Magnetic sorption self cooling and self heating containers

Details Magnetic sorption self cooling and self heating containers Magnetic sorption self cooling and self heating containers

1992-07-27

1993-07-27

Capossela, Ronald C.

Refrigeration

Chemical reaction or solids dissolving

126263, 16510412, F25D 500

Patent

active

052302164

ABSTRACT:
The invention consists of sorption self cooling and self heating containers in which magnetic means are used to activate the containers. Water in an air evacuated chamber boils at low temperature and cools its surroundings. The vapor generated by the low boiling point liquid is removed by sorption by a desiccant placed in a separate chamber. The sorbed vapor heats the desiccant and it surroundings. The temperature changing potential of the device can be preserved indefinitely by a movable magnet-responsive iron barrier which prevents a communication between the liquid and desiccant chambers. The temperature changer is activated by an outside magnet which moves the magnet-responsive barrier.

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patent: 4850424 (1989-07-01), Mitani et al.
patent: 4911740 (1990-03-01), Schieder

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