IT1396143B1 - Pompa carburante con ridotta usura di una guarnizione per un sistema di iniezione diretta - Google Patents

Pompa carburante con ridotta usura di una guarnizione per un sistema di iniezione diretta

Info

Publication number
IT1396143B1
IT1396143B1 ITBO2009A000721A ITBO20090721A IT1396143B1 IT 1396143 B1 IT1396143 B1 IT 1396143B1 IT BO2009A000721 A ITBO2009A000721 A IT BO2009A000721A IT BO20090721 A ITBO20090721 A IT BO20090721A IT 1396143 B1 IT1396143 B1 IT 1396143B1
Authority
IT
Italy
Prior art keywords
pumping chamber
injection system
direct injection
fuel pump
piston
Prior art date
Application number
ITBO2009A000721A
Other languages
English (en)
Inventor
Massimo Mattioli
Luca Mancini
Vita Daniele De
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
Priority to ITBO2009A000721A priority Critical patent/IT1396143B1/it
Priority to AT10189823T priority patent/ATE541120T1/de
Priority to US12/938,819 priority patent/US8556602B2/en
Priority to CN201010543594.2A priority patent/CN102062032B/zh
Priority to EP10189823A priority patent/EP2317120B1/en
Publication of ITBO20090721A1 publication Critical patent/ITBO20090721A1/it
Application granted granted Critical
Publication of IT1396143B1 publication Critical patent/IT1396143B1/it

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
    • F02M59/02—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
    • 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
    • F04B1/0421—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
    • 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
    • F04B1/0448—Sealing means, e.g. for shafts or housings
    • 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
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/143—Sealing provided on the piston
ITBO2009A000721A 2009-11-03 2009-11-03 Pompa carburante con ridotta usura di una guarnizione per un sistema di iniezione diretta IT1396143B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITBO2009A000721A IT1396143B1 (it) 2009-11-03 2009-11-03 Pompa carburante con ridotta usura di una guarnizione per un sistema di iniezione diretta
AT10189823T ATE541120T1 (de) 2009-11-03 2010-11-03 Kraftstoffpumpe mit verringerter dichtungsabnutzung für ein direkteinspritzsystem
US12/938,819 US8556602B2 (en) 2009-11-03 2010-11-03 Fuel pump with reduced seal wear for a direct injection system
CN201010543594.2A CN102062032B (zh) 2009-11-03 2010-11-03 用于直接喷射系统的减小密封磨损的燃料泵
EP10189823A EP2317120B1 (en) 2009-11-03 2010-11-03 Fuel pump with reduced seal wear for a direct injection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO2009A000721A IT1396143B1 (it) 2009-11-03 2009-11-03 Pompa carburante con ridotta usura di una guarnizione per un sistema di iniezione diretta

Publications (2)

Publication Number Publication Date
ITBO20090721A1 ITBO20090721A1 (it) 2011-05-04
IT1396143B1 true IT1396143B1 (it) 2012-11-16

Family

ID=42321011

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO2009A000721A IT1396143B1 (it) 2009-11-03 2009-11-03 Pompa carburante con ridotta usura di una guarnizione per un sistema di iniezione diretta

Country Status (5)

