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Emission control system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/00
출원번호 UP-0365964 (2006-02-28)
등록번호 US-7644579 (2010-02-22)
발명자 / 주소
  • Roberts, Phillip
  • Funk, Werner
출원인 / 주소
  • Extengine Transport Systems, Inc.
대리인 / 주소
    Sheppard Mullin Richter & Hampton
인용정보 피인용 횟수 : 7  인용 특허 : 30

초록

A method and apparatus to reduce the emissions of an exhaust stream is provided. One feature of the present invention includes a control unit for metering a reagent into the exhaust stream. The control unit adjusts a quantity of the reagent to be metered into the exhaust stream. One embodiment of th

대표청구항

What is claimed is: 1. An emission control apparatus for an engine including a catalytic converter, comprising: an ammonia injector for injecting a continuous and variable amount of ammonia into an exhaust stream of the engine to reduce NOx emissions; a controller structured to control the ammonia

이 특허에 인용된 특허 (30)

  1. Szymkowicz, Patrick G., After-treatment system and method for reducing emissions in diesel engine exhaust.
  2. Berriman Lester P. ; Zabsky John M. ; Ward William H., Ammonia injection in NOx control.
  3. Gladden John R. (Metamora IL), Ammonia/fuel ratio control system for reducing nitrogen oxide emissions.
  4. Mark Borland, Control system for lean air-fuel ratio NOx catalyst 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. Tost, Rainer, Device and method for denoxing exhaust gas from an internal combustion engine.
  7. Klaus Rusch DE, Device for catalytic exhaust gas purification.
  8. Zurbig Jurgen,DEX ; Latsch Reinhard,DEX ; Dolling Winfried,DEX ; Tost Rainer,DEX, Device for reducing the NOx content in the exhaust gas of an internal combustion engine.
  9. Gladden John R. (Metamora IL), Dual catalyst nitric oxide reduction.
  10. Funk,Werner; Roberts,Philip, Emission control system.
  11. Berriman Lester P. (Irvine CA) Zabsky John M. (Santa Ana CA) Davis James W. (Rancho Mirage CA) Hylton William M. (Sacramento CA), Engine NOx reduction.
  12. Berriman Lester P. (277 Kavenish Dr. West Irvine CA) Zabsky John M. (277 Kavenish Dr. West Santa Ana CA) Davis James W. (277 Kavenish Dr. West Rancho Mirage CA 92270) Hylton William M. (Sacramento CA, Engine NOx reduction system.
  13. Wieland Mathes DE; Frank Witzel ; Steffen Schnapp DE, Exhaust emission control system for the exhaust gas of a diesel engine.
  14. Czarnik Richard J. ; DiCarlo Jeffrey P. ; Knapper Curtis J. ; Simard Thomas C. ; Tarabulski Theodore J., Fluid-cooled injector.
  15. Verdegan, Barry M.; Liu, Z. Gerald, Impactor for selective catalytic reduction system.
  16. Schmelz Helmut (Prien DEX), Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas.
  17. Schmelz Helmut (Prien DEX), Method and apparatus for metering a reagent into a flowing medium.
  18. Fraenkle Gerhard,DEX ; Marquartdt Klaus-Juergen,DEX, Method and device for operating an internal combustion engine with low nitrogen oxide emissions.
  19. Lifeng Xu ; Ching-Hsong George Wu ; Robert Henry Hammerle, Method and system for NOx reduction.
  20. Goerigk, Christian; Illek, Michael; Wessels, Stefan, Method and system for feeding a reducing agent into a catalyst device.
  21. Emmerling Gerhard,DEX ; Zuther Frank,DEX ; Doring Andreas,DEX, Method for metering a reducing agent into NO.sub.x -containing exhaust gas of an internal combustion engine.
  22. Dahlheim Christian (Berlin DEX) Fleischer Maximilian (Hoehenkirchen DEX) Meixner Hans (Haar DEX), Method for reducing the nitrogen oxide concentration in the exhaust of an internal combustion engine or of a firing syst.
  23. Wissler Gerhard,DEX ; Pajonk Gunther,DEX ; Hofmann Lothar,DEX ; Weigl Manfred,DEX ; Mathes Wieland,DEX ; Neufert Ronald,DEX ; Wenzlawski Klaus,DEX ; Weisensel Dietmar,DEX, NO.sub.x reduction system with a device for metering reducing agents.
  24. Wu Ching-Hsong ; Hammerle Robert Henry, On-board reductant delivery system.
  25. Paul Kueper DE; Stefan Dietrich Peter DE; Michael Illek DE; Jens Mueller DE; Christian Goerigk DE; Stefan Wessels DE, Process for monitoring operation of an exhaust gas treatment system.
  26. Tarabulski Theodore J. ; Peter-Hoblyn Jeremy D.,GBX ; Valentine James M., Reducing NO.sub.x emissions from an engine by selective catalytic reduction utilizing solid reagents.
  27. Itoh, Kazuhiro; Tanaka, Toshiaki; Hirota, Shinya; Nakatani, Koichiro; Daido, Shigeki; Oyama, Naohisa, Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent.
  28. Kobayashi Motonobu (Hyogo JPX) Kinoshita Futoru (Hyogo JPX) Hagi Mitsuharu (Hyogo JPX) Inoue Akira (Osaka JPX) Uno Terushige (Osaka JPX), Removing nitrogen oxides in exhaust gases from a diesel engine.
  29. 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.
  30. Gladden John R. (Metamora IL), Two-stage catalysis of engine exhaust.

이 특허를 인용한 특허 (7)

  1. Brueck, Rolf; Hodgson, Jan; Schepers, Sven, Device for conveying liquid reducing agent and motor vehicle having the device.
  2. Arntson, Brian A.; Theis, Eugene R., Diesel aftertreatment regeneration system and method.
  3. Basista, Jeffrey S.; Yaccarino, Philip A., Emission control system for a vehicle.
  4. Ruth, Michael J.; Henry, Cary, Leak detection and mitigation in reductant delivery systems.
  5. Matelich, Michael, NOx Removal system for biogas engines at anaerobic digestion facilities.
  6. Matelich, Michael, NOx removal system for biogas engines at anaerobic digestion facilities.
  7. Chiba, Kunihiro; Kikuchi, Atsushi; Miyamoto, Takeshi; Sawaki, Toshiki; Watanabe, Masanori; Watanabe, Hiroyuki, Reducing agent supply apparatus, method for controlling the same, and exhaust gas purification apparatus.
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