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Heat exchanger

  • US 9,915,441 B2
  • Filed: 09/13/2011
  • Issued: 03/13/2018
  • Est. Priority Date: 09/13/2010
  • Status: Active Grant
First Claim
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1. A heat exchanger comprising:

  • at least one electrical resistance heating element;

    at least two conductors electrically connected to the at least one electrical resistance heating element to conduct electric current through the at least one electrical resistance heating element and thereby heat the electrical resistance heating element;

    at least two heat-conducting elements that transfer heat from the at least one electrical resistance heating element;

    at least one electrical insulating element that insulates electrically the at least two conductors and the at least one electrical resistance heating element;

    at least one tube having a tube opening;

    at least one cavity bounded by the at least one tube, the at least two conductors, the at least one electrical insulating element, and the at least one electrical resistance heating element are arranged within the at least one cavity; and

    an adapter plate having at least one opening that corresponds to the tube opening of the at least one tube,wherein the at least one tube is connected fluid-tight to the adapter plate,wherein the adapter plate is connected fluid-tight to at least one of an electronics housing or an HVAC housing, andwherein the at least two heat conducting elements, are attached to opposing outer surfaces of the at least one tube, such that the at least one tube is positioned between the at least two heat conducting elements.

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