[특허]Optimized lambda and compression temperature control for compression ignition engines

[미국특허] Optimized lambda and compression temperature control for compression ignition engines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-029/04
출원번호	US-0924969 (2001-08-08)
발명자 / 주소	Niel Lenannes Beck Kresimir Gebert Hoi Ching Wong
출원인 / 주소	Servoject Products International
대리인 / 주소	Boyle Fredrickson Newholm Stein & Gratz S.C.
인용정보	피인용 횟수 : 28 인용 특허 : 2

초록 ▼

The performance of a compression ignition internal combustion engine is improved by optimizing excess air ratio (lambda) and/or intake air charge temperature (ACT) on a full time, fall range basis. The basic procedure is to first determine the desired or optimum lambda and then to control ACT and intake manifold absolute pressure (MAP) to maintain them at the optimum values for the fuel quantity required at a particular operating point. This approach allows control of both temperature and pressure of the air entering the engine. Full range control requires that lambda and ACT be controlled both upward and downward to achieve optimal engine performance. Control of both lambda and ACT is further enhanced through the use of a supercharger with adjustable input power installed in series with a standard turbocharger compressor of the engine. Supercharger control may if desired be supplemented with turbo air bypass (TAB) control, turbocharger variable area nozzle or wastegate, turboexpander control, and intake and exhaust valve control including skip fire of both fuel and air. The essence of optimized lambda control is to measure the physical properties of the working fluid in the intake manifold, exhaust manifold, or both, compute the actual value of lambda, and compare that actual value with an optimum value for the prevailing engine operating conditions. This comparison yields an error signal which is then used to control the magnitude of the required adjustment in turbocharger pressure or other engine operating parameter.

대표청구항 ▼

1. A method of optimizing compression ignition engine, comprising:(A) monitoring operation of said engine; and (B) optimizing compression temperature through the closed loop adjustment of cylinder valve operation timing, using a parameter indicative of compression temperature as a feedback parameter

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

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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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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이 특허를 인용한 특허 (28) 인용/피인용 타임라인 분석

Weber,James R.; Leman,Scott A.; Coleman,Gerald N.; Duffy,Kevin P.; Fluga,Eric C.; Kilkenny,Jonathan P.; Afjeh,Homa, Air and fuel supply system for a combustion engine.
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Coleman,Gerald N.; Duffy,Kevin P.; Faulkner,Stephen A.; Fluga,Eric C.; Kilkenny,Jonathan P.; Leman,Scott A.; Opris,Cornelius N.; Verkiel,Maarten; Weber,James R., Air and fuel supply system for combustion engine.
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Weber,James Richard; Leman,Scott A., Air and fuel supply system for combustion engine.
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Lewallen, Brian Andrew, Charged air intake system for an internal combustion engine.
상세보기
Weber,James R.; Leman,Scott A.; Coleman,Gerald N.; Duffy,Kevin P.; Fluga,Eric C.; Kilkenny,Jonathan P., Combustion engine including cam phase-shifting.
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Weber,James R.; Leman,Scott A.; Coleman,Gerald N.; Duffy,Kevin P.; Fluga,Eric C.; Kilkenny,Jonathan P.; Pierpoint,David A., Combustion engine including fluidically-driven engine valve actuator.
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Barta, Jason; Hampson, Gregory James; Carlson, Jeffrey, Combustion pressure feedback based engine control with variable resolution sampling windows.
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Sivasubramanian, Arvind; Gallmeyer, Christopher F.; Lin, David James, Control strategy for dual gaseous and liquid fuel internal combustion engine.
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Breitbach, Thomas; Friedel, Achim, Diagnostic method and device for controlling an internal combustion engine.
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Kilkenny, Jonathan Patrick; Duffy, Kevin Patrick, Engine cylinder temperature control.
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Fluga, Eric; Heston, Donald W.; Kruiswyk, Richard; Crosby, Daniel W.; Hoff, Brian, Engine system, operating method and control strategy for aftertreatment thermal management.
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Eser, Gerhard; Zhang, Hong, Internal combustion engine and method for controlling a supercharged internal combustion engine.
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Bryant, Clyde C., Internal combustion engine and working cycle.
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Bryant,Clyde C., Internal combustion engine and working cycle.
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Bryant,Clyde C., Internal combustion engine and working cycle.
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Kirk, William H., Internal combustion engine cycle.
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Coleman,Gerald N.; Kilkenny,Jonathan P.; Fluga,Eric C.; Duffy,Kevin P., Low emissions compression ignited engine technology.
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Flohr, Andreas; Geller, Andreas; Bernhard, Alexander, Method and device for operating an internal combustion engine.
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Wild, Ernst; Wegener, Sabine; Hild, Rainer, Method and device for operating at least one turbocharger on an internal combustion engine.
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Wade, Robert Andrew; Naddaf, Fadi Maroun; Whitehead, Joseph P.; Devries, Jason Eugene, Method and system for reducing turbocharger noise during cold start.
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Haft, Gerhard; Rodatz, Paul, Method for regulating an air/fuel ratio and method for recognizing a fuel quality.
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Baldwin, Darryl Dean; Boyer, Gary Nelson; Boley, William Christopher; Hiltner, Joel D., Natural gas compression system.
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Lemke,James U., Opposed piston, homogeneous charge pilot ignition engine.
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Bevan, Karen E.; Ouwenga, Daniel Robert, Supercharger with continuously variable drive system.
상세보기
Ouwenga, Daniel Robert; Bevan, Karen E., Supercharger with continuously variable drive system.
상세보기
Ouwenga, Daniel Robert; Bevan, Karen E., Supercharger with continuously variable drive system.
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Younkins, Matthew A.; Subramanian, Ram; Breton, Leo, System for managing catalytic converter temperature.
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Cippitani, Luciano, System for supply of LPG, methane, ammonia, and gas in general for petrol or diesel engines with electronic pressure regulator for continuous variation of the pressure of the fuel supplied to the injectors.
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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

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[미국특허] Optimized lambda and compression temperature control for compression ignition engines 원문보기