Patent ID: 11909296
Assignee: LG ELECTRONICS INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC H  F | IPC H

Claim 16:
17. A compressor comprising:
one or more impellers for suctioning and compressing a refrigerant;
a motor rotating the impeller;
a rotation shaft to which the impeller and the motor are connected; and
a magnetic bearing supporting the rotation shaft in a radial direction crossing an axial direction of the rotation shaft,
wherein the magnetic bearing comprises:
a stator core disposed to surround a central axis;
a plurality of bobbins coupled to the stator core;
a coil wound around the bobbin; and
a positioning member coupled to the plurality of bobbins via a plurality of fasteners and determining positions of the plurality of bobbins,

wherein the positioning member comprises a plurality of coupling holes extending through an entire thickness of the positioning member,
wherein the positioning member has a circular shape centered on a central point, and
wherein the plurality of fasteners extend through the plurality of coupling holes and are inserted by passing from an outer surface of the positioning member into the plurality of coupling holes.