Engine air supply conduit for watercraft

Details Engine air supply conduit for watercraft Engine air supply conduit for watercraft

1999-07-01

2000-10-31

Morano, S. Joseph

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

114 5551, B63H 2100, B63C 700

Patent

active

061393819

ABSTRACT:
An air supply conduit system for a watercraft having an air breathing internal combustion engine within the watercraft interior includes at least one air supply conduit extending from an outlet end located in the watercraft interior to an inlet end located outside the watercraft. A noise suppressing resonating chamber connected to the air supply conduit damps noise from the internal combustion engine from the outlet end of the conduit towards the inlet end thereof. The air supply conduit may be positioned within the watercraft to minimize entrapment of liquid within the conduit and the noise suppressing resonating chamber. An inlet fitting including a noise suppressor is located at the inlet end of the conduit.

REFERENCES:
patent: 5735229 (1998-04-01), House et al.
patent: 5957072 (2000-01-01), Hattori
patent: 6015321 (2000-01-01), Ozawa et al.
patent: 6022253 (2000-02-01), Ozawa et al.

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