CN106050479A - Gas injection valve and injection pipe structure and installation and arrangement method - Google Patents

Gas injection valve and injection pipe structure and installation and arrangement method Download PDF

Info

Publication number
CN106050479A
CN106050479A CN201610415932.1A CN201610415932A CN106050479A CN 106050479 A CN106050479 A CN 106050479A CN 201610415932 A CN201610415932 A CN 201610415932A CN 106050479 A CN106050479 A CN 106050479A
Authority
CN
China
Prior art keywords
injection valve
gas injection
playpipe
fuel gas
described
Prior art date
Application number
CN201610415932.1A
Other languages
Chinese (zh)
Inventor
唐靖
余建发
商治
张桂荣
Original Assignee
重庆潍柴发动机有限公司
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 重庆潍柴发动机有限公司 filed Critical 重庆潍柴发动机有限公司
Priority to CN201610415932.1A priority Critical patent/CN106050479A/en
Publication of CN106050479A publication Critical patent/CN106050479A/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels
    • Y02T10/32Gaseous fuels

Abstract

The invention discloses a gas injection valve and injection pipe structure, and belongs to the technical field of gas engines for ships. The gas injection valve and injection pipe structure comprises a gas injection valve installed on the lateral surface of a low-temperature area, with good heat radiation performance, of an engine body. A gas outlet end of the gas injection valve detachably communicates with an injection pipe. The free end, far away from the gas injection valve, of the injection pipe is inserted into the engine body, and an outlet of the free end directly extends into a cylinder cover gas inlet passage communicating with gas inlet cavity of the engine body. The structure allows the gas injection valve to be installed in the low-temperature area, with the good heat radiation performance, of the lateral surface of the engine body, so that the reliability of the gas injection valve is guaranteed. The gas injection pipe directly reaches the cylinder cover gas inlet passage along the gas inlet cavity of the engine body, and thus gas is injected in the position as closer as possible to an air inlet valve.

Description

A kind of fuel gas injection valve and playpipe structure, mounting arrangements method

Technical field

The invention belongs to gas engine technical field peculiar to vessel, be specifically related to a kind of fuel gas injection valve and playpipe structure, Mounting arrangements method.

Background technology

Fuel gas injection valve (or electromagnetic injection valve) is the valve that a kind of electromagnetic force opens and closes, for controlling fuel Injection.Fuel gas injection valve is many at present is directly arranged in inlet manifold.For the housing construction that air inlet-outlet pipe homonymy is arranged, Fuel gas injection valve can be narrow and small with installing space, installs inconvenience, and the performance and used life that high row's temperature of exhaustor is to injection valve Have a significant impact.A kind of novel being installed on the parts after fuel gas injection valve therefore, it is necessary to design, Main Function is to make combustion gas Carry out spraying combustion gas, to overcome drawbacks described above at set point.

Summary of the invention

In view of this, it is an object of the invention to provide a kind of fuel gas injection valve and playpipe, mounting arrangements method, to permit Permitted fuel gas injection valve and be arranged on engine body side surface and the good low-temperature space that dispels the heat.

For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions:

A kind of fuel gas injection valve of present invention offer and playpipe structure, including fuel gas injection valve, described fuel gas injection valve It is arranged on engine body the low-temperature space side with good heat radiating, the dismountable connection in outlet side of described fuel gas injection valve Having playpipe, described playpipe inserts in engine body at the free end away from described fuel gas injection valve, going out of its free end Mouth is directly protruding in the cylinder cap air intake duct being connected with engine body inlet chamber.

Further, described playpipe is by being spirally connected or spin or grafting or overlap joint or Flange joint being in described fuel gas injection Valve.

Further, the free end side of described playpipe has side venthole, and top has front venthole.

Further, the end, free end front end of described playpipe is arc-shaped, and circular hole has been backed down in termination.

Further, the free end front end of described playpipe is provided with dismountable shower nozzle, and described shower nozzle includes in an inside Empty bullet shaped structure, this bullet shaped structure top and sidewall be provided with multiple spray orifice, and tail end is provided with the connection post of hollow.

Further, the connection post of described hollow is by being spirally connected or spin or grafting or overlap joint or Flange joint being in described injection Pipe.

Further, the tube wall of described playpipe is provided with flexible metal pipe.

