A system includes an emulsification device, a processed fuel tank, an emulsification recirculation line, and a control module. The emulsification device is configured to selectively receive a liquid mixture of water and hydrocarbon fuel and produce batches of emulsified fuel. The processed fuel tank
A system includes an emulsification device, a processed fuel tank, an emulsification recirculation line, and a control module. The emulsification device is configured to selectively receive a liquid mixture of water and hydrocarbon fuel and produce batches of emulsified fuel. The processed fuel tank is configured to selectively receive and store the emulsified fuel. The control module is configured to monitor one or more operating parameters and execute one or more operating modes. The operating modes include a bypass mode configured to provide the engine with the hydrocarbon fuel, an emulsification recirculation mode configured to continually recirculate emulsified fuel through the emulsification device and the processed fuel tank via the emulsification recirculation line, a run mode configured to operate the engine with emulsified fuel, and a suck back mode configured to return semi-stable emulsified fuel back to the processed fuel tank.
대표청구항▼
1. A fuel emulsion system comprising: an emulsification device configured to selectively receive a liquid mixture of water and hydrocarbon fuel and produce batches of emulsified fuel including water-micro droplets emulsified in the hydrocarbon fuel;a processed fuel tank in fluid communication with t
1. A fuel emulsion system comprising: an emulsification device configured to selectively receive a liquid mixture of water and hydrocarbon fuel and produce batches of emulsified fuel including water-micro droplets emulsified in the hydrocarbon fuel;a processed fuel tank in fluid communication with the emulsification device and an engine, the processed fuel tank configured to selectively receive and store the emulsified fuel produced by the emulsification device;a tank input line configured to provide downstream fluid communication from the emulsification device to the processed fuel tank;an emulsification recirculation line configured to selectively provide fluid communication between the emulsification device and the processed fuel tank; anda control module configured to: monitor one or more operating parameters;execute one or more operating modes of the fuel emulsion system based on the monitored operating parameters, the operating modes comprising: a bypass mode configured to provide the engine with the hydrocarbon fuel while restricting the emulsification device and the processed fuel tank from receiving the hydrocarbon fuel;an emulsification production mode configured to provide the emulsification device with the hydrocarbon fuel and the water to produce the emulsified fuel and provide the emulsified fuel produced by the emulsification device to the processed fuel tank via the tank input line without passing through the engine, the processed fuel tank configured to store the emulsified fuel;an emulsification recirculation mode configured to continually recirculate emulsified fuel through the emulsification device and the processed fuel tank via the emulsification recirculation line and the tank input line, the continually recirculated emulsified fuel bypassing the engine;an emulsified fuel run mode configured to operate the engine with emulsified fuel produced by the emulsification device and stored within the processed fuel tank; anda suck back mode configured to return semi-stable emulsified fuel within at least one of a fuel supply line or a fuel suck back line back to the processed fuel tank. 2. The system of claim 1, wherein the control module executes the bypass mode during at least one of engine start-ups or engine shut-downs. 3. The system of claim 1, wherein the control module executes the bypass mode and the emulsification production mode simultaneously. 4. The system of claim 1, wherein the emulsification production mode is configured to provide a portion of the hydrocarbon fuel to the processed fuel tank before providing the emulsification device with the hydrocarbon fuel and the water to produce the emulsified fuel. 5. The system of claim 4, wherein the emulsification production mode is further configured to provide the emulsification device with one or more additives from one or more additive tanks. 6. The system of claim 1, further comprising: a fuel level sensor in communication with the control module and configured to measure an amount of emulsified fuel within the processed fuel tank; andwherein the control module executes the emulsification production mode in response to the fuel level sensor indicating that the measured amount of emulsified fuel within the processed fuel tank is below a predetermined fuel level. 7. The system of claim 6, wherein the control module executes the emulsification production mode and the emulsification run mode simultaneously. 8. The system of claim 1, further comprising: a water-in-fuel sensor at the processed fuel tank in communication with the control module and configured to measure a water-in-fuel separation ratio of the emulsified fuel settling while stored within the processed fuel tank; andwherein the control module executes the emulsification recirculation mode in response to the water-in-fuel sensor indicating that the measured water-in-fuel separation ratio reaches a predetermined separation level. 9. The system of claim 1, wherein the control module executes the emulsification recirculation mode when the emulsified fuel stored within the processed fuel tank has settled for a predetermined elapsed period of time. 10. The system of claim 1, wherein the control module executes the emulsified fuel run mode when at least one of an engine load or engine speed is within a predetermined range suitable for fueling the engine with the emulsified fuel. 11. The system of claim 1, wherein the control module executes the suck back mode during periodic intervals. 