Engine seal and crankcase ventillation arrangement for outboard

Details Engine seal and crankcase ventillation arrangement for outboard Engine seal and crankcase ventillation arrangement for outboard

1998-05-27

1999-11-02

Avila, Stephen

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

123 4186, B63H 2110

Patent

active

059759712

ABSTRACT:
A crankcase seal and ventilation arrangement for an outboard motor that permits ventilating air to flow from the crankcase chamber into an induction system of the engine for air purification. In addition, the arrangement is such that oil, which may flow into the ventilating air chamber when the outboard motor is tilted up, can return to the crankcase chamber when the outboard motor is returned to its normal running condition.

REFERENCES:
patent: 3550567 (1970-12-01), Crow
patent: 4969422 (1990-11-01), Ishikawa et al.
patent: 5078101 (1992-01-01), Anderson et al.
patent: 5514015 (1996-05-01), Okazawa et al.

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