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Reduction of nitrogen oxides emissions from diesel engines 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02B-047/00
출원번호 US-0114206 (1993-08-30)
발명자 / 주소
  • Valentine James M. (480 Hemlock Rd. Fairfield CT 06430)
인용정보 피인용 횟수 : 36  인용 특허 : 0

초록

The present invention relates to a process for reducing nitrogen oxides emissions from a diesel engine, which comprises preparing an emulsion of an aqueous urea solution in diesel fuel, and supplying said emulsion to a diesel engine for combusting therein, whereby combustion of the emulsion leads to

대표청구항

A process for reducing nitrogen oxides emissions from a diesel engine comprising forming an emulsion of an aqueous urea solution in diesel fuel which comprises about 15% to about 45% urea solution by weight, wherein said emulsion further comprises a catalyst which comprises a composition or complex

이 특허를 인용한 특허 (36)

  1. Filippini, Brian B.; Forsberg, John W.; Steckel, Thomas F.; Moreton, David J.; McAtee, Rodney J., Amino alkylphenol emulsifiers for an aqueous hydrocarbon fuel.
  2. Hatfield, Randal L.; Golden, Stephen J.; Ngo, Johnny T., Base metal activated rhodium coatings for catalysts in three-way catalyst (TWC) applications.
  3. Launois, Maxime; Nazarpoor, Zahra; Golden, Stephen J., Calibration strategies to improve spinel mixed metal oxides catalytic converters.
  4. Langer, Deborah A.; Mullay, John J.; Fakult, Jennifer N.; Daves, Harshida C.; Skoch, William E.; Westfall, David L., Concentrated emulsion for making an aqueous hydrocarbon fuel.
  5. Langer, Deborah A.; Westfall, David L.; Skoch, William E.; Mullay, John J., Continuous process for making an aqueous hydrocarbon fuel.
  6. Westfall, David L.; Mullay, John J.; Rowan, Stephen P., Continuous process for making an aqueous hydrocarbon fuel emulsions.
  7. Liang Cho Y. ; McCoy Steven R., Diagnostic system for an emissions control on an engine.
  8. Sprague, Barry; Beal, Steve, Diesel exhaust treatment systems and methods.
  9. Dingle, Philip J. G., Direct in-cylinder reductant injection system and a method of implementing same.
  10. Langer,Deborah A.; Bardasz,Ewa A.; Abraham,William D., Emulsified fuels and engine oil synergy.
  11. Claire L. Thompson GB; Douglas M. Barr GB, Emulsifier for an acqueous hydrocarbon fuel.
  12. Nazarpoor, Zahra; Golden, Stephen J., Enhanced catalytic activity at the stoichiometric condition of zero-PGM catalysts for TWC applications.
  13. Nazarpoor, Zahra, Firing (calcination) process and method related to metallic substrates coated with ZPGM catalyst.
  14. Krogh, James A.; Swenson, Robert A.; Hazel, Clifford J.; Williamson, Ian V., Fuel additive, additive-containing fuel compositions and method of manufacture.
  15. Gray, Jr., Charles L.; Haugen, David James, Low emission diesel combustion system with low charge-air oxygen concentration levels and high fuel injection pressures.
  16. Gray, Jr.,Charles L., Low emission fuel for use with controlled temperature combustion, direct injection, compression ignition engines.
  17. Peter-Hoblyn Jeremy D.,GBX, Method for reducing emissions of NO.sub.x and particulates from a diesel engine.
  18. Schwab,Scott D.; Cunningham,Lawrence Joseph; Morris,John D.; Evans,Joel A., Method of improving the operation of combustion particulate filters.
  19. Steinmann Henry W, Microemulsion fuel compositions for the internal combustion engine and for oil furnaces.
  20. Lay,Mark K.; Schembri,Chris; Baxter, Jr.,C. Edward, On-board fuel additive injection systems.
  21. Nazarpoor, Zahra; Kitazumi, Sen; Ngo, Johnny T., Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate.
  22. 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.
  23. Deborah A. Langer ; David L. Westfall ; Morris E. Smith ; Robert T. Graf ; Harshida Dave ; John J. Mullay ; Daniel T. Daly ; Elizabeth A. Schiferl ; Brian B. Filippini ; William D. Abraham, Process and apparatus for making aqueous hydrocarbon fuel compositions, and aqueous hydrocarbon fuel composition.
  24. Deborah A. Langer ; David L. Westfall ; Morris E. Smith ; Robert T. Graf ; Harshida Dave ; John J. Mullay ; Daniel T. Daly ; Elizabeth A. Schiferl ; Brian B. Filippini ; William D. Abraham , Process and apparatus for making aqueous hydrocarbon fuel compositions, and aqueous hydrocarbon fuel compositions.
  25. Brown, Kevin F.; Langer, Deborah A.; Duncan, David A., Process for reducing pollutants from the exhaust of a diesel engine.
  26. Brown, Kevin Francis; Langer, Deborah Ann; Duncan, David, Process for reducing pollutants from the exhaust of a diesel engine.
  27. Brown,Kevin Francis; Langer,Deborah Ann; Duncan,David, Process for reducing pollutants from the exhaust of a diesel engine.
  28. Brown, Kevin F.; Tadrous, Ted N.; Langer, Deborah A.; Duncan, David A., Process for reducing pollutants from the exhaust of a diesel engine using a water diesel fuel in combination with exhaust after-treatments.
  29. Hatfield, Randal L.; Golden, Stephen J.; Ngo, Johnny T., Rhodium-iron catalysts.
  30. Nazarpoor, Zahra; Golden, Stephen J., Spinel compositions and applications thereof.
  31. Nazarpoor, Zahra; Golden, Stephen J., Synergized PGM catalyst systems including platinum for TWC application.
  32. Golden, Stephen J., Synergized PGM close-coupled catalysts for TWC applications.
  33. Peter-Hoblyn Jeremy D.,GB3 ; Valentine James M. ; Tarabulski Theodore J., System for fueling and feeding chemicals to internal combustion engines for NO.sub.x reduction.
  34. Nazarpoor, Zahra; Abken, Anke Elizabeth; Golden, Stephen J., Thermal stability of copper-manganese spinel as Zero PGM catalyst for TWC application.
  35. Hatfield, Randal L.; Lee, Edward J.; Ngo, Johnny T.; Golden, Stephen J., Three-way catalyst systems including Fe-activated Rh and Ba-Pd material compositions.
  36. Nazarpoor, Zahra; Golden, Stephen J., ZPGM Diesel Oxidation Catalysts and methods of making and using same.
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