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Exhaust gas purification apparatus for an internal combustion engine 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/20
출원번호 US-0094799 (1993-07-20)
우선권정보 JP-0198224 (1992-07-24); JP-0162778 (1993-06-30)
발명자 / 주소
  • Katoh Kenji (Shizuoka JPX) Takeshima Shinichi (Susono JPX) Tanaka Toshiaki (Numazu JPX) Iguchi Satoshi (Mishima JPX) Goto Masato (Susono JPX) Kihara Tetsuro (Susono JPX) Asanuma Takamitsu (Susono JPX
출원인 / 주소
  • Toyota Jidosha Kabushiki Kaisha (Toyota JPX 03)
인용정보 피인용 횟수 : 145  인용 특허 : 0

초록 ▼

An NOx absorbent is installed in an exhaust conduit of an internal combustion engine capable of fuel combustion at lean air-fuel ratios. An oxygen concentration is repeatedly or continuously decreased by, for example, switching the air-fuel from the lean air-fuel ratio to a stoichiometric or rich ai

대표청구항 ▼

An exhaust gas purification apparatus for an internal combustion engine comprising: an internal combustion engine capable of fuel combustion at lean air-fuel ratios and an exhaust conduit connected to the engine; an NOx absorbent installed in the exhaust conduit and including at least one element se

이 특허를 인용한 특허 (145)

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