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|1. (WO2017037843) BATTERY PACK FOR TWO-WHEEL AND THREE-WHEEL ELECTRIC VEHICLES AND DEVICE FOR CHARGING SAID BATTERY PACK|
NATIONAL UNIVERSITY CORPORATION SAITAMA UNIVERSITY
|Title:||BATTERY PACK FOR TWO-WHEEL AND THREE-WHEEL ELECTRIC VEHICLES AND DEVICE FOR CHARGING SAID BATTERY PACK|
Battery packs 30, 130 mounted in an electrically assisted bicycle, etc., wherein said battery packs 30, 130 are provided with an accommodating case 31 for accommodating battery cells, power receiving coils 40, 140 for non-contact feeding transformers fixed to an outer wall surface or an inner wall surface of the accommodating case 31 to charge the battery cells in a non-contact manner, and feeder coil mounting units for detachably mounting feeder coils for the non-contact feeding transformers at positions opposing the receiving coils. The battery packs perform non-contact charging as long as feeder cases 50 enclosed in the power receiving coils are mounted on the feeder coil mounting units of the battery packs while mounted on an electrically-assisted bicycle.