An energy storage device (1), in particular for use in motor vehicles, having at least one base body (3) and at least one housing part (5a, 5b) attached thereto for receiving at least one energy storage unit (31), is proposed. The energy storage device is ...

An energy storage system (1), in particular for use in a motor vehicle, is proposed. The energy storage system comprises: an energy storage device (3) with a plurality of energy storage cells (5, 5a, 5b, 5c, 5d, 5e) connected in series; at least one switch...

The voltage drop stabilizing device (1) has a primary terminal (3) to connect the device with a power supply such as vehicle battery (B). A secondary terminal (5) is arranged to connect the device with a starter (S) of motor car. A starting operation detec...

The apparatus (1) has a direct current-direct current converter circuit (3), an energy storage device (5) e.g. double layer-capacitor, and a changeover switch (7) i.e. relay, that are designed and arranged in such a manner that the energy storage device is...

The system (50) has a measuring unit (52) determining voltages lying at individual capacitor cells (32-1 to 32-n) by voltage measurements. An evaluation unit (100) determining a reference voltage for the capacitor cells. Discharging branches (80-1 to 80-n)...

The system has a motor application controller (24) arranged away from a direct current (DC) motor application (21) and comprising a three-phase DC/DC transducer for controlling the DC motor application by DC voltage. The motor application controller is arr...