[특허]System and method for derating an engine to encourage servicing of a vehicle

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-041/22 F01N-003/021
출원번호	US-0185517 (2002-06-28)
발명자 / 주소	Oakes, Jeffrey L.
출원인 / 주소	Cummins Engine Company, Inc.
인용정보	피인용 횟수 : 7 인용 특허 : 20

초록 ▼

In one embodiment of the present invention, a system is disclosed for monitoring the backpressure produced by a particulate filter of an internal combustion engine. When the backpressure of the engine exceeds a predetermined threshold, indicating that the particulate filter should be serviced soon,

In one embodiment of the present invention, a system is disclosed for monitoring the backpressure produced by a particulate filter of an internal combustion engine. When the backpressure of the engine exceeds a predetermined threshold, indicating that the particulate filter should be serviced soon, an input to the electronic control module (ECM) indicating the intake manifold boost pressure is shunted to ground, thereby giving the ECM a false indication that no boost is being applied to the intake manifold. This will cause the ECM, according to its normal engine management software, to derate the engine performance to a "no air torque setting", thereby limiting the amount of torque that the vehicle operator can extract from the engine. This decreased performance of the engine provides a very high incentive to the vehicle operator to bring the vehicle in for servicing, at which point the particulate filter can be serviced. Upon servicing of the particulate filter, the backpressure threshold condition is no longer met, the input line to the ECM from the boost pressure sensor is no longer shunted to ground, and engine operation is returned to normal. Other embodiments of the present invention contemplate the use of engine performance derating in order to provide the vehicle operator with an incentive to have any sensed engine or vehicle condition serviced.

대표청구항 ▼

In one embodiment of the present invention, a system is disclosed for monitoring the backpressure produced by a particulate filter of an internal combustion engine. When the backpressure of the engine exceeds a predetermined threshold, indicating that the particulate filter should be serviced soon,

In one embodiment of the present invention, a system is disclosed for monitoring the backpressure produced by a particulate filter of an internal combustion engine. When the backpressure of the engine exceeds a predetermined threshold, indicating that the particulate filter should be serviced soon, an input to the electronic control module (ECM) indicating the intake manifold boost pressure is shunted to ground, thereby giving the ECM a false indication that no boost is being applied to the intake manifold. This will cause the ECM, according to its normal engine management software, to derate the engine performance to a "no air torque setting", thereby limiting the amount of torque that the vehicle operator can extract from the engine. This decreased performance of the engine provides a very high incentive to the vehicle operator to bring the vehicle in for servicing, at which point the particulate filter can be serviced. Upon servicing of the particulate filter, the backpressure threshold condition is no longer met, the input line to the ECM from the boost pressure sensor is no longer shunted to ground, and engine operation is returned to normal. Other embodiments of the present invention contemplate the use of engine performance derating in order to provide the vehicle operator with an incentive to have any sensed engine or vehicle condition serviced.

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이 특허에 인용된 특허 (20) 인용/피인용 타임라인 분석

