Portable humidifier

Details Portable humidifier Portable humidifier

1990-08-01

1991-11-19

Walberg, Teresa J.

Electric resistance heating devices

Heating devices

Vaporizer

392394, 392401, 392403, 392405, H05B 378, H05B 110, F22B 116

Patent

active

050671693

ABSTRACT:
A humidifier includes a base defining a boiler cavity, a liquid supply being supported on the base and having a discharge opening communicating with the boiler cavity and adapted to maintain a given level of liquid therein. An evaporation unit is removably mounted on the base and includes an electrically energized heater projecting into the cavity and a magnetically operated switch. A float includes a magnet which activates or deactivates a switch. A vapor passage discharges the vapor from the cavity.

REFERENCES:
patent: 2062613 (1936-12-01), Schleimer
patent: 2211407 (1940-08-01), Christensen
patent: 2369623 (1945-02-01), Utley
patent: 3781498 (1973-12-01), Kamil
patent: 3809374 (1974-05-01), Schossow
patent: 4487021 (1984-12-01), Arakawa
patent: 4612434 (1986-09-01), Ianitelli
patent: 4810854 (1989-03-01), Jursich
patent: 4959997 (1990-10-01), Aisa

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