Load sensor for a grinding mill

Details Load sensor for a grinding mill Load sensor for a grinding mill

1976-03-25

1978-10-31

Rolinec, Rudolph V.

Solid material comminution or disintegration

Processes

Miscellaneous

241 34, 241 36, 318490, 324158MG, B02C 404, H02P 300, G01R 3102

Patent

active

041230094

ABSTRACT:
A method and apparatus for detecting predetermined operating conditions of a machine driven by an electric motor, in which a filtered electric signal is utilized. The filter is designed to signal the occurrence of frequencies within a predetermined band, thereby enabling detection of an event characterized by the occurrence of such frequencies. The output of the filter can be used, for example, in a further device to operate an alarm, turn off the motor, reduce the feed to the machine, or any other suitable control action.

REFERENCES:
patent: 2654860 (1953-10-01), Lewis
patent: 3050264 (1962-08-01), Marcyes et al.
patent: 3555537 (1971-01-01), Windley
Roumanis, S. J.; "The Null Point Method . . ."; AIEE Transactions; Apr. 1956; pp. 147-152.

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