[특허]Method and system for controlling temperatures of exhaust gases emitted from an internal combustion engine to facilitate regeneration of a particulate filter

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01N-003/00
출원번호	US-0446799 (2006-06-05)
등록번호	US-7322183 (2008-01-29)
발명자 / 주소	Sisken,Kevin Dean Pavlova MacKinnon,Zornitza Pavlinova
출원인 / 주소	Detroit Diesel Corporation
대리인 / 주소	Brooks Kushman P.C.
인용정보	피인용 횟수 : 2 인용 특허 : 37

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Method, system, and controller for increasing exhaust gas temperatures through controlled operation of a radiator fan in order to facilitate regeneration of a particulate filter. The method, system, and controller being applicable in systems having an engine which emits exhaust gases having particul

Method, system, and controller for increasing exhaust gas temperatures through controlled operation of a radiator fan in order to facilitate regeneration of a particulate filter. The method, system, and controller being applicable in systems having an engine which emits exhaust gases having particulates which are captured by the particulate filter.

대표청구항 ▼

What is claimed is: 1. A method for controlling temperatures of exhaust gases emitted from an internal combustion engine to facilitate regeneration of particulates captured with a particulate filter, the internal combustion engine having a number of cylinders for internal combustion which emit exha

What is claimed is: 1. A method for controlling temperatures of exhaust gases emitted from an internal combustion engine to facilitate regeneration of particulates captured with a particulate filter, the internal combustion engine having a number of cylinders for internal combustion which emit exhaust gases and the particulate filter being in fluid communication with the emitted exhaust gases to capture particulates, the method comprising: determining a desired increase in exhaust gas temperature relative to current exhaust gas temperatures, the desired increase in exhaust gas temperature corresponding with a need to increase exhaust gas temperatures in order to facilitate regenerate of the particulate filter; operating a radiator fan as a function of the desired increase in exhaust gas temperature to increase load on the engine and thereby exhaust gas temperature so as to emit exhaust gases from the engine to meet the desired increase in exhaust gas temperature; and continuously adjusting radiator fan operation to maintain the exhaust gas temperature at a regeneration exhaust gas temperature once the desired increase in exhaust gas temperature is achieved, the regeneration exhaust gas temperature selected to facilitate regeneration. 2. The method of claim 1 further comprising determining the desired increase in exhaust gas temperature as a function of exhaust gas temperature at a particulate filter doser, the particulate filter doser being located upstream from the particulate filter and configured for introducing fuel to the exhaust gases to facilitate regeneration of the particulate filter. 3. The method of claim 1 further comprising determining the desired increase in exhaust gas temperature as a function of exhaust gas temperature at an oxidation catalyst (OC). 4. The method of claim 1 further comprising controlling a radiator fan speed to control a rate at which the exhaust gas temperatures increase. 5. The method of claim 1 further comprising operating the radiator fan to increase load on the engine when a thermostat used to control coolant flow to a radiator is closed. 6. The method of claim 1 further comprising operating the radiator fan independently of fresh air flow, EGR valve positioning, and engine fuel supply. 7. The method of claim 1 further comprising determining the desired increase in exhaust gas temperature as a function of temperatures at filter cannister of the particulate filter. 8. The method of claim 1 further comprising modulating fan operation after achieving the desired increase in exhaust gas temperature to maintain the temperature of the emitted exhaust gases within a predefined temperature range to facilitate regeneration. 9. The method of claim 8 further comprising modulating fan speed to maintain the temperature of the emitted exhaust gases within the predefined temperature range to facilitate regeneration. 10. The method of claim 1 further comprising operating the fan only if an engine coolant fluid temperature is above a predefined threshold. 11. The method of claim 10 wherein the engine is in a vehicle having a passenger compartment, and wherein the method further comprises selecting the engine coolant fluid temperature threshold as a function of desired passenger compartment temperatures. 12. The method of claim 11 further comprising sensing passenger compartment heating demands with a sensor in the passenger compartment to facilitate selecting the engine coolant temperature threshold. 13. The method of claim 12 further comprising selecting the engine coolant fluid temperature to be at least 130�� F. 14. The method of claim 12 further comprising operating the fan independently of engine coolant temperature if a thermostat used to control fluid flow to a radiator is open. 15. A method for controlling temperatures of exhaust gases emitted from an internal combustion engine to facilitate regeneration of particulates captured with a particulate filter, the internal combustion engine having a number of cylinders for internal combustion which emit exhaust gases and the particulate filter being in fluid communication with the emitted exhaust gases to capture particulates, the method comprising: determining a desired exhaust gas temperature; operating a radiator fan as a function of the desired exhaust gas temperature to control load on the engine and thereby the exhaust gas temperature so as to emit exhaust gases from the engine to meet the desired exhaust gas temperature; and wherein a speed of the radiator fan is controllably increased to increase exhaust gas temperatures and controllably decreased to decrease exhaust gas temperatures. 16. The method of claim 15 further comprising operating the radiator fan to increase load on the engine only if a thermostat used to control coolant flow to a radiator is open. 17. The method of claim 15 further comprising operating the radiator fan to increase load on the engine only if a thermostat used to control coolant flow to a radiator is closed. 18. The method of claim 15 further comprising determining the desired increase in exhaust gas temperature as a function of temperatures at an oxidation catalyst of the particulate filter. 19. The method of claim 15 further comprising determining the desired increase in exhaust gas temperature as a function of temperatures at filter cannister of the particulate filter.

