Mechanically variable cam timing device

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Reexamination Certificate

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Details

C123S090150, C123S090310

Reexamination Certificate

active

07987828

ABSTRACT:
The mechanical variable cam timing device has a camshaft connector, a sprocket, a sprocket ring and a connector ring, all of which have teeth with slanted side walls that mate to form a circumferential ring. The sprocket ring and the connector ring move axially so as to shift the spacing between the teeth and provide for a phase shift.

REFERENCES:
patent: 5012774 (1991-05-01), Strauber et al.

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