Chemistry: electrical current producing apparatus – product – and – Having means to accommodate electrode expansion
Patent
1994-01-24
1995-08-15
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Having means to accommodate electrode expansion
429181, H01M 210
Patent
active
054418259
ABSTRACT:
A device for compressing the cell stack disposed within the battery case of a multicell battery and providing a gas-tight, electrically isolated seal for one of the battery terminals. The device comprising an expandable unit disposed between the cell stack and a surface of the battery case. The unit having a cavity disposed therein and a sealable port through which a pressurized fluid may be provided to the cavity thereby expanding the unit. The unit is preferably comprised of two concentric annular metal bellows.
REFERENCES:
patent: 4071663 (1938-01-01), Bredbenner
patent: 4419418 (1983-12-01), Knodler et al.
patent: 4508797 (1985-04-01), Knoedler et al.
patent: 4898795 (1990-02-01), Stocchiero
Patent Abstracts of Japan, vol. 13, No. 518, p. 5 (E-848) (for Kokai 01-209671) Takahashi, Aug. 1989.
Patent Abstracts of Japan, vol. 17, No. 398, p. 7 (E-1403) (For Kokai 05-74473) Akiyama, Mar. 1993.
Kalafut Stephen
Westinghouse Electric Corporation
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