| 摘要 |
In a mechanical device (1) for changing the phase relationship between the engine shaft and a camshaft (3) of an internal combustion engine, in which the phase change is achieved by a change in the angular position of a body (9) kinematically connected to the engine shaft relative to that of a shaft (2) kinematically connected to the camshaft (3) by the movement of a piston (4) and of an auxiliary annular element (23) which are spaced apart axially and are interposed between the body (9) and the shaft (2) to which they are coupled by means of teeth (14, 15, 17, 18), stop means are provided for limiting the axial travel of the auxiliary annular element (23), advantageously stopping the piston (4) owing to engagement in the teeth of the shaft (2) and of the body (9). <IMAGE> |
