Title:
BATTERY CASE FOR ELECTRIC VEHICLE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/171717
Kind Code:
A1
Abstract:
A battery case 100 for an electric vehicle comprises: a frame 110 in which a plurality of framework members 111, 112 are joined together by means of joining members 114, which is configured with a polygonal frame shape when seen from a vertical direction of the vehicle, and internally defines a through-hole TH; and a bathtub-shaped tray 120 which accommodates a battery 30 and which is at least partially disposed in the through-hole TH of the frame 110. The plurality of framework members 111, 112 include a first framework member 111 and a second framework member 112, which are aluminum extrusions. In the frame 110, the first framework member 111 and the second framework member 112 are joined indirectly by means of the joining members 114, by joining the first framework member 111 and the joining member 114 by means of a mechanical joining method and joining the second framework member 112 and the joining member 114 by means of a mechanical joining method.
Inventors:
ISHITOBI HIDEKI
DAIGAKU KOUICHI (JP)
DAIGAKU KOUICHI (JP)
Application Number:
PCT/JP2023/008870
Publication Date:
September 14, 2023
Filing Date:
March 08, 2023
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
B60K1/04; H01M50/249
Foreign References:
| JP2021062710A | 2021-04-22 | |||
| US20180186227A1 | 2018-07-05 | |||
| CN211605235U | 2020-09-29 | |||
| JP2013133044A | 2013-07-08 | |||
| DE102014226566B3 | 2016-04-28 | |||
| JP2020098723A | 2020-06-25 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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