CN208184864U - A kind of natural gas engine gas handling system - Google Patents
A kind of natural gas engine gas handling system Download PDFInfo
- Publication number
- CN208184864U CN208184864U CN201820640927.5U CN201820640927U CN208184864U CN 208184864 U CN208184864 U CN 208184864U CN 201820640927 U CN201820640927 U CN 201820640927U CN 208184864 U CN208184864 U CN 208184864U
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- Prior art keywords
- elbow
- handling system
- natural gas
- inlet manifold
- air
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- 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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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses a kind of natural gas engine gas handling systems, including air intake duct, electronic throttle is installed through air intake duct, the outlet side of air intake duct is to being connected to fuel gas mixer, the outlet side of fuel gas mixer is connected to inlet manifold by intake elbow, and inlet manifold connect with inlet manifold；Electronic throttle is used to control the air intake of air intake duct merely, air and natural gas in fuel gas mixer after mixing, directly it is delivered in inlet manifold by intake elbow and inlet manifold, air and combustion gas are in the transmission process in intake elbow, due to the design feature of intake elbow itself, mix the two can further in intake elbow, improve the work consistency of each cylinder of engine, conducive to engine stabilizer work, reduce the damaged phenomenon that each cylinder working unevenly causes engine, in addition the air intake system structure characteristics of compact layout, occupied space is smaller, vehicle is facilitated to install, the problem of interfering there is no vehicle matching.
Description
Technical field
The utility model relates to natural gas engine technical field more particularly to a kind of natural gas engine gas handling systems.
Background technique
Currently, the air intake system structure for the natural gas engine applied on domestic market is premixed gas handling system, i.e.,
Natural gas mixed with air by mixer after enter air inlet pipe, then again by air throttle, inlet manifold distribute to each cylinder into
Row work, it is as follows that the gas handling system of above structure is primarily present problem:
(1) make each cylinder consistency of natural gas engine bad, since the mixed gas for entering each cylinder is uneven, will lead to
Each cylinder working consistency is poor.
(2) the gas handling system difficult arrangement of above structure, especially low-power natural gas engine, vehicle reserved space compared with
It is small, during vehicle is matched, generally existing the problem of interfering with vehicle.
To avoid drawbacks described above, it is necessary to be improved to the gas handling system of natural gas engine.
Utility model content
The technical problem to be solved by the utility model is to provide one kind can be improved each cylinder consistency of engine and structure
It is compact, convenient for the natural gas engine gas handling system with vehicle installation cooperation.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of natural gas engine gas handling system, even
It connects in the inlet manifold of engine, including air intake duct, electronic throttle is installed through the air intake duct, it is described
The outlet side of air intake duct to being connected to fuel gas mixer, the outlet side of the fuel gas mixer by intake elbow be connected into
Gas general pipeline, the inlet manifold connect with the inlet manifold.
The air intake duct includes inlet body as a preferred technical solution, is connected on the side wall of the inlet body
The logical electronic device mounting base for being used to install detection device equipped at least one, the air inlet port of the inlet body go out to be equipped with convex
Connection anticreep bulge loop out.
The electronic device mounting base is set as two, and the two electronic device installations as a preferred technical solution,
Seat is oppositely arranged on the outer wall of the inlet body.
The fuel gas mixer includes blender body as a preferred technical solution, is set through the blender body
There is the combustion gas connecting hole for connecting gas supply pipe, the hole wall of the combustion gas connecting hole is equipped with connects screw thread fastly.
The intake elbow includes elbow body as a preferred technical solution, and the elbow body both ends are fixed respectively
It is connected with the connecting flange being easily installed.
The elbow body is set as arc pipe structure as a preferred technical solution, and the elbow body both ends of the surface
Angle is 60~155 °.
The inlet manifold includes install housing as a preferred technical solution, is disposed with manifold in the install housing
Channel is docked, the periphery of the install housing is evenly equipped with the mounting ear of protrusion, is equipped with mounting hole through the mounting ear.
As improvement to above-mentioned technical proposal, the install housing top is disposed with the installation supporting leg of protrusion, the peace
It fills supporting leg and is equipped with leg connector ports.
