Marine propulsion – Screw propeller – Self-clearing
Patent
1980-02-21
1981-12-08
Sever, Frank
Marine propulsion
Screw propeller
Self-clearing
B63B 3508
Patent
active
043045596
ABSTRACT:
Flexible linear members trail between the blades of a forward-moving marine shaft-driven propeller and impinge upon the blade surface to defoul the propeller blades.
REFERENCES:
patent: 2319947 (1943-05-01), Oswood
patent: 4233735 (1980-11-01), Tsuchiya
Awalt, Jr. Thomas Y.
Sever Frank
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