Drive unit for relatively small watercraft

Details Drive unit for relatively small watercraft Drive unit for relatively small watercraft

1992-08-19

1994-08-09

Bucci, David A.

Marine propulsion

Electric drive for propelling means

440 78, 440900, B60L 1100

Patent

active

053361199

ABSTRACT:
A drive unit for a relatively small watercraft has a cylindrical underwater partial housing which carries, at one end, an electric motor to be operated photovoltaically, with which a propeller is arranged, at the other end, in such a way that it is seated on a shaft which is rotatably mounted in parallel relationship to the motor output shaft. The propeller shaft is supported in non-lubricated bearings in a partial housing connected to the cylindrical underwater partial housing. A toothed belt drive, having a toothed belt extending from the motor-side open end of the cylindrical underwater partial housing into the cylindrical underwater partial housing, to the motor shaft, is inserted between the motor output shaft and the propeller shaft. The assembled unit is passed, sealingly, through a bearing mounted in the bottom of the boat so that the assembled unit, in its entirety, is mounted fully rotatably around the longitudinal axis of the cylindrical partial housing, in the watercraft, without using a stop to limit rotary movement, such that the assembled unit can be arranged inboard, except for the propeller, the partial housing accommodating the propeller shaft, and the propeller-side section of the cylindrical underwater partial housing.

REFERENCES:
patent: 2794410 (1957-06-01), Oliver et al.

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