About 47 results
https://drivepatents.com/patents/1005372 · 8 Feb 2012
A power charging assembly (18) and methods are provided to provide a pre-charge low-current state, a steady-state, high-current charging state, and an unconnect state for an electrical load (16) of an electrical propulsion system in a hybrid electrical veh...
https://drivepatents.com/patents/1007387 · 7 Dec 2011
Disclosed is a relay control apparatus and method for electric drive vehicles. The apparatus controls turn-off of a relay operative to connect an electric drive unit with a battery pack for supplying electrical power to the electric drive unit, and compris...
https://drivepatents.com/patents/1010640 · 3 Aug 2011
In a hybrid vehicle including a master power supply always connected to MG (Motor-Generator) during driving and a first slave power supply and a second slave power supply capable of switching of a connection state with MG during driving, ECU connects one o...
https://drivepatents.com/patents/1011101 · 13 Jul 2011
A power supply system includes a main power storage device (BA) and a plurality of sub power storage devices (BB1, BB2). A converters (12B) is connected to selected one of the sub power storage devices (BB1, BB2) to convert voltage between the selected sub...
https://drivepatents.com/patents/1012121 · 15 Jun 2011
An ECU controls SOCs of a master battery and a sub battery so that the SOCs vary within the range of a predetermined upper limit value and lower limit value. A control is made so that the SOC of the sub battery is lower than the SOC of the master battery w...
https://drivepatents.com/patents/1012932 · 18 May 2011
Disclosed are an apparatus and method of controlling switch units between a battery pack and a load, and a battery pack and a battery management system comprising the same. The apparatus comprises a memory for storing the turn-off number and order of first...
https://drivepatents.com/patents/1015210 · 9 Mar 2011
A control apparatus for a hybrid vehicle includes an internal combustion engine (11) and a generator motor (12), a capacitor (15), and a driving force assisting unit. Further, the control device includes a switching unit that selects an appropriate travell...
https://drivepatents.com/patents/1015944 · 9 Feb 2011
The object aims to prevent or reduce the deterioration of a secondary battery by charge with an undue pulse. Disclosed is a discharge control device (100) for a secondary battery, which comprises: a detection unit (110) for detecting the charge of the seco...
https://drivepatents.com/patents/1066557 · 14 Jun 2006
In a hybrid-drive electric vehicle, upon request of gear shifting of a transmission (2), a clutch (3) is first disconnected and the transmission (2) is set to a neutral position. The rotating electric generator 4 is then operated in a motor mode or a power...
https://drivepatents.com/patents/1068303 · 12 Apr 2006
The motor vehicle has a hybrid drive with an electrical storage device (11) with individual capacitor cells (12) for an electric drive. The storage device is mounted on the vehicle body. The capacitor cells are connected in series and arranged in at least ...