Patent ID: 7833125
Filing Date: 2010-11-16
Classification: B60K,B60L,B60W,Y02T,Y10T

Abstract:
1. A hybrid powertrain including: a combustion engine operable to output rotational power thereat; an electric machine arrangement, operable to output rotational power thereat; a gearbox arrangement for receiving rotational power from at least one of the combustion engine and the electric machine arrangement, the gearbox arrangement being operable to couple corresponding motive power to a load; a control unit arrangement coupled in communication with the combustion engine, with the electric machine arrangement and with the gearbox arrangement for coordinating their operation; wherein the gearbox arrangement is operable to provide a plurality of gearing ratios; wherein the electric machine arrangement is employable to extend a rotation rate range provided in a given gearing ratio at higher rotation rates prior to a gear change from the given gearing ratio to a gearing ratio subsequent thereto.