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Rapid acting electro-pneumatic anti-G suit control valve

  • US 4,736,731 A
  • Filed: 02/24/1986
  • Issued: 04/12/1988
  • Est. Priority Date: 02/24/1986
  • Status: Expired due to Fees
First Claim
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1. An anti-G suit valve system for an anti-G suit, comprising:

  • (a) means for delivering pressurized air to the anti-G suit;

    (b) means for activating the pressurized air delivering means;

    (c) acceleration measuring means;

    (d) differentiating means for determining from the output of the acceleration measuring means the rate of change of acceleration over time; and

    ,(e) means for comparing the output of the acceleration measuring means to a first preselected acceleration value, for comparing the output of the differentiating means to a second preselected rate of change of acceleration over time value and for energizing the activating means for the pressurized air delivering means when both the output from the acceleration measuring means and the output from the differentiating means exceed, respectively, the first and second preselected values, wherein this means includes timing means responsive to the start of energization for controlling the length of time the activating means remains energized.

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