| 摘要 |
a. Device for electric heating by radiation being composed of a housing made of sheet metal, of an electrical resistance placed inside the housing and of a thermal insulator. b. Device characterised in that the rear face 3 of the housing 1 comprises, on its internal portion, a coating 9 capable of promoting reflection of the radiation, whereas the front face 2 of the housing 1 comprises, on its internal portion, a coating 10 capable of preventing the reflection of the radiation towards the inside of the housing and of promoting its absorption by the sheet metal, accelerating in parallel the heating of the front face 2 of the housing 1. c. The invention applies to the heating of premises. <IMAGE>
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