Integrated induction noise silencer and oil reservoir

Details Integrated induction noise silencer and oil reservoir Integrated induction noise silencer and oil reservoir

1999-05-13

2000-05-02

Avila, Stephen

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

181229, B63H 2110

Patent

active

060566116

ABSTRACT:
An oil reservoir is used as a sound attenuator in an outboard motor and is placed under the cowl of the outboard motor with the throats of the engine's throttle bodies disposed between the oil reservoir and the engine itself. This allows the sound emanating from the throttle bodies to be attenuated by the oil reservoir which is cup-shaped to partially surround the throat of the throttle bodies. A plate member can be attached to a hollow wall structure in order to enclose a cavity therebetween. The structure therefore serves as an oil reservoir for the engine and also as a sound attenuating member.

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patent: 4570744 (1986-02-01), Hoshiba
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patent: 5487688 (1996-01-01), Sumigawa
patent: 5554058 (1996-09-01), LeQuire
patent: 5683277 (1997-11-01), Tsunoda et al.
patent: 5719358 (1998-02-01), Lindholm

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