Humidifier

Details Humidifier Humidifier

1977-02-22

1979-02-13

Truhe, J. V.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

126113, 137392, 219271, 219272, F24F 314

Patent

active

041397622

ABSTRACT:
A humidifying device automatically controllable to discharge an abundant supply of steam into the outlet or plenum chamber of an associated air handling apparatus such as a forced air furnace in a home or other structure to provide and maintain a desired preselected humidity condition, which device includes a tank having a chamber for holding a supply of water to be vaporized, said tank having an inlet into said chamber through which water can flow, a valve associated with said inlet for regulating the inlet water flow and a conduit for connecting said valve to a source of water, a probe member mounted on the tank and extending downwardly therein from an upper location, a heating element extending into said chamber near the bottom thereof, a steam outlet near the top of the tank through which steam produced in the chamber can escape, a second conduit having one end connected to the steam outlet and an opposite open end for connection to the plenum chamber of the furnace in position to discharge steam from said outlet into the plenum chamber, an electrolytic substance in said chamber mixing with the water therein to improve the electrical conductivity thereof, and an electrical circuit associated with the device for controlling the operation thereof, said control circuit including a first circuit portion including the probe operatively connected to the water valve to control the opening and closing thereof, said first circuit portion including a circuit connection established when the water in the tank comes into contact with the probe to close the water valve, and a second circuit portion including a humidistat for controlling the energizing of the heating element to vaporize the water in the chamber and produce steam, said second circuit portion including connections for simultaneously energizing a blower of the furnace to assure that steam fed into the plenum chamber will be introduced into a moving air stream. The present device may also include a delay mechanism connected in said first circuit portion including an electrical circuit element operable to maintain the water valve in an open condition for a predetermined time interval after the water in the tank initially rises to a level such that it comes into contact with the probe.

REFERENCES:
patent: 2236359 (1941-03-01), Armstrong
patent: 2883511 (1959-04-01), Gooldy
patent: 3007178 (1961-11-01), Altman et al.
patent: 3170479 (1965-02-01), Mueller
patent: 3209125 (1965-09-01), Morrissey
patent: 3215416 (1965-04-01), Liben
patent: 3523175 (1970-08-01), Gygay
patent: 4027172 (1977-05-01), Hamelink

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