Patent ID: 6793234
Filing Date: 2004-09-21
Classification: B62D

Abstract:
A steering system comprising:a steering wheel for a vehicle; a feedback mechanism for communicating with said steering wheel; a control unit for controlling said feedback mechanism; a sensor for communicating with said control unit for detecting undesirable movement of the vehicle, said control unit for controlling said feedback mechanism to communicate a signal to the driver; wherein said feedback mechanism causes tactile feedback in said steering wheel; wherein said tactile feedback comprises vibration in said steering wheel; a power steering unit for communicating with said steering wheel, said power steering unit for assisting steering of the vehicle; wherein said power steering unit comprises a hydraulic pump and a solenoid valve controlling fluid flow to said hydraulic pump; and wherein said feedback mechanism comprises said solenoid valve in communication with said control unit, interrupting fluid flow of said power steering unit and thereby causing vibration of said steering wheel.