Invention Grant
- Patent Title: Axial gap-type rotary electric machine and method for producing same
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Application No.: US16301125Application Date: 2017-01-27
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Publication No.: US11114916B2Publication Date: 2021-09-07
- Inventor: Katsuyuki Yamazaki , Kenji Uzawa , Shuuichi Takahashi
- Applicant: Hitachi Industrial Equipment Systems Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
- Current Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Crowell & Moring LLP
- International Application: PCT/JP2017/002875 WO 20170127
- International Announcement: WO2018/138858 WO 20180802
- Main IPC: H02K15/12
- IPC: H02K15/12 ; H02K5/04 ; H02K1/14 ; H02K21/24

Abstract:
The present invention makes full use of the advantages of a resin molded stator while pursuing advantages related to performance, reliability, and workability. Provided is an axial gap-type rotary electric machine comprising: a stator in which a plurality of core units having a magnetic flux surface in the rotational axis direction are arranged annularly around the rotational axis; a rotor facing the magnetic flux surfaces of the stator in the axial direction; a housing comprising an inner cylinder space in which the stator is accommodated; and a molded resin that covers part or all of the stator and integrally connects the stator and the inner circumference of the inner cylinder space. The housing comprises an annular thick wall section that has a predetermined thickness toward the axial center side and that follows the inner circumference in part of the inner circumference of the inner cylinder space. The axial boundary of the molded resin and the inner circumference of the inner cylinder space is included within the area of a radial projection surface of the thick wall section.
Public/Granted literature
- US20190305628A1 Axial Gap-Type Rotary Electric Machine and Method for Producing Same Public/Granted day:2019-10-03
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