[특허]Staged direct injection diesel engine

Staged direct injection diesel engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-045/02
출원번호	US-0713744 (1991-06-11)
발명자 / 주소	Ariga Susumu (San Antonio TX)
출원인 / 주소	Southwest Research Institute (San Antonio TX 02)
인용정보	피인용 횟수 : 26 인용 특허 : 0

초록 ▼

Apparatus and method for operating a 2-stroke or 4-stroke reciprocating compression-ignition internal combustion engine, of the direct injection type, to reduce fuel consumption and to reduce NOx emissions. A staged fuel injection process involving two fuel injectors, but only one type of fuel, is used. A low pressure fuel injection device injects a pilot fuel charge into the combustion chamber when the combustion chamber is near its lowest pressure and its maximum volume. The pilot fuel charge stratifies within the combustion chamber, and undergoes a preflame reaction with a resultant release of heat energy. Near the end of the compression stroke of the piston, when the combustion chamber is near its minimum volume, a high pressure fuel injector injects a main fuel charge into the combustion chamber. The main fuel charge is ignited by the burning pilot fuel charge, and combustion of the main fuel charge is accelerated by the heat energy released by the pilot fuel charge preflame reaction. This accelerated combustion process reduces the ignition delay and premix combustion rate, and results in reduced fuel consumption and NOx emissions, without adversely affecting either combustion noise levels or particulate emission.

대표청구항 ▼

An improved fuel system for use in a reciprocating compression ignition internal combustion engine that includes a cylinder block having a cylinder bore therein, a head closing one end of said bore, an inlet port and an exhaust port connected to said bore, a piston located for reciprocation in said bore, and a fuel supply, the fuel system comprising: low pressure fuel injector means connected to said fuel supply for injecting a pilot fuel charge into said bore when said piston is located relatively remote from said head; and high pressure fuel injector means connected to said fuel supply for injecting a main fuel charge into said bore when said piston is proximate said head, whereby said pilot fuel charge is ignited by the heat of compression and, subsequently, ignites said main fuel charge during reciprocation of said piston.

이 특허를 인용한 특허 (26)

Canale,Silvio; Pelassa,Michele, Closed-loop electronic control system for controlling combustion in a diesel engine operating with highly premixed combustion.
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Nakakita, Kiyomi; Fuyuto, Takayuki; Inagaki, Kazuhisa; Hotta, Yoshihiro; Akihama, Kazuhiro; Inayoshi, Minaji; Sakata, Ichiro, Direct injection type internal combustion engine.
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Willi Martin L. ; Wu Min, Dual fuel engine which ignites a homogeneous mixture of gaseous fuel, air, and pilot fuel.
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Kuzuyama, Hiroshi; Umehara, Tsutomu; Fuyuto, Takayuki; Taki, Masahiro, Fuel injection control apparatus and compression ignition type internal combustion engine.
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Manabu Hasegawa JP, Fuel injection control apparatus for a diesel engine.
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Ranini, Alain; Potteau, Sébastien, Fuel injection control method for an internal-combustion engine and engine using the same.
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Aketa Masahiro,JPX ; Miyazaki Hideya,JPX ; Umeda Yuzo,JPX ; Takemura Yuji,JPX, Fuel injection device for diesel engine.
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Hilditch,James, Fuel injection strategy for reduced cold start emission from direct injection gasoline engines.
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Fiveland, Scott B.; Montgomery, David T., Fuel system for a dual-fuel engine.
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LaPointe, Leon A.; Chenanda, Cariappa M.; Frazier, Tim R.; Hurst, Robert M.; Peters, Lester L.; Pierz, Patrick M.; zur Loye, Axel O., Internal combustion engine operable in PCCI mode with early control injection and method of operation.
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Wright, John F.; Pierz, Patrick M.; zur Loye, Axel O., Internal combustion engine operable in PCCI mode with post-ignition injection and method of operation.
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Le Coent, Jean-Louis; Guellec, Amedee; Spala, Eugene E., Lubricating oil composition containing an alkali metal detergent.
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Ancimer, Richard; Tanin, Konstantin, Method and apparatus for fuel injection into an internal combustion engine.
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Russell P. Zukouski ; Xinqun Gui, Method and apparatus for pre-pilot fuel injection in diesel internal combustion engines.
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Weissman Walter ; Dean Anthony Marion ; Pink Harry Stuard, NO to NO.sub.2 conversion control in a compression injection engine by hydrocarbon injection during the expansion strok.
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Weissman Walter ; Hershkowitz Frank ; Dean Anthony Marion ; Pink Harry Stuard, NO.sub.x reductant generation in a compression-ignition engine by hydrocarbon injection during the expansion stroke.
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Flynn Patrick F. ; Hunter Gary L. ; zur Loye Axel O. ; Akinyemi Omowoleoia C. ; Durrett Russ P. ; Moore Greg A. ; Mudd Jackie M. ; Muntean George G. ; Wagner Julie A. ; Wright John F., Premixed charge compression ignition engine with optimal combustion control.
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Flynn Patrick F. ; Hunter Gary L. ; zur Loye Axel O. ; Akinyemi Omowoleola C. ; Durrett Russ P. ; Moore Greg A. ; Muntean George G. ; Peters Lester L. ; Pierz Patrick M. ; Wagner Julie A. ; Wright Jo, Premixed charge compression ignition engine with optimal combustion control.
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zur Loye Axel O. ; Akinyemi Omowoleola C. ; Durrett Russ P. ; Flynn Patrick F. ; Hunter Gary L. ; Moore Greg A. ; Mudd Jackie M. ; Muntean George G. ; Wagner Julie A. ; Wright John F., Premixed charge compression ignition engine with optimal combustion control.
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zur Loye, Axel O.; Akinyemi, Omowoleoa C.; Durrett, Russ P.; Flynn, Patrick F.; Hunter, Gary L.; Moore, Greg A.; Mudd, Jackie M.; Muntean, George G.; Wagner, Julie A.; Wright, John F., Premixed charge compression ignition engine with optimal combustion control.
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Coleman Gerald N., Staged injection of an emulsified diesel fuel into a combustion chamber of a diesel engine.
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Kurtz, Eric Matthew; Vanderslice, John H., System and method for reducing NO.
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Kurtz, Eric Matthew; Han, Zhiyu; Baker, Richard Eugene, System and method for reducing NOx emissions during transient conditions in a diesel fueled vehicle.
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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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Kobayashi Tatsuo (Susono JPX) Nakamura Norihiko (Mishima JPX) Nomura Kenichi (Mishima JPX) Nomura Hiroshi (Susono JPX) Nihei Hiroaki (Susono JPX) Ohno Eishi (Mishima JPX), Two-stroke engine.
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Staged direct injection diesel engine 원문보기

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Staged direct injection diesel engine 원문보기

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이 특허를 인용한 특허 (26)

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