Screw propeller with no shaft boss and ship thruster using such

Details Screw propeller with no shaft boss and ship thruster using such Screw propeller with no shaft boss and ship thruster using such

1978-10-27

1981-01-06

Butler, Douglas C.

Marine propulsion

Jet drive

415122A, 440 75, B63H 114, B63H 506

Patent

active

042429790

ABSTRACT:
A propeller with no shaft boss comprising a substantially cylindrical rotatable member and several propeller blades extending radially of the cylindrical member close to the center axis thereof, and a ship thruster system adapted with the propeller having its cylindrical member disposed in a suction and exhaust port formed in the hull, and the cylindrical member is arranged to receive the rotative force from a motor so as to be rotated.

REFERENCES:
patent: 2605606 (1952-08-01), Pilz
patent: 3487805 (1970-01-01), Satterthwaite
patent: 3655294 (1972-04-01), Thatcher
patent: 3759211 (1973-09-01), Kuntz, Jr.

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