AIR-CONDITIONER

PURPOSE:To obtain an air-conditioner capable of detecting an abnormality, which was impossible substantially so far, and informing abnormal condition when trouble is generated in an air feeding or air discharging fan or disconnection and/or the lack of phase is generated in wirings to the fans and n...

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Bibliographic Details
Main Author SUGINO MASAHIKO
Format Patent
LanguageEnglish
Published 05.08.1992
Subjects
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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Summary:PURPOSE:To obtain an air-conditioner capable of detecting an abnormality, which was impossible substantially so far, and informing abnormal condition when trouble is generated in an air feeding or air discharging fan or disconnection and/or the lack of phase is generated in wirings to the fans and normal amount of air is not obtained. CONSTITUTION:A supplying air flow rate sensor 21 is provided in an air feeding port 1a, through which outdoor air is supplied into a room by an air feeding fan 1, while a discharging air flow rate sensor 22 is provided in an air discharging passage 2a, through which indoor air is discharged to the outside of the room by an air discharging fan 2. When the flow rates of air, detected by the supplying air flow rate sensor 21 or the discharging air flow rate sensor 22 is lower than a predetermined flow rate corresponding to frequencies outputted to said air feeding fan 1 and air discharging fan 2 from the air feeding fan driving means 26 and air discharging fan driving means 27 based on the detecting values of said suction and discharging air flow rate sensors 21, 22, stopping due to abnormality as well as the information of abnormality are effected.
Bibliography:Application Number: JP19900400351