About 663 results
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https://drivepatents.com/patents/993496 · 23 Jan 2013
A battery system (11) having a battery string (13) connecting in series a plurality of battery units (15) includes: an SOC detection unit (19) for individually detecting states of charge of the plurality of battery units (15; 36, 37; 38, 39); and a charge-...
https://drivepatents.com/patents/993890 · 16 Jan 2013
The present invention provides a power converter which, while ensuring safety, implements control for the flow of a constant current in a specified switching element, more accurately determines the lifetime of a switching element, and reduces the number of...
https://drivepatents.com/patents/994488 · 2 Jan 2013
The present invention relates to a delta connection cascade multilevel converter (CMC) where three single-phase converters are delta-connected, which eliminates the need for a large-capacity heavy single-phase reactor of the conventional delta connection C...
https://drivepatents.com/patents/994298 · 2 Jan 2013
Since in existent charge-discharge control the battery direct current resistance of a lithium ion battery increases at a low temperature or in a low state of charge (SOC), the battery voltage may possibly exceed greatly the maximum allowable voltage instan...
https://drivepatents.com/patents/996534 · 31 Oct 2012
A cooling system for an electric vehicle includes: a cooling unit that cools an electric drive unit that electrically drives the electric vehicle; and a control unit that controls cooling of the electric drive unit by controlling the cooling unit. The cont...
https://drivepatents.com/patents/996474 · 31 Oct 2012
Provided are charging/discharging spots which are connected to a power grid and which charge storage batteries of electric vehicles connected thereto and discharge charged power of the storage batteries to the power grid; a data center which collects and s...
https://drivepatents.com/patents/996368 · 31 Oct 2012
A power monitoring and control apparatus (102,502) and system are provided, which level charge loads of electric vehicles over an overall power system (101) as well as make the power loads fall within the maximum contract power, in plug-in charging of the ...
https://drivepatents.com/patents/997491 · 10 Oct 2012
A chassis frame includes: a pair of suspension frames on a front side and a rear side, which are formed by a metal material; and a center frame formed by a fiber reinforced plastic material, with the suspension frames on the front and on the rear side resp...
https://drivepatents.com/patents/997471 · 10 Oct 2012
A cooling system for an electric vehicle, includes: a cooling-medium circulation passage through which a cooling medium circulates to travel to heat exchange target objects mounted in a vehicle that is electrically driven; an electric compressor disposed i...
https://drivepatents.com/patents/997469 · 10 Oct 2012
An air-conditioning system for a vehicle for performing cooling/air-heating of a temperature controlling object includes: a temperature detection unit 63 that detects a temperature of the temperature controlling object; a controller 61 that controls the ai...