| 摘要 |
PURPOSE:To enable a humidifying operation to be performed under utilization of drain water by a method wherein a characteristic of deformation of a shape memory alloy is utilized. CONSTITUTION:When a shape memory alloy is heated with hot air generated from an indoor aeration circuit 5, a recovering force of the shape memory alloy is generated, so that a U-shaped wire shape memory alloy slide 24 is up to open in a U-shape, resulting in generating a vertical force A pushing a wheel 18 along spokes 20 in an outward direction and this force is divided into the central force B and the tangential force C. At the rear surface of the indoor unit 1, it is cooled by the room temperature, strength such as an elastic modulus or a yield stress and the like is low under a temperature less than that of deformation of shape of U-shaped wire shape memory alloy 22, a deformation of the unit is generated under an opposed biasing spring, the central force B is eliminated under a force acting on the U-shaped wire memory alloy 22 oppositely arranged in the indoor aeration passage 5 and then it is strained by an amount of delta. The tangential force C is remained as a force for rotating the wheel 18 and its continuous rotation can be performed. In this case, the wheel 18 is eccentrically arranged in respect to the humidifying part 4 and as it is rotated, the drain water is discharged through a discharging pipe 17 and discharged onto the upper surface of the indoor heat exchanger 6 to humidify the indoor.
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