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DE69724172D1 - Vorrichtung zur direkten Kraftstoffeinspritzung und mit dieser Vorrichtung ausgestatteter Verbrennungsmotor - Google Patents

Vorrichtung zur direkten Kraftstoffeinspritzung und mit dieser Vorrichtung ausgestatteter Verbrennungsmotor

Info

Publication number
DE69724172D1
DE69724172D1 DE69724172T DE69724172T DE69724172D1 DE 69724172 D1 DE69724172 D1 DE 69724172D1 DE 69724172 T DE69724172 T DE 69724172T DE 69724172 T DE69724172 T DE 69724172T DE 69724172 D1 DE69724172 D1 DE 69724172D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
fuel injection
direct fuel
engine equipped
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
DE69724172T
Other languages
English (en)
Other versions
DE69724172T2 (de
Inventor
Yoshio Okamoto
Minoru Ohsuga
Tohru Ishikawa
Masahiro Souma
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.)
Hitachi Ltd
Hitachi Astemo Ltd
Original Assignee
Hitachi Ltd
Hitachi Car Engineering Co 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 Ltd, Hitachi Car Engineering Co Ltd filed Critical Hitachi Ltd
Publication of DE69724172D1 publication Critical patent/DE69724172D1/de
Application granted granted Critical
Publication of DE69724172T2 publication Critical patent/DE69724172T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/188—Spherical or partly spherical shaped valve member ends
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/04—Injectors with heating, cooling, or thermally-insulating means
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F02M65/007—Cleaning
    • F02M65/008—Cleaning of injectors only
    • 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
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/045—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the combustion chamber
    • 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
    • F02M69/04—Injectors peculiar thereto
    • F02M69/047—Injectors peculiar thereto injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/19—Nozzle materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
DE69724172T 1996-02-14 1997-02-12 Vorrichtung zur direkten Kraftstoffeinspritzung und mit dieser Vorrichtung ausgestatteter Verbrennungsmotor Expired - Fee Related DE69724172T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP02645396A JP3478920B2 (ja) 1996-02-14 1996-02-14 筒内燃料噴射装置およびそれを搭載した内燃機関
JP2645396 1996-02-14

Publications (2)

Publication Number Publication Date
DE69724172D1 true DE69724172D1 (de) 2003-09-25
DE69724172T2 DE69724172T2 (de) 2004-06-03

Family

ID=12193934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69724172T Expired - Fee Related DE69724172T2 (de) 1996-02-14 1997-02-12 Vorrichtung zur direkten Kraftstoffeinspritzung und mit dieser Vorrichtung ausgestatteter Verbrennungsmotor

Country Status (5)

Country Link
US (1) US5915352A (de)
EP (1) EP0790404B1 (de)
JP (1) JP3478920B2 (de)
KR (1) KR100233754B1 (de)
DE (1) DE69724172T2 (de)

