[특허]Method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-007/06
출원번호	US-0992373 (2001-11-06)
발명자 / 주소	Stanglmaier, Rudolf H.
출원인 / 주소	Southwest Research Institute
대리인 / 주소	Gunn & Lee, P.C.
인용정보	피인용 횟수 : 17 인용 특허 : 19

초록 ▼

A method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions, as is often necessary to maintain effective operation of certain post-combustion emission reduction devices, such as Lean NOx Traps, includes a readily vaporizable fuel injection nozzle dispos

A method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions, as is often necessary to maintain effective operation of certain post-combustion emission reduction devices, such as Lean NOx Traps, includes a readily vaporizable fuel injection nozzle disposed in the intake manifold system in communication with a combustion chamber of the diesel engine. The readily vaporizable fuel mixes with the intake air and produces a mixture of pre-mixed air and fuel when introduced into the combustion chamber. A diesel fuel, which is directly injected into the combustion chamber through a conventional diesel fuel injection nozzle. Combustion of the pre-mixed air and readily vaporizable fuel, with controlled injected of the diesel fuel, reduces the particulate matter (soot) emissions when operating the engine under the necessary stoichiometric or slightly fuel-rich conditions.

대표청구항 ▼

A method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions, as is often necessary to maintain effective operation of certain post-combustion emission reduction devices, such as Lean NOx Traps, includes a readily vaporizable fuel injection nozzle dispos

A method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions, as is often necessary to maintain effective operation of certain post-combustion emission reduction devices, such as Lean NOx Traps, includes a readily vaporizable fuel injection nozzle disposed in the intake manifold system in communication with a combustion chamber of the diesel engine. The readily vaporizable fuel mixes with the intake air and produces a mixture of pre-mixed air and fuel when introduced into the combustion chamber. A diesel fuel, which is directly injected into the combustion chamber through a conventional diesel fuel injection nozzle. Combustion of the pre-mixed air and readily vaporizable fuel, with controlled injected of the diesel fuel, reduces the particulate matter (soot) emissions when operating the engine under the necessary stoichiometric or slightly fuel-rich conditions. cylinders of an engine on the basis of the power required from it; selecting the quantity of fuel gas supplied to each of the cylinders; and selecting, in successive engines cycles, different cylinders to supply with fuel gas according to a predetermined scheme of rotation.

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이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

Dickey Daniel W., Apparatus and method for reducing emissions in a dual combustion mode diesel engine.
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Beck Niels J. (Bonita CA), Electronically controlled pilot fuel injection of compression ignition engines.
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Hirota Shinya,JPX ; Kibe Kazuya,JPX ; Mizuno Tatsuji,JPX ; Iguchi Satoshi,JPX ; Tanaka Toshiaki,JPX, Fuel injection control device for a direct injection type engine.
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Sung Shiang (New York NY) Steger John J. (Pittstown NJ) Dettling Joseph C. (Howell NJ) Burk Patrick L. (Freehold NJ), Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines.
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Ilyama Akihiro,JPX ; Miyakubo Hiroshi,JPX, Fuel supply apparatus of internal combustion engine.
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Reimuller Christian J. (Cherry Valley CA), Fuel vaporization and injection system for internal combustion engine.
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Kato Nobuhide,JPX ; Kurachi Hiroshi,JPX, Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means.
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Gray, Clint D. J., Method of operating a dual fuel internal.
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Roberts, Jr., Charles E., Multi-zone combustion chamber and method for combustion control in compression-ignited reciprocating engines.
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Matthews Ronald D. ; Stanglmaier Rudolf H. ; Davis George Carver ; Dai Wengang, On-board gasoline distillation for reduced hydrocarbon emissions at start-up.
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Digeser Steffen,DEX ; Duvinage Frank,DEX ; Fausten Hans,DEX ; Friess Walter,DEX ; Kerckhoff Anton,DEX ; Liebscher Thomas,DEX ; Pischinger Stefan,DEX ; Stotz Marco,DEX, Process and system for operating a diesel engine.
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Lagano Thomas (Juno Beach FL) Batchelor William H. (Jensen Beach FL), Process for controlling secondary gas fuel to normally liquid fueled I.C. engine.
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Andrew T. Hunt, Systems and methods for delivering atomized fluids.
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Miyajima Kiyoshi (Tokyo JPX) Oikawa Hiroshi (Tokyo JPX) Kono Yoichiro (Tokyo JPX) Kumagai Yasuaki (Kanagawa JPX) Nakayama Shinji (Tokyo JPX) Nakagawa Hiroshi (Nagasaki JPX) Nakashima Masayoshi (Nagas, Zeolite converter for diesel engine.
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Munshi, Sandeep; Welch, Alan B.; McTaggart-Cowan, Gordon P., Gaseous-fuelled stoichiometric compression ignition internal combustion engine.
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Khair, Magdi K.; Simescu, Stefan; Neely, Gary D.; Ulmet, Vlad L. C., Passive NOx and PM aftertreatment for diesel engine.
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Li,Xiaobin; Pavlova MacKinnon,Zornitza Pavlinova; Oladipo,Adedejo Bukola; Aneja,Rakesh, System and method for reducing compression ignition engine emissions.
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Dibble, Robert W.; Tripathi, Adya S.; Silvestri, Chester J., System and methods for stoichiometric compression ignition engine control.
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McClure, Thomas R.; Cornell, Sean O.; Miller, Robert L.; Pipis, Jr., John S., System to control exhaust gas temperature.
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[미국특허] Method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions 원문보기

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[미국특허] Method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions 원문보기

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