Ship drive with two counterturning propellers

Details Ship drive with two counterturning propellers Ship drive with two counterturning propellers

1993-12-28

1995-08-15

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Plural impellers having relative movement or independent...

Coaxial rotation

416129, 416169R, 416170R, B63H 510

Patent

active

054413885

ABSTRACT:
A ship's drive with two counterturning propellers, the rear propeller of which is fastened to an inner shaft and the front propeller of which is fastened to the head end of a hollow shaft, which runs concentrically with the inner shaft. The hollow shaft is connected to a gearing and the inner shaft is connected to a propulsion unit. A gearwheel is disposed at the foot end of the hollow shaft which engages a further gearwheel which is fastened to an input shaft running parallel to the inner shaft. The input shaft can be connected with the output of a second engine.

REFERENCES:
patent: 1336770 (1920-04-01), Wittmaack
patent: 2244763 (1941-06-01), Bugatti
patent: 3527545 (1970-09-01), Campbell et al.
patent: 4642059 (1987-02-01), Nohara

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