Air conditioner humidity control system

Details Air conditioner humidity control system Air conditioner humidity control system

1988-11-18

1989-08-01

Wayner, William E.

Refrigeration

Automatic control

Humidity sensor

165 21, 236 44A, B01F 302

Patent

active

048523631

ABSTRACT:
In an air conditioner for a motor vehicle, which, for the purpose of contling the humidity, has in the ir duct suitable devices, controlled by a microcomputer. The microcomputer receives values for outside temperature, inside temperature and inside humidity, measured by sensors. From the values for outside temperature, inside temperature and inside humidity, the microcomputer determines the threshold humidity (l.sub.thresh) as the ratio of the saturated vapor pressure (P.sub.S) inside at the pane and the saturated vapor pressure (P.sub.i) of the inside air. If this difference (.DELTA.l) between threshold humidity (l.sub.thresh) and inside humidity (l.sub.i) falls below a stipulated value (x), dehumidification devices are actuated. If the stipulated value is exceeded, humidification devices are actuated.

REFERENCES:
patent: 4424933 (1984-01-01), Sutoh et al.

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