JP7439399B2 - 燃料噴射弁 - Google Patents

燃料噴射弁 Download PDF

Info

Publication number
JP7439399B2
JP7439399B2 JP2019114737A JP2019114737A JP7439399B2 JP 7439399 B2 JP7439399 B2 JP 7439399B2 JP 2019114737 A JP2019114737 A JP 2019114737A JP 2019114737 A JP2019114737 A JP 2019114737A JP 7439399 B2 JP7439399 B2 JP 7439399B2
Authority
JP
Japan
Prior art keywords
nozzle
nozzle hole
wall
fuel
axis
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
JP2019114737A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021001559A5 (enExample
JP2021001559A (ja
Inventor
典嗣 加藤
孝範 鬼頭
紗緒 吉留
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 JP2019114737A priority Critical patent/JP7439399B2/ja
Priority to DE112020002935.2T priority patent/DE112020002935T5/de
Priority to CN202080044553.0A priority patent/CN114008317B/zh
Priority to PCT/JP2020/023522 priority patent/WO2020255943A1/ja
Publication of JP2021001559A publication Critical patent/JP2021001559A/ja
Publication of JP2021001559A5 publication Critical patent/JP2021001559A5/ja
Priority to US17/554,723 priority patent/US12012916B2/en
Application granted granted Critical
Publication of JP7439399B2 publication Critical patent/JP7439399B2/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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • 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
    • F02M61/1813—Discharge orifices having different orientations with respect to valve member direction of movement, e.g. orientations being such that fuel jets emerging from discharge orifices collide with each other
    • 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
    • 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
    • F02M61/16—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
    • 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

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)
JP2019114737A 2019-06-20 2019-06-20 燃料噴射弁 Active JP7439399B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2019114737A JP7439399B2 (ja) 2019-06-20 2019-06-20 燃料噴射弁
DE112020002935.2T DE112020002935T5 (de) 2019-06-20 2020-06-16 Kraftstoffeinspritzventil
CN202080044553.0A CN114008317B (zh) 2019-06-20 2020-06-16 燃料喷射阀
PCT/JP2020/023522 WO2020255943A1 (ja) 2019-06-20 2020-06-16 燃料噴射弁
US17/554,723 US12012916B2 (en) 2019-06-20 2021-12-17 Fuel injection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019114737A JP7439399B2 (ja) 2019-06-20 2019-06-20 燃料噴射弁

Publications (3)

Publication Number Publication Date
JP2021001559A JP2021001559A (ja) 2021-01-07
JP2021001559A5 JP2021001559A5 (enExample) 2021-09-30
JP7439399B2 true JP7439399B2 (ja) 2024-02-28

Family

ID=73993892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019114737A Active JP7439399B2 (ja) 2019-06-20 2019-06-20 燃料噴射弁

Country Status (5)

Country Link
US (1) US12012916B2 (enExample)
JP (1) JP7439399B2 (enExample)
CN (1) CN114008317B (enExample)
DE (1) DE112020002935T5 (enExample)
WO (1) WO2020255943A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7291737B2 (ja) * 2021-03-09 2023-06-15 日本特殊陶業株式会社 スパークプラグ

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004169572A (ja) 2002-11-18 2004-06-17 Mitsubishi Electric Corp 燃料噴射弁
JP2012246897A (ja) 2011-05-31 2012-12-13 Denso Corp 燃料噴射装置
WO2013027257A1 (ja) 2011-08-22 2013-02-28 トヨタ自動車株式会社 燃料噴射弁
JP2013068125A (ja) 2011-09-21 2013-04-18 Denso Corp 燃料噴射弁
JP2014202078A (ja) 2013-04-01 2014-10-27 トヨタ自動車株式会社 燃料噴射弁
JP2015025406A (ja) 2013-07-25 2015-02-05 株式会社デンソー 燃料噴射弁
JP2017145697A (ja) 2016-02-15 2017-08-24 株式会社Ｓｏｋｅｎ 燃料噴射弁

