About 225 results
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https://drivepatents.com/patents/1005689 · 1 Feb 2012
A secondary battery device comprises a first assembled battery (10(A)) including a plurality of secondary battery cells (BT), a second assembled battery (10(B)) including a plurality of secondary battery cells (BT) and connected in series to a low-potentia...
https://drivepatents.com/patents/1005676 · 1 Feb 2012
A battery system for a vehicle is provided with discharge circuits (R1, 129A through 129D, 128A through 128D) that discharge battery cells (BC1 through BC4) via measurement lines of those battery cells (BC1 through BC4). A control circuit transmits to an i...
https://drivepatents.com/patents/1006254 · 11 Jan 2012
The aircraft (1) has a main combustion engine (6) e.g. oil engine, and an auxiliary electric machine (7) that are mechanically coupled to a power train (8). The power train drives a main rotor (3), in rotation, of a hybrid motorization assembly (5). The hy...
https://drivepatents.com/patents/1006428 · 4 Jan 2012
A battery management system (130) for a battery pack that includes multiple battery cells (102_1-102_N) is disclosed. The battery management system (130) includes a detector (108) coupled to the battery cells (102_1-102_N), multiple temperature sensors (10...
https://drivepatents.com/patents/1006622 · 28 Dec 2011
A battery control circuit includes a voltage detection circuit (124) for measuring voltages of electric cells (111), balancing circuits for balancing the voltages or SOCs of the electric cells (111), a signal input/output circuit (129) for communicating wi...
https://drivepatents.com/patents/1008525 · 19 Oct 2011
A battery abnormality detection circuit includes: a SOC detection unit that detects a SOC of a secondary battery; an internal resistance detection unit that detects an internal resistance value of the secondary battery; a first state acquisition unit that ...
https://drivepatents.com/patents/1009348 · 21 Sep 2011
A direct-current power source apparatus in which a lithium-ion capacitor unit is used as an electric storage system and which can fully utilize the lithium-ion capacitor unit and maintain the supply of electricity to a load is provided. An electric storage...
https://drivepatents.com/patents/1009766 · 31 Aug 2011
A power supply device includes a battery block 3 of battery cells 1. Cooling gaps 4 are provided for flowing cooling gas between cells 1 from a side surface of the block 3 into the gaps 4. The width of a temperature equalizing plate 15 covering the side su...
https://drivepatents.com/patents/1010479 · 3 Aug 2011
The present invention discloses a battery pack which can be used for an electric vehicle, an Uninterrupted Power Supply (UPS), and a power supply for a smart grid and which can be easily manufactured and repaired and which is capable of improving productiv...
https://drivepatents.com/patents/1011285 · 6 Jul 2011
A failure diagnosis circuit is provided with: a voltage detection unit that detects a terminal voltage of an electricity storage unit; a current detection unit that detects a current flowing in the electricity storage unit; a SOC calculation unit that calc...