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Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-008/00
출원번호 US-0170476 (1998-10-13)
발명자 / 주소
  • Tarabulski Theodore J.
  • Knapper Curtis J.
  • Peter-Hoblyn Jeremy D.,GBX
  • Valentine James M.
출원인 / 주소
  • Clean Diesel Technologies, Inc.
대리인 / 주소
    Ware, Fressola, Van Der Sluys & Adolphson LLP
인용정보 피인용 횟수 : 150  인용 특허 : 19

초록 ▼

A safe, reliable SCR system for reducing NO.sub.x emissions from a lean-burn internal combustion engine utilizes urea in aqueous solution. A modular assembly is provided for mounting inside a urea reagent tank enables controlled feeding an aqueous urea solution to an injector. The assembly includes

대표청구항 ▼

[ What is claimed is:] [1.] A method for reducing the emissions of NO.sub.x in an exhaust gas from a lean-burn engine, comprising:monitoring the quality, temperature and level of urea solution in a storage vessel;generating sensor signals representative of the quality, temperature and level of urea

이 특허에 인용된 특허 (19)

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  13. Kato Akira (Hitachi JPX) Matsuda Shimpei (Hitachi JPX) Uno Shigeo (Hitachi JPX) Imahashi Jinichi (Hitachi JPX) Watanabe Yoshihisa (Inashiki JPX) Imanari Makoto (Inashiki JPX) Nakajima Fumito (Hitachi, Process for catalytically treating exhaust gas containing NOx in the presence of ammonia gas.
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