Valve timing adjusting device

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

Reexamination Certificate

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Details

C123S090160, C123S090150, C123S090310, C092S132000, C267S073000, C267S074000

Reexamination Certificate

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07146946

ABSTRACT:
A valve timing adjusting device includes a first rotor that rotates synchronously with a crankshaft of an engine; a second rotor that is relatively rotatable by a predetermined angle within the first rotor, and is secured on the end face of an intake or an exhaust camshaft; and a tension spring that acts as an assisting spring for adjusting a relative position between both the rotors.

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patent: 11-325309 (1999-11-01), None
patent: 2002-276312 (2002-09-01), None
patent: 2002-295210 (2002-10-01), None

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