[특허]Optimized exhaust after-treatment integration

[미국특허] Optimized exhaust after-treatment integration 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01N-003/00 F02D-041/00 F01N-003/20 F02D-041/14 F02D-041/02
출원번호	US-0655268 (2007-01-19)
등록번호	US-8899018 (2014-12-02)
발명자 / 주소	Frazier, Tim Andrews, Eric Federle, Ken
출원인 / 주소	Cummins Inc.
대리인 / 주소	Foley & Lardner LLP
인용정보	피인용 횟수 : 4 인용 특허 : 19

초록 ▼

Through the use transfer functions, or other modeling types, directed toward the individual operation of an engine and after-treatment subsystems, an optimizer determines the trade-offs between fuel consumption, urea consumption, and reduction of NOx and PM emissions for each component of the integrated system. Evaluation of these trade-offs permits the optimizer to dictate how each component should be controlled, or adjusted, to achieve optimal fuel (and urea) consumption while meeting the constraints bounding the solution. Response characteristics can be triggered by adjusting certain engine operating levers in order to achieve optimal performance of the integrated system.

대표청구항 ▼

1. A system for optimizing exhaust emissions from a combustion engine, the system comprising: a combustion engine producing engine exhaust emissions;at least one exhaust after-treatment device adapted to convert the engine exhaust emissions to converted exhaust emissions; andan optimizer adapted to adjust at least one operating parameter according to at least one cost/response function based on cost of consumption of fuel and cost of consumption of a reducing agent used for the exhaust after-treatment device,wherein at least one of the engine and the at least one after-treatment device responds to adjustment of the at least one operating parameter, andthe at least one cost/response function provides a cost for a response to adjustment of the at least one operating parameter. 2. The system according to claim 1, wherein the exhaust emissions from the combination of the engine and the at least one after-treatment device is below target emissions levels after the optimizer adjusts the at least one operating parameter. 3. The system according to claim 1, wherein the response to adjustment of the at least one operating parameter is determined from at least one transfer function. 4. A method for optimizing exhaust emissions from a combustion engine, the method comprising: determining, from at least one transfer function, a response from at least one of a combustion engine and at least one after-treatment device to adjustment of at least one operating parameter;determining at least one cost/response function for each of the combustion engine and the at least one exhaust after-treatment device based on cost of consumption of fuel and cost of consumption of a reducing agent used for the exhaust after-treatment device,wherein the at least one cost/response function provides a cost for the response to adjustment of the at least one operating parameter; andadjusting the at least one operating parameter according to the at least one cost/response function. 5. The system according to claim 4, wherein, after the step of adjusting the at least one operating parameter, the exhaust emissions from the combination of the engine and the at least one after-treatment device is below target emissions levels.

이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

Kumar Sanath V. ; Briden Frank C., Air/fuel ratio manipulation code for optimizing dynamic emissions.
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Sochtig Gerhard (Weissdornstrasse 13 4 Dusseldorf DT) Heitfeld Heinz (Waldblick 27 43 Essen DT), Automatic process for the optimum regulation of aircraft fuel flow.
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Subramanian Somasundaram ; Kudla Robert J. ; Chattha Mohinder S., Catalyst system for converting emissions of a lean-burn engine.
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Patchett, Joseph A.; Verbeek, Rudolfus Petrus; Grimston, Karl Richard; Rice, Gary Wayne; Calabrese, John Lawrence; Genderen, Mathijs Van, Control system for mobile NOx SCR applications.
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Upadhyay, Devesh; Goebelbecker, Michael; van Nieuwstadt, Michiel J.; Ruona, William Charles, Diesel aftertreatment systems.
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Cho Y. Liang ; Steven R. McCoy, Emissions diagnostic system.
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Kibe Kazuya,JPX, Exhaust emission purification apparatus for an internal combustion engine.
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Kouno, Susumu; Suzuki, Kenji; Takeshita, Kazuko; Iida, Kozo; Onishi, Toshiyuki; Hattori, Akira, Feedback control method in V-shaped characteristic system, and NH3 injection rate control method for NOx removal apparatus using the same.
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Russell, John David, Lean catalyst and particulate filter control.
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Winfried Doelling DE; Lothar Hofmann DE; Wieland Mathes DE, Method and device for controlling a combustion system and for catalytic cleaning of exhaust gas, and combustion system.
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Genderen, Mathijs Van, Method for determining catalyst cool down temperature.
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Emmerling Gerhard,DEX ; Zuther Frank,DEX ; Doring Andreas,DEX, Method for metering a reducing agent into NO.sub.x -containing exhaust gas of an internal combustion engine.
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Shigapov, Albert Nazipovich; Carberry, Brendan Patrick; McCabe, Robert Walter, Method of treating diesel exhaust gases.
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Labbe Donald E. (Woburn MA), NOx Emissions advisor and automation system.
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Imad Hassan Makki ; James Michael Kerns ; John Ottavio Michelini, Optimization method for a lean capable multi-mode engine.
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Tarabulski Theodore J., Reducing NO.sub.x emissions from an engine while maximizing fuel economy.
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Kobayashi Motonobu (Hyogo JPX) Kinoshita Futoru (Hyogo JPX) Hagi Mitsuharu (Hyogo JPX) Inoue Akira (Osaka JPX) Uno Terushige (Osaka JPX), Removing nitrogen oxides in exhaust gases from a diesel engine.
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Windle William E. (Antwerp OH) Zimmerman Robert E. (Woodburn IN) Glotzbach Ronald W. (Ft. Wayne IN) Onesti Robert J. (Ft. Wayne IN), Truck operation monitoring system.
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Peter-Hoblyn Jeremy D.,GBX ; Balles Eric N. ; Tarabulski Theodore J. ; Hofmann John E. ; Valentine James M., Urea pyrolysis chamber and process for reducing lean-burn engine NO.sub.x emissions by selective catalytic reduction.
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이 특허를 인용한 특허 (4) 인용/피인용 타임라인 분석

Fuxman, Adrian Matias; Pachner, Daniel, Condition-based powertrain control system.
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Pachner, Daniel, Identification approach for internal combustion engine mean value models.
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Singh, Navtej, NOx model.
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Markham, Thomas R., Vehicle security module system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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] Optimized exhaust after-treatment integration 원문보기