Rotational speed differential responsive type control coupling w

Details Rotational speed differential responsive type control coupling w Rotational speed differential responsive type control coupling w

1991-06-27

1993-03-16

Braun, Leslie A.

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Control of differential planetary gearing

192 60, 192103F, 475 88, 475 94, 475106, 475231, F16H 144, F16H 1455, F16D 3102

Patent

active

051940531

ABSTRACT:
A transfer torque control device for a rotational speed responsive type control coupling is provided for providing a desired variation of a transfer torque in response to a variation of a rotational speed differential. The control coupling has orifices for restricting fluid flow therethrough and for thereby producing a transfer torque between first and second axle shafts. The transfer torque control device controls the orifices in such a manner that the openings of the orifices are varied successively in response to variations of the rotational speed differential to obtain the desired torque transfer characteristic.

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