Laminar air flow, low temperature air heaters using thick or...

Details Laminar air flow, low temperature air heaters using thick or... Laminar air flow, low temperature air heaters using thick or...

2005-03-29

2005-03-29

Jeffery, John A. (Department: 3742)

Electric resistance heating devices

Heating devices

Concentrated heated air stream

C392S360000, C392S486000, C392S488000, C219S543000

Reexamination Certificate

active

06873790

ABSTRACT:
An elongate heating element that includes an insulative substrate and a resistive coating that heats to a predetermined temperature when an electrical current is passed through the coating. The insulative material forming the substrate is preferably a ceramic such as cordierite, but the invention is not limited to any particular insulative material. An air moving device directs an air stream over the resistive coating in order to heat the air stream.

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