Boat propulsion device with internal exhaust

Details Boat propulsion device with internal exhaust Boat propulsion device with internal exhaust

1987-06-15

1990-03-27

Peters, Jr., Joseph F.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

440112, B63H 2132

Patent

active

049116665

ABSTRACT:
A marine drive which mounts through a hole in the bottom surface of a boat utilizes a driveshaft housing assembly, an engine mounted to the driveshaft assembly and a lower propeller drive unit mounted to the driveshaft housing assembly. The driveshaft housing assembly which mounts the drive within the hole in the boat includes a driveshaft housing, a steering assembly constructed to rotate about a generally vertical axis within said driveshaft housing assembly to provide steering, a trimming assembly connected to the steering assembly to pivotably swing the lower propeller drive unit to provide trimming/tilting, a driveshaft and an exhaust passageway therethrough.

REFERENCES:
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patent: 1824213 (1931-09-01), Johnson
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patent: 2976836 (1961-03-01), Fageol
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patent: 3659547 (1972-05-01), Stuart
patent: 3752111 (1973-08-01), Meynier, Jr.
patent: 3865068 (1975-02-01), Haasl
patent: 4371348 (1983-02-01), Blanchard
patent: 4543069 (1985-09-01), Kobayashi

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