Wade, Wallace R.; Rao, Vemulapalli Durga N., Automatic initiation system for regenerating a particulate filter trap.
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Nomoto Yoshitaka (Higashihiroshima JPX) Matsuoka Tsutomu (Higashihiroshima JPX), Cleaner control for diesel engine exhaust gases.
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Jeong Young-Il,KRX ; Lee Jin-Wook,KRX, Counterflow type particulate matter filter trap system having metal fiber filter.
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Kawamura Hideo (Samukawa-machi JPX), Diesel particulate filter and control device therefor.
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Barris Marty A. (Lakeville MN) Wagner Wayne M. (Apple Valley MN), Engine exhaust particle trap captured mass sensor.
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Hayashi Kotaro (Susono JPX) Inoue Tokuta (Mishima JPX) Ito Sumio (Gotenba JPX) Kobashi Kiyoshi (Mishima JPX) Takeshima Shinichi (Susono JPX), Exhaust emission control device for a diesel engine.
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Aramaki Takashi (Kanagawa JPX), Exhaust emission control failure detection system for internal combustion engine.
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Fuchs Ervin P. (Farmington MN) Steinbrueck Edward A. (Eden Prairie MN) Wagner Wayne M. (Apple Valley MN), Exhaust filter backpressure indicator.
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Hosoya Yasuhiko (Himeji JPX) Ohuchi Hirofumi (Himeji JPX) Takahashi Tatsuhiko (Himeji JPX), Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same.
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Shinzawa, Motohiro; Aoyama, Shunichi; Sekiya, Yoshiki; Kanesaki, Nobukazu, Exhaust gas purifying device for an internal combustion engine.
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Matsumoto Seiji (Wako JPX) Aoki Takuya (Wako JPX) Shimasaki Yuichi (Wako JPX) Hatcho Seiji (Wako JPX) Oketani Toshikazu (Wako JPX) Miyashita Yukio (Wako JPX) Saito Akihisa (Wako JPX) Komatsuda Takash, Exhaust gas-purifying system for internal combustion engines.
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Kanesaki Nobukazu (Kanagawa JPX), Exhaust particle removing system for internal combustion engine.
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Pfister Wolfgang (Esslingen DEX) Blaschke Walter (Esslingen DEX) Burner Erwin (Adelberg DEX) Wacker Heinrich (Weilheim/Teck DEX) Steiner Peter (Aichwald DEX), Method and device for determining the load condition of particle filters.
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Miyazaki Tatsuro,JPX ; Tokubuchi Nobuyuki,JPX ; Arita Mashaaki,JPX ; Inoue Masahiro,JPX ; Fukuda Kensei,JPX ; Kuroda Shouji,JPX ; Shimizu Shoichi,JPX ; Noda Kazuhiko,JPX, Method for purification of exhaust gas.
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Houben Hans (Wuerselen DEX) Berendes Heinrich (Cologne DEX) Pusch Reinhard (Leverkusen DEX) Rodemeister Axel (Balingen-Engstlatt DEX), Method for the regeneration of particulate-filter systems.
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Adamczyk ; Jr. Andrew A. (Dearborn MI) Hepburn Jeffrey S. (Dearborn MI), Methods and apparatus for monitoring the performance of hydrocarbon engine emission trapping devices.
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Koike Satoshi (Kariya JPX), Oxygen-sensor abnormality detecting device for internal combustion engine.
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Sweeney William M. (Wappingers Falls NY), Smoke filter rejuvenation system.
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Sebastian Strauss, System and method for improved sensing of exhaust pressure.
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Michiel Jacques van Nieuwstadt ; Ilya Vladimir Kolmanovsky, System and method for monitoring the loading of a diesel particulate filter.
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이 특허를 인용한 특허 (7) 인용/피인용 타임라인 분석

Leach,James T.; Fraim,Michael Lee, Controlled spectrum ultraviolet radiation pollution control process.
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Slaton, Zachary; Grothen, Brett Alan, Hierarchical vehicle de-rate and notification system.
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Swoish, Christopher C.; Sarsen, Douglas Christopher; Whitt, Christopher; Larose, Jr., Thomas, Method and apparatus to control regeneration of a particulate filter.
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Imai,Takehito; Suzuki,Tsuneo; Gabe,Masashi; Ochi,Naofumi, Regeneration control method for continuously regenerating diesel particulate filter device.
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Imai, Takehito; Suzuki, Tsuneo; Gabe, Masashi; Ochi, Naofumi, Regenerative control method for continuous regenerative diesel particulate filter device.
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Oakes, Jeffrey L.; Chiaramonte, Martin; Prostakov, Michael, System and method for derating an engine to encourage servicing of a vehicle.
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Avery, Jr.,Richard M.; Letang,Dennis M., System and method for excluding false back pressure faults after installation of a particulate trap filter.
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