[특허]Coordination of HP and LP EGR

Coordination of HP and LP EGR 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-025/07
출원번호	US-0851238 (2010-08-05)
등록번호	US8042527 (2011-10-12)
발명자 / 주소	Styles, Daniel Joseph Dronzkowski, David Joseph Kurtz, Eric
출원인 / 주소	Ford Global Technologies, LLC
대리인 / 주소	Alleman Hall McCoy Russell & Tuttle LLP
인용정보	피인용 횟수 : 7 인용 특허 : 14

초록 ▼

A method for charging an intake manifold of an engine comprises adjusting an LP EGR flow rate and an uncooled HP EGR flow rate within first limits to maintain a target dilution level in the intake manifold at steady-state. The method further comprises adjusting the LP EGR and uncooled HP EGR rates within second limits, different from the first, to maintain the target dilution level in the intake manifold during transient conditions.

대표청구항 ▼

The invention claimed is: 1. A method for charging an intake manifold of an engine, comprising:adjusting an LP EGR flow rate and an uncooled HP EGR flow rate within first limits to maintain a target dilution level in the intake manifold at steady-state;adjusting the LP EGR and uncooled HP EGR rates within second limits, different from the first, to maintain the target dilution level in the intake manifold during transient conditions; andwhen the target dilution level is exceeded with the LP EGR and uncooled HP EGR rates at their respective lower flow-rate limits:setting the LP EGR flow rate to its lower limit;setting the uncooled HP EGR flow rate to a level that, in combination with the LP EGR flow rate at its lower limit, results in an intake-manifold dilution level approaching the target level; andenhancing a combustion stability of the engine.

이 특허에 인용된 특허 (14)

Haugen, David James, Control methods for low emission internal combustion system.
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Gray, Jr., Charles L., Controlled temperature combustion engine.
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Minami, Toshitaka, Device for purifying exhaust gas of diesel engines.
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Ishikawa,Naoya, EGR system for internal combustion engine provided with a turbo-charger.
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Hashizume,Takeshi, Exhaust gas control apparatus for internal combustion engine.
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Fujita, Tatsuya; Haraguchi, Hiroshi; Takemoto, Eiji, Exhaust recirculation apparatus for engine and method for controlling the same.
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Suzuki, Makoto, Internal combustion engine.
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Chanda Ashok A. ; Richards Randall R. ; Vachon John T., Method and system for late cycle oxygen injection in an internal combustion engine.
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Gray, Jr.,Charles L., Methods for low emission, controlled temperature combustion in engines which utilize late direct cylinder injection of fuel.
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Barbe,David; van Nieuwstadt,Michiel J.; Upadhyay,Devesh, System and method for diagnostic of low pressure exhaust gas recirculation system and adapting of measurement devices.
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Kurtz,Eric, System and method for operating an engine having an exhaust gas recirculation system.
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Kurtz,Eric Matthew; Vanderslice,John H., System and method for reducing NOx emissions during transient conditions in a diesel fueled vehicle with EGR.
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Kurtz, Eric Matthew; Vanderslice, John H., System and method for reducing Nox emissions during transient conditions in a diesel fueled vehicle with EGR.
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Sisken,Kevin Dean; Bolton,Brian Kenneth, Turbocharged internal combustion engine with EGR flow.
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이 특허를 인용한 특허 (7)

Shutty, John; Joergl, Volker, Controlling exhaust gas recirculation in a turbocharged engine system.
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Song, B. Jerry; York, Gregory J.; Wasberg, Jon C.; Correia, Josef J.; Athan, Timothy Ward, Intake temperature control systems and methods for intake manifold protection.
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Hoard, John; Reihani, Amin; Raj Singh, Maneet; Styles, Daniel Joseph, Method for utilizing condensate to improve engine efficiency.
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Zhang, Xiaogang, Methods and systems for controlling air flow paths in an engine.
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Zhang, Xiaogang, Methods and systems for controlling air flow paths in an engine.
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Schnorbus, Thorsten, NOX adjustment control with internal and external exhaust gas recirculation.
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Sivasubramaniam, Manthram; Gokhale, Manoj; Andra, Venkateswarlu; Sinha, Ankur; Bhat, Sanketh; Henry, Luke; Mischler, James Robert; Polkus, Greg Thomas, System and method for engine control.
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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

연합인증

Coordination of HP and LP EGR 원문보기