Method and system to trigger release of a safety disconnect clut

Details Method and system to trigger release of a safety disconnect clut Method and system to trigger release of a safety disconnect clut

1985-10-07

1987-05-05

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 56R, 192 88A, 192101, 192150, F16D 702, F16D 2504

Patent

active

046624929

ABSTRACT:
The transferred torque is continuously measured at a predetermined machine portion. A torque-dependent comparison signal is generated and compared with a predetermined maximal torque limit value. When the limit value is reached or exceeded, a positioning signal is generated, and the switching element releases the clutch. The generation of the torque-dependent comparison signal is effected in accordance with the measurement function M=M(t)+dM/dt.multidot..DELTA.t. In addition to measuring the transferred torque M(t), the variation dM/dt of the torque M(t) is also detected as a function of time, and subsequently the torque obtained as a comparison signal from the variation dM/dt at the end of a predetermined time interval .DELTA.t following the particular time of measurement is used as a comparison signal. The clutch is preferably formed with end face teeth.

REFERENCES:
patent: 4321991 (1982-03-01), Teijido et al.
patent: 4393966 (1983-07-01), Kono et al.

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