GB2583076B - Fuel pump plunger return spring arrangement - Google Patents

Fuel pump plunger return spring arrangement Download PDF

Info

Publication number
GB2583076B
GB2583076B GB1904954.3A GB201904954A GB2583076B GB 2583076 B GB2583076 B GB 2583076B GB 201904954 A GB201904954 A GB 201904954A GB 2583076 B GB2583076 B GB 2583076B
Authority
GB
United Kingdom
Prior art keywords
return spring
fuel pump
spring arrangement
pump plunger
plunger return
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
GB1904954.3A
Other versions
GB2583076A (en
GB201904954D0 (en
Inventor
J Pedley Toby
Francis Garland Paul
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 GB1904954.3A priority Critical patent/GB2583076B/en
Publication of GB201904954D0 publication Critical patent/GB201904954D0/en
Priority to PCT/EP2020/059615 priority patent/WO2020207930A1/en
Publication of GB2583076A publication Critical patent/GB2583076A/en
Application granted granted Critical
Publication of GB2583076B publication Critical patent/GB2583076B/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
    • F02M59/44—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
    • F02M59/442—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 means preventing fuel leakage around pump plunger, e.g. fluid barriers
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
GB1904954.3A 2019-04-08 2019-04-08 Fuel pump plunger return spring arrangement Active GB2583076B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1904954.3A GB2583076B (en) 2019-04-08 2019-04-08 Fuel pump plunger return spring arrangement
PCT/EP2020/059615 WO2020207930A1 (en) 2019-04-08 2020-04-03 Fuel pump assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1904954.3A GB2583076B (en) 2019-04-08 2019-04-08 Fuel pump plunger return spring arrangement

Publications (3)

Publication Number Publication Date
GB201904954D0 GB201904954D0 (en) 2019-05-22
GB2583076A GB2583076A (en) 2020-10-21
GB2583076B true GB2583076B (en) 2021-12-22

Family

ID=66809401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1904954.3A Active GB2583076B (en) 2019-04-08 2019-04-08 Fuel pump plunger return spring arrangement

Country Status (2)

Country Link
GB (1) GB2583076B (en)
WO (1) WO2020207930A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008050661A1 (en) * 2008-09-22 2010-03-25 Vladimir Volchkov Drive device i.e. high pressure pump, for fuel injection to reciprocating piston engine, has return spring component consisting of pairs of helical compression springs, and pistons provided on supporting element
DE102014217380A1 (en) * 2014-09-01 2016-03-03 Robert Bosch Gmbh high pressure pump
WO2016165857A1 (en) * 2015-04-13 2016-10-20 Delphi International Operations Luxembourg S.À R.L. Fuel pump
EP3085944A1 (en) * 2015-04-22 2016-10-26 Delphi International Operations Luxembourg S.à r.l. Externally sprung tappet with head turret guide for a fuel pump
WO2016182572A1 (en) * 2015-05-14 2016-11-17 Cummins Inc. Common rail multi-cylinder fuel pump with independent pumping plunger extension
DE102016211245A1 (en) * 2016-06-23 2017-12-28 Robert Bosch Gmbh Piston fluid pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008050661A1 (en) * 2008-09-22 2010-03-25 Vladimir Volchkov Drive device i.e. high pressure pump, for fuel injection to reciprocating piston engine, has return spring component consisting of pairs of helical compression springs, and pistons provided on supporting element
DE102014217380A1 (en) * 2014-09-01 2016-03-03 Robert Bosch Gmbh high pressure pump
WO2016165857A1 (en) * 2015-04-13 2016-10-20 Delphi International Operations Luxembourg S.À R.L. Fuel pump
EP3085944A1 (en) * 2015-04-22 2016-10-26 Delphi International Operations Luxembourg S.à r.l. Externally sprung tappet with head turret guide for a fuel pump
WO2016182572A1 (en) * 2015-05-14 2016-11-17 Cummins Inc. Common rail multi-cylinder fuel pump with independent pumping plunger extension
DE102016211245A1 (en) * 2016-06-23 2017-12-28 Robert Bosch Gmbh Piston fluid pump

Also Published As

Publication number Publication date
GB2583076A (en) 2020-10-21
WO2020207930A1 (en) 2020-10-15
GB201904954D0 (en) 2019-05-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20240328 AND 20240403