F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
309/47
F24H 3/00 (2006.01)
Patent
CA 2007875
Electric heating apparatus ABSTRACT Electric heating apparatus comprising at least one electrical heating resistor (24) arranged in a body (1) of sheet metal provided with an air inlet in its lower part and an air outlet in its upper part, charac- terized in that the body (1) is formed by a double-walled hollow element in the form of a trough (2, 3) provided with end walls (14, 15) and at least one opening (12) for the entry of air and defining a first space (20) for the admission of air, in that the electrical resistor (24) is mounted on the concave part of the double-walled element in the form of a trough (2, 3) on the exterior of the latter, a perforated panel (30) being arranged on the said concave wall and defining with the latter a second space (33) for the heating of the air by convection and for the direct radiation of the heat by the resistor through the perforations in the perforated panel, at least one opening (35, 36) being made in the said hollow element (2, 3) in order to put the first and second spaces (20, 33) in communication and at least one passage (31c) for the discharge of hot air being provided between the hollow element (2, 3) and a lateral edge of the perforated panel (30).
Airelec Industries
Levy Pierre
Robic Robic & Associes/associates
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