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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Method and apparatus for purging SOX from a NOX trap

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01N-003/00   
미국특허분류(USC) 060/285; 060/274; 060/286; 060/295; 060/297; 422/177; 422/182; 422/186.11
출원번호 US-0245884 (2002-09-18)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Barnes & Thornburg LLP
인용정보 피인용 횟수 : 13  인용 특허 : 84
초록
▼

A method of operating a fuel reformer to regenerate a NO X trap includes operating the fuel reformer to produce a reformate gas comprising hydrogen and carbon monoxide and advancing reformate gas through the NO X trap so as to regenerate the NO X trap. The method further includes determining if a SO X regeneration of the NO X trap is to be performed and generating a SO X -regeneration control signal in response thereto. The temperature of the NO X trap is raised and reformate gas is advanced into the NO X trap in response to the SO X -regenerati...

대표
청구항
▼

1. A method of operating a fuel reformer to regenerate a NO X trap, the method comprising the steps of:(a) operating the fuel reformer so as to produce a reformate gas comprising hydrogen and carbon monoxide,(b) advancing the reformate gas through the NO X trap so as to regenerate the NO X trap,(c) determining if a SO X regeneration of the NO X trap is to be performed and generating a SO X -regeneration control signal in response thereto,(d) raising the temperature of the NO X trap in response to the SO X -regeneration control signal, and(e) oper...

이 특허에 인용된 특허 (84)

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  2. Singh, Jaswinder; Ginter, David; Willi, Martin L.; Hiltner, Joel D.. Feedback control of fuel reformer-engine system. USP20190410260460.
  3. Ge, Xinyu. Fuel reformer for De-NOx trap. USP2017019555372.
  4. Liu, Ke; Wnuck, Wayne G.; Leenhouts, Willem P.. Intermittent application of syngas to NOx trap and/or diesel engine. USP2005116964156.
  5. Driscoll, James Joshua; Bond, Michael Steven; Verkiel, Maarten; Haughney, Michael Anthony. Low temperature emission system having turbocharger bypass. USP2012098266897.
  6. Socha, Richard F.; Vartuli, James C.; El-Malki, El-Mekki; Kalyanaraman, Mohan; Park, Paul W.. Method and apparatus for combination catalyst for reduction of NOin combustion products. USP2010097803338.
  7. 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 loading of an emissions trap by use of transfer function analysis. USP2008057370472.
  8. Kupe, Joachim; Zizelman, James; Botti, Jean J.. Method and system for regenerating NOadsorbers and/or particulate filters. USP2009097584603.
  9. Hoard,John W.; Surnilla,Gopichandra. Method for operating a lean burn engine with an aftertreatment system including nonthermal plasma discharge device. USP2006107114324.
  10. Johannes, Erik Paul; Li, Xuantian; Sederquist, Richard Allan. Method of operating a syngas generator. USP2012028109078.
  11. Liu, Ke. Reducing oxides of nitrogen using reformate generated from engine fuel, water and/or air. USP2005126976354.
  12. Kalyanaraman, Mohan; Park, Paul W.; Ragle, Christie S.. Reformer assisted lean NOcatalyst aftertreatment system and method. USP2010067743602.
  13. Dalla Betta, Ralph A.. Systems and methods for reducing emissions of internal combustion engines using a fuel processor bypass. USP2011088006484.

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