IT201700050195A1 - PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD OF FUNCTIONING OF THIS PUMP - Google Patents

PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD OF FUNCTIONING OF THIS PUMP

Info

Publication number
IT201700050195A1
IT201700050195A1 IT102017000050195A IT201700050195A IT201700050195A1 IT 201700050195 A1 IT201700050195 A1 IT 201700050195A1 IT 102017000050195 A IT102017000050195 A IT 102017000050195A IT 201700050195 A IT201700050195 A IT 201700050195A IT 201700050195 A1 IT201700050195 A1 IT 201700050195A1
Authority
IT
Italy
Prior art keywords
pump
functioning
combustion engine
internal combustion
fuel supply
Prior art date
Application number
IT102017000050195A
Other languages
Italian (it)
Inventor
Massimiliano Roncone
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 IT102017000050195A priority Critical patent/IT201700050195A1/en
Publication of IT201700050195A1 publication Critical patent/IT201700050195A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
    • F02D41/3854—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped with elements in the low pressure part, e.g. low pressure pump
    • 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
    • F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
    • 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
    • F02M59/46—Valves
    • F02M59/464—Inlet valves of the check valve type
    • 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
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • 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
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F02M63/023—Means for varying pressure in common rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
IT102017000050195A 2017-05-09 2017-05-09 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD OF FUNCTIONING OF THIS PUMP IT201700050195A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102017000050195A IT201700050195A1 (en) 2017-05-09 2017-05-09 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD OF FUNCTIONING OF THIS PUMP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000050195A IT201700050195A1 (en) 2017-05-09 2017-05-09 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD OF FUNCTIONING OF THIS PUMP

Publications (1)

Publication Number Publication Date
IT201700050195A1 true IT201700050195A1 (en) 2018-11-09

Family

ID=59859514

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000050195A IT201700050195A1 (en) 2017-05-09 2017-05-09 PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD OF FUNCTIONING OF THIS PUMP

Country Status (1)

Country Link
IT (1) IT201700050195A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19834120A1 (en) * 1998-07-29 2000-02-03 Bosch Gmbh Robert Fuel supply system of an internal combustion engine
EP1612402A1 (en) * 2004-06-30 2006-01-04 C.R.F. Societa' Consortile per Azioni A high-pressure variable-flow-rate pump for a fuel-injection system
EP1612394A1 (en) * 2004-06-30 2006-01-04 C.R.F. Societa' Consortile per Azioni Fuel injection system for an internal combustion engine with common rail

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19834120A1 (en) * 1998-07-29 2000-02-03 Bosch Gmbh Robert Fuel supply system of an internal combustion engine
EP1612402A1 (en) * 2004-06-30 2006-01-04 C.R.F. Societa' Consortile per Azioni A high-pressure variable-flow-rate pump for a fuel-injection system
EP1612394A1 (en) * 2004-06-30 2006-01-04 C.R.F. Societa' Consortile per Azioni Fuel injection system for an internal combustion engine with common rail

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