公开(公告)号：US20180351431A1

公开(公告)日：2018-12-06

申请号：US15674721

申请日：2017-08-11

Applicant: LG ELECTRONICS INC.

Inventor： Seongguk KIM ,  Hosuk KIM ,  Heewoon KIM ,  Youngjin JI

IPC: H02K5/20 ,  H02K5/15 ,  H02K5/16

Abstract: A motor includes a housing that has a bottom with a first bearing accommodation and a cylindrical side surface portion which extends from the bottom; a rotor assembly with a rotation shaft, and a rotor mounted on the rotation shaft and accommodated inside the housing; a stator assembly accommodated inside the housing and surrounding the rotor; a housing cover coupled to an upper end of the housing and having a second bearing accommodation; a flow guide on the housing cover; an impeller connected to the rotation shaft over the flow guide; an impeller cover; a first bearing accommodated in the first bearing accommodation and receiving the rotation shaft; and a second bearing accommodated in the second bearing accommodation and receiving the rotation shaft, the housing cover having a cover body with an opening, connection arms between the second bearing accommodation and the opening portion, and a guide rib.

公开(公告)号：US20250003419A1

公开(公告)日：2025-01-02

申请号：US18705787

申请日：2021-12-16

Applicant: LG Electronics Inc.

Inventor： Mingyu KIM ,  Youngjin JI ,  Honghyun KIM ,  Gyujong JEONG ,  Jinsub LIM

IPC: F04D29/28 ,  F04D25/06 ,  F04D29/056 ,  H02K7/00 ,  H02K7/08

Abstract: A motor is provided. The motor according to an aspect of the present disclosure comprises a housing, a bearing disposed in the housing, a rotating shaft rotatably coupled to the bearing, an impeller cover disposed on an upper part of the housing, an impeller disposed inside the impeller cover and coupled to the rotating shaft, a magnet coupled to a lower area of the rotating shaft, a stator coupled to the housing and facing the magnet, and a coil wound around the stator. In this case, the impeller includes a body, a plurality of blades formed on an outer peripheral surface of the body, a plurality of grooves concavely formed upward from a lower surface of the body, and a coupling hole formed in a central area of the body and in which the rotating shaft is disposed.

公开(公告)号：US20200076268A1

公开(公告)日：2020-03-05

申请号：US16676739

申请日：2019-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Seongguk KIM ,  Hosuk KIM ,  Heewoon KIM ,  Youngjin JI

IPC: H02K5/20 ,  H02K5/15 ,  F04D17/16 ,  H02K9/06 ,  A47L9/22 ,  H02K5/16

Abstract: A motor includes a housing that has a bottom with a first bearing accommodation and a cylindrical side surface portion which extends from the bottom; a rotor assembly with a rotation shaft, and a rotor mounted on the rotation shaft and accommodated inside the housing; a stator assembly accommodated inside the housing and surrounding the rotor; a housing cover coupled to an upper end of the housing and having a second bearing accommodation; a flow guide on the housing cover; an impeller connected to the rotation shaft over the flow guide; an impeller cover; a first bearing accommodated in the first bearing accommodation and receiving the rotation shaft; and a second bearing accommodated in the second bearing accommodation and receiving the rotation shaft, the housing cover having a cover body with an opening, connection arms between the second bearing accommodation and the opening portion, and a guide rib.