| Patent application number | Description | Published |
|---|
| 20080230290 | Vehicle - A vehicle suitable in consideration of each of an electric power supply amount to a motor and a mounting space of a fuel cell or the like is provided. | 09-25-2008 |
| 20080297126 | Combined type transformer and buck-boost circuit using the same - Combined type transformer includes: a transformer core; first and second coils provided with respect to the transformer core; first and second inductor cores provided around the first coil; and third and fourth inductor cores provided around the second coil. The transformer core and the first and second coils constitute a transformer, the first coil and the first and second inductor cores constitute a first inductor, and the second coil and the third and fourth inductor cores constitute a second inductor. | 12-04-2008 |
| 20090039815 | Power supply device for vehicles - A power supply device for vehicles, output units ( | 02-12-2009 |
| 20090039839 | Fuel cell power supply device - A fuel cell power supply device capable of externally supplying electric power in a stable manner is provided. The fuel cell power supply device includes a fuel cell ( | 02-12-2009 |
| 20090133943 | Vehicle mounted with fuel cell power supply system - It is an object of the present invention to provide a vehicle that can efficiently cool or heat a group of the components, in view of appropriate operating temperature ranges of respective components configuring a fuel cell power supply system, while realizing saving of a mounting space in the vehicle and cost of the vehicle. A vehicle | 05-28-2009 |
| 20090142634 | Fuel cell power supply device - It is an object of the present invention to provide a fuel cell power supply device that can realize a reduction in size and improvement of durability of an accumulating unit while maintaining output performance that is applicable when large output is requested. The fuel cell power supply device includes: an output judging unit | 06-04-2009 |
| 20090146493 | Vehicle power supply device - A vehicle power supply device which prevents a lack of power supply to the motor and insufficient recovery of regenerative electric power of the motor at the time of switching between power running and regeneration. First input-output sections ( | 06-11-2009 |
| 20090186247 | Fuel cell power supply - A fuel cell power supply includes a fuel cell voltage detection means which detects a terminal-to-terminal voltage of the fuel cell; an internal resistance calculation means which supplies electric power from a battery to a motor via a second DC-DC converter and calculates a resistance value of an internal resistance of the fuel cell on the basis of a detection voltage of the fuel cell in a state where a current output of the fuel cell is stopped, a detection voltage of a terminal-to-terminal voltage of the fuel cell in a state where the output current of the fuel cell is adjusted to a value, and the value; and a deterioration level determination means which determines a deterioration level of the fuel cell on the basis of a change in the resistance value of the internal resistance of the fuel cell. | 07-23-2009 |
| 20090191451 | Battery assembling body and vehicle on which battery assembling body is mounted - A battery assembling body capable of preventing a temperature rise of a battery while preventing an inflow of foreign matters. The battery assembling body ( | 07-30-2009 |
| 20090289589 | Power supply system - A power supply system includes a fuel cell, a capacitor connected in parallel to the fuel cell, a voltage boost means for boosting output voltages from the fuel cell and the capacitor to supply the electric motor with electric power resulting from the boosted voltages, a voltage control means for further boosting an output voltage from the voltage boost means, a secondary battery connected to the voltage control means, an external power source connecting means connected to the one end of the voltage boost means and in parallel with the fuel cell and for receiving supply of electric power from an external power source, and an electronic control unit which charges the secondary battery from the external power source by controlling step-up ratios of the voltage boost means and the voltage control means such that a voltage applied to the secondary battery during the charging becomes a desired voltage. | 11-26-2009 |
| 20090290269 | Power converter - The objective of the present invention is to provide a power converter capable of not only boosting the voltage but also shutting-off the flowing current, by switching only the switch element. The power converter | 11-26-2009 |
| 20100104906 | FUEL CELL POWER SUPPLY DEVICE - A fuel cell power supply device can include a fuel cell, a voltage boosting device with an input unit connected to the fuel cell, and an output unit connected to a first load. The boosting device can boost an output voltage and supply electric power to the first load. A storage device is connected to the input unit or the output unit, and a secondary battery can be connected to the output unit of the voltage boosting device via a voltage conversion device. An electric power supply control device controls operation of the voltage conversation device, to carry out supply of electric power to the first load from the secondary battery via the voltage conversion unit. The electric power supply control device also carries out charging of the secondary battery by the supply of electric power to the secondary battery from the voltage boosting device via the voltage conversion device. | 04-29-2010 |
| 20100244798 | DC-DC CONVERTER AND POWER SUPPLYING SYSTEM USING SAME - A DC-DC converter includes first and second capacitors connected in series, a switching part, and a control circuit part which includes a voltage difference calculating part for calculating a difference between voltages of the first and second capacitors, a duty ratio controller for controlling duty ratio of on- and OFF-durations to decrease the voltage difference of the first and second capacitors on the basis of the calculated difference. A power supplying system including the DC-DC converter controls balance between first and second capacitors in voltage on the basis of the powering/regenerating discriminating signal. | 09-30-2010 |
| 20100320982 | COMBINED TYPE TRANSFORMER AND BUCK-BOOST CIRCUIT USING THE SAME - Combined type transformer includes: a transformer core; first and second coils provided with respect to the transformer core; first and second inductor cores provided around the first coil; and third and fourth inductor cores provided around the second coil. The transformer core and the first and second coils constitute a transformer, the first coil and the first and second inductor cores constitute a first inductor, and the second coil and the third and fourth inductor cores constitute a second inductor. | 12-23-2010 |
| 20110156642 | POWER SYSTEM - Provided is a power system capable of assisting an appropriate connection to an external power and preventing inappropriate power charge from being carried out. The power system mounted in a vehicle ( | 06-30-2011 |
