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Actively controlled suspension system and height sensor

  • US 4,386,791 A
  • Filed: 07/06/1981
  • Issued: 06/07/1983
  • Est. Priority Date: 07/06/1981
  • Status: Expired due to Fees
First Claim
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1. An actively controlled suspension system, comprising:

  • a vehicle having a suspended mass;

    a nonsuspended mass supported on ground engaging wheels of said vehicle;

    suspension means having at least one gas filled distensible suspension member interposed between said masses and including at least one curvilinear section;

    means for changing the pressure in said distensible member comprising an electrically operated gas pump and electrical conductors connecting an energy source with said gas pump;

    a height sensor responsive to a change in the curvature of said curvilinear section in response to a compression change to thereby regulate the operation of said pressure changing means, said height sensor comprising a distensible rubber belt mounted to said distensible suspension member, said belt having switching means carried by opposite converging walls of notches in said belt and effective to normally interrupt said electrical conductors and to close said electrical conductors upon a predetermined change in shape of said curvilinear section.

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