Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2011-06-07
2011-06-07
Yuan, Dah-Wei D (Department: 1727)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S153000
Reexamination Certificate
active
07955729
ABSTRACT:
The present invention provides a secondary battery module which is excellent in vibration resistance. A battery module20has assembled battery blocks11each constituted by screw-fixing the assembled batteries2to the block bases3, 4supporting a lower portion thereof and the two block reinforcing plates5supporting an upper portion thereof, the six assembled batteries2are sandwiched by and fixed firmly to the block bases3, 4and the block reinforcing plates5. The assembled batteries2do not move freely even if vibration is added to the battery module20. Because the elastic sheet9is laid between the block bases3, 4and the assembled batteries2, since a space derived due to variance in size accuracy of frames12which hold and fix the unit cells11and derived due to variance in size accuracy of the block bases3, 4can be removed, and vibration resistance can be enhanced. To thermal stress change caused due to combination of different materials, influence thereof can be reduced by laying the elastic sheet9.
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Aiba Tunemi
Goto Takeyuki
Ono Tatsuo
Onuki Toshiaki
Essex Stephan
Hitachi Vehicle Energy, Ltd.
Roberts Mlotkowski Safran & Cole P.C.
Yuan Dah-Wei D
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