Shunt calibration system for a transducer mounted on a rotating

Details Shunt calibration system for a transducer mounted on a rotating Shunt calibration system for a transducer mounted on a rotating

1982-09-30

1986-12-09

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

73 1C, 7386235, G01L 302

Patent

active

046272968

ABSTRACT:
A rotary transformer transducer system includes a rotatable shaft having a rotor and a transducer each mounted thereon, and a stationary member including a stator, with the rotor and stator coupling electrical energy therebetween without physical contact. A resistor mounted on the rotatable shaft is selectably switched to provide direct shunt calibration of the transducer without physical contact with the stationary member. A solid state switch, mounted on the shaft couples the resistor to the transducer. The switch is operated by a pulse coded signal coupled in the reverse direction through the rotary transformers normally provided to transmit the transducer signals.

REFERENCES:
patent: 3797305 (1974-03-01), Haskell
patent: 3850030 (1974-11-01), Adler

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