Drain structure of an outboard motor

Details Drain structure of an outboard motor Drain structure of an outboard motor

1999-02-02

2000-05-23

Morano, S. Joseph

Marine propulsion

Screw propeller

Propulsion unit casing

440 77, 123195P, B63H 2032, F02F 700

Patent

active

060660139

ABSTRACT:
In an outboard motor, a simple drain structure is provided which can drain the water that has entered the engine compartment while effectively preventing water from entering the engine compartment through the drain structure itself. A drain passage is formed in a peripheral portion of an engine mount member which, together with a part of an engine cover, constitutes a bottom of the engine compartment. A reed valve unit made of a resilient material and having a base portion and a valve portion is fittingly received by the side wall defining the drain passage of the mount member so that the valve portion normally closes the opening of the drain passage due to its own resiliency and bend to drain water when water accumulates in the drain passage.

REFERENCES:
patent: 4533331 (1985-08-01), Bland
patent: 4698037 (1987-10-01), Watanabe et al.
patent: 4758190 (1988-07-01), Van Vuren
patent: 4776820 (1988-10-01), Mapes

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