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    INTAKE MANIFOLD UNIT FOR AN INTERNAL COMBUSTION ENGINE
    1.
    发明授权
    INTAKE MANIFOLD UNIT FOR AN INTERNAL COMBUSTION ENGINE 有权

    公开(公告)号：EP3255273B1

    公开(公告)日：2018-08-01

    申请号：EP16174003.0

    申请日：2016-06-10

    申请人： FCA Italy S.p.A.

    发明人： SPINELLI, Gerardo

    IPC分类号： F02M35/104 ,  F02M35/10 ,  F02M26/18 ,  F02M35/112

    CPC分类号： F02M35/104 ,  F02M26/12 ,  F02M26/18 ,  F02M26/19 ,  F02M35/10222 ,  F02M35/10262 ,  F02M35/10321 ,  F02M35/1036 ,  F02M35/1038 ,  F02M35/112 ,  Y02T10/146

    摘要： An intake manifold unit (1) for an internal combustion engine of a motor-vehicle is configured for receiving and mixing a flow of recirculated exhaust gases and a flow of intake air. The unit (1) comprises a manifold hollow body which defines a chamber (C) which communicates with a conduit (2) for introducing the flow of recirculated exhaust gases within the chamber (C), with an inlet (3) for the intake air of the engine and a plurality of outlets (4) in communication with the cylinders of the engine for directing the mixed flow of air and recirculated exhaust gases towards the cylinders of the engine. The unit (1) further comprises a baffle (5) extending within the chamber (C) and defining a first chamber portion (7) and a second chamber portion (8). The conduit (2) of the recirculated exhaust gases has a terminal end portion (20) which is internal to the first chamber portion (7) and which is directed transversally to the direction of the flow of intake air within the first chamber portion (7). The terminal portion (20) of the conduit (2) has a closed end wall (21) and a lateral wall (22) with an opening (23) provided on an opposite side with respect to the air inlet (3).

    INTAKE MANIFOLD UNIT FOR AN INTERNAL COMBUSTION ENGINE
    6.
    发明公开
    INTAKE MANIFOLD UNIT FOR AN INTERNAL COMBUSTION ENGINE 审中-公开
    用于内燃机的进气歧管单元

    公开(公告)号：EP3255273A1

    公开(公告)日：2017-12-13

    申请号：EP16174003.0

    申请日：2016-06-10

    申请人： FCA Italy S.p.A.

    发明人： SPINELLI, Gerardo

    IPC分类号： F02M35/104 ,  F02M35/10 ,  F02M26/18 ,  F02M35/112

    CPC分类号： F02M35/104 ,  F02M26/12 ,  F02M26/18 ,  F02M26/19 ,  F02M35/10222 ,  F02M35/10262 ,  F02M35/10321 ,  F02M35/1036 ,  F02M35/1038 ,  F02M35/112 ,  Y02T10/146

    摘要： An intake manifold unit (1) for an internal combustion engine of a motor-vehicle is configured for receiving and mixing a flow of recirculated exhaust gases and a flow of intake air. The unit (1) comprises a manifold hollow body which defines a chamber (C) which communicates with a conduit (2) for introducing the flow of recirculated exhaust gases within the chamber (C), with an inlet (3) for the intake air of the engine and a plurality of outlets (4) in communication with the cylinders of the engine for directing the mixed flow of air and recirculated exhaust gases towards the cylinders of the engine. The unit (1) further comprises a baffle (5) extending within the chamber (C) and defining a first chamber portion (7) and a second chamber portion (8). The conduit (2) of the recirculated exhaust gases has a terminal end portion (20) which is internal to the first chamber portion (7) and which is directed transversally to the direction of the flow of intake air within the first chamber portion (7). The terminal portion (20) of the conduit (2) has a closed end wall (21) and a lateral wall (22) with an opening (23) provided on an opposite side with respect to the air inlet (3).

    摘要翻译： 用于机动车辆的内燃机的进气歧管单元（1）构造成用于接收和混合再循环废气流和进气流。 所述单元（1）包括歧管空心体，所述歧管空心体限定与用于在腔室（C）内引入再循环排气流的导管（2）连通的腔室（C），所述腔室（C）具有用于吸入空气 以及与发动机的气缸连通的多个出口（4），用于将空气和再循环排气的混合气流引向发动机的气缸。 单元（1）还包括在腔室（C）内延伸并限定第一腔室部分（7）和第二腔室部分（8）的挡板（5）。 再循环废气的导管（2）具有位于第一室部分（7）内部的终端部分（20），该终端部分横向于第一室部分（7）内的进气流动方向 ）。 导管（2）的末端部分（20）具有封闭的端壁（21）和侧壁（22），该侧壁具有设置在相对于空气入口（3）的相对侧上的开口（23）。

    ENGINE INTAKE SYSTEM, AND ENGINE
    8.
    发明公开
    ENGINE INTAKE SYSTEM, AND ENGINE 审中-公开

    公开(公告)号：EP3771816A1

    公开(公告)日：2021-02-03

    申请号：EP20187100.1

    申请日：2020-07-22

    申请人： MAZDA MOTOR CORPORATION

    发明人： ODA, Yusuke ,  WATANABE, Tomomi ,  SASAKI, Junsou ,  TANAKA, Yuichiro ,  YAMADA, Takuya

    IPC分类号： F02M26/11 ,  F02M26/18 ,  F02M26/19 ,  F02M35/10

    摘要： The intake system of the engine supplies gas at least containing fresh air to each cylinder and includes: the throttle valve that regulates an intake amount of the fresh air; the downstream intake passage having the internal space in which the fresh air having flowed through the throttle valve is introduced into the cylinder of the engine 1; and an EGR passage that communicates with the internal space of the downstream intake passage and introduces some of exhaust gas as EGR gas into the downstream intake passage. The EGR passage includes a projected section in a substantially polygonal or cylindrical shape that is projected to the internal space of the downstream intake passage. The projected section is formed in such a shape that a projection length in an outer circumferential surface on an upstream side is longer than a projection length in an outer circumferential surface on a downstream side.