公开(公告)号：US20050050880A1

公开(公告)日：2005-03-10

申请号：US10656976

申请日：2003-09-05

申请人： Ramesh Poola ,  Paul Gottemoller ,  Michael Goetzke

发明人： Ramesh Poola ,  Paul Gottemoller ,  Michael Goetzke

IPC分类号： F02D13/02 ,  F02M25/07 ,  F01N3/00 ,  F01N3/10

CPC分类号： F02D13/0273 ,  F01L1/08 ,  F01L1/146 ,  F01L1/181 ,  F01L2105/00 ,  F01L2800/10 ,  F01L2820/01 ,  F02D13/0226 ,  F02M26/01 ,  Y02T10/18

摘要： A diesel engine intake cam profile creates two intake valve events separated by a short dwell period each engine cycle. A relatively low valve lift during an engine exhaust event allows a portion of the exhaust gas to flow into an intake manifold and mix with intake air. The intake valve is then nearly closed for a dwell period until a normal intake valve opening occurs, drawing the mixture of air and exhaust gas back into the combustion chamber for compression and burning, upon closure of the intake valves.

公开(公告)号：US20050000499A1

公开(公告)日：2005-01-06

申请号：US10816828

申请日：2004-04-05

申请人： Brian Ruggiero ,  Zhou Yang ,  Shengqiang Huang

发明人： Brian Ruggiero ,  Zhou Yang ,  Shengqiang Huang

IPC分类号： F01L1/08 ,  F01L1/34 ,  F01L13/06 ,  F02D13/02 ,  F02D41/00 ,  F02M25/07

CPC分类号： F02D13/0273 ,  F01L1/08 ,  F01L1/267 ,  F01L9/02 ,  F01L13/06 ,  F01L13/065 ,  F01L2800/00 ,  F02D13/0242 ,  F02D13/0253 ,  F02D13/0261 ,  F02D13/0265 ,  F02D41/006 ,  F02D2041/001 ,  F02M26/01 ,  F02M26/42 ,  Y02T10/18

摘要： Devices for modifying engine valve lift during an engine valve event are disclosed. In one embodiment, the device comprises: a housing having a hydraulic fluid dump port formed therein; a sleeve slidably disposed in a bore formed in the housing, the sleeve having a cavity formed therein; a piston slidably disposed in the sleeve cavity; and a clip passage formed in the piston, the clip passage in selective communication with the dump port.

公开(公告)号：US20050000485A1

公开(公告)日：2005-01-06

申请号：US10611366

申请日：2003-07-01

申请人： Tang-Wei Kuo ,  Barry Brown ,  Paul Najt

发明人： Tang-Wei Kuo ,  Barry Brown ,  Paul Najt

IPC分类号： F02B3/12 ,  F02D41/30 ,  F02D41/40

CPC分类号： F02D13/0242 ,  F02D13/0273 ,  F02D35/023 ,  F02D41/3035 ,  F02D41/3047 ,  F02D41/401 ,  F02D41/402 ,  F02D2041/001 ,  Y02T10/18 ,  Y02T10/44

摘要： Low load operating point for a direct-injection controlled auto-ignition four-stroke internal combustion engine is reduced without compromising combustion stability through a split-injection control operative to introduce a first fuel fraction, air and exhaust gases into the combustion chamber during an intake event and a second fuel fraction into the combustion chamber during a compression event.

摘要翻译： 用于直喷式控制自点火四冲程内燃机的低负载工作点通过分流喷射控制而不损害燃烧稳定性而被降低，分离喷射控制在进气期间将第一燃料部分，空气和废气引入燃烧室 事件和在压缩事件期间进入燃烧室的第二燃料部分。

公开(公告)号：US06823661B2

公开(公告)日：2004-11-30

申请号：US10333634

申请日：2003-01-23

申请人： Toshitaka Minami

发明人： Toshitaka Minami

IPC分类号： F01N300

CPC分类号： F01N13/02 ,  F01L1/34 ,  F01L9/04 ,  F01N3/023 ,  F01N3/0231 ,  F01N3/0235 ,  F01N3/035 ,  F01N2260/14 ,  F01N2430/10 ,  F02D13/0261 ,  F02D13/0273 ,  F02D41/029 ,  F02D41/1446 ,  F02D2041/001 ,  F02D2041/0022 ,  F02D2200/0404 ,  Y02T10/18

摘要： A device for purifying exhaust gas of a diesel engine equipped with a continuous regeneration type diesel particulate filter arranged in the exhaust gas passage of the engine. The device includes an intake air shutter arranged in the intake air passage of the engine, an exhaust gas temperature region detector for detecting an exhaust gas temperature region of the engine, a controller for controlling the opening degree of the intake air shutter when the exhaust gas temperature region of the engine, detected by the exhaust gas temperature region detector, is lower than a predetermined temperature region, and an exhaust valve-operating mechanism equipped with an exhaust gas introduction mechanism for opening the exhaust valve of the engine for a short period of time during the intake stroke of a cylinder of the diesel engine, to introduce exhaust gas into the cylinder.

