Watercraft catalytic exhaust system

Details Watercraft catalytic exhaust system Watercraft catalytic exhaust system

1996-02-27

1997-12-30

Avila, Stephen

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

114270, B63H 2132

Patent

active

057022763

ABSTRACT:
A number of embodiments of a personal watercraft are disclosed which have a catalytic exhaust system for treating and purifying exhaust gases. In all of the embodiments, the catalyst is positioned and disposed so as to be protected from water. In addition, arrangements are provided for cooling the catalyst, for discharging at least a portion of coolant upstream of the catalyst, for circulating ventilating air across it, for isolating it from other components such as the fuel tank, and for permitting its flushing with fresh water after operating in a salt water environment.

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