[특허]Cell cap assembly having frangible tab disconnect mechanism

[미국특허] Cell cap assembly having frangible tab disconnect mechanism 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-010/52
출원번호	US-0610388 (1996-03-04)
발명자 / 주소	Kaschmitter James L. (Pleasanton CA) Martucci Frank L. (Dublin CA) Mayer Steven T. (San Leandro CA) Souh Jung H. (Pleasanton CA) Thompson Sean (Dublin CA)
출원인 / 주소	PolyStor Corporation (Dublin CA 02)
인용정보	피인용 횟수 : 44 인용 특허 : 21

초록 ▼

A cell pressure control system is disclosed which includes a conductive frangible tab which tears in response to a defined pressure. The frangible tab is affixed at one position to a stationary member and at another position to a deflection member which deflects in response to increasing internal cell pressure. When the cell pressure increases to a dangerous level, the deflection member exerts sufficient pressure on the frangible tab to cause it to break. When the tab breaks, the cell goes to open circuit, thus reducing the danger of continued pressure build up. If the cell\s internal pressure continues to increase even after the pressure contact is opened, a second stage of the pressure control mechanism may be activated. Specifically, a pressure rupturable region in the above-mentioned deflection member will rupture and release the cell\s internal pressure.

대표청구항 ▼

A cell cap subassembly for controlling pressure build-up in a cell interior having an electrode, said cell cap subassembly comprising: a terminal contact for making electrical contact with an external circuit; a deflection member being in electrical communication with said terminal contact, said deflection member undergoing a displacement in response to an increase in pressure within the cell interior; a frangible member connected to and making electrical contact with said deflection member, said frangible member having a defined frangible region located away from said deflection member, wherein when said deflection member undergoes displacement in response to a first defined pressure, said frangible member breaks at said frangible region and thereby electrically disconnects said terminal contact from said electrode.

이 특허에 인용된 특허 (21) 인용/피인용 타임라인 분석

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Dietrich Fred J. (Palo Alto CA) Hall John C. (Saratoga CA), Electric energy cell with internal failure compensation.
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Marchak Geordon E. (Vancouver CAX), Electrochemical cell pressure relief devices.
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Tucholski Gary R. (Parma Heights OH), Electrochemical cell with disconnect switch device.
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Kelley John A. (Willingboro NJ) Michener Curtis A. (Hatfield PA), Heat activated vent.
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Miller Ted J. (Fort Wayne) Stanley Dean P. (Fort Wayne) Snyder Kent A. (Fort Wayne IN), Multicell battery having a tab-fuse for overcurrent interruption.
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Yamamoto Yoshikatsu (Fukushima JPX) Fujita Shigeru (Tokyo JPX) Kato Hisayuki (Fukushima JPX), Non-aqueous electrolyte secondary cell.
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Thibault William C. (Gainesville FL), Pressure relief apparatus for sealed containers such as galvanic cells.
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Beard Kirby W. (Perkasie PA), Snap-action current interruption diaphragm system for over-pressurized electrochemical cells.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Cell cap assembly having frangible tab disconnect mechanism 원문보기