EP4377567A1 - Pompe à carburant haute pression - Google Patents

Pompe à carburant haute pression

Info

Publication number
EP4377567A1
EP4377567A1 EP22732208.8A EP22732208A EP4377567A1 EP 4377567 A1 EP4377567 A1 EP 4377567A1 EP 22732208 A EP22732208 A EP 22732208A EP 4377567 A1 EP4377567 A1 EP 4377567A1
Authority
EP
European Patent Office
Prior art keywords
pressure
bore
outlet
pump
low
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.)
Pending
Application number
EP22732208.8A
Other languages
German (de)
English (en)
Inventor
Thomas FROIHOFER
Rainer Kornhaas
Guido Bredenfeld
Stephan Wehr
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP4377567A1 publication Critical patent/EP4377567A1/fr
Pending legal-status Critical Current

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
    • F02M59/46—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
    • 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
    • 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
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid pressure
    • 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
    • F02M63/005—Pressure relief 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/27—Fuel-injection apparatus with filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Pompe à carburant haute pression (10) ayant une admission (11) qui se présente sous la forme d'un orifice d'admission (20) fixé au carter de pompe (12), et une soupape de limitation de pression (22) qui relie fluidiquement une région à haute pression (29) à une région à basse pression (28) et s'ouvre dans la direction de la région à basse pression (28), la soupape de limitation de pression (22) s'ouvrant dans la direction d'une chambre d'orifice d'admission (28e).
EP22732208.8A 2021-07-28 2022-06-09 Pompe à carburant haute pression Pending EP4377567A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021208119.3A DE102021208119A1 (de) 2021-07-28 2021-07-28 Kraftstoff-Hochdruckpumpe
PCT/EP2022/065635 WO2023006289A1 (fr) 2021-07-28 2022-06-09 Pompe à carburant haute pression

Publications (1)

Publication Number Publication Date
EP4377567A1 true EP4377567A1 (fr) 2024-06-05

Family

ID=82117521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22732208.8A Pending EP4377567A1 (fr) 2021-07-28 2022-06-09 Pompe à carburant haute pression

Country Status (5)

Country Link
EP (1) EP4377567A1 (fr)
KR (1) KR20240031428A (fr)
CN (1) CN118076804A (fr)
DE (1) DE102021208119A1 (fr)
WO (1) WO2023006289A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004063074B4 (de) 2004-12-28 2013-03-07 Robert Bosch Gmbh Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
JP4453028B2 (ja) * 2005-03-30 2010-04-21 株式会社デンソー 高圧燃料ポンプ
JP4437552B2 (ja) * 2006-05-26 2010-03-24 株式会社デンソー 高圧燃料ポンプ
DE102008043217A1 (de) 2008-10-28 2010-04-29 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
DE102017212498A1 (de) 2017-07-20 2019-01-24 Robert Bosch Gmbh Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
KR102107464B1 (ko) * 2018-12-20 2020-05-07 주식회사 현대케피코 고압펌프

Also Published As

Publication number Publication date
CN118076804A (zh) 2024-05-24
WO2023006289A1 (fr) 2023-02-02
KR20240031428A (ko) 2024-03-07
DE102021208119A1 (de) 2023-02-02

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