Torque limiting clutch having centrifugally regulated...

Details Torque limiting clutch having centrifugally regulated... Torque limiting clutch having centrifugally regulated...

2005-04-05

2005-04-05

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Torque responsive

C192S083000, C192S090000, C192S10400R, C464S048000

Reexamination Certificate

active

06874606

ABSTRACT:
A torque limiting clutch or coupler is provided for implementation between input and output shafts. A spring biased friction stack assembly establishes a characteristic breakaway torque of the unit. A torque modifying plate is fixed to a pressure plate and, in conjunction with an end plate, defines a ring-like cavity having a bladder therein filled with a fluid. As the torque limiting clutch or coupler begins to rotate, the fluid within the bladder is forced outwardly by centrifugal force and, as the speed increases, the restriction on the fluid radially causes it to begin to move axially, causing the pressure plate to act against the spring bias in one embodiment and to supplement the spring bias in another embodiment, regulating the characteristic breakaway torque as a function of rotational speed.

REFERENCES:
patent: 4471861 (1984-09-01), McIntosh
patent: 4583626 (1986-04-01), Spridco
patent: 5002517 (1991-03-01), Heidenreich et al.
patent: 5626215 (1997-05-01), Berger et al.
patent: 57061831 (1982-04-01), None

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