About 144 results
https://drivepatents.com/patents/959214 · 8 Jul 2015
A method for changing a capacitance value of an output capacitor of a power factor corrector (PFC) includes applying AC power to a power conversion circuit. It is sensed whether an instantaneous power failure occurs in the AC power. Output capacitors of th...
https://drivepatents.com/patents/959219 · 8 Jul 2015
A battery charging system includes a PFC converter which converts an alternating current input voltage which is input from a power supply to a direct current output voltage, a DC-DC converter which changes an output voltage of the PFC converter, a battery ...
https://drivepatents.com/patents/959485 · 1 Jul 2015
A battery degradation determining apparatus and method for a vehicle is provided. The method includes charging a battery in a constant current mode to a predetermined voltage and charging the battery in a constant voltage mode when a voltage of the battery...
https://drivepatents.com/patents/959491 · 1 Jul 2015
A system for controlling an electric vehicle and method thereof are provided. The control method of electric vehicle includes operating a battery and a motor, detecting a torque command, a motor speed, and a motor current, calculating a motor voltage from ...
https://drivepatents.com/patents/959416 · 1 Jul 2015
A system of recycling exhaust heat from an internal combustion engine may include an EGR line circulating a portion of exhaust gas generated from the engine to an intake side, a working fluid circulating line configured to have a working fluid satisfying a...
https://drivepatents.com/patents/959794 · 24 Jun 2015
A system for controlling an air flow rate into a vehicle engine room may include a fan shroud in which a cooling fan including a fan motor and a fan blade may be mounted, a rotary shutter which may be provided in the fan shroud while corresponding to an op...
https://drivepatents.com/patents/959783 · 24 Jun 2015
A pedestrian air-bag for a vehicle may include a housing coupled to a lower end surface of a windshield side of a hood of the vehicle and having a cut line formed at an upper portion of a rear surface in the housing, and a hinge part formed at a lower port...
https://drivepatents.com/patents/959683 · 24 Jun 2015
A system of recycling exhaust heat from an internal combustion engine may include a working fluid circulating line configured to rotate a turbine with a working fluid vaporized by heat received from an EGR line of the internal combustion engine, an EGR sid...
https://drivepatents.com/patents/959681 · 24 Jun 2015
A system for recycling exhaust heat from an internal combustion engine is based on a recycling type of circulating a working fluid using the exhaust heat from the internal combustion engine. The system may include an EGR line configured to circulate a port...
https://drivepatents.com/patents/959946 · 17 Jun 2015
An apparatus for controlling a charge for a battery is provided. The apparatus includes an input unit that is configured to convert alternating current (AC) input power into direct current (DC) power. A first converter is configured to store or output the ...