Tubular duct for a ship propeller

Details Tubular duct for a ship propeller Tubular duct for a ship propeller

1980-02-08

1981-09-08

Blix, Trygve M.

Marine propulsion

Screw propeller

Propeller guard

440 67, 440 66, 440 47, 416236A, 416189, B63H 114, B63H 506

Patent

active

042882230

ABSTRACT:
A tubular duct is provided for ship propellers with blade tips having barrier plates extending transversely therefrom. The tubular ducts are effectively arranged to extend the barrier plates in a manner which, in operation, directs a fluid stream in substantially shock-free contact with such plates.

REFERENCES:
patent: 28688 (1860-06-01), Porter
patent: 170937 (1875-12-01), Cook
patent: 427983 (1890-05-01), Gouilly
patent: 652123 (1900-06-01), Lavigne
patent: 675477 (1901-06-01), Hall
patent: 695389 (1902-03-01), Hammond
patent: 1065089 (1913-06-01), Wabo
patent: 2030375 (1936-02-01), Kort
patent: 3499412 (1970-03-01), Anthes
patent: 3508517 (1970-04-01), Hannan
patent: 3635186 (1972-01-01), German
"The Kort Nozzle"-Kort Co., pp. 1-15.

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