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Clutch actuator cuts weight, cost

BorgWarner TorqTransfer Systems
What: Centrifugal electrohydraulic actuator for all-wheel drive
Innovation: The device uses an electric motor drive pump and a centrifugal pressure regulator to control the hydraulic pressure to an all-wheel-drive clutch. By eliminating a standard system’s accumulator, electronic solenoid control valve and pressure sensor, the actuator is less complex and more compact. The result: a less expensive actuator that is 20 percent lighter.
First customer: Volvo Car Corp. platform for S60, V60, S80, XC60 and XC90; May 2012
Web site: borgwarner.com