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Polymeric immersion heating element with skeletal support and optional heat transfer fins

  • US 5,835,679 A
  • Filed: 11/26/1996
  • Issued: 11/10/1998
  • Est. Priority Date: 12/29/1994
  • Status: Expired due to Term
First Claim
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1. An electrical resistance heating element capable of being disposed through a wall of a tank for use in connection with heating a fluid medium, comprising:

  • (a) a first flanged end;

    (b) a skeletal support frame having a plurality of openings therethrough and a first supporting surface thereon;

    (c) a resistance wire wound onto said first supporting surface and connected to at least a pair of terminal end portions at said first flanged end of said element; and

    (d) a thermally-conductive polymer coating disposed over said resistance wire for hermetically encapsulating and electrically insulating said resistance wire from said fluid.

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