Mechanical device for changing the phase relationship between th

Machine element or mechanism – Elements – Cams

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123 9017, F16H 5300

Patent

active

057431558

ABSTRACT:
In a mechanical device for changing the phase relationship between the engine shaft and a camshaft of an internal combustion engine, in which the phase change is achieved by a change in the angular position of a body kinematically connected to the engine shaft relative to that of a shaft kinematically connected to the camshaft by the movement of a piston and of an auxiliary annular element which are spaced apart axially and are interposed between the body and the shaft to which they are coupled by intermeshing teeth, a stop is provided for limiting the axial travel of the auxiliary annular element, advantageously stopping the piston owing to engagement in the teeth of the shaft and of the body.

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patent: 5381764 (1995-01-01), Fukuma et al.
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