Valve timing control apparatus for internal combustion engine

Details Valve timing control apparatus for internal combustion engine Valve timing control apparatus for internal combustion engine

2009-03-05

2011-11-22

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090170, C123S090110, C251S129010, C464S160000

Reexamination Certificate

active

08061310

ABSTRACT:
A valve timing control apparatus for an internal combustion engine, including a drive rotary member that is rotated by the crankshaft, a driven rotary member that transmits rotational force input from the drive rotary member, to the camshaft, and an electromagnetic mechanism that acts to vary a relative rotational phase between the drive rotary member and the driven rotary member. After an ignition switch is turned off and the engine is stopped, the electromagnetic mechanism acts to produce detent torque and hold the relative rotational phase between the drive rotary member and the driven rotary member in a predetermined phase position by the detent torque.

REFERENCES:
patent: 7377242 (2008-05-01), Uehama et al.
patent: 2004-156508 (2004-06-01), None

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