| 摘要 |
A vehicle differential includes a clutch assembly and a hydraulic actuator for selectively preventing relative rotation between a pair of vehicle half axles. The differential assembly has an outer housing rotatably mounting a gear case and ring gear therein. A planetary gear assembly is coupled between the gear case and one half axle. The planetary gear assembly is also coupled to a sun gear which in turn is coupled to the other half axle. The clutch assembly is coupled between the gear case and the sun gear. An annular manifold is fixedly mounted in the outer housing and sealingly engages an outer surface of the gear case for supplying pressured hydraulic fluid to actuate a piston in a cylinder formed in the gear case which in turn actuates the clutch assembly. The pressure of the hydraulic fluid determines a range of torque differentials for which the clutch assembly will prevent relative rotation between the half axles.
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