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이 특허에 인용된 특허 (37) 인용/피인용 타임라인 분석

Machida Kenichi (Atsugi JPX), Apparatus and method for diagnosing radiator fan control system installed in vehicular internal combustion engine.
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Moraal, Paul Eduard; Christen, Urs; Yacoub, Yasser Mohamed Sayed, Apparatus and method for interrupting regeneration of a particulate filter in a diesel engine.
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Kanazawa Yoshifusa (Saitamo JPX) Kumada Masayuki (Saitamo JPX), Cooling control apparatus of automobile engine.
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Minami, Toshitaka, Device for purifying exhaust gas of diesel engines.
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Kinugawa, Masumi; Sekiguchi, Kiyonori; Fujita, Tatsuya, Device for purifying exhaust gas of engines.
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Hardy James A. (Playa Del Rey CA), Diesel engine particulate trap regeneration system.
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Tashiro, Yoshihisa; Imai, Takehito; Suzuki, Tsuneo; Ochi, Naofumi; Gabe, Masashi, Diesel particulate filter unit and regeneration control method of the same.
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Kume Satoru (Otsu JPX) Yoshida Michiyasu (Kyoto JPX) Kume Tateo (Kyoto JPX) Oshima Hiroki (Kyoto JPX) Kawagoe Mitsuhiro (Kyoto JPX) Koga Kazuo (Otokuni JPX), Diesel particulate oxidizer regeneration system.
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Morimoto, Manabu; Oohashi, Kazuya; Terada, Mikio, Exhaust emission control device.
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Kuboshima, Tsukasa; Okugawa, Shinichiro; Saito, Makoto; Yahata, Shigeto; Kinugawa, Masumi, Exhaust gas cleaning system having particulate filter.
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Saito, Makoto; Yahata, Shigeto; Kinugawa, Masumi; Sekiguchi, Kiyonori; Kuboshima, Tsukasa, Exhaust gas purification system having particulate filter.
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Ootake, Makoto, Fuel injection control for diesel engine.
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Khair, Magdi K.; Webb, Cynthia C.; Bartley, Gordon J.; Sharp, Christopher A., Integrated system for controlling diesel engine emissions.
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Strohmaier, Rainer; Zimmermann, Stefan; Bauer, Martin, Method and device for controlling an exhaust gas aftertreatment system.
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Bolt Heinz (Wolfratshausen DEX) Walser Franz (Murnau DEX) Schoneborn Axel (Rodenbach DEX), Method and device for removing particles from exhaust gases from internal combustion engines.
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Plote, Holger, Method and device for the control of an exhaust gas treatment system.
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Meyer, Garth Michael; Asik, Joseph Richard, Method and system for controlling a regeneration cycle of an emission control device.
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Moraal Paul Eduard,NLX ; Chevalier Alain Marie Roger,FRX ; Kuenstler Johannes,DEX ; Christen Urs,CHX, Method for controlling an exhaust gas temperature of an engine for improved performance of exhaust aftertreatment systems.
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Druckhammer, Jens; Schulze, Frank; Lang, Axel, Method for controlling the regeneration of an NOx storage converter.
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Corinna Pfleger DE; Hong Zhang DE, Method for regenerating a NOx storage catalytic converter for an internal combustion engine.
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Kuenstler, Johannes; Moraal, Paul Eduard; Christen, Urs; Yacoub, Yasser Mohamed Sayed, Method for regenerating a diesel particulate filter.
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Klaus Neumann DE; Stefan Schneider DE, Method for regenerating an activated carbon filter loaded with hydrocarbons.
