Propeller guard

Details Propeller guard Propeller guard

1981-09-08

1983-10-25

Blix, Trygve M.

Marine propulsion

Screw propeller

Propeller guard

B63H 516

Patent

active

044116314

ABSTRACT:
A vessel, in particular a ferry, intended for use in ice-filled waters, is provided with a propeller guard having the form of a rigid grid construction and being arranged to enclose one or several propellers acting in the front part of said vessel and/or below the keel line of said vessel. The width of the guard at its upper edge at the hull of the vessel is at least substantially equal to the greatest width of the guard. At its front end, the guard has an oblique front edge which, in a longitudinal section, is at least to its major part, inclined relative to a horizontal plane at the most 50.degree., preferably at the most 45.degree..

REFERENCES:
patent: 1024119 (1912-04-01), Cox
patent: 1055874 (1913-03-01), Campbell
patent: 1072270 (1913-09-01), Tagliamonte
patent: 1620129 (1927-03-01), Peterson
patent: 4078516 (1978-03-01), Balius

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