Torque limiting clutch having set torque range over its useful l

Details Torque limiting clutch having set torque range over its useful l Torque limiting clutch having set torque range over its useful l

1990-05-03

1991-06-04

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Torque responsive

464 48, F16D 702

Patent

active

050206508

ABSTRACT:
A torque limiter has an input flange connected to an output hub through a force generating subassembly which includes a pressure plate and a cover plate having a plurality of springs interposed therebetween. The cover plate is fixedly secured to the input hub in fixed spaced apart relationship. A friction material is secured to opposite faces of a circumferential flange which is integral with the output hub. The friction surfaces engage the pressure plate and input hub, establishing the force transmitting interface. The force generating subassembly has a characteristic spring force associated therewith which is slightly increased when the assembly is completed. The total degradation of characteristic torque diminishes by only ten percent over the useful life of the clutch. The springs are color coded and visually verifiable.

REFERENCES:
patent: 2306730 (1942-12-01), Holmes
patent: 2939301 (1960-06-01), Huddle
patent: 2940283 (1960-06-01), Christenson et al.
patent: 2953911 (1960-09-01), Tigerman
patent: 3100974 (1963-08-01), Wilson et al.
patent: 3984999 (1976-10-01), Kopp
patent: 4501570 (1985-02-01), Konrad
patent: 4645472 (1987-02-01), Heindenreich

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