Thermon Manufacturing Company

R Knox Pitzer

Roy E Barth

Chandrakant M Yagnik

David L Schlameus

David B Pitzer

Donald W Hirsch

A heat transfer material comprised of a polymeric material and a nitride or oxide is provided and is thermally conductive, but electrically non-conductive. The polymeric material may be silicone rubber, and the nitride or oxide may be aluminum nitride, boron nitride, silicon nitride, aluminum oxide or beryllium oxide. The material is made flexible by adding plasticizer and remains flexible after an extended period of use. A dielectric jacket for an electrical heating cable is thermally conductive and remains flexible so that it can be reused. The heat transfer material can be used on heating devices such as steam tubes and panels, where the heat transfer material does not bond to or adhere to the heated surface, which allows the heating device to be reused.

Thermally-conductive, electrically non-conductive heat transfer material and articles made thereof

An isolated tracer includes an elongated tube, a layer of insulation covering the tube, and a layer of tape compressing the insulation to provide a desired conductance rate for the isolated tracer. The isolated tracer is made by passing a pipe concurrently through a funnel-shaped die with a layer of insulation and wrapping tape around the insulation after it leaves the die. The insulation is compressed to a desired amount to provide a desired conductance rate by adjusting tension on the tape as it is wound about the insulation covering the tube.

Isolated tracer having controlled conductance rate and method of making same

Safety-enhanced steam tracing includes a metallic tube with a thin jacket of polymeric material, such as silicone rubber. The polymeric jacket is typically about 40 mils to about 60 mils thick. The safety-enhanced steam tracing provides a substantially lower risk of burn injury than bare metal steam tracing, yet its conductance performance is about the same as that of bare metal steam tracing.

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San Marcos, TX, United States of America

R Knox Pitzer