WO2016096260A1 - Soupape d'injection de gaz - Google Patents

Soupape d'injection de gaz Download PDF

Info

Publication number
WO2016096260A1
WO2016096260A1 PCT/EP2015/076328 EP2015076328W WO2016096260A1 WO 2016096260 A1 WO2016096260 A1 WO 2016096260A1 EP 2015076328 W EP2015076328 W EP 2015076328W WO 2016096260 A1 WO2016096260 A1 WO 2016096260A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
inner sleeve
injection valve
gas injection
sleeve
Prior art date
Application number
PCT/EP2015/076328
Other languages
German (de)
English (en)
Inventor
Hans-Christoph Magel
Felix WIEDMANN
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
Publication of WO2016096260A1 publication Critical patent/WO2016096260A1/fr

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
    • F02M21/0248—Injectors
    • F02M21/0251—Details of actuators therefor
    • F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
    • 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
    • F02M21/0263—Inwardly opening single or multi nozzle valves, e.g. needle 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
    • F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
    • F02M21/0272—Ball valves; Plate valves; Valves having deformable or flexible parts, e.g. membranes; Rotatable 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • 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
    • F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
    • F02M51/0639—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature acting as a valve
    • 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

Definitions

  • Gas injection valve The invention relates to a gas injection valve, as it is preferably used for gas injection into the intake tract of internal combustion engines.
  • Gas injection valves for injecting a gaseous fuel, in particular for supplying and metering gaseous fuel into the intake tract of an internal combustion engine are known from the prior art, for example from DE 10 2007 003 213 A1.
  • Such a gas injection valve has an outer sleeve which forms part of the housing of the gas injection valve and which closes the essential components in a gastight manner.
  • a gas space is formed, in which gas is present at the desired injection pressure and in which a magnet armature is arranged, which interacts movably by an electromagnet in the gas space with a valve seat and thereby opens and closes one or more injection openings.
  • the supply of the gaseous fuel is usually carried out by gaps or openings which are formed in the space enclosed by the sleeve, wherein the gaseous fuel must be passed by or on the electromagnet.
  • the magnetic core of the electromagnet consists of a soft iron material which has good magnetic properties, but is usually not resistant to corrosion. Due to the constant admission of a gaseous fuel, in addition to the actual fuel admixtures, z. B. of water, it may cause corrosion on the magnetic core and thus to functional impairments come. A sealing of the passage openings in the region of the magnetic core is complex and difficult to produce gas-tight.
  • the gas injection valve according to the invention with the features of claim 1 has the advantage over that the gaseous fuel can be supplied to the injection openings in a simple manner, wherein the magnetic core of the electromagnet is arranged gas-tight relative to the gaseous fuel.
  • the gas injection valve to a magnetic core and a magnetic coil which are arranged stationary in an inner sleeve and a magnet armature which is arranged in a gas space and cooperates with a sealing seat for opening and closing at least one Eindüsö réelle through which the gaseous fuel can escape.
  • an outer sleeve which surrounds the inner sleeve at least in sections, so that an annular space is formed between the outer sleeve and the inner sleeve, wherein the gaseous fuel can be supplied to the injection openings through the annular space.
  • the arrangement of the electromagnet within the inner sleeve and through the annular space remaining between the inner sleeve and the outer sleeve, the supply of the gaseous fuel to the injection ports can be realized in a simple manner, wherein the diameter of inner sleeve and outer sleeve a suitable cross-section can be provided to supply the required amount of gas in the required time the injection ports.
  • the electromagnet within the inner sleeve can easily be completely separated from the gaseous fuel, so that the solenoid is exposed to neither the gaseous fuel nor the admixtures of the gaseous fuel and retains its functionality over the entire life.
  • inflow openings are formed in the inner sleeve, which connect the annular space with the gas space.
  • one or more inflow openings can be formed.
  • the sleeve is advantageously made of a metallic material, wherein the Inflow openings are advantageously formed by a deformed into the interior wall portion of the metallic inner sleeve.
  • a tab is formed by the inwardly deformed wall portion of the inner sleeve, wherein between the tab and a valve disc an outer closing spring is arranged and the valve disc forms part of the armature. Due to the design of the tab, an abutment for the necessary closing springs can be found in a simple manner, which act on the valve disk or the armature in the closing direction, so as to form a counterforce to the force of the electromagnet and to ensure the mobility of the magnet armature.
  • the gas space is formed in the inner sleeve, so that no additional sealing elements are needed to seal the gas space radially outward.
  • the outer sleeve is formed of a metallic material. This allows for a light connection via welded joint, for example to the inner metal sleeve, and can be easily and inexpensively manufacture on the other side.
  • metallic materials are generally gas-tight without special measures.
  • a lid is arranged on the region remote from the injection openings of the gas valve, which is gas-tightly connected to both the inner sleeve and the outer sleeve and in which a feed channel for supplying the gaseous fuel is formed in the annular space.
  • a spring element is biased between the cover and the magnetic core, which biases the magnetic core against a shoulder of the inner sleeve.
  • a local fixation of the magnetic core within the inner sleeve can be realized in a structurally simple manner.
  • the inner sleeve and the outer sleeve are connected in a gastight manner to each other at their end portions facing the injection openings. This can be done for example by a welded joint or adhesive bond. In this way, the annular space can be sealed in a simple manner gas-tight in this section of the gas injection valve.
  • the gas injection valve 1 shows a gas injection valve according to the invention is shown in longitudinal section.
  • the gas injection valve 1 comprises an inner sleeve 3, in which an electric magnet 9 is fixedly arranged, which comprises a magnetic core 4 and a magnetic coil
  • the inner sleeve 3 is gas-tightly connected to a cover 14, for example via a welded connection, wherein between the cover 14 with the interposition of an intermediate disc 10, a spring element 11 is arranged under compressive prestress, which is designed here as a leaf spring and a force on the
