H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 7/00 (2006.01) H01M 2/10 (2006.01) H01M 6/50 (2006.01) H01M 10/42 (2006.01) H01M 10/46 (2006.01)
Patent
CA 2067752
A housing (11) of a battery pack (10) contains in addition to standard power cell elements (14-16) a voltage converter (75). The voltage converter (75) is interposed between the power cell elements (14- 16) and external output contacts (29, 30, 100) of the housing (11). The voltage converter (75) regulates the output voltage applied to the output contacts (29, 30, 100) of the battery pack (10), such that the supply voltage of the battery pack (10) remains at a predetermined value which is independent of the voltage supplied by the power cell elements (14-16) to the voltage converter (75) and does not vary over the discharge cycle of the power cell elements (14-16). Excess battery voltage available particularly during the initial portion of the discharge cycle of the power cell elements (14 - 16) is efficiently converted to the predetermined output voltage value which reduces the overall current delivered by the power cells (14-l6) to extend the useful life of the battery pack (10) between charges.
Un logement (11) d'un boîtier à piles (10), contient, en plus d'éléments de piles (14-16) classiques, un convertisseur de tension (75). Le convertisseur de tension (75) est interposé entre les éléments de piles (14-16), et des contacts de sortie extérieurs (29, 30, 100) dudit logement (11). Ledit convertisseur de tension (75) régule la tension de sortie appliquée aux contacts de sortie (29, 30, 100) du boîtier à piles (10), de sorte que la tension d'alimentation de ce dernier (10) reste à une valeur prédéterminée, laquelle est indépendante de la tension fournie par les éléments de piles (14-16) au convertisseur de tension (75), et ne varie pas pendant le cycle de décharge desdits éléments de piles (14-16). La tension des piles excédentaire disponible notamment pendant la partie initiale du cycle de décharge des éléments de piles (14-16) est efficacement convertie à la valeur de tension de sortie prédéterminée, ce qui réduit le courant total fourni par les piles (14-16), afin de prolonger la vie utile du boîtier à piles (10) entre les charges.
Norand Corporation
Ridout & Maybee Llp
LandOfFree
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