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1. 发明授权

US06494041B1 Total pressure exhaust gas recirculation duct 有权
标题翻译：总压力排气再循环管道
公开(公告)号：US06494041B1
公开(公告)日：2002-12-17
申请号：US09897247
申请日：2001-07-02
申请人： Robert Shawn Lebold
发明人： Robert Shawn Lebold
IPC分类号： F02B3344
CPC分类号： F02B37/00 , F02D9/04 , F02M26/05 , F02M26/10 , F02M26/16 , F02M26/70 , F02M26/71 , Y02T10/144
摘要： A total pressure exhaust gas recirculation duct system includes a turbocharger having a turbine inlet scroll, an exhaust gas recirculation duct and a valve assembly disposed between a port and inlet scroll and the inlet to the exhaust gas recirculation duct. The valve is situated so that the valve blade member extends from the inlet scroll port into the exhaust gas stream to divert a portion of the exhaust gas into the EGR duct. The valve has a pivot shaft disposed within a corresponding channels of the inlet scroll housing and the EGR duct with a free end extending beyond the inlet scroll and the EGR duct for actuation of the valve. Alternatively, the valve can include a blade element attached to the distal end of an actuating rod and positioned in the port of the inlet scroll. The proximal end of the actuation rod extends through a passageway in the EGR duct or the inlet scroll for actuation of the valve. An electronic control unit actuates the valve in conjunction with pressure sensors monitoring intake gas and exhaust gas pressures and other engine condition sensors. The volume of exhaust gas diverted to the EGR duct is varied to maintain the pressure of the diverted exhaust gas at an appropriate level for mixing with the intake gas.
摘要翻译：总压力排气再循环管道系统包括涡轮增压器，其具有涡轮机入口涡旋件，排气再循环管道和设置在端口和入口涡旋件与排气再循环管道的入口之间的阀组件。阀被定位成使得阀叶片构件从入口涡旋端口延伸到排气流中，以将一部分排气转移到EGR管道中。阀具有设置在入口涡旋壳体和EGR管道的相应通道内的枢轴，其具有延伸超过入口涡旋件和EGR管道的自由端，用于致动阀。或者，阀可以包括附接到致动杆的远端并定位在入口涡旋件的端口中的叶片元件。致动杆的近端延伸穿过EGR管道或入口涡卷中的通道，用于致动阀。电子控制单元与监测进气和排气压力的压力传感器以及其它发动机状态传感器一起启动阀。转向EGR管道的排气的体积变化，以将转向排气的压力保持在与进气混合的适当水平。

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