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WO2016082986A3 - Injecteur de gaz à propriétes thermiques améliorées - Google Patents

Injecteur de gaz à propriétes thermiques améliorées Download PDF

Info

Publication number
WO2016082986A3
WO2016082986A3 PCT/EP2015/072307 EP2015072307W WO2016082986A3 WO 2016082986 A3 WO2016082986 A3 WO 2016082986A3 EP 2015072307 W EP2015072307 W EP 2015072307W WO 2016082986 A3 WO2016082986 A3 WO 2016082986A3
Authority
WO
WIPO (PCT)
Prior art keywords
gas injector
injector
valve body
disclosed
thermal properties
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.)
Ceased
Application number
PCT/EP2015/072307
Other languages
German (de)
English (en)
Other versions
WO2016082986A2 (fr
Inventor
Friedrich Moser
Guenther Hohl
Michael Knorpp
Olaf SCHOENROCK
Sven Krissler
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to JP2017528566A priority Critical patent/JP6498292B2/ja
Publication of WO2016082986A2 publication Critical patent/WO2016082986A2/fr
Publication of WO2016082986A3 publication Critical patent/WO2016082986A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0296—Manufacturing or assembly; Materials, e.g. coatings
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
    • F02M21/026—Lift valves, i.e. stem operated valves
    • F02M21/0269—Outwardly opening valves, e.g. poppet valves
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • F02M21/0275—Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/029—Arrangement on engines or vehicle bodies; Conversion to gaseous fuel supply systems
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9007—Ceramic materials
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9046—Multi-layered materials
    • 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
    • F02M53/046—Injectors with heating, cooling, or thermally-insulating means with thermally-insulating means
    • 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
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne un injecteur de gaz servant à injecter un combustible gazeux directement dans une chambre de combustion (9) d'un moteur à combustion interne, lequel injecteur de gaz comprend un obturateur (2) destiné à ouvrir ou à fermer une ouverture de passage (37), un corps de soupape (3) et un siège d'étanchéité (4) entre le corps de soupape (3) et l'obturateur (2), le corps de soupape (3) comprenant un dispositif de protection thermique (31) à une extrémité (30) du corps de soupape (3) située côté chambre de combustion. L'invention concerne en outre un ensemble injecteur comprenant un injecteur de gaz selon l'invention. Un autre aspect de la présente invention concerne un moteur à combustion interne qui comprend un injecteur de gaz selon l'invention ou un ensemble injecteur selon l'invention.
PCT/EP2015/072307 2014-11-28 2015-09-29 Injecteur de gaz à propriétes thermiques améliorées Ceased WO2016082986A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017528566A JP6498292B2 (ja) 2014-11-28 2015-09-29 改良された熱的特性を有するガスインジェクタ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014224343.2A DE102014224343A1 (de) 2014-11-28 2014-11-28 Gasinjektor mit verbesserten thermischen Eigenschaften
DE102014224343.2 2014-11-28

Publications (2)

Publication Number Publication Date
WO2016082986A2 WO2016082986A2 (fr) 2016-06-02
WO2016082986A3 true WO2016082986A3 (fr) 2016-07-28

Family

ID=54361047

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/072307 Ceased WO2016082986A2 (fr) 2014-11-28 2015-09-29 Injecteur de gaz à propriétes thermiques améliorées

Country Status (3)

Country Link
JP (1) JP6498292B2 (fr)
DE (1) DE102014224343A1 (fr)
WO (1) WO2016082986A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020203194B4 (de) 2020-03-12 2025-02-06 Erwin Junker Grinding Technology A.S. Verbrennungskraftmaschine für den betrieb mit gasförmigem kraftstoff, insbesondere wasserstoff, und hochdruckventil zum einbringen von gasförmigem kraftstoff in die verbrennungskraftmaschine
GB2611339B (en) * 2021-09-30 2024-02-21 Borgwarner Luxembourg Automotive Systems S A Injector for gaseous fuel
DE102021134495A1 (de) * 2021-12-23 2023-06-29 Liebherr-Components Deggendorf Gmbh Injektor zum Einspritzen von Kraftstoff
DE102022209622A1 (de) * 2022-09-14 2024-03-14 Robert Bosch Gesellschaft mit beschränkter Haftung Gasinjektor mit reduzierten Temperaturen am Dichtsitz
DE102023213160A1 (de) * 2023-12-21 2025-06-26 Robert Bosch Gesellschaft mit beschränkter Haftung Einblasanlage mit einem Injektor zum Einblasen eines gasförmigen Mediums
GB2639041A (en) * 2024-03-08 2025-09-10 Phinia Delphi Luxembourg Sarl Fuel injector for direct injection of gaseous fuel
CN119102931B (zh) * 2024-10-08 2025-09-12 一汽解放汽车有限公司 一种喷气内燃机

