Toyota 2L Engine Intake Exhaust Valve Auto Part

Engine Valve structure The inlet and exhaust Engine Valve of the automobile engine are bacteria shaped valves, which are composed of two parts: the valve head and the valve rod. The top surface of the valve has the shape of flat top, concave top and convex top. At present, the most widely used is the flat-top valve, which has simple structure, convenient manufacture, small heating area, and both inlet and exhaust valves can be used. The Engine Valve is sealed with a cone between the valve seat or the valve seat ring. The Angle between the valve cone and the top surface of the valve is called the valve cone Angle. The intake and exhaust valve cone Angle is generally 45°, and only a few engines have an intake valve cone Angle of 30°. Part of the heat received by the valve head is transmitted to the cylinder head through the valve seat ring; The other part is passed to the cylinder head through the valve rod…

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