Invention Grant
- Patent Title: Sealed battery having a safety valve
- Patent Title (中): 密封电池具有安全阀
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Application No.: US13375838Application Date: 2010-04-23
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Publication No.: US09406912B2Publication Date: 2016-08-02
- Inventor: Tomohiro Matsuura , Katsumi Ito , Akira Fujii , Toshihiro Odagaki
- Applicant: Tomohiro Matsuura , Katsumi Ito , Akira Fujii , Toshihiro Odagaki
- Applicant Address: JP Toyota-shi, Aichi JP Asago-shi, Hyogo
- Assignee: Toyota Jidosha Kabushiki Kaisha,Fuji Springs Co., Inc.
- Current Assignee: Toyota Jidosha Kabushiki Kaisha,Fuji Springs Co., Inc.
- Current Assignee Address: JP Toyota-shi, Aichi JP Asago-shi, Hyogo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Priority: JP2009-135601 20090604
- International Application: PCT/JP2010/057230 WO 20100423
- International Announcement: WO2010/140436 WO 20101209
- Main IPC: H01M2/12
- IPC: H01M2/12 ; H01M2/02 ; H01M2/04 ; H01M10/0525

Abstract:
A sealed battery is provided in which a case is partially provided with a safety valve that is provided with a thin portion, which is formed thinner than the peripheral portion of the safety valve. A portion of the safety valve surrounding the thin portion is provided with a slit for preventing heat conduction from the other portions of the case to the thin portion, said slit being formed so as to surround the thin portion.
Public/Granted literature
- US20120114988A1 SEALED BATTERY Public/Granted day:2012-05-10
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