Flange-mounted controllable pitch marine propeller

Details Flange-mounted controllable pitch marine propeller Flange-mounted controllable pitch marine propeller

1991-10-02

1992-09-08

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Power or manual actuator on non-rotatable part

416213A, 416244B, 416164, B63H 304, B63H 2334

Patent

active

051453185

ABSTRACT:
A controllable pitch marine propeller includes a hub body having a forward section provided with holes for bolts and locating and torque pins and a frontal surface that mates with a hub flange and an internal flange that defines an annular cavity and receives a cup-shaped cross-head. A hub flange and propeller shaft assembly comprises separate hub flange and shaft members joined by at least one weldment formed in a tapered weld cavity and protected by a liner shrink-fitted on the perimeter of the hub flange and a removable plate sealed to the hub liner and the shaft liner.

REFERENCES:
patent: 2200952 (1940-05-01), Farrell
patent: 2360982 (1944-10-01), Sahle
patent: 2514097 (1950-07-01), Sharp
patent: 2523053 (1950-09-01), Obrist
patent: 2913057 (1959-11-01), Willi
patent: 3501251 (1970-03-01), Haglund et al.
patent: 3802800 (1974-04-01), Merks et al.
patent: 4810166 (1989-03-01), Sawizky et al.
Renou DardeL brochure on Controllable Pitch Propellers.
KaMeWa/Seffle brochure entitled "Controllable Pitch Propellers & Valmet Reduction Gear Boxes".

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