Catalyzer arrangement for outboard motor

Details Catalyzer arrangement for outboard motor Catalyzer arrangement for outboard motor

2005-04-26

2005-04-26

Swinehart, Ed (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

C440S08900C

Reexamination Certificate

active

06884133

ABSTRACT:
An outboard motor includes an engine that defines a first exhaust passage section. A housing unit is mounted on an associated watercraft and defines a second exhaust passage section. A support member is mounted on the housing unit and supports the engine above the housing unit. The support member defines third and fourth exhaust passage sections. The third exhaust passage section is wholly defined within the support member and communicates with the first exhaust passage section. The fourth exhaust passage section communicates with the second exhaust passage section. An exhaust unit is detachably coupled with the support member and defines fifth exhaust passage section that communicates with the third and forth exhaust passage sections. At least one catalyzer is disposed in the fifth exhaust passage section of the exhaust unit.

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