Patent ID: 11884259
Assignee: NINGBO GEELY AUTOMOBILE RESEARCH & DEVELOPMENT CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F  Y | IPC B  F

Claim 11:
12. The drive train according to claim 11, wherein the transmission control unit is further configured to:
calculate a total frictional work resulting from performing the total rotational speed synchronisation by means of only the mechanical synchroniser of the stepped gear transmission if the first synchronisation time period exceeds the second synchronisation time period, or if the first synchronisation time period exceeds the second synchronisation time period more than 25%, and
perform the rotational speed synchronisation by means of both the electric traction motor and the mechanical synchroniser if the calculated total frictional work exceeds a maximal frictional work (Wlim) of the mechanical synchroniser.