Present invention also offers a kind of mounting arrangements method utilizing above-mentioned fuel gas injection valve and playpipe structure, specifically wrap Include following steps: first, one end of playpipe is affixed with the outlet side of fuel gas injection valve;Then, engine body selects Select the low-temperature space side with good heat radiating, and playpipe through this side and is complied with at the free end away from fuel gas injection valve Engine body inlet chamber is directly protruding in the cylinder cap air intake duct on the cylinder cap being connected with body;Finally, will be with playpipe This side of being fixedly mounted on engine body of fuel gas injection valve on.

Compared with prior art, the method have the benefit that: the present invention realizes allowing fuel gas injection valve to be arranged on Engine body side surface and the good low-temperature space that dispels the heat, it is ensured that the reliability of fuel gas injection valve, playpipe is complied with body and is entered simultaneously Air cavity goes directly cylinder cap air intake duct, can make combustion gas as far as possible from inlet valve closer to local injection.

Other advantages, target and the feature of the present invention will be illustrated to a certain extent in the following description, and And to a certain extent, will be apparent to those skilled in the art based on to investigating hereafter, or can To be instructed from the practice of the present invention.The target of the present invention and other advantages can be realized by description below and Obtain.

Accompanying drawing explanation

In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention made into The detailed description of one step, wherein:

Fig. 1 is the mounting arrangements schematic diagram of fuel gas injection valve of the present invention and playpipe structure;

Fig. 2 is the schematic diagram of playpipe in fuel gas injection valve of the present invention and playpipe constructive embodiment one;

Fig. 3 is the intention of shower nozzle in fuel gas injection valve of the present invention and playpipe constructive embodiment two;

Reference, 1-body;2-fuel gas injection valve;3-playpipe, 301-side venthole, 302-thousand venthole;4-sprays Head, 401-spray orifice, the connection post of 402-hollow;5-cylinder cap;6-flange;A-body inlet chamber;B-cylinder cap air intake duct.

Detailed description of the invention

Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail;Should be appreciated that preferred embodiment Only for the explanation present invention rather than in order to limit the scope of the invention.

Embodiment one:

As shown in Figure 1-2, a kind of fuel gas injection valve and playpipe structure, including fuel gas injection valve 2, described fuel gas injection valve 2 are arranged on the low-temperature space side on engine body 1 with good heat radiating, and the outlet side of described fuel gas injection valve 2 is dismountable Being communicated with playpipe 3, described playpipe 3 inserts in engine body 1 at the free end away from described fuel gas injection valve 2, and it is certainly It is directly protruding in the cylinder cap air intake duct B being connected with engine body inlet chamber A by the outlet held;This playpipe 3 passes through method Orchid 6 is fixing with described fuel gas injection valve 2 to be connected, and the free end side of described playpipe 3 has side venthole 301, and top has Front venthole 302, the end, free end front end of described playpipe 3 is arc-shaped, and circular hole has been backed down in termination, the most just Being to be welded with the flange 6 being connected with injection valve 2 outlet side on one end of playpipe 3, other end termination is arc-shaped and offers Side venthole 301 and front venthole 302.So, by designed arc-shaped appearance, playpipe can be made to pass through body inlet chamber A and cylinder cap gas Facilitate insertion into during road B, meanwhile, the damage to its front end in insertion process can be avoided.The present invention realizes allowing fuel gas injection valve peace It is contained in engine body side surface and the good low-temperature space that dispels the heat, it is ensured that the reliability of fuel gas injection valve, playpipe complies with machine simultaneously Body inlet chamber goes directly cylinder cap air intake duct, can make combustion gas as far as possible from inlet valve closer to local injection.

The operation principle of this structure: when the engine operates, fuel gas injection valve 2 is controlled opening and closing by ECU, works as fuel gas injection valve 2 are in opening, and combustion gas enters fuel gas injection pipe 3 and enters cylinder by outlet (fuel gas injection district) the interior spray orifice 4 of its free end Lid air intake duct B mixes with the air entered in cylinder cap air intake duct B in body inlet chamber A, finally enters cylinder internal combustion Burn.Otherwise, when fuel gas injection valve 2 is closed, combustion gas then stops injection.

In the present embodiment, the tube wall of described playpipe 3 is provided with flexible metal pipe.As such, it is possible to by pliability gold Belong to arbitrary deformation and the setting function of pipe, this playpipe 3 can be realized and comply with body inlet chamber A and extend in cylinder cap air intake duct B, and Farthest close to valve.

