Air purifier
    1.
    发明授权

    公开(公告)号:US11306931B2

    公开(公告)日:2022-04-19

    申请号:US16251150

    申请日:2019-01-18

    Abstract: A humidifying air purifier includes a body frame having an opened front and rear, a fan housing coupled to a rear end of the body frame and having a fan intake, a housing cover coupled to a rear end of the fan housing to accommodate an air blowing fan, and an air discharge port formed at an upper end of the fan housing and an upper end of the housing cover. A waterwheel motor is installed on a front surface of the fan housing and positioned outside the fan intake, a driving gear is coupled to the waterwheel motor, a door assembly is configured to be pushed into or drawn out from a front end of the body frame, a water tub is accommodated in a lower side of the door assembly, and a humidifying filter assembly is inserted into the water tub.

    Impeller and method of manufacturing the same

    公开(公告)号:US11578605B2

    公开(公告)日:2023-02-14

    申请号:US17171371

    申请日:2021-02-09

    Abstract: The present disclosure relates to an impeller and a method of manufacturing the same. The impeller includes: a hub in which a plurality of spiral first slots are formed; a shroud which is positioned opposite the hub, and has a plurality of spiral second slots formed therein; and a plurality of blades which is coupled to the hub and the shroud, and have an upper protrusion formed on one side and a lower protrusion formed on the other side; and wherein the upper protrusion is inserted into and coupled to a second hole formed in the second slot, and the lower protrusion is inserted into and coupled to a first hole formed in the first slot.

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