DRIVELINE FOR A VEHICLE, VEHICLE WITH SUCH A DRIVELINE AND METHOD OF CONTROLLING A DRIVELINE OF A VEHICLE
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United States of America Patent
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Issued Date -
Aug 7, 2014
app pub date -
Jul 19, 2012
filing date -
Jul 19, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A driveline for a vehicle such that a first group of one or more wheels and not a second group may be driven by prime mover means when the driveline is in a first mode of operation and the second group of one or more wheels may additionally be driven by the prime mover means when the driveline is in a second mode of operation, the driveline comprising: an auxiliary driveshaft; a power transfer unit (PTU) operable by means of PTU actuator means releasably to drivably couple the auxiliary driveshaft to the prime mover means; and a releasable drive unit operable by means of drive unit actuator means releasably to drivably couple the auxiliary driveshaft to the second group of one or more wheels, the PTU actuator means and drive unit actuator means each being powered by means of a pressurised fluid medium, the fluid medium being pressurised by a common pressurisation means.
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