About 219 results
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https://drivepatents.com/patents/995771 · 28 Nov 2012
In a battery system of the invention, a BMS calculates a maximum charge rate representing a maximum value from present charge rates of plurality of secondary batteries constituting an assembled battery and a minimum charge rate. Then, the BMS generates a n...
https://drivepatents.com/patents/996475 · 31 Oct 2012
To provide a safety device of a battery temperature control system for an EV or an HEV capable of preventing an electric shock due to the electrical conduction across terminals of batteries in the event of a vehicle collision. A safety device used in a tem...
https://drivepatents.com/patents/996430 · 31 Oct 2012
A system for monitoring operation of an electric vehicle charging station is provided. The system includes a battery charger configured to couple to a device for supplying current to the device, a current sensor coupled to the battery charger for measuring...
https://drivepatents.com/patents/997367 · 10 Oct 2012
Disclosed is a method for managing how to charge secondary batteries of work vehicles, the method involving: a step of acquiring the remaining battery levels of secondary batteries each supplying power to a plurality of work vehicles; a step of calculating...
https://drivepatents.com/patents/997525 · 3 Oct 2012
A battery disconnect unit for selectively coupling a battery pack to a load is provided. The unit includes a base portion that holds first and second contactors, a pre-charging relay, and a charging relay, thereon. The unit further includes a circuit board...
https://drivepatents.com/patents/998381 · 12 Sep 2012
Electrical distribution network (EDN) improvement method for plug-in electric vehicles receives and stores in a database EDN configuration information, demography information and load information for simulating load of the EDN assets. The method dynamicall...
https://drivepatents.com/patents/999661 · 8 Aug 2012
A battery system according to the present invention includes: a battery module comprising a plurality of cell groups connected in series, each comprising a plurality of cells connected in series; a plurality of integrated circuits provided to corresponding...
https://drivepatents.com/patents/999548 · 8 Aug 2012
A plurality of voltage switching circuits 41 are provided in a switching unit 40 to relatively change a reference voltage to plural levels, thus detecting a spontaneous change of the reference voltage. A range of relative change in the reference voltage by...
https://drivepatents.com/patents/1000214 · 18 Jul 2012
A drive system (20) for a motorised bicycle (10) which comprises an electrical motor (18) for driving the motorised bicycle (10). The electrical motor (18) has a first electric overload power limit which constitutes a limit for electrical power supplied to...
https://drivepatents.com/patents/1001595 · 6 Jun 2012
The storage has a set of electric energy storage cells i.e. front cells (1a-1e), and a flange e.g. front flange (6) or rear flange (7) comprising a set of holding elements (13), where each element cooperates with one of the cells for holding the cell in a ...