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4502829B2 (ja) 2005-01-27 2010-07-14 株式会社ケーヒン 燃料噴射弁
JP4595924B2 (ja) * 2006-02-09 2010-12-08 株式会社デンソー 燃料噴射弁
JP2007224746A (ja) * 2006-02-21 2007-09-06 Isuzu Motors Ltd インジェクタノズル
DE102006051327A1 (de) 2006-10-31 2008-05-08 Robert Bosch Gmbh Brennstoffeinspritzventil
CN101251067B (zh) * 2008-03-21 2010-06-02 北京理工大学 挺杆式高压共轨电控喷油器
JP4985661B2 (ja) 2008-03-27 2012-07-25 株式会社デンソー 燃料噴射弁
DE102013225948A1 (de) * 2013-12-13 2015-06-18 Continental Automotive Gmbh Düsenkopf und Fluid-Einspritzventil
JP6771403B2 (ja) * 2017-02-24 2020-10-21 株式会社日立製作所 燃料噴射装置
JP2019114737A (ja) 2017-12-26 2019-07-11 株式会社村田製作所 熱伝導セラミック基板
JP7124350B2 (ja) * 2018-03-08 2022-08-24 株式会社デンソー 燃料噴射システム
JP6590037B2 (ja) * 2018-07-05 2019-10-16 株式会社デンソー 燃料噴射装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004169572A (ja) 2002-11-18 2004-06-17 Mitsubishi Electric Corp 燃料噴射弁
JP2012246897A (ja) 2011-05-31 2012-12-13 Denso Corp 燃料噴射装置
WO2013027257A1 (ja) 2011-08-22 2013-02-28 トヨタ自動車株式会社 燃料噴射弁
JP2013068125A (ja) 2011-09-21 2013-04-18 Denso Corp 燃料噴射弁
JP2014202078A (ja) 2013-04-01 2014-10-27 トヨタ自動車株式会社 燃料噴射弁
JP2015025406A (ja) 2013-07-25 2015-02-05 株式会社デンソー 燃料噴射弁
JP2017145697A (ja) 2016-02-15 2017-08-24 株式会社Ｓｏｋｅｎ 燃料噴射弁

Also Published As

Publication number Publication date
CN114008317A (zh) 2022-02-01
WO2020255943A1 (ja) 2020-12-24
DE112020002935T5 (de) 2022-03-03
JP2021001559A (ja) 2021-01-07
CN114008317B (zh) 2024-10-29
US20220106934A1 (en) 2022-04-07
US12012916B2 (en) 2024-06-18

Similar Documents

Publication Publication Date Title
US7344090B2 (en) Asymmetric fluidic flow controller orifice disc for fuel injector
JP5668984B2 (ja) 燃料噴射装置
JP6292188B2 (ja) 燃料噴射装置
JPS6042351B2 (ja) 還流式渦巻噴射弁
US20190345907A1 (en) Fuel injection device
JP7272645B2 (ja) 燃料噴射弁
JP7439399B2 (ja) 燃料噴射弁
JP4300197B2 (ja) 燃料噴射弁とこれを用いた内燃機関
CN112368475A (zh) 燃料喷射阀
JP6590037B2 (ja) 燃料噴射装置
JP4100286B2 (ja) 流体噴射弁
JP3726830B2 (ja) 燃料噴射ノズルおよび燃料供給装置
CN108495996B (zh) 燃料喷射装置
JP2004332657A (ja) 燃料噴射弁
JP6753817B2 (ja) 燃料噴射弁
JP2021167586A (ja) 燃料噴射弁
WO2016163086A1 (ja) 燃料噴射装置
WO2018037994A1 (ja) 燃料噴射弁
JP3991053B2 (ja) 燃料噴射弁
JPH10318096A (ja) 燃料噴射弁及びこれを搭載した内燃機関
WO2017126293A1 (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: 20210820

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220314

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230221

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230331

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230801

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231002

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: 20240116

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240129

R151 Written notification of patent or utility model registration

Ref document number: 7439399

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151