Title:
蓄電装置
Document Type and Number:
Japanese Patent JP6996317
Kind Code:
B2
Abstract:
To provide a power storage device which enables sealability to be sufficiently secured between a case body which houses a power storage element and a cover body attached to the case body.SOLUTION: A power storage device includes: a case body which houses a cylindrical battery 30; a lower cover body 61 attached to the case body; a closed annular shape seal member 71 inserted between the lower cover body 61 and the case body; and multiple bolts 81 which fasten the lower cover body 61 to the case body 21. The seal member 71 has a large cross section part 72 having a cross section area larger than cross section areas in other cross section positions. The large cross section part 72 is disposed in a section of a space between a bolt 81p and a bolt 81q. The space between the bolt 81p and the bolt 81q is shorter than a space between the bolt 81q and a bolt 81r and shorter than a space between a bolt 81s and the bolt 81p.SELECTED DRAWING: Figure 2
Inventors:
Reiji Morioka
Application Number:
JP2018012405A
Publication Date:
February 04, 2022
Filing Date:
January 29, 2018
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16J15/10; H01M50/204; H01G11/10; H01G11/80; H01M50/213; H01M50/271
Domestic Patent References:
| JP2016096080A | ||||
| JP2012097896A | ||||
| JP2016046049A | ||||
| JP2017188207A | ||||
| JP2016174087A | ||||
| JP2014194907A | ||||
| JP2019117877A | ||||
| JP2017188375A | ||||
| JP2008251262A |
Foreign References:
| CN109256501A |
Attorney, Agent or Firm:
Fukami patent office