摘要翻译： 一种用于净化排放在发动机的废气通道中的连续再生型柴油机微粒过滤器的柴油机废气的装置。 该装置包括设置在发动机的进气通道中的进气门，用于检测发动机的排气温度区域的排气温度区域检测器，用于控制排气的排气的开度的控制器 由排气温度区域检测器检测到的发动机的温度区域低于预定温度区域，以及具有用于短时间打开发动机的排气阀的排气导入机构的排气门动作机构 在柴油发动机的气缸的进气冲程期间的时间，以将废气引入气缸。

公开(公告)号：US06807956B2

公开(公告)日：2004-10-26

申请号：US10257191

申请日：2003-02-28

申请人： Hermann Gaessler ,  Udo Diehl ,  Karsten Mischker ,  Rainer Walter ,  Bernd Rosenau ,  Juergen Schiemann ,  Christian Grosse ,  Volker Beuche ,  Stefan Reimer

发明人： Hermann Gaessler ,  Udo Diehl ,  Karsten Mischker ,  Rainer Walter ,  Bernd Rosenau ,  Juergen Schiemann ,  Christian Grosse ,  Volker Beuche ,  Stefan Reimer

IPC分类号： F02M2507

CPC分类号： F02D13/0207 ,  F02D13/0253 ,  F02D13/0261 ,  F02D13/0273 ,  F02D2013/0292 ,  F02M26/01 ,  Y02T10/18

摘要： A method for cylinder-charge control is described as implementing an internal recirculation of residual gas in the cylinder, through controlling the closing times of at least one exhaust valve of the respective cylinder and by opening at least one intake valve in the vicinity of top dead center of the piston, along with intermittent discharge of residual gas in front of the at least one intake valve. Within one charge-exchange process in the cylinder, in at least two phases that are offset in time from one another, at least one intake valve is opened. This method optimizes the engine operation in the warm-up phase from the standpoint of consumption, pollutant emission and running smoothness.

摘要翻译： 描述了一种用于汽缸充电控制的方法，通过控制气缸中至少一个排气阀的关闭时间，并通过打开上死点附近的至少一个进气阀来实现汽缸内残留气体的内部再循环 活塞的中心，以及在至少一个进气门的前面间歇地排出残留气体。 在气缸中的一个充电交换过程中，在至少两个相位彼此偏移的相中，至少一个进气阀打开。 从消费，污染物排放和运行平稳性的观点来看，该方法优化了暖机阶段的发动机运行。

公开(公告)号：US20040187842A1

公开(公告)日：2004-09-30

申请号：US10739098

申请日：2003-12-19

发明人： Zhou Yang

IPC分类号： F02D013/04

CPC分类号： F02D13/0207 ,  F01L1/08 ,  F01L1/181 ,  F01L1/267 ,  F01L1/34 ,  F01L9/02 ,  F01L9/021 ,  F01L9/04 ,  F01L13/06 ,  F01L13/065 ,  F01L2001/34446 ,  F01L2105/00 ,  F01L2760/004 ,  F01L2800/00 ,  F02B3/06 ,  F02D9/06 ,  F02D13/0246 ,  F02D13/0273 ,  F02D13/04 ,  F02D23/00 ,  F02M26/01 ,  F02M26/13

摘要： Methods and apparatus for providing bleeder-type and compression-release engine braking in an internal combustion engine are disclosed. For bleeder-type engine braking, the exhaust valve is maintained at a small and relatively constant lift throughout all or much of the engine cycle. The engine braking may be combined with exhaust gas recirculation, variable exhaust brake, and/or operation of a variable geometry turbocharger.

摘要翻译： 公开了一种用于在内燃机中提供泄放型和压缩释放发动机制动的方法和装置。 对于排气式发动机制动，排气门在整个发动机循环的整个或大部分时间内维持在小而相对恒定的升程。 发动机制动可以与废气再循环，可变排气制动器和/或可变几何涡轮增压器的操作相结合。

公开(公告)号：US06761147B2

公开(公告)日：2004-07-13

申请号：US09977942

申请日：2001-10-17

申请人： Yoshihiro Majima

发明人： Yoshihiro Majima

IPC分类号： F02D1302

CPC分类号： F02D13/0219 ,  F01L1/34 ,  F01L9/04 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2800/00 ,  F02D13/0226 ,  F02D13/0253 ,  F02D13/0261 ,  F02D13/0269 ,  F02D13/0273 ,  F02D41/0002 ,  F02D41/042 ,  F02D41/047 ,  F02D41/064 ,  F02D2013/0292 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/0404 ,  F02D2200/0606 ,  Y02T10/142 ,  Y02T10/18 ,  Y02T10/42

摘要： Processing conditions are determined on the basis of an operation range. After IG-OFF, an intake valve opening timing is advanced to 20° CA BTDC, and an exhaust valve closing timing is retarded to 20° CA ATDC. By controlling the intake and exhaust valve timings as described above, it is possible to reduce the fuel sticking to the intake passage. Particularly in the case of cold engine starting before activation of the catalyst, it is possible to prevent direct exhaust of HC emissions and accordingly to reduce emissions because of the decreased amount of fuel sticking to the intake passage.

