Humidifier and automatic control system therefor

Details Humidifier and automatic control system therefor Humidifier and automatic control system therefor

1976-03-30

1978-07-04

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Liquid tank

55227, 55245, 55248, 55274, 128192, 137558, 219275, 261142, 261DIG65, B01F 304, A61M 1500

Patent

active

040988538

ABSTRACT:
A humidifier system for delivering breathing gases such as air or oxygen from a respirator, anesthesia machine, oxygen source, or the like to a patient under controlled conditions of temperature and humidity is disclosed. The humidifier comprises a support housing adapted to receive a removable water tank, the housing also containing a low water sensing system, a water heating means, and a system for sensing and for regulating the temperature of the water in the tank. The tank includes an air inlet leading to a diffuser chamber, from which air flows through a diffuser plate, through the water to the humidifier, and thence to an outlet for delivery to the patient. The diffuser plate incorporates a plurality of cone-shaped apertures which create air turbulence in the water so that as the breathing gases are forced through the water tank under positive pressure, the gases are uniformly heated and humidified prior to delivery.

REFERENCES:
patent: 1642051 (1927-09-01), Wall
patent: 1731779 (1929-10-01), Houston
patent: 3348330 (1967-10-01), Gilliam
patent: 3490752 (1970-01-01), Danjes et al.
patent: 3757082 (1973-09-01), Goicoechea
patent: 3793810 (1974-02-01), McPhee
patent: 3806102 (1974-04-01), Valenta et al.
patent: 3864440 (1975-02-01), Goicoechea
patent: 4028444 (1977-06-01), Brown et al.

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