Cam timing control device for automotive engine

Details Cam timing control device for automotive engine Cam timing control device for automotive engine

1992-03-06

1993-01-26

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9015, F01L 134

Patent

active

051814846

ABSTRACT:
A cam timing control device in an antomotive engine which used in a valve timing correcting device of a type wherein an electromagnetic force is used to change a cam timing. The cam timing control device is so designed that, in the event that a resistance to the change of the cam timing is high, the length of time during which an electric power is continuously supplied to the electromagnetic coil is prolonged.

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