Marine propulsion system

Details Marine propulsion system Marine propulsion system

1974-06-10

1976-11-23

Schaefer, Robert K.

Prime-mover dynamo plants

Electric control

Traction

318148, B60L 1102

Patent

active

039939120

ABSTRACT:
A marine propulsion system includes a gas turbine, a generator, a motor and a fixed pitch propeller. Means are provided to operate the motor synchronously in the normal ahead and astern directions and to operate the motor asynchronously in the slow ahead and astern directions with the gas turbine operating at its idle setting. Means are also provided to brake the propeller before astern torque is applied when the power propulsion lever is rapidly moved from the normal ahead setting to the normal astern setting by operating the motor as a generator.

REFERENCES:
patent: 2321302 (1943-06-01), Liwschitz
patent: 2451936 (1948-10-01), Frisch
patent: 2454778 (1948-10-01), Curry

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