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:
Nov. 21, 2023
Filed:
Jan. 18, 2019
Ab Volvo Penta, Gothenburg, SE;
Lennart Arvidsson, Kållered, SE;
AB VOLVO PENTA, Gothenburg, SE;
Abstract
A device and a method for controlling an electrical steering system in a marine vessel comprising at least one steerable propulsion unit, the electrical steering system comprising a main steering system () that comprises a main electric motor () and a main power source, e.g. a main battery (); a main steering angle sensor () arranged to detect the steering angle of the propulsion unit; a main control unit () arranged to steer the propulsion unit and to monitor the main steering system status; an auxiliary steering system comprising an auxiliary electric motor () and an auxiliary battery (); and an auxiliary clutch () arranged to connect a drive shaft of the auxiliary electric motor to the input shaft of the steering transmission (). The method involves the steps of engaging the auxiliary clutch at start-up of the propulsion unit; performing a diagnostic test of the main steering system during start-up; performing a calibration of an auxiliary steering angle sensor.