About 74 results
https://drivepatents.com/patents/1002356 · 16 May 2012
A temperature elevating apparatus of a secondary battery (10) includes a ripple generator (20) and a controller (30). Ripple generator (20) is connected to secondary battery (10), and is configured to actively generate ripple current (1) of a predetermined...
https://drivepatents.com/patents/1006361 · 11 Jan 2012
A power conversion system according to the present invention includes: an inverter circuit unit that converts a direct current power supplied from a direct current source into an alternating current power, the direct current power being supplied to the inv...
https://drivepatents.com/patents/1010037 · 17 Aug 2011
The system has a charging line (11) that connects a charging device (8) and lithium cells (2) that are serially and parallely connected with each other. A charge control unit (7) includes a current transformer (9) that measures charge current delivered fro...
https://drivepatents.com/patents/1010203 · 10 Aug 2011
The system has battery modules (4) electrically connected in series by an operating current line (5) such that an operating current flows through the current line during operation. A battery system monitoring electronics unit incorporates a module monitori...
https://drivepatents.com/patents/1014361 · 6 Apr 2011
The subject System of Automatic Surveillant Revolving Storage Battery Auxiliary Charge provides essentially an auxiliary power supply furnished with engine Dynamo for Battery Power System, to provide various forms of auxiliary charging and power supply, so...
https://drivepatents.com/patents/1016398 · 19 Jan 2011
The present invention includes, among other embodiments, a system embedded in a vehicle including several inputs. The inputs may include one hard coded data, data from sensors on the vehicle, data from external sensors, user coded data, data received from ...
https://drivepatents.com/patents/1082119 · 24 Nov 2004
An apparatus and method for controlling charging and discharging of an energy storage device. If the charging voltage that is applied exceeds a restriction determining voltage, the power value at that time is held as the charging power upper limit value. I...
https://drivepatents.com/patents/1083830 · 22 Sep 2004
There is provided a battery pack system that allows an output limit during short-time discharging and long-time discharging of a secondary battery, and limits the output appropriately upon request of a vehicle. An output limiting section 104 is provided fo...
https://drivepatents.com/patents/1090618 · 2 Jan 2004
A charging strategy for a rechargeable battery pack (10) is disclosed. The battery pack (10) is used in an application (12) that includes a dynamoelectric machine (14) that may operate as a motor, drawing power from the battery pack (10), or as a generator...
https://drivepatents.com/patents/1093909 · 20 Aug 2003
The present method for indicating a battery state of a hybrid car detects DELTA V/ DELTA I which is a change value of voltage and current from a first state and a second state of a battery 1 being charged/discharged. The battery state indicating method det...