[특허]Method for enhanced split injection in internal combustion engines

[미국특허] Method for enhanced split injection in internal combustion engines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-037/04
출원번호	US-0629836 (2000-07-31)
발명자 / 주소	Grosmougin Anne-Lise Avery Jr. Richard M.
출원인 / 주소	Detroit Diesel Corporation
대리인 / 주소	Brooks & Kushman P.C.
인용정보	피인용 횟수 : 16 인용 특허 : 23

초록 ▼

A method of controlling fuel delivery in an internal combustion engine includes enabling split injection status without subjection to a temperature comparison while the engine operates in the start mode, and enabling split injection status without subjection to a time limit while the engine operates in the idle normal mode, but with subjection to the temperature comparison in the idle normal mode. In the method, a temperature threshold is established, an engine operating temperature is monitored, the engine operating temperature is compared to the temperature threshold. Further, the engine is operated in the start mode, and at that time, the split injection status is enabled without subjection to the temperature comparison. Thereafter, the engine is operated in the idle normal mode, and at that time, the split injection status is enabled without subjection to a time limit while the engine operates in the idle normal mode and the engine operating temperature falls below the temperature threshold to enhance cold temperature operation. Otherwise, when the operating temperature exceeds the temperature threshold during idle normal mode, the split injection status is disabled.

대표청구항 ▼

[ What is claimed is:] [1.]1. A method of controlling fuel delivery in an internal combustion engine operable in a plurality of operating modes including a start mode and a normal mode, the normal mode including an idle normal mode and a non-idle normal mode, the engine having a split injection status and a fuel injection system configured to perform a split injection wherein a pilot injection event is separated from a main injection event by a delay when the split injection status is enabled, and configured to perform a single injection when the split injection status is disabled, the method comprising:establishing a temperature threshold;monitoring an engine operating temperature;comparing the engine operating temperature to the temperature threshold;operating the engine in the start mode;enabling the split injection status without subjection to the temperature comparison while the engine operates in the start mode;after operating the engine in the start mode, operating the engine in the idle normal mode; andenabling the split injection status without subjection to a time limit while the engine operates in the idle normal mode and the engine operating temperature falls below the temperature threshold to enhance cold temperature engine operation, and otherwise disabling the split injection status while the engine operates in the idle normal mode.

