Marine motor transmission

Details Marine motor transmission Marine motor transmission

1989-07-28

1991-02-12

Basinger, Sherman

Marine propulsion

Screw propeller

Having transmission

474101, 474111, B63H 2300

Patent

active

049920669

ABSTRACT:
In a propeller driven outboard or inboard-outboard marine motor, the typical transmission comprising a transmission shaft coupled to the propeller shaft by bevel gears is replaced by a chain drive between the propeller shaft and a parallel output shaft coupled to the power plant of the motor. Torque is applied to the chain drive through a torque dependent variable pulley coupled by a belt to a speed dependent variable pulley which allow for a variable gear ratio. A chain tensioning means maintains tension on the chain.

REFERENCES:
patent: 417512 (1889-12-01), Rosquist
patent: 2345689 (1944-04-01), Snadecki
patent: 2486574 (1949-11-01), Roof
patent: 3403655 (1968-10-01), Warburton
patent: 3759111 (1973-09-01), Hoff
patent: 4869692 (1989-09-01), Newman

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