Country Link
US (1) US8556602B2 (it)
EP (1) EP2317120B1 (it)
CN (1) CN102062032B (it)
AT (1) ATE541120T1 (it)
IT (1) IT1396143B1 (it)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5628121B2 (ja) 2011-09-20 2014-11-19 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
DE102012217260A1 (de) * 2012-09-25 2014-03-27 Robert Bosch Gmbh Pumpe, insbesondere Kraftstoffhochdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine
DE102013206930A1 (de) * 2013-04-17 2014-10-23 Robert Bosch Gmbh Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe
JP6221410B2 (ja) * 2013-06-27 2017-11-01 トヨタ自動車株式会社 高圧燃料ポンプ
DE102013212565A1 (de) * 2013-06-28 2014-12-31 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
EP2821646A1 (en) * 2013-07-01 2015-01-07 Delphi International Operations Luxembourg S.à r.l. High pressure pump
CN104728008A (zh) * 2013-12-23 2015-06-24 博世有限公司 燃料喷射泵
DE102015209539A1 (de) * 2015-05-22 2016-11-24 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
JP6434871B2 (ja) * 2015-07-31 2018-12-05 トヨタ自動車株式会社 ダンパ装置
JP6546807B2 (ja) * 2015-08-04 2019-07-17 三菱重工業株式会社 燃料噴射ポンプ、燃料噴射装置、内燃機関
DE102016207738B4 (de) * 2016-05-04 2018-01-18 Continental Automotive Gmbh Kraftstoffhochdruckpumpe und Abdichteinrichtung
DE102017212484A1 (de) * 2017-07-20 2019-01-24 Robert Bosch Gmbh Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
KR101986017B1 (ko) * 2017-09-20 2019-09-03 주식회사 현대케피코 고압연료펌프
CN110195673B (zh) * 2018-02-27 2021-05-14 纬湃汽车电子(长春)有限公司 高压泵
JP7074563B2 (ja) * 2018-05-18 2022-05-24 イーグル工業株式会社 ダンパ装置
WO2019221260A1 (ja) 2018-05-18 2019-11-21 イーグル工業株式会社 ダンパ装置
US11346312B2 (en) 2018-05-18 2022-05-31 Eagle Industry Co., Ltd. Damper unit
EP3795818A4 (en) 2018-05-18 2022-02-16 Eagle Industry Co., Ltd. METAL DIAPHRAGM SHOCK MOUNTING STRUCTURE
US11326568B2 (en) 2018-05-25 2022-05-10 Eagle Industry Co., Ltd. Damper device
DE102021208296A1 (de) * 2021-07-30 2023-02-02 Robert Bosch Gesellschaft mit beschränkter Haftung Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe

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Publication number Priority date Publication date Assignee Title
US2088703A (en) * 1935-11-02 1937-08-03 Garlock Packing Co Machinery packing
US3489098A (en) * 1968-03-18 1970-01-13 Halliburton Co Reciprocating pump having an improved seal and method of manufacture therefor
DE2212471A1 (de) * 1972-03-15 1973-09-20 Peddinghaus Carl Ullrich Dr Fuehrung mit dichtung fuer kolbenstangen
US4807890A (en) * 1985-10-15 1989-02-28 Esco Elevators, Inc. Sealing combination
JP2006170184A (ja) 2004-11-16 2006-06-29 Denso Corp 高圧燃料ポンプ
DE102004063075B4 (de) * 2004-12-28 2015-11-26 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine mit einem Stufenkolben und einem Mengensteuerventil
JP4415884B2 (ja) * 2005-03-11 2010-02-17 株式会社日立製作所 電磁駆動機構，電磁弁機構及び電磁駆動機構によって操作される吸入弁を備えた高圧燃料供給ポンプ，電磁弁機構を備えた高圧燃料供給ポンプ
JP4414966B2 (ja) * 2006-01-16 2010-02-17 Ｎｏｋ株式会社 高圧燃料ポンプおよび高圧燃料ポンプ用シールシステム
DE102006055298A1 (de) 2006-11-23 2008-06-05 Elringklinger Ag Dichtungsanordnung
US7677872B2 (en) * 2007-09-07 2010-03-16 Gm Global Technology Operations, Inc. Low back-flow pulsation fuel injection pump
ATE472051T1 (de) * 2007-09-13 2010-07-15 Magneti Marelli Spa Verfahren zur steuerung eines direkteinspritzungsystems von der common-rail art mit einem absperrventil um die flussrate einer hochdruckkraftstoffpumpe zu regeln

Also Published As

Publication number Publication date
CN102062032B (zh) 2015-01-28
US20110108007A1 (en) 2011-05-12
EP2317120A1 (en) 2011-05-04
US8556602B2 (en) 2013-10-15
ATE541120T1 (de) 2012-01-15
CN102062032A (zh) 2011-05-18
EP2317120B1 (en) 2012-01-11
ITBO20090721A1 (it) 2011-05-04

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