Gas and liquid contact apparatus – Fluid distribution – Valved
Patent
1979-02-15
1979-10-23
Chiesa, Richard L.
Gas and liquid contact apparatus
Fluid distribution
Valved
128186, 128192, 261 72R, 261104, 261154, 261DIG65, A61M 1500, B01F 304
Patent
active
041721055
ABSTRACT:
A previously disclosed cartridge type humidifier apparatus including a separate heater module with a cylindrical opening for replaceably receiving therein disposable cylindrical humidifier cartridge modules, having a housing containing a replenishable water supply, is employed as a water supply source for producing an aerosol with an oxygen supply for pediatric inhalation therapy. The cartridge modules each have a tubular metal main body adapted for a sliding fit within a complimentary tubular walled heater. The metal tubular body has rigid plastic top and bottom end portions. The plastic top end portion is a cap with a center axial gas inlet tube, and a separate transverse gas delivery pipe, the cap forming a closed air space over a pool of humidifying liquid. Each cartridge includes an absorption column, preferably of the cylindrical tube form which is adapted to lay closely adjacent and draw water up along the cartridges cylindrical metal body which serves as the evaporating surface when heated by the heater modules. The gas to be humidified is dispersed within a hollow chamber formed between the gas inlet pipe projecting concentrically into the cartridge, and the radially spaced wall of the main cartridge body and absorption column. The inlet tube terminates above the water. The water is introduced into the lower end portion of the apparatus.
REFERENCES:
patent: 3771721 (1973-11-01), Van Amerongen
patent: 3807713 (1974-04-01), Cornett et al.
patent: 3851645 (1974-12-01), Connel
patent: 3874379 (1975-04-01), Enfield et al.
patent: 4010748 (1977-03-01), Dobritz
patent: 4110419 (1978-08-01), Miller
Foley Martin
Miller Kenneth G.
Chiesa Richard L.
Nigon Joseph P.
Respiratory Care, Inc.
Schellin Eric P.
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