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Adaptive exhaust temperature estimation and control 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/20
출원번호 US-0768004 (1996-12-13)
발명자 / 주소
  • Cullen Michael John
  • Hieb Bradley John
  • Davey Christopher K.
출원인 / 주소
  • Ford Global Technologies, inc.
대리인 / 주소
    Lippa
인용정보 피인용 횟수 : 102  인용 특허 : 0

초록

A method and apparatus for inferring and controlling the temperature of a NO.sub.x trap located downstream from a three-way catalyst that employs a temperature sensor to correct a temperature estimation model under relatively steady-state conditions to provide a more accurate estimate of NO.sub.x tr

대표청구항

[ What is claimed is:] [1.] A method of estimating the temperature of a NO.sub.x trap located in an exhaust passage of an engine, said trap including a sensor for measuring the temperature of the trap, said method comprising a sequence of the steps of:estimating the instantaneous temperature of said

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