  • Magnetic core 4 exerts that presses the magnetic core 4 against a formed on the inside of the inner sleeve 3 shoulder 7.
  • a membrane 8 is further provided facing away from the washer 10 at the bottom of the magnetic core 4 and clamped between the magnetic core 4 and the shoulder 7 and thus fixed in this
  • an outer sleeve 2 Surrounding the inner sleeve 3, furthermore, an outer sleeve 2 is provided, which is connected in a gastight manner at its upper end to the cover 14 and likewise at its lower end in a gastight manner with the inner sleeve 3. Both gas-tight bonds can be realized for example by a welding or adhesive connection.
  • an annular space 6 is formed, which is filled via a formed in the cover 14 feed channel 17 with gaseous fuel.
  • the feed channel 17 is connected in a manner not shown to a gas source which provides gaseous fuel at the necessary injection pressure.
  • a bore 15 is formed in the cover 14, through which an electrical connection 12 is guided, which extends through the washer 10 and the magnetic core 4 to the solenoid 5, so that the solenoid coil 5 can be supplied with the necessary control current.
  • an electrical connection 12 is guided, which extends through the washer 10 and the magnetic core 4 to the solenoid 5, so that the solenoid coil 5 can be supplied with the necessary control current.
  • Envelope 19 is provided, which preferably consists of a plastic and are guided by the not shown in the manner of the electrical connection and the gas connection for supplying the feed channel 17.
  • a gas space 20 is formed, which is bounded by the sleeve 3 radially outwardly and upwardly through the membrane 8 and down through a valve plate 30, wherein in the valve plate 30 has a central Einblasö réelle 31 and a plurality of peripheral injection ports 32 are formed through which gaseous fuel from the gas space 20 can flow.
  • a magnet armature 22 is longitudinally movably arranged in the gas space 20, which comprises an inner armature 24 and an outer armature 25.
  • the inner armature 24 in this case has a central bore 29, in which an inner closing spring 26, which is designed here as a helical compression spring is arranged under pressure bias, wherein the inner closing spring 26 is guided on a compensating element 28, on the dimensions of the spring preload is adjustable ,
  • the inner closing spring 26 is arranged between the compensation element 28 and the magnetic core 4 under pressure bias and thus exerts a closing force on the inner armature 24 in the direction of the valve plate 30.
  • the inner armature 24 lies with its end facing the valve plate on an inner sealing seat 36 and closes in this closed position the gas space 20 with respect to the central injection opening 31st
  • the magnet armature 22 comprises an outer armature 25 which surrounds the inner armature 24 at least in sections, wherein between the inner armature 24 and the outer armature 25 remains an annular channel 33.
  • the outer armature 25 includes a valve plate 27 which is fixedly connected to the outer armature 25.
  • the valve plate 27 cooperates with an outer sealing seat 35 on the valve plate 30 and closes when applied to the valve plate 30, the peripheral injection openings 32 relative to the
  • valve disk 27 has a plurality of spring receptacles 43, which are cup-shaped and of which only one is shown by way of example and described below.
  • spring receptacle 43 is an outer closing spring
  • a pin 45 is formed, which surrounds the outer closing spring 42 and thereby fixed laterally, between the outer closing spring 42 and the tab 40 beyond a shim 46 is disposed to the bias of the outer
  • Set closing spring 42 Distributed over the circumference of the valve disk 27 are preferably three or more outer closing springs 42, which together exert a symmetrical closing force on the valve disk 27 in the direction of the valve plate 30.
  • one or more passage openings 34 are formed, which establish a connection between the gas space 20 and the annular channel 33, which is formed between the outer magnet armature 25 and the inner magnet armature 24.
  • the annular channel 33 is in turn connected to a formed in the valve plate 30 recess 37, can flow through the gaseous fuel from the annular channel 33 to the peripheral injection ports 32.
  • the gas injection valve operates as follows: At the beginning of the injection, the solenoid 9 is not energized, so that both the outer armature 25 and the inner armature 24, due to the inner closing spring 26 and the outer closing springs 42, in the direction of the valve plate 30 with a closing - be acted upon force and held in abutment with the outer sealing seat 35 and the inner sealing seat 36. As a result, both the central injection opening 31 and the peripheral injection openings 32 are closed.
  • both the inner armature 34 lifts off from the inner seal seat 36 and the valve plate 27 from the outer sealing seat 35, so that both the central injection port 31 and the peripheral injection ports 32 are released and gaseous fuel from the gas space 20 through the injection ports 31, 32 after outside.
  • the outflowing gaseous fuel is tracked via the annular space 6 and the inflow openings 38.
  • To stop the injection of the solenoid 9 is switched off or de-energized, so that the inner closing spring 36 and the outer closing springs 42 push the armature 22 back to its closed position.
  • Both the inner sleeve 3 and the outer sleeve 2 are preferably formed metallic, d. H. molded from a sheet, which on the one hand guarantees the gas tightness and on the other hand allows easy connectivity, for example via welded joints, both the cover 14 and between the sleeves 2, 3.
  • the gas injection valve according to the invention can be mounted as follows: In the inner sleeve 3 is first the membrane 8 and then the magnetic core 4 including magnetic coil 5 introduced. Subsequently, the intermediate plate 10, the spring element 11 and the cover 14 is brought into its respective position, wherein the spring element 11 is brought by the positioning of the lid 14 in bias. Subsequently, the lid 14 with the inner sleeve
  • the pins 45 are welded to the tabs 40, wherein the tabs have been previously formed over a molding of a portion of the wall of the inner sleeve 3. Then the mag- netanker, ie, both the inner armature 24 and the outer armature 25, placed within the sleeve 3 in position and also the other components, such as the outer closing springs 42 and the inner closing spring 26. Subsequently, the valve plate 30 is mounted and via a welded joint connected to the inner sleeve 3.
  • the outer sleeve 2 is pushed over the inner sleeve 3 and finally firmly connected to the cover 14 in the upper part of the gas injection valve, preferably via a welded connection. Subsequently, a further welded joint between the outer sleeve 2 and the inner sleeve 3 is made or a welded connection between the outer sleeve 2 and the valve plate 30. In this way, a gas-tight seal of the annular space 6 in both the upper and in the lower portion of Gaseinblasventils 1 reached.
  • the electrical connection 12 and the connection for the feed channel 17 are realized within the cover 14 by a plastic extrusion 19 at the upper region of the gas injection valve.

