The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 09, 1994
Filed:
Aug. 19, 1992
Siegfried Lais, Spay, DE;
Gerd Krautkramer, Boppard, DE;
Stefan Huth, Boppard, DE;
Stephan Schneider, Koblenz, DE;
Schottel-Werft Josef Becker GmbH & Co. KG, Spay am Rhein, DE;
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.