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Selective catalytic reduction system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/00
출원번호 UP-0312346 (2005-12-21)
등록번호 US-7805929 (2010-10-26)
발명자 / 주소
  • Driscoll, James Joshua
출원인 / 주소
  • Caterpillar Inc
대리인 / 주소
    Finnegan, Henderson, Farabow, Garrett & Dunner LLC
인용정보 피인용 횟수 : 11  인용 특허 : 34

초록

A method of controlling ammonia and nitric oxides production for selective catalytic reduction systems is provided. The method may include producing an ammonia-containing gas stream having an ammonia concentration. The method may further include operating an engine to continuously produce a NOx-cont

대표청구항

What is claimed is: 1. A method of controlling ammonia and nitric oxides production for selective catalytic reduction systems, comprising: producing an ammonia-containing gas stream having an ammonia concentration; operating an engine to continuously produce a NOx-containing gas stream having a NOx

이 특허에 인용된 특허 (34)

  1. Polcer John (Brookside NJ), Catalytic denitrification control process and system for combustion flue gases.
  2. Spokoyny Felix E., Combined SCR/SNCR process.
  3. Wieland Mathes DE; Lothar Hofmann DE; Frank Witzel DE, Configuration for decomposing nitrogen oxides in a gas stream and method for using the configuration.
  4. Michiel Jacques van Nieuwstadt ; Ching-Hsong George Wu, Control of a NOX reductant delivery system.
  5. Joseph A. Patchett ; Rudolfus Petrus Verbeek NL; Karl Richard Grimston GB; Gary Wayne Rice ; John Lawrence Calabrese ; Mathijs Van Genderen NL, Control system for mobile NOx SCR applications.
  6. Kinugasa Yukio,JPX ; Itou Takaaki,JPX ; Hoshi Koichi,JPX ; Suzuki Naoto,JPX ; Takeuchi Koichi,JPX ; Yaegashi Takehisa,JPX ; Igarashi Kouhei,JPX, Device for purifying exhaust gas of engine.
  7. Kinugasa Yukio,JPX ; Igarashi Kouhei,JPX ; Itou Takaaki,JPX ; Suzuki Naoto,JPX ; Yaegashi Takehisa,JPX ; Tanaka Toshiaki,JPX ; Miyoshi Naoto,JPX, Device for purifying exhaust gas of internal combustion engine.
  8. van Nieuwstadt Michiel Jacques ; Syed Fazal Urrahman. ; Vanderslice John H. ; Hashemi Siamak, Emission control system.
  9. Saito Mika,JPX ; Abe Akira,JPX ; Yoshida Kiyohide,JPX ; Sumiya Satoshi,JPX ; Furuyama Masataka,JPX, Exhaust gas cleaner and method for cleaning exhaust gas.
  10. Kinugasa Yukio,JPX ; Igarashi Kouhei,JPX ; Itou Takaaki,JPX ; Yaegashi Takehisa,JPX ; Takaoka Toshifumi,JPX, Exhaust gas purification device for an engine.
  11. Katoh Kenji,JPX ; Itou Takaaki,JPX ; Tanahashi Toshio,JPX ; Tanaka Hiroshi,JPX ; Suzuki Naoto,JPX ; Kinugasa Yukio,JPX, Exhaust gas purification device for an internal combustion engine.
  12. Kinugasa Yukio,JPX ; Itou Takaaki,JPX ; Takeuchi Koichi,JPX, Exhaust gas purification device for an internal combustion engine.
  13. Josef Guenther DE; Brititte Konrad DE; Bernd Krutzsch DE; Arno Nolte DE; Dirk Voigtlaender DE; Michel Weibel DE; Marko Weirich DE; Guenter Wenninger DE, Exhaust gas purification process and apparatus with internal generation of ammonia for reducing nitrogen oxide.
  14. Hoshi Koichi,JPX ; Kinugasa Yukio,JPX ; Itou Takaaki,JPX, Exhaust gas purifying apparatus for an internal combustion engine.
  15. Sakurai Kazuhiro,JPX ; Itou Takaaki,JPX ; Kinugasa Yukio,JPX ; Hoshi Koichi,JPX ; Takeuti Koichi,JPX, Exhaust gas purifying apparatus for internal combustion engine.
  16. Wada,Katsuji; Ohno,Hiroshi; Suzuki,Norio; Morita,Tomoko, Exhaust gas purifying apparatus for internal combustion engine.
  17. Kinugasa Yukio,JPX ; Igarashi Kouhei,JPX ; Itou Takaaki,JPX ; Suzuki Naoto,JPX ; Yaegashi Takehisa,JPX ; Kanazawa Takaaki,JPX ; Hayashi Takahiro,JPX ; Yokota Koji,JPX ; Nagai Yasutaka,JPX, Exhaust gas purifying catalyst.
  18. Gunther, Josef; Krutzsch, Bernd; Schoen, Christof; Voigtlaender, Dirk; Weibel, Miechel; Weirich, Marko, Exhaust-gas cleaning system and method with internal ammonia generation, for the reduction of nitrogen oxides.
  19. Hu,Haoran; Stover,Thomas, Hybrid catalyst system for exhaust emissions reduction.
  20. Mulligan, D. Neal, Internal combustion engine with SCR and integrated ammonia production.
  21. Schmelz Helmut (Prien DEX), Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas.
  22. Binder, Klaus; Braun, Tillmann; Busch, Michael-Rainer; Knezevic, Aleksandar; Marquardt, Klaus-Jürgen; Moos, Ralf; Plog, Carsten, Method and apparatus for determining the storage state of an ammonia-storing SCR catalyst.
  23. Dolling Winfried,DEX, Method and apparatus for metering the introduction of a reducing agent into the exhaust-gas or exhaust-air stream of a combustion installation.
  24. Dolling Winfried,DEX, Method and device for converting a pollutant in an exhaust gas in a catalytic converter.
  25. Naohide Fuwa JP; Hiroshi Tanaka JP; Yukio Kinugasa JP; Takaaki Itou JP; Naoto Suzuki JP; Takehisa Yaegashi JP; Kouhei Igarashi JP; Kouichi Takeuchi JP, Method and device for purifying exhaust gas of an engine.
  26. Kinugasa Yukio,JPX ; Igarashi Kouhei,JPX ; Itou Takaaki,JPX ; Suzuki Naoto,JPX ; Yaegashi Takehisa,JPX ; Takeuchi Kouichi,JPX, Method and device for purifying exhaust gas of engine.
  27. Zauderer Bert, Method for reducing nitrogen oxides in combustion effluents.
  28. Gandhi,Haren S.; Cavataio,John Vito; Hammerle,Robert Henry; Cheng,Yisun, Method for the reduction of NOand NHemissions.
  29. Stanglmaier, Rudolf H.; Roecker, Ryan C.; Roberts, Jr., Charles E.; Stewart, Daniel W., NOx aftertreatment system and method for internal combustion engines.
  30. Felix E. Spokoyny, Pollution control systems using urea and ammonia for the control of emissions from the flue gas of fossil fuel burning facilities.
  31. Konrad Brigitte,DEX ; Krutzsch Bernd,DEX ; Voigtlaender Dirk,DEX, Process and apparatus for reducing nitrogen-oxide emissions in exhaust gas.
  32. Winfried Dolling DE; Reinhard Latsch DE; Wieland Mathes DE; Ronald Neufert DE; Rainer Tost DE; Dietmar Weisensel DE; Klaus Wenzlawski DE; Jurgen Zurbig DE, Process and apparatus for the catalytic elimination of a pollutant from the exhaust gas from a combustion installation.
  33. Jurgen Gieshoff DE; Hans Van Den Tillaart DE; Thomas Kreuzer DE; Egbert Lox DE; Jurgen Lang DE, Process for the selective catalytic reduction of the nitrogen oxides contained in a lean exhaust gas.
  34. Tarabulski Theodore J. ; Knapper Curtis J. ; Peter-Hoblyn Jeremy D.,GBX ; Valentine James M., Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction.

