Controller for an electric propulsion system for watercraft

Details Controller for an electric propulsion system for watercraft Controller for an electric propulsion system for watercraft

2007-04-18

2009-08-18

Olson, Lars A (Department: 3617)

Marine propulsion

Engine, motor, or transmission control means

For engine speed

C440S006000, C440S084000

Reexamination Certificate

active

07575491

ABSTRACT:
A controller for an electric propulsion system for watercraft that provides for speed, steering and direction of propulsion with a single stick mechanism. The position of the joystick handle relative to the center position will define speed (deflection from center position), steering (angle position of the deflection relative to the stick access), and propulsion direction based upon the quadrant deflection in the angular position and the angle position of that deflection. The present control system includes an all electric wire connection between the controller and the electric motors eliminating any mechanical connections.

REFERENCES:
patent: 3940674 (1976-02-01), Gill
patent: 4626757 (1986-12-01), Granchelli
patent: 5090929 (1992-02-01), Rieben
patent: 6234853 (2001-05-01), Lanyi et al.
patent: 6855020 (2005-02-01), Kaji
patent: 7037150 (2006-05-01), Morvillo
patent: 7267068 (2007-09-01), Bradley et al.

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