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Electric steering system

  • US 6,068,078 A
  • Filed: 06/16/1998
  • Issued: 05/30/2000
  • Est. Priority Date: 06/16/1998
  • Status: Expired due to Term
First Claim
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1. An electric steering system comprising:

  • a power source;

    an electric motor for providing an auxiliary steering force;

    an ultracapacitor selectively connectable to said power source, for charging said ultracapacitor, and to said motor, for discharging said ultracapacitor to drive said electric motor, said ultracapacitor having a capacitance greater than about 100 farads; and

    a control circuit, responsive to at least one vehicle condition, for selecting between connection of said ultracapacitor to said power source for charging said ultracapacitor and connection of said ultracapacitor to said electric motor for discharging said ultracapacitor to drive said electric motor.

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