Controlled transmission system

Details Controlled transmission system Controlled transmission system

1978-12-20

1982-01-12

Herrmann, Allan D.

Machine element or mechanism

Power take-off

With independent change speed gearing

74661, 74665A, 74665F, 74768, 440 3, 440 4, 440 75, F16H 3706, F16H 5710, B63H 2318

Patent

active

043099149

ABSTRACT:
A ship drive system with main engine, main transmission and propeller shaft is supplemented by a transmission branch permitting power transmission in both directions. The branch includes an auxiliary engine, an a.c. generator selectively connected to that auxiliary engine and a controlled transmission unit interposed between the generator shaft and a branch shaft from the main transmission. The unit includes two planetary gear sets of different transmission ratios, their sun gears are mounted on the generator shaft, and a common spider for two sets of planet gears is mounted on the branch shaft; the two internal ring gears for the planetary gears are selectively, one at a time or none, immobilized for power transmission at the respective speed ratio.

REFERENCES:
patent: 1332631 (1920-03-01), Morse
patent: 3136180 (1964-06-01), Sprague et al.
patent: 3225732 (1965-12-01), Carlsen

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