CN110709599B - 燃料喷射阀 - Google Patents

燃料喷射阀 Download PDF

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Publication number
CN110709599B
CN110709599B CN201880037094.6A CN201880037094A CN110709599B CN 110709599 B CN110709599 B CN 110709599B CN 201880037094 A CN201880037094 A CN 201880037094A CN 110709599 B CN110709599 B CN 110709599B
Authority
CN
China
Prior art keywords
valve
fuel
needle
valve seat
valve body
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.)
Active
Application number
CN201880037094.6A
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English (en)
Chinese (zh)
Other versions
CN110709599A (zh
Inventor
片冈一
加藤典嗣
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
Publication of CN110709599A publication Critical patent/CN110709599A/zh
Application granted granted Critical
Publication of CN110709599B publication Critical patent/CN110709599B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F02M61/042—The valves being provided with fuel passages
    • 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
    • F02M61/165—Filtering elements specially adapted in fuel inlets to injector
    • 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
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/1833—Discharge orifices having changing cross sections, e.g. being divergent
    • 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
    • F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
    • 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
    • F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
CN201880037094.6A 2017-06-06 2018-05-17 燃料喷射阀 Active CN110709599B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017111780A JP6753817B2 (ja) 2017-06-06 2017-06-06 燃料噴射弁
JP2017-111780 2017-06-06
PCT/JP2018/019111 WO2018225475A1 (ja) 2017-06-06 2018-05-17 燃料噴射弁

Publications (2)

Publication Number Publication Date
CN110709599A CN110709599A (zh) 2020-01-17
CN110709599B true CN110709599B (zh) 2021-08-20

Family

ID=64565816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880037094.6A Active CN110709599B (zh) 2017-06-06 2018-05-17 燃料喷射阀

Country Status (5)

Country Link
US (1) US20200102922A1 (enExample)
JP (1) JP6753817B2 (enExample)
CN (1) CN110709599B (enExample)
DE (1) DE112018002866T5 (enExample)
WO (1) WO2018225475A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12078136B2 (en) * 2022-05-20 2024-09-03 Caterpillar Inc. Fuel injector nozzle assembly including needle having flow guiding tip for directing fuel flow

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124579U (ja) * 1984-01-31 1985-08-22 いすゞ自動車株式会社 燃料噴射ノズル
JPH0725272U (ja) * 1993-10-05 1995-05-12 日野自動車工業株式会社 直接噴射式ディーゼル機関の燃料噴射ノズル
DE4435163A1 (de) * 1994-09-30 1996-04-04 Bosch Gmbh Robert Düsenplatte, insbesondere für Einspritzventile und Verfahren zur Herstellung einer Düsenplatte
DE10122353B4 (de) * 2001-05-09 2004-04-22 Robert Bosch Gmbh Brennstoffeinspritzventil
US7530507B2 (en) * 2003-12-19 2009-05-12 Continental Automotive Systems Us, Inc. Fuel injector with a metering assembly having a seat secured to polymeric support member that is secured to a polymeric housing with a guide member and a seat disposed in the polymeric support member
CN100422545C (zh) * 2004-12-15 2008-10-01 浙江飞亚电子有限公司 一种喷油嘴
DE102007052363A1 (de) * 2007-11-02 2009-05-07 Robert Bosch Gmbh Partikelschutz für Schaltventile
CN101545438B (zh) * 2008-03-27 2012-07-04 株式会社电装 喷射器
JP5312148B2 (ja) * 2009-03-30 2013-10-09 株式会社ケーヒン 燃料噴射弁
DE102013201897A1 (de) * 2013-02-06 2014-08-07 Robert Bosch Gmbh Ventil zum Zumessen von Fluid
JP2016108993A (ja) * 2014-12-04 2016-06-20 愛三工業株式会社 燃料供給装置

Also Published As

Publication number Publication date
JP6753817B2 (ja) 2020-09-09
DE112018002866T5 (de) 2020-03-05
WO2018225475A1 (ja) 2018-12-13
US20200102922A1 (en) 2020-04-02
CN110709599A (zh) 2020-01-17
JP2018204557A (ja) 2018-12-27

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