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    • 8. 发明授权
    • Low noise air cleaner
    • 低噪音空气净化器
    • US06361590B1
    • 2002-03-26
    • US09483492
    • 2000-01-14
    • Duane L. Gilbert, Jr.Stephen M. Gatchell
    • Duane L. Gilbert, Jr.Stephen M. Gatchell
    • B01D4602
    • B01D46/24B01D46/0043B01D2273/30Y10S55/21
    • A portable air cleaner including a housing defining an air inlet, an air outlet, and an air flow path therebetween, a centrifugal blower retained within the air flow path and operable to draw air through the inlet and a filter retained within the housing and disposed to transmit air circulating in the air flow path out of the outlet. Also included is a conveyor surrounding the blower and defining a scroll shaped passage having one end disposed to receive air from the blower and an opposite end disposed to discharge air into the filter, the conveyor being shaped and arranged to obstruct all rectilinear paths between the blower and the opposite end.
    • 一种便携式空气净化器,包括限定空气入口的壳体,空气出口和其间的空气流动路径,离心鼓风机保持在所述空气流动路径内并且可操作以将空气抽吸通过所述入口,并且过滤器保持在所述壳体内并且被设置为 将在空气流路中循环的空气传送出出口。 还包括围绕鼓风机的输送机并且限定涡旋形通道,其一端设置成从鼓风机接收空气,相对端设置成将空气排放到过滤器中,输送机被成形和布置成阻碍吹风机之间的所有直线路径 和另一端。