Humidification controlling system with an ultrasonic humidifier

Details Humidification controlling system with an ultrasonic humidifier Humidification controlling system with an ultrasonic humidifier

1987-06-08

1989-02-28

Wayner, William E.

Automatic temperature and humidity regulation

Humidity control

261DIG48, 310314, B01F 302

Patent

active

048078107

ABSTRACT:
The humidity within a controlled chamber is detected with a humidity detector, the proportional value, integrated value and differentiated value of the difference between the detected signal and a preset objective value signal are added to be an operation amount signal and an oscillator of an ultrasonic humidifier is oscillated with an amplitude adjusted in response to this operation amount signal to keep the humidity within the controlled chamber constant.

REFERENCES:
patent: 3114091 (1963-12-01), Edwards
patent: 3490697 (1970-01-01), Best, Jr.
patent: 3743868 (1973-07-01), Kawada
patent: 4029064 (1977-06-01), Csaszar et al.
Mini-And Microcomputer Control in Industrial Processes Skrokov, 1982, p. 82.
Control Engineers Handbook, Truxal, 1958, pp. 6-12, 6-13.
Process Instruments and Controls Handbook, Considine, 1958, pp. 11-26.

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