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특허 상세정보

Internal combustion engine having lean NOx catalyst

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01N-003/00   
미국특허분류(USC) 60/286; 60/278; 60/280; 123/551
출원번호 US-0464740 (1999-12-16)
우선권정보 JP-0365765 (1998-12-22)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Kenyon & Kenyon
인용정보 피인용 횟수 : 11  인용 특허 : 18
초록

An internal combustion engine having a lean NOx catalyst is capable of relieving a load upon an engine fuel injection device by eliminating the use of sub-injection, and of well purifying an exhaust gas and recovering from S-poisoning even by eliminating the use of the sub-injection. The internal combustion engine has a combustion heater for allowing a flow of combustion gas through an engine intake passageway to raise temperatures of engine related elements, a lean NOx catalyst, provided in an engine exhaust passageway, for purifying an engine exhaust g...

대표
청구항

1. An internal combustion engine having a lean NOx catalyst, comprising:a combustion heater for raising temperatures of engine related elements; a lean NOx catalyst provided in an engine exhaust passageway for purifying an engine exhaust gas; and a combustion gas introducing passageway for introducing a combustion gas emitted by the combustion heater upstream of said engine and said lean NOx catalyst when making a request for a reproducing process of said lean NOx catalyst; wherein the time when making the request for the reproducing process of said lean...

이 특허에 인용된 특허 (18)

  1. Lee Anson ; Pyko Jan S. ; Poublon Mark J. ; Hartwick Larry R.. After-burner heated catalyst system and associated control circuit and method. USP1998095802844.
  2. Waschkuttis Gerhard (134 Marine Cir. Pembroke Park FL 33009). Catalytic converter with ignition burner. USP1995015379592.
  3. Kawamura Hideo (Samukawa JPX). Control system for quick heater. USP1989084858825.
  4. Hardy James A. (Playa Del Rey CA). Diesel engine particulate trap regeneration system. USP1987074677823.
  5. Loving Ronald E. (Simi Valley CA) James Gary D. (Acton CA). Engine exhaust reburner system and method. USP1995015381659.
  6. Suzuki Makoto,JPX ; Kobayashi Hideo,JPX ; Hayashi Kotaro,JPX. Exhaust emission control system of hybrid car. USP2001076266956.
  7. Hirota Shinya,JPX ; Tanaka Toshiaki,JPX. Exhaust gas purification device for an internal combustion engine. USP1999115974791.
  8. Okada Masaki (Yokohama JPX). Heater device for motor vehicle. USP1990054927077.
  9. 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. USP1999065910097.
  10. Suzuki Makoto,JPX. Internal combustion engine having combustion heater. USP2001046220522.
  11. Suzuki Makoto,JPX. Internal combustion engine having lean NOx catalyst. USP2001076253545.
  12. Sienicki Edward J.. Method and apparatus for reducing engine NOx emissions. USP1998105823170.
  13. Geiger Istvan,DEX. Method and arrangement for controlling exhaust emissions from an internal combustion engine. USP1999095950420.
  14. Kawaguchi Akio (Susono JPX). Method for regenerating a particulate collection filter and an exhaust emission control system with a particulate collec. USP1997125701735.
  15. Schmidt Reinhold (Sachsenstrasse 7 Erlangen DT). Method of and apparatus for improved methanol operation of combustion systems. USP1976103986350.
  16. Boegner Walter (Remseck DEX) Kraemer Michael (Notzingen DEX) Krutzsch Bernd (Denkendorf DEX) Wenninger Guenter (Stuttgart DEX) Wirbeleit Friedrich (Esslingen DEX) Weisweiler Werner (Remchingen DEX). Process and apparatus for selective catalyzed no-reduction in oxygen-containing exhaust gases. USP1996125586433.
  17. Clerc James C. (Columbus IN) Gladden John R. (Germantown Hills IL) Miller Paul R. (Columbus IN). Unitary hybrid exhaust system and method for reducing particulate emmissions from internal combustion engines. USP1991105052178.
  18. Okada Masaki (Kawasaki JPX). Vehicle heating system. USP1989064836445.