Portable cooling apparatus

Details Portable cooling apparatus Portable cooling apparatus

A - Human Necessities

61

F

62/1

A61F 7/10 (2006.01) F25B 5/00 (2006.01) F25B 41/04 (2006.01) F25D 15/00 (2006.01) F25D 21/08 (2006.01) A61F 7/00 (2006.01)

Patent

CA 1064717

IMPROVED PORTABLE COOLING APPARATUS Abstract of the Disclosure An improved portable apparatus for cooling a warm body portion and having at least one flexible pad and tubing fox refrigerant, a compressor for liquifying the refrigerant composition, and a condenser, includes an auxiliary evaporator, a by-pass pipe for the refrigerant composition extending between the compressor and the auxiliary evaporator, and a thermostatically actuated valve cooperating with the pipe to selectively by-pass the flexible pad and tubing. In a preferred apparatus, a resistive heating element is secured in the pad adjacent the tubing so that the device may be selectively utilized for heating. In yet another preferred embodiment the apparatus includes a positive pressure device for maintaining a selected refrigerant pressure in the system and to prevent a possible vacuum in the pad tubing.

287682

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