Trailer has axle and wheel for receiving semi trailer, which has electrical machine with energy storage that is integrated in trailer as drive unit, where electrical machine is operated as generator

摘要

The trailer has an axle and a wheel for receiving a semi trailer, which has an electrical machine with an energy storage that is integrated in the trailer as drive unit. The electrical machine is operated as generator, where the energy storage is charged by kinetic energy of the trailer or brake energy. An internal combustion engine is provided in addition to the electrical machine, which forms a series or parallel hybrid system with the electrical machine.