F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
F24H3/00—Air heaters
F24H3/02—Air heaters with forced circulation
F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
Procédé et appareil de chauffage d'un produit diélectrique ou pratiquement diélectrique et emploi dudit appareil pour le chauffage notamment de fluide caloporteur
Procede de realisation de resistances metalliques munies d'une pellicule isolante peripherique sans apport de matiere et resistances de valeurs precises obtenues selon ce procede