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Fluid heater with low porosity thermal mass

  • US 7,190,893 B2
  • Filed: 06/27/2003
  • Issued: 03/13/2007
  • Est. Priority Date: 06/27/2003
  • Status: Expired due to Fees
First Claim
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1. A heater apparatus for heating fluid, the heater apparatus comprising:

  • a one piece low porosity, thermally conductive mass formed of one of a thermally conductive semi-solid state cast material, a molded ceramic, and an extruded material formed of one of a ceramic material and a poltruded carbon;

    heating means, disposed within and thermally coupled to the thermally conductive mass, for imparting heat to the thermally conductive mass; and

    a fluid flow path formed in the mass between an inlet and an outlet, the fluid flow path coupled in heat transfer relation to the heating means so that fluid in the fluid flow path absorbs heat from the thermally conductive mass, the fluid flow path open to the exterior of the thermally conductive mass.

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