Heat exchange – Regenerator – Checker brick structure
Patent
1977-04-29
1979-05-29
Myhre, Charles J.
Heat exchange
Regenerator
Checker brick structure
165 12, 165 18, 165 26, 165 50, 165 61, 99324, 99326, 99332, F25B 1300, F25B 2900
Patent
active
041564545
ABSTRACT:
An oven, which maintains food at a low temperature to preserve its properties for subsequent unattended cooking at high oven temperatures, is cooled and heated by a flowing liquid thermal exchange fluid which is cooled and heated by flowing through thermal sources separate from the oven. Within a food processing compartment of the oven, heat is exchanged between an enclosed chamber heat exchanger and the food by air convection.
In a preferred embodiment, the oven is one of a plurality of domestic appliances similarly heated and cooled by a liquid thermal exchange fluid. The oven and the other appliances share in common an assembly of thermal reservoirs which provides thermal exchange fluid under pressure at substantially the temperatures of the thermal reservoirs which include a hot and a cold reservoir. The oven controls heating and cooling of the food processing compartment by positioning selector valves which admit thermal exchange fluid from one of the thermal reservoirs and by adjusting a regulator valve to control flow through the enclosed chamber. The selector and regulator valves are controlled in response to a computer and a temperature sensor to attain predetermined temperature levels in the food processing compartment which include cold to preserve food properties and hot to desirably alter the food properties.
REFERENCES:
patent: 3237415 (1966-03-01), Newton
patent: 3267689 (1966-08-01), Liebert
patent: 3608627 (1971-09-01), Shevlin
patent: 3952794 (1976-04-01), Spanoudis
LaTulin Margaret
Myhre Charles J.
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