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1. 发明授权

US5494467A Exhaust system for outboard motor 失效
标题翻译：舷外马达排气系统
公开(公告)号：US5494467A
公开(公告)日：1996-02-27
申请号：US154304
申请日：1993-11-18
申请人： Masafumi Sohgawa , Atsushi Isogawa , Hiroaki Fujimoto
发明人： Masafumi Sohgawa , Atsushi Isogawa , Hiroaki Fujimoto
IPC分类号： B63H20/24 , F01N3/04 , F01N3/28 , F01N13/12 , F02B25/14 , F02B61/04 , F02B75/02 , F02B75/18 , F02B75/22 , B63H21/32
CPC分类号： F01N13/12 , B63H20/245 , F01N13/004 , F01N3/043 , F01N3/046 , F01N3/2885 , F02B61/045 , F02B75/22 , F01N2450/30 , F01N2590/021 , F02B2075/025 , F02B2075/1824 , Y02T10/20
摘要： A number of embodiments of exhaust systems for outboard motors wherein the exhaust ports of the engine discharge the exhaust gases to the atmosphere through an underwater high speed exhaust gas discharge. A trap device is provided for precluding the water from the underwater exhaust gas discharge entering the engine through its exhaust ports. This trap device includes a section that extends above the highest exhaust port of the engine for this purpose.
摘要翻译：用于舷外马达的排气系统的多个实施例，其中发动机的排气口通过水下高速废气排放将废气排放到大气中。提供了一种捕集装置，用于排除通过其排气口进入发动机的水下废气排放的水。该捕集装置包括在该发动机的最高排气口上方延伸的部分。

2. 发明授权

US5378180A Exhaust system for outboard motor 失效
标题翻译：舷外马达排气系统
公开(公告)号：US5378180A
公开(公告)日：1995-01-03
申请号：US157706
申请日：1993-11-24
申请人： Manabu Nakayama , Kouji Abe , Masafumi Sohgawa , Atsushi Isogawa
发明人： Manabu Nakayama , Kouji Abe , Masafumi Sohgawa , Atsushi Isogawa
IPC分类号： B63H20/24 , F01N3/24 , F01N3/28 , F01N13/12 , F02B27/04 , F02B61/04
CPC分类号： F01N13/12 , F01N3/28 , F02B61/045 , F01N2450/30 , F01N2590/021
摘要： Two embodiments of outboard motors embodying tuned exhaust systems having exhaust pipes and expansion chambers into which the exhaust pipes extend. A catalyst is positioned in the exhaust system downstream of the point where the exhaust pipe terminates in the expansion chamber so as to preclude interference with the exhaust tuning. The catalyst bed is removable for ease of servicing without necessitating removal of the outboard motor from the its attachment to the associated watercraft and a trap device is provided for precluding water from entering the engine through its exhaust ports.
摘要翻译：具有调节排气系统的舷外马达的两个实施例具有排气管和排气管延伸到其中的膨胀室。催化剂位于排气系统的下游，排气管终止在膨胀室中，以防止排气调节的干扰。催化剂床是可拆卸的，便于维修，而不需要将舷外马达从其附接到相关联的船舶上去除，并且提供了一种捕集装置，用于排除水通过其排气口进入发动机。

3. 发明授权

US5735614A Outboard motor 失效
标题翻译：舷外马达
公开(公告)号：US5735614A
公开(公告)日：1998-04-07
申请号：US704141
申请日：1996-08-28
申请人： Atsushi Isogawa
发明人： Atsushi Isogawa
IPC分类号： B63H20/00 , F02B61/04 , F02B75/02 , F16C9/04 , F16C19/26 , F16C33/34 , F16C33/46 , F16C