Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Control of differential planetary gearing
Patent
1994-03-15
1996-08-20
Marmor, Charles A.
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Control of differential planetary gearing
475221, F16H 4826
Patent
active
055474306
ABSTRACT:
A drive assembly for a four wheel drive vehicle has, in the region of the front axle, a distributor assembly 5 which includes the distributor differential 13 for distributing the driving torque between the front axle and rear axle and two viscous couplings 39, 51 for at least partially locking the two differentials 13, 15. The two viscous couplings 39, 51 are arranged side by side, but coaxially relative to the rotational axis X--X. They are accommodated in a separate housing 14c which is removably connected to the housing 14c accommodating the front axle differential. A compact assembly is provided which, furthermore, by means of plug-in connections 40, 52, 59, enables an easy connection and association with the distributor differential 13 and the front axle differential 15, so that in a simple way, merely by exchanging a small number of parts, for instance the plug-in shaft 36, it is possible to provide a four wheel drive in a modular design, with and without locking means for the differentials.
REFERENCES:
patent: 4836051 (1989-06-01), Guimbretiere
Estremsky Sherry
GKN Vicsodrive GmbH
Marmor Charles A.
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