Rotary valve gear device for an internal combustion engine

摘要

The subject of the present invention is a valve gear device for an internal combustion engine comprising a slide vlve (4) which has a symmetry of revolution about an axis and which is mounted so as to rotate in a cavity (2) in the casing (1) of the engine, and means (12) for driving this slide valve. According to the invention, the slide valve (4) is mounted so that it floats inside the cavity (2) in the casing as well as on its drive means (12). <IMAGE>