Title:
PROTECTION CIRCUIT AND ELECTRICITY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/117565
Kind Code:
A1
Abstract:
A protection circuit 60 is provided with: switches 61, 62 positioned on a power line PL of an electricity storage element 22 and a load 12; first protection elements 63, 64, 65 connected in parallel with the switches 61, 62 and absorbing surge caused when the switches 61, 62 open and cut off discharge current; and a second protection element 66 connected in parallel with the load and flowing, back to the load, the surge caused when the switches 61, 62 open and cut off the discharge current.
Inventors:
FUJIMATSU MASAKATSU (JP)
FUJITA KIYOHIRO (JP)
HATTORI SHIGEKI (JP)
SUGIURA AKIMASA (JP)
FUJITA KIYOHIRO (JP)
HATTORI SHIGEKI (JP)
SUGIURA AKIMASA (JP)
Application Number:
PCT/JP2020/044769
Publication Date:
June 17, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H02H9/04; H02J7/00
Domestic Patent References:
| WO2017086113A1 | 2017-05-26 |
Foreign References:
| JPH05276650A | 1993-10-22 | |||
| JP2019054051A | 2019-04-04 | |||
| JPS5078940U | 1975-07-08 |
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