About 215 results
Showing the first 200 results.
https://drivepatents.com/patents/978836 · 5 Feb 2014
The voltage monitoring module (100) includes an input terminal (V1), a cell balancing input terminal (VB1), a switch (SWa_1), and a control circuit (CON). The input terminal (V1) is coupled to a high-voltage-side terminal of a battery cell (EC1) through a ...
https://drivepatents.com/patents/979728 · 15 Jan 2014
A battery states estimation method comprises the steps of: measuring an electric current value of a battery B at the electric current value detection section 10 and a terminal voltage value of the battery B at the voltage detection section 12 at a time of ...
https://drivepatents.com/patents/980491 · 25 Dec 2013
A charging control apparatus (310) controls wireless charging between one charging apparatus (10) and a vehicle (20) which communicates with the one charging apparatus via a communication relay apparatus (30). The charging control apparatus is provided wit...
https://drivepatents.com/patents/981021 · 11 Dec 2013
Disclosed herein is a battery pack including a power supply unit including two or more battery cells or battery modules electrically connected to each other, at least one pressure driven switch configured to cause a short circuit in a portion or the entire...
https://drivepatents.com/patents/981325 · 4 Dec 2013
An electrical energy storage unit (120) of an excavator includes an electrical energy storage device (19) that accumulates electric power generated by a generator and an electric circuit that controls a charge/discharge operation of the electrical energy s...
https://drivepatents.com/patents/981720 · 20 Nov 2013
A relay unit electrically opens and closes between a battery (3) and a motor (4). Particularly, a third relay (50) connected in parallel with a precharge relay (30) that is of a first relay (30) and a second relay (40) is accommodated in a housing includin...
https://drivepatents.com/patents/981717 · 20 Nov 2013
The method involves establishing leakage current across cells (40) of a battery (4) so as to reduce the difference in charge between the cells when an end of charge of the battery is detected, where the end of charge of the battery is detected if a value o...
https://drivepatents.com/patents/982047 · 13 Nov 2013
A charging control device includes: a remaining charge acquisition unit 101 that obtains a remaining charge of a rechargeable battery for an electric vehicle; a lifespan information acquisition unit 104 that obtains lifespan information expressing a degree...
https://drivepatents.com/patents/982046 · 13 Nov 2013
A charge/discharge control method for an alkaline storage battery (11) includes: obtaining in advance a coefficient (K) representing characteristics of a memory effect of the alkaline storage battery; causing the alkaline storage battery to perform a charg...
https://drivepatents.com/patents/982195 · 6 Nov 2013
The method of detecting battery degradation level detects the change in residual capacity (SOC) for one charging period or one discharging period of a battery 1 being charged and discharged. Weighting factors that establish degradation level according to t...