Outboard motor

Details Outboard motor Outboard motor

1993-04-27

1994-12-06

Swinehart, Edwin L.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

440900, 440 53, B63H 2132

Patent

active

053705645

ABSTRACT:
An outboard motor having a power head in which an exhaust expansion chamber is provided that receives the exhaust gases from the engine and delivers them to an underwater exhaust gas discharge. The expansion chamber is affixed to the engine and forms at least in part a closure for an exhaust manifold formed integrally in the engine cylinder block.

REFERENCES:
patent: 2900947 (1959-08-01), Cotal
patent: 3195521 (1965-07-01), Larsen
patent: 3692006 (1972-09-01), Miller et al.
patent: 3911853 (1975-10-01), Strang
patent: 4371348 (1983-02-01), Blanchard

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