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Patent Searching and Data


Title:
BREAKER, SAFETY CIRCUIT, AND SECONDARY BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2022/249732
Kind Code:
A1
Abstract:
A breaker 1 of the present invention comprises: a fixed piece 2 having a fixed contact 21; a movable piece 4 having a movable contact 41; a heat sensitive element 5 that deforms following a change in temperature to move the movable piece 4 to a cutoff state from a conduction state; a PTC thermistor 6 that establishes conduction between the fixed piece 2 and the movable piece 4 when the movable piece 4 is in the cutoff state; and a case 10 that accommodates the fixed piece 2, the movable piece 4, and the heat sensitive element 5. The heat sensitive element 5 is disposed between the movable piece 4 and the PTC thermistor 6. The case 10 has a bottom surface 72. When the side of the movable contact 41 is made to be the front side in the longitudinal direction of the movable piece 4, the PTC thermistor 6 is accommodated in the case 10 in a backward leaning orientation with respect to the bottom surface 72.

Inventors:
YAMAMOTO KOHEI (JP)
SANAKA DAISUKE (JP)
Application Number:
PCT/JP2022/015382
Publication Date:
December 01, 2022
Filing Date:
March 29, 2022
Export Citation:
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Assignee:
BOURNS KK (JP)
International Classes:
G05B9/02; H01H37/32; H01H37/54; H01M50/581; H02H5/04; H02J7/00
Foreign References:
JP2019114368A2019-07-11
US20100066478A12010-03-18
CN102568958A2012-07-11
KR20050055967A2005-06-14
Attorney, Agent or Firm:
SUMITOMO SHINTARO (JP)
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