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특허 상세정보

Method and apparatus for thermal management of vehicle exhaust systems

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01N-003/20   
미국특허분류(USC) 60/274 ; 60/300 ; 60/303 ; 165/96
출원번호 US-0188394 (1994-01-27)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 49  인용 특허 : 0
초록

A catalytic converter is surrounded by variable conductance insulation for maintaining the operating temperature of the catalytic converter at an optimum level, for inhibiting heat loss when raising catalytic converter temperature to light-off temperature, for storing excess heat to maintain or accelerate reaching light-off temperature, and for conducting excess heat away from the catalytic converter after reaching light-off temperature. The variable conductance insulation includes vacuum gas control and metal-to-metal thermal shunt mechanisms. Radial an...

대표
청구항

Exhaust heat management apparatus, comprising: catalytic converter means comprising a catalyst and a substrate providing surface and support structure for the catalyst for catalyzing oxidation or reduction reactions with pollutants in exhaust gases; catalyst housing means for containing said catalytic converter means and for channeling exhaust gases to the catalytic converter means; and variable conductance insulation means surrounding said catalyst housing means for selectively insulating said housing means to inhibit transfer of heat radially from said...

이 특허를 인용한 특허 피인용횟수: 49

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