摘要翻译： 处理条件基于操作范围确定。 在IG-OFF之后，进气门打开正时提前到20°CA BTDC，排气门关闭正时延迟到20°CA ATDC。 通过如上所述控制进气门和排气门正时，可以减少燃料粘在进气道上。 特别是在催化剂活化前冷起动器的情况下，可以防止HC排放物的直接排放，并且因此能够减少排放量，因为燃料的量滞留在进气通道上。

公开(公告)号：US06718755B2

公开(公告)日：2004-04-13

申请号：US09682956

申请日：2001-11-02

申请人： Diana D. Brehob

发明人： Diana D. Brehob

IPC分类号： F01N300

CPC分类号： F02D13/0242 ,  F01L1/34 ,  F01L9/04 ,  F01N3/22 ,  F02B1/12 ,  F02D13/0253 ,  F02D13/0273 ,  F02D41/025 ,  F02D2013/0292 ,  F02D2041/001 ,  Y02T10/18 ,  Y02T10/26

摘要： A system and method are disclosed for operating an internal combustion to provide a temperature rise in an exhaust aftertreatment device. An exhaust valve is actuated during a compression stroke to release unburned fuel and air. The fuel oxidizes with the air in the exhaust aftertreatment device causing an exotherm. The opening and closing time of the exhaust valve are determined to cause the desired amount of fuel and air to be released into the exhaust aftertreatment device.

摘要翻译： 公开了用于操作内燃以在排气后处理装置中提供温度升高的系统和方法。 在压缩冲程期间致动排气阀以释放未燃烧的燃料和空气。 燃料随着排气后处理装置中的空气氧化而引起放热。 确定排气门的打开和关闭时间以使所需量的燃料和空气释放到排气后处理装置中。

公开(公告)号：US06637404B2

公开(公告)日：2003-10-28

申请号：US10252576

申请日：2002-09-24

申请人： Alois Fuerhapter ,  Eduard Unger

发明人： Alois Fuerhapter ,  Eduard Unger

IPC分类号： F02B3100

CPC分类号： F02D13/0215 ,  F01L1/34 ,  F02B1/12 ,  F02B77/085 ,  F02D13/0234 ,  F02D13/0261 ,  F02D13/0273 ,  F02D35/028 ,  F02D41/3035 ,  F02D41/3041 ,  F02D2041/001 ,  F02D2041/0015 ,  F02M26/01 ,  Y02T10/128 ,  Y02T10/18

摘要： The invention relates to a method for controlling the operation of an internal combustion engine that is operated, in at least one operational range, with a homogeneous charge compression ignition mode, combustion history being monitored and evaluated by measuring at least one parameter relevant to combustion selected from the group comprising the start of combustion, the duration of combustion and the rate of combustion, and at least one parameter relevant to combustion being controlled, for subsequent combustion events, on account of the evaluation of the combustion. In order to stabilize combustion in the homogeneous charge compression ignition mode of operation in the easiest possible way, the inventors propose to vary the level of turbulence in the combustion chamber for the purpose of controlling combustion, the level of turbulence being temporarily raised to stabilize combustion.

公开(公告)号：US20030145810A1

公开(公告)日：2003-08-07

申请号：US10067050

申请日：2002-02-04

发明人： Scott A. Leman ,  David Andrew Pierpont

IPC分类号： F01L009/02

CPC分类号： F02D13/0273 ,  F01L9/02 ,  F01L13/0015 ,  F01L2820/01 ,  F02B2275/32 ,  F02D13/0226 ,  F02D13/0246 ,  F02D13/0253 ,  F02D13/0269 ,  Y02T10/142

摘要： An engine valve actuator providing Miller cycle benefits and a method of operating an engine valve actuator are disclosed. The valve actuator employs a first force to hold an exhaust valve of the engine open during an exhaust stroke and a second, stronger force to hold the exhaust valve open during a compression stroke. The valve actuator may be operated using pressurized fluid adapted to extend an actuator piston through a cylinder. The first force may be derived by a mechanically driven actuator, while the second force may be derived from a high pressure rail of the engine. A low pressure source of the engine may be used to fill the actuator cylinder, with the high pressure rail only being placed into fluid communication with the cylinder when desired. A control valve may be employed to direct either the low pressure or high pressure fluid to the valve actuator cylinder.

摘要翻译： 公开了一种提供米勒循环优点的发动机气门执行机构和一种操作发动机气门执行机构的方法。 阀致动器采用第一力以在排气冲程期间保持发动机的排气阀打开，并且在压缩冲程期间施加第二较强的力以保持排气阀打开。 阀致动器可以使用适于将致动器活塞延伸穿过气缸的加压流体来操作。 第一力可以由机械驱动的致动器导出，而第二力可以来自发动机的高压轨。 可以使用发动机的低压源来填充致动器气缸，只要在需要时高压轨仅与气缸成流体连通。 可以使用控制阀来将低压或高压流体引导到阀致动器气缸。