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특허 상세정보

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Method for operating an internal combustion engine

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01N-003/00   
미국특허분류(USC) 060/295; 060/274; 060/276; 060/289; 060/285
출원번호 US-0647815 (2000-11-14)
우선권정보 DE-0016276 (1998-04-11)
국제출원번호 PCT/EP99/02362 (1999-04-08)
국제공개번호 WO99/53176 (1999-10-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Stevens, Davis, Miller & Mosher, LLP
인용정보 피인용 횟수 : 18  인용 특허 : 13
초록
▼

In a process for operation of an internal combustion engine having a NOx storage catalytic converter, after desulfuration is required the mode of operation of the internal combustion engine is changed to λ1<1 and secondary air is injected upstream from the NOx storage catalytic converter (4) during a first time interval T1. After secondary air injection is interrupted, the internal combustion engine is operated at λ2<1 during a second time interval T2. Normal operation of the internal combustion engine is subsequently resumed. This process makes simple d...

대표
청구항
▼

1. A method of operating an internal combustion engine having a NOx storage catalytic converter, including: a) setting the requirement of desulfurization of the NOx storage catalytic converter;b) operating the internal combustion engine at λ1c) operating the internal combustion engine at λ1d) resuming normal operation of the internal combustion engine.2. A method as specified in claim 1, including repeating steps (b) and (c) after completion of method step (c).3. A method as specified in claim 1, including operating the internal combustion engine during ...

이 특허에 인용된 특허 (13)

  1. Cullen Michael John ; Hieb Bradley John ; Davey Christopher K.. Adaptive exhaust temperature estimation and control. USP1998035722236.
  2. Deeba Michel ; Hochmuth John K.. Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof. USP2000086105365.
  3. Sultan Michel Farid. Catalytic converter monitor method and apparatus. USP1998015706652.
  4. Ishizuka Yasuji,JPX ; Nishizawa Kimiyoshi,JPX. Exhaust gas purifying system of internal combustion engine. USP2000086101809.
  5. Takeshima Shinichi (Susono JPX) Seto Satomi (Gotemba JPX) Tanaka Toshiaki (Numazu JPX) Iguchi Satoshi (Mishima JPX) Nakanishi Kiyoshi (Susono JPX) Katoh Kenji (Shizuoka JPX). Exhaust purification device of internal combustion engine. USP1995125473890.
  6. Boegner Walter,DEX ; Karl Guenter,DEX ; Krutzsch Bernd,DEX ; Schoen Christof,DEX ; Voigtlaender Dirk,DEX ; Wenninger Guenter,DEX. Internal-combustion engine system having a nitrogen oxide storage catalyst and an operating process therefor. USP2000126161377.
  7. Cullen Michael John ; Dinsdale Steven,GBX ; Davey Christopher K.. Method and apparatus for estimating and controlling no x trap temperature. USP1998055746049.
  8. Cullen Michael John ; Farmer David George ; Surnilla Gopichandra ; Cok Susan Nicole. Method and apparatus for improving engine fuel economy. USP1998075778666.
  9. Cullen Michael John ; Farmer David George ; Brandt Arnold William ; Hepburn Jeffrey Scott. Method and apparatus for maintaining catalyst efficiency of a NO.sub.x trap. USP1998115832722.
  10. Andersen, Paul Joseph; Ballinger, Todd Howard; Lafyatis, David Scott; Rajaram, Raj Rao; Walker, Andrew Peter. Method and system for maintaining efficiency of a three-way catalyst. USP2003106634169.
  11. Schmidt Jurgen,DEX ; Tiefenbacher Gerd,DEX ; Waltner Anton,DEX. Method for operating an internal combustion engine and system and with sulfur-rich exhaust gas purification component and an internal combustion engine system operable therewith. USP2001096293094.
  12. Nakase Takamichi (Gamagori JPX) Hattori Tadashi (Okazaki JPX) Naito Junichiro (Toyokawa JPX) Kondo Kenji (Hoi all of JPX). Method of operating a three-way catalyst for internal combustion engines. USP1980044199938.
  13. Boegner Walter,DEX ; Karl Guenter,DEX ; Krutzsch Bernd,DEX ; Schoen Christof,DEX ; Voigtlaender Dirk,DEX ; Wenninger Guenter,DEX. Process and system for purifying exhaust gases of an internal-combustion engine. USP2000096119450.

이 특허를 인용한 특허 피인용횟수: 18

  1. Devarakonda, Maruthi N.. Aftertreatment system for simultaneous emissions control in stationary rich burn engines. USP2015089114363.
  2. Goralski, Jr.,Christian Thomas; Surnilla,Gopichandra. Device and method for internal combustion engine control. USP2007107287371.
  3. Roy, Jean. Emissions control systems and methods for vehicles. USP2018069995195.
  4. Fujiwara, Takahiko; Nakagawa, Norihisa; Kimura, Kouichi; Okazaki, Shuntaro; Nagasaka, Keisuke; Kitamura, Ichiro; Kamitani, Satoshi; Morita, Koji. Exhaust gas control apparatus for internal combustion engine. USP2017069683470.
  5. Takagi, Nobuyuki; Miura, Masahide; Matsumoto, Shinichi; Tanabe, Toshitaka; Nagai, Yasutaka; Hatanaka, Miho; Dohmae, Kazuhiko; Yamamoto, Toshio; Ikeda, Yasuo. Exhaust gas purification system for internal combustion engine. USP2012078225601.
  6. Braun, Tillman; Scharr, Detlef. Exhaust gas system, especially for an internal combustion engine of a motor vehicle. USP2010057712307.
  7. Yoshida,Iwao. Exhaust purification apparatus and method for internal combustion engine. USP2006037013637.
  8. Driscoll,J. Joshua; Endicott,Dennis L.; Faulkner,Stephen A.; Verkiel,Maarten. Method and apparatus for regenerating NOx adsorbers. USP2006037018442.
  9. Yacoub, Yasser Mohamed sayed. Method for initiating and maintaining a substoichiometric operating mode of an internal combustion engine and internal combustion engine for carrying out a method of this kind. USP2016099452752.
  10. Yacoub, Yasser Mohamed sayed. Method for initiating and maintaining a substoichiometric operating mode of an internal combustion engine and internal combustion engine for carrying out a method of this kind. USP2015059021786.
  11. Corliss, II, Dorian Francis. Method for treating air contaminants in exhaust gas. USP2017129849422.
  12. Corliss, II, Dorian Francis. Method for treating an exhaust gas. USP2017119816417.
  13. Dou,Danan; Bailey,Owen H.. NOadsorber diagnostics and automotive exhaust control system utilizing the same. USP2006097111451.
  14. Hemsley, Geoffrey V.. Passive secondary air delivery system for two bed catalyst system. USP2014038661786.
  15. Zhang, Xiaogang; Yi, Jianwen James; Dai, Wen; Laing, Paul M.; Hedges, John; Buckland, Julia Helen; Sun, Harold Huimin. Secondary air introduction system and method for system operation. USP2015109151200.
  16. Faas,Julie M.; Driscoll,James Joshua; Silletti,Bryan Anthony; Verkiel,Maarten. System for monitoring exhaust gas concentrations. USP2008107434386.
  17. Reichelderfer, Kurt E.; Euler, David L.. Systems and methods for abating carbon monoxide in an exhaust stream. USP2014068752366.
  18. Pant, Atul; Ramanathan, Karthik. Systems and methods for reducing NOx breakthrough. USP2014108857159.

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