Electric heating – Metal heating – Of cylinders
Patent
1978-06-12
1980-01-22
Grimley, Arthur T.
Electric heating
Metal heating
Of cylinders
126198, 219 1055R, H05B 906
Patent
active
041849450
ABSTRACT:
An air flow system for use in a wall-mount microwave oven is disclosed. A housing of the microwave oven has an interior which is divided into a cooking cavity and an electronic component compartment. A front face of the housing is comprised of a movable door and a control panel. A circuit board for holding electronic components is mounted within the electronic component compartment so that it is spaced from the control panel. An air passageway is defined in the area between the control panel and the circuit board. An air inlet is disposed adjacent an upper end of the control panel for admitting air into the electrical component compartment and an air outlet is disposed adjacent a lower end of the control panel for allowing air to exit from the electrical component compartment. A blower draws air in through the air inlet, and forces the air through the electrical component compartment, and out the air outlet. A mechanism diverts a portion of the air being drawn in through the inlet to the air passageway. Air also is directed through the electronic component compartment past the magnetron and the transformer. A duct mechanism carries air from the electronic component compartment to the air outlet.
REFERENCES:
patent: 3057341 (1962-10-01), Perl
patent: 3430023 (1969-02-01), Tingley
patent: 3711673 (1973-01-01), Takeda et al.
patent: 3835283 (1974-09-01), Suzuki
patent: 3889100 (1975-06-01), Dills
patent: 3911893 (1975-10-01), Baker et al.
patent: 4096369 (1978-06-01), Tanaka et al.
Kullman William G.
Marfatia Anil
Morgan Thomas J.
Grimley Arthur T.
Litton Systems Inc.
Lowe Robert E.
Niegowski James A.
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