ATE549508T1 - Kraftstoffpumpe mit verbesserter dämpfungsvorrichtung für ein direkteinspritzsystem - Google Patents

Kraftstoffpumpe mit verbesserter dämpfungsvorrichtung für ein direkteinspritzsystem

Info

Publication number
ATE549508T1
ATE549508T1 AT10189820T AT10189820T ATE549508T1 AT E549508 T1 ATE549508 T1 AT E549508T1 AT 10189820 T AT10189820 T AT 10189820T AT 10189820 T AT10189820 T AT 10189820T AT E549508 T1 ATE549508 T1 AT E549508T1
Authority
AT
Austria
Prior art keywords
pumping chamber
injection system
direct injection
fuel pump
damping device
Prior art date
Application number
AT10189820T
Other languages
English (en)
Inventor
Luca Mancini
Vita Daniele De
Massimo Mattioli
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Application granted granted Critical
Publication of ATE549508T1 publication Critical patent/ATE549508T1/de

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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/04—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
    • F02M59/06—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
    • 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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • 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
    • 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
    • F02M63/0265—Pumps feeding common rails
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Feeding And Controlling Fuel (AREA)
AT10189820T 2009-11-03 2010-11-03 Kraftstoffpumpe mit verbesserter dämpfungsvorrichtung für ein direkteinspritzsystem ATE549508T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO2009A000720A IT1396142B1 (it) 2009-11-03 2009-11-03 Pompa carburante con dispositivo smorzatore perfezionato per un sistema di iniezione diretta

Publications (1)

Publication Number Publication Date
ATE549508T1 true ATE549508T1 (de) 2012-03-15

Family

ID=42332473

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10189820T ATE549508T1 (de) 2009-11-03 2010-11-03 Kraftstoffpumpe mit verbesserter dämpfungsvorrichtung für ein direkteinspritzsystem

Country Status (5)

