GB2569172B - High pressure fuel pump - Google Patents

High pressure fuel pump Download PDF

Info

Publication number
GB2569172B
GB2569172B GB1720502.2A GB201720502A GB2569172B GB 2569172 B GB2569172 B GB 2569172B GB 201720502 A GB201720502 A GB 201720502A GB 2569172 B GB2569172 B GB 2569172B
Authority
GB
United Kingdom
Prior art keywords
high pressure
fuel pump
pressure fuel
pump
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.)
Active
Application number
GB1720502.2A
Other versions
GB2569172A (en
GB201720502D0 (en
Inventor
T D Mchattie James
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.)
Delphi Technologies IP Ltd
Original Assignee
Delphi Technologies IP Ltd
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 Delphi Technologies IP Ltd filed Critical Delphi Technologies IP Ltd
Priority to GB1720502.2A priority Critical patent/GB2569172B/en
Publication of GB201720502D0 publication Critical patent/GB201720502D0/en
Publication of GB2569172A publication Critical patent/GB2569172A/en
Application granted granted Critical
Publication of GB2569172B publication Critical patent/GB2569172B/en
Active 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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/06—Pumps peculiar thereto
    • 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
    • F04B1/0413—Cams
    • 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
    • F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
    • 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
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • 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
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
GB1720502.2A 2017-12-08 2017-12-08 High pressure fuel pump Active GB2569172B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1720502.2A GB2569172B (en) 2017-12-08 2017-12-08 High pressure fuel pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1720502.2A GB2569172B (en) 2017-12-08 2017-12-08 High pressure fuel pump

Publications (3)

Publication Number Publication Date
GB201720502D0 GB201720502D0 (en) 2018-01-24
GB2569172A GB2569172A (en) 2019-06-12
GB2569172B true GB2569172B (en) 2020-04-22

Family

ID=61007246

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1720502.2A Active GB2569172B (en) 2017-12-08 2017-12-08 High pressure fuel pump

Country Status (1)

Country Link
GB (1) GB2569172B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247741A (en) * 1998-02-27 1999-09-14 Zexel:Kk Fuel supply pump
US6347574B1 (en) * 1998-01-23 2002-02-19 Robert Bosch, Gmbh Radial piston pump for producing high pressure fuel
EP1375915A1 (en) * 2002-06-29 2004-01-02 Robert Bosch Gmbh Radial piston pump with improved efficiency for high pressure fuel supply in injection systems of internal combustion engines
JP2009057845A (en) * 2007-08-30 2009-03-19 Nsk Ltd Plunger pump and radial needle bearing for plunger pump
DE102010031646A1 (en) * 2010-07-22 2012-01-26 Robert Bosch Gmbh High pressure pump for fuel injection system of internal combustion engine, has rolling body formed in spherical manner and accommodated in supporting element that includes partially spherical shaped recess to accommodate rolling body
KR20140019540A (en) * 2012-08-06 2014-02-17 현대자동차주식회사 High pressure pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6347574B1 (en) * 1998-01-23 2002-02-19 Robert Bosch, Gmbh Radial piston pump for producing high pressure fuel
JPH11247741A (en) * 1998-02-27 1999-09-14 Zexel:Kk Fuel supply pump
EP1375915A1 (en) * 2002-06-29 2004-01-02 Robert Bosch Gmbh Radial piston pump with improved efficiency for high pressure fuel supply in injection systems of internal combustion engines
JP2009057845A (en) * 2007-08-30 2009-03-19 Nsk Ltd Plunger pump and radial needle bearing for plunger pump
DE102010031646A1 (en) * 2010-07-22 2012-01-26 Robert Bosch Gmbh High pressure pump for fuel injection system of internal combustion engine, has rolling body formed in spherical manner and accommodated in supporting element that includes partially spherical shaped recess to accommodate rolling body
KR20140019540A (en) * 2012-08-06 2014-02-17 현대자동차주식회사 High pressure pump

Also Published As

Publication number Publication date
GB2569172A (en) 2019-06-12
GB201720502D0 (en) 2018-01-24

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