×

DRIVE CONTROL DEVICE FOR ELECTRIC VEHICLE

  • US 20050257977A1
  • Filed: 04/27/2005
  • Published: 11/24/2005
  • Est. Priority Date: 05/20/2004
  • Status: Abandoned Application
First Claim
Patent Images

1. A vehicle having a propulsion device driven by an electric motor, a rider operated speed control for controlling the driving speed of said electric motor, a sensor for providing signals indicating the speed said vehicle is traveling speed, a sensor for sensing changes in the position of the rider operated speed control, a comparator for comparing changes in the position of said rider operated speed control and changes in the indicated vehicle speed in respective time periods, and a warning device for providing a warning signal when sensed the vehicle speed change in the time period exceeds a first value and the sensed change in position of the rider operated speed control is a less than a second value.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×