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公开(公告)号：US09328697B2
公开(公告)日：2016-05-03
申请号：US13969648
申请日：2013-08-19
Applicant: General Electric Company
Inventor： Eric David Peters , Nicholas Eric Hansen , Rose Denning
CPC classification number: F02M26/00 , F02D41/0077 , F02D41/0082 , F02M26/13 , F02M26/35
Abstract: Various methods and systems are provided for blocking backflow of exhaust through an exhaust gas recirculation system. In one embodiment, a method comprises flowing exhaust gas through an exhaust gas recirculation (EGR) passage in a first direction from at least a first cylinder group of an engine to an intake manifold of the engine, the exhaust gas flowing in the first direction through a filter arranged in the EGR passage prior to reaching the intake manifold, and blocking flow of gas through the filter in a second, opposite direction with a mechanical one-way valve positioned in the EGR passage between the filter and the intake manifold.
Abstract translation: 提供各种方法和系统来阻止排气通过排气再循环系统的回流。 在一个实施例中，一种方法包括使废气通过从发动机的至少第一气缸组到发动机的进气歧管的第一方向上的废气再循环（EGR）通道流动，排气沿第一方向流过 过滤器，其在到达进气歧管之前布置在EGR通道中，并且阻止气体通过位于过滤器和进气歧管之间的EGR通道中的机械单向阀沿第二相反方向流过过滤器。
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2.发明申请METHOD AND SYSTEMS FOR EXHAUST GAS RECIRCULATION VALVE DIAGNOSIS BASED ON CRANKCASE PRESSURE 有权基于CRCKCASE压力的排气回送阀诊断方法与系统公开(公告)号：US20160138526A1
公开(公告)日：2016-05-19
申请号：US14540548
申请日：2014-11-13
Applicant: General Electric Company
Inventor： Eric David Peters , Nicholas Eric Hansen
CPC classification number: G01L11/04 , F01M2013/0083 , F02D41/0077 , F02D41/22 , F02D41/221 , F02M25/06 , F02M26/08 , F02M26/10 , F02M26/23 , F02M26/43 , F02M26/49 , F02M26/52 , G01M15/08 , Y02T10/47
Abstract: Various methods and systems are provided for diagnosing an exhaust gas recirculation valve based on crankcase pressure. In one example, a method comprises indicating a condition of a valve disposed in a first exhaust passage downstream from a cylinder exhaust valve based at least in part on a crankcase pressure.
Abstract translation: 提供了用于基于曲轴箱压力诊断废气再循环阀的各种方法和系统。 在一个示例中，一种方法包括至少部分地基于曲轴箱压力来指示设置在从气缸排气阀下游的第一排气通道中的阀的状态。
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3.发明授权公开(公告)号：US09612174B2
公开(公告)日：2017-04-04
申请号：US14540548
申请日：2014-11-13
Applicant: General Electric Company
Inventor： Eric David Peters , Nicholas Eric Hansen
IPC: G01L11/04 , F02D41/22 , G01M15/08 , F02M26/49 , F02M26/52 , F02D41/00 , F02M25/06 , F02M26/10 , F02M26/43 , F01M13/00 , F02M26/08 , F02M26/23
CPC classification number: G01L11/04 , F01M2013/0083 , F02D41/0077 , F02D41/22 , F02D41/221 , F02M25/06 , F02M26/08 , F02M26/10 , F02M26/23 , F02M26/43 , F02M26/49 , F02M26/52 , G01M15/08 , Y02T10/47
Abstract: Various methods and systems are provided for diagnosing an exhaust gas recirculation valve based on crankcase pressure. In one example, a method comprises indicating a condition of a valve disposed in a first exhaust passage downstream from a cylinder exhaust valve based at least in part on a crankcase pressure.
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公开(公告)号：US20150047322A1
公开(公告)日：2015-02-19
申请号：US13969648
申请日：2013-08-19
Applicant: General Electric Company
Inventor： Eric David Peters , Nicholas Eric Hansen , Rose Denning
IPC: F02M25/07
CPC classification number: F02M26/00 , F02D41/0077 , F02D41/0082 , F02M26/13 , F02M26/35
Abstract: Various methods and systems are provided for blocking backflow of exhaust through an exhaust gas recirculation system. In one embodiment, a method comprises flowing exhaust gas through an exhaust gas recirculation (EGR) passage in a first direction from at least a first cylinder group of an engine to an intake manifold of the engine, the exhaust gas flowing in the first direction through a filter arranged in the EGR passage prior to reaching the intake manifold, and blocking flow of gas through the filter in a second, opposite direction with a mechanical one-way valve positioned in the EGR passage between the filter and the intake manifold.
Abstract translation: 提供各种方法和系统来阻止排气通过排气再循环系统的回流。 在一个实施例中，一种方法包括使废气通过从发动机的至少第一气缸组到发动机的进气歧管的第一方向上的废气再循环（EGR）通道流动，排气沿第一方向流过 过滤器，其在到达进气歧管之前布置在EGR通道中，并且阻止气体通过位于过滤器和进气歧管之间的EGR通道中的机械单向阀沿第二相反方向流过过滤器。
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