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Rossi Sebastiano Giovanni Maria,ITX ; Canale Silvio,ITX, Method of automatically initiating regeneration of a particulate filter of a diesel engine with a rail injection system.
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Tonetti, Marco; Rossi Sebastiano, Giovanni Maria; Mugnaini, Maurizio; Rellecati, Pierluigi, Method of initiating regeneration of a particulate filter for a direct-injection diesel engine with a common rail injection system.
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Matthias Wiese DE, Method of regenerating an activated-carbon canister.
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Erdmannsdoerfer Hans (Ludwigsburg DEX) Numrich Rudi (Weinstadt DEX) Weyh Gerd (Leonberg-Eltingen DEX) Wagner Manfred (Stuttgart DEX) Zundel Fritz (Besigheim DEX), Process and apparatus for the burning off of carbon (SOOT) deposited on exhaust gas filters.
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Abthoff Jrg (Plderhausen DEX) Schuster Hans-Dieter (Schorndorf DEX) Langer Hans-Joachim (Remseck DEX) Strohmer Erwin (Berglen DEX) Gabler Rolf (Waiblingen DEX) Schulte Roland (Korb DEX), Process and apparatus for the regeneration of a soot-particle filter in an internal-combustion engine.
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Goerlich Dieter (Emmering DEX), Process and device for closed-loop and open-loop control of the output of a burner.
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Dementhon Jean-Baptiste,FRX ; Martin Brigitte,FRX ; Pajot Olivier,FRX, Process and device for controlling a particulate filter.
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Dementhon Jean-Baptiste,FRX ; Martin Brigitte,FRX ; Bourry Bruno,FRX, Process and device for local and controlled regeneration of a particle filter.
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Pischinger Franz (Aachen DEX) Lepperhoff Gerhard (Eschweiler DEX), Process and system for the regeneration of particulate filter traps.
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Santiago Enrique (Diedorf DEX) Kugland Peter (Friedberg DEX) Ullmer Alois (Munich DEX), Process for the automatic regeneration of a soot filter in a passenger vehicle having a diesel engine.
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James Alan Sherman ; Arthur Paull Lyons, Regeneration control of particulate filter, particularly in a hybrid electric vehicle.
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Gomulka, Ted G., System and method for regenerating exhaust system filtering and catalyst components.
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Olivier Salvat FR; Patrice Le Tallec FR, System for assisting the regeneration of a particle filter integrated into an exhaust line of a motor vehicle diesel engine.
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Pischinger Franz (Aachen DEX) Lepperhoff Gerhard (Eschweiler DEX), System for the regeneration of a particulate filter trap.
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Webb, Cynthia Chaffin; Weber, Phillip Anthony; Khair, Magdi K., Systems and methods for controlling diesel engine emissions.
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이 특허를 인용한 특허 (2) 인용/피인용 타임라인 분석

Kapparos, David Joseph; Cox, Glenn Brian, Method for modifying air provided for regeneration.
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Washburn, George T., Switchable water pump control systems and methods.
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[미국특허] Method and system for controlling temperatures of exhaust gases emitted from an internal combustion engine to facilitate regeneration of a particulate filter 원문보기

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[미국특허] Method and system for controlling temperatures of exhaust gases emitted from an internal combustion engine to facilitate regeneration of a particulate filter 원문보기

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