Valve-rotating device

Details Valve-rotating device Valve-rotating device

F - Mech Eng,Light,Heat,Weapons

01

L

123/188

F01L 1/32 (2006.01)

Patent

CA 1184453

ABSTRACT A valve-rotating device for an internal combustion engine is described. The device has two rotating parts one of which is connected to the upper spring- plate of the valve and the other connected through the lower spring-plate and a unidirectional clutch to the cylinder head. The unidirectional clutch locks the other spring-plate against rotation as the valve spring and upper spring-plate move down. Interengaging members on the two rotating parts, therefore cause rotation of the one rotating part. This rotation is transmitted via the upper spring-plate and valve-stem to the valve head. Various interengaging members are disclosed. For example pins in one of the rotating parts engages sloping grooves in the other. Alternatively, balls running in sockets and cooperating with oblique grooves may be used. Wear is slight and the device can be operated at high speed.

383478

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