H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 1/00 (2006.01) F24C 7/08 (2006.01) H05B 1/02 (2006.01) H05B 3/28 (2006.01)
Patent
CA 2180618
A pass thru food warming apparatus is shown with a housing defining open rear and front ends between which food products can be passed. A generally horizontal grate extends between the open rear and front ends of the housing and on which the food products can be supported. A heating platform is mounted beneath the grate for warming the food products supported by the grate. The heating platform includes a generally horizontal top plate, a radiant heater and sensor assembly immediately beneath the top plate for heating the top plate, and a generally horizontal bottom plate spaced beneath the heating device to define a cooling chamber therebetween. The heater and sensor assembly includes a substrate having a select size and shape defining a plurality of heated zone areas. An elongate foil heater conductor is secured to the substrate in each zone area. The heater conductor extends about the substrate in a first select pattern to generate heat proximate thereto. An elongate foil sensor conductor is secured to the substrate in each zone area. The sensor conductor extends about the substrate proximate the heater conductor in a second select pattern, generally similar to the first select pattern, so that the sensor conductor senses temperature of the entire zone area.
Finlayson & Singlehurst
Prince Castle Inc.
LandOfFree
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