Buried type air purifier
    5.
    发明授权

    公开(公告)号:US12298036B2

    公开(公告)日:2025-05-13

    申请号:US17867916

    申请日:2022-07-19

    Abstract: A buried type air purifier including a main body to be buried in a buried space through a buried opening provided on a boundary surface between a use space and the buried space, the main body having an intake passage and a discharge passage which take in and discharge air, respectively; a fan to guide air of the use space along the intake passage and the discharge passage; and a filter to filter the air. The main body includes: a first main body part having a fan accommodating part to accommodate the fan; and a second main body part having a cross sectional area, which is parallel with the boundary surface, being smaller than the first main body part, where the second main body part is formed to pass the intake and discharge passages through which the air guided via the fan accommodated in the fan accommodating part passes.

    Double suction fan and air conditioner having the same

    公开(公告)号:US11525455B2

    公开(公告)日:2022-12-13

    申请号:US16697950

    申请日:2019-11-27

    Abstract: A double suction fan includes first and second rings spaced at a predetermined distance apart from and in parallel to each other, an intermediate plate disposed between the first and second rings and including a shaft hole, a plurality of first blades disposed between the first ring and the intermediate plate, a plurality of second blades disposed between the second ring and the intermediate plate, and first and second rotating hubs disposed on both side surfaces of the intermediate plate, wherein each of the first and second rotating hubs is formed of a plurality of hub plates which are disposed perpendicular to the intermediate plate around the shaft hole, and wherein the plurality of hub plates are formed to evenly distribute air introduced through the first and second rings in a longitudinal direction of the plurality of first and second blades when the intermediate plate rotates.

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