A liquid transportation system includes a loading station where a liquid is loaded into a container of a delivery vehicle, and a drop off location where the delivery vehicle transfers the liquid into a storage tank. The storage tank includes a tank marker including a first identification device that
A liquid transportation system includes a loading station where a liquid is loaded into a container of a delivery vehicle, and a drop off location where the delivery vehicle transfers the liquid into a storage tank. The storage tank includes a tank marker including a first identification device that generates a first signal. The first signal identifies a type of liquid to be stored in the storage tank. The delivery vehicle includes a product marker having a control system and a second identification device. The second identification device identifies a type of liquid contained in the container. The control system receives the first signal and the second signal and determines whether the type of the liquid stored in the container is the same as the type of liquid to be stored in the storage tank.
대표청구항▼
1. A system for reducing unintentional mixing of different liquid types in a storage tank, the system comprising: a first identification device coupled to a tanker truck, the tanker truck including a container having a liquid stored therein, the first identification device configured to generate a f
1. A system for reducing unintentional mixing of different liquid types in a storage tank, the system comprising: a first identification device coupled to a tanker truck, the tanker truck including a container having a liquid stored therein, the first identification device configured to generate a first signal;a relay device including a first wireless communication device and a reader device that operates to: receive identifying information via the reader device from a second signal originating from a second identification device associated with a storage tank; andtransmit the identifying information via the first wireless communication device;a control system including at least one processing device that operates to: receive the first signal from the first identification device;receive the identifying information from the second signal via a second wireless communication device; anddetermine whether a type of the liquid stored in the container is the same as a type of a liquid to be stored in the storage tank, prior to a transfer of the liquid from the container of the tanker truck into the storage tank. 2. The system of claim 1, further comprising a liquid flow control system operable to control the transfer of the liquid from the container into the storage tank, wherein the liquid flow control system inhibits the transfer of the liquid if the control system determines that the type of the liquid stored in the container is not the same as the type of the liquid to be stored in the storage tank. 3. The system of claim 2, wherein the liquid flow control system comprises: a pneumatic delivery line that selectively delivers compressed air from a pneumatic source to a liquid valve, the liquid valve at least partially controlling the transfer of the liquid from the container;an air toggle switch arranged along the delivery line to receive an input from an operator to initiate an unload;a pressure sensor arranged along the delivery line after the air toggle switch to detect a rise in pressure upon initiation of the unload; anda normally open shut-off valve arranged along the delivery line after the pressure sensor and electrically coupled to the control system to close the pneumatic delivery line upon determination by the control system that the type of the liquid stored in the container is not the same as the type of the liquid to be stored in the storage tank. 4. The system of claim 3, wherein the pressure sensor provides a signal to the control system when the rise in pressure is detected to trigger the control system to receive the first and second signals and to check whether a type of the liquid stored in the container is the same as a type of a liquid to be stored in the storage tank. 5. The system of claim 1, further comprising an alarm, wherein the alarm is activated if the control system determines that the type of the liquid stored in the container is not the same as the type of the liquid to be stored in the storage tank. 6. The system of claim 1, wherein the type of the liquid stored in the container and the type of the liquid to be stored in the storage tank are fuel types, and wherein the storage tank is an underground storage tank of a fueling station. 7. The system of claim 1, wherein the first identification device includes a fuel type selector, the fuel type selector configured to receive an input from an operator that indicates the type of the liquid stored in the container. 8. The system of claim 1, wherein the second identification device includes a resistor, the resistor having a resistance selected to be within a range of resistances to provide the identifying information indicating the type of liquid to be stored in the storage tank when a current is passed therethrough. 9. The system of claim 1, wherein the second identification device includes a radio frequency identification tag having a programmed fuel type identifier, the fuel type identifier being identifying information that indicates the type of liquid to be stored in the storage tank. 10. The system of claim 1, wherein the first identification device and the control system are portions of a single product marker connected to the tanker truck. 11. The system of claim 1, further comprising: a third identification device, the third identification device coupled to the tanker truck, the tanker truck including a second container having a second liquid stored therein, the third identification device configured to generate a third signal; anda second control system programmed to receive the third signal, to receive a fourth signal from a fourth identification device associated with a second storage tank, and to determine whether a type of the second liquid stored in the second container is the same as a type of the liquid to be stored in the second storage tank, prior to a transfer of the second liquid from the second container of the tanker truck into the second storage tank. 12. A method for reducing unintentional mixing of different liquid types in a storage tank, the method comprising: receiving a first signal from a first identification device coupled to a tanker truck, the signal being associated with a type of a liquid in a container of the tanker truck;receiving a second signal via a second wireless communication device from a relay device having a first wireless communication device, including information from a second identification device, the second signal being associated with a type of liquid to be stored in the storage tank, wherein the second signal is received by the relay device from the second identification device;determining, using a processing device, whether the type of the liquid stored in the container is the same as the type of liquid to be stored in the storage tank using the first signal and the second signal; anddispensing the liquid from the container of the tanker truck into the storage tank after determining that the type of the liquid stored in the container is the same as the type of liquid to be stored in the storage tank. 13. The method of claim 12, further comprising detecting an initiation of an unload operation prior to receiving the first and second signals. 14. The method of claim 12, further comprising inhibiting a transfer of the liquid from the tanker truck to the storage tank and generating an alarm if the type of the liquid stored in the container is not the same as the type of the liquid to be stored in the storage tank. 15. The method of claim 12, further comprising permitting a transfer of the liquid from the tanker truck to the storage tank if the type of the liquid stored in the container is the same as the type of the liquid to be stored in the storage tank. 16. The method of claim 15, further comprising: receiving a third signal from the first identification device after the transfer of the liquid; andgenerating an alarm if the third signal does not indicate that the container is empty. 17. The method of claim 12, further comprising: receiving a bypass input from an operator; andpermitting a transfer of the liquid from the tanker truck to the storage tank even if the type of the liquid stored in the container is not the same as the type of the liquid to be stored in the storage tank. 18. The method of claim 12, further comprising: storing data in memory to record dates and times of events including the result of the determination; andcommunicating at least some of the data to an onboard computing device.
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