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公开(公告)号：US08814619B2
公开(公告)日：2014-08-26
申请号：US13360953
申请日：2012-01-30
申请人： Shinya Maekawa , Toshio Suzuki , Koichi Nakayama , Katsumi Ochiai
发明人： Shinya Maekawa , Toshio Suzuki , Koichi Nakayama , Katsumi Ochiai
IPC分类号： B63H21/00
CPC分类号： B63H20/24 , F01N13/008 , F01N13/105 , F01N13/1805 , F01N2560/025
摘要： An outboard motor includes an engine, an exhaust manifold, and a lower exhaust passage. The engine includes a plurality of cylinders, and a plurality of exhaust ports. The cylinders are disposed in-line in a vertical direction. The exhaust ports are respectively connected to the cylinders. The exhaust manifold includes a first passage, a second passage, and a third passage. The first passage is connected to the exhaust ports, and extends in a vertical direction. The second passage is connected to the first passage. The third passage is connected to the first passage below the second passage. The lower exhaust passage is connected to the exhaust manifold, and provides a passage through which exhaust gas is expelled to the outside from the exhaust manifold. One of the second passage and the third passage is connected to the lower exhaust passage.
摘要翻译： 舷外马达包括发动机，排气歧管和下排气通道。 发动机包括多个气缸和多个排气口。 气缸沿垂直方向成直角排列。 排气口分别连接到气缸。 排气歧管包括第一通道，第二通道和第三通道。 第一通道连接到排气口，并沿垂直方向延伸。 第二通道连接到第一通道。 第三通道连接到第二通道下方的第一通道。 下排气通道连接到排气歧管，并且提供排气从排气歧管排出到外部的通道。 第二通道和第三通道中的一个连接到下排气通道。
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公开(公告)号：US08795013B1
公开(公告)日：2014-08-05
申请号：US13293152
申请日：2011-11-10
申请人： Koichi Nakayama , Toshio Suzuki , Katsumi Ochiai , Shinya Maekawa
发明人： Koichi Nakayama , Toshio Suzuki , Katsumi Ochiai , Shinya Maekawa
IPC分类号： F01N13/10
CPC分类号： B63H20/24 , B63H20/26 , F01N13/085 , F01N13/12 , F01N2570/22 , F01N2590/021
摘要： In an outboard motor, an exhaust collecting pipe is disposed so as to extend in a vertical direction. The exhaust collecting pipe collects exhaust emitted from a plurality of exhaust ports. A catalyst housing pipe is disposed along a horizontal direction with the exhaust collecting pipe. The catalyst housing pipe is disposed so as to extend in the vertical direction. A catalyst member is housed in the catalyst housing pipe. A connecting pipe is disposed so as to extend in a horizontal direction. The connecting pipe connects the exhaust collecting pipe and the catalyst housing pipe. A protruding portion is provided at a top or a bottom of an inside surface of the connecting pipe.
摘要翻译： 在舷外马达中，排气收集管设置成沿垂直方向延伸。 排气收集管收集从多个排气口排出的废气。 催化剂收容管沿着水平方向配置有排气收集管。 催化剂容纳管被设置为在垂直方向上延伸。 催化剂构件容纳在催化剂容纳管中。 连接管设置成在水平方向上延伸。 连接管连接排气收集管和催化剂收容管。 突出部分设置在连接管的内表面的顶部或底部。
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公开(公告)号：US20130130576A1
公开(公告)日：2013-05-23
申请号：US13610925
申请日：2012-09-12
CPC分类号： F01N3/10 , B63H20/245 , F01N13/10 , F01N13/102 , F01N13/107 , F01N2590/021
摘要： An engine includes a cylinder block including a plurality of cylinders, an exhaust manifold, and an exhaust pipe. The exhaust manifold includes a first passage and a second passage. The first passage includes a plurality of first inflow ports into which exhaust gases flow from the plurality of cylinders, a first collecting portion that collects exhaust gases that have flowed into the plurality of first inflow ports, and a first exhaust port through which exhaust gases collected by the first collecting portion are discharged. The second passage includes a second inflow port into which exhaust gases flow and a second exhaust port through which exhaust gases that have flowed into the second inflow port are discharged. The exhaust pipe includes a connection passage through which the first exhaust port and the second inflow port are connected together.
