Marine propulsion – Paddle wheel – Having means to retract paddle or change paddle attitude
Patent
1982-02-25
1984-09-25
Blix, Trygve M.
Marine propulsion
Paddle wheel
Having means to retract paddle or change paddle attitude
440 90, 114280, B63H 502
Patent
active
044733585
ABSTRACT:
A water-borne vessel propelled by a plurality of propulsion wheels each of which has a plurality of hydrofoil units disposed circumferentially around the drive shaft of the propulsion wheel on a support. In one embodiment, a tire for a land vehicle, is provided coaxially with the hydrofoil units on the drive shaft. The tire has a radius greater than the radial distance between the shaft and the units to form an amphibious vehicle.
REFERENCES:
patent: 356977 (1887-02-01), Biggio
patent: 665804 (1901-01-01), Savage
patent: 1069880 (1913-08-01), Kasmar
patent: 1911827 (1935-05-01), Knavs
patent: 2719000 (1955-09-01), Thevenaz
patent: 3251334 (1966-05-01), Beardsley
patent: 3299963 (1967-01-01), Lowe
patent: 3759213 (1973-09-01), Quady
Avila Stephen P.
Blix Trygve M.
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