Powertrax No-Slip Traction System User Manual Manuel d'utilisateur télécharger pdf (Page 9)

“Saddle springs” inserted in the driver saddles press upon the pinion sha and give the

drivers an outward pressure onto the couplers. “Acve Spacers” snug the pinion sha

and communicate its posion to the “synchro ring” mechanisms assembled within the

couplers. The acve spacers t within the drivers and onto the couplers providing on-axis

posioning.

The saddle springs act to keep the driver saddles centered on the pinion sha and

provide damping as power is applied through the pinion sha onto the drivers.

As the dierenal case rotates, the pinion sha advances with it, compressing the saddle

springs unl the pinion sha contacts the driver saddles at a posive power transfer an-

gle. Power is then directed from the drivers to the couplers through posive engagement

tooth proles on the driver and coupler faces that mesh to transfer full power to the drive

wheels. When the vehicle is driven straight, all the power is delivered to both wheels

through both sets of drivers and couplers.

In a turn, the outside wheel in eect “accelerates” ahead of the inside wheel to compen-

sate for the dierence in the turning radius distance of the inner versus the outer wheels.

As the outer wheel rotates faster, because it must travel farther than the inner wheel, it

advances the coupler from the driver and relaxes the power distributed to the outside

wheel. As the coupler connues to advance, it ramps the driver to disengage from the

coupler. The synchro ring connues to turn with the coupler unl it is stopped by the ac-

ve spacer “paddle”. The synchro ring is then posioned to prevent re-engagement of the

driver and coupler unl the turn is complete. The outside wheel in the turn connues to

rotate freely with power being delivered to the inside wheel. When turning concludes,

the synchro mechanism is reset and power is reapplied to both driving wheels. Full wheel

dierenaon is thereby provided automacally and idencally for right and le turns.

Operaon is precise, smooth and quiet.

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Powertrax No-Slip Traction System User Manual Manuel d'utilisateur Page 9