About 18 results
https://drivepatents.com/patents/984997 · 24 Apr 2013
Method and charging device for charging a battery comprising the steps of introducing a charging current into the battery using a charging device, monitoring a cell temperature of the battery by means of a sensing device, detecting that the cell temperatur...
https://drivepatents.com/patents/1005060 · 22 Feb 2012
The method involves determining temperature of cells (2) of a heatable nickel cadmium battery (1) and electrical charge current in certain temperature range of the battery cells. The charge current of a heating device (3) is supplied for heating the batter...
https://drivepatents.com/patents/1013901 · 13 Apr 2011
A power charging device with charge saturation disconnector through electromagnetic force release is formed by charging power supply, charging control device, magnetic actuator conductive device, power excitation windings, rechargeable discharge device, an...
https://drivepatents.com/patents/1013934 · 13 Apr 2011
An imbalance reduction circuit is configured to include: a temperature-related information acquisition unit for acquiring temperature-related information related to the temperature of a plurality of electric accumulators; a discharge unit for executing an ...
https://drivepatents.com/patents/1015287 · 2 Mar 2011
A charging circuit includes a battery pack (4) provided with one or more secondary batteries (5) and a battery charger (1) for charging the secondary batteries, (5) the battery pack (4) being detachably attachable to the battery charger (1). The charging c...
https://drivepatents.com/patents/1071087 · 4 Jan 2006
Battery/power pack has an associated charging device with analog temperature sensor (3) with a negative temperature coefficient and an externally accessible temperature measurement interface (4). In the battery pack is provided an emergency protection circ...
https://drivepatents.com/patents/1078381 · 20 Apr 2005
To provide a thinner, lighter battery pack and to reduce the cost by eliminating the need for a battery case. A thin battery pack structure using an outer packaging film (battery pack) is constructed by a flat and rectangular shaped battery cell, a flat an...
https://drivepatents.com/patents/1110251 · 12 Sep 2001
A device and method is provided that can detect overcharge reliably by separating heat generated by internal resistance and heat chemically generated upon overcharging in a secondary battery. Based on the temperature of the secondary battery (10) detected ...