| 摘要 |
A differential assembly for a motor vehicle comprises a differential case rotatably supported in an axle housing, opposite output shafts drivingly connected to the differential case, a friction clutch assembly for selectively engaging and disengaging the differential case and the output shaft, and a hydraulic clutch actuator for selectively frictionally loading the clutch assembly. The hydraulic clutch actuator includes a variable pressure relief valve controlled by a solenoid actuator for selectively engaging the friction clutch assembly. In order to provide the solenoid actuator with an electrical power and/or control signals in a contactless manner, the differential assembly is further provided with a transformer assembly including a primary transformer unit non-rotatably mounted to the axle housing and connected to a source of electrical energy, and a rotatable secondary transformer unit secured to an outer peripheral surface of the differential case.
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