INTEGRATED BATTERY UNIT WITH COOLING AND PROTECTION EXPEDIENTS FOR ELECTRIC VEHICLES
3 Assignments
0 Petitions
Accused Products
Abstract
Methods of and apparatus for removing heat generated by cells of a battery pack. The methods and apparatus may employ one or more fan modules disposed between or next to cells of the battery pack, or one or more fans directly mounted to the battery pack or battery pack case housing the cells. Further, a motor controller isolation system operates to electrically isolate the motor controller of the electric vehicle when the battery pack is being charged. The motor controller isolation system may be integrated with the integrated battery pack and thermal and ventilation system. The integrated system, or “integrated battery unit (IBU),” is preferably manufactured in a manner that requires no, modifications to the electric vehicle in which the IBU is installed.
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Citations
15 Claims
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1. (canceled)
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2. An integrated battery unit (IBU) for coupling an electric battery charger to a battery pack having one or more battery cells, the IBU comprising:
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battery connection cables electrically connecting the IBU to the battery pack; motor controller connection cables electrically connecting the IBU to a vehicle motor controller; and a disconnector operable to electrically isolate the vehicle motor controller from the battery charger and/or the battery pack when the battery charger is electrically coupled to the battery pack. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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9. A method for operating a battery pack of an electric vehicle, comprising:
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coupling to the battery pack an integrated battery unit (IBU), the IBU including; battery connection cables for electrically connecting the IBU to the battery pack; motor controller connection cables for electrically connecting the IBU to a vehicle motor controller; and a disconnector coupled to the battery connection cables and to the motor controller connection cables; and using the disconnector to electrically isolate the vehicle motor controller from the battery charger and/or the battery pack when the battery charger is electrically coupled to the battery pack. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification