JP4305394B2 - 内燃機関用燃料噴射装置 - Google Patents

内燃機関用燃料噴射装置 Download PDF

Info

Publication number
JP4305394B2
JP4305394B2 JP2005016547A JP2005016547A JP4305394B2 JP 4305394 B2 JP4305394 B2 JP 4305394B2 JP 2005016547 A JP2005016547 A JP 2005016547A JP 2005016547 A JP2005016547 A JP 2005016547A JP 4305394 B2 JP4305394 B2 JP 4305394B2
Authority
JP
Japan
Prior art keywords
fuel
pressure
chamber
valve
fuel injection
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.)
Expired - Fee Related
Application number
JP2005016547A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006207384A (ja
JP2006207384A5 (enExample
Inventor
晃 柴田
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2005016547A priority Critical patent/JP4305394B2/ja
Priority to US11/332,371 priority patent/US7249591B2/en
Priority to DE102006000023A priority patent/DE102006000023A1/de
Publication of JP2006207384A publication Critical patent/JP2006207384A/ja
Publication of JP2006207384A5 publication Critical patent/JP2006207384A5/ja
Application granted granted Critical
Publication of JP4305394B2 publication Critical patent/JP4305394B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
JP2005016547A 2005-01-25 2005-01-25 内燃機関用燃料噴射装置 Expired - Fee Related JP4305394B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005016547A JP4305394B2 (ja) 2005-01-25 2005-01-25 内燃機関用燃料噴射装置
US11/332,371 US7249591B2 (en) 2005-01-25 2006-01-17 Fuel injection apparatus for internal combustion engine
DE102006000023A DE102006000023A1 (de) 2005-01-25 2006-01-24 Kraftstoffeinspritzung für eine Brennkraftmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005016547A JP4305394B2 (ja) 2005-01-25 2005-01-25 内燃機関用燃料噴射装置

Publications (3)

Publication Number Publication Date
JP2006207384A JP2006207384A (ja) 2006-08-10
JP2006207384A5 JP2006207384A5 (enExample) 2007-05-10
JP4305394B2 true JP4305394B2 (ja) 2009-07-29

Family

ID=36650741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005016547A Expired - Fee Related JP4305394B2 (ja) 2005-01-25 2005-01-25 内燃機関用燃料噴射装置

Country Status (3)

Country Link
US (1) US7249591B2 (enExample)
JP (1) JP4305394B2 (enExample)
DE (1) DE102006000023A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331140B1 (ko) * 2012-03-27 2013-11-19 주식회사 로보멕 연료분사기
KR101333795B1 (ko) * 2012-03-27 2013-11-29 주식회사 로보멕 연료 분사기
KR101433041B1 (ko) 2013-01-23 2014-08-21 서강대학교산학협력단 연료 분사기

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10301194A1 (de) * 2003-01-15 2004-07-29 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
US20080047527A1 (en) * 2006-08-25 2008-02-28 Jinhui Sun Intensified common rail fuel injection system and method of operating an engine using same
DE102008000115A1 (de) 2007-01-23 2008-07-31 Denso Corp., Kariya Einspritzvorrichtung
JP4548465B2 (ja) * 2007-01-23 2010-09-22 株式会社デンソー インジェクタ
DE102007027973A1 (de) * 2007-06-19 2008-12-24 Robert Bosch Gmbh Kraftstoffinjektor mit Rückschlagventil- und Niederdruckausgleichsfunktion
JP4922906B2 (ja) * 2007-12-10 2012-04-25 日立オートモティブシステムズ株式会社 内燃機関の高圧燃料供給装置および制御装置
US7980224B2 (en) * 2008-02-05 2011-07-19 Caterpillar Inc. Two wire intensified common rail fuel system
EP2743490A1 (en) * 2008-02-21 2014-06-18 Delphi International Operations Luxembourg S.à r.l. A fuel injector with an improved valve control arrangement
US20110213543A1 (en) * 2008-05-28 2011-09-01 Pc/Rc Products, L.L.C. Integration of electronics fuel regulator in a single unit for 4 cycle engines
JP5477899B2 (ja) * 2009-12-18 2014-04-23 ボッシュ株式会社 蓄圧式燃料噴射装置の制御装置及び制御方法並びに蓄圧式燃料噴射装置
US8602319B2 (en) 2010-10-07 2013-12-10 Caterpillar Inc. Needle valve member with frustoconical guide segment and fuel injector using same
DE102011008467B4 (de) * 2011-01-13 2014-01-02 Continental Automotive Gmbh Injektor mit Druckausgleichsmitteln
DK177456B1 (en) * 2011-06-27 2013-06-17 Man Diesel & Turbo Deutschland A fuel valve for large turbocharged two stroke diesel engines
KR101330693B1 (ko) 2011-12-26 2013-11-19 자동차부품연구원 직접분사식 디젤엔진용 인젝터
KR101340980B1 (ko) 2011-12-26 2013-12-13 자동차부품연구원 직접분사식 디젤엔진용 인젝터
EP2806151A1 (en) * 2013-05-20 2014-11-26 Perkins Engines Company Limited Fuel injector
JP6562028B2 (ja) * 2017-04-11 2019-08-21 トヨタ自動車株式会社 内燃機関の制御装置
US10267282B2 (en) * 2014-09-12 2019-04-23 Ge Global Sourcing Llc Pressure relief valve systems
US9771910B2 (en) * 2015-06-25 2017-09-26 Ford Global Technologies, Llc Systems and methods for fuel injection
JP6525016B2 (ja) * 2017-01-12 2019-06-05 トヨタ自動車株式会社 内燃機関の制御装置
JP6583304B2 (ja) * 2017-02-17 2019-10-02 トヨタ自動車株式会社 内燃機関の制御装置
US11220980B2 (en) * 2019-05-16 2022-01-11 Caterpillar Inc. Fuel system having isolation valves between fuel injectors and common drain conduit
JP7439731B2 (ja) 2020-11-04 2024-02-28 株式会社デンソー 燃圧制御システム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682858A (en) 1996-10-22 1997-11-04 Caterpillar Inc. Hydraulically-actuated fuel injector with pressure spike relief valve
DE19939428A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Verfahren und Vorrichtung zur Durchführung einer Kraftstoffeinspritzung
DE10042309B4 (de) * 2000-08-29 2005-04-21 Robert Bosch Gmbh Zumessventil
DE10063545C1 (de) * 2000-12-20 2002-08-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10157411A1 (de) * 2001-11-23 2003-06-26 Bosch Gmbh Robert Injektor zur Hochdruckeinspritzung von Kraftstoff
DE10229417A1 (de) * 2002-06-29 2004-01-15 Robert Bosch Gmbh Speichereinspritzsystem mit Variodüse und Druckübersetzungseinrichtung
DE10251932B4 (de) * 2002-11-08 2007-07-12 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung mit integriertem Druckverstärker
DE10337574A1 (de) * 2003-08-14 2005-03-10 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
DE102004017304A1 (de) * 2004-04-08 2005-10-27 Robert Bosch Gmbh Servoventilangesteuerter Kraftstoffinjektor
DE102004022267A1 (de) * 2004-05-06 2005-12-01 Robert Bosch Gmbh Verfahren und Vorrichtung zur Formung des Einspritzdruckes an einem Kraftstoffinjektor
DE102004022270A1 (de) * 2004-05-06 2005-12-01 Robert Bosch Gmbh Kraftstoffinjektor für Verbrennungskraftmaschinen mit mehrstufigem Steuerventil
DE102004028521A1 (de) * 2004-06-11 2005-12-29 Robert Bosch Gmbh Kraftstoffinjektor mit mehrteiligem Einspritzventilglied und mit Druckverstärker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331140B1 (ko) * 2012-03-27 2013-11-19 주식회사 로보멕 연료분사기
KR101333795B1 (ko) * 2012-03-27 2013-11-29 주식회사 로보멕 연료 분사기
KR101433041B1 (ko) 2013-01-23 2014-08-21 서강대학교산학협력단 연료 분사기

Also Published As

Publication number Publication date
DE102006000023A1 (de) 2006-07-27
US7249591B2 (en) 2007-07-31
JP2006207384A (ja) 2006-08-10
US20060162695A1 (en) 2006-07-27

Similar Documents

Publication Publication Date Title
JP4305394B2 (ja) 内燃機関用燃料噴射装置
US7971574B2 (en) Backpressure valve and fuel system having the same
JP5240181B2 (ja) 燃料噴射装置
US7634986B2 (en) Fuel supply system having fuel filter installed downstream of feed pump
US5598817A (en) Fuel feeding system for internal combustion engine
JP3381918B2 (ja) 電子制御式ユニットインゼクタ用減衰アクチュエータ・弁組立体
JP2539635B2 (ja) 燃料噴射システム
US20090068041A1 (en) Low Back-Flow Pulsation Fuel Injection Pump
US7527043B2 (en) Liquid fuel system with anti-drainback valve and engine using same
US20140305410A1 (en) Auxiliary pressure relief valve in single piston fuel pump
JP2004044446A (ja) 蓄圧式燃料噴射装置
US20040154562A1 (en) Valve for controlling liquids
WO2003008795A1 (fr) Appareil d'injection de combustible a accumulation
JP2006501405A (ja) 蓄圧式噴射システムの圧力波を抑制するための装置
JP6022986B2 (ja) 燃料供給システム
US7107966B2 (en) Fuel injection system
JP4211733B2 (ja) コモンレール式燃料噴射装置
JP4229059B2 (ja) 内燃機関用燃料噴射装置
JP2006017111A (ja) 内燃機関燃料噴射装置における圧力／流れを調節するための装置
JP4404056B2 (ja) 内燃機関用燃料噴射装置
WO1999006691A1 (fr) Dispositif d'injection de carburant dans un accumulateur
JP5338587B2 (ja) レギュレート弁
JP2795138B2 (ja) 内燃機関用燃料供給装置
JPH1089178A (ja) 筒内直接噴射式ガソリンエンジン用燃料回路
JPH11229999A (ja) 高圧燃料ポンプの調量機構

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070314

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070314

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080930

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090113

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090304

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090407

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090420

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120515

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees