JP6753817B2 - 燃料噴射弁 - Google Patents

燃料噴射弁 Download PDF

Info

Publication number
JP6753817B2
JP6753817B2 JP2017111780A JP2017111780A JP6753817B2 JP 6753817 B2 JP6753817 B2 JP 6753817B2 JP 2017111780 A JP2017111780 A JP 2017111780A JP 2017111780 A JP2017111780 A JP 2017111780A JP 6753817 B2 JP6753817 B2 JP 6753817B2
Authority
JP
Japan
Prior art keywords
fuel
valve
seal portion
needle
valve seat
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
JP2017111780A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018204557A5 (enExample
JP2018204557A (ja
Inventor
一 片岡
一 片岡
典嗣 加藤
典嗣 加藤
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 JP2017111780A priority Critical patent/JP6753817B2/ja
Priority to CN201880037094.6A priority patent/CN110709599B/zh
Priority to DE112018002866.6T priority patent/DE112018002866T5/de
Priority to PCT/JP2018/019111 priority patent/WO2018225475A1/ja
Publication of JP2018204557A publication Critical patent/JP2018204557A/ja
Publication of JP2018204557A5 publication Critical patent/JP2018204557A5/ja
Priority to US16/702,120 priority patent/US20200102922A1/en
Application granted granted Critical
Publication of JP6753817B2 publication Critical patent/JP6753817B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02M61/1886—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
JP2017111780A 2017-06-06 2017-06-06 燃料噴射弁 Active JP6753817B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2017111780A JP6753817B2 (ja) 2017-06-06 2017-06-06 燃料噴射弁
CN201880037094.6A CN110709599B (zh) 2017-06-06 2018-05-17 燃料喷射阀
DE112018002866.6T DE112018002866T5 (de) 2017-06-06 2018-05-17 Kraftstoffeinspritzventil
PCT/JP2018/019111 WO2018225475A1 (ja) 2017-06-06 2018-05-17 燃料噴射弁
US16/702,120 US20200102922A1 (en) 2017-06-06 2019-12-03 Fuel injection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017111780A JP6753817B2 (ja) 2017-06-06 2017-06-06 燃料噴射弁

Publications (3)

Publication Number Publication Date
JP2018204557A JP2018204557A (ja) 2018-12-27
JP2018204557A5 JP2018204557A5 (enExample) 2019-09-12
JP6753817B2 true JP6753817B2 (ja) 2020-09-09

Family

ID=64565816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017111780A Active JP6753817B2 (ja) 2017-06-06 2017-06-06 燃料噴射弁

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
CN110709599B (zh) 2021-08-20
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

Similar Documents

Publication Publication Date Title
CN107407245B (zh) 燃料喷射装置
CN107923356B (zh) 燃料喷射装置
JP2015094234A (ja) 燃料噴射弁
CN107923355A (zh) 燃料喷射装置
US10208722B2 (en) Fuel injection valve
CN106232981A (zh) 燃料喷射阀
JP2008248844A (ja) 燃料噴射弁
JP6753817B2 (ja) 燃料噴射弁
JP6354519B2 (ja) 燃料噴射弁
JP6268185B2 (ja) 燃料噴射弁
JP4129688B2 (ja) 流体噴射弁
WO2020255953A1 (ja) 燃料噴射弁
JP7439399B2 (ja) 燃料噴射弁
JP2018204574A (ja) 燃料噴射弁
WO2017022439A1 (ja) 燃料噴射装置
US10648440B2 (en) Fuel injection valve
JP6253381B2 (ja) 燃料噴射弁
JP6807827B2 (ja) 燃料噴射弁
JP6765346B2 (ja) 燃料噴射弁
WO2017010034A1 (ja) 燃料噴射弁
WO2016163086A1 (ja) 燃料噴射装置
JP6658019B2 (ja) 燃料噴射弁
CN106605060A (zh) 燃料喷射阀
CN107208585A (zh) 燃料喷射阀
JP2017020394A (ja) 燃料噴射装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190805

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190805

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200519

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200707

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: 20200728

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200820

R150 Certificate of patent or registration of utility model

Ref document number: 6753817

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250