| 摘要 |
<p>A radiant electric heater comprises a dish-like support (1) containing a base layer (2) of thermal and electrical insulation material and having supported therein one or more radiant electric heating elements (3). A metal grid or mesh (6) overlies the base layer and is spaced from the one or more heating elements, and at least one spacer (7) is provided inside the dish-like support and cooperating with the metal grid or mesh. The at least one spacer (7) is engaged in the base layer (2) of insulation material and extends between the metal grid or mesh (6) and the dish-like support (1) and/or the base layer (2) of insulation material. <IMAGE></p> |
