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Adsorber aftertreatment system having dual soot filters

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/00
출원번호 US-0192969 (2002-07-11)
발명자 / 주소
  • Stroia, Bradlee J.
  • Yu, Robert C.
  • Mital, Rahul
  • Cunningham, Michael J.
출원인 / 주소
  • Fleetguard, Inc.
대리인 / 주소
    Woodard, Emhardt, Moriarty, McNett & Henry LLP
인용정보 피인용 횟수 : 36  인용 특허 : 27

초록

Exhaust flow from an internal combustion engine is divided in a predetermined ratio between two adsorber catalysts arranged in parallel during lean operation. A regeneration cycle time is predetermined and regeneration is accomplished by injecting hydrocarbons into a catalyst leg having a reduced ex

대표청구항

1. An internal combustion engine aftertreatment system for treating exhaust gases exiting an engine, the system comprising: a first catalytic soot filter having a first soot filter input operatively coupled to the engine exhaust and having a first soot filter output; a first adsorber having a f

이 특허에 인용된 특허 (27)

  1. Deeba Michel ; Hochmuth John K., Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof.
  2. Guile Donald L. (Horseheads NY) Ketcham Thomas D. (Big Flats NY), By-pass adsorber system.
  3. Usami Hiroyuki,JPX ; Tanaka Masakazu,JPX ; Mori Hiroshi,JPX ; Mabuchi Mamoru,JPX ; Hodaira Kinji,JPX ; Sakai Tatsuo,JPX, Change-over valve unit for switching exhaust gas passages and exhaust gas purifying system.
  4. Rim Julius J. (2743 Bloomfield Crossing Bloomfield Hills MI 48210) Rim Ho (601-4 Sinsa Dong ; Kangnam-Ku Seoul KRX), Diesel engine exhaust filtration system and method.
  5. Boegner Walter,DEX ; Haak Karl-Ernest,DEX ; Krutzsch Bernd,DEX ; Voigtlaender Dirk,DEX ; Wenninger Guenter,DEX ; Wirbeleit Friedrich,DEX, Emission control system for an internal-combustion engine.
  6. Ma Thomas Tsoi-Hei,GBX, Engine with cylinder deactivation.
  7. Kuwamoto Yoshinobu,JPX ; Fukuda Kensei,JPX ; Fujiwara Yasuhiro,JPX, Exhaust as purifying method, exhaust gas filter, and exhaust gas filter purifying apparatus using same.
  8. Hirota, Shinya; Toshioka, Shunsuke; Tanaka, Toshiaki, Exhaust emission control device of internal combustion engine.
  9. Kawajiri Shogo (Saitama JPX) Sugino Takuya (Saitama JPX) Naka Takahiro (Saitama JPX) Awasaka Moriyoshi (Saitama JPX) Fujiki Kenji (Saitama JPX), Exhaust emission control system in engine.
  10. Hirota Shinya,JPX ; Tanaka Toshiaki,JPX ; Ohashi Nobumoto,JPX ; Itoh Kazuhiro,JPX ; Iwasaki Eiji,JPX ; Yoshizaki Kouji,JPX, Exhaust gas purification device.
  11. Hirota Shinya,JPX ; Tanaka Toshiaki,JPX, Exhaust gas purification device for an internal combustion engine.
  12. Takeshima Shinichi (Susono JPX) Tanaka Toshiaki (Numazu JPX) Inoue Tokuta (Mishima JPX), Exhaust gas purification system for an internal combustion engine.
  13. Oono Hiroshi,JPX ; Sakanushi Masahiro,JPX ; Takaoka Nobuaki,JPX ; Takanohashi Toshikatsu,JPX, Exhaust gas purification system for internal combustion engine.
  14. Tanaka Hiroshi,JPX ; Itou Takaaki,JPX, Exhaust gas purifying method and apparatus for internal combustion engine.
  15. Takeshima Shinichi (Shizuoka JPX) Tanaka Toshiaki (Shizuoka JPX) Iguchi Satoshi (Shizuoka JPX) Araki Yasushi (Shizuoka JPX) Hirota Shinya (Shizuoka JPX) Oda Tomohiro (Aichi JPX) Murakami Fumitada (Sh, Exhaust purification device of internal combustion engine.
  16. Boegner Walter,DEX ; Haak Karl-Ernst,DEX ; Krutzsch Bernd,DEX ; Verrelst Wim,BEX ; Voigtlaender Dirk,DEX ; Wenninger Guenter,DEX ; Wirbeleit Friedrich,DEX, Internal combustion engine exhaust emission control system with adsorbers for nitrogen oxides.
  17. Rao V. Durga N. (Bloomfield Township ; Oakland County MI) Wade Wallace R. (Farmington Hills MI), Low energy regeneration system for particulate trap for an internal combustion engine.
  18. Matros Yurii Sh. ; Bunimovich Grigori A. ; Strots Vadim O., Method and apparatus for emission control.
  19. Baddour Raymond F. (Belmont MA), Method and apparatus for trapping and incinerating particulate matter found in diesel engine exhaust.
  20. Stobbe Per (Norgaardsvej 6B 2800 Lyngby DKX), Method of filtering particles from a flue gas, a flue gas filter means and a vehicle.
  21. Takeshima Shinichi (Susono JPX), NOx purification apparatus for an internal combustion engine.
  22. Bergmann Horst (Esslingen-Krummenacker DEX) Daudel Helmut (Schorndorf DEX), Soot-particle filter for after-treatment of the exhaust gases of diesel engines.
  23. Moser Franz (Steyr ATX), System for purifying the exhaust gases of diesel engines.
  24. Kumagai Shiro (Kyoto JPX), Temperature control apparatus for vehicular catalytic converters.
  25. Sun Jing ; Cook Jeffrey Arthur ; Kolmanovsky Ilya V., Torque control for direct injected engines using a supplemental torque apparatus.
  26. Mayer Thomas E,DEX ; Phlips Patrick,DEX ; Grieser Klemens,DEX ; Krzykowski Heinrich Z,DEX, Variable exhaust system for V-engines II.
  27. Hepburn Jeffrey Scott, .

