Invention Grant
- Patent Title: Fluid cooled motor and cooling device using thereof
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Application No.: US17065803Application Date: 2020-10-08
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Publication No.: US11621597B2Publication Date: 2023-04-04
- Inventor: Sumio Yagyu
- Applicant: KUBOTA CORPORATION
- Applicant Address: JP Osaka
- Assignee: KUBOTA CORPORATION
- Current Assignee: KUBOTA CORPORATION
- Current Assignee Address: JP Osaka
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JPJP2019-234506 20191225
- Main IPC: H02K1/32
- IPC: H02K1/32 ; H02K9/19

Abstract:
A fluid cooled motor includes a stator, a rotor disposed in the stator rotatably in a circumferential direction, and a stator coil wound on the stator, the stator coil having coil ends extending in an axial direction perpendicular to the circumferential direction. The rotor has a rotor core and annular end plates fixed to axial ends of the rotor core, the annular end plates opposing to the coil ends of the stator coil and being rotatable with the rotor in the circumferential direction. Each of the end plates includes a plurality of flow passages to guide a cooling fluid from an inlet to an outlet thereof in a radially outward direction. Each of the flow passages extends from the inlet to the outlet, and inclines or curves to a direction opposite to a rotation direction of the rotor with respect to a radial direction.
Public/Granted literature
- US20210203202A1 FLUID COOLED MOTOR AND COOLING DEVICE USING THEREOF Public/Granted day:2021-07-01
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