| 摘要 |
A radiant space heating element (12) in the shape substantially of an equilateral triangle for providing uniform distribution of heat by radiation from an interior space (32) that is a passage for an energy source such as hot water, steam, hot stack gases or any other source of infrared energy. The heating element (12) has two radiating surfaces which meet at a vertex (20) so that there is a substantial uniformity of temperature over an area on either side of a line directly under the heating element which is nearly equal to five times the separation of the heater element from the surface. The heating element (12) has insulation (14), a web element (36) that acts both to support the insulation (14) and as a reflector, and a bracket (16).
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