Domestic appliance system with thermal exchange fluid

Details Domestic appliance system with thermal exchange fluid Domestic appliance system with thermal exchange fluid

1977-10-05

1979-11-13

Davis, Jr., Albert W.

Heat exchange

Structural installation

Heating and cooling

62185, 126400, 165104S, F25B 2900

Patent

active

041739930

ABSTRACT:
A domestic appliance system and method are provided for storing and processing food by exchanging heat between the food and a latent heat storing material by forced circulation of a liquid thermal exchange fluid. A plurality of appliances, each having a single heat exchanger for receiving the thermal exchange fluid, connect across supply and return mains which contain the thermal exchange fluid at a differential pressure. Hot supply and return mains are part of a liquid thermal exchange fluid circuit which also includes a heat exchanger for exchanging heat with latent heat storing material in a hot reservoir, a pump, and the appliance heat exchangers with selector and regulator valves to control flow and temperature of thermal exchange fluid within the appliances. Cold supply and return mains are part of a similar liquid thermal exchange fluid circuit for exchanging heat between a cold latent heat storing material and a plurality of appliances. Moderate temperature supply and return mains are part of another similar circuit for exchanging heat in auxiliary heat sinks to deliver the thermal exchange fluid at moderate temperatures to a plurality of appliances during temperature transitions between hot and cold to conserve energy.
As the thermal exchange fluid is forced to circulate between selected appliances and independently selected thermal reservoirs or auxiliary heat sinks, food associated with the appliances is subject to programmed temperatures. The thermal reservoirs are charged at off-peak hours and have large thermal capacity and peak thermal delivery capability.

REFERENCES:
patent: 2052014 (1936-08-01), Chamberlain
patent: 3237415 (1966-03-01), Newton
patent: 3888303 (1975-06-01), Skala
patent: 4009368 (1977-02-01), Faivre et al.

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