Air inlet system with air inlet manifold adjustable in length and control method of air inlet system
A technology of intake manifold and intake system, applied in the field of vehicle power system, can solve the problem of not being able to optimize the intake efficiency of the intake system, and achieve the improvement of in-cylinder combustion, high intake efficiency, and even oil and gas mixing. Effect
Pending Publication Date: 2021-09-28
JIANGSU UNIV
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Problems solved by technology
The fixed-length intake manifold currently used by most teams can only provide the best intake efficiency for a fixed speed, but cannot maintain the best intake efficiency of the intake system in a wider speed range
Method used
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[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0034] Such as figure 1 with 2 As shown, an air intake system with adjustable intake manifold length includes a plenum cavity 1 and an intake manifold 2, the plenum cavity 1 communicates with the intake manifold 2; the plenum cavity 1 communicates with the intake manifold 2; The plenum cavity 1 includes an upper plenum cavity 11 and a lower plenum cavity 12, and the lower plenum cavity 12 communicates with the intake manifold 2; the plenum cavity 1 and the intake manifold An intake manifold length adjustment assembly 3 is arranged inside the pipe 2 . The plenum cavity 1 adopts a half-split structure, the upper plenum cavity 11 and the lower plenum cavity 12 are connected by bolts, and the joint is sealed with a special rubber gasket. The upper plenum cavity 11 is mainl...
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The invention discloses an air inlet system with an air inlet manifold adjustable in length and a control method of the air inlet system. The air inlet system with the air inlet manifold adjustable in length comprises a pressure stabilizing cavity body and the air inlet manifold, wherein the pressure stabilizing cavity body communicates with the air inlet manifold; the pressure stabilizing cavity body comprises an upper pressure stabilizing cavity body and a lower pressure stabilizing cavity body, and the lower pressure stabilizing cavity body communicates with the air inlet manifold; an air inlet manifold length adjusting assembly is arranged in the pressure stabilizing cavity body and the air inlet manifold. The air inlet system with the air inlet manifold adjustable in length has the beneficial effects that the air inlet manifold length adjusting assembly is arranged in the pressure stabilizing cavity body and the air inlet manifold, and the stability and safety of the air inlet manifold length adjusting assembly can be maintained under the high-requirement working condition of an engine; the length of the manifold can be smoothly and dynamically adjusted under different working conditions of the engine, and the air inlet requirements of the engine at different rotating speeds are met; high air inlet efficiency can be kept within a wider engine rotating speed range and under more working conditions, the air inflation efficiency can be effectively improved, turbulent kinetic energy of air entering an air cylinder can be enhanced, oil and gas are promoted to be mixed more evenly, and the combustion condition in the cylinder is improved.
Description
technical field [0001] The invention relates to an air intake system of a vehicle, in particular to an air intake system with an adjustable intake manifold length and a control method thereof, belonging to the technical field of vehicle power systems. Background technique [0002] Intake Manifold For carburetor or throttle body gasoline injected engines, the intake manifold refers to the intake line after the carburetor or throttle body and before the intake port of the cylinder head. Its function is to distribute the air and fuel mixture from the carburetor or throttle body to the intake ports of each cylinder. [0003] The length of the intake manifold is usually matched with the medium speed of the engine. Its functional disadvantage is that it cannot meet the requirements of different intake volumes of the engine under different working conditions, especially in the case of frequent high-low speed switching in racing competitions, which hinders the The superiority of th...
Claims
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IPC IPC(8): F02B27/02F02D9/02F02M35/10F02M35/104
CPCF02B27/0236F02D9/02F02M35/10052F02M35/1042Y02T10/12
Inventor 周童钟汶君陈世纪颜飞斌
Owner JIANGSU UNIV