Humidifier for a proof box

Details Humidifier for a proof box Humidifier for a proof box

A - Human Necessities

21

B

309/35

A21B 3/04 (2006.01) A21C 13/00 (2006.01)

Patent

CA 1118025

ABSTRACT A fast warmup, high capacity, no splash, self-cleaning humidifier for a proof box. The device has an aluminum steam generating heater pan including at least one electrical heating element cast into its base. A reservoir and a float controlled valve attached to the heater pan by a dog leg conduit keeps the level of water in the heater pan at a depth of about one-half inch. The heater pan is mounted for rotation about a horizontal axis, and a drip pan is located beneath the heater pan. For cleaning of accumulated minerals, scale and the like from the heater pan, the heater pan is allowed to heat to over 212° F. while dry. Cooler water from the reservoir is then suddenly added to the hot, dry heater pan resulting in the removal of said accumulated minerals, scale and the like from the heater pan due to thermal shock and the vigorous boiling of the added water. The contents of the heater pan are then dumped into the drip pan by rotating the heater pan about said horizontal axis. 23

315537

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