By adopting the above-described technical solution, a kind of natural gas engine gas handling system, is connected to the air inlet discrimination of engine
Guan Shang, including air intake duct are equipped with electronic throttle, the outlet side of the air intake duct through the air intake duct
To fuel gas mixer is connected to, the outlet side of the fuel gas mixer is connected to inlet manifold by intake elbow, and the air inlet is total
Pipe is connect with the inlet manifold；The beneficial effects of the utility model are: electronic throttle is used to control air intake duct merely
Air intake, air and natural gas after mixing, directly pass through intake elbow and inlet manifold in fuel gas mixer
Be delivered in inlet manifold, for engine combustion use, air and combustion gas be in the transmission process in intake elbow, due into
The design feature of gas bend pipe itself mix the two can further in intake elbow, improve the work of each cylinder of engine
Consistency is conducive to engine stabilizer and works, reduces the damaged phenomenon that each cylinder working unevenly causes engine, in addition the air inlet system
The problem of system structure characteristics of compact layout, occupied space is smaller, and vehicle is facilitated to install, and there is no vehicle matching interference.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the utility model embodiment other direction；
Fig. 3 is the side view of the utility model embodiment；
Fig. 4 is the structural representation of the utility model embodiment intake elbow；
In figure: 1- air intake duct；11- inlet body；12- electronic device mounting base；13- connection anticreep bulge loop；2- electricity
Sub- air throttle；3- fuel gas mixer；31- blender body；32- combustion gas connecting hole；4- intake elbow；41- elbow body；42-
Connecting flange；5- inlet manifold；51- install housing；52- mounting ear；53- mounting hole；54- installs supporting leg；The connection of 55- supporting leg
Hole；6- inlet manifold.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
As shown in Figure 1, Figure 2 and Figure 3, a kind of natural gas engine gas handling system is connected to the inlet manifold 6 of engine
On, for conveying the mixed gas of air and combustion gas into engine by the inlet manifold 6, for engine combustion work
It uses.The present embodiment specifically includes air intake duct 1, is equipped with electronic throttle 2, the sky through the air intake duct 1
The outlet side of gas air inlet pipe 1 is to being connected to fuel gas mixer 3, it can be seen that the embodiment of the present invention electronic throttle 2 is specially to use
Air inlet is controlled, controls air and combustion gas mixing ratio more acurrate.
The air intake duct 1 includes inlet body 11, and connection is equipped at least one on the side wall of the inlet body 11
For installing the electronic device mounting base 12 of detection device, the air inlet port of the inlet body goes out to be equipped with the connection anticreep of protrusion
Bulge loop 13, the connection anticreep bulge loop 13 can be improved the fastness of the inlet body 11 and air manifold road, anticreep effect
Fruit is good, uses safety and stability.The electronic device mounting base 12 can be used to install the parameters such as pressure sensor, flow sensor
Detection part, electronic device mounting base described in the present embodiment 12 is set as two, and the two electronic device mounting bases 12 exist
It is oppositely arranged on the outer wall of the inlet body 11.The fuel gas mixer 3 includes blender body 31, runs through the mixer
Ontology 31 is equipped with the combustion gas connecting hole 32 for connecting gas supply pipe, and the hole wall of the combustion gas connecting hole 32 is equipped with connects spiral shell fastly
Line, by the air supply pipe of natural gas be directly threadedly attached to it is described connect on screw thread fastly, dismounting is simple.Pass through the mixer sheet
The mixing of body 31 realization air and combustion gas.
The outlet side of the fuel gas mixer 3 is connected to inlet manifold 5, the inlet manifold 5 and institute by intake elbow 4
State the connection of inlet manifold 6.As shown in figure 4, the intake elbow 4 includes elbow body 41,41 both ends of the elbow body difference
It is fixedly connected with the connecting flange 42 being easily installed, described 41 one end of elbow body is mixed by the connecting flange 42 with described
The outlet side of device ontology 31 seals docking, and the other end is sealed by the connecting flange 42 and the inlet end of the inlet manifold 5
The conveying of air and combustion gas mixing gas is realized in docking.
Elbow body 41 described in the present embodiment is set as arc pipe structure, and the angle α of 41 both ends of the surface of the elbow body
It is 60~155 °, for the ease of installation, by test when the angle α of 41 both ends of the surface of elbow body is 90 °, mounting arrangements
It is the most convenient, certainly according to the inner space inside different model car, it can choose the bend pipe sheet using other angles
Body 41.
Inlet manifold 5 described in the present embodiment includes install housing 51, and manifold docking is disposed in the install housing 51
The periphery in channel, the install housing 51 is evenly equipped with the mounting ear 52 of protrusion, is equipped with mounting hole 53 through the mounting ear 52, leads to
It crosses the mounting ear 52 and cooperates with bolt is connect, the inlet manifold 5 may be implemented and the connection of inlet manifold 6 is installed.
It can be disposed with the installation supporting leg 54 of protrusion on 51 top of install housing, the installation supporting leg 54 is equipped with branch
Leg connecting hole 55, for installing other components of support car or the accessory of engine, to improve objective interior space benefit
With rate, the installation space of car is saved.