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)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne une soupape d'injection de gaz (1) comportant un électroaimant (9) qui comprend un noyau magnétique (4) et une bobine magnétique (5) qui sont agencés à demeure dans une gaine intérieure (3), et comportant un induit magnétique (22) qui est agencé dans une chambre à gaz (20) et qui coopère avec un siège d'étanchéité (35 ; 36) pour ouvrir et fermer au moins un orifice d'injection (31 ; 32). La gaine intérieure (3) est par ailleurs entourée au moins par endroits par une gaine extérieure (2), de sorte qu'un espace annulaire (6) est formé entre la gaine extérieure (2) et la gaine intérieure (3). Le combustible gazeux est amené aux orifices d'injection (31 ; 32) en traversant l'espace annulaire (6).
PCT/EP2015/076328 2014-12-18 2015-11-11 Soupape d'injection de gaz WO2016096260A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014226421.9A DE102014226421A1 (de) 2014-12-18 2014-12-18 Gaseinblasventil
DE102014226421.9 2014-12-18

Publications (1)

Publication Number Publication Date
WO2016096260A1 true WO2016096260A1 (fr) 2016-06-23

Family

ID=54542252

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/076328 WO2016096260A1 (fr) 2014-12-18 2015-11-11 Soupape d'injection de gaz

Country Status (2)

