Title:
BATTERY CASE FOR ELECTRIC VEHICLE AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/171716
Kind Code:
A1
Abstract:
A battery case 100 for an electric vehicle comprises: a frame 110 that is configured in a polygonal frame shape as seen from the vehicle vertical direction by joining a plurality of skeleton members, and that defines therein a space TH; and a bathtub-like tray 120 that accommodates a battery 30 and that is at least partially disposed in the space TH of the frame 110. The plurality of skeleton members 111, 112 include a first skeleton member 111 that is an extruded aluminum material and has a first engagement part 111b at an end part thereof, and a second skeleton member 112 that is an extruded aluminum material and has a second engagement part 112b at an end part thereof. The first engagement part 111b and the second engagement part 112b have respective shapes that engage with each other. The first skeleton member 111 and the second skeleton member 112 are directly joined by engagement of the first engagement part 111b and the second engagement part 112b.
Inventors:
ISHITOBI HIDEKI
DAIGAKU KOUICHI (JP)
DAIGAKU KOUICHI (JP)
Application Number:
PCT/JP2023/008867
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
Domestic Patent References:
| WO2020038516A1 | 2020-02-27 |
Foreign References:
| JP2021062710A | 2021-04-22 | |||
| DE102012100977B3 | 2013-07-18 | |||
| JP2021138318A | 2021-09-16 | |||
| US20210394603A1 | 2021-12-23 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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