REFUELABLE BATTERY-POWERED ELECTRIC VEHICLE
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Abstract
The electrical vehicle energy storage system permits the electric refueling of the electric vehicle just like an automobile would be refueled with gasoline at a gas station. Circuitry on board the vehicle accessible by the electric refueling station enables the determination of the energy content of the battery module or modules returned to the electric refueling station and the owner of the vehicle is given credit for the energy remaining in the battery module or modules which have been exchanged. Selective refueling may take place for given battery modules by removing them from the battery system and charging them at home, office or factory. A process for operating an electric vehicle is also disclosed and claimed.
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Citations
41 Claims
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1-21. -21. (canceled)
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22. A process for operating an electric vehicle, said electric vehicle includes a plurality of battery modules, comprising the steps of:
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utilizing a battery module interface circuit between each of said plurality of battery modules and an information bus; operating, utilizing a controller, said battery module interface circuit between each of said battery modules and said information bus selectively interconnecting said battery modules to said information bus for measuring, periodically, the state of charge and energy content of each battery module of said plurality of battery modules; detaching, slidably, one or more of said battery modules of said plurality of battery modules from said electric vehicle for returning said one or more of said battery modules of said plurality of battery modules to an electric filling station; calculating, using said controller and said battery module interface circuit, said energy content remaining in each of said battery modules when each of said battery modules is returned; and
,calculating, using said controller and said battery module interface circuit, the monetary value of each of said returned battery modules for receiving monetary credit for each of said battery modules. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A process for operating an electric vehicle, said electric vehicle includes a plurality of battery modules, said electric vehicle includes a plurality of on-board battery modules, comprising the steps of:
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utilizing a battery module interface circuit between each of said plurality of battery modules and a monitor bus; operating, utilizing a controller, said battery module interface circuit between each of said battery modules and said monitor bus selectively interconnecting said battery modules to said monitor bus, said monitor bus selectively interconnected with said controller, for measuring, periodically, the voltage, the state of charge and energy content of each of said plurality of battery modules; detaching, slidably, one or more of said battery modules of said plurality of battery modules from said electric vehicle for returning said one or more of said battery modules of said plurality of said battery modules to an electric filling station; calculating, using said controller and said battery module interface circuit, said energy content remaining in each of said battery modules when each of said battery modules is returned; and
,calculating, using said controller and said battery module interface circuit, the monetary value of each of said battery modules for receiving monetary credit for each of said battery modules. - View Dependent Claims (36, 37)
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38. A process for operating an electric vehicle, said electric vehicle includes a plurality of battery modules, comprising the steps of:
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selecting an information source from the group consisting of an information bus and a battery monitor bus; utilizing a battery module interface circuit between each of said plurality of battery modules and said information source selected from the group consisting of an information bus and a battery monitor bus; operating, utilizing a controller residing in an electric filling station, said battery module interface circuit between each of said battery modules and said information source selected from the group consisting of an information bus and a battery monitor bus, selectively interconnecting said battery modules to said information source selected from the group consisting of an information bus and a battery monitor bus;
said information source selected from the group consisting of said information bus and said battery monitor bus, selectively interconnected with said controller, for measuring, periodically, the state of charge and energy content of each battery module of said plurality of battery modules;communicating information between said controller in said electric filling station and said plurality of battery modules using input-output modules residing in said electric vehicle. - View Dependent Claims (39, 40, 41)
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Specification