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JP3771361B2 (ja) * 1997-11-26 2006-04-26 株式会社日立製作所 燃料噴射弁
FR2772432B1 (fr) * 1997-12-12 2000-02-18 Magneti Marelli France Injecteur d'essence a revetement ceramique anti-calamine, pour injection directe
US6935578B1 (en) 1998-11-25 2005-08-30 Hitachi, Ltd. Fuel injection valve
US6205983B1 (en) 1999-01-13 2001-03-27 Siemens Automotive Corporation Air assist fuel injector with fuel swirl feature
DE19937961A1 (de) * 1999-08-11 2001-02-15 Bosch Gmbh Robert Brennstoffeinspritzventil und Verfahren zur Herstellung von Austrittsöffnungen an Ventilen
AUPQ671500A0 (en) * 2000-04-05 2000-05-04 Orbital Engine Company (Australia) Proprietary Limited Fuel injector nozzles
DE10049518B4 (de) * 2000-10-06 2005-11-24 Robert Bosch Gmbh Brennstoffeinspritzventil
FR2818699B1 (fr) * 2000-12-21 2003-04-11 Roxer Dispositif d'injection d'un carburant gazeux sous forme liquide pour moteur a combustion interne comportant des moyens de transfert de chaleur
DE10130685A1 (de) * 2001-06-26 2003-01-02 Bosch Gmbh Robert Brennstoffeinspritzventil
DE10142299A1 (de) * 2001-08-29 2003-04-17 Bosch Gmbh Robert Brennstoffeinspritzsystem
DE10148597A1 (de) * 2001-10-02 2003-08-21 Bosch Gmbh Robert Brennstoffeinspritzventil
JP4147405B2 (ja) * 2003-09-25 2008-09-10 株式会社デンソー 燃料噴射弁
CA2442601C (en) * 2003-09-26 2005-05-24 Westport Research Inc. A fuel injection system and method of operation for a gaseous fuelled engine with liquid pilot fuel ignition
JP4034263B2 (ja) * 2003-12-25 2008-01-16 三菱電機株式会社 燃料噴射弁及びスワラー製造方法
US7198207B2 (en) * 2004-11-05 2007-04-03 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7168637B2 (en) * 2004-11-05 2007-01-30 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7104475B2 (en) * 2004-11-05 2006-09-12 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7124963B2 (en) * 2004-11-05 2006-10-24 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7051957B1 (en) * 2004-11-05 2006-05-30 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7185831B2 (en) * 2004-11-05 2007-03-06 Ford Motor Company Low pressure fuel injector nozzle
US7438241B2 (en) * 2004-11-05 2008-10-21 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7137577B2 (en) * 2004-11-05 2006-11-21 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
DE102010028863A1 (de) * 2010-05-11 2011-11-17 Robert Bosch Gmbh Vorrichtung zur Reduktion von Schadstoffen im Abgasstrom eines Verbrennungsmotors
US8690080B2 (en) * 2011-09-21 2014-04-08 Delavan Inc Compact high flow pressure atomizers
BR112015002264A2 (pt) * 2012-08-01 2017-07-04 3M Innovative Properties Co bocais injetores de combustível com ao menos uma porta múltipla de entrada e/ou múltiplas portas de saída
DE102012214522B3 (de) * 2012-08-15 2014-03-27 Ford Global Technologies, Llc Einspritzventil
US9790906B2 (en) * 2014-08-15 2017-10-17 Continental Automotive Systems, Inc. High pressure gasoline injector seat to reduce particle emissions
AT519022B1 (de) * 2016-06-06 2018-03-15 Forschungsgesellschaft Fuer Verbrennungskraftmaschinen Und Thermodynamik Mbh Zweitakt-Verbrennungsmotor
CN106224148B (zh) * 2016-08-02 2018-12-11 成都威特电喷有限责任公司 带有转接螺套的电控高压燃油喷射装置
CN106050501B (zh) * 2016-08-02 2018-09-11 成都威特电喷有限责任公司 高可靠性电控高压燃油喷射装置
JP6520897B2 (ja) 2016-11-16 2019-05-29 トヨタ自動車株式会社 内燃機関
US11428188B1 (en) * 2021-07-01 2022-08-30 Caterpillar Inc. Unclogging of ducts for fuel injection

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GB251121A (en) * 1925-05-28 1926-04-29 Maschf Augsburg Nuernberg Ag Improvements in or relating to internal combustion engines of the solid fuel injection type
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US4245589A (en) * 1978-07-18 1981-01-20 Ryan Joseph C Exothermic injector adapter
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US4981266A (en) * 1981-05-30 1991-01-01 Robert Bosch Gmbh Injection valve
JPS5872671A (ja) * 1981-10-23 1983-04-30 Hitachi Zosen Corp 燃料噴射弁
DE3404709A1 (de) * 1984-02-10 1985-08-14 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzduese fuer brennkraftmaschinen
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DE3735526C2 (de) * 1986-10-24 1999-01-21 Denso Corp Elektromagnetisches Kraftstoffeinspritzventil
JPH02501081A (ja) * 1986-10-30 1990-04-12 ジーメンス・アクティエンゲゼルシャフト 渦巻室戻りを有する噴射器
DE3943005A1 (de) * 1988-12-28 1990-07-05 Hitachi Ltd Elektromagnetische einspritzventilvorrichtung
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US4971254A (en) * 1989-11-28 1990-11-20 Siemens-Bendix Automotive Electronics L.P. Thin orifice swirl injector nozzle
JP2996525B2 (ja) * 1991-03-20 2000-01-11 株式会社日立製作所 燃料噴射弁
US5207384A (en) * 1991-09-18 1993-05-04 Siemens Automotive L.P. Swirl generator for an injector
US5307997A (en) * 1993-03-12 1994-05-03 Siemens Automotive L.P. Fuel injector swirl passages
US5570841A (en) * 1994-10-07 1996-11-05 Siemens Automotive Corporation Multiple disk swirl atomizer for fuel injector

Also Published As

Publication number Publication date
US5915352A (en) 1999-06-29
EP0790404A1 (de) 1997-08-20
JPH09217669A (ja) 1997-08-19
JP3478920B2 (ja) 2003-12-15
EP0790404B1 (de) 2003-08-20
KR970062314A (ko) 1997-09-12
DE69724172T2 (de) 2004-06-03
KR100233754B1 (ko) 1999-12-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee