Gas distribution system of engine, and engine
A technology of engine and active gear, which is applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of increased engine operating noise, changes in the matching relationship of components, and affecting the service life of components, etc., achieving a simple and compact structure, avoiding The effect of loose installation
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[0023] As shown in the figure: in the engine valve system of this embodiment, the timing driving teeth of the valve system include a timing driving gear body 7 and a sleeve 8 (which is formed by an axial extension of the timing driving gear body 7). The side surface of the timing driving gear is integrally formed to extend a sleeve, which can be understood as a shoulder structure), and the timing driving gear body 7 forms a transmission through the sleeve 8 that is sheathed on the crankshaft 6, and the timing driving gear body clearance is sheathed Crankshaft 6; In the existing design, the timing gear is directly driven (interference) on the crankshaft. Due to the interference force and thermal deformation, the tooth profile of the timing driving gear will be deformed, which will produce The unfavorable consequences such as noise caused by poor operation, etc., may even affect the normal operation of the gas distribution, and thus cannot adapt to a series of improvements such as...
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