Thermal receptacle with phase change material

  • US 20040083755A1
  • Filed: 10/21/2003
  • Published: 05/06/2004
  • Est. Priority Date: 04/07/1997
  • Status: Active Grant
First Claim
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1. A liquid receptacle for rapidly lowering the temperature of a liquid contained therein to a warm range suitable for human contact and maintaining the liquid in the warm range for an extended period of time, said receptacle comprising:

  • an inner vessel having an open upper end and closed lower end and a wall connecting said upper end and said lower end;

    an insulated outer shell spaced from said inner vessel defining an interstitial chamber therebetween; and

    a phase change material disposed within said chamber for regeneratively absorbing thermal energy from the liquid and then releasing the thermal energy to the liquid to maintain the temperature of the liquid.

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