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Vehicle suspension means having variable suspension characteristics

  • US 4,586,728 A
  • Filed: 02/27/1984
  • Issued: 05/06/1986
  • Est. Priority Date: 02/28/1983
  • Status: Expired due to Term
First Claim
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1. A suspension system for motor vehicles comprising suspension means having suspension characteristics which are variable between hard and soft modes, adjusting means for changing the suspension characteristics of the suspension means, vehicle speed detecting means for detecting vehicle speed and producing a vehicle speed signal, engine power output level detecting means for detecting engine power output level and producing an engine power output level signal, control means connected with said vehicle speed detecting means and said engine output detecting means to receive said signal therefrom to detect a vehicle operating range wherein engine output is substantially larger than the output necessary to maintain constant speed vehicle operation and to produce a control signal which is applied to said adjusting means to adjust the suspension means into the hard mode when the vehicle is within said vehicle operating range.

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