[특허]Method for performing an intake manifold injection

[미국특허] Method for performing an intake manifold injection 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-041/34
출원번호	US-0820751 (2010-06-22)
등록번호	US-8548717 (2013-10-01)
우선권정보	DE-10 2009 028 798 (2009-08-21)
발명자 / 주소	Lang, Axel Samenfink, Wolfgang Kieffer, Sebastien
출원인 / 주소	Robert Bosch GmbH
대리인 / 주소	Kenyon & Kenyon LLP
인용정보	피인용 횟수 : 0 인용 특허 : 17

초록 ▼

A method for performing an intake manifold injection for at least one combustion chamber of an internal combustion engine, at least one intake valve being connected to an intake port, at least one exhaust valve and at least one injector being assigned to at least one combustion chamber, fuel being injected into the at least one intake port by the at least one injector during an injection time, the injection time being started after the closing of the at least one exhaust valve and terminated before the closing of the at least one intake valve for performing the method.

대표청구항 ▼

1. A method for performing an intake manifold injection for at least one combustion chamber of an internal combustion engine, at least one intake valve, which is connected to at least one intake port, at least one exhaust valve and at least one injector being assigned to each combustion chamber, the method comprising: injecting fuel into the at least one intake port during an injection time by the at least one injector;starting the injection time only after a closing of the at least one exhaust valve and only after opening of the at least one intake valve; andterminating the injection time before a closing of the at least one intake valve;wherein a valve overlap is provided for the at least one intake valve and the at least one exhaust valve, the at least one intake valve and the at least one exhaust valve being opened simultaneously during the valve overlap. 2. The method according to claim 1, wherein the injection time is started at the earliest after termination of the valve overlap. 3. The method according to claim 1, wherein the method is performed at an increased steady-state mass flow of the at least one injector, a value of the steady-state mass flow being 50% to 70%. 4. The method according to claim 1, further comprising: varying a pressure of a fuel injection system between about 3 bar to about 9 bar to provide a sufficient amount of fuel during the injection time for generating a required torque. 5. The method according to claim 1, wherein the valve overlap is variable. 6. A system for performing an intake manifold injection for at least one combustion chamber of an internal combustion engine, at least one intake valve, which is connected to at least one intake port, at least one exhaust valve and at least one injector being assigned to each combustion chamber, during an injection time fuel being injected by the at least one injector into the at least one intake port, the system comprising: at least one control unit for controlling a function of the at least one injector, the at least one control unit being designed to: start the injection time only after a closing of the at least one exhaust valve and only after opening of the at least one intake valve; andterminate the injection time before a closing of the at least one intake valve;wherein a valve overlap is provided for the at least one intake valve and the at least one exhaust valve, the at least one intake valve and the at least one exhaust valve being opened simultaneously during the valve overlap. 7. The method according to claim 1, wherein the valve overlap is variable, the method further comprising: varying at least one of a fuel injection pressure and a fuel injection system pressure to provide a sufficient amount of fuel during the injection time for generating a required torque.

이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

Tomisawa Naoki (Atsugi JPX) Sugino Shigemi (Atsugi JPX) Kitayama Toru (Atsugi JPX), Apparatus and method for fuel injection timing control of an internal combustion engine.
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Kaneko, Makoto, Combustion control apparatus for engine.
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Yamaoka, Shiro; Nogi, Toshiharu; Oosuga, Minoru; Shiraishi, Takuya; Nakagawa, Shinji; Kihara, Yuusuke, Compression ignition internal combustion engine.
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Sukegawa, Yoshihiro; Fujii, Hiroshi, Control method of direct injection engine, controller for implementing the control method, and control circuit device used for the controller.
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Brehob,Diana, Direct injection alcohol engine with variable injection timing.
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Imajo Minoru (Kanagawa JPX), Engine fuel injector.
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Nogi Toshiharu (Katsuta MI JPX) Yamauchi Teruo (Farmington Hills MI) Ohyama Yoshishige (Katsuta JPX), Fuel injection control apparatus.
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Nozawa Masaei,JPX ; Isomura Sigenori,JPX ; Sawada Yukio,JPX ; Isobe Daiji,JPX, Fuel injection control for internal combustion engine.
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Kraemer Manfred (Schwieberdingen DEX), Fuel injection pump.
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Nagao Akihito (Hiroshima JPX) Yoshioka Sadashichi (Hiroshima JPX) Oda Hiroyuki (Hiroshima JPX) Tokushima Takashige (Hiroshima JPX), Fuel injection system for internal combustion engine.
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Yamashita Akinori (Hiroshima JPX) Hataoka Kenji (Hiroshima JPX) Hashimoto Noboru (Hiroshima JPX) Misumi Masanori (Hiroshima JPX), Fuel injection system for internal combustion engine.
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Janach Walter,CHX, Method and device for forming a turbulent fuel-air mixture in the combustion chamber of each cylinder of an internal combustion engine controlled with valve timing.
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Gibson, Alexander O'Connor; Kolmanovsky, Ilya Vladimir; Michelini, John Ottavio; Song, Gang, Method for controlling air-fuel ratio for an alternating valve engine.
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Andreas Hertzberg DE; Klaus Rossler DE; Guido Vent DE, Method for operating a spark ignition engine with direct fuel injection.
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Sugo Yuko (Yokosuka JPX) Yamamoto Tadahiro (Yokosuka JPX) Arai Motomi (Yokosuka JPX) Saito Masaaki (Yokosuka JPX), Method of operating a single spot fuel injected internal combustion engine and apparatus for same.
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Bergmann Horst (Esslingen DEX) Bauerle Emil (Esslingen DEX), Solenoid-valve-controlled fuel injection device, for an air-compressing internal combustion engine.
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Cunningham, Ralph Wayne; Hoare, Graham; Shelby, Michael Howard; Surnilla, Gopichandra, System and method for boosted direct injection engine.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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[미국특허] Method for performing an intake manifold injection 원문보기

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