| 摘要 |
<p>A valve rotating device for incrementally rotating a valve, particularly a valve in an internal combustion engine, the device including a housing arranged to seat a valve spring thereon, a retainer cap received within the housing, a spring washer having its inner periphery bottomed on the retainer cap and shiftable means acting between the spring washer and the retainer cap to incrementally rotate the retainer cap during axial movement of a valve stem within the housing, the spring member and the housing each having complementarily shaped straight sided portions preventing relative rotation between the two. The device of the present invention may also include a raceway located between the spring washer and the shiftable elements.</p> |
