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Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02M-003/00
출원번호 US-0064009 (2002-06-04)
발명자 / 주소
  • Surnilla, Gopichandra
출원인 / 주소
  • Ford Global Technologies, LLC
인용정보 피인용 횟수 : 20  인용 특허 : 141

초록

A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders combusting a lean air/fuel mixture and a second group of cylinders pumping air only (i.e., without fuel

대표청구항

1. A method for controlling an engine having at least first and second groups of cylinders, the engine coupled to an emission control device, comprising:operating the engine in a first mode with the first group of cylinders at a first ignition timing and the second group of cylinders at a second ign

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