An internal combustion engine comprises includes a turbo-compound and the known Föttinger-coupling is replaced by a torsion vibration damper. The Föttinger-coupling, which is used to transmit power, has high losses in power when it is necessary to have a differential rotational speed between the input...http://www.google.com/patents/US7966817?utm_source=gb-gplus-sharePatent US7966817 - Compound transmission
