Switching -over ventilation unit

The utility model relates to a switching -over ventilation unit sets up annular loop between the air intake C of fan and air outlet D, annular loop is last to be equipped with power -driven air valve I, power -driven air valve II, power -driven air valve III and power -driven air valve IV respective...

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Bibliographische Detailangaben
Hauptverfasser:	WANG DEHUA, ZHAO XU, LIN ZIMU, LI JIA, CAO YI, LIU GUOHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a switching -over ventilation unit sets up annular loop between the air intake C of fan and air outlet D, annular loop is last to be equipped with power -driven air valve I, power -driven air valve II, power -driven air valve III and power -driven air valve IV respectively, and wherein air intake C and power -driven air valve I and the pipeline of power -driven air valve between IV of fan communicate with each other, and the air outlet D of fan and power -driven air valve II and the pipeline of power -driven air valve between III communicate with each other, be equipped with vent B on power -driven air valve I and the pipeline of power -driven air valve between II, be equipped with vent A on power -driven air valve III and the pipeline of power -driven air valve between IV. This switching -over ventilation unit can realize self -commutation and manual directional the ventilation at the ventilation in -process to guarantee that the fan can carry out work with higher efficiency, the