CN114901940A - 燃料高压泵 - Google Patents

燃料高压泵 Download PDF

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Publication number
CN114901940A
CN114901940A CN202080089684.0A CN202080089684A CN114901940A CN 114901940 A CN114901940 A CN 114901940A CN 202080089684 A CN202080089684 A CN 202080089684A CN 114901940 A CN114901940 A CN 114901940A
Authority
CN
China
Prior art keywords
section
pressure
low
chamber
fuel pump
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
CN202080089684.0A
Other languages
English (en)
Chinese (zh)
Inventor
P·哈拉斯
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 CN114901940A publication Critical patent/CN114901940A/zh
Pending legal-status Critical Current

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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
    • 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
    • F04B1/0408—Pistons
    • 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
    • F04B1/0439—Supporting or guiding means for the pistons
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more 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)
  • Details Of Reciprocating Pumps (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
CN202080089684.0A 2019-12-23 2020-10-19 燃料高压泵 Pending CN114901940A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102019220525 2019-12-23
DE102019220525.9 2019-12-23
DE102020200596.6 2020-01-20
DE102020200596.6A DE102020200596A1 (de) 2019-12-23 2020-01-20 Kraftstoff-Hochdruckpumpe
PCT/EP2020/079325 WO2021129966A1 (de) 2019-12-23 2020-10-19 Kraftstoff-hochdruckpumpe

Publications (1)

Publication Number Publication Date
CN114901940A true CN114901940A (zh) 2022-08-12

Family

ID=76205669

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080089684.0A Pending CN114901940A (zh) 2019-12-23 2020-10-19 燃料高压泵

Country Status (6)

Country Link
EP (1) EP4081707A1 (ko)
JP (1) JP2023508380A (ko)
KR (1) KR20220113530A (ko)
CN (1) CN114901940A (ko)
DE (1) DE102020200596A1 (ko)
WO (1) WO2021129966A1 (ko)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004063075B4 (de) 2004-12-28 2015-11-26 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine mit einem Stufenkolben und einem Mengensteuerventil
JP5352646B2 (ja) * 2011-01-27 2013-11-27 株式会社日本自動車部品総合研究所 高圧ポンプ
CN104870802B (zh) 2012-12-20 2018-11-02 罗伯特·博世有限公司 用于内燃机的活塞燃料泵
DE102017212498A1 (de) 2017-07-20 2019-01-24 Robert Bosch Gmbh Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine

Also Published As

Publication number Publication date
JP2023508380A (ja) 2023-03-02
DE102020200596A1 (de) 2021-06-24
WO2021129966A1 (de) 2021-07-01
KR20220113530A (ko) 2022-08-12
EP4081707A1 (de) 2022-11-02

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