摘要翻译： 发动机包括具有多个气缸的气缸体，排气歧管和排气管。 排气歧管包括第一通道和第二通道。 第一通道包括多个第一流入端口，废气从多个气缸中流出，第一收集部分收集已经流入多个第一流入口的废气，以及第一排气口，废气通过该第一排出口收集 由第一收集部排出。 第二通道包括废气流过的第二流入口和排出到第二流入口中的废气的第二排气口。 排气管包括连接通道，第一排气口和第二流入口通过该连接通道连接在一起。
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公开(公告)号：US08469754B1
公开(公告)日：2013-06-25
申请号：US13081532
申请日：2011-04-07
申请人： Shinya Maekawa , Koichi Nakayama , Toshio Suzuki , Katsumi Ochiai
发明人： Shinya Maekawa , Koichi Nakayama , Toshio Suzuki , Katsumi Ochiai
IPC分类号： B63H21/32
CPC分类号： B63H20/24 , B63H20/26 , F01N13/085 , F01N13/12 , F01N2570/22 , F01N2590/021
摘要： An outboard motor includes an exhaust passage, a catalyst member, and a water capture member. The exhaust passage includes a first passage, a second passage, a third passage, and a fourth passage. The first passage is connected to exhaust ports, extends in a vertical direction, and collects exhaust discharged from the exhaust ports. The second passage extends laterally from the first passage. The third passage is connected to the second passage, extends downward from the second passage, and is disposed on a side of cylinders of an engine. The fourth passage is connected to the third passage, is positioned below the engine, and guides the exhaust to below the engine. The fourth passage discharges exhaust to the outside via a propeller boss of a propeller. The catalyst member is disposed in the third passage. The water capture member is disposed downstream of the catalyst member in the third passage.
摘要翻译： 舷外马达包括排气通道，催化剂构件和捕水构件。 排气通道包括第一通道，第二通道，第三通道和第四通道。 第一通道连接到排气口，沿垂直方向延伸，并且收集从排气口排出的废气。 第二通道从第一通道横向延伸。 第三通道连接到第二通道，从第二通道向下延伸，并且设置在发动机的气缸的一侧。 第四通道连接到第三通道，位于发动机下方，并将排气引导到发动机下方。 第四通道通过螺旋桨的推进器凸起将排气排放到外部。 催化剂构件设置在第三通道中。 捕集构件设置在第三通道中的催化剂构件的下游。
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公开(公告)号：US20130029545A1
公开(公告)日：2013-01-31
申请号：US13360953
申请日：2012-01-30
申请人： Shinya MAEKAWA , Toshio SUZUKI , Koichi NAKAYAMA , Katsumi OCHIAI
发明人： Shinya MAEKAWA , Toshio SUZUKI , Koichi NAKAYAMA , Katsumi OCHIAI
CPC分类号： B63H20/24 , F01N13/008 , F01N13/105 , F01N13/1805 , F01N2560/025
摘要： An outboard motor includes an engine, an exhaust manifold, and a lower exhaust passage. The engine includes a plurality of cylinders, and a plurality of exhaust ports. The cylinders are disposed in-line in a vertical direction. The exhaust ports are respectively connected to the cylinders. The exhaust manifold includes a first passage, a second passage, and a third passage. The first passage is connected to the exhaust ports, and extends in a vertical direction. The second passage is connected to the first passage. The third passage is connected to the first passage below the second passage. The lower exhaust passage is connected to the exhaust manifold, and provides a passage through which exhaust gas is expelled to the outside from the exhaust manifold. One of the second passage and the third passage is connected to the lower exhaust passage.
摘要翻译： 舷外马达包括发动机，排气歧管和下排气通道。 发动机包括多个气缸和多个排气口。 气缸沿垂直方向成直角排列。 排气口分别连接到气缸。 排气歧管包括第一通道，第二通道和第三通道。 第一通道连接到排气口，并沿垂直方向延伸。 第二通道连接到第一通道。 第三通道连接到第二通道下方的第一通道。 下排气通道连接到排气歧管，并且提供排气从排气歧管排出到外部的通道。 第二通道和第三通道中的一个连接到下排气通道。
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公开(公告)号：US08801482B2
公开(公告)日：2014-08-12
申请号：US13610927
申请日：2012-09-12
IPC分类号： B63H21/00
CPC分类号： B63H20/245 , B63H20/14 , F01N3/005 , F01N3/28 , F01N13/004 , F01N13/08 , F01N13/10 , F01N13/12 , F01N13/1811 , F01N2340/02 , F02B61/045 , F02B75/22 , F02F1/243 , Y02T10/20
摘要： An engine includes a cylinder block including a plurality of cylinders disposed along a V-shaped line, a pair of exhaust manifolds disposed inside the V-shaped line, and an exhaust pipe disposed inside the V-shaped line. Each of the pair of exhaust manifolds includes a first passage that includes a plurality of inflow ports into which exhaust gases from the cylinders flow, a collecting portion at which exhaust gases are collected, and an exhaust port from which exhaust gases are discharged. The exhaust pipe includes a connection passage that includes a pair of intermediate inflow ports that are connected to the exhaust ports, at least one intermediate exhaust port from which exhaust gases are discharged. The connection passage is arranged to connect the pair of intermediate inflow ports and the at least one intermediate exhaust port.
