Coupling assemblies

Details Coupling assemblies Coupling assemblies

1988-01-19

1989-07-11

Rice, Kenneth R.

Motor vehicles

Having four wheels driven

With differential means for driving two wheel sets at...

180249, F16D 3500, B60K 17344

Patent

active

048462993

ABSTRACT:
The invention relates to a coupling assembly which is controllable to vary the amount of torque transmitted by the assembly. The latter comprises a housing (2, 70) and hub carrying sets (12, 26, 97, 98, 99) of interleaved plates, the housing being filled with a viscous liquid. Means (4, 29; 23, 24, 25, 51) externally of the housing is provided rapidly and repeatedly to increase and decrease pressure applied to the liquid in the housing. Application of such pressure causes the plates of the two sets to come into contact and release of the pressure allows the plates to move apart.

REFERENCES:
patent: 3760922 (1973-09-01), Rolt et al.
patent: 4031780 (1977-06-01), Dolan et al.
patent: 4048872 (1977-09-01), Webb
patent: 4432431 (1984-02-01), Russell
patent: 4605087 (1986-08-01), Ashauer et al.

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