EP4137694A4 - High-pressure fuel supply pump and manufacturing method - Google Patents

High-pressure fuel supply pump and manufacturing method Download PDF

Info

Publication number
EP4137694A4
EP4137694A4 EP21788498.0A EP21788498A EP4137694A4 EP 4137694 A4 EP4137694 A4 EP 4137694A4 EP 21788498 A EP21788498 A EP 21788498A EP 4137694 A4 EP4137694 A4 EP 4137694A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
high pressure
pressure fuel
transfer pump
fuel transfer
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
EP21788498.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4137694A1 (en
Inventor
Akihiro Munakata
Hiroyuki Yamada
Kiyotaka Ogura
Minoru Hashida
Satoshi Usui
Atsuji Saito
Shingo Tamura
Tatsuo Kawano
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.)
Astemo Ltd
Original Assignee
Hitachi Astemo Ltd
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 Hitachi Astemo Ltd filed Critical Hitachi Astemo Ltd
Publication of EP4137694A1 publication Critical patent/EP4137694A1/en
Publication of EP4137694A4 publication Critical patent/EP4137694A4/en
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
    • 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
    • F02M59/48—Assembling; Disassembling; Replacing
    • 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
    • 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
    • F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
    • 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
    • F04B23/02—Pumping installations or systems having reservoirs
    • 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
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
    • F04B23/103—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type being a radial piston pump
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/108—Valves characterised by the material
    • F04B53/1082—Valves characterised by the material magnetic
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/803—Fuel injection apparatus manufacture, repair or assembly using clamp elements and fastening means; e.g. bolts or screws
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/06—Pressure in a (hydraulic) circuit
    • F04B2205/063—Pressure in a (hydraulic) circuit in a reservoir linked to the pump outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Computer Hardware Design (AREA)
  • Fuel-Injection Apparatus (AREA)
EP21788498.0A 2020-04-14 2021-01-29 High-pressure fuel supply pump and manufacturing method Pending EP4137694A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020072225 2020-04-14
PCT/JP2021/003171 WO2021210243A1 (ja) 2020-04-14 2021-01-29 高圧燃料供給ポンプ及び製造方法

Publications (2)

Publication Number Publication Date
EP4137694A1 EP4137694A1 (en) 2023-02-22
EP4137694A4 true EP4137694A4 (en) 2024-05-08

Family

ID=78084190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21788498.0A Pending EP4137694A4 (en) 2020-04-14 2021-01-29 High-pressure fuel supply pump and manufacturing method

Country Status (4)

Country Link
EP (1) EP4137694A4 (https=)
JP (1) JP7295337B2 (https=)
CN (1) CN115398090B (https=)
WO (1) WO2021210243A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021235019A1 (ja) * 2020-05-21 2021-11-25 日立Astemo株式会社 燃料ポンプ
JP7769587B2 (ja) * 2022-05-17 2025-11-13 Ａｓｔｅｍｏ株式会社 燃料ポンプ
GB2643716A (en) * 2024-08-28 2026-03-04 Phinia Delphi Luxembourg Sarl High-pressure fuel pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160032879A1 (en) * 2013-03-15 2016-02-04 Robert Bosch Gmbh High-Pressure Pump, in Particular Plug-In Pump, for a Fuel System for an Internal Combustion Engine
US20190032616A1 (en) * 2016-01-22 2019-01-31 Continental Automotive Gmbh High-Pressure Fuel Pump
KR20190016921A (ko) * 2017-08-09 2019-02-19 콘티넨탈 오토모티브 게엠베하 연료 분사 시스템을 위한 고압 연료 펌프
US20190145366A1 (en) * 2016-04-18 2019-05-16 Continental Automotive Gmbh Arrangement of Housing and a Flange

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2531644Y2 (ja) * 1989-08-26 1997-04-09 三恵工業株式会社 車輌用排気系フランジ継手
JP2007239537A (ja) * 2006-03-07 2007-09-20 Nichias Corp 排気管フランジ継手構造
CN102619660B (zh) * 2011-01-28 2015-06-24 株式会社电装 高压泵
WO2013080253A1 (ja) * 2011-11-30 2013-06-06 日立オートモティブシステムズ株式会社 高圧燃料供給ポンプ
JP2013080253A (ja) * 2012-12-26 2013-05-02 Canon Inc 画像形成装置
US10590897B2 (en) * 2015-10-23 2020-03-17 Hitachi Automotive Systems, Ltd. High-pressure fuel supply pump, manufacturing method thereof, and method of bonding two members
WO2018092538A1 (ja) * 2016-11-18 2018-05-24 日立オートモティブシステムズ株式会社 高圧燃料供給ポンプ
JP2019094819A (ja) * 2017-11-21 2019-06-20 日立オートモティブシステムズ株式会社 高圧燃料供給ポンプ
JP6681448B2 (ja) * 2018-08-31 2020-04-15 日立オートモティブシステムズ株式会社 高圧燃料供給ポンプ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160032879A1 (en) * 2013-03-15 2016-02-04 Robert Bosch Gmbh High-Pressure Pump, in Particular Plug-In Pump, for a Fuel System for an Internal Combustion Engine
US20190032616A1 (en) * 2016-01-22 2019-01-31 Continental Automotive Gmbh High-Pressure Fuel Pump
US20190145366A1 (en) * 2016-04-18 2019-05-16 Continental Automotive Gmbh Arrangement of Housing and a Flange
KR20190016921A (ko) * 2017-08-09 2019-02-19 콘티넨탈 오토모티브 게엠베하 연료 분사 시스템을 위한 고압 연료 펌프

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021210243A1 *

Also Published As

Publication number Publication date
CN115398090B (zh) 2023-10-20
EP4137694A1 (en) 2023-02-22
JPWO2021210243A1 (https=) 2021-10-21
JP7295337B2 (ja) 2023-06-20
WO2021210243A1 (ja) 2021-10-21
CN115398090A (zh) 2022-11-25

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