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NOx decreasing apparatus for an internal combustion engine 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/36
  • F01N-003/20
출원번호 US-0961230 (1992-10-15)
우선권정보 JP-0298252 (1991-10-16)
발명자 / 주소
  • Oshima Yujiro (Nagoya JPX) Muraki Hideaki (Nagoya JPX) Yokota Koji (Nagoya JPX) Nakanishi Kiyoshi (Susono JPX)
출원인 / 주소
  • Toyota Jidosha Kabushiki Kaisha (Toyota JPX 03) Kabushiki Kaisha Toyota Chuo Kenkyusho (Toyota JPX 03)
인용정보 피인용 횟수 : 150  인용 특허 : 0

초록

A lean NOx reduction catalyst capable of reducing NOx through reaction of H2 with NOx at low temperatures below 350°C. is installed in a downstream portion of an exhaust pipe of an internal combustion engine in or near a muffler. Such an NOx reduction catalyst comprises, for example, Pt/zeolite cata

대표청구항

An NOx decreasing apparatus for an internal combustion engine comprising: an internal combustion engine capable of fuel combustion at lean air-fuel ratios, the engine having an exhaust conduit, an upstream end of which is connected to the engine, and an exhaust muffler installed in the exhaust condu

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