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062198A (en) * 1961-11-17 1962-11-06 Nickles Machine Corp Gas engine fuel injection
US3425399A (en) * 1966-05-23 1969-02-04 American Gas Ass Stratified charge gas engine
WO1993023662A1 (fr) * 1992-05-11 1993-11-25 United Fuels Limited Perfectionnements apportes aux moteurs a combustion interne
JPH09273451A (ja) * 1996-04-05 1997-10-21 Keehin:Kk 気体燃料噴射弁
AT413136B (de) * 1998-04-03 2005-11-15 Hoerbiger Ventilwerke Gmbh Gasladeventil
JP2007162678A (ja) * 2005-11-16 2007-06-28 Toyota Motor Corp 燃料噴射弁
JP2007205295A (ja) * 2006-02-03 2007-08-16 Mitsui Eng & Shipbuild Co Ltd ガスエンジン用パイロット燃料噴射弁の冷却装置
EP2636880A1 (fr) * 2012-03-06 2013-09-11 Delphi Automotive Systems Luxembourg SA Joint d'étanchéité de pointe d'un injecteur
EP2775133A1 (fr) * 2013-03-06 2014-09-10 Delphi Automotive Systems Luxembourg SA Un moyen de protection pour une buse d'injecteur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041576U (ja) * 1983-08-30 1985-03-23 日産自動車株式会社 直接噴射式燃料噴射弁
JPS62298658A (ja) * 1986-06-19 1987-12-25 Diesel Kiki Co Ltd 燃料噴射ノズル
JP3918361B2 (ja) * 1999-05-13 2007-05-23 いすゞ自動車株式会社 副室式ガスエンジン
JP3642011B2 (ja) * 2000-07-19 2005-04-27 日産自動車株式会社 圧縮自己着火式内燃機関

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062198A (en) * 1961-11-17 1962-11-06 Nickles Machine Corp Gas engine fuel injection
US3425399A (en) * 1966-05-23 1969-02-04 American Gas Ass Stratified charge gas engine
WO1993023662A1 (fr) * 1992-05-11 1993-11-25 United Fuels Limited Perfectionnements apportes aux moteurs a combustion interne
JPH09273451A (ja) * 1996-04-05 1997-10-21 Keehin:Kk 気体燃料噴射弁
AT413136B (de) * 1998-04-03 2005-11-15 Hoerbiger Ventilwerke Gmbh Gasladeventil
JP2007162678A (ja) * 2005-11-16 2007-06-28 Toyota Motor Corp 燃料噴射弁
JP2007205295A (ja) * 2006-02-03 2007-08-16 Mitsui Eng & Shipbuild Co Ltd ガスエンジン用パイロット燃料噴射弁の冷却装置
EP2636880A1 (fr) * 2012-03-06 2013-09-11 Delphi Automotive Systems Luxembourg SA Joint d'étanchéité de pointe d'un injecteur
EP2775133A1 (fr) * 2013-03-06 2014-09-10 Delphi Automotive Systems Luxembourg SA Un moyen de protection pour une buse d'injecteur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BACKHAUS R: "Neue aufgeladene Motoren für den Erdgasbetrieb", MTZ - MOTORTECHNISCHE ZEITSCHRIFT,, vol. 70, 1 July 2009 (2009-07-01), pages 536 - 539, XP007909241, ISSN: 0024-8525 *

Also Published As

Publication number Publication date
DE102014224343A1 (de) 2016-06-02
JP2017536501A (ja) 2017-12-07
WO2016082986A2 (fr) 2016-06-02
JP6498292B2 (ja) 2019-04-10

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