| 摘要 |
A motor vehicle 5 is disclosed having an engine 10 used to drive a number of ancillary devices 12, 14, 16 and 18 via an ancillary drive 11 . An electronically controlled disengageable connection 21 is provided to selectively disengage the drive from the engine 10 to the ancillary drive 11 when a high power output is required from the engine 10 to drive the motor vehicle 5 . When the ancillary drive 11 is disengaged a source of motive power 12 is used to power the ancillary devices 14, 16 and 18 so as to maintain their operation.
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