Title:
BREAKER, SAFETY CIRCUIT, AND SECONDARY BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2023/058379
Kind Code:
A1
Abstract:
A breaker 1 comprises a fixed piece 2, a movable piece 4, a heat-responsive element 5, and a resin case 10. The fixed piece 2 has an embedded portion 25 that is embedded in the resin case 10 in a region which overlaps the heat-responsive element 5 in plan view seen from the thickness direction of the fixed piece 2. The resin case 10 comprises: an outer peripheral portion 74 that is formed on the outer periphery of a recess 73; a first through portion 75 that passes through the recess 73 and that exposes the embedded portion 25 to the side of the heat-responsive element 5; an island portion 76 that is inward of the first through portion 75 and that is interposed between the fixed piece 2 and the heat-responsive element 5; and a connection portion 77 that connects the outer peripheral portion 74 and the island portion 76.
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Inventors:
YOSHIOKA MASAKI (JP)
Application Number:
PCT/JP2022/033234
Publication Date:
April 13, 2023
Filing Date:
September 05, 2022
Export Citation:
Assignee:
BOURNS KK (JP)
International Classes:
H01H37/04; H01H37/54
Domestic Patent References:
| WO2015029826A1 | 2015-03-05 | |||
| WO2019124338A1 | 2019-06-27 | |||
| WO2011105175A1 | 2011-09-01 |
Foreign References:
| JP2013118155A | 2013-06-13 | |||
| JP2011134624A | 2011-07-07 | |||
| JP2017098186A | 2017-06-01 | |||
| JP2017098186A | 2017-06-01 | |||
| JP2020035515A | 2020-03-05 |
Attorney, Agent or Firm:
SUMITOMO SHINTARO (JP)
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