A method and system(s) are disclosed for integrating a new fuel into an operating transportation system in a continuous, seamless manner, such as diesel fuel being gradually replaced by compressed natural gas (“CNG”) in long haul trucks. Integration can be implemented using two enabling technologies
A method and system(s) are disclosed for integrating a new fuel into an operating transportation system in a continuous, seamless manner, such as diesel fuel being gradually replaced by compressed natural gas (“CNG”) in long haul trucks. Integration can be implemented using two enabling technologies. The first is an engine system capable of operating seamlessly on two or more fuels without regard to the ignition characteristics of the fuels. The second is a communications and computing system for implementing a fueling strategy that optimizes fuel consumption, guides the selection of fuel based upon location, cost and emissions and allows the transition from one fuel to another to appear substantially seamless to the truck driver.
대표청구항▼
1. A fuel dispensing facility, comprising: a first plurality of liquid fuel dispensing lanes, each lane comprising a liquid fuel dispensing assembly to pump liquid fuel into a liquid fuel receptacle in a vehicle;a second plurality of compressed gaseous fuel dispensing lanes, each lane comprising a g
1. A fuel dispensing facility, comprising: a first plurality of liquid fuel dispensing lanes, each lane comprising a liquid fuel dispensing assembly to pump liquid fuel into a liquid fuel receptacle in a vehicle;a second plurality of compressed gaseous fuel dispensing lanes, each lane comprising a gaseous fuel dispensing assembly to introduce gaseous fuel into a gaseous fuel receptacle in a vehicle, the plurality of gaseous fuel dispensing assemblies having a rapid-fill mode in which the gaseous fuel is expanded, over a rapid-fill period, from a higher pressure source to a maximum pressure of the vehicle's gaseous fuel receptacle; anda third plurality of compressed gaseous fuel dispensing assemblies each associated with a parking position in a parking area, each parking position comprising a gaseous fuel dispensing assembly to introduce gaseous fuel into a gaseous fuel receptacle in a vehicle, the plurality of gaseous fuel dispensing assemblies having a slow-fill mode in which the gaseous fuel is expanded, over a slow-fill period, from a higher pressure source to a maximum pressure of the vehicle's gaseous fuel receptacle. 2. The facility of claim 1, further comprising: at least one of a restaurant, a convenience store, and a parts store and wherein:the slow-fill period for a selected vehicle is longer than an average time to pump liquid fuel into the selected vehicle; andthe rapid-fill period for a selected vehicle is approximately the same as an average time to pump liquid fuel into the selected vehicle. 3. The facility of claim 1, wherein one of the following is true: (a) members of a first set of the plurality of gaseous fuel dispensing assemblies are capable of the slow-fill mode and members of a second set of the plurality of gaseous fuel dispensing assemblies are capable of the rapid-fill mode; and(b) at least some of the plurality of gaseous fuel dispensing assemblies are capable of operating in either the slow-fill or rapid-fill mode, at the election of a vehicle operator. 4. The facility of claim 1, wherein the first plurality of liquid fuel dispensing lanes and second plurality of gaseous fuel dispensing lanes are in different locations and further comprising: a vehicle electrification (“VSE”) parking area comprising one or more power pedestals to provide electrical energy to vehicles. 5. The facility of claim 1, wherein the plurality of liquid fuel dispensing lanes comprise secondary containment and diversionary structures to contain oil-contaminated drainage while the plurality of gaseous fuel dispensing lanes are free of secondary containment and diversionary structures. 6. The facility of claim 1, wherein the liquid fuel comprises one or more of diesel fuel, bio-diesel, methanol, butanol, ethanol and gasoline and further comprising: a plurality of liquid natural gas (“LNG”) dispensing lanes, each lane comprising an LNG dispensing assembly to pump LNG into an LNG receptacle in a vehicle. 7. The system of claim 1, wherein the fuel is one of natural gas, hydrogen, hydrogen enhanced compressed natural gas and propane. 8. A fuel dispensing facility comprising: a first plurality of liquid fuel dispensing lanes, each lane comprising a liquid fuel dispensing assembly to pump liquid fuel into a liquid fuel receptacle in a vehicle;a second plurality of compressed gaseous fuel dispensing lanes, each lane comprising a gaseous fuel dispensing assembly to introduce gaseous fuel into a gaseous fuel receptacle in a vehicle, the plurality of gaseous fuel dispensing assemblies having at least the following operating modes:a slow-fill mode in which the gaseous fuel is pressurized, over a slow-fill period, from a lower pressure to a maximum pressure of the vehicle's gaseous fuel receptacle; anda rapid-fill mode in which the gaseous fuel is expanded, over a rapid-fill period, from a higher pressure source to a maximum pressure of the vehicle's gaseous fuel receptacle; wherein the plurality of gaseous fuel dispensing assemblies comprise: a plurality of gaseous fuel storage tanks in a cascaded storage arrangement, each of the plurality of gaseous fuel storage tanks being maintained at differing pressures whereby initial filling is done at a lower pressure and final topping off is done at a higher pressure;plural sequencing valves in fluid communication with the plurality of gaseous fuel storage tanks;a compressor;a master valve, whereby the compressor can control a pressure inside each gaseous fuel storage tank when the master valve and respective sequencing valve are open;plural