Boat drive with adjustable pitch propeller

Details Boat drive with adjustable pitch propeller Boat drive with adjustable pitch propeller

1990-12-28

1991-12-17

Sotelo, Jesus D.

Marine propulsion

Screw propeller

Variable pitch

416163, B63H 308

Patent

active

050731343

ABSTRACT:
A boat drive of the type in which a housing outside the hull of the board and below the water level receives a hollow propeller shaft driven by a drive shaft connected to the propeller shaft by a transmission. The hub of a variable pitch propeller is mounted on the propeller shaft and the axially extending stems which adjust the pitch on this hub are engaged by a push rod extending through the prop shaft and connected to a double acting cylinder at the opposite end from that at which the rod is connected to the stems.

REFERENCES:
patent: 2704991 (1955-03-01), Danielson
patent: 2850106 (1958-09-01), Swan
patent: 3138136 (1964-06-01), Nichols
patent: 3895598 (1975-07-01), Blickle
patent: 4231317 (1980-11-01), Brandt et al.
patent: 4810166 (1989-03-01), Sawizky et al.
patent: 4964822 (1990-10-01), Mueller
patent: 5028210 (1991-07-01), Peterson et al.

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