Camshaft drive for outboard motor

Details Camshaft drive for outboard motor Camshaft drive for outboard motor

1996-10-31

1998-04-28

Kamen, Noah P.

Internal-combustion engines

Frame construction

Horizontal cylinder

123198E, 440 77, F02F 700

Patent

active

057432287

ABSTRACT:
A camshaft drive for the engine of an outboard motor includes a drive sprocket mounted to the crankshaft of the engine, a sprocket mounted to each of first and second camshafts, and a drive belt engaging the sprockets, whereby the crankshaft drives the camshafts. A cover extends over the camshaft drive, the cover having an air inlet and air outlet and defining a first cooling air flow path from said air inlet across a first portion of the drive belt pathway for cooling a first portion of the belt, and a second flow path across a second portion of the drive belt pathway to the air outlet for cooling a second portion of the belt.

REFERENCES:
patent: 4126115 (1978-11-01), List et al.
patent: 4721485 (1988-01-01), Suzuki
patent: 4878467 (1989-11-01), Schmidt
patent: 4960081 (1990-10-01), Atsuumi
patent: 5445547 (1995-08-01), Furukawa

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