Controllable viscous coupling

Details Controllable viscous coupling Controllable viscous coupling

2005-03-15

2005-03-15

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Fluent material and mechanical

C192S058410

Reexamination Certificate

active

06866131

ABSTRACT:
The invention relates to a controllable viscous coupling for generating a locking effect between two coupling parts rotatable relative to one another around a common longitudinal axis, more particularly for the driveline of a motor vehicle. This viscous coupling comprises a first coupling part, a second coupling part, wherein the first and the second coupling part form a sealed annular chamber. First plates are connectable to the second coupling part in a rotationally fast way. Controllable connecting apparatus allow switching between an open position in which the second plates are freely rotatable relative to the second coupling part and a closed position in which the second plates are connected to the second coupling part in a rotationally fast way.

REFERENCES:
patent: 4885957 (1989-12-01), Taureg et al.
patent: 5054596 (1991-10-01), Taureg et al.
patent: 5080210 (1992-01-01), Hagiwara
patent: 5156247 (1992-10-01), Wiese et al.
patent: 5161658 (1992-11-01), Hagiwara
patent: 6443282 (2002-09-01), Kwoka
patent: 20040020739 (2004-02-01), Kwoka et al.

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