Propeller shroud

Details Propeller shroud Propeller shroud

1998-05-26

1999-04-06

Swinehart, Ed L.

Marine propulsion

Screw propeller

Propeller guard

440 67, B63H 516

Patent

active

058909370

ABSTRACT:
A propeller shroud affixable around the propeller of a water craft. The shroud has a generally cylindrical member which closely surrounds the outer periphery of the blades of the propeller. The front edge of the shroud is deeply concaved to reduce water resistance. Preferably the shroud has several reinforcing blades which are vertically oriented when viewed from the front, but angled rearwardly from the top of the shroud to the bottom. The shroud protects the propeller against damage from rocks, sandbars and the like.

REFERENCES:
patent: 123629 (1872-12-01), Hemje
patent: 2139594 (1938-12-01), Kort
patent: 2655891 (1953-10-01), Gorski
patent: 3082728 (1963-03-01), Dawes
patent: 4832634 (1989-05-01), Kearns

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