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Engine timing system

A timing system and engine technology, applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of large chain operation noise, high maintenance cost, and large overall quality, and achieve stable operation, compact installation structure, and improved The effect of transmission efficiency

Inactive Publication Date: 2021-07-20
DONGFENG LIUZHOU MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It requires gear meshing, and adopts chain transmission, the overall structure is complex, and the overall mass is large, the chain operation noise is large, continuous lubrication is required to maintain stable operation, and the maintenance cost is high

Method used

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  • Engine timing system
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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0025] In the description of this application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying Refe...

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Abstract

The invention relates to the technical field of engines, and particularly discloses an engine timing system. The engine timing system comprises an exhaust camshaft gear, an intake camshaft gear, a timing idle wheel, a crankshaft timing gear, a water pump belt wheel and a timing tensioning wheel, wherein the exhaust camshaft gear, the intake camshaft gear, the crankshaft timing gear and the water pump belt wheel are sequentially connected through a synchronous belt, the exhaust camshaft gear is fixed on an external exhaust camshaft, the air inlet camshaft is fixed on an external air inlet camshaft, the timing tensioning wheel abuts against the synchronous belt between the exhaust camshaft gear and the water pump belt wheel, and the timing idle wheel abuts against the synchronous belt between the crankshaft timing gear and the intake camshaft gear. The engine timing system is simple in structure, low in noise, small in mass, stable in operation and free of lubrication.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to an engine timing system. Background technique [0002] During the working process of an automobile engine, the four processes of air intake, compression, explosion, and exhaust continuously occur in the cylinder, and the timing of each step must match the movement state and position of the piston, so that the air intake, exhaust, and The piston lifts are coordinated with each other, and the timing transmission system acts as a bridge in the engine. Driven by the crankshaft, the power is transmitted to the camshaft, so that the intake and exhaust valves of the engine are opened or closed at an appropriate time to ensure the engine The cylinder can inhale and exhaust normally. [0003] In the prior art, double overhead camshaft engines are mostly equipped with double timing driven sprockets, one timing driven sprocket is installed on the intake camshaft and the exhaust camshaft re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01L1/348F02B67/06
CPCF01L1/348F02B67/06
Inventor 江申达何道明潘永亮姚克甫蓝翠汪谭善文
Owner DONGFENG LIUZHOU MOTOR
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