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1. 发明申请

US20140366528A1 COORDINATING VARIABLE VALVE ACTUATION AND TURBOCHARGER OPERATION IN AN INTERNAL COMBUSTION ENGINE 有权
标题翻译：在内燃机中协调可变阀门执行和涡轮增压器运行
公开(公告)号：US20140366528A1
公开(公告)日：2014-12-18
申请号：US14372163
申请日：2012-01-17
申请人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius
发明人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius
IPC分类号： F02M25/07 , F02B37/16 , F02B37/18 , F02B37/013
CPC分类号： F02M26/08 , F01L9/021 , F02B37/00 , F02B37/013 , F02B37/16 , F02B37/18 , F02B39/16 , F02D13/0207 , F02D21/08 , F02D23/00 , F02M26/10 , Y02T10/144 , Y02T10/18
摘要： An engine control system coordinates control of a pressure regulating mechanism associated with a turbocharger turbine and control of a variable valve actuating (VVA) mechanism for expanding the range of possible exhaust gas recirculation rates over a large portion of an engine operating map to provide EGR rates which are greater than typical present-day levels while mitigating engine pumping losses by causing the turbocharger to operate with better efficiency in some regions of the map where it otherwise would not. Turbocharger efficiency is improved by controlling the VVA mechanism to set the timing of operation of its respective cylinder valves in accordance with a predetermined correlation of operating efficiencies of a compressor to timing of operation of respective engine cylinder valves, causing the compressor to operate at points of better efficiency than it otherwise would without use of VVA.
摘要翻译：发动机控制系统协调与涡轮增压器涡轮机相关联的压力调节机构的控制，以及控制可变气门致动（VVA）机构，用于在发动机工作图的大部分上扩大可能的废气再循环速率的范围，以提供EGR率这比当前的典型水平大，同时通过使涡轮增压器在地图的某些区域更好的运行，从而减轻发动机泵送损失，否则将不会。通过控制VVA机构，根据压缩机的运行效率与各个发动机气缸阀的运行时间的预定相关性来设定VVA机构来设定其各个气缸阀的运转时间，从而提高涡轮增压器效率，使得压缩机在比没有使用VVA更好的效率。

2. 发明授权

US09587590B2 Coordinating variable valve actuation and turbocharger operation in an internal combustion engine 有权
标题翻译：在内燃机中协调可变气门致动和涡轮增压器操作
公开(公告)号：US09587590B2
公开(公告)日：2017-03-07
申请号：US14372163
申请日：2012-01-17
申请人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius
发明人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius
IPC分类号： F02M25/07 , F01L9/02 , F02B37/00 , F02B39/16 , F02D13/02 , F02D21/08 , F02D23/00 , F02B37/013 , F02B37/16 , F02B37/18
CPC分类号： F02M26/08 , F01L9/021 , F02B37/00 , F02B37/013 , F02B37/16 , F02B37/18 , F02B39/16 , F02D13/0207 , F02D21/08 , F02D23/00 , F02M26/10 , Y02T10/144 , Y02T10/18
摘要： An engine control system coordinates control of a pressure regulating mechanism associated with a turbocharger turbine and control of a variable valve actuating (VVA) mechanism for expanding the range of possible exhaust gas recirculation rates over a large portion of an engine operating map to provide EGR rates which are greater than typical present-day levels while mitigating engine pumping losses by causing the turbocharger to operate with better efficiency in some regions of the map where it otherwise would not. Turbocharger efficiency is improved by controlling the VVA mechanism to set the timing of operation of its respective cylinder valves in accordance with a predetermined correlation of operating efficiencies of a compressor to timing of operation of respective engine cylinder valves, causing the compressor to operate at points of better efficiency than it otherwise would without use of VVA.
摘要翻译：发动机控制系统协调与涡轮增压器涡轮机相关联的压力调节机构的控制和可变气门致动（VVA）机构的控制，用于在发动机工作图的大部分上扩大可能的废气再循环速率的范围以提供EGR率这比当前的典型水平大，同时通过使涡轮增压器在地图的某些区域更好的运行，从而减轻发动机泵送损失，否则将不会。通过控制VVA机构，根据压缩机的运行效率与各个发动机气缸阀的运行时间的预定相关性来设定VVA机构以设定其各个气缸阀的运转时间，从而提高涡轮增压器效率，使压缩机在比没有使用VVA更好的效率。

