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 PDFInfo
- 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
- engine body
- 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.)
- Pending
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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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel-Injection Apparatus (AREA)
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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201610415932.1A CN106050479A (en) | 2016-06-13 | 2016-06-13 | Gas injection valve and injection pipe structure and installation and arrangement method |
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CN106050479A true CN106050479A (en) | 2016-10-26 |
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CN201610415932.1A Pending CN106050479A (en) | 2016-06-13 | 2016-06-13 | Gas injection valve and injection pipe structure and installation and arrangement method |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107061061A (en) * | 2017-06-28 | 2017-08-18 | 哈尔滨工程大学 | A kind of integrated form of mixed admission intersects annular groove gaseous fuel jet mixing device |
CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
CN107676198A (en) * | 2017-11-17 | 2018-02-09 | 安庆中船柴油机有限公司 | A kind of fuel gas injection valve mounting structure of engine |
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 |
CN109268164A (en) * | 2018-07-24 | 2019-01-25 | 哈尔滨工程大学 | A kind of natural gas engine burning tissues method and device |
CN110318911A (en) * | 2019-06-26 | 2019-10-11 | 哈尔滨工程大学 | A kind of natural gas engine gas injection apparatus with fountain nozzle arrangements |
CN113638824A (en) * | 2021-08-27 | 2021-11-12 | 河南柴油机重工有限责任公司 | Gas inlet method and device for gas fuel internal combustion engine |
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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 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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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 (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107061061A (en) * | 2017-06-28 | 2017-08-18 | 哈尔滨工程大学 | A kind of integrated form of mixed admission intersects annular groove gaseous fuel jet mixing device |
CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
CN107131074B (en) * | 2017-06-28 | 2023-08-01 | 哈尔滨工程大学 | Integrated annular manifold wall surface gas fuel injection mixing device with piezoelectric actuator |
CN107676198A (en) * | 2017-11-17 | 2018-02-09 | 安庆中船柴油机有限公司 | A kind of fuel gas injection valve mounting structure of engine |
CN107676198B (en) * | 2017-11-17 | 2023-09-01 | 安庆中船柴油机有限公司 | Mounting structure of fuel gas injection valve of engine |
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 |
CN109268164A (en) * | 2018-07-24 | 2019-01-25 | 哈尔滨工程大学 | A kind of natural gas engine burning tissues method and device |
CN110318911A (en) * | 2019-06-26 | 2019-10-11 | 哈尔滨工程大学 | A kind of natural gas engine gas injection apparatus with fountain nozzle arrangements |
CN113638824A (en) * | 2021-08-27 | 2021-11-12 | 河南柴油机重工有限责任公司 | Gas inlet method and device for gas fuel internal combustion engine |
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