Improved boat thruster system including swirl reducing vanes

Details Improved boat thruster system including swirl reducing vanes Improved boat thruster system including swirl reducing vanes

1981-04-22

1984-01-03

Basinger, Sherman D.

Ships

Steering mechanism

Paddles and wheels

114151, 440 40, 440 47, B63H 2546

Patent

active

044236964

ABSTRACT:
An improved boat thruster system including a pump for drawing water through an inlet in the boat hull and for discharging water through outlets on both sides of the hull. The improved system includes a plurality of substantially planar vanes mounted in the water flow path proximate to said outlets. The vanes function to reduce swirl angle components in the water flow and thus increase thrust efficiency and to prevent the ingestion of water borne debris into the outlets.

REFERENCES:
patent: 943604 (1909-12-01), D'Equevilley-Montjustin
patent: 2139594 (1938-12-01), Kort
patent: 4214544 (1980-07-01), Dashew et al.

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