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    FAN MOTOR AND MANUFACTURING METHOD THEREFOR
    4.
    发明公开
    FAN MOTOR AND MANUFACTURING METHOD THEREFOR 审中-公开

    公开(公告)号：EP3618240A1

    公开(公告)日：2020-03-04

    申请号：EP18790307.5

    申请日：2018-04-19

    Applicant: LG Electronics Inc.

    Inventor： KIM, Taekyung ,  BAEK, Seungjo ,  SONG, Sungbae ,  LEE, Jeongho ,  JUNG, Younggyu ,  CHO, Seongho

    IPC: H02K7/14 ,  A47L9/22 ,  F01P11/10

    Abstract: A fan motor according to an embodiment includes a motor housing; a rotating shaft; a rotor mounted on the rotating shaft; a stator disposed within the motor housing to surround the rotor; an impeller having at least one blade formed on an outer surface of a hub connected to the rotating shaft; an impeller cover configured to surround an outer circumference of the impeller and having an air suction inlet formed therein, wherein the impeller cover includes a shroud with an inner diameter expands in an air flow direction; and a non-metallic coating layer coated on an inner circumferential surface of the shroud and having a lower strength than that of the blade, the non-metallic coating layer includes a first area having a first thickness; a second area having a second thickness thinner than the first thickness and having a stepped portion with the first area, thereby minimizing leakage flow caused by the pressure difference from a pressure-side surface to a suction-side surface of the blade to reduce flow path loss and improving efficiency of the fan motor.

    FAN MOTOR
    5.
    发明公开
    FAN MOTOR 审中-公开

    公开(公告)号：EP3570417A1

    公开(公告)日：2019-11-20

    申请号：EP18739214.7

    申请日：2018-01-16

    Applicant: LG Electronics Inc.

    Inventor： JUNG, Younggyu ,  BAEK, Seungjo ,  CHO, Seongho

    IPC: H02K9/06 ,  H02K7/14 ,  A47L5/22 ,  F16C37/00

    Abstract: The present embodiment comprises: a motor body having a space formed therein; a rotary shaft assembly having a rotor and a bearing mounted on the rotary shaft assembly having a rotor and a bearing mounted on a rotary shaft; a stator installed in a motor housing so as to surround the rotor; an impeller connected to the rotary shaft; and a bracket installed on the motor body and having a bearing housing portion for receiving the bearing, wherein the bearing housing portion has a bearing heat dissipating flow path through which air flowing by means of the impeller is exhausted to the outside of the bearing housing portion after passing between the outer surface of the bearing and the bearing housing portion. Thus, the air blown from the impeller can absorb heat of the bearing by being in direct contact with the outer surface of the bearing while passing through the bearing heat dissipating flow path, and there is an advantage in that better heat dissipating performance is achieved by the air through a heat sink surrounding the bearing.

    AIR CONDITIONER
    7.
    发明公开
    AIR CONDITIONER 审中-实审

    公开(公告)号：EP4379285A1

    公开(公告)日：2024-06-05

    申请号：EP23213620.0

    申请日：2023-12-01

    Applicant: LG Electronics Inc.

    Inventor： KIM, Taekyung ,  BAEK, Seungjo ,  SONG, Youjoon

    IPC: F24F13/22 ,  F24F13/24

    CPC classification number: F24F13/222 ,  F24F13/24 ,  F24F2013/22720130101

    Abstract: An air conditioner is disclosed. The air conditioner includes a case including an inlet and an outlet formed therein, a blowing fan disposed in the case to blow air from the inlet to the outlet, a heat exchanger disposed in the case to exchange heat with air flowing in the case, a drain pan disposed below the heat exchanger to collect condensed water falling down from the heat exchanger, and a drain pump disposed on one side of the drain pan to discharge condensed water collected in the drain pan to the outside of the case. When the level of the condensed water reaches the reference level, the drain pump is turned on.

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