A generator (11) is driven by an engine (10) as a power source, a single electric motor (13) is rotated by power supplied from the generator (11), and operating parts of a lower traveling body, an upper rotating body and an excavating attachment are operat...

In a hybrid vehicle of the present invention, an engine EG is subjected to feedback control to attain a target revolving speed NE∗. In the case of malfunction of an inverter P1 for a generator GN, operation of the inverter P1 is stopped. When the generat...

In a hybrid drive device which drives an electrical motor with an electrical power of a storage device and/or the electrical power of a generator driven by the engine, in general a secondary battery is used as a storage device. However running costs of the...

A battery assembly includes a plurality of battery modules electrically connected together, each battery module acting as a secondary battery and including an electrode group, an electrolyte, a container for housing the electrode group and the electrolyte,...

This invention relates to a vehicle charge assembly (10) for use within a vehicle (12) having a transmission (20) and more particularly, to an assembly which selectively stores and provides electrical charge to a vehicle starter (16), effective to allow a ...

A voltage detection apparatus for detecting a voltage of at least one battery includes: capacitor means to which a voltage is applied from the at least one battery and in which an electric charge accumulates; adjustment means for adjusting potentials at bo...

The present invention provides a battery voltage measuring device capable of immediately detecting a breakage in the voltage measuring line in a battery voltage measuring device that detects the battery voltage. In blocks formed by connecting a plurality o...