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公开(公告)号：US06945237B1
公开(公告)日：2005-09-20
申请号：US10801752
申请日：2004-03-15
IPC分类号： F02B47/08 , F02M25/07 , F02M35/10 , F02M35/104
CPC分类号： F02M35/1045 , F02M26/12 , F02M26/19 , F02M26/30 , F02M26/47 , F02M35/10222 , F02M35/10347 , F02M35/10367 , F02M35/1038
摘要： An intake manifold mixes and supplies air and exhaust recirculation gas (EGR) to an internal combustion engine. The manifold is a casting and includes an air intake port, an intake chamber receiving intake air from the intake port, an outlet plenum communicated with the engine, an EGR inlet port, and first and second EGR valve chambers. A first EGR passage communicates the EGR inlet port with the first EGR valve chamber. A second EGR passage communicates the EGR inlet port with the second EGR valve chamber. A central EGR outlet passage communicates an end of each EGR valve chamber with a central portion of the plenum. First and second EGR outlet chambers receive EGR from the first and second valve chambers, and have outlet ports which communicate with first and second ends of the plenum. A wall separates the intake chamber from the central EGR outlet passage chamber and from one of the EGR inlet passages. The wall creating turbulence as the EGR from the central EGR outlet passage mixes with intake air from the intake chamber.
摘要翻译： 进气歧管将空气和排气再循环气体（EGR）混合并提供给内燃机。 歧管是铸件，包括进气口，从进气口接收进气的进气室，与发动机连通的出气室，EGR进气口以及第一和第二EGR阀室。 第一EGR通道将EGR入口与第一EGR阀室连通。 第二EGR通道将EGR入口与第二EGR阀室连通。 中央EGR出口通道将每个EGR阀室的端部与集气室的中心部分连通。 第一和第二EGR出口室从第一和第二阀室接收EGR，并且具有与增压室的第一和第二端连通的出口。 一个壁将进气室与中央EGR出口通道室和一个EGR入口通道分开。 来自中央EGR出口通道的EGR产生的湍流与来自进气室的进气混合。
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公开(公告)号：US06935321B1
公开(公告)日：2005-08-30
申请号：US10802976
申请日：2004-03-17
CPC分类号： F02M35/1038 , F02M26/19 , F02M35/10222
摘要： An intake manifold mixes and supplies air and exhaust recirculation gas (EGR) to an internal combustion engine. The manifold is a casting and includes an air intake port formed on one side thereof, an intake chamber receiving intake air from the intake port, an outlet plenum communicated with the engine, an EGR inlet port, and first and second EGR valve chambers. A first EGR passage communicates the EGR inlet port with the first EGR valve chamber. A second EGR passage communicates the EGR inlet port with the second EGR valve chamber. A central EGR outlet passage communicates an end of each EGR valve chamber with a central portion of the plenum. First and second EGR outlet chambers receive EGR from the first and second valve chambers, and have outlet ports which communicate with first and second ends of the plenum. An EGR supply conduit and EGR valves can be installed on either side of the manifold so that the manifold can be oriented the air intake projecting upwardly or downwardly.
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