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Patent Searching and Data


Title:
BATTERY PACK AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/200637
Kind Code:
A1
Abstract:
This battery pack comprises: battery cells; one or a plurality of stepped screws, each of which has a head section, a thread section, and an intermediate section that is between the head section and the thread section, and is larger than the outer diameter of the thread section but smaller than the outer diameter of the head section; and an exterior case that is provided with an upper case and a lower case fastened together by the one or plurality of stepped screws. A first elastic member is disposed as compressed on a contact section of the upper case and the lower case. A second elastic member is disposed as compressed between the head section and the upper case.

Inventors:
BANNAI YOSHIYUKI (JP)
Application Number:
PCT/JP2021/012818
Publication Date:
October 07, 2021
Filing Date:
March 26, 2021
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M50/202; H01M50/262; H01M50/317; H01M50/333
Domestic Patent References:
WO2016076427A12016-05-19
WO2019146239A12019-08-01
WO2016017687A12016-02-04
Foreign References:
JP2016119155A2016-06-30
JP2018060880A2018-04-12
JPS4614421Y11971-05-21
JP2012151449A2012-08-09
Attorney, Agent or Firm:
SUGIURA, Takuma et al. (JP)
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