Tank car loading control and monitoring system and method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-001/30
출원번호
US-0241752
(2005-09-30)
등록번호
US-7451789
(2008-11-18)
발명자
/ 주소
Fiore,Joseph C.
출원인 / 주소
Delaware Capital Formation, Inc.
대리인 / 주소
Seyfarth Shaw LLP
인용정보
피인용 횟수 :
1인용 특허 :
37
초록▼
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. The system includes a magnetostr
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. 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.
대표청구항▼
What is claimed is: 1. A method for automatically maximizing the quantity of a fluid which can be placed within a tank car comprising the steps of: placing a probe having a movable float thereon within a tank car to be filled with a fluid, wherein the float is buoyed by the fluid; determining a max
What is claimed is: 1. A method for automatically maximizing the quantity of a fluid which can be placed within a tank car comprising the steps of: placing a probe having a movable float thereon within a tank car to be filled with a fluid, wherein the float is buoyed by the fluid; determining a maximum product weight of the fluid for the tank car using the lesser of either the maximum weight limit of the tank car and the maximum calculated product weight at 2% outage; wirelessly activating one of either a pump or a control valve to begin addition of fluid to the tank car; calculating an outage value of the tank car based on a float line created by the float in the fluid; wirelessly directing the outage value to a controller, calculating a float line correction for a given fluid at a determined temperature; wirelessly directing the float line correction to the controller; adjusting, via the controller, the outage value of the tank car based on the float line correction; repeating the steps of calculating a float line correction through adjusting the outage value for fluid temperature changes of at least 10 degrees F. during addition of fluid to the tank car; calculating the full point tank volume prior to complete filling of the tank car based upon the formula: description="In-line Formulae" end="lead"determined actual maximum product weight/(specific gravity of fluid at fluid temp��8.33 lbs/gallons);description="In-line Formulae" end="tail" wirelessly directing the calculated full point tank volume to the controller; determining, via the controller, a level point corresponding to the full point tank volume calculated; then deactivating either one of a pump or a control valve to cease addition of fluid to the tank car when the fluid reaches the level point. 2. The method of claim 1, wherein the step of deactivating either one of a pump or a control valve is performed wirelessly. 3. The method of claim 1, wherein the step of calculating an outage value is done continuously. 4. The method of claim 3, further comprising the step of performing the method in real time. 5. The method of claim 4, wherein the probe comprises memory and the step of performing in real time comprises the step of storing a gauging table for the tank car in the memory of the probe. 6. The method of claim 1, further comprising the step of wirelessly monitoring the fluid addition, including calculated values and fluid temperature. 7. The method of claim 1, wherein the step of calculating a float line correction is performed in real time. 8. The method of claim 7, wherein the probe comprises memory and the step of calculating a float line correction in real time comprises the step of storing a gauging table for the tank car in the memory of the probe. 9. The method of claim 1, wherein the step of adjusting, via the controller, the outage value is performed in real time. 10. The method of claim 9, wherein the probe comprises memory and the step of adjusting the outage value in real time comprises the step of storing a gauging table for the tank car in the memory of the probe. 11. The method of claim 10, wherein the controller is capable of controlling operations for at least two tank cars simultaneously. 12. The method of claim 1, wherein the step of determining a maximum product weight comprises using a wireless transponder coupled to the probe. 13. The method of claim 1, wherein the step of wirelessly directing the outage value to a controller comprises using a wireless transponder coupled to the probe. 14. The method of claim 1, further comprising activating visual cues to correspond to changing system status. 15. The method of claim 14, wherein the visual cues include a visual cue corresponding to a point less than the full point tank volume. 16. The method of claim 15, wherein the corresponding point is in the range of from about 10% outage to about 3% outage. 17. A method for automatically correcting the quantity of fluid measured within a tank car during filling comprising the steps of: activating one of either a fluid pump or a control valve to begin addition of a given fluid to a tank car; calculating an outage value of the tank car based on a float line of a float in the fluid; wirelessly directing the calculated outage value to a remote device; measuring a temperature of the given fluid; calculating a float line correction for the given fluid based on the determined temperature; wirelessly directing the float line correction to the remote device; periodically repeating the step of determining a temperature of the given fluid to monitor for changes in fluid temperature; and repeating the steps of calculating a float line correction through adjusting the outage value when the determined temperature of the fluid changes at least 10 degrees F. 18. The method of claim 17, wherein the method is performed in real time. 19. The method of claim 17, wherein the step of calculating a float line correction is performed in real time. 20. The method of claim 17, further comprising the step of calculating the full point tank volume prior to complete filling of the tank car based upon the formula: 21. The method of claim 20, further comprising the step of determining a level point corresponding to the full point tank volume calculated. 22. The method of claim 21, further comprising the step of deactivating either one of a pump or a control valve to cease addition of fluid to the tank car when the fluid reaches the level point. 23. The method of claim 22, wherein the method is performed in real time. 24. The method of claim 17, wherein the step of wirelessly directing the calculated outage value to a remote device comprises using a wireless transponder coupled to a probe. 25. The method of claim 17, wherein the step of wirelessly directing the float line correction to the remote device comprises using a wireless transponder coupled to a probe.
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