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UNINTERRUPTIBLE BATTERY POWER FOR ELECTRIC MOTOR VEHICLE

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My invention is about a fault tolerant battery system that may be used in an electric vehicle (EV). The system utilizes a bypassing mechanism to allow an EV, powered by an array of serially-connected batteries, to continue its operation when detecting a faulty battery therein by automatically bypassing it. As known, one faulty battery in the series would disable the entire series, causing the EV to abruptly stop operation on the roadway without warning. As a result, a rear-end collision on the roadway may occur, possibly causing property damages, and/or injuries or deaths to occupants of crashing vehicles. To comply with Kirchhoff's voltage law, an EV consisting of multiple parallelly-connected battery arrays is allowed to switch in a backup battery to displace a faulty battery detected in the array to keep the vehicle operating. Currently, there are no working solutions provided by EV manufacturers, including Tesla, which would instantaneously stop the vehicle from operation upon detecting a battery failure. Many such battery-failing incidents have occurred on the road, requiring EV recalls as officially documented by the NHTSA (National Highway Traffic Safety Administration). I have submitted through an attorney a petition for rulemaking (49 CFR § 552) to NHTSA, requesting the NHTSA's attention to address critical regulatory gaps and provide necessary guidance within the EV industry (such as mandating EV manufacturers that they implement a bypass of a faulty battery). Technology for implementing such bypass is available.

Patent publications:

US 8987935

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apatking (United States)

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