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Gasoline engine intake

A technology of air inlet and gasoline engine, which is applied in the field of gasoline engine, can solve the problems of reducing the flow coefficient and achieve the effects of increasing the flow coefficient, increasing the tumble ratio, and increasing the speed

Active Publication Date: 2021-09-28
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide an engine intake port, which aims to solve the problem in the prior art that when the high tumble flow ratio of the engine intake port is increased, the flow coefficient will be greatly reduced

Method used

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, in the presen...

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Abstract

The invention discloses an intake port of a gasoline engine. The intake port of a gasoline engine includes a main air channel, one end of the main air channel is provided with an air inlet, and the other end of the main air channel is bifurcated and extended with two sub-air channels. There is an air outlet at the end of the air distribution channel; the inner wall of the air distribution channel near the air outlet has at least one first fitting portion that bulges outwards, so as to sharply increase the first bonding portion in the air distribution channel The area of ​​the section; and then increase the flow coefficient of the gasoline engine inlet; the inner wall of the air distribution channel has a wind guide surface and a curved surface on the opposite side of the wind guide surface, and the air flow enters the cylinder along the wind guide surface and The cylinder rotates, and the curved surface is bent toward the direction of the air guide surface, thereby greatly reducing the airflow entering the cylinder along the curved surface, avoiding the interference of the airflow entering the cylinder along the air guide surface Rotate, and finally increase the tumble ratio of the intake port of the gasoline engine.

Description

technical field [0001] The invention relates to the technical field of gasoline engines, in particular to an intake port of a gasoline engine. Background technique [0002] The structure of the intake port of the engine cylinder head has a great influence on the performance. There are two important parameters to evaluate the quality of the intake port of the gasoline engine, namely the flow coefficient and the tumble ratio. In order to obtain a larger intake air volume, a larger flow coefficient is required, and a larger tumble flow ratio is required for faster and more complete combustion in the cylinder. When designing the inlet port of many models, they hope to have a large flow coefficient while having a large tumble ratio, but these two aspects are mutually restrictive. A high flow coefficient requires the air passage to be as straight as possible, while a high tumble flow requires The gas rotates as much as possible, so increasing the tumble ratio will inevitably redu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M35/104F02M35/10F02B31/04
CPCF02B31/04F02M35/10262F02M35/104Y02T10/12
Inventor 穆芳影郑久林李欢
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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