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Hybrid heater assembly with heating elements having different wattage densities

  • US 9,204,494 B2
  • Filed: 12/03/2012
  • Issued: 12/01/2015
  • Est. Priority Date: 12/03/2012
  • Status: Active Grant
First Claim
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1. A heater assembly comprising:

  • a plurality of first heating elements, the plurality of first beating elements being characterized by a first wattage density; and

    one or more second heating elements, the one or more second heating elements being characterized by a second wattage density, the second wattage density being greater than the first wattage density,wherein the one or more second heating elements are alternately distributed with the plurality of first heating elements, the plurality of first heating elements comprise one or more ribbon heating elements, and the one or more second heating elements comprise one or more coil heating elements.

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