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    Exhaust gas recirculation device of engine
    3.
    发明授权
    Exhaust gas recirculation device of engine 有权
    发动机废气再循环装置

    公开(公告)号：US08560213B2

    公开(公告)日：2013-10-15

    申请号：US12675656

    申请日：2009-09-03

    申请人： Tomomi Onishi ,  Tomihisa Oda ,  Bungo Kawaguchi ,  Masaaki Satou ,  Satoshi Kobayakawa ,  Takeru Shirasawa

    发明人： Tomomi Onishi ,  Tomihisa Oda ,  Bungo Kawaguchi ,  Masaaki Satou ,  Satoshi Kobayakawa ,  Takeru Shirasawa

    IPC分类号： B60T7/12 ,  G05D1/00 ,  G06F7/00 ,  G06F17/00 ,  F02M25/07

    CPC分类号： F02D35/026 ,  F02D41/0065 ,  F02D2250/36 ,  F02M26/05 ,  F02M26/06 ,  F02M35/1038 ,  F02M37/06 ,  Y02T10/47

    摘要： An exhaust gas recirculation device of an engine (10) of the invention comprises a first exhaust gas recirculation passage (50) for connecting an exhaust passage (40) and an intake passage (30) to each other and introducing into the intake passage an exhaust gas discharged from a combustion chamber (21) to the exhaust passage, and a second exhaust gas recirculation passage (55) for connecting the exhaust passage upstream of a part of the exhaust passage connected to the first exhaust gas recirculation passage and the intake passage downstream of a part of the intake passage connected to the first exhaust gas recirculation passage to each other and introducing into the intake passage the exhaust gas discharged from the combustion chamber to the exhaust passage. The amount of the exhaust gas introduced into the intake passage via the first exhaust gas recirculation passage is controlled to a first target exhaust gas recirculation amount and the amount of the exhaust gas introduced into the intake passage via the second exhaust gas recirculation passage is controlled to a second target exhaust gas recirculation amount. The amount of exhaust gas introduced into the first and second exhaust gas passages is controlled in accordance with an allowable upper flame temperature.

    摘要翻译： 本发明的发动机（10）的废气再循环装置包括：第一排气再循环通道（50），用于将排气通道（40）和进气通道（30）彼此连接，并将进气通道排出 从燃烧室（21）排出到排气通道的气体和第二排气再循环通路（55），其连接在与第一废气再循环通路连通的排气通路的一部分和下游的进气通路 所述进气通路的一部分与所述第一废气再循环通道相连，并将从所述燃烧室排出的废气引入到所述进气通道中。 经由第一废气再循环通道引入进气通道的排气量被控制到第一目标废气再循环量，并且经由第二废气再循环通道引入进气通道的排气量被控制为 第二目标废气再循环量。 根据允许的上限火焰温度来控制引入第一和第二废气通道的废气量。