Marine propulsion system

Details Marine propulsion system Marine propulsion system

1988-09-08

1990-05-15

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

Shafting

440111, B63H 2302

Patent

active

049254146

ABSTRACT:
A marine propulsion system for isolating engine sound and vibration from the boat interior includes an engine mounted in the aft portion of the boat by resilient mounts. The engine is enclosed within a closed compartment for isolating engine sound, with one wall of the compartment defined by the boat transom. The resilient engine mounts isolate the boat from the effects of engine vibration. A drive unit is rigidly mounted to the exterior of the boat transom. A drive mechanism is provided for transferring power from the engine crankshaft to the drive unit, and includes an apparatus for accommodating engine movements and isolating the drive unit from the effect of such movements.

REFERENCES:
patent: 1745235 (1930-01-01), Svendsen et al.
patent: 3051119 (1962-08-01), Hamlyn
patent: 3396692 (1968-08-01), Bergstedt
patent: 3583357 (1971-06-01), Shimanckas
patent: 4003330 (1977-01-01), Compton
patent: 4293304 (1981-10-01), Sandstrom et al.
patent: 4382797 (1983-05-01), Blanchard
patent: 4534737 (1985-08-01), Henderson
patent: 4559018 (1985-12-01), Nakahama et al.
patent: 4565532 (1986-01-01), Connor

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