Torque measuring apparatus for valve operating system

Details Torque measuring apparatus for valve operating system Torque measuring apparatus for valve operating system

1987-05-13

1988-11-29

Yasich, Daniel M.

Measuring and testing

Blower, pump, and hydraulic equipment

7386223, G01M 1900

Patent

active

047872454

ABSTRACT:
An apparatus for monitoring, measuring and recording rotational forces and torque within a valve actuator comprises a load cell supported between two arm members, one arm member being mounted stationary to the housing of the valve actuator and the other arm being interfaced for rotation with a worm gear within the actuator. The resulting connection between the two arm members, through the load cells, results in blocked rotation of the worm gear and development of torque within the actuator, which torque is monitored through measurement of the rotational force at the load cell and knowledge of the moment arm of the force at the load cell. A time related trace of the torque is provided and comparison and correlation is made to time traces of other system parameters.

REFERENCES:
patent: 4498336 (1985-02-01), Dalton
patent: 4542649 (1985-09-01), Charbonneau et al.
patent: 4570903 (1986-02-01), Crass
patent: 4693113 (1987-09-01), McNennamy et al.

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