US Patent 7537082 Electric power steering system
Patent 7537082 was granted and assigned to JTEKT on May, 2009 by the United States Patent and Trademark Office.
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An electric power steering system includes an assisting electric motor for assisting steering force according to a vehicle speed and a steering torque, a power supply source and an electric power steering controlling portion for supplying power to the assisting electric motor from the power supply source for controlling the assisting electric motor. The electric power steering controlling portion completely stops the controlling of the assisting electric motor being controlled and stops operating when the power supply source is in a first abnormal state and temporarily stops the controlling of the assisting electric motor being controlled until the power supply source returns to a normal state from a second abnormal state when the power supply source is in the second abnormal state.
US Patent 07537082 Electric power steering system US Patent 7537082 Electric power steering system
US Patent 07537082 Electric power steering system
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