Adjusting mechanism for variable pitch watercraft propellers

Details Adjusting mechanism for variable pitch watercraft propellers Adjusting mechanism for variable pitch watercraft propellers

1985-03-13

1987-03-10

Basinger, Sherman D.

Marine propulsion

Screw propeller

Variable pitch

416159, 416166, B63H 308

Patent

active

046488472

ABSTRACT:
A mechanical linkage for adjusting propeller blades includes a two-armed lever arranged on the downstream side of the hub of a variable pitch propeller driven by a driving engine by means of a drive shaft. The push rod of a linear motor connected to an energy source moves one arm of said adjusting lever. The other arm of the adjusting lever is articulated to a non-rotatable adjusting sleeve which is coupled via a thrust bearing to a rotary intermediate adjusting member. Adjusting rods are fixed to the intermediate adjusting member and are guided in the hub and accomplish the adjustment of the propeller blades.

REFERENCES:
patent: 2742097 (1956-04-01), Gaston
patent: 2931443 (1960-04-01), Pehrsson
patent: 3095932 (1963-07-01), Hercules

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