car engine intake manifold

A technology for automobile engines and intake manifolds, applied to engine components, machines/engines, mechanical equipment, etc., can solve problems affecting cylinder charging efficiency, engine vibration and noise, and poor gas flow, so as to improve charging efficiency and reduce Vibration and noise, effect of improving inflation efficiency

Inactive Publication Date: 2011-12-14
力帆科技(集团)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the traditional structure, there is an included angle of about 130° between the axis of the straight section of the plenum and the axis of the intake manifold. There will be sharp bends in the process, which will make the gas flow not smooth, which will affect the charging efficiency of the cylinder, resulting in poor engine performance
At the same time, the intake elbows are usually distributed in a comb shape, and the lengths of each intake elbow are different, but the inner diameters are equal (about 40mm), so that the air intake of each cylinder is uneven, which will cause engine vibration and noise.

Method used

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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0014] Such as figure 1 As shown, the present invention consists of a pressure stabilizing chamber 1, an intake elbow 2, a throttle valve mounting flange 3 and a cylinder head mounting flange 4, and each part is made of engineering plastics. The pressure stabilizing chamber 1 is a cylindrical structure with one end open and the other closed, consisting of a straight section 1a and an obliquely upturned intake manifold 1b, the intake manifold 1b is connected to the throttle valve mounting flange 3, and the stabilizing chamber There is an included angle of 145-155° between the axis of the straight section 1a and the axis of the intake manifold 1b, and in this embodiment, the included angle is preferably 150°. There are multiple intake elbows 2 connected side by side between the straight section 1a of the plenum chamber and the cylinder head mounting flange 4, ...

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Abstract

The utility model relates to an intake manifold of an automobile engine. The pressure-stabilizing chamber is composed of a straight section and an intake manifold that is inclined upwards. A plurality of intake elbows are connected between them, and the number of intake elbows is equal to the number of cylinders, and the axis of the straight section of the pressure-stabilizing chamber and the axis of the intake manifold have an included angle of 145-155°; The shape and length of each intake elbow are the same, and the length of each intake elbow is 390-410 mm, and the inner diameter is 34-37 mm. By changing the shape, length, inner diameter of the intake elbow, and the angle between the axis of the straight section of the pressure-stabilizing chamber and the axis of the intake manifold, the invention can greatly improve the charging efficiency of the cylinder, thereby improving the power performance of the engine. The maximum power of the engine can be increased by 17%, the maximum torque can be increased by 20%, and the vibration and noise of the engine can be greatly reduced.

Description

technical field [0001] The invention relates to an automobile component, in particular to an intake manifold on an automobile engine. Background technique [0002] The intake manifold of the automobile engine is installed between the engine cylinder head and the throttle valve, and its main function is to meet the individual intake of each cylinder. The intake manifold is generally composed of a pressure stabilizing chamber, an intake elbow, a throttle valve mounting flange and a cylinder head mounting flange. The stabilizing chamber is a cylindrical structure with one end open and the other closed. It consists of an upturned intake manifold, which is connected to the throttle valve mounting flange. A plurality of intake elbows are connected between the straight section of the plenum chamber and the mounting flange of the cylinder head, and the number of intake elbows is equal to the number of cylinders. In the traditional structure, there is an included angle of about 130...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M35/104
Inventor 王亮余海洋张渝
Owner 力帆科技(集团)股份有限公司
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