Electric heating – Heating devices – With heating unit structure
Patent
1982-02-04
1983-10-25
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heating unit structure
165183, 219354, 219540, 219270, 338 51, 373134, H05B 310
Patent
active
044121261
ABSTRACT:
An infrared source comprising an electrically powered, hollow cylindrical rod which operates at lower temperatures and yet has no decrease in output power is configured by increasing the outside diameter of the rod and inserting grooves therein which provide cavities increasing the apparent surface emissivity of the rod.
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Etlinger Louis
Mayewsky Volodymyr Y.
Sanders Associates Inc.
Seligman Richard I.
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