Marine propulsion – Screw propeller – Propulsion unit casing
Patent
1994-07-18
1996-01-30
Swinehart, Edwin L.
Marine propulsion
Screw propeller
Propulsion unit casing
440900, 440 88, B63H 2100
Patent
active
054876877
ABSTRACT:
An outboard marine drive having a midsection between the upper power head and the lower gear case and having a removable midsection cowl assembly including first and second cowl sections. The midsection housing includes an oil sump in one embodiment and further includes an exhaust passage partially encircled by cooling water and partially encircled by engine oil for muffling engine exhaust noise. The midsection housing also has an oil drain arrangement providing complete and clean oil draining while the outboard drive is mounted on a boat and in the water wherein the operator can change oil without leaving the confines of the boat and entering the water.
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Idzikowski George D.
Jaszewski Wayne M.
Phillips George E.
Brunswick Corporation
Swinehart Edwin L.
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