A fuel supply system of the present invention is characterized by including: a fuel reformer (4) for producing a reformed gas-containing fuel by causing discharge in a raw liquid fuel; and a fuel supply device (8) for supplying the reformed gas-containing fuel or a mixture of the reformed gas-contai
A fuel supply system of the present invention is characterized by including: a fuel reformer (4) for producing a reformed gas-containing fuel by causing discharge in a raw liquid fuel; and a fuel supply device (8) for supplying the reformed gas-containing fuel or a mixture of the reformed gas-containing fuel and the raw fuel into a combustion chamber of an engine (5).
대표청구항▼
The invention claimed is: 1. A fuel supply system, comprising: a fuel reformer configured to produce a reformed gas-containing fuel by causing discharge in a liquid fuel; a fuel supply device configured to supply the reformed gas-containing fuel or a mixture of the reformed gas-containing fuel and
The invention claimed is: 1. A fuel supply system, comprising: a fuel reformer configured to produce a reformed gas-containing fuel by causing discharge in a liquid fuel; a fuel supply device configured to supply the reformed gas-containing fuel or a mixture of the reformed gas-containing fuel and the liquid fuel into a combustion chamber of an engine; and an electric discharge controller configured to control a discharge voltage of the fuel reformer in response to an output state of the engine, wherein the fuel reformer comprises: a reaction container filled with the liquid fuel; a first electrode which is electrically connected to the electric discharge controller, and is in the reaction container; a second electrode which is in the reaction container to be opposed to the first electrode, and is configured to generate plasma by an electric discharge with the first electrode in the liquid-fuel-filled reaction container; and an emission unit configured to emit reformed gas, wherein the reformed gas is produced by contact of the liquid fuel with the plasma, from the reaction container, wherein a surface of the first electrode, which is a surface located in an interior of the reaction container, includes a coated portion coated with an insulating material, and an exposed portion which is not coated with the insulating material. 2. The fuel supply system according to claim 1, further comprising: a fuel tank, wherein the fuel reformer is provided in the fuel tank. 3. The fuel supply system according to claim 1, further comprising: a fuel tank which stores the liquid fuel; a first fuel supply passage which is provided with the fuel reformer, wherein the first fuel supply passage is configured to supply the liquid fuel from the fuel tank to the fuel reformer, and to further supply the reformed gas-containing fuel from the fuel reformer to the fuel supply device, a second fuel supply passage configured to directly supply the liquid fuel from the fuel tank to the fuel supply device; and a supply controller configured to change a supply quantity of the reformed gas-containing fuel from the first fuel supply passage and a supply quantity of the liquid fuel from the second fuel supply passage in response to an output state of the engine. 4. The fuel supply system according to claim 1, further comprising: a fuel tank which stores the liquid fuel; a first fuel supply passage which is provided with the fuel reformer, wherein the first fuel supply passage is configured to supply the liquid fuel from the fuel tank to the fuel reformer, and further supply the reformed gas-containing fuel from the fuel reformer to the fuel supply device; a third fuel supply passage which is provided with a catalyst reactor for producing a reformed fuel by reforming the liquid fuel by using exhaust heat from the engine, wherein the third fuel supply passage is configured to supply the liquid fuel from the fuel tank to the catalyst reactor, and to further supply the reformed fuel from the catalyst reactor to the fuel supply device; and a selection controller configured to change a supply quantity of the reformed gas-containing fuel from the first fuel supply passage and a supply quantity of the reformed fuel from the third fuel supply passage in response to an output state of the engine. 5. The fuel supply system according to claim 4, wherein the selection controller is configured to change the supply quantity of the reformed gas-containing fuel and the supply quantity of the reformed fuel based on a temperature of exhaust gas from the engine. 6. The fuel supply system according to claim 1, further comprising: a reformed fuel storage unit which is provided between the fuel reformer and the fuel supply device, and is configured to store the reformed gas-containing fuel. 7. The fuel supply system according to claim 1, wherein a ratio of an area of the exposed portion with respect to a total area of the coated portion and the exposed portion is 1 to 20%. 8. The fuel supply system according to claim 1, wherein the exposed portion is present only on a surface of the first electrode, the surface being opposite to the second electrode. 9. The fuel supply system according to claim 7, wherein the area of the exposed portion is 0.5 to 10 mm2. 10. The fuel supply system according to claim 1, wherein the electric discharge is a pulse discharge with the number of pulses of 5 to 500 times/sec. 11. The fuel supply system according to claim 4, wherein the catalyst reactor includes a reforming catalyst, and the reforming catalyst is formed by immobilizing noble metal or transition metal on a porous material. 12. The fuel supply system according to claim 11, wherein the catalyst reactor is composed of a high-temperature portion through which exhaust gas passes, and of a low-temperature portion in which the reforming catalyst is provided. 13. The fuel supply system according to claim 12, wherein the catalyst reactor includes a heating unit. 14. The fuel supply system according to claim 13, wherein the heating unit includes a plate fin-type heat exchanger. 15. The fuel supply system according to claim 1, wherein the liquid fuel is hydrocarbon, and the reformed gas-containing fuel is hydrogen-containing gas. 16. The fuel supply system according to claim 1, wherein the liquid fuel is a mixture of alcohol and water, and the reformed gas-containing fuel is hydrogen-containing gas. 17. The fuel supply system according to claim 1, wherein the reaction container filled with the liquid fuel contains only the liquid fuel. 18. The fuel supply system according to claim 1, wherein the liquid fuel consists of one or more hydrocarbons or mixtures thereof with water. 19. The fuel supply system according to claim 1, wherein the first and second electrodes are immersed in the liquid fuel. 20. The fuel supply system according to claim 19, wherein the liquid fuel consists of one or more hydrocarbons or mixtures thereof with water.
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이 특허에 인용된 특허 (9)
Clyde Robert A. (P.O. Box 983 Asheville NC 28802), Catalytic heat exchanger.
Heywood,John; Bromberg,Leslie; Cohn,Daniel, High compression ratio, high power density homogeneous charge compression ignition engines using hydrogen and carbon monoxide to enhance auto-ignition resistance.
Carter, Nicholas; Hurley, Richard W.; Archer, Mark D.; Woolley, Alec G.; Edsell, Jon D., Fuel tank temperature and pressure management via selective extraction of liquid fuel and fuel vapor.
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