CN215333185U - Gas inlet pipe of gas engine - Google Patents
Gas inlet pipe of gas engine Download PDFInfo
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- CN215333185U CN215333185U CN202121043363.5U CN202121043363U CN215333185U CN 215333185 U CN215333185 U CN 215333185U CN 202121043363 U CN202121043363 U CN 202121043363U CN 215333185 U CN215333185 U CN 215333185U
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- air inlet
- gas
- long
- channel
- inlet channel
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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
Abstract
The utility model relates to the technical field of engines, and discloses a gas inlet pipe of a gas engine, which comprises an air inlet channel, an air inlet main port and a plurality of long gas mixture channels which are integrally formed, wherein the air inlet main port and the long gas mixture channels are communicated with the air inlet channel; the outer wall of the air inlet channel is provided with a negative pressure feedback regulator mounting interface and an air inlet pressure sensor mounting interface. The long mixed gas channels with the same shape are arranged, so that the mixed gas in each cylinder can stably flow, and the fluctuation of air flow is reduced; the installation interface of the negative pressure feedback regulator and the installation interface of the air inlet pressure sensor are arranged, so that the internal working condition of the air inlet pipe can be monitored in real time, and the power, the torque and the like of the engine can be adjusted in real time; and the air inlet structure is formed by high-pressure casting, so that the surface quality is high, the defects of castings are avoided, the air inlet resistance is reduced, and the air inlet efficiency is improved.
Description
The technical field is as follows:
the utility model relates to the technical field of engines, in particular to an air inlet pipe of a gas engine.
Background art:
liquefied natural gas is a clean and efficient energy source and has the advantages of large heat value, high performance and the like. The existing gas inlet pipe for the gas engine generally adopts the traditional diesel engine gas inlet pipe structure, and because of reflection and superposition of pressure waves in the gas inlet pipe, the gas quantity entering each cylinder is uneven, the gas inlet resistance is large, and the gas inlet efficiency is low. In order to promote the application of the engine in the new energy of the liquefied natural gas, an air inlet pipe structure of the liquefied natural gas mixed gas is developed to mix air and the natural gas, and each cylinder is conveyed to burn through a timing distribution phase system, so that the exhaust emission is reduced, and the atmospheric environment is improved.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provide the air inlet pipe of the gas engine, which is beneficial to the stable flow of mixed gas in each cylinder and reduces the fluctuation of air flow by arranging a plurality of long mixed gas channels with the same shape; the installation interface of the negative pressure feedback regulator and the installation interface of the air inlet pressure sensor are arranged, so that the internal working condition of the air inlet pipe can be monitored in real time, and the power, the torque and the like of the engine can be adjusted in real time; and the air inlet structure is formed by high-pressure casting, so that the surface quality is high, the defects of castings are avoided, the air inlet resistance is reduced, and the air inlet efficiency is improved.
The scheme for solving the technical problems is as follows:
a gas inlet pipe of a gas engine comprises an air inlet channel, an air inlet main port and a plurality of long gas mixture channels which are integrally formed, wherein the air inlet main port and the long gas mixture channels are communicated with the air inlet channel;
the outer wall of the air inlet channel is provided with two bosses which are arranged left and right, one of the bosses is provided with a negative pressure feedback regulator mounting interface, and the other boss is provided with an air inlet pressure sensor mounting interface.
A cylinder cover connecting end cover is formed at one end of the long mixed gas channel, which is far away from the air inlet channel;
and a throttle valve connecting end cover is formed at one end of the air inlet main port, which is far away from the air inlet channel.
The air inlet channel is a cylinder with two sealed ends and a hollow interior.
A plurality of long gas mixture channels are linearly and evenly distributed on the gas inlet channel.
The air inlet channel, the air inlet main port and the plurality of long mixed gas channels are formed by high-pressure casting; the inner wall of the long mixed gas channel is smoothly arranged.
The utility model has the following outstanding effects:
compared with the prior art, the air conditioner has the advantages that the air conditioner is beneficial to stable flow of mixed air of each cylinder and reduction of air flow fluctuation by arranging a plurality of long mixed air channels with the same shape; the installation interface of the negative pressure feedback regulator and the installation interface of the air inlet pressure sensor are arranged, so that the internal working condition of the air inlet pipe can be monitored in real time, and the power, the torque and the like of the engine can be adjusted in real time; and the air inlet structure is formed by high-pressure casting, so that the surface quality is high, the defects of castings are avoided, the air inlet resistance is reduced, and the air inlet efficiency is improved.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
FIG. 4 is a cross-sectional view of FIG. 2 taken about B-B;
FIG. 5 is a top view of the present invention;
fig. 6 is a cross-sectional view of fig. 5 taken about C-C.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 6, an air inlet pipe of a gas engine comprises an air inlet passage 1, an air inlet main port 2 and a plurality of long gas mixture passages 3 which are integrally formed, wherein the air inlet main port 2 and the plurality of long gas mixture passages 3 are communicated with the air inlet passage 1, and a gas nozzle threaded interface 4 communicated with one end, far away from the air inlet passage 1, of each long gas mixture passage 3 is formed;
two bosses 31 arranged left and right are formed on the outer wall of the air inlet channel 1, a negative pressure feedback regulator mounting interface 32 is formed on one boss 31, and an air inlet pressure sensor mounting interface 33 is formed on the other boss 31.
