FIELD: engine engineering. SUBSTANCE: valve gear comprises shaft with cams and drives of valves having plungers. There are arresters of oil spreading for each cam-drive pair. The arresters are constructed as chute which is open from the side facing the working surface of the cam and positioned in the plane of its rotation. The inner surface of the chute skirts the working surface of the cam and is made in the plane of cam rotation as an open arc with constant or alternative radius of curvature. The line tangential to the inner side of the chute in the plane of cam rotation and line of movable contact of working surfaces of the cam and valve drive have, at least, one common point on the inner side of the chute. EFFECT: improved design. 7 cl, 3 dwg
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