Apparatus with mixed fuel separator and method of separating a mixed fuel
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02B-025/00
F02B-013/00
출원번호
UP-0384142
(2006-03-17)
등록번호
US-7647899
(2010-02-22)
발명자
/ 주소
Dearth, Mark
Goralski, Jr., Christian T.
출원인 / 주소
Ford Global Technologies, LLC
대리인 / 주소
Lippa, Allan J.
인용정보
피인용 횟수 :
11인용 특허 :
84
초록▼
In an apparatus comprising a fuel tank, an internal combustion engine, and a separator positioned fluidically between the fuel tank and the internal combustion engine, a method of operating the apparatus is disclosed, wherein the method comprises inputting a mixed fuel containing a hydrocarbon compo
In an apparatus comprising a fuel tank, an internal combustion engine, and a separator positioned fluidically between the fuel tank and the internal combustion engine, a method of operating the apparatus is disclosed, wherein the method comprises inputting a mixed fuel containing a hydrocarbon component and an oxygenated component into the separator, separating the fuel in the separator into a hydrocarbon-enriched fuel fraction and an oxygenated fuel component-enriched fuel fraction, and controlling an amount of the hydrocarbon-enriched fuel fraction and an amount of the oxygenated fuel component-enriched fuel fraction provided to the engine based upon an engine operating condition.
대표청구항▼
What is claimed is: 1. In an apparatus comprising a fuel tank, an internal combustion engine, and a separator positioned fluidically between the fuel tank and the internal combustion engine, a method of operating the apparatus, comprising: receiving a mixed fuel containing a hydrocarbon component a
What is claimed is: 1. In an apparatus comprising a fuel tank, an internal combustion engine, and a separator positioned fluidically between the fuel tank and the internal combustion engine, a method of operating the apparatus, comprising: receiving a mixed fuel containing a hydrocarbon component and an oxygenated component into the separator; separating the mixed fuel in the separator into a first hydrocarbon-enriched fuel fraction and a second oxygenated fuel component-enriched fuel fraction; and controlling an amount of the first fuel fraction and an amount of the second fuel fraction provided to the engine based upon an engine operating condition. 2. The method of claim 1, wherein the oxygenated component comprises at least one of methanol, ethanol, and propanol, and wherein the hydrocarbon component comprises gasoline. 3. The method of claim 1, wherein the oxygenated component comprises at least one of dimethyl ether, an alcohol, and a methyl ester, and wherein the hydrocarbon component comprises diesel fuel. 4. The method of claim 1, wherein separating the mixed fuel comprises flowing the mixed fuel past a separator that comprises a material that selectively transports the oxygenated component at a higher rate than the hydrocarbon component. 5. The method of claim 4, wherein the separator comprises a membrane formed at least partially from at least one of a polysulfone, polyvinyl alcohol, poly ether ether ketone, polydimethyl siloxane, and cellulose triacetate. 6. The method of claim 1, wherein separating the mixed fuel comprises flowing the mixed fuel past a separator configured to selectively transport the oxygenated fuel component at a higher rate than the hydrocarbon component based upon a pore size of the separator. 7. The method of claim 1, wherein separating the mixed fuel comprises flowing the mixed fuel past a separator configured to electrochemically transport the oxygenated fuel component across a selective barrier in the separator. 8. The method of claim 1, further comprising storing the first fuel fraction and the second fuel fraction in separate storage tanks prior to providing the amount of the first fuel fraction and the amount of the second fuel fraction to the engine. 9. The method of claim 1, further comprising storing one of the first fuel fraction and the second fuel fraction in a storage tank after separation while supplying another of the first fuel fraction and the second fuel fraction to the engine without storage in a tank after separation. 10. The method of claim 1, wherein controlling an amount of the first fuel fraction and an amount of the second fuel fraction provided to the engine based upon an engine operating condition comprises providing a greater amount of the first fuel fraction to the engine relative to the second fuel fraction as an engine load increases. 11. The method of claim 1, wherein controlling an amount of the first fuel fraction and an amount of the second fuel fraction provided to the engine based upon an engine operating condition comprises providing a greater amount of the second fuel fraction to the engine relative to the first fuel fraction in response to engine knock. 12. The method of claim 1, further comprising heating the separator with recirculated exhaust gases. 13. The method of claim 1, wherein separating the mixed fuel includes adding a polar solvent to the mixed fuel and extracting at least a portion of the oxygenated fuel component with the polar solvent. 14. The method of claim 1, further comprising sensing a calorie content of at least one of the first fuel fraction and the second fuel fraction after separating the mixed fuel. 15. An apparatus, comprising: an internal combustion engine; a fuel tank in fluid communication with the internal combustion engine; an alcohol-selective fuel separator disposed between the fuel tank and the internal combustion engine, the alcohol-selective fuel separator comprising a mixed fuel inlet, a hydrocarbon-enriched fuel fraction outlet, an alcohol-enriched fuel fraction outlet, and a selective barrier separating the hydrocarbon-enriched fuel fraction outlet and the alcohol-enriched fuel fraction outlet, the selective barrier being configured to transport alcohols at a higher rate than hydrocarbons. 16. The apparatus of claim 15, wherein the selective barrier is at least partially formed from at least one of a polysulfone, polyvinyl alcohol, poly ether ether ketone, polydimethyl siloxane, and cellulose triacetate. 17. The apparatus of claim 15, wherein the selective barrier is at least partially formed from a material configured to selectively transport the alcohols at a higher rate than the hydrocarbons based upon a pore size of the material. 18. The apparatus of claim 15, wherein the selective barrier is formed from an ionically or electrically conductive material, and further comprising a pair of electrodes disposed adjacent to the selective barrier. 19. The apparatus of claim 15, wherein the separator comprises a divider between a first passageway and a second passageway, wherein the divider has at least one of a folded structure, flat structure, and curved structure. 20. The apparatus of claim 15, further comprising an alcohol fuel storage tank disposed fluidically between the alcohol-enriched fuel fraction outlet of the separator and the engine. 21. The apparatus of claim 15, further comprising a hydrocarbon fuel storage tank disposed fluidically between the hydrogen-enriched fuel fraction outlet of the separator and the engine. 22. An apparatus, comprising: an internal combustion engine; a fuel tank in fluid communication with the internal combustion engine; and an alcohol-selective fuel separator disposed between the fuel tank and the internal combustion engine, the alcohol-selective fuel separator comprising a mixed fuel inlet, a hydrocarbon-enriched fuel fraction outlet, an alcohol-enriched fuel fraction outlet, and selective barrier separating the hydrocarbon-enriched fuel fraction outlet and the alcohol-enriched fuel fraction outlet, the selective barrier comprising a membrane formed from at least one of a polysulfone, polyvinyl alcohol, poly ether ether ketone, polydimethyl siloxane, and cellulose triacetate. 23. The apparatus of claim 22, wherein the separator comprises a divider between a first passageway and a second passageway. 24. The apparatus of claim 23, wherein the divider has at least one of a generally flat configuration, a folded configuration, and a curved configuration. 25. The apparatus of claim 22, further comprising an alcohol fuel storage tank disposed fluidically between the alcohol-enriched fuel fraction outlet of the separator and the engine. 26. The apparatus of claim 22, further comprising a hydrocarbon fuel storage tank disposed fluidically between the hydrocarbon-enriched fuel fraction outlet of the separator and the engine.
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