Furthermore, a cylinder head connecting end cover 5 is formed at one end of the long gas mixture channel 3, which is far away from the gas inlet channel 1;
and a throttle connecting end cover 21 is formed at one end of the air inlet main port 2 far away from the air inlet channel 1.
Furthermore, the air inlet channel 1 is a cylinder with two sealed ends and a hollow interior.
Further, a plurality of long mixture passages 3 are linearly and evenly distributed on the intake passage 1.
Furthermore, the air inlet channel 1, the air inlet main port 2 and the plurality of long mixed gas channels 3 are formed by high-pressure casting; the inner wall of the long gas mixture channel 3 is smoothly arranged.
The working principle is as follows: the gas nozzle threaded interface 4 is connected with a gas nozzle, air enters from the air inlet main port 2 and then is distributed in the plurality of long mixed gas channels 3 through the air inlet channel 1, the gas nozzle sprays natural gas at a certain moment before a certain cylinder inhales air, the natural gas and the air are uniformly mixed, then the mixed gas is inhaled into the cylinder by the cylinder, and then ignition and work are performed in the cylinder;
the negative pressure feedback regulator mounting interface 32 is connected with the negative pressure feedback regulator, and the air inlet pressure sensor mounting interface 33 is connected with the air inlet pressure sensor, so that the power, the speed and the torque can be adjusted in real time according to the working condition of the engine;
the air inlet pipe is formed by high-pressure casting, has high surface quality, does not have casting defects, reduces air inlet resistance and improves air inlet efficiency;
the intake pipe of liquefied natural gas mixture uses liquefied natural gas, has higher economic benefits, and the use cost is half of the price of diesel oil or gas oil generally.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (5)
1. The utility model provides a gas engine intake pipe, includes integrated into one piece's inlet channel (1), air inlet main (2) and a plurality of long gas mixture passageway (3), its characterized in that: the air inlet main port (2) and the long air mixing channels (3) are communicated with the air inlet channel (1), and a gas nozzle threaded interface (4) communicated with the long air mixing channel (3) is formed at one end of the long air mixing channel (3) far away from the air inlet channel (1);
the outer wall of the air inlet channel (1) is provided with two bosses (31) which are arranged left and right, one boss (31) is provided with a negative pressure feedback regulator mounting interface (32), and the other boss (31) is provided with an air inlet pressure sensor mounting interface (33).
2. A gas engine intake manifold as claimed in claim 1, wherein: a cylinder cover connecting end cover (5) is formed at one end of the long gas mixture channel (3) far away from the gas inlet channel (1);
and a throttle valve connecting end cover (21) is formed at one end of the air inlet main port (2) far away from the air inlet channel (1).
3. A gas engine intake manifold as claimed in claim 1, wherein: the air inlet channel (1) is a cylinder with two sealed ends and a hollow interior.
4. A gas engine intake manifold as claimed in claim 1, wherein: a plurality of long gas mixture channels (3) are linearly and evenly distributed on the gas inlet channel (1).
5. A gas engine intake manifold as claimed in claim 1, wherein: the air inlet channel (1), the air inlet main port (2) and the plurality of long mixed gas channels (3) are formed by high-pressure casting;
the inner wall of the long mixed gas channel (3) is smoothly arranged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121043363.5U CN215333185U (en) | 2021-05-17 | 2021-05-17 | Gas inlet pipe of gas engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121043363.5U CN215333185U (en) | 2021-05-17 | 2021-05-17 | Gas inlet pipe of gas engine |
Publications (1)
Publication Number | Publication Date |
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CN215333185U true CN215333185U (en) | 2021-12-28 |
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ID=79546352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121043363.5U Active CN215333185U (en) | 2021-05-17 | 2021-05-17 | Gas inlet pipe of gas engine |
Country Status (1)
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CN (1) | CN215333185U (en) |
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2021
- 2021-05-17 CN CN202121043363.5U patent/CN215333185U/en active Active
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