Electric resistance heating devices – Heating devices – Convection space heater
Patent
1989-03-09
1991-01-22
Bartis, Anthony
Electric resistance heating devices
Heating devices
Convection space heater
126 92R, 2395533, 2395535, 392435, 392497, H05B 300, F23D 1300, F24H 304, F24C 700
Patent
active
049872907
ABSTRACT:
An infrared panel heater includes a housing having a gas inlet and a gas discharge opening covered by a porous metal panel. An electric heating element is disposed in the housing between the panel and the gas inlet for heating the panel for emission of infrared radiation therefrom. A plurality of spaced, parallel gas stream distributor plates are disposed in the housing between the heating element and gas inlet and are each provided with a plurality of openings forming the sole flow path for gas from the inlet to the discharge opening. The openings in each plate are uniform in diameter with the diameter of the openings in the respective plates decreasing as the plate is situated closer to the heating element so that a uniform gas distribution is achieved across the entire panel area. The outer surface of the panel may be coated with a porous ceramic infrared emitting layer. The center of the openings in adjacent plates are unaligned in the direction of gas flow and the total area of the openings in any one plate is equal to that of any other plate. The heating element may be in contact with the metal panel.
REFERENCES:
patent: 2511380 (1950-06-01), Stadler
patent: 3736095 (1973-05-01), Leatherby
patent: 3996025 (1976-12-01), Gulden
patent: 4164642 (1979-08-01), Ebert
Bartis Anthony
Senju Metal Industry Co. Ltd.
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