Force -transmission unit comprising speed -dependent...

Details Force -transmission unit comprising speed -dependent... Force -transmission unit comprising speed -dependent...

2007-10-30

2007-10-30

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S035000

Reexamination Certificate

active

10149078

ABSTRACT:
A power transmission unit with a hydraulic coupling dependent on a rotational-speed difference, in which, when a rotationalspeed difference occurs between the input member (1) and the output member (6), a hydrostatic displacement machine (20) produces in a pressure space (34) a pressure that acts on a piston (27) acting on a friction clutch (31), has a housing (4). To compensate for the centrifugal force acting on the working fluid in the pressure space (34), at least one centrifugalforce element (11, 12, 13) is provided in the housing, exerting on the piston (27) a force counter to the pressure produced by the centrifugal force in the pressure chamber (34).

REFERENCES:
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patent: 3199648 (1965-08-01), Schwab
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patent: 4834229 (1989-05-01), Kanazawa
patent: 5310388 (1994-05-01), Okcuoglu et al.
patent: 6041903 (2000-03-01), Burns et al.
patent: 6675944 (2004-01-01), Lee
patent: 0443149 (1991-08-01), None
patent: 2760058 (1998-08-01), None

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