02011421A EP1275845A3 EP 1275845 A3 EP1275845 A3 EP 1275845A3 EP 02011421 A EP02011421 A EP 02011421A EP 02011421 A EP02011421 A EP 02011421A EP 1275845 A3 EP1275845 A3 EP 1275845A3
Authority
EP
European Patent Office
Prior art keywords
cylinder
fuel pump
piston
contact surface
high pressure
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
EP02011421A
Other languages
German (de)
French (fr)
Other versions
EP1275845A2 (en
EP1275845B1 (en
Inventor
Helmut Rembold
Peter Ropertz
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 EP1275845A2 publication Critical patent/EP1275845A2/en
Publication of EP1275845A3 publication Critical patent/EP1275845A3/en
Application granted granted Critical
Publication of EP1275845B1 publication Critical patent/EP1275845B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0421—Cylinders
    • 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
    • F04B53/007—Cylinder heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Eine Kraftstoffpumpe (10) umfasst einen Kolben (18) sowie Antriebsmittel (24) zum Antrieb des Kolbens (18). Der Kolben (18) ist in einem Zylinder (12) geführt, und ein Zylinderkopf (14) liegt am Zylinder (12) mit einer insgesamt ringförmigen Kontaktfläche (44) an. Mindestens ein Befestigungsmittel (58) beaufschlagt den Zylinderkopf (14) mit der ringförmigen Kontaktfläche (44) gegen den Zylinder (12). Um die Herstellkosten zu senken, wird vorgeschlagen, dass die ringförmige Kontaktfläche (44) und der Wirkbereich (64) des Befestigungsmittels (58) am Zylinderkopf (14) in Längsrichtung (66) des Zylinders (12) gesehen, im Wesentlichen auf gleicher Höhe liegen.

Figure 00000001
A fuel pump (10) comprises a piston (18) and drive means (24) for driving the piston (18). The piston (18) is guided in a cylinder (12) and a cylinder head (14) lies against the cylinder (12) with an overall annular contact surface (44). At least one fastening means (58) acts on the cylinder head (14) with the annular contact surface (44) against the cylinder (12). In order to reduce the manufacturing costs, it is proposed that the annular contact surface (44) and the effective area (64) of the fastening means (58) on the cylinder head (14) in the longitudinal direction (66) of the cylinder (12) lie essentially at the same height ,
Figure 00000001
EP20020011421 2001-07-13 2002-05-24 High pressure fuel pump Expired - Lifetime EP1275845B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10134066 2001-07-13
DE2001134066 DE10134066A1 (en) 2001-07-13 2001-07-13 Fuel pump, in particular high-pressure fuel pump for a fuel system of an internal combustion engine with gasoline direct injection

Publications (3)

Publication Number Publication Date
EP1275845A2 EP1275845A2 (en) 2003-01-15
EP1275845A3 true EP1275845A3 (en) 2004-01-02
EP1275845B1 EP1275845B1 (en) 2006-08-23

Family

ID=7691652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020011421 Expired - Lifetime EP1275845B1 (en) 2001-07-13 2002-05-24 High pressure fuel pump

Country Status (3)