3. 发明申请

US20140196698A1 VVA CONTROL OF NOx IN A LOW AP AREA OF AN ENGINE OPERATING MAP 有权
标题翻译：在发动机操作地图的低AP区域的NOx的VVA控制
公开(公告)号：US20140196698A1
公开(公告)日：2014-07-17
申请号：US14240439
申请日：2011-08-22
申请人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius , Luis Carlos Cattani
发明人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius , Luis Carlos Cattani
IPC分类号： F02D41/30
CPC分类号： F02D41/30 , F01N3/0842 , F02B29/0406 , F02B47/08 , F02D13/0203 , F02M26/05 , F02M26/23 , Y02T10/121 , Y02T10/18
摘要： When the difference by which pressure in an engine exhaust manifold exceeds pressure in an engine intake manifold becomes less than a selected difference while an intake valve operating mechanism is closing cylinder intake valves at a selected time in the engine cycle, while an EGR system is conveying the engine exhaust component of an air/exhaust mixture from an exhaust system to an intake system, and a certain quantity of NOx is present in engine exhaust entering the exhaust manifold, the quantity of NOx present in engine exhaust entering the exhaust manifold is reduced below that certain quantity by causing the intake valve operating mechanism to close the cylinder intake valves earlier in the engine cycle than the selected time.
摘要翻译：当发动机排气歧管中的压力超过发动机进气歧管中的压力的差异变得小于所选择的差异，而在发动机循环中的选定时间，当进气门操作机构关闭气缸进气门时，在EGR系统输送从排气系统到进气系统的空气/排气混合物的发动机排气部件和进入排气歧管的发动机排气中存在一定量的NOx，进入排气歧管的发动机排气中存在的NOx量降低到通过使进气门操作机构在发动机循环中比所选择的时间更早地关闭气缸进气门来确定一定量。

4. 发明授权

US09206759B2 VVA control of NOx in a low ΔP area of an engine operating map 有权
标题翻译：发动机运行图低D＆P区域的NOx的VVA控制
公开(公告)号：US09206759B2
公开(公告)日：2015-12-08
申请号：US14240439
申请日：2011-08-22
申请人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius , Luis Carlos Cattani
发明人： Laura M. Ricart-Ugaz , Qianfan Xin , Daniel Cornelius , Luis Carlos Cattani
IPC分类号： F02D41/30 , F01N3/08 , F02B47/08 , F02M25/07 , F02D13/02 , F02B29/04
CPC分类号： F02D41/30 , F01N3/0842 , F02B29/0406 , F02B47/08 , F02D13/0203 , F02M26/05 , F02M26/23 , Y02T10/121 , Y02T10/18
摘要： When the difference by which pressure in an engine exhaust manifold exceeds pressure in an engine intake manifold becomes less than a selected difference while an intake valve operating mechanism is closing cylinder intake valves at a selected time in the engine cycle, while an EGR system is conveying the engine exhaust component of an air/exhaust mixture from an exhaust system to an intake system, and a certain quantity of NOx is present in engine exhaust entering the exhaust manifold, the quantity of NOx present in engine exhaust entering the exhaust manifold is reduced below that certain quantity by causing the intake valve operating mechanism to close the cylinder intake valves earlier in the engine cycle than the selected time.
摘要翻译：当发动机排气歧管中的压力超过发动机进气歧管中的压力的差异变得小于所选择的差异，而在发动机循环中的选定时间，当进气门操作机构关闭气缸进气门时，在EGR系统输送从排气系统到进气系统的空气/排气混合物的发动机排气部件和进入排气歧管的发动机排气中存在一定量的NOx，进入排气歧管的发动机排气中存在的NOx量降低到通过使进气门操作机构在发动机循环中比所选择的时间更早地关闭气缸进气门来确定一定量。

