FIELD: transport machine building.
SUBSTANCE: invention relates to systems and devices of internal combustion heat-engine with valve timing valves. Device includes a coolant supply line through the cylinder block head passing through the guide bushing into the valve cavity, wherein valve rod is divided into two halves consisting of upper part of valve stem and lower part of valve, connected by interference and fixed with cylindrical pin; sealing rings, between the valve and the guide bushing; a locking needle, a sealing gasket, a return needle spring controlled by a screw.
EFFECT: technical result, achievement of which is the claimed invention, is reduced heat load and increased service life of valve mechanism of gas distribution system, increasing engine efficiency and reducing toxicity of exhaust gases.
1 cl, 2 dwg
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