Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Patent
1983-01-28
1985-02-26
Blix, Trygve M.
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
440 73, B63H 512
Patent
active
045015600
ABSTRACT:
An inboard outboard drive for boats, particularly planing boats, of the S-type comprising an inboard engine and a vertical propeller leg having an upper inboard end and extending through an opening in the hull to an outboard propeller carrying portion. The engine has a horizontal output shaft with a universal joint driving shafting extending through the propeller leg to drive the propeller. The propeller leg for side steering is pivotally mounted in a watertight bearing which is located inboard and is inclined so that the bearing axis, defining the side steering axis, passes through the universal joint. The drive is supported near its forward end on two vibration damping supports mounted in the hull and supporting the engine, and on a resilient damping member mounted in the hull and supporting the projecting portion of a bracket which supports the propeller leg to reduce the lever arm of the propeller thrust. The propeller leg is assembled from an inboard module and an outboard module each having power transmission shafting and having attachment member for securing the modules together and sealing the opening in the hull.
REFERENCES:
patent: 2976836 (1961-03-01), Fageol
patent: 3010422 (1961-11-01), Brakensiek
patent: 3529564 (1970-09-01), Osswald et al.
patent: 4354846 (1982-10-01), Eighinger
Brandt Lennart
Pichl Heinz
AB Volvo Penta
Blix Trygve M.
Sotelo Jesus D.
Yeager Arthur G.
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