Embodiment two:

As it is shown on figure 3, the present embodiment is with the difference of embodiment one: the free end front end of described playpipe 3 sets Have dismountable shower nozzle 4, described shower nozzle 4 to include the bullet shaped structure of an inner hollow, this bullet shaped structure top and Sidewall is provided with multiple spray orifice 401, and tail end is provided with the connection post 402 of hollow.So, make this shower nozzle 4 can be with by the way of being spirally connected The dismountable connection of playpipe 3, is not only convenient for changing shower nozzle 4, and its front end is the insertion that bullet shaped structure is also convenient for playpipe 3, Make quick and easy for installation.Shown in spray orifice 401 be slotted eye, in order to more described spray orifice is set on shower nozzle 4 so that The injection of playpipe.Certainly the most in various embodiments, the connection post 402 of described hollow can also use and spin or grafting or take Connect or Flange joint is in described playpipe 3.

Present invention also offers a kind of mounting arrangements method utilizing above-mentioned fuel gas injection valve and playpipe structure, specifically wrap Include following steps: first, one end of playpipe 3 is affixed with the outlet side of fuel gas injection valve 2;Then, on engine body 1 Select to have the low-temperature space side of good heat radiating, and by playpipe 3 the free end away from fuel gas injection valve 2 through this side and Comply with engine body inlet chamber A to be directly protruding in the cylinder cap air intake duct B on the cylinder cap 5 being connected with body 1;Finally, will band The fuel gas injection valve 2 having playpipe 3 is fixedly mounted on the low-temperature space side on engine body 1 with good heat radiating, completes The mounting arrangements of total.

Certainly, in different way of example, it is also possible to first playpipe 3 is worn at the free end away from fuel gas injection valve 2 Cross on engine body 1, select to have the low-temperature space side of good heat radiating, and comply with engine body inlet chamber A and be directly protruding into In cylinder cap air intake duct B on the cylinder cap 5 being connected with body 1, and its playpipe 3 is exposed at body in one end relative with free end Outside 1;Then, the outlet side of fuel gas injection valve 2 connects with the playpipe end being exposed at outside body 1;Finally, will be with playpipe 3 Fuel gas injection valve 2 be fixedly mounted on the low-temperature space side on engine body 1 with good heat radiating, complete total Mounting arrangements.

Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention Art scheme is modified or equivalent, and without deviating from objective and the scope of the technical program, it all should be contained in the present invention Right in the middle of.

Claims (8)

1. fuel gas injection valve and a playpipe structure, including fuel gas injection valve, it is characterised in that: described fuel gas injection valve is installed Having the low-temperature space side of good heat radiating on engine body, the outlet side of described fuel gas injection valve is dismountable is communicated with spray Penetrating pipe, described playpipe inserts in engine body at the free end away from described fuel gas injection valve, and the outlet of its free end is straight Connect and extend in the cylinder cap air intake duct being connected with engine body inlet chamber.
Fuel gas injection valve the most according to claim 1 and playpipe structure, it is characterised in that: described playpipe is by being spirally connected Or spin or grafting or overlap joint or Flange joint are in described fuel gas injection valve.
Fuel gas injection valve the most according to claim 1 and playpipe structure, it is characterised in that: the free end of described playpipe Side has side venthole, and top has front venthole.
Fuel gas injection valve the most according to claim 3 and playpipe structure, it is characterised in that: the free end of described playpipe End, front end is arc-shaped, and circular hole has been backed down in termination.
Fuel gas injection valve the most according to claim 1 and playpipe structure, it is characterised in that: the free end of described playpipe Front end is provided with dismountable shower nozzle, and described shower nozzle includes the bullet shaped structure of an inner hollow, this bullet shaped structure top End and sidewall are provided with multiple spray orifice, and tail end is provided with the connection post of hollow.
Fuel gas injection valve the most according to claim 5 and playpipe structure, it is characterised in that: the connection post of described hollow leads to Cross and be spirally connected or spin or grafting or overlap joint or Flange joint are in described playpipe.
Fuel gas injection valve the most according to claim 1 and playpipe structure, it is characterised in that: the tube wall of described playpipe sets It is equipped with flexible metal pipe.
8. utilize the mounting arrangements method of the fuel gas injection valve described in any one of claim 1-7 and playpipe structure, its feature It is to comprise the steps: first, one end of playpipe is affixed with the outlet side of fuel gas injection valve;Then, in engine Select the low-temperature space side with good heat radiating on body, and playpipe is passed this side at the free end away from fuel gas injection valve And comply with engine body inlet chamber and be directly protruding in the cylinder cap air intake duct on the cylinder cap being connected with body;Finally, will be with On this side that the fuel gas injection valve of playpipe is fixedly mounted on engine body.
CN201610415932.1A 2016-06-13 2016-06-13 Gas injection valve and injection pipe structure and installation and arrangement method CN106050479A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610415932.1A CN106050479A (en) 2016-06-13 2016-06-13 Gas injection valve and injection pipe structure and installation and arrangement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610415932.1A CN106050479A (en) 2016-06-13 2016-06-13 Gas injection valve and injection pipe structure and installation and arrangement method