12. The system of claim 1, further comprising a plurality of flow control devices in communication with the control module and operative between open and closed positions to control fluid flow based upon the one or more operating modes currently executing. 13. The system of claim 1, further comprising a radiator/fan module in fluid communication with the processed fuel tank and configured to cool the emulsified fuel stored within the processed fuel tank by circulating the emulsified fuel therethrough. 14. The system of claim 1, further comprising an operator interface device in communication with the control module, the operator interface device executing a graphical user interface configured to display graphics indicating current operating conditions of the fuel emulsion system. 15. A fuel emulsion system for fueling an engine of a vehicle, the system comprising: an emulsification device configured to selectively receive a liquid mixture of water and hydrocarbon fuel and produce batches of emulsified fuel including water-micro droplets emulsified in the hydrocarbon fuel;a processed fuel tank in fluid communication with the emulsification device and the engine, the processed fuel tank configured to selectively receive and store the emulsified fuel produced by the emulsification device;a tank input line configured to provide downstream fluid communication from the emulsification device to the processed fuel tank;an operator interface device executing a graphical user interface configured to display graphics indicating current operating conditions of the fuel emulsion system; anda control module in communication with the operator interface device and configured to: monitor one or more operating parameters;execute one or more operating modes of the fuel emulsion system based on the monitored operating parameters, the operating modes comprising: a bypass mode configured provide the engine with the hydrocarbon fuel while restricting the emulsification device and the processed fuel tank from receiving the hydrocarbon fuel;an emulsification production mode configured to provide the emulsification device with the hydrocarbon fuel and the water to produce the emulsified fuel and provide the emulsified fuel produced by the emulsification device to the processed fuel tank via the tank input line without passing through the engine, the processed fuel tank configured to store the emulsified fuel;an emulsified fuel run mode configured to operate the engine with emulsified fuel produced by the emulsification device and stored within the processed fuel tank, the processed fuel tank providing the emulsified fuel to the engine via a fuel input line without passing the emulsified fuel back through the emulsification device; anda shut-down mode configured to at least one of burn off or reclaim semi-stable emulsified fuel within the fuel emulsion system. 16. The system of claim 15, wherein: the control module prompts the operator interface device to display an inquiry graphic upon the graphical user interface in response to a speed of the vehicle decreasing below a predetermined vehicle speed, the inquiry graphic requesting an input from the operator that indicates whether the operator intends to shut-down the vehicle or whether the operator intends to drive the vehicle in a city; andthe control module executes the shut-down mode when the input from the operator indicates that the operator intends to shut-down the vehicle, or executes the bypass mode when the input from the operator indicates that the operator intends to drive the vehicle in the city. 17. The system of claim 15, further comprising an additive input line configured to selectively provide at least one of additives, lubricants, or emulsifier agents to the emulsification device to produce the emulsified fuel. 18. The system of claim 15, wherein the emulsification device comprises a static mixer, a reactor, and a pump. 19. The system of claim 15, further comprising: a tank input line configured to provide downstream fluid communication from the emulsification device to the processed fuel tank;an emulsification recirculation line configured to selectively provide fluid communication between the emulsification device and the processed fuel tank; andwherein the control module executes an emulsification recirculation mode configured to continually recirculate emulsified fuel through the emulsification device and the processed fuel tank via the emulsification recirculation line and the tank input line, the continually recirculated emulsified fuel bypassing the engine. 20. The system of claim 15, further comprising: a radiator/fan module;a cooling circuit providing fluid communication between the processed fuel tank and the radiator/fan module; anda pump configured to circulate emulsified fuel stored within the processed fuel tank through the cooling circuit and the radiator/fan module to cool the emulsified fuel.
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이 특허에 인용된 특허 (9)
Apfel Richard (New York NY), Diesel engine incorporating emulsified fuel supply system.
Ulrich Armando (Auw CHX) Kessler Alfred (Aarau CHX), Method and apparatus for producing a water-in-fuel-emulsion and emulsifier-free water-in-fuel-emulsion.
Deborah A. Langer ; David L. Westfall ; Morris E. Smith ; Robert T. Graf ; Harshida Dave ; John J. Mullay ; Daniel T. Daly ; Elizabeth A. Schiferl, Process and apparatus for making aqueous hydrocarbon fuel compositions, and aqueous hydrocarbon fuel composition.
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