Manifold arrangement for outboard motor

Details Manifold arrangement for outboard motor Manifold arrangement for outboard motor

1998-08-27

2000-11-07

Basinger, Sherman

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

12318421, 12318446, B63H 2138

Patent

active

061428426

ABSTRACT:
An outboard motor having a multi-cylinder four-cycle, internal combustion engine as a power plant. An improved crankcase ventilating system is provided wherein the camshaft chambers and then to the intake system through an extended conduit passing over the exhaust manifold so as to reduce the emissions of hydrocarbons. The intake system is designed to preclude uneven distribution of the ventilating gasses. The intake system also is comprised of a plenum device, a plurality of runners and throttle bodies and an intake manifold that are attached as a unit to the rest of the engine body. Locating pins assist in this attachment.

REFERENCES:
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patent: 5544629 (1996-08-01), Ohata et al.
patent: 5832890 (1998-11-01), Ikeya et al.
patent: 5833504 (1998-11-01), Ikeya et al.
patent: 5870987 (1999-02-01), Ikeya et al.
patent: 5873755 (1999-02-01), Takahashi et al.
patent: 5899197 (1999-05-01), Watanabe et al.

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