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风扇电机降噪装置及具有该装置的真空吸尘器
Fan motor noise reduction device and vacuum cleaner with the same
US-7788763-B2一种降低真空吸尘器风扇电机噪音的装置。
专利摘要
一种真空吸尘器，包括产生气流的风扇电机、容纳风扇电机的主体、使主体平滑移动的轮子、从主体延伸的柔性连接软管、连接至连接孔的可伸缩延伸管、连接至延伸管端部以吸入外部空气的吸嘴、围绕风扇电机设置以吸收风扇电机产生的噪音的内吸音构件、围绕内吸音构件设置以封闭风扇电机的壳体，该壳体设置有空气孔，空气通过该空气孔在风扇电机的侧向方向上排出，以及围绕壳体设置以吸收风扇电机产生的噪音的外吸音构件。
Original abstractA vacuum cleaner includes a fan motor generating air current, a main body receiving the fan motor, a wheel allowing the main body to smoothly move, a flexible connecting hose extending from the main body, an expandable extending tube connected to the connecting holes, a suction nozzle connected to an end of the extending tube to suck outer air, an inner sound absorption member disposed around the fan motor to absorb noise generated by the fan motor, a casing disposed around the inner sound absorption member to enclose the fan motor, the casing being provided with an air hole through which the air is exhausted in a side direction of the fan motor, and an outer sound absorption member disposed around the casing to absorb the noise generated by the fan motor.
专利附图（8）
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