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    Engine for outboard motor
    2.
    发明授权
    Engine for outboard motor 有权

    公开(公告)号：US10059416B2

    公开(公告)日：2018-08-28

    申请号：US15180777

    申请日：2016-06-13

    Applicant: SUZUKI MOTOR CORPORATION

    Inventor： Nobuyuki Shomura ,  Toshio Hayashi ,  Tomohiko Miyaki ,  Ryuji Hamada

    IPC: B63H20/00 ,  B63H20/24

    CPC classification number: B63H20/24 ,  F01N2550/14 ,  F01N2590/021

    Abstract: An engine for an outboard motor is provided with an engine body, an intake system configured to supply combustion air to the engine body, an exhaust passage formed by connecting the engine body and middle and lower units thereunder, a catalyst provided in the exhaust passage, and an air pump configured to supply secondary air to an upstream side of the catalyst. The intake system is arranged in a side portion of one side of the left or right side of the engine body, and the exhaust passage and the air pump are arranged in a side portion of the other side of the left or right side of the engine body.

    Outboard motor
    4.
    发明授权
    Outboard motor 有权

    公开(公告)号：US09938879B2

    公开(公告)日：2018-04-10

    申请号：US15058929

    申请日：2016-03-02

    Applicant: SUZUKI MOTOR CORPORATION

    Inventor： Nobuyuki Shomura ,  Ryuji Hamada

    IPC: F01N13/10 ,  F01N13/00 ,  F01N13/12

    CPC classification number: F01N13/10 ,  F01N13/0093 ,  F01N13/0097 ,  F01N13/12 ,  F01N2590/021

    Abstract: Disclosed is an outboard motor including an exhaust manifold having a first passage that is provided with a plurality of first openings connected to a plurality of exhaust ports and extends vertically, and a second passage that is arranged under the first passage and has a second opening provided in a lower end portion and connected to a third passage formed in the engine holder. The first and second passages of the exhaust manifold are formed integrally, and the exhaust manifold is formed separately from the cylinder head and the cylinder block and is detachably installed.

    Outboard motor
    6.
    发明授权
    Outboard motor 有权

    公开(公告)号：US09664100B2

    公开(公告)日：2017-05-30

    申请号：US15041266

    申请日：2016-02-11

    Applicant: SUZUKI MOTOR CORPORATION

    Inventor： Nobuyuki Shomura ,  Ryuji Hamada

    IPC: B63H20/00 ,  B63H20/24 ,  F01N13/12 ,  F01N13/00 ,  F01N13/08 ,  F01N13/10

    CPC classification number: F01N13/12 ,  B63H20/24 ,  B63H20/245 ,  F01N13/00 ,  F01N13/085 ,  F01N13/10 ,  F01N2590/021

    Abstract: Disclosed is an outboard motor including an exhaust manifold having a plurality of first openings connected to exhaust ports to form a first passage vertically extending, and an exhaust passage having a second passage extending upward along the exhaust manifold, a third passage that is connected to an upper end portion of the second passage and passes over the exhaust manifold, a fourth passage that is connected to the third passage, turns over to the downside, and then extends downward along the exhaust manifold, so that a lower end portion thereof communicates with a fifth passage provided in the engine holder, the second, third, and fourth passages being arranged in one side of the left-right direction of the cylinder block, wherein the exhaust passage is arranged in a swirling shape, and an exhaust gas cleaning catalyst is installed in a middle portion of the second passage.

    Converging cooling system cross section
    7.
    发明授权
    Converging cooling system cross section 有权

    公开(公告)号：US09650937B1

    公开(公告)日：2017-05-16

    申请号：US14622295

    申请日：2015-02-13

    Applicant: Brunswick Corporation

    Inventor： Trevor George ,  Keith W. Gessner

    IPC: F01N13/10 ,  F01N13/00 ,  F01N3/04 ,  F01P3/00 ,  F01P5/10 ,  B63H21/38

    CPC classification number: F01N13/004 ,  F01N3/046 ,  F01N13/10 ,  F01N2590/021 ,  F01P3/202 ,  F01P2060/16 ,  Y02T10/20

    Abstract: A system for cooling an engine of a marine propulsion system having an engine and having a cylinder block. An exhaust manifold that conveys hot exhaust gases from the engine and a pump that pumps water from a body of water are also present in the system. A water jacket surrounding the exhaust manifold conveys water from the pump along at least one stream of water having a cross sectional area for cooling the hot exhaust gases in the exhaust manifold. At least one portion of the water jacket includes at least one converging passageway including a wall of the water jacket that tapers inwardly to reduce the cross-sectional area of the stream of water as the water circulates in the water jacket. The pumped water typically has entrained air in the form of air pockets. The converging passageway reduces the air pockets present in the water to provide even cooling of the manifold.