Publications (1)

Publication Number Publication Date
CN106050479A true CN106050479A (en) 2016-10-26

Family

ID=57171073

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610415932.1A CN106050479A (en) 2016-06-13 2016-06-13 Gas injection valve and injection pipe structure and installation and arrangement method

Country Status (1)

Country Link
CN (1) CN106050479A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108825410A (en) * 2018-05-25 2018-11-16 哈尔滨工程大学 A kind of shunt fuel gas ejecting device and its exhaust gas nozzle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5775289A (en) * 1995-05-12 1998-07-07 Yamaha Hatsudoki Kabushiki Kaisha Direct cylinder fuel injected engine
CN2356152Y (en) * 1999-02-08 1999-12-29 西安交通大学 Gas fuel manifold mixer for double fuel engine
CN202789201U (en) * 2012-09-04 2013-03-13 中国第一汽车股份有限公司 Gas injection guide pipe assembly of natural gas engine
CN203214196U (en) * 2013-01-29 2013-09-25 内蒙古欧意德发动机有限公司 EGR system intake manifold
CN104295418A (en) * 2014-09-22 2015-01-21 广西玉柴机器股份有限公司 Multi-point injection intake pipe of gas engine
CN205297771U (en) * 2015-12-25 2016-06-08 潍柴西港新能源动力有限公司 Gas jet pipe for engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5775289A (en) * 1995-05-12 1998-07-07 Yamaha Hatsudoki Kabushiki Kaisha Direct cylinder fuel injected engine
CN2356152Y (en) * 1999-02-08 1999-12-29 西安交通大学 Gas fuel manifold mixer for double fuel engine
CN202789201U (en) * 2012-09-04 2013-03-13 中国第一汽车股份有限公司 Gas injection guide pipe assembly of natural gas engine
CN203214196U (en) * 2013-01-29 2013-09-25 内蒙古欧意德发动机有限公司 EGR system intake manifold
CN104295418A (en) * 2014-09-22 2015-01-21 广西玉柴机器股份有限公司 Multi-point injection intake pipe of gas engine
CN205297771U (en) * 2015-12-25 2016-06-08 潍柴西港新能源动力有限公司 Gas jet pipe for engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108825410A (en) * 2018-05-25 2018-11-16 哈尔滨工程大学 A kind of shunt fuel gas ejecting device and its exhaust gas nozzle

Similar Documents

Publication Publication Date Title
EP0730708B1 (en) Pressure control valve
US4805564A (en) Engine intake manifold assembly
CN105683558B (en) Method for the filter of fluid injection valve, fluid injection valve and filter for manufacturing fluid injection valve
US9273650B2 (en) System for improving gas distribution in an intake manifold
DE102012000543A1 (en) Exhaust gas recycling system for a combustion engine
US10030518B2 (en) Exhaust gas turbocharger
JP2009526168A (en) Injection device
KR20050027160A (en) Fuel injection control apparatus for internal combustion engine and method thereof, and fuel injection valve
EP1508687B1 (en) Intake passage of an internal combustion engine
CA2647145C (en) Device for guiding an element into an orifice of a gas turbine combustion chamber wall
CN103917755B (en) Dosage module
CA1037266A (en) Internal combustion engine and turbosupercharger therefor with heat pipe for intake mixture heating
CN101142401B (en) Dual-injector fuel injection engine
KR920002514B1 (en) Electro magnetic fuel injection valve
ES2398879T3 (en) Internal combustion engine
EP1754881B1 (en) Recirculating valve
BR0100110A (en) Fuel injector
GB844599A (en) Improvements relating to baffle devices in the fuel tanks of internal combustion engines
DE19945769A1 (en) Fluid introduction for a hot fluid in a cavity structure
US8205604B2 (en) Crankcase vent nozzle for internal combustion engine
DE102009026482A1 (en) Inlet device of an internal combustion engine and internal combustion engine
US9500119B2 (en) Turbocharger
CN104066965B (en) Fuel injector with injection control valve assembly
US7171805B2 (en) Deflector style exhaust manifold
KR101776335B1 (en) Independent fuel injecting system of Compressed Natural Gas engine

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20161026

RJ01 Rejection of invention patent application after publication