이 특허에 인용된 특허 (23) 인용/피인용 타임라인 분석

Hu Haoran (Farmington CT), Compression release engine brake with selectively reduced engine exhaust noise.
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Lund Bihari (Edison NJ), Detachable lid for a beverage can with a can opening tool.
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Cheng Dah Y. (12950 Cortez La. Los Altos Hills CA 94022), Electro-thermal pulsed fuel injector and system.
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Takeuchi Yasuhiro (Okazaki JPX) Sugimoto Hideo (Kariya JPX) Natsume Tetsushi (Toyohashi JPX) Uono Hideo (Nagoya JPX), Fuel injection control apparatus for internal combustion engine.
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Akazaki Shusuke (Wako JPX) Nishimura Yoichi (Wako JPX), Fuel injection control system for internal combustion engines.
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Ogawa Ken (Wako JPX) Machida Kei (Wako JPX), Fuel injection control system for internal combustion engines.
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Osuka Isao (Nagoya JPX) Sasaki Satoru (Chiryu JPX) Ban Mitsuru (Okazaki JPX) Hayashi Shinnosuke (Okazaki JPX), Fuel injection control system with split fuel injection for diesel engine.
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Maley Dale C. (Fairbury IL) Shinogle Ronald D. (Peoria IL) Sommars Mark F. (Sparland IL) Sturman Oded E. (Newbury Park CA), Fuel injection control valve with dual solenoids.
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Regueiro Jose F. (Rochester Hills MI), Fuel injection system and method for a diesel or stratified charge engine.
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Ishida Akio,JPX, Fuel injection system of an engine and a control method therefor.
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Wessel Wolf (Oberriexingen DEX) Sautter Wilfried (Ditzingen DEX) Engel Gerhard (Stuttgart DEX) Stumpp Gerhard (Stuttgart DEX), Method and apparatus for controlling the operation of a diesel engine.
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Wahl Josef (Stuttgart DEX) Lffler Alf (Markgrningen-Talhausen DEX) Grieshaber Hermann (Aichtal-Aich DEX) Polach Wilhelm (Mglingen DEX) Eblen Ewald (Stuttgart DEX) Tauscher Joachim (Stuttgart DEX) Lau, Method and arrangement for controlling a self-igniting internal combustion engine.
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Weisman ; II S. Miller (Farmington Hills MI) Thomas Eric D. (Canton MI) VanderBok Arnold J. (Novi MI), Method and system for engine control.
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Weisman S. Miller ; Letang Dennis M. ; Babcock Douglas J. ; Vanderbok Arnold J. ; Thomas Eric D., Method and system for engine control.
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Letang Dennis M. (Canton MI) Babcock Douglas J. (South Lyon MI) Weisman ; II S. Miller (Farmington Hills MI), Method for engine control.
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Letang Dennis M. (Canton MI) Babcock Douglas J. (South Lyon MI) Weisman ; II S. Miller (Farmington Hills MI), Method for engine control.
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Weisman ; II S. Miller (34650 Valley Forge Farmington Hills MI 48018) Letang Dennis M. (768 Sorel Dr. Canton MI 48188) Babcock Douglas J. (22176 Brookfield South Lyon MI 48178), Method for engine control.
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Thomas Eric D., Method for enhanced split injection in internal combustion engines.
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Thomas Eric D., Method for enhanced split injection in internal combustion engines.
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Trumbower Michael W. ; Grosmougin Anne-Lise, Method for enhanced split injection in internal combustion engines.
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Romzek Martin Anthony, Method for internal combustion engine start-up.
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Finsterwalder Gerhard (Bergisch-Gladbach DEX) Saftig Jakob (Cologne DEX), Method of operating an air-compressing, self-igniting internal combustion engine.
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Brehob Diana D. (Dearborn MI) Anderson Richard W. (Ann Arbor MI) Yang Jialin (Canton MI) Whiteaker Robert M. (Canton MI), Reduction of cold-start emissions and catalyst warm-up time with direct fuel injection.
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이 특허를 인용한 특허 (16) 인용/피인용 타임라인 분석

Borg,Jonathan; Oho,Shigeru; Hunt,Frank Warren; Miyajima,Ayumu, Cold start fuel control system.
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Kurtz, Eric; Kuhel, Douglas Glen; Wi, Jianwen James; Viglid, Christian Winge, Compensation for oxygenated fuel use in a diesel engine.
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Aoki, Keiichiro, Control system for an exhaust gas sensor.
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Aoki, Keiichiro, Control system for an exhaust gas sensor.
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Aoki, Keiichiro, Control system for an exhaust gas sensor.
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Aoki, Keiichiro, Control system for an exhaust gas sensor.
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Aoki, Keiichiro, Control system for an exhaust gas sensor.
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Storhok, Eric; Curtis, Eric; Xu, Zheng; Yi, Jianwen; Krengal, Eric, Direct injection event-based engine starting.
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Rockwell,Andrew Duncan; Withrow,Michael Paul, Engine and engine control method.
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Borg,Jonathan; Oho,Shigeru; Hunt,Frank Warren; Miyajima,Ayumu, Engine start fuel control system.
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Storhok, Eric; Xu, Zheng; Yi, Jianwen; Surnilla, Gopichandra; Hilditch, Jim, Event-based direct injection engine starting with a variable number of injections.
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Bloms, Jason K.; McGee, Brian G.; Pierpont, David Andrew; Smith, Jeffrey A. L., Fuel allocation at idle or light engine load.
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Rockwell,Andrew D.; Barnes,Travis E.; Jacobson,Evan E.; Schuh,David J., Internal combustion engine start-up operating mode and engine using same.
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Gregory G. Hafner ; Brian G. McGee, Method and apparatus for trimming an internal combustion engine.
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Longnecker, John Edward; Super, Leopold; Avery, Jr., Richard Michael; Lewallen, Brian, Method and system for controlling engine temperature by engine derating.
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Kevin P. Duffy ; Brian G. McGee ; Matthew R. Roth ; Jason J. Rasmussen, Separate injector main timing maps for use with and without pilot.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method for enhanced split injection in internal combustion engines 원문보기