Walter Kohl

Alternator for a motor vehicle having a ventilator and device for monitoring and a controlling the ventilator

Method and apparatus for voltage regulation depending on battery charge

Data synchronisation process, and transmission and reception interfaces

Apparatus and method for controlling the output power of a generator to maintain generator temperature below an allowed limiting value

Device for supplying voltage in a motor vehicle having parallel connected generators

Voltage regulator for an alternator and method of regulating voltage generated by an alternator

Circuit arrangement for starting detection of three-phase generator

Regulatable alternating device with means for determining final temperature

Device and method for regulating a generator

Over-voltage protected, self-contained mobile electrical network system, particularly for automotive applications