Driving torque transmitting device

Details Driving torque transmitting device Driving torque transmitting device

1989-12-19

1991-04-16

Bonck, Rodney H.

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

192 57, 192103F, F16H 144

Patent

active

050078852

ABSTRACT:
A driving torque transmitting device which has a differential case to which driving torque of an engine is transmitted. Within the differential case, a pair of side gears meshed with pinion gears are disposed around right and left axle shafts so as to be axially slidable thereon. Two annular pistons are disposed between the side gears and end walls of the differential case in contact with the side gears so as to be rotatable with and axially slidable on the differential case to form two annular closed actuating chambers with the end walls of the differential case. Within the closed actuating chambers are disposed two blade plates so as to rotate respectively with the two axle shafts whereby the actuating chambers are divided into two spaces. These two spaces are charged with high-viscosity oil. Due to the relative rotation of the two axle shafts and the differential case, high pressure is generated in the closed actuating chambers to push the pistons toward the side gears so that the side gears are tightly engaged with the pinion gears. Accordingly, the two axle shafts start rotating integrally with the differential case.

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