[특허]Method and apparatus for reducing particulates and NO.sub.X emissions from diesel engines utilizing oxygen enriched combustion air

[미국특허] Method and apparatus for reducing particulates and NO.sub.X emissions from diesel engines utilizing oxygen enriched combustion air 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01N-003/00
출원번호	US-0102232 (1998-06-22)
발명자 / 주소	Poola Ramesh B. Sekar Ramanujam R.
출원인 / 주소	The University of Chicago
대리인 / 주소	Mason, Kolehmainen, Rathburn & Wyss
인용정보	피인용 횟수 : 29 인용 특허 : 8

초록 ▼

An emission control system for reducing total particulates and NO.sub.X emissions from the exhaust of a diesel engine includes an air supply system that supplies oxygen enriched air to an air intake of the engine. The air supply system may include a selectively permeable air separating membrane device for producing the oxygen enriched air. In order to effectively utilize the increase in the concentration level of oxygen in the intake air, the amount of fuel being supplied to the diesel engine also is increased at a minimum in proportion to the increased concentration level of oxygen in the intake air. The increase in the amount of such fuel being supplied to the diesel engine can be adjusted by an electronic fuel injection system used on such diesel engines. In addition, the electronic fuel injection system is used to retard the injection timing of the engine.

대표청구항 ▼

[ What is claimed and desired to be secured by Letters Patent of the United States is:] [1.] An emission control system for a combustion engine to limit pollutants in exhaust gases emitted from an exhaust of said engine, said emission control system comprising:a source of oxygen enriched air in fluid communication with an air intake of said engine, said oxygen enriched air being supplied to said air intake contains approximately 23%-25% oxygen concentration by volume; anda fuel and timing control system, said fuel and timing control system controlling the amount of fuel being supplied to said engine such that the amount of fuel is increased at a minimum in proportion to the amount of oxygen in said oxygen enriched air and the injection timing of said engine is retarded approximately 4-10 degrees of crank shaft angle.

이 특허에 인용된 특허 (8) 인용/피인용 타임라인 분석

Nemser Stuart M. (Wilmington DE), Air-intake system for mobile engines.
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Coleman Gerald N. ; Sibley James E., Fuel control system for an internal combustion engine using a low cetane quality fuel.
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Kadota Yoichi,JPX, Fuel control system for cylinder injection type internal combustion engine.
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Poola Ramesh B. (Woodridge IL) Sekar Ramanujam R. (Naperville IL) Stork Kevin C. (Chicago IL), Method and apparatus for reducing cold-phase emissions by utilizing oxygen-enriched intake air.
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Sekar Ramanujam R. (Naperville IL) Hoppie Lyle O. (West Bloomfield MI), NOx reduction method.
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Ng Henry K. (Naperville IL) Novick Vincent J. (Downers Grove IL) Sekar Ramanujam R. (Naperville IL), Nitrogen spark denoxer.
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Nemser Stuart M. (Wilmington DE) Roman Ian C. (Wilmington DE), Perfluorodioxole membranes.
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Poola Ramesh B. (Woodridge IL) Sekar Ramanujam R. (Naperville IL) Cole Roger L. (Elmhurst IL), Variable oxygen/nitrogen enriched intake air system for internal combustion engine applications.
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이 특허를 인용한 특허 (29) 인용/피인용 타임라인 분석

Stewart, Ted; Napier, James, Air pressure boost assist.
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Schechter, Michael Moses, Airless gas-turbine engine.
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Hamad, Esam Zaki; Al-Sadat, Wajdi Issam, Apparatus and method for oxy-combustion of fuels in internal combustion engines.
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Chandler, Christopher, Automated tuning of gas turbine combustion systems.
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Chandler, Christopher, Automated tuning of gas turbine combustion systems.
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Chandler, Christopher, Automated tuning of gas turbine combustion systems.
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Chandler, Christopher, Automated tuning of gas turbine combustion systems.
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Chandler, Christopher, Automated tuning of multiple fuel gas turbine combustion systems.
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Gaur, Siddhartha; Bansal, Vibha, Combustion controlled NOx reduction method and device.
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Bima, Michael, Emissions reduction system for an internal combustion engine.
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Powell, Patrick; Bima, Michael, Emissions reduction system for an internal combustion engine.
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Tewari, Asim; Ramanathan, Karthik; Sachdev, Anil K., Enhanced oxygen pressure engine.
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Keefer, Bowie G.; Mather, Daniel K.; Foster, David E.; Connor, Denis J.; Hunter, Carl F.; Smith, Todd, Feed composition modification for internal combustion engines.
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Masatoshi Shimoda JP; Toshiaki Kakegawa JP; Haruyuki Yokota JP, Internal combustion engine.
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Ha, Yeonggil; Kim, Yunha, Low-fuel consumption and low pollution combustion system for supplying vehicle engine with mixture of fuel and oxygen.
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Davidson,James G., Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines.
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Davidson,James G., Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines.
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Arthur J. Jacobsen, Method and apparatus for reducing oxides of nitrogen in the exhaust gas of an internal combustion engine.
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Suhre, Blake R.; Konopacki, Jeffery M., Method for controlling an internal combustion engine with nitrous oxide injection.
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Beckmann, Markus, Method for operating an internal combustion engine of a vehicle, especially a motor vehicle, and device for implementing said method.
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Biruduganti,Munidhar S.; Gupta,Sreenath Borra; Sekar,R. Raj; McConnell,Steven S., Nitrogen enriched combustion of a natural gas internal combustion engine to reduce NOemissions.
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Chandler, Christopher, Optimization of gas turbine combustion systems low load performance on simple cycle and heat recovery steam generator applications.
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Edward Daniel Klomp, Oxygen enrichment for air-assist type fuel injectors.
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Strehlau Wolfgang,DEX ; Mussmann Lothar,DEX ; Gobel Ulrich,DEX, Process for evaluating performance deterioration of a nitrogen oxide storage catalyst.
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Joy, Michael J.; Neill, Lawrence, Remedial system: a pollution control device for utilizing and abating volatile organic compounds.
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Joy, Michael J.; Neill, Lawrence, Remedial system: a pollution control device for utilizing and abating volatile organic compounds.
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Roy, Michael J.; Neill, Lawrence, Remedial system: a pollution control device for utilizing and abating volatile organic compounds.
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Livingston, Brian Paul; Dutart, Charles H., Separation membrane cartridge with bypass.
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Gokhale, Manoj Prakash; Gandikota, Madhuri, System and method for operating a turbocharged engine.
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IPC	Description
A	생활필수품
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A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method and apparatus for reducing particulates and NO.sub.X emissions from diesel engines utilizing oxygen enriched combustion air 원문보기