Measuring and testing – Volume or rate of flow – Using rotating member with particular electrical output or...
Patent
1984-12-31
1987-06-23
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Using rotating member with particular electrical output or...
200 819M, 335207, 73198, G01F 1115
Patent
active
046743383
ABSTRACT:
The present invention is directed to an apparatus and method for monitoring the continued rotation of a non-magnetically attractive indicator, e.g., a rotating, plastic dial, disc, wheel, arm or the like of a meter. The present invention is particularly useful for detecting the satisfactory operation of flow meters, e.g., meters used to determine the flow of fluids from oil and gas wells, in transmission lines and in chemical processing plants. The present invention provides a system for monitoring the operation or rotation by employing a rotating, magnetically attractive actuator to actuate a magnetic switch which in turn actuates an electrical switch for producing a monitoring signal. The apparatus and method of the present invention provide a rigid, dependable, accurate and wear-free device for monitoring the continued operation of a flow or other meter.
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Goldstein Herbert
Lake Charles Instruments, Inc.
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