Invention Grant
- Patent Title: Motor and manufacturing method of the same
-
Application No.: US16549583Application Date: 2019-08-23
-
Publication No.: US11431218B2Publication Date: 2022-08-30
- Inventor: Sunggi Kim , Byungjik Kim , Changlae Kim
- Applicant: LG Electronics Inc.
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Fish & Richardson P.C.
- Priority: KR10-2018-0098539 20180823
- Main IPC: H02K7/14
- IPC: H02K7/14 ; H02K5/167 ; H02K5/173 ; H02K7/08 ; H02K15/14 ; F16C32/06 ; A47L9/22

Abstract:
A motor according to an embodiment of the present invention includes a rotary shaft; a rotor mounted on the rotary shaft; a stator surrounding an outer periphery of the rotor; an impeller mounted on the rotary shaft to be spaced apart from the rotor; a bearing housing positioned between the impeller and the rotor and formed with a through-hole through which the rotary shaft passes; and a gas bearing disposed in the bearing housing, wherein a thickness of the gas bearing is equal to or greater than 50% of a gap between an inner surface of the bearing housing and an outer peripheral surface of the rotary shaft and is equal to or less than 0.3 mm.
Public/Granted literature
- US20200067371A1 MOTOR AND MANUFACTURING METHOD OF THE SAME Public/Granted day:2020-02-27
Information query