이 특허를 인용한 특허 (11)

  1. Henry, Cary A.; Ruth, Michael J., Aftertreatment system having two SCR catalysts.
  2. Henry, Cary; Ruth, Michael, Aftertreatment system having two SCR catalysts.
  3. Aoyama, Taro; Tanai, Yutaka, Exhaust purification device of internal combustion engine.
  4. Driscoll, James Joshua; Flinn, Michael A., System and method for treating exhaust gases.
  5. Ancimer, Richard; Geveci, Mert, System and method to manage SCR catalyst NO2/NOX ratio.
  6. Ancimer, Richard J.; Geveci, Mert; Haas, Michael; Joshi, Alok; Kamasamudram, Krishna, Systems and methods for NOx reduction and aftertreatment control using passive NOx adsorption.
  7. Henry, Cary; Kolhouse, Steven J., Systems and methods for control of engine NOx emissions using liquid and dry reductant sources.
  8. Henry, Cary; Kolhouse, Steven J., Systems and methods for control of engine NOx emissions using liquid and dry reductant sources.
  9. Gupta, Aniket; Cunningham, Michael J.; Ruth, Michael J.; Chilumukuru, Krishna P., Systems and methods to mitigate NOx and HC emissions.
  10. Gupta, Aniket; Cunningham, Michael J., Systems and methods to reduce reductant consumption in exhaust aftertreament systems.
  11. Gupta, Aniket; Cunningham, Michael J., Systems and methods to reduce reductant consumption in exhaust aftertreatment systems.
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