High sensitivity electronic integrating torque rheometer

Details High sensitivity electronic integrating torque rheometer High sensitivity electronic integrating torque rheometer

1976-12-29

1978-06-06

Hohauser, Herman J.

Electricity: motive power systems

With signals, meters, recorders or testing devices

G05B 108

Patent

active

040939022

ABSTRACT:
A mixing control system for elastomeric materials is described that includes a mixer housing forming a mixing chamber therein for receiving said elastomeric materials; at least one rotatable mixing means in the chamber; a dynamometer coupled to and driving said rotatable mixing means; torque sensing means for detecting torque exerted by the mixing means; said sensing means providing a torque signal level for controlling said mixing means; voltage-to-frequency conversion means for processing signal in which the pulse frequency varies in correspondence to the amplitude of the signal level; pulse counting means for continuously and cumulatively counting the pulses of said pulse signal; display means for displaying the count of said pulse counting means as the value of the integral of said signal level with respect to time; and control responsive means automatically responsive to a predetermined integrated value of said display means for controlling the total mixing energy input to the mixing control system.

REFERENCES:
patent: 3909692 (1975-09-01), Jungel
patent: 3951389 (1976-01-01), Porter

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