IT202200002849A1 - FUEL PUMP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE - Google Patents

FUEL PUMP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE Download PDF

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Publication number
IT202200002849A1
IT202200002849A1 IT102022000002849A IT202200002849A IT202200002849A1 IT 202200002849 A1 IT202200002849 A1 IT 202200002849A1 IT 102022000002849 A IT102022000002849 A IT 102022000002849A IT 202200002849 A IT202200002849 A IT 202200002849A IT 202200002849 A1 IT202200002849 A1 IT 202200002849A1
Authority
IT
Italy
Prior art keywords
combustion engine
internal combustion
fuel pump
pump assembly
assembly
Prior art date
Application number
IT102022000002849A
Other languages
Italian (it)
Inventor
Rocco Guarino
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 IT102022000002849A priority Critical patent/IT202200002849A1/en
Publication of IT202200002849A1 publication Critical patent/IT202200002849A1/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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • F02M37/0058—Returnless fuel systems, i.e. the fuel return lines are not entering the fuel tank
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0041—Means for damping pressure pulsations
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • 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
    • F02M59/16—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps characterised by having multi-stage compression of fuel
    • 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
    • F02M59/20—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
IT102022000002849A 2022-02-16 2022-02-16 FUEL PUMP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE IT202200002849A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102022000002849A IT202200002849A1 (en) 2022-02-16 2022-02-16 FUEL PUMP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000002849A IT202200002849A1 (en) 2022-02-16 2022-02-16 FUEL PUMP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE

Publications (1)

Publication Number Publication Date
IT202200002849A1 true IT202200002849A1 (en) 2023-08-16

Family

ID=81392744

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000002849A IT202200002849A1 (en) 2022-02-16 2022-02-16 FUEL PUMP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE

Country Status (1)

Country Link
IT (1) IT202200002849A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1712775A1 (en) * 2004-02-06 2006-10-18 Bosch Corporation Fuel supply device
DE102011087086A1 (en) * 2011-11-25 2013-05-29 Robert Bosch Gmbh Proportional valve e.g. currentless closed slide valve, for common-rail injection system for injecting fuel into combustion chamber of internal combustion engine, has inlet and outlet designed as holes, which are closed by valve element
WO2018069020A1 (en) * 2016-10-10 2018-04-19 Robert Bosch Gmbh Overflow valve, in particular for a high-pressure pump, high-pressure pump, and fuel injection system
WO2021037842A1 (en) * 2019-08-27 2021-03-04 Robert Bosch Gmbh Pump unit for feeding fuel, preferably diesel, to an internal- combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1712775A1 (en) * 2004-02-06 2006-10-18 Bosch Corporation Fuel supply device
DE102011087086A1 (en) * 2011-11-25 2013-05-29 Robert Bosch Gmbh Proportional valve e.g. currentless closed slide valve, for common-rail injection system for injecting fuel into combustion chamber of internal combustion engine, has inlet and outlet designed as holes, which are closed by valve element
WO2018069020A1 (en) * 2016-10-10 2018-04-19 Robert Bosch Gmbh Overflow valve, in particular for a high-pressure pump, high-pressure pump, and fuel injection system
WO2021037842A1 (en) * 2019-08-27 2021-03-04 Robert Bosch Gmbh Pump unit for feeding fuel, preferably diesel, to an internal- combustion engine

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