| 20080223846 | Electrical heating apparatus - An electrical heating apparatus having an emitting surface, in particular in the form of a panel. It comprises a heating device having a vessel receiving a small volume of low-boiling-temperature phase-transition liquid, and an electrical heating body for the liquid in the vessel, a closed casing forming the emitting surface, surmounting the vessel and in communication with the latter to form a pressure-resistant hermetic enclosure for the liquid vapour and the condensate. | 09-18-2008 |
