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Air support adjusting apparatus for seat of vehicle

  • US 4,833,614 A
  • Filed: 04/07/1987
  • Issued: 05/23/1989
  • Est. Priority Date: 04/08/1986
  • Status: Expired due to Term
First Claim
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1. An apparatus for controlling the air pressure of an air support, comprising:

  • a pump connected to said air support for supplying or discharging the air to or from said air support;

    a pressure sensor for detecting the air pressure within said air support;

    a memory means for storing a preset pressure value for said air support;

    a controller for generating pump operation control data by calculating the time for which the pump is to be operated on the basis of data derived from the detected output of said pressure sensor and data derived from the preset pressure value stored in said memory means; and

    a timer for counting the time during which said pump is to be operated on the basis of the control data available from said controller and providing a control signal to said pump indicative of said time.

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