Valve timing control for marine engine

Details Valve timing control for marine engine Valve timing control for marine engine

2005-02-22

2005-02-22

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090170, C123S090310, C440S084000

Reexamination Certificate

active

06857405

ABSTRACT:
An engine has a combustion chamber. An air induction system communicates with the combustion chamber through an intake port. An exhaust system communicates with the combustion chamber through an exhaust port. Intake and exhaust valves move between an opening position and a closing position of the intake port and the exhaust port, respectively. A camshaft actuates either the intake valve or the exhaust valve. The camshaft extends generally vertically. A VVT mechanism changes an angular position of the camshaft. A sensor detects the angular position and generates a signal indicative of the angular position. The sensor is disposed below the VVT mechanism.

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Co-pending application No. 10/078,275, entitled Control System for Marine Engine, filed on Feb. 14, 2002 in the name of Isao Kanno and assigned to Sanshin Kogyo Kabushiki Kaisha.

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