Torque transfer device and engageable, shiftable clutch in an al

Details Torque transfer device and engageable, shiftable clutch in an al Torque transfer device and engageable, shiftable clutch in an al

1986-04-18

1987-10-20

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

192 58C, 192 85CA, 192 0075, 180233, F16D 4706

Patent

active

047008202

ABSTRACT:
A multiple-disk visco-clutch is arranged in the drive line of the front axle and the rear axle of a four wheel-drive motor vehicle. In order to prevent an overheating of the multiple-disk visco-clutch, such as when the vehicle is being towed, the visco-clutch is separable from the drive line by means of a shiftable toothed clutch. The lubricating-oil pressure, the intake pipe vacuum or other characteristic quantities of the motor vehicle may be used for actuating the toothed clutch when the internal-combustion engine is stopped, thereby automatically causing the separating of the multiple disk visco-clutch from the drive line.

REFERENCES:
patent: 2983346 (1961-05-01), Weymann
patent: 3845671 (1974-11-01), Sharp et al.
patent: 3923113 (1975-12-01), Pagdin
patent: 4031780 (1977-06-01), Dolan et al.
patent: 4048872 (1977-09-01), Webb
patent: 4280583 (1981-07-01), Stieg
patent: 4562897 (1986-01-01), Renneker

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