[특허]Method and a device for engine braking a four stroke internal combustion engine

Method and a device for engine braking a four stroke internal combustion engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01L-013/06 F02D-013/04
출원번호	US-0752461 (1991-09-13)
우선권정보	SE-0000517 (1989-02-15)
국제출원번호	PCT/SE90/00102 (1990-02-15)
§371/§102 date	19910913 (19910913)
국제공개번호	WO-9009514 (1990-08-23)
발명자 / 주소	Gobert Ulrich (Hisings-Krra SEX) Danielsson Ola (Vstra Frlunda SEX)
출원인 / 주소	AB Volvo (Gothenburg SEX 03)
인용정보	피인용 횟수 : 44 인용 특허 : 0

초록 ▼

The invention relates to a method and an arrangement for engine braking a four-stroke internal combustion engine. The engine has for each cylinder (2) at least one inlet valve (7) and at least one exhaust valve (9) for controlling communication between a combustion chamber (5) in the cylinder (2) and an inlet system (8) and an exhaust system (10) respectively. In accordance with the invention, the arrangement also establishes communication between the combustion chamber (5) and the exhaust system (10) in conjunction with the exhaust stroke and also when the piston (3) is located in the proximity of its bottom-dead-center position after the inlet stroke and during the latter part of the compression stroke and during at least part of the expansion stroke. Communication of the combustion chamber (5) with the exhaust system (10) is effected upstream of a throttling device (13) provided in the exhaust system, this throttling device being operative to throttle at least a part of the flow through the exhaust system (10) during an engine braking operation, therewith to increase the pressure upstream of the throttling device (13).

대표청구항 ▼

A method for engine braking with a four-stroke internal combustion engine, said engine having for each cylinder (2) at least one inlet valve (7) and at least one exhaust valve (9) for controlling communication between a combustion chamber (5) in the cylinder (2) and an inlet system (8) and an exhaust system (10) respectively, characterized by opening a communication between the combustion chamber (5) and the exhaust system (10) when the piston (3) is located in the proximity of its bottom-dead-centre position subsequent to the inlet stroke, by closing said communication when the piston (3) has performed less than half the compression stroke and holding the communication closed during part of the compression stroke, by opening said communication when the piston (3) has performed more that half the compression stroke, and by holding said communication open during the remaining part of the compression stroke and during at least a part of the expansion stroke, said communication of the combustion chamber (5) with the exhaust system (10) being effected upstream of a throttling device (13) mounted in the exhaust system and for engine braking being actuated to throttle at least a part of the flow through the exhaust system (10) and therewith cause an increase in pressure upstream of said throttling device (13).

이 특허를 인용한 특허 (44)

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Israel Mark ; Vorih Joseph M., Applied lost motion for optimization of fixed timed engine brake system.
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Cosma Gheorghe (Windsor CT) Usko James (North Granby CT), Camless engines with compression release braking.
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Reedy Steven W. (Nashville IN) Vittorio David A. (Columbus IN), Dedicated rocker lever and cam assembly for a compression braking system.
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Faletti James J., Double-lift exhaust pulse boosted engine compression braking method.
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Cornell, Sean O.; Leman, Scott A.; Funke, Steven J., Electronic control of engine braking cycle.
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Hu Haoran ; Konopka John A., Electronic controls for compression release engine brakes.
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Bartel John B. ; Schmidt Joseph H. ; Zsoldos Jeffrey S., Engine exhaust brake having a single valve actuation.
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Vittorio David A. (Columbus IN), Engine retarder cycle.
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Faletti James J. ; Hackett David E., Exhaust pulse boosted engine compression braking method.
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Yang, Zhou; Ke, Enjiu; Xi, Yong, Fixed chain type engine braking device.
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Vorih Joseph M. ; Israel Mark A., Integrated lost motion system for retarding and EGR.
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Hu Haoran, Internal combustion engine with combined cam and electro-hydraulic engine valve control.
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McCarthy, Donald J.; Pruden, Samuel H., Latched reset mechanism for engine brake.
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Richard Vanderpoel, Lost motion rocker arm system with integrated compression brake.
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Vorih Joseph M. ; Egan ; III James F., Lost motion valve actuation system.
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Sean O. Cornell ; Ronald D. Shinogle ; Scott A. Leman, Method and a device for engine braking a four stroke internal combustion engine.
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Zsoldos, Jeffrey S.; Kim, Charlie C.; Meacock, William A., Method and apparatus for combining exhaust gas recirculation and engine exhaust braking using single valve actuation.
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Robb Janak ; Stephen Lak ; Michael Bergmann, Method and apparatus for hydraulic clip and reset of engine brake systems utilizing lost motion.
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Meistrick Zdenek ; Pitzi Vincent, Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine.
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Meistrick Zdenek, Method and apparatus to accomplish exhaust gas recirculation and/or engine braking to overhead cam internal combustion engines.
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Pekar Frank J., Method and device for a supercharged engine brake.
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Olsson,Goran; Persson,Per; Kallen,Per Olof, Method for braking with an internal combustion engine having a variable turbo unit.
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Persson,Per, Method for the regeneration of a particle filter, and a vehicle in which such a method is utilized.
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Schmidt Erwin,DEX ; Sumser Siegfried,DEX, Method of adjusting the engine braking performance of a supercharged internal-combustion engine.
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Cosma Gheorghe ; Usko James, Multi-cycle, engine braking with positive power valve actuation control system and process for using the same.
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Cosma,Gheorghe; Usko,James, Multi-cycle, engine braking with positive power valve actuation control system and process for using the same.
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Mickiewicz, Matthew G.; Funke, Steven J., Reduced noise engine compression release braking.
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Vorih Joseph ; Hu Haoran, System and method for controlling the amount of lost motion between an engine valve and a valve actuation means.
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Yang, Zhou; Janak, Robb; Fuchs, Neil, System and method of gas recirculation in an internal combustion engine.
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Erwin Schmidt DE; Siegfried Sumser DE, Turbocharged engine having engine compression braking control.
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Janak, Robb; Fuchs, Neil, Use of external exhaust gas recirculation ("EGR") to improve compression release braking and method for EGR valve and system cleaning.
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Vincent A. Meneely CA; Robert B. Price, Valve control apparatus with reset.
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Vorih, Joesph M.; Mossberg, Jeffrey; Vanderpoel, Richard; Ernest, Steven; Paterson, Guy; Schwoerer, John A.; Leitkowski, Edward T.; Brzoska, Andrew; Cosma, Gheorghe, Variable lost motion valve actuator and method.
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Vorih, Joseph M.; Mossberg, Jeffrey; Vanderpoel, Richard; Ernest, Steven; Paterson, Guy; Schwoerer, John A.; Leitkowski, Edward T.; Brzoska, Andrew; Cosma, Gheorghe, Variable lost motion valve actuator and method.
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