About 134 results
https://drivepatents.com/patents/957062 · 14 Oct 2015
A power supply device for supplying power to a load by combining a secondary battery and a capacitor connected in parallel to the secondary battery includes an insulation type DC-DC converter with a primary coil connected in parallel to the secondary batte...
https://drivepatents.com/patents/948825 · 30 Sep 2015
An inverter device includes an inverter circuit, which has switching elements in a bridge connection, a capacitor, which is connected in parallel to the input side of the inverter circuit, a temperature detector, which detects the temperature of the capaci...
https://drivepatents.com/patents/948818 · 30 Sep 2015
An inverter device includes an inverter circuit, which has switching elements in a bridge connection, a capacitor, which is connected in parallel to the input side of the inverter circuit, a control device, which controls the inverter circuit, a temperatur...
https://drivepatents.com/patents/957363 · 23 Sep 2015
Provided is a method for preventing overheating of a traction motor in an electric vehicle. The method for preventing the overheating of the traction motor in the electric vehicle includes identifying magnitude of an output load of the motor, identifying a...
https://drivepatents.com/patents/957574 · 16 Sep 2015
A power supply device for supplying power to a load by combining a secondary battery and a capacitor includes a switching element which switches the supply of power to the load from the capacitor, a DC-DC converter which enables a voltage of the capacitor ...
https://drivepatents.com/patents/949036 · 9 Sep 2015
According to one embodiment, an inverter controller includes a current controller (10) which calculates and output PWM modulation ratio instructions of a first phase and a second phase, such that an inverter outputs a predetermined current; a switching tim...
https://drivepatents.com/patents/957992 · 2 Sep 2015
A sampling period of information according to a load state of an alternating-current motor is controlled so as to be variable with respect to a carrier period of a PWM circuit, and a predetermined arithmetic operation for aggregating information sampled in...
https://drivepatents.com/patents/949195 · 2 Sep 2015
An apparatus includes a multi-channel DC bus assembly comprising a first channel 14 and a second channel 20, a first electromechanical device 74 coupled to a positive DC link 18 of the first channel 14, and a second electromechanical device 82 coupled to a...
https://drivepatents.com/patents/949329 · 19 Aug 2015
A device (1, 100) for managing a battery, including: - a first coupled inductor element (4, 400), such as for example a motor, connected to an electric plug adapted to be connected to an electrical grid (3), - a first electronic bridge (5), connected to th...
https://drivepatents.com/patents/949579 · 12 Aug 2015
A motor abnormality detection apparatus for an electric vehicle is provided which is able to accurately detect an abnormality of electric motors and allows the cost to be reduced. The apparatus includes: a steering angle sensor (15b) sensing a steering ang...