摘要翻译： 发动机包括：气缸体，其包括沿V形线设置的多个气缸，设置在V形线内部的一对排气歧管和设置在V形线内的排气管。 一对排气歧管中的每一个包括第一通道，其包括多个流出端口，来自气缸的废气流入其中，收集废气的收集部分和排出废气的排气口。 排气管包括连接通道，该连接通道包括连接到排气口的一对中间流入口，排出废气的至少一个中间排气口。 连接通道布置成连接一对中间流入端口和至少一个中间排气口。
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公开(公告)号：US08585452B1
公开(公告)日：2013-11-19
申请号：US13196972
申请日：2011-08-03
申请人： Shinya Maekawa , Koichi Nakayama , Toshio Suzuki , Katsumi Ochiai
发明人： Shinya Maekawa , Koichi Nakayama , Toshio Suzuki , Katsumi Ochiai
IPC分类号： B63H21/32
CPC分类号： F01N1/00 , B63H20/24 , B63H20/26 , B63H21/32 , F01N13/085 , F01N13/12 , F01N2570/22 , F01N2590/021
摘要： A marine propulsion device includes an engine, an exhaust passage, a porous body, a retainer mat, and a stopper portion. The engine includes an exhaust port. The exhaust passage connects to the exhaust port. The porous body is disposed in the exhaust passage. The retainer mat covers the outside peripheral face of the porous body. The retainer mat retains the porous body. The stopper portion is disposed inside the exhaust passage. The stopper portion is disposed downstream of the porous body and spaced apart from a downstream-side end portion of the porous body. The stopper portion extends inwardly in the radial direction, past the outside peripheral surface of the porous body.
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公开(公告)号：US20130130577A1
公开(公告)日：2013-05-23
申请号：US13610927
申请日：2012-09-12
CPC分类号： B63H20/245 , B63H20/14 , F01N3/005 , F01N3/28 , F01N13/004 , F01N13/08 , F01N13/10 , F01N13/12 , F01N13/1811 , F01N2340/02 , F02B61/045 , F02B75/22 , F02F1/243 , Y02T10/20
摘要： An engine includes a cylinder block including a plurality of cylinders disposed along a V-shaped line, a pair of exhaust manifolds disposed inside the V-shaped line, and an exhaust pipe disposed inside the V-shaped line. Each of the pair of exhaust manifolds includes a first passage that includes a plurality of inflow ports into which exhaust gases from the cylinders flow, a collecting portion at which exhaust gases are collected, and an exhaust port from which exhaust gases are discharged. The exhaust pipe includes a connection passage that includes a pair of intermediate inflow ports that are connected to the exhaust ports, at least one intermediate exhaust port from which exhaust gases are discharged. The connection passage is arranged to connect the pair of intermediate inflow ports and the at least one intermediate exhaust port.
摘要翻译： 发动机包括：气缸体，其包括沿V形线设置的多个气缸，设置在V形线内部的一对排气歧管和设置在V形线内的排气管。 一对排气歧管中的每一个包括第一通道，其包括多个流出端口，来自气缸的废气流入其中，收集废气的收集部分和排出废气的排气口。 排气管包括连接通道，该连接通道包括连接到排气口的一对中间流入口，排出废气的至少一个中间排气口。 连接通道布置成连接一对中间流入端口和至少一个中间排气口。
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公开(公告)号：US08858283B2
公开(公告)日：2014-10-14
申请号：US13610925
申请日：2012-09-12
CPC分类号： F01N3/10 , B63H20/245 , F01N13/10 , F01N13/102 , F01N13/107 , F01N2590/021
摘要： An engine includes a cylinder block including a plurality of cylinders, an exhaust manifold, and an exhaust pipe. The exhaust manifold includes a first passage and a second passage. The first passage includes a plurality of first inflow ports into which exhaust gases flow from the plurality of cylinders, a first collecting portion that collects exhaust gases that have flowed into the plurality of first inflow ports, and a first exhaust port through which exhaust gases collected by the first collecting portion are discharged. The second passage includes a second inflow port into which exhaust gases flow and a second exhaust port through which exhaust gases that have flowed into the second inflow port are discharged. The exhaust pipe includes a connection passage through which the first exhaust port and the second inflow port are connected together.
摘要翻译： 发动机包括具有多个气缸的气缸体，排气歧管和排气管。 排气歧管包括第一通道和第二通道。 第一通道包括多个第一流入端口，废气从多个气缸中流出，第一收集部分收集已经流入多个第一流入口的废气，以及第一排气口，废气通过该第一排出口收集 由第一收集部排出。 第二通道包括废气流过的第二流入口和排出到第二流入口中的废气的第二排气口。 排气管包括连接通道，第一排气口和第二流入口通过该连接通道连接在一起。
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