B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
B67D 7/08 (2010.01) B65G 69/02 (2006.01) B61D 5/00 (2006.01) G01F 23/62 (2006.01)
Patent
CA 2541654
A system and method for automatically maximizing the quantity of a fluid which can be placed within a tank car having a maximum product weight based on the lesser of either an industry maximum product weight limit and a maximum calculated product weight at 2% outage is disclosed. The system includes a magnetostrictive probe having a movable float and a temperature gauge thereon and mounted within a tank car, such that the float is capable of being buoyed by a fluid. The system further includes a fluid pump capable of activation to transfer fluid from a bulk source to a tank car, and a controller coupled wirelessly to the magnetostrictive probe and an input device, and wired to one of either a fluid pump or shutoff valve, such that the maximum product weight is entered to the controller by the input device and the controller activates the pump or shutoff valve to begin addition of fluid to the tank car. A system monitor is coupled to the controller and wirelessly coupled to the magnetostrictive probe as well. In use, the system monitor obtains an outage value of the tank car based on a float line of the float in the fluid and the temperature of the fluid and the monitor calculates a float line correction for the given fluid at the determined temperature and then calculates a full point tank volume prior to complete filling of the tank car based upon the formula: determined actual maximum product weight (specific gravity of fluid at fluid temp × 8.33 lbs/gallons) wherein the calculated full point tank volume is directed to the controller and a level point (outage) corresponding to the full point tank volume is calculated by the controller which then deactivates the pump or shutoff valve when the calculated outage value equals the level point (outage).
Delaware Capital Formation Inc.
Smart & Biggar
LandOfFree
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