    V8 ENGINE AND OUTBOARD MOTOR
    9.
    发明申请
    V8 ENGINE AND OUTBOARD MOTOR 有权
    V8发动机和外置电机

    公开(公告)号：US20160341097A1

    公开(公告)日：2016-11-24

    申请号：US15003822

    申请日：2016-01-22

    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA

    Inventor： Yukinori Nose

    IPC: F01N13/10 ,  F01N3/10 ,  F02B75/22 ,  F01L1/08

    CPC classification number: F01N13/10 ,  F01L1/08 ,  F01L2001/0537 ,  F01L2800/08 ,  F01N3/10 ,  F01N2590/021 ,  F02B61/045 ,  F02B75/22 ,  F02B2075/1832

    Abstract: An eight cylinder engine includes cylinders that are fired at intervals corresponding to a crank angle of 90 degrees. The firing is conducted in four cylinders of each of first and second banks at uneven intervals. In a pair of cylinders of each of the banks in which the firing is consecutively conducted at an interval corresponding to a crank angle of 90 degrees, a central angle of an exhaust cam provided for one cylinder in which the firing is conducted later is larger than that of an exhaust cam provided for the other cylinder. In a pair of cylinders of each of the banks in which the firing is consecutively conducted at an interval corresponding to a crank angle of 270 degrees, a central angle of an exhaust cam provided for one cylinder in which the firing is conducted later is larger than that of an exhaust cam provided for the other cylinder.

    Abstract translation: 八缸发动机包括以对应于90度的曲柄角的间隔点燃的气缸。 以不均匀的间隔在第一和第二组中的每一个的四个气缸中进行点火。 在每个组的一对气缸中，以对应于90度的曲柄角的间隔连续地进行燃烧，设置在稍后进行烧制的一个气缸的排气凸轮的中心角大于 为另一个气缸设置的排气凸轮。 在对应于270度的曲柄角度的间隔连续地进行燃烧的各组的一对气缸中，对于稍后进行点火的一个气缸设置的排气凸轮的中心角大于 为另一个气缸设置的排气凸轮。

    CATALYST INSTALLATION STRUCTURE OF OUTBOARD MOTOR
    10.
    发明申请
    CATALYST INSTALLATION STRUCTURE OF OUTBOARD MOTOR 有权
    外框电机的催化安装结构

    公开(公告)号：US20160221658A1

    公开(公告)日：2016-08-04

    申请号：US15001796

    申请日：2016-01-20

    Applicant: SUZUKI MOTOR CORPORATION

    Inventor： Tetsushi ACHIWA ,  Keisuke DAIKOKU

    IPC: B63H20/24 ,  F01N13/18 ,  F01N3/20

    CPC classification number: B63H20/245 ,  F01N3/046 ,  F01N3/10 ,  F01N3/20 ,  F01N3/2842 ,  F01N3/2867 ,  F01N13/10 ,  F01N13/141 ,  F01N13/18 ,  F01N13/1827 ,  F01N2590/021 ,  Y02T10/20

    Abstract: An outboard motor equipped with a four-stroke engine and provided with a catalyst installation structure, in which an exhaust passage is connected to the exhaust ports of the plurality of the cylinders to lead the exhaust gas out of the engine is provided with a catalyst storage chamber configured to store a catalytic converter for cleaning up the exhaust gas, the exhaust passage being integrally formed to the cylinder block, and the catalytic converter is mounted to the catalyst storage chamber by being inserted from a lower side thereof in such a manner as that at least one side end portion thereof is fitted to the catalyst storage chamber to permit expansion of the catalytic converter in an axial direction thereof.

    Abstract translation: 配备有四冲程发动机并具有催化剂安装结构的舷外马达设置有排气通道连接到多个气缸的排气口以将排气引导出发动机的催化剂储存器 室构造成存储用于净化排气的催化转化器，排气通道与气缸体一体形成，并且催化转化器通过从其下侧以这样的方式被插入到催化剂储存室中： 其至少一个侧端部装配到催化剂储存室以允许催化转化器在其轴向方向上膨胀。

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