公开(公告)号：US20230138791A1

公开(公告)日：2023-05-04

申请号：US17802738

申请日：2020-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Sang Hyuk SON ,  Seok-Ho CHOI ,  Si Young OH ,  Juhyun KIM

IPC: F04D29/38 ,  F04D25/06 ,  F04D19/00 ,  F04D29/52 ,  B01D46/00

Abstract: Disclosed is an invention related to a fan module, and a portable air purifier having same. The disclosed invention has a front end protrusion part provided on the rotation-directional front end of a fan blade provided on a fan, wherein the front end protrusion part protrudes forward in the rotational direction, from the rotation-directional front end of the fan blade, and at least a portion of the front end protrusion part further protrudes forward in the rotational direction than a connection point of a shroud and the rotation-directional front end of the fan blade.

公开(公告)号：US20230045895A1

公开(公告)日：2023-02-16

申请号：US17793114

申请日：2020-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Si Young OH ,  Seok-Ho CHOI ,  Sang Hyuk SON ,  Juhyun KIM

IPC: F24F13/20 ,  F24F13/28 ,  F24F3/16

Abstract: The present disclosure relates to a portable air purifier and the fan module provided therin. In the disclosed invention, the portable air purifier includes a fan module that is disposed between a discharge surface and a filter, and suctions air having passed through the filter, in an axial direction, and discharges the air in a direction between the axial direction and a radial direction.

公开(公告)号：US20230066531A1

公开(公告)日：2023-03-02

申请号：US17792935

申请日：2020-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Juhyun KIM ,  Seok-Ho CHOI ,  Si Young OH ,  Sang Hyuk SON

IPC: F24F13/28 ,  F04D17/06 ,  F04D25/16 ,  F04D29/60 ,  F04D29/70 ,  F24F13/20 ,  F24F3/16

Abstract: The present disclosure relates to a portable air purifier. In the portable air purifier, a fan base is disposed between a fan module including a mixed flow fan and a filter, and forms a passage that connects between the filter and the fan module while coupling the filter and the fan module. Accordingly, the portable air purifier can ensure improvement in air purification performance with no increase in the size of the portable air purifier.

公开(公告)号：US20230102091A1

公开(公告)日：2023-03-30

申请号：US17801398

申请日：2020-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Juhyun KIM ,  Seok-Ho CHOI ,  Si Young OH ,  Sang Hyuk SON

IPC: B01D46/00 ,  F24F8/108 ,  F24F13/20 ,  B01D46/42 ,  F04D25/06 ,  F04D29/42 ,  F04D25/08

Abstract: The present disclosure relates to a portable air purifier. The portable air purifier includes: a fan case having a narrow width portion at the front thereof and a wide width portion at the rear thereof, the narrow width portion including a space the radiuswise width of which is less than the radiuswise width of the wide width portion, and a fan blade protruding centrifugally further than the space formed inside the narrow width portion while being disposed at the wide width portion.