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    • 5. 发明授权
    • Exhaust structure for small watercraft
    • 小型船只排气结构
    • US07367857B2
    • 2008-05-06
    • US11708642
    • 2007-02-21
    • Tsuyoshi KumasakaAtsushi KusudaMasatsugu Matsumoto
    • Tsuyoshi KumasakaAtsushi KusudaMasatsugu Matsumoto
    • B63H21/32
    • F01N13/085F01N3/02F01N13/12Y02T10/20
    • To provide an exhaust structure for a small watercraft that can cool exhaust gas, reduce the size and weight, and thereby cost of a backflow prevention chamber. An exhaust structure for a small watercraft is configured to be able to cool exhaust gas in the course of leading it to the outside when the exhaust gas of an engine is led to the outside for discharge. This exhaust structure includes a water muffler containing water therein. A backflow prevention chamber is disposed above the water muffler and adapted to prevent water from entering the side of the engine from the side of the water muffler. The backflow prevention chamber is provided with a cooling water injecting portion adapted to spray cooling water to the exhaust gas in an internal space. An outlet is formed in the bottom portion of the backflow prevention chamber to communicate with the water muffler.
    • 为了提供一种可以冷却废气的小型船舶的排气结构,减小了防回流室的尺寸和重量,从而降低了成本。 用于小型船舶的排气结构被配置为能够在将发动机的排气引导到外部进行排放的过程中将排气引导到外部的过程中进行冷却。 这种排气结构包括其中含有水的消声器。 防回流室设置在水消声器的上方,适用于防止水从水消音器一侧进入发动机侧。 防回流室设置有冷却水注入部,其适于将冷却水喷射到内部空间中的废气。 在防逆流室的底部形成有与水消音器连通的出口。
    • 7. 发明申请
    • Exhaust structure for small watercraft
    • 小型船只排气结构
    • US20070199313A1
    • 2007-08-30
    • US11708642
    • 2007-02-21
    • Tsuyoshi KumasakaAtsushi KusudaMasatsugu Matsumoto
    • Tsuyoshi KumasakaAtsushi KusudaMasatsugu Matsumoto
    • F01N5/02F01N7/12
    • F01N13/085F01N3/02F01N13/12Y02T10/20
    • To provide an exhaust structure for a small watercraft that can cool exhaust gas, reduce the size and weight, and thereby cost of a backflow prevention chamber. An exhaust structure for a small watercraft is configured to be able to cool exhaust gas in the course of leading it to the outside when the exhaust gas of an engine is led to the outside for discharge. This exhaust structure includes a water muffler containing water therein. A backflow prevention chamber is disposed above the water muffler and adapted to prevent water from entering the side of the engine from the side of the water muffler. The backflow prevention chamber is provided with a cooling water injecting portion adapted to spray cooling water to the exhaust gas in an internal space. An outlet is formed in the bottom portion of the backflow prevention chamber to communicate with the water muffler.
    • 为了提供一种可以冷却废气的小型船舶的排气结构,减小了防回流室的尺寸和重量,从而降低了成本。 用于小型船舶的排气结构被配置为能够在将发动机的排气引导到外部进行排放的过程中将排气引导到外部的过程中进行冷却。 这种排气结构包括其中含有水的消声器。 防回流室设置在水消声器的上方,适用于防止水从水消音器一侧进入发动机侧。 防回流室设置有冷却水注入部,其适于将冷却水喷射到内部空间中的废气。 在防逆流室的底部形成有与水消音器连通的出口。