Country Link
DE (1) DE102014226421A1 (fr)
WO (1) WO2016096260A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131078A (zh) * 2017-06-28 2017-09-05 哈尔滨工程大学 一种旁通式轴向进气的内导向燃气喷射阀
CN115045766A (zh) * 2022-05-20 2022-09-13 四川中能西控低碳动力装备有限公司 发动机燃气供给的进排气的比例压力控制装置及方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016212075A1 (de) * 2016-07-04 2018-01-04 Robert Bosch Gmbh Ventil zum Eindüsen von gasförmigem Kraftstoff
DE102016223536A1 (de) 2016-11-28 2018-05-30 Robert Bosch Gmbh Ventil zum Dosieren eines Gases
DE102017103799A1 (de) 2017-02-23 2018-08-23 Eto Magnetic Gmbh Elektromagnetische Ventilvorrichtung und Verwendung einer solchen
DE102017213454A1 (de) * 2017-08-03 2019-02-07 Robert Bosch Gmbh Verfahren zur Herstellung eines Dosierventils, Dosierventil
WO2019029811A1 (fr) * 2017-08-10 2019-02-14 Robert Bosch Gmbh Soupape de dosage de fluides
DE102018101230A1 (de) * 2017-09-08 2019-03-14 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung, Verwendung und Verfahren zum Herstellen einer solchen
DE102018001246A1 (de) 2018-02-18 2019-08-22 Gofficient Ug Brennkraftmaschine mit Direkteinblasung durch Abgaswärme erzeugten Dampfes
FI130842B1 (en) 2021-07-29 2024-04-22 Man Energy Solutions Se Fuel supply system formed as a gas engine or as a dual fuel engine and engine
DE102021213832A1 (de) * 2021-12-06 2023-06-07 Robert Bosch Gesellschaft mit beschränkter Haftung Gasventil zur dosierten Abgabe eines gasförmigen Brennstoffs und Verfahren zum Betreiben eines solchen Gasventils

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19905722A1 (de) * 1998-02-24 1999-08-26 Hoerbiger Ventilwerke Gmbh Gasventil
WO1999045250A1 (fr) * 1998-03-03 1999-09-10 Koltec B.V. Systeme d'introduction intermittente et/ou sequentielle d'un combustible gazeux
US6112765A (en) * 1998-05-26 2000-09-05 Caterpillar Inc. Method and apparatus for monitoring operation of a gaseous fuel admission valve
EP1336747A2 (fr) * 2002-02-18 2003-08-20 POLIAUTO di P. Parietti & C. S.n.c. Injecteur électromagnétique pour combustible gazeux
US20070057096A1 (en) * 2005-09-14 2007-03-15 Peter Steinruck Gas valve
WO2007077590A1 (fr) * 2006-01-04 2007-07-12 Emer S.P.A. Injecteur electromagnetique pour combustibles gazeux
DE102007003213A1 (de) 2007-01-22 2008-07-24 Robert Bosch Gmbh Gas-Einblasventil
EP2383457A2 (fr) * 2010-04-29 2011-11-02 Hoerbiger Kompressortechnik Holding GmbH Vanne de gaz
US20140224903A1 (en) * 2011-09-20 2014-08-14 Denso Corporation Fuel injector and method for manufacturing fuel injector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005046434B4 (de) * 2005-09-28 2019-10-24 Robert Bosch Gmbh Ventilmodul zum Zuführen insbesondere gasförmiger Medien an eine Brennkraftmaschine
DE102007003215A1 (de) * 2007-01-22 2008-07-24 Robert Bosch Gmbh Einspritzeinrichtung zur Einspritzung eines Fluids

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19905722A1 (de) * 1998-02-24 1999-08-26 Hoerbiger Ventilwerke Gmbh Gasventil
WO1999045250A1 (fr) * 1998-03-03 1999-09-10 Koltec B.V. Systeme d'introduction intermittente et/ou sequentielle d'un combustible gazeux
US6112765A (en) * 1998-05-26 2000-09-05 Caterpillar Inc. Method and apparatus for monitoring operation of a gaseous fuel admission valve
EP1336747A2 (fr) * 2002-02-18 2003-08-20 POLIAUTO di P. Parietti & C. S.n.c. Injecteur électromagnétique pour combustible gazeux
US20070057096A1 (en) * 2005-09-14 2007-03-15 Peter Steinruck Gas valve
WO2007077590A1 (fr) * 2006-01-04 2007-07-12 Emer S.P.A. Injecteur electromagnetique pour combustibles gazeux
DE102007003213A1 (de) 2007-01-22 2008-07-24 Robert Bosch Gmbh Gas-Einblasventil
EP2383457A2 (fr) * 2010-04-29 2011-11-02 Hoerbiger Kompressortechnik Holding GmbH Vanne de gaz
US20140224903A1 (en) * 2011-09-20 2014-08-14 Denso Corporation Fuel injector and method for manufacturing fuel injector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131078A (zh) * 2017-06-28 2017-09-05 哈尔滨工程大学 一种旁通式轴向进气的内导向燃气喷射阀
CN115045766A (zh) * 2022-05-20 2022-09-13 四川中能西控低碳动力装备有限公司 发动机燃气供给的进排气的比例压力控制装置及方法
CN115045766B (zh) * 2022-05-20 2023-10-27 四川中能西控低碳动力装备有限公司 发动机燃气供给的进排气的比例压力控制装置及方法

Also Published As

Publication number Publication date
DE102014226421A1 (de) 2016-06-23

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