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Temperature compensated stored gas inflator

  • US 5,433,476 A
  • Filed: 07/27/1994
  • Issued: 07/18/1995
  • Est. Priority Date: 07/27/1994
  • Status: Expired due to Fees
First Claim
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1. A stored gas inflator which is operable over a wide range of initial temperatures and such that the dependence of its total output as a function of initial temperature is substantially reduced, comprising:

  • a vessel containing gas under pressure and having an outlet for the gas;

    sealing means sealing the outlet and adapted to open the outlet upon command and to permit passage of the gas through the outlet;

    a thermal reservoir element;

    a first exiting flowpath means for directing gas out along a first exiting flowpath that substantially bypasses or avoids thermal contact with the thermal reservoir element;

    a second exiting flowpath means for directing whatever gas does not leave through the first exiting flowpath means out along a second exiting flowpath that goes through the thermal reservoir element and has substantial thermal contact with the thermal reservoir element;

    a temperature-dependent flow control means for varying the amount of gas passing through each of the aforementioned flowpaths.

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