Country Link
EP (1) EP1275845B1 (en)
JP (1) JP2003065175A (en)
DE (2) DE10134066A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10322599B4 (en) * 2003-05-20 2013-08-08 Robert Bosch Gmbh Piston pump, in particular high-pressure fuel pump
JP2006170184A (en) * 2004-11-16 2006-06-29 Denso Corp High pressure fuel pump
DE102004063075B4 (en) * 2004-12-28 2015-11-26 Robert Bosch Gmbh High-pressure fuel pump for an internal combustion engine with a stepped piston and a quantity control valve
DE102005007806A1 (en) * 2004-12-28 2006-07-06 Robert Bosch Gmbh Piston pump, in particular high-pressure fuel pump for an internal combustion engine of a motor vehicle
CN100489305C (en) * 2004-12-28 2009-05-20 罗伯特·博世有限公司 piston pump
JP4215000B2 (en) * 2005-01-19 2009-01-28 株式会社デンソー High pressure pump
JP4453028B2 (en) * 2005-03-30 2010-04-21 株式会社デンソー High pressure fuel pump
DE102005042196A1 (en) * 2005-09-06 2007-03-08 Robert Bosch Gmbh Piston pump with reduced dead space
RU2413864C2 (en) * 2006-06-19 2011-03-10 Юрий Григорьевич Плескачевский Fuel pump and method of its operation
JP4648254B2 (en) * 2006-06-22 2011-03-09 日立オートモティブシステムズ株式会社 High pressure fuel pump
JP2008019842A (en) * 2006-07-14 2008-01-31 Toyota Motor Corp Fuel pump support structure for internal combustion engine and pump support bracket used for the support structure
JP5082935B2 (en) * 2008-03-05 2012-11-28 株式会社デンソー High pressure fuel pump
DE102009000835A1 (en) * 2009-02-13 2010-08-19 Robert Bosch Gmbh Modular low pressure unit and modular pump arrangement
DE102010001870A1 (en) * 2010-02-12 2011-08-18 Robert Bosch GmbH, 70469 Cylinder head for a high-pressure fuel pump
DE102010027745A1 (en) * 2010-04-14 2011-10-20 Robert Bosch Gmbh high pressure pump
IT1403245B1 (en) * 2010-11-10 2013-10-17 Bosch Gmbh Robert PUMPING GROUP FOR FUEL SUPPLEMENTATION, PREFERABLY GASOIL, TO AN INTERNAL COMBUSTION ENGINE
DE102013212261A1 (en) * 2013-06-26 2014-12-31 Robert Bosch Gmbh high pressure pump
JP2016133056A (en) * 2015-01-20 2016-07-25 株式会社デンソー High pressure pump and method for manufacturing the same
JP6369337B2 (en) 2015-01-20 2018-08-08 株式会社デンソー High pressure pump and manufacturing method thereof
EP3088725B1 (en) 2015-04-28 2019-07-03 Magneti Marelli S.p.A. Fuel pump for a direct injection system with a reduced stress on the bushing of the piston
IT201700098475A1 (en) * 2017-09-01 2019-03-01 Bosch Gmbh Robert PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE
DE102019130684A1 (en) 2019-11-14 2021-05-20 Man Energy Solutions Se Piston pump
JP7783702B2 (en) * 2021-07-06 2025-12-10 三菱重工エンジン＆ターボチャージャ株式会社 fuel pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981575A (en) * 1959-04-24 1961-04-25 Southwest Oilfield Products In Reciprocating pump cylinder head and liner retainer
US4060350A (en) * 1975-03-27 1977-11-29 Vysoke Uceni Technicke Cylinder head mounting arrangement for a diesel injection pump
DE19747636A1 (en) * 1997-10-29 1999-05-06 Uhde Hochdrucktechnik Gmbh Valve for high pressure pump
EP0933524A2 (en) * 1998-01-30 1999-08-04 Mitsubishi Denki Kabushiki Kaisha High-pressure fuel supply pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404520C2 (en) * 1984-02-09 1997-01-09 Uraca Pumpen Pump or hydraulic system
JPS635158A (en) * 1986-06-24 1988-01-11 Diesel Kiki Co Ltd Unit injector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981575A (en) * 1959-04-24 1961-04-25 Southwest Oilfield Products In Reciprocating pump cylinder head and liner retainer
US4060350A (en) * 1975-03-27 1977-11-29 Vysoke Uceni Technicke Cylinder head mounting arrangement for a diesel injection pump
DE19747636A1 (en) * 1997-10-29 1999-05-06 Uhde Hochdrucktechnik Gmbh Valve for high pressure pump
EP0933524A2 (en) * 1998-01-30 1999-08-04 Mitsubishi Denki Kabushiki Kaisha High-pressure fuel supply pump

Also Published As

Publication number Publication date
JP2003065175A (en) 2003-03-05
EP1275845A2 (en) 2003-01-15
DE50207909D1 (en) 2006-10-05
DE10134066A1 (en) 2003-02-06
EP1275845B1 (en) 2006-08-23

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