The electronic throttle 2 of the utility model is used to control the air intake of air intake duct 1 merely, air and natural
Gas after mixing, is directly delivered in inlet manifold 6 by intake elbow 4 and inlet manifold 5 in fuel gas mixer 3, with
It is used for engine combustion, air and combustion gas are in the transmission process in intake elbow 4, due to the structure of intake elbow 4 itself
Feature mix the two can further in intake elbow 4, the work consistency of each cylinder of engine be improved, conducive to starting
Machine steady operation reduces the damaged phenomenon that each cylinder working unevenly causes engine, in addition the air intake system structure characteristics of compact layout,
The problem of occupied space is smaller, and vehicle is facilitated to install, and there is no vehicle matching interference.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of natural gas engine gas handling system, is connected in the inlet manifold of engine, it is characterised in that: including air into
Tracheae is equipped with electronic throttle through the air intake duct, and the outlet side of the air intake duct is to being connected to combustion gas mixing
The outlet side of device, the fuel gas mixer is connected to inlet manifold, the inlet manifold and the air inlet discrimination by intake elbow
Pipe connection.
2. a kind of natural gas engine gas handling system as described in claim 1, it is characterised in that: the air intake duct includes
Inlet body, electronic device that connection is equipped with that at least one is used to install detection device on the side wall of the inlet body are installed
The air inlet port of seat, the inlet body goes out to be equipped with the connection anticreep bulge loop of protrusion.
3. a kind of natural gas engine gas handling system as claimed in claim 2, it is characterised in that: the electronic device mounting base
Two are set as, and the two electronic device mounting bases are oppositely arranged on the outer wall of the inlet body.
4. a kind of natural gas engine gas handling system as described in claim 1, it is characterised in that: the fuel gas mixer includes
Blender body is equipped with the combustion gas connecting hole for connecting gas supply pipe, the combustion gas connection through the blender body
The hole wall in hole is equipped with and connects screw thread fastly.
5. a kind of natural gas engine gas handling system as described in Claims 1-4 any claim, it is characterised in that: institute
Stating intake elbow includes elbow body, and the elbow body both ends are respectively fixedly connected with the connecting flange being easily installed.
6. a kind of natural gas engine gas handling system as claimed in claim 5, it is characterised in that: the elbow body is set as
Arc pipe structure, and the angle of the elbow body both ends of the surface is 60~155 °.
7. a kind of natural gas engine gas handling system as claimed in claim 6, it is characterised in that: the inlet manifold includes peace
Housing is filled, manifold docking channel is disposed in the install housing, the periphery of the install housing is evenly equipped with the mounting ear of protrusion,
Mounting hole is equipped with through the mounting ear.
8. a kind of natural gas engine gas handling system as claimed in claim 7, it is characterised in that: install housing top cloth
It is equipped with the installation supporting leg of protrusion, the installation supporting leg is equipped with leg connector ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640927.5U CN208184864U (en) | 2018-05-02 | 2018-05-02 | A kind of natural gas engine gas handling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640927.5U CN208184864U (en) | 2018-05-02 | 2018-05-02 | A kind of natural gas engine gas handling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184864U true CN208184864U (en) | 2018-12-04 |
Family
ID=64432039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820640927.5U Active CN208184864U (en) | 2018-05-02 | 2018-05-02 | A kind of natural gas engine gas handling system |
Country Status (1)
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| CN (1) | CN208184864U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552823A (en) * | 2019-09-18 | 2019-12-10 | 广西玉柴机器股份有限公司 | Air inlet connecting pipe assembly and natural gas engine thereof |
| CN111305977A (en) * | 2020-02-18 | 2020-06-19 | 哈尔滨工程大学 | Hydrogen natural gas full-proportion variable dual-fuel engine |
| CN113027644A (en) * | 2019-12-25 | 2021-06-25 | 中国石油天然气股份有限公司 | Natural gas engine |
-
2018
- 2018-05-02 CN CN201820640927.5U patent/CN208184864U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552823A (en) * | 2019-09-18 | 2019-12-10 | 广西玉柴机器股份有限公司 | Air inlet connecting pipe assembly and natural gas engine thereof |
| CN113027644A (en) * | 2019-12-25 | 2021-06-25 | 中国石油天然气股份有限公司 | Natural gas engine |
| CN111305977A (en) * | 2020-02-18 | 2020-06-19 | 哈尔滨工程大学 | Hydrogen natural gas full-proportion variable dual-fuel engine |
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