이 특허를 인용한 특허 (36)

  1. Taylor, III, William; Crane, Jr., Samuel N.; Kong, Yougen, Apparatus and method for operating a fuel reformer to regenerate a DPNR device.
  2. Liu, Z. Gerald; Schmitz, Kelly R.; Schwandt, Brian W., Apparatus and method to control engine crankcase emissions.
  3. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment method.
  4. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  5. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  6. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  7. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  8. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  9. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  10. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  11. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  12. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Catalyzed SCR filter and emission treatment system.
  13. Taylor, III,William; Tumati,Prasad; Daniel,Michael J., Combination emission abatement assembly and method of operating the same.
  14. Duvinage, Frank; Keppeler, Berthold; Krutzsch, Bernd; Paule, Markus; Weibel, Michel, Device and method for exhaust gas aftertreatment.
  15. Funabashi,Hiroshi, Exhaust aftertreatment system.
  16. Yan,Jiyang, Integrated DPF-reformer.
  17. Liu, Ke; Buglass, John G., Internal combustion engine exhaust treatment having a single valve directing exhaust to dual NOx traps.
  18. Reuter,Johannes Walter; McCarthy, Jr.,James Edward, LNT desulfation strategy.
  19. McCarthy, Jr., James Edward; Reuter, Johannes Walter, LNT desulfation strategy with reformer temperature management.
  20. Reuter, Johannes Walter; McCarthy, Jr., James Edward, LNT desulfation strategy with reformer temperature management.
  21. Venghaus, Helmut; Watts, Lee; Mayr, Andreas; Telford, Clive D.; Ranalli, Marco; Kroner, Peter; Herranz, David; Speer, Gregg; Schmidt, Stefan; Walleck, A. Steven, Method and apparatus for determining local emissions loading of emissions trap.
  22. Wang, Yue Yun; Akinyemi, Wole C., Method and apparatus for soot filter catalyst temperature control with oxygen flow constraint.
  23. Ulrey, Joseph Norman; Cavataio, Giovanni; Uhrich, Michael James, Method and system for a HC trap.
  24. Goulette, David; Bonadies, Joseph V., Method and system for controlling catalyst temperature.
  25. van Nieuwstadt,Michiel; Cavataio,John; Brewbaker,Thomas A., Method and system for controlling simultaneous diesel particulate filter regeneration and lean NOx trap desulfation.
  26. Roozenboom, Stephan Donald, Method and system of directing exhaust gas.
  27. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Method for disposing SCR composition on a wall flow monolith.
  28. Patchett, Joseph A.; Dettling, Joseph C.; Przybylski, Elizabeth A., Method of forming a catalyzed selective catalytic reduction (SCR) filter.
  29. Patchett, Joseph Allan; Dettling, Joseph Charles; Przybylski, Elizabeth Alina, Method of forming a catalyzed selective catalytic reduction filter.
  30. Treiber, Peter, Process and apparatus for treating exhaust gas of an internal combustion engine and vehicle having the apparatus.
  31. Dingle, Philip J. G.; Hardy, Martin Paul; Zuelch, Roman Stefan, Reagent dosing system and method of dosing reagent.
  32. Dingle, Philip J. G.; Hardy, Martin Paul; Zuelch, Roman Stefan, Reagent dosing system and method of dosing reagent.
  33. Dingle, Philip J. G.; Hardy, Martin Paul; Zuelch, Stefan Roman, Reagent dosing system and method of dosing reagent.
  34. Weissman,Walter; El Malki,El Mekki, Sulfur oxide/nitrogen oxide trap system and method for the protection of nitrogen oxide storage reduction catalyst from sulfur poisoning.
  35. MacBain,John Alan; Bonadies,Joseph V., System for combustion of reformate in an engine exhaust stream.
  36. Dalla Betta, Ralph A., Systems and methods for reducing emissions of internal combustion engines using a fuel processor bypass.
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