| 摘要 |
An endothermic engine comprising: a plurality of combustion chambers each provided with at least one valve and a lever ( 11 ) adapted to cause the opening of said valve; a camshaft ( 1 ) with a plurality of cams adapted to control said levers; a cylinder head having a supporting axle ( 2 ) on which a plurality of bushings ( 16, 16 ') are rotationally and eccentrically mounted, each of which rotationally supports one of said levers; an actuator ( 8 ) adapted to cause the rotation of said bushings by a predetermined angle; characterised in that said bushings are made reciprocally integral in rotation around said supporting axle by means of a plate ( 12 ), preferably formed by a series of overlapping sheets ( 14 ), connected rigidly to them at least in the direction of rotation.
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