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A valve mechanism and engine

A valve train, valve stem technology, used in machine/engine, combustion engine, engine components, etc., to solve problems such as inability to promote fuel and air mixing

Active Publication Date: 2021-03-16
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a valve mechanism and an engine to solve the problem that the valve mechanism in the related art can only be used to control the connection or disconnection between the combustion chamber and the intake / exhaust passage, and cannot promote the mixing of fuel and air

Method used

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  • A valve mechanism and engine
  • A valve mechanism and engine
  • A valve mechanism and engine

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Embodiment Construction

[0038] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but 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 making creative efforts belong to the protection scope of the present invention.

[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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PUM

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Abstract

The invention relates to the technical field of engines, and particularly discloses a valve mechanism and an engine. The valve mechanism comprises a valve rod and a valve head. The valve rod is arranged on a cover body. An air duct is arranged on the cover body and can communicate with a combustion chamber through an air hole. The first end of the valve rod is connected with the valve head. The valve rod can reciprocate in the direction along the axis of the valve rod relative to the cover body so that the valve head can close or open the air hole. The valve mechanism further comprises a spoiler. The spoiler is arranged on the valve rod and located in the air duct. The spoiler can rotate around the axis when the valve rod reciprocates relative to the cover body so that air flow can be disturbed. Thus, through the spoiler, fuel and air can be more sufficiently mixed, the swirl rate can be increased, and heat efficiency is ensured. The engine comprises the valve mechanism.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a valve mechanism and an engine. Background technique [0002] The engine is a complete set of power output equipment. The existing engine includes a cylinder, and the cylinder includes a cylinder head and a gas cover body. The part of the gas cover body close to the cylinder head is the cylinder combustion chamber. Taking a gasoline engine as an example, the work of the engine mainly includes four strokes. During the ignition stroke, the piston in the cylinder moves toward the cylinder head to the top dead center of the piston, and squeezes the mixture of air and fuel into the combustion chamber of the cylinder, while the spark plug discharges Light the fuel. During the intake stroke, the communication and closure between the air passage and the combustion chamber are controlled by the valve mechanism. [0003] The valve mechanism in the related art, such as the previous paten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01L3/00F02B31/06
CPCF01L3/00F02B31/06Y02T10/12
Inventor 郑茂勇董卫涛刘俊龙孙放王俊莉
Owner WEICHAI POWER CO LTD