公开(公告)号：US20200245512A1

公开(公告)日：2020-07-30

申请号：US16750275

申请日：2020-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Joon KANG ,  Hyoseok LEE

IPC: H05K7/20 ,  G09F9/33 ,  G09F9/35 ,  H05K5/00

Abstract: The present disclosure relates to a display device, which may include a case having a front surface on which a display screen is displayed, a rear surface opposite to the front surface, a top surface connecting upper ends of the front surface and the rear surface, and a bottom surface opposite to the top surface, a display panel accommodated in the case, a heat exchanger mounted inside the case and configured to cause heat exchange between internal air circulating along front and rear surfaces of the display panel and external air introduced from outside of the case, and a suction fan mounted inside the case and configured to suck the external air into a lower portion of the heat exchanger.

公开(公告)号：US20200244123A1

公开(公告)日：2020-07-30

申请号：US16749066

申请日：2020-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Joon KANG

IPC: H02K1/32 ,  H02K1/27 ,  H02K5/173 ,  H02K5/20 ,  H02K9/19

Abstract: The present disclosure relates to an electric motor that may include: a housing; a stator having a stator core and provided in the housing; a rotor having a rotor core, and mounted inside the stator with an air gap therebetween to be rotatable with respect to a rotating shaft; and a plurality of cooling fluid grooves provided on a circumferential surface of the rotor core, so as to make a cooling fluid flow to the air gap, allowing cooling performance on a surface of the rotor core to be enhanced.

公开(公告)号：US20200244124A1

公开(公告)日：2020-07-30

申请号：US16750174

申请日：2020-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Joon KANG ,  Jinho YOON

IPC: H02K1/32

Abstract: The present disclosure relates to an electric motor that may include a housing provided therein with an accommodating space; a stator having a stator core and provided in the accommodating space of the housing; a rotor having a rotor core and rotatably mounted inside the stator with an air gap therebetween; a rotating shaft provided therein with a hollow portion and having a plurality of rotating shaft injection holes formed at a central portion thereof, so that a cooling fluid introduced into the hollow portion is sprayed through the plurality of rotating shaft injection holes into the rotor core; and a plurality of cooling passages provided in the rotor core, and having one side thereof communicating with each of the plurality of rotating shaft injection holes and another side thereof communicating with the accommodating space, so that the cooling fluid is sprayed in different directions toward opposite ends to a central portion of the rotor core.