Country Link
US (1) US8672653B2 (de)
EP (1) EP2317119B1 (de)
CN (1) CN102052220B (de)
AT (1) ATE549508T1 (de)
IT (1) IT1396142B1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8727752B2 (en) * 2010-10-06 2014-05-20 Stanadyne Corporation Three element diaphragm damper for fuel pump
US20150017040A1 (en) * 2013-07-12 2015-01-15 Denso Corporation Pulsation damper and high-pressure pump having the same
CN106232978B (zh) * 2014-04-25 2020-02-28 日立汽车系统株式会社 高压燃料供给泵
JP6186326B2 (ja) * 2014-09-09 2017-08-23 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
DE102014219997A1 (de) 2014-10-02 2016-04-07 Robert Bosch Gmbh Membrandose zum Dämpfen von Druckpulsationen in einem Niederdruckbereich einer Kolbenpumpe
DE102015209539A1 (de) 2015-05-22 2016-11-24 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
JP6409685B2 (ja) * 2015-06-03 2018-10-24 株式会社デンソー 燃料供給装置
JP6434871B2 (ja) * 2015-07-31 2018-12-05 トヨタ自動車株式会社 ダンパ装置
JP6691124B2 (ja) 2015-07-31 2020-04-28 イーグル工業株式会社 ダイアフラムダンパ装置及びその保持部材、並びにダイアフラムダンパ装置の製造方法
DE102015219537A1 (de) * 2015-10-08 2017-04-27 Robert Bosch Gmbh Membrandose zum Dämpfen von Druckpulsationen in einem Niederdruckbereich einer Kolbenpumpe
DE102016203217B4 (de) * 2016-02-29 2020-12-10 Vitesco Technologies GmbH Dämpferkapsel, Druckpulsationsdämpfer und Kraftstoffhochdruckpumpe
DE102016205428A1 (de) * 2016-04-01 2017-10-05 Robert Bosch Gmbh Druckdämpfungseinrichtung für eine Fluidpumpe, insbesondere für eine Hochdruckpumpe eines Kraftstoffeinspritzsystems
DE102016207738B4 (de) * 2016-05-04 2018-01-18 Continental Automotive Gmbh Kraftstoffhochdruckpumpe und Abdichteinrichtung
CN109154264B (zh) * 2016-05-27 2020-12-22 日立汽车系统株式会社 高压燃料供给泵
DE102016209930A1 (de) * 2016-06-06 2017-12-07 Elringklinger Ag Kolbenvorrichtung und Pumpenvorrichtung
DE102016212458A1 (de) * 2016-07-08 2018-01-11 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
DE102017203762A1 (de) 2017-03-08 2018-09-13 Continental Automotive Gmbh Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem
CN109268228B (zh) * 2017-07-17 2024-06-04 国家电投集团科学技术研究院有限公司 溶液配送装置及具有其的循环流体回路系统
DE102018200146B4 (de) * 2018-01-08 2019-11-28 Continental Automotive Gmbh Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem
CN110195673B (zh) * 2018-02-27 2021-05-14 纬湃汽车电子(长春)有限公司 高压泵
CN111971471B (zh) 2018-05-18 2022-08-23 伊格尔工业股份有限公司 减震器单元
JP7074563B2 (ja) 2018-05-18 2022-05-24 イーグル工業株式会社 ダンパ装置
KR102438645B1 (ko) 2018-05-18 2022-08-31 이구루코교 가부시기가이샤 댐퍼 장치
US11242832B2 (en) 2018-05-18 2022-02-08 Eagle Industry Co., Ltd. Structure for attaching metal diaphragm damper
KR20200140902A (ko) 2018-05-25 2020-12-16 이구루코교 가부시기가이샤 댐퍼 장치
US11767834B2 (en) * 2018-12-29 2023-09-26 Biosense Webster (Israel) Ltd. Using balloon as damper for port of a reciprocating pump
WO2021095555A1 (ja) * 2019-11-15 2021-05-20 日立Astemo株式会社 金属ダイアフラム、金属ダンパ、及び燃料ポンプ
DE102021208296A1 (de) * 2021-07-30 2023-02-02 Robert Bosch Gesellschaft mit beschränkter Haftung Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe
CN116292004A (zh) * 2021-12-21 2023-06-23 马瑞利欧洲公司 用于直喷系统的燃油泵
CN116591924B (zh) * 2023-05-11 2025-12-16 浙江大学 一种用于深海取样的主动式压力补偿器及其压力补偿方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649884A (en) * 1986-03-05 1987-03-17 Walbro Corporation Fuel rail for internal combustion engines
DE19531811A1 (de) * 1995-08-30 1997-03-06 Bosch Gmbh Robert Kraftstoffeinspritzpumpe
EP1411236B1 (de) * 2002-10-19 2012-10-10 Robert Bosch Gmbh Vorrichtung zum Dämpfen von Druckpulsationen in einem Fluidsystem, insbesondere in einem Kraftstoffsystem einer Brennkraftmaschine
JP4036153B2 (ja) * 2003-07-22 2008-01-23 株式会社日立製作所 ダンパ機構及び高圧燃料供給ポンプ
WO2005035969A1 (de) * 2003-09-18 2005-04-21 A. Kayser Automotive Systems Gmbh Filterbaueinheit und ventil für ein kraftstoffversorgungssystem
DE102004047601A1 (de) * 2004-08-13 2006-02-23 Robert Bosch Gmbh Fluidpumpe, insbesondere Kraftstoff-Hochdruckpumpe
JP4686501B2 (ja) * 2007-05-21 2011-05-25 日立オートモティブシステムズ株式会社 液体脈動ダンパ機構、および液体脈動ダンパ機構を備えた高圧燃料供給ポンプ

Also Published As

Publication number Publication date
IT1396142B1 (it) 2012-11-16
CN102052220B (zh) 2014-11-12
US8672653B2 (en) 2014-03-18
US20110103985A1 (en) 2011-05-05
EP2317119B1 (de) 2012-03-14
ITBO20090720A1 (it) 2011-05-04
EP2317119A1 (de) 2011-05-04
CN102052220A (zh) 2011-05-11

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