Transfer case having parallel clutches

Details Transfer case having parallel clutches Transfer case having parallel clutches

1999-04-16

2000-12-05

Marmor, Charles A.

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

192 481, 192 484, 475206, 180249, 180247, F16D 4700

Patent

active

061553956

ABSTRACT:
A transfer case includes a double overrunning or two-way clutch and torque limited centrifugal cone clutch disposed in mechanical parallel between a primary and secondary output of the transfer case. The double overrunning clutch includes a plurality of rollers disposed between concentrically arranged drive and driven members. The centrifugal cone clutch includes a preload or preset biasing spring which sets a minimal torque throughput, a plurality of weights which adjust the clutch force and thus torque throughput dependent upon the speed and stops which limit motion of the weights and thus determine the maximum clutch compressive force and torque throughput.

REFERENCES:
patent: 5620072 (1997-04-01), Engle
patent: 6033334 (2000-03-01), Showalter
patent: 6062361 (2000-05-01), Showalter

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