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    Lubrication and oil drain system for 4 cycle outboard motor
    1.
    发明授权
    Lubrication and oil drain system for 4 cycle outboard motor 有权
    4循环舷外马达的润滑和排油系统

    公开(公告)号：US06099374A

    公开(公告)日：2000-08-08

    申请号：US131969

    申请日：1998-08-11

    申请人： Takahide Watanabe ,  Masanori Takahashi ,  Hitoshi Watanabe

    发明人： Takahide Watanabe ,  Masanori Takahashi ,  Hitoshi Watanabe

    IPC分类号： F01M13/00 ,  F02B61/04 ,  F02B75/00 ,  F02B75/02 ,  F02B75/18 ,  F02B75/20 ,  B63H21/10

    CPC分类号： F02B75/20 ,  F01M13/00 ,  F02B61/045 ,  F02B75/007 ,  F02B2075/027 ,  F02B2075/1816

    摘要： An outboard motor having a multi-cylinder four-cycle, internal combustion engine as a power plant. The engine is provided with an oil reservoir in the upper portion of the drive shaft housing and lower unit. Oil is drained back to this oil reservoir by separate drain passages formed in the cylinder head and in the crankcase. In addition, an improved crankcase ventilating system is provided wherein the crankcase ventilating gases follow a circuitous path through the crankcase chamber, camshaft chambers and then to the intake system so as to reduce the emissions of hydrocarbons.

    摘要翻译： 具有作为动力装置的多缸四循环内燃机的舷外马达。 发动机在驱动轴壳体和下部单元的上部设置有储油器。 油通过形成在气缸盖和曲轴箱中的分开的排放通道排回到该储油器。 此外，提供了一种改进的曲轴箱通风系统，其中曲轴箱通风气体遵循通过曲轴箱室，凸轮轴室，然后到进气系统的迂回路径，以减少碳氢化合物的排放。

    Cooling system for outboard motor
    2.
    发明授权
    Cooling system for outboard motor 失效
    舷外电机冷却系统

    公开(公告)号：US6083064A

    公开(公告)日：2000-07-04

    申请号：US130143

    申请日：1998-08-06

    申请人： Takahide Watanabe ,  Masanori Takahashi ,  Hitoshi Watanabe

    发明人： Takahide Watanabe ,  Masanori Takahashi ,  Hitoshi Watanabe

    IPC分类号： F01P3/02 ,  F01P3/20 ,  F02B61/04 ,  F02B75/02 ,  F02B75/18 ,  F02B75/20 ,  B63H21/10

    CPC分类号： F01P3/02 ,  F01P3/202 ,  F02B61/045 ,  F02B75/20 ,  F01P2060/16 ,  F02B2075/027 ,  F02B2075/1816 ,  F02B2275/18

    摘要： An outboard motor cooling system wherein the coolant is circulated through the various cooling jackets so that it first flows into proximity with at least a portion of the exhaust system cooling jacket and then into the cooling jackets of the main engine body that cool the cylinder bore and combustion chamber. Sacrificial anodes are positioned both in the main engine body cooling jacket and in the exhaust system cooling jacket. In addition, a temperature sensor is positioned in a low portion of the cooling jacket and where the water has passed through the exhaust cooling jacket and before it enters the main engine body cooling jacket so as to provide accurate temperature indication while protecting the temperature sensor from excess temperature conditions particularly after engine shut off.

    摘要翻译： 舷外马达冷却系统，其中冷却剂循环通过各种冷却夹套，使得其首先流动到排气系统冷却套的至少一部分附近，然后进入冷却缸孔的主发动机主体的冷却套， 燃烧室。 牺牲阳极位于主机体冷却套和排气系统冷却套中。 此外，温度传感器位于冷却套的低部分中，并且水已经通过排气冷却套并且在其进入主发动机主体冷却套之前，以便提供精确的温度指示，同时保护温度传感器免受 发动机关闭后特别是过温。

    Outboard motor fuel supply system
    6.
    发明授权
    Outboard motor fuel supply system 失效
    舷外马达燃油供应系统

    公开(公告)号：US06269799B1

    公开(公告)日：2001-08-07

    申请号：US09384698

    申请日：1999-08-26

    申请人： Hitoshi Watanabe ,  Masaki Okazaki ,  Takahide Watanabe

    发明人： Hitoshi Watanabe ,  Masaki Okazaki ,  Takahide Watanabe

    IPC分类号： F02M3704

    CPC分类号： F02M7/11 ,  F02B61/045 ,  F02M7/08 ,  F02M37/18 ,  F02M37/20

    摘要： A fuel supply system for use with an engine having four vertically-arranged cylinders and multiple charge formers prevents air or vapor pockets from accumulating within the fuel pump or fuel lines. A pair of fuel pumps are mounted vertically one above the other. A fuel inlet port of each pump is formed at the lower-most portion of the pump. A fuel discharge port is formed at the upper-most portion of each port. A conduit attached to the top fuel pump's discharge port supplies fuel to an uppermost and lowermost carburetor. A conduit from the lowermost fuel pump supplies fuel to the middle two carburetors. The uppermost carburetor's fuel inlet port is positioned vertically higher than the top fuel pump's discharge port. The second carburetor's fuel inlet port is positioned vertically higher than the second fuel pump's discharge port. Air or vapor pockets within the fuel lines naturally migrates through the fuel pump and through the fuel conduits into the carburetors without becoming trapped in the fuel supply system.

