Outboard propulsion gearcase

Details Outboard propulsion gearcase Outboard propulsion gearcase

1980-04-21

1983-02-15

Blix, Trygve M.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

B63H 120

Patent

active

043739229

ABSTRACT:
An outboard drive unit for a watercraft having a through-the-propeller hub exhaust system for engine exhaust has a bearing support member (22) which carries the propeller shaft (18) and separates the exhaust passages from the propeller shaft gears (24) and (25). Lubricant retaining surfaces (4B) are formed on the bearing support member (22) to prevent corrosion between the support member (22) and housing (11).

REFERENCES:
patent: 3092185 (1963-06-01), Alexander
patent: 3434447 (1969-03-01), Christensen
patent: 3667818 (1972-06-01), Adamski et al.
patent: 3705753 (1972-12-01), Bierlein et al.
patent: 3871324 (1975-03-01), Snyder
patent: 3973781 (1976-08-01), Grorich

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