公开(公告)号：US20220209597A1

公开(公告)日：2022-06-30

申请号：US17524938

申请日：2021-11-12

Applicant: LG Electronics Inc.

Inventor： Inbum PARK ,  Bokann PARK ,  Chisung PARK ,  Donghyun LEE

IPC: H02K1/27 ,  H02K1/28 ,  H02K7/02 ,  F25B31/02 ,  F04B35/04 ,  F04B53/14 ,  F04B53/16

Abstract: A hermetic compressor includes an electric motor that includes a rotor having a plurality of permanent magnets inserted into a rotor core, a connection part made of a non-magnetic material and provided at an axial end portion of the rotor core, and an inertial core made of a magnetic material and provided at an axial end of the connection part. The connection part includes a plurality of first fixing portions, a plurality of second fixing portions spaced apart from the plurality of first fixing portions in an axial direction, and a plurality of link portions disposed between the plurality of first fixing portions and the plurality of second fixing portions.