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公开(公告)号：US08825348B2
公开(公告)日：2014-09-02
申请号：US13848423
申请日：2013-03-21
Applicant: Cummins Inc.
Inventor： Jeremy Harden , T. Andrew Craig , James Eickmeyer , Amit Ashok Surve , Timothy R. Evans , Kerk B. McKeon , Scott A. Henry
CPC classification number: F02M25/0702 , F02D41/0072 , F02D41/0077 , F02D41/22 , F02M26/25 , F02M26/49 , F02M26/50 , Y02T10/16 , Y10T137/6552
Abstract: An exhaust gas purification system including an exhaust gas passageway which routes a flow of exhaust gas from an exhaust gas source to an intake manifold; an exhaust gas passageway valve which controls flow to the intake manifold; a cooling system coupled with the exhaust passageway positioned at a location upstream of the exhaust gas source and downstream of the intake manifold and operable to transfer heat from the flow of exhaust gas to a coolant in flow communication with the cooling system; a bypass passageway coupled with the exhaust gas passageway and bypassing the cooling system; a bypass valve operable to control flow through the bypass passageway; at least one valve operation sensor; and a controller operable to control the bypass valve to direct the flow of exhaust gas to the bypass passageway during exhaust gas recirculation based on a signal from the valve operation sensor.
Abstract translation: 一种废气净化系统，包括将废气流从排气源引导到进气歧管的排气通道; 排气通道阀，其控制进入歧管的流量; 与所述排气通道相连的冷却系统，所述冷却系统位于所述排气源的上游位于所述进气歧管的下游，并且可操作以将热量从所述废气流传递到与所述冷却系统流动连通的冷却剂; 与废气通道联接并绕过冷却系统的旁路通道; 旁通阀，其可操作以控制通过旁路通道的流量; 至少一个阀操作传感器; 以及控制器，其可操作以基于来自所述阀操作传感器的信号来控制所述旁通阀以在排气再循环期间引导废气流到所述旁路通道。
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公开(公告)号：US20130213007A1
公开(公告)日：2013-08-22
申请号：US13848423
申请日：2013-03-21
Applicant: Cummins Inc.
Inventor： Jeremy Harden , T. Andrew Craig , James Eickmeyer , Amit Ashok Surve , Timothy R. Evans , Kerk B. McKeon , Scott A. Henry
IPC: F02M25/07
CPC classification number: F02M25/0702 , F02D41/0072 , F02D41/0077 , F02D41/22 , F02M26/25 , F02M26/49 , F02M26/50 , Y02T10/16 , Y10T137/6552
Abstract: An exhaust gas purification system including an exhaust gas passageway which routes a flow of exhaust gas from an exhaust gas source to an intake manifold; an exhaust gas passageway valve which controls flow to the intake manifold; a cooling system coupled with the exhaust passageway positioned at a location upstream of the exhaust gas source and downstream of the intake manifold and operable to transfer heat from the flow of exhaust gas to a coolant in flow communication with the cooling system; a bypass passageway coupled with the exhaust gas passageway and bypassing the cooling system; a bypass valve operable to control flow through the bypass passageway; at least one valve operation sensor; and a controller operable to control the bypass valve to direct the flow of exhaust gas to the bypass passageway during exhaust gas recirculation based on a signal from the valve operation sensor.
Abstract translation: 一种废气净化系统，包括将废气流从排气源引导到进气歧管的排气通道; 排气通道阀，其控制进入歧管的流量; 与所述排气通道相连的冷却系统，所述冷却系统位于所述排气源的上游位于所述进气歧管的下游，并且可操作以将热量从所述废气流传递到与所述冷却系统流动连通的冷却剂; 与废气通道联接并绕过冷却系统的旁路通道; 旁通阀，其可操作以控制通过旁路通道的流量; 至少一个阀操作传感器; 以及控制器，其可操作以基于来自所述阀操作传感器的信号来控制所述旁通阀以在排气再循环期间引导废气流到所述旁路通道。
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