fill valves in fluid communication with the plurality of gaseous fuel storage tanks;a plurality of meter valves to control metered amounts of gaseous fuel to the plurality of gaseous fuel dispensing assemblies; anda flow meter in fluid communication with the fill and meter valves to dispense gaseous fuel from the gaseous fuel storage tanks at a selected rate. 9. In a fuel dispensing facility including a first plurality of liquid fuel dispensing lanes, each lane comprising a liquid fuel dispensing assembly to pump liquid fuel into a liquid fuel receptacle in a customer's vehicle, a second plurality of compressed gaseous fuel dispensing lanes, each lane comprising a compressed gaseous fuel dispensing assembly to introduce gaseous fuel into a gaseous fuel receptacle in a customer's vehicle, a third plurality of compressed gaseous fuel dispensing locations, each associated with a parking position in a parking area, each parking position comprising a compressed gaseous fuel dispensing assembly to introduce gaseous fuel into a gaseous fuel receptacle in a customer's vehicle, a method comprising: providing, by a liquid fuel dispensing assembly, liquid fuel to the liquid fuel receptacle of a vehicle and/or;providing, by a rapid-fill mode in which the gaseous fuel is expanded over a rapid-fill period, from a higher pressure source to a maximum pressure of a receiving gaseous fuel receptacle, gaseous fuel to a gaseous fuel receptacle of a vehicle; and/orproviding, by a slow-fill mode in which the gaseous fuel is expanded over a slow-fill period, from a higher pressure source to a maximum pressure of a receiving gaseous fuel receptacle, gaseous fuel to a gaseous fuel receptacle of a vehicle not provided a gaseous fuel in the compressed gaseous fuel dispensing lanes using the rapid-fill mode. 10. The method of claim 9, wherein the facility further comprises: at least one of a restaurant, a convenience store, and a parts store and wherein:the slow-fill period for a selected vehicle is longer than an average time to pump liquid fuel into the selected vehicle; andthe rapid-fill period for a selected vehicle is approximately the same as an average time to pump liquid fuel into the selected vehicle. 11. The method of claim 9, wherein one of the following is true: (a) members of a first set of the plurality of gaseous fuel dispensing assemblies are capable of the slow-fill mode and members of a second set of the plurality of gaseous fuel dispensing assemblies are capable of the rapid-fill mode; and(b) at least some of the plurality of gaseous fuel dispensing assemblies are capable of operating in either the slow-fill or rapid-fill mode, at the election of a vehicle operator. 12. The method of claim 9, wherein the first plurality of liquid fuel dispensing lanes and second plurality of gaseous fuel dispensing lanes are in different locations and further comprising: a vehicle electrification (“VSE”) parking area comprising one or more power pedestals to provide electrical energy to vehicles. 13. The method of claim 9, wherein the plurality of liquid fuel dispensing lanes comprise secondary containment and diversionary structures to contain oil-contaminated drainage while the plurality of gaseous fuel dispensing lanes are free of secondary containment and diversionary structures. 14. The method of claim 9, wherein the liquid fuel comprises one or more of diesel fuel, bio-diesel, methanol, butanol, ethanol and gasoline and further comprising: a plurality of liquid natural gas (“LNG”) dispensing lanes, each lane comprising an LNG dispensing assembly to pump LNG into an LNG receptacle in a vehicle. 15. The system of claim 9, wherein the fuel is one of natural gas, hydrogen, hydrogen enhanced natural gas and propane. 16. In a fuel dispensing facility including a first plurality of liquid fuel dispensing lanes, each lane comprising a liquid fuel dispensing assembly to pump liquid fuel into a liquid fuel receptacle in a customer's vehicle and a second plurality of compressed gaseous fuel dispensing lanes, each lane comprising a compressed gaseous fuel dispensing assembly to introduce gaseous fuel into a gaseous fuel receptacle in a customer's vehicle, a method comprising: providing, by a slow-fill mode in which the gaseous fuel is pressurized, over a slow-fill period, from a lower pressure to a maximum pressure of a receiving gaseous fuel receptacle, gaseous fuel to a gaseous fuel receptacle of a first vehicle;providing, by a rapid-fill mode in which the gaseous fuel is expanded, over a rapid-fill period, from a higher pressure source to a maximum pressure of a receiving gaseous fuel receptacle, gaseous fuel to a gaseous fuel receptacle of a second vehicle; andproviding by a liquid fuel dispensing assembly liquid fuel to the liquid fuel receptacle of at least one of the first and second vehicle and a third vehicle, wherein the plurality of gaseous fuel dispensing assemblies comprise: a plurality of gaseous fuel storage tanks in a cascaded storage arrangement, each of the plurality of gaseous fuel storage tanks being maintained at differing pressures whereby initial filling is done at a lower pressure and final topping off is done at a higher pressure;plural sequencing valves in fluid communication with the plurality of gaseous fuel storage tanks;a compressor;a master valve, whereby the compressor can control a pressure inside each gaseous fuel storage tank when the master valve and respective sequencing valve are open;plural fill valves in fluid communication with the plurality of gaseous fuel storage tanks;plural meter valves to control metered amounts of gaseous fuel to the plurality of gaseous fuel dispensing assemblies; anda flow meter in fluid communication with the fill and meter valves to dispense gaseous fuel from the gaseous fuel storage tanks at a selected rate.
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