Humidifying apparatus

Details Humidifying apparatus Humidifying apparatus

1989-09-27

1991-10-29

Walberg, Teresa J.

Electric resistance heating devices

Heating devices

Vaporizer

392395, F22B 128

Patent

active

050621459

ABSTRACT:
A humidifier of small gases passageway volume (of the order of 50 ml gases space) has a heater within a water containing envelope having a microporous wall common to the water space within the envelope and the gases space, the microporous wall being permeable to water vapour but not liquid water and the envelope being reinforced by a support which also directs the flow of gases over the surface of the envelope. The heater is wound as a flat spiral to avoid the effect of gases or water vapour bubbles on heater performance temperature.

REFERENCES:
patent: 2236359 (1941-03-01), Armstrong
patent: 3616796 (1971-11-01), Jackson
patent: 3871373 (1975-03-01), Jackson
patent: 4101294 (1978-07-01), Kimura
patent: 4532088 (1985-07-01), Miller
patent: 4638147 (1987-01-01), Dytch
patent: 4680445 (1987-07-01), Ogawa
patent: 4753758 (1988-06-01), Miller
patent: 4910384 (1990-03-01), Silver
patent: 4913140 (1990-04-01), Orec et al.

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