| 摘要 |
A differential transmission including a rotatable casing, a pair of pinion gears coupled to the casing, a pair of side gears engaged with the pinion gears, a pair of wheel axles engaged with the side gears, and a limited torque transmitter, in the form of a rotary pump, which pumps the transmission fluid. The torque transmitter develops internal torsional resistance only when the differential speed ratio of the axles exceeds a predetermined value, such as when one wheel slips.
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