Method and apparatus for calibrating a railroad tank car

Details Method and apparatus for calibrating a railroad tank car Method and apparatus for calibrating a railroad tank car

1981-04-27

1983-09-27

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

73149, G01F 2500, G01F 1700

Patent

active

044061528

ABSTRACT:
A railroad tank car is calibrated by continuously adding liquid into the tank car from a liquid supply means. The amount of liquid is measured by meter means as the liquid is being continuously added. Depth sensor means continuously determines the depth of liquid in the tank car. A computer is used to monitor the instruments and to obtain a measure of the volume of liquid in the tank car at pre-determined depths and to correlate the volume measure with the measured depth.

REFERENCES:
patent: 2628493 (1953-02-01), Sandefur
patent: 3169396 (1965-02-01), Renoult
patent: 3680606 (1972-08-01), Ensign
patent: 3933027 (1976-01-01), Mehall
patent: 4307601 (1981-12-01), Jackson
API Standard 2554, ASTM Designation D 1409-65, "Method for Measurement and Calibration of Tank Cars," USAS Z11.201-1966.
Technical Bulletin, TB-70-11, GATX, Aug. 1970.

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