5. 发明申请

US20140202422A1 CONTROLLING CYLINDER USAGE DURING REDUCED LOAD ON AN INTERNAL COMBUSTION PROPULSION ENGINE 审中-公开
标题翻译：在内燃机推进发动机减载时控制气缸的使用
公开(公告)号：US20140202422A1
公开(公告)日：2014-07-24
申请号：US14240463
申请日：2011-08-23
申请人： Luis Carlos Cattani , Laura M Ricart-Ugaz , Qianfan Xin
发明人： Luis Carlos Cattani , Laura M Ricart-Ugaz , Qianfan Xin
IPC分类号： F02D13/02
CPC分类号： F02D13/0203 , F02D41/0087 , F02D2041/001 , Y02T10/18
摘要： While an engine is miming with all engine cylinders being fueled, a historical record of engine output torque and engine speed is compiled. When the historical record discloses a change in engine operation from a relatively greater output torque and engine speed to a relatively lesser output torque and speed, fueling of at least one engine cylinder ceases while engine output torque and engine speed remain substantially unchanged at the relatively lesser output torque and speed by continuing fueling of other engine cylinders and by causing at least one mechanism to control the timing of operation of cylinder intake and exhaust valves of the at least one engine cylinder to substantially minimize pumping loss attributable to the at least one engine cylinder.
摘要翻译：虽然发动机正在模拟所有发动机气缸燃料，但是编制了发动机输出扭矩和发动机转速的历史记录。当历史记录公开了从相对较大的输出扭矩和发动机转速到相对较小的输出转矩和速度的发动机运转的变化时，至少一个发动机气缸的燃料供应停止，而发动机输出扭矩和发动机转速在相对较小的压力下基本保持不变通过继续对其它发动机气缸进行加油，并且通过使至少一个机构来控制至少一个发动机气缸的气缸进气门和排气门的运转时间来实质地最小化归因于至少一个发动机气缸的泵送损失，从而输出扭矩和速度。

6. 发明授权

US07032578B2 Venturi mixing system for exhaust gas recirculation (EGR) 有权
标题翻译：用于废气再循环（EGR）的文丘里混合系统
公开(公告)号：US07032578B2
公开(公告)日：2006-04-25
申请号：US10945618
申请日：2004-09-21
申请人： Zhengbai Liu , Laura M. Ricart-Ugaz , Timothy Chang , Yuanxian Zhu
发明人： Zhengbai Liu , Laura M. Ricart-Ugaz , Timothy Chang , Yuanxian Zhu
IPC分类号： F02B47/08
CPC分类号： F02M35/10118 , F02M26/10 , F02M26/19 , F02M35/10157 , F02M35/10222
摘要： A venturi mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The venturi mixing system has a venturi disposed in a mixing conduit. The venturi is connected to an intake air conduit and a supply conduit. The venturi and mixing conduit form an annular cavity connected to an EGR conduit. The venturi forms a mixing chamber. One or more inset conduits connect to the venturi and extend into the mixing chamber. Each inset conduit has an end outlet and one or more side outlets. The venturi generates a lower pressure region in the intake air. The inset conduits generate a turbulence field in the lower pressure region. The inset conduits direct intake air into the turbulence field. The inset conduits direct exhaust gases through the end and side outlets into the turbulence field. The exhaust gases mix with the intake air in the turbulence field to form a combustion gas for combustion of fuel in the engine. The venturi provides the combustion gas to the supply conduit.
摘要翻译：文丘里混合系统将进气和废气混合在内燃机中用于废气再循环（EGR）。文丘里混合系统具有布置在混合管道中的文氏管。文丘里管连接到进气管道和供应管道。文丘里管和混合管道形成连接到EGR管道的环形空腔。文氏管形成混合室。一个或多个插入管道连接到文丘里管并延伸到混合室中。每个插入导管都有一个端口和一个或多个侧插口。文氏管在进气中产生较低的压力区域。插入管道在较低压力区域产生湍流场。插入管道将进气直接引入湍流场。插入管道将废气直接通过端部和侧面出口进入湍流场。废气与湍流场中的进气混合形成用于燃料在发动机中燃烧的燃烧气体。文氏管将燃烧气体提供给供应管道。

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