IT201700073083A1 - PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE - Google Patents

PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE

Info

Publication number
IT201700073083A1
IT201700073083A1 IT102017000073083A IT201700073083A IT201700073083A1 IT 201700073083 A1 IT201700073083 A1 IT 201700073083A1 IT 102017000073083 A IT102017000073083 A IT 102017000073083A IT 201700073083 A IT201700073083 A IT 201700073083A IT 201700073083 A1 IT201700073083 A1 IT 201700073083A1
Authority
IT
Italy
Prior art keywords
combustion engine
internal combustion
fuel supply
pump unit
pump
Prior art date
Application number
IT102017000073083A
Other languages
Italian (it)
Inventor
Ottavio Corizzo
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Priority to IT102017000073083A priority Critical patent/IT201700073083A1/en
Publication of IT201700073083A1 publication Critical patent/IT201700073083A1/en

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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • F02M59/368—Pump inlet valves being closed when actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D11/107—Safety-related aspects
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
    • 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
    • F02M2200/502—Springs biasing the valve member to the open position
    • 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
    • F02M2200/505—Adjusting spring tension by sliding spring seats
    • 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
    • F02M2200/507—Adjusting spring tension by screwing spring seats
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
IT102017000073083A 2017-06-29 2017-06-29 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE IT201700073083A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102017000073083A IT201700073083A1 (en) 2017-06-29 2017-06-29 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000073083A IT201700073083A1 (en) 2017-06-29 2017-06-29 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE

Publications (1)

Publication Number Publication Date
IT201700073083A1 true IT201700073083A1 (en) 2018-12-29

Family

ID=60183009

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000073083A IT201700073083A1 (en) 2017-06-29 2017-06-29 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE

Country Status (1)

Country Link
IT (1) IT201700073083A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008070A1 (en) * 1980-03-03 1981-09-10 Robert Bosch Gmbh, 7000 Stuttgart Pressure relief valve for fuel injection pump - is operated by electromagnet and held closed by fuel pressure
DE102012105818A1 (en) * 2012-07-02 2014-01-02 Denso Corporation Method for operating high pressure pump for pressurization of e.g. diesel fuel in internal combustion engine of vehicle, involves determining reference angle position of shaft depending on change of feed capacity during control of valve
EP2703625A1 (en) * 2011-04-27 2014-03-05 Toyota Jidosha Kabushiki Kaisha Metering device for high-pressure pump
DE102014214811A1 (en) * 2014-07-29 2016-02-04 Robert Bosch Gmbh high pressure pump
WO2016043642A1 (en) * 2014-09-15 2016-03-24 Scania Cv Ab High pressure fuel pump for a fuel system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008070A1 (en) * 1980-03-03 1981-09-10 Robert Bosch Gmbh, 7000 Stuttgart Pressure relief valve for fuel injection pump - is operated by electromagnet and held closed by fuel pressure
EP2703625A1 (en) * 2011-04-27 2014-03-05 Toyota Jidosha Kabushiki Kaisha Metering device for high-pressure pump
DE102012105818A1 (en) * 2012-07-02 2014-01-02 Denso Corporation Method for operating high pressure pump for pressurization of e.g. diesel fuel in internal combustion engine of vehicle, involves determining reference angle position of shaft depending on change of feed capacity during control of valve
DE102014214811A1 (en) * 2014-07-29 2016-02-04 Robert Bosch Gmbh high pressure pump
WO2016043642A1 (en) * 2014-09-15 2016-03-24 Scania Cv Ab High pressure fuel pump for a fuel system

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