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Electric assist steering system with alternator power source

  • US 4,751,978 A
  • Filed: 03/16/1987
  • Issued: 06/21/1988
  • Est. Priority Date: 03/16/1987
  • Status: Expired due to Fees
First Claim
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1. A power steering apparatus comprising:

  • power steering means for providing a steering force to a steering linkage in response to an applied electrical signal;

    generating means operatively drivable by an engine for, when driven, generating an electrical signal;

    sensing means for sensing operator applied steering torque; and

    switching means connected to said generating means and to said power steering means for, in a first position, connecting said generating means to said power steering means to apply said electrical signal from said generating means thereto, and, in a second position, connecting said generating means to a storage battery, said switching means switching to said first and second positions in response to sensed steering torque.

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