    摘要翻译： 一种用于具有四个垂直布置的气缸和多个充电成形器的发动机的燃料供应系统防止空气或蒸气袋积聚在燃料泵或燃料管线内。 一对燃油泵垂直安装在另一个上。 每个泵的燃料入口形成在泵的最下部。 燃料排出口形成在每个端口的最上部。 连接到顶部燃料泵的排出口的导管向最上面和最下面的化油器供应燃料。 最低燃油泵的导管向中间两个化油器提供燃油。 最上面的化油器的燃料入口位于垂直高于顶部燃料泵的排放口的位置。 第二化油器的燃料入口位于垂直于第二燃料泵的排出口的位置。 燃料管线内的空气或蒸气袋自然地通过燃料泵迁移并通过燃料管道进入化油器，而不会被困在燃料供应系统中。

    Oil pump for outboard motor
    7.
    发明授权
    Oil pump for outboard motor 有权
    舷外马达油泵

    公开(公告)号：US06371246B1

    公开(公告)日：2002-04-16

    申请号：US09537241

    申请日：2000-03-28

    申请人： Hitoshi Watanabe ,  Masanori Takahashi ,  Noriyoshi Hiraoka

    发明人： Hitoshi Watanabe ,  Masanori Takahashi ,  Noriyoshi Hiraoka

    IPC分类号： F01M1100

    CPC分类号： F01M1/02 ,  F02B61/045 ,  F02B75/007 ,  F02B75/20 ,  F02B2075/027 ,  F02B2075/1816 ,  F02B2275/18

    摘要： An oil pump for a lubricating system of an outboard motor is disclosed. The motor has a cowling defining an engine compartment, a water propulsion device, and a guide member having an upper surface and a lower surface, the guide member positioned in the cowling and generally dividing the engine compartment into an upper part and a lower part. An engine is positioned in the upper part of the engine compartment within the cowling and has an output shaft arranged to drive the water propulsion device. The lubricating system includes an oil pan positioned below the guide member and an oil passage leading from the pan through the guide member. The oil pump is positioned in the upper part of the engine compartment, but below the engine, and is driven by a lower end of the output shaft of the engine which extends below the engine, the oil pump having an oil inlet in communication with the oil passage through the guide member.

    摘要翻译： 公开了一种用于舷外马达润滑系统的油泵。 电动机具有限定发动机舱，水推进装置和具有上表面和下表面的引导构件的整流罩，引导构件定位在整流罩中，并且通常将发动机室分成上部和下部。 发动机位于整流罩内的发动机舱的上部，并具有设置成驱动水推进装置的输出轴。 润滑系统包括位于引导构件下方的油盘和从盘通过引导构件引导的油通道。 油泵位于发动机舱的上部，但位于发动机下方，并由发动机的输出轴的下端驱动，发动机的输出轴在发动机下方延伸，油泵具有与该发动机连通的油入口 通过引导构件的油通道。

    Outboard motor induction system
    9.
    发明授权
    Outboard motor induction system 失效
    舷外马达感应系统

    公开(公告)号：US5899778A

    公开(公告)日：1999-05-04

    申请号：US837274

    申请日：1997-04-11

    申请人： Noriyoshi Hiraoka ,  Masanori Takahashi ,  Hitoshi Watanabe

    发明人： Noriyoshi Hiraoka ,  Masanori Takahashi ,  Hitoshi Watanabe

    IPC分类号： B63H20/00 ,  F02B61/04 ,  F02B67/00 ,  F02B75/02 ,  F02B75/18 ,  F02B75/22 ,  F02M35/16 ,  B63H21/10

    CPC分类号： F02B61/045 ,  F02B2075/027 ,  F02B2075/1824 ,  F02B2275/18 ,  F02B75/22

    摘要： An induction system for an outboard motor of the type having a water propulsion device powered by an internal combustion engine positioned within an engine compartment defined by a cowling, is disclosed. The induction system includes a cover extending over a top end of the engine. The cover defines an air duct leading from an intake chamber defined by the cowling to an intake pipe of the air intake system of the engine. The cover also defines an air duct in communication with the engine compartment and leading to an exhaust chamber defined by the cowling. A pair of intake ports lead through a cover of the cowling from the intake chamber, and an exhaust port leads through the cover from the exhaust chamber. The intake ports are positioned forward of the exhaust port when considering the forward movement of a watercraft which is powered by the motor.

    摘要翻译： 公开了一种用于舷外马达的感应系统，其具有由位于由罩壳限定的发动机舱内的内燃机供电的水推进装置。 感应系统包括在发动机的顶端延伸的盖。 盖子限定了从由整流罩限定的进气室引导到发动机的进气系统的进气管的空气管道。 盖子还限定了与发动机舱连通并通向由整流罩限定的排气室的空气管道。 一对进气口从进气室穿过整流罩的盖，排气口从排气室引出盖。 当考虑到由电动机供电的船只的向前运动时，进气口位于排气口的前方。