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Cooling device for cooling breathing gas in a respiratory protection device

  • US 5,269,293 A
  • Filed: 09/11/1991
  • Issued: 12/14/1993
  • Est. Priority Date: 09/13/1990
  • Status: Expired due to Fees
First Claim
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1. A cooling device for cooling breathing gas in a respiratory protection device, comprising:

  • an inspiration tube and an expiration tube connected to a user connection pipe;

    a regenerating container with a carbon dioxide adsorbent connected to said expiration tube, said regenerating container having a gas exit line;

    an air guiding box connected to said regenerating container gas exit line, and connected to said inspiration tube;

    a heat collector formed as a storage tank for an evaporable liquid, said storage tank being positioned in said guiding box for heat transfer with breathing gas passing through said guiding box;

    an evacuated adsorbent container connected to said storage tank, said adsorbent container including an adsorbent for adsorbing vapor evaporated in said storage tank, while absorbing heat of vaporization, said adsorbent container being formed as a cooling body arranged outside of said guiding box for releasing heat of adsorption and heat of condensation to a region surrounding said cooling body.

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