Title:
蓄電装置
Document Type and Number:
Japanese Patent JP6737317
Kind Code:
B2
Abstract:
To provide a power storage device including an operation mechanism operating with a second working pressure higher than a first working pressure with which a relief valve operates, in which operation of the operation mechanism is not blocked, while securing function of the relief valve.SOLUTION: A relief valve includes a housing part 40 in which a housing space 48 is formed, an elastic sheet 41 placed in the housing space 48, a metal plate 42 and a porous sheet. In the housing part 40, a first continuous hole 49 communicating with the housing space 48 and a housing case 3, and a second continuous hole 47 communicating with the outside of the housing case 3 and the housing space 48 are formed. The elastic sheet 41, the metal plate 42 and the porous sheet are laminated sequentially in the lamination direction from the first continuous hole 49 toward the second continuous hole 47 in the housing space 48.SELECTED DRAWING: Figure 3
Inventors:
Koji Department
Takamatsu Hiroshi
Hiroaki Imanishi
Takamatsu Hiroshi
Hiroaki Imanishi
Application Number:
JP2018203802A
Publication Date:
August 05, 2020
Filing Date:
October 30, 2018
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01M2/12; H01M2/34
Domestic Patent References:
| JP2002304976A | ||||
| JP2003272589A | ||||
| JP2019102193A | ||||
| JP2007214451A |
Attorney, Agent or Firm:
Fukami patent office