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WO2012062508A3 - Kraftstoffeinspritzsystem einer brennkraftmaschine - Google Patents

Kraftstoffeinspritzsystem einer brennkraftmaschine Download PDF

Info

Publication number
WO2012062508A3
WO2012062508A3 PCT/EP2011/066410 EP2011066410W WO2012062508A3 WO 2012062508 A3 WO2012062508 A3 WO 2012062508A3 EP 2011066410 W EP2011066410 W EP 2011066410W WO 2012062508 A3 WO2012062508 A3 WO 2012062508A3
Authority
WO
WIPO (PCT)
Prior art keywords
combustion engine
internal combustion
injection system
fuel injection
high pressure
Prior art date
Application number
PCT/EP2011/066410
Other languages
English (en)
French (fr)
Other versions
WO2012062508A2 (de
Inventor
Sascha Ambrock
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
Priority to KR1020137011844A priority Critical patent/KR20130139985A/ko
Priority to CN201180053426.8A priority patent/CN103201496B/zh
Priority to JP2013534230A priority patent/JP5719444B2/ja
Priority to EP11760478.5A priority patent/EP2638276B1/de
Priority to RU2013126194/06A priority patent/RU2013126194A/ru
Publication of WO2012062508A2 publication Critical patent/WO2012062508A2/de
Publication of WO2012062508A3 publication Critical patent/WO2012062508A3/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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • 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
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/54—Arrangement of fuel pressure regulators
    • 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
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • 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
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Filtering Materials (AREA)

Abstract

Die Erfindung betrifft ein Kraftstoffeinspritzsystem einer Brennkraftmaschine, umfassend eine Hochdruckkraftstoffpumpe (3), deren Hochdruckbereich (5) eine Zumesseinheit (7) vorgeschaltet ist, die eine aus einem Vorratsbehälter (2) geförderte Kraftstoffmenge dem Hochdruckbereich (5) dosiert über eine Zuführleitung (8) zuführt, wobei von der Zuführleitung (8) eine Nullförderleitung (18) abzweigt, die im Bereich einer Engstelle (20) einer Venturidrossel (19) in einen Rücklauf (14) einmündet, wobei ferner die Venturidrossel (19) in einem Zulauf (21) und/oder in einem Einmündungsabschnitt in die Engstelle (20) je einen Filter (22, 23) aufweist.
PCT/EP2011/066410 2010-11-08 2011-09-21 Kraftstoffeinspritzsystem einer brennkraftmaschine WO2012062508A2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020137011844A KR20130139985A (ko) 2010-11-08 2011-09-21 내연기관의 연료 분사 시스템
CN201180053426.8A CN103201496B (zh) 2010-11-08 2011-09-21 内燃机的燃料喷射系统
JP2013534230A JP5719444B2 (ja) 2010-11-08 2011-09-21 内燃機関の燃料噴射システム
EP11760478.5A EP2638276B1 (de) 2010-11-08 2011-09-21 Kraftstoffeinspritzsystem einer brennkraftmaschine
RU2013126194/06A RU2013126194A (ru) 2010-11-08 2011-09-21 Система впрыскивания топлива в двигатель внутреннего сгорания

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010043531.7 2010-11-08
DE102010043531A DE102010043531A1 (de) 2010-11-08 2010-11-08 Kraftstoffeinspritzsystem einer Brennkraftmaschine

Publications (2)

Publication Number Publication Date
WO2012062508A2 WO2012062508A2 (de) 2012-05-18
WO2012062508A3 true WO2012062508A3 (de) 2012-07-12

Family

ID=44674797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/066410 WO2012062508A2 (de) 2010-11-08 2011-09-21 Kraftstoffeinspritzsystem einer brennkraftmaschine

Country Status (7)

Country Link
EP (1) EP2638276B1 (de)
JP (1) JP5719444B2 (de)
KR (1) KR20130139985A (de)
CN (1) CN103201496B (de)
DE (1) DE102010043531A1 (de)
RU (1) RU2013126194A (de)
WO (1) WO2012062508A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208707A1 (de) * 2013-05-13 2014-11-13 Robert Bosch Gmbh Überstromventil für eine Hochdruckpumpe in einem Kraftstoffeinspritzsystem
DE102013226649A1 (de) * 2013-12-19 2015-06-25 Robert Bosch Gmbh Kraftstoffversorgungseinrichtung eines Kraftstoffeinspritzsystems einer Brennkraftmaschine sowie Überströmventil dazu
DE102015212121A1 (de) * 2015-06-30 2017-01-05 Robert Bosch Gmbh Verfahren zum Ermitteln von Betriebsparametern einer Kraftstoffpumpe
US11268455B2 (en) 2016-09-09 2022-03-08 Walbro Llc Throttle body with fluid flow control
CN106640449B (zh) * 2016-12-27 2018-05-29 清华大学 用于内燃机的自吸式电控低压燃料计量器
CN108150324B (zh) * 2017-12-27 2020-01-03 潍柴动力股份有限公司 用于发动机燃油系统的高压油泵及发动机燃油系统
CN111878272B (zh) * 2020-06-30 2021-10-29 潍柴动力股份有限公司 高压油泵的排气装置及排气方法
CN114017223B (zh) * 2021-11-03 2023-03-24 南岳电控（衡阳）工业技术股份有限公司 一种排油结构及供油系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10154133C1 (de) * 2001-11-03 2003-02-13 Bosch Gmbh Robert Kraftstoffsystem
WO2011000599A1 (de) * 2009-06-30 2011-01-06 Robert Bosch Gmbh Kraftstoffsystem für eine brennkraftmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11257188A (ja) * 1998-03-10 1999-09-21 Hitachi Ltd 燃料リターンバルブ
IT1310754B1 (it) * 1999-11-30 2002-02-22 Elasis Sistema Ricerca Fiat Sistema di valvole per il controllo della pressione di ingresso di unliquido in una pompa ad alta pressione, e relativa valvola di
JP2007239684A (ja) * 2006-03-10 2007-09-20 Bosch Corp 燃料供給用ポンプ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10154133C1 (de) * 2001-11-03 2003-02-13 Bosch Gmbh Robert Kraftstoffsystem
WO2011000599A1 (de) * 2009-06-30 2011-01-06 Robert Bosch Gmbh Kraftstoffsystem für eine brennkraftmaschine

Also Published As

Publication number Publication date
EP2638276B1 (de) 2016-08-17
KR20130139985A (ko) 2013-12-23
EP2638276A2 (de) 2013-09-18
JP2013545914A (ja) 2013-12-26
CN103201496B (zh) 2016-07-13
CN103201496A (zh) 2013-07-10
WO2012062508A2 (de) 2012-05-18
DE102010043531A1 (de) 2012-05-10
RU2013126194A (ru) 2014-12-20
JP5719444B2 (ja) 2015-05-20

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