Invention Grant
- Patent Title: Laminated core and electric motor
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Application No.: US17299886Application Date: 2019-12-17
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Publication No.: US11979059B2Publication Date: 2024-05-07
- Inventor: Yasuo Ohsugi , Ryu Hirayama , Kazutoshi Takeda
- Applicant: NIPPON STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL CORPORATION
- Current Assignee: NIPPON STEEL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Priority: JP 18235861 2018.12.17
- International Application: PCT/JP2019/049282 2019.12.17
- International Announcement: WO2020/129935A 2020.06.25
- Date entered country: 2021-06-04
- Main IPC: H02K1/18
- IPC: H02K1/18 ; C09J133/08 ; H02K1/12 ; H02K1/14

Abstract:
A laminated core includes a plurality of electrical steel sheets stacked in a thickness direction, each of the electrical steel sheets includes an annular core back part; a plurality of fastening parts are provided in the core back part at intervals in a circumferential direction; an adhesion region is formed on an outer circumferential side from the fastening parts in the core back part; and a non-adhesion region is formed on an inner circumferential side from the fastening parts in the core back part.
Public/Granted literature
- US20220094218A1 LAMINATED CORE AND ELECTRIC MOTOR Public/Granted day:2022-03-24
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