Housing Arrangement for an Electrical Machine

摘要

A motor/generator unit is disclosed which is arranged to be fitted in the drive train of a vehicle, such as a hybrid vehicle. The unit comprises an electrical machine (10, 12) and a housing arrangement (14, 16). The housing arrangement comprises an inner housing (14) arranged to accommodate the electrical machine, and an outer housing (16) arranged to fit around the inner housing. This can allow the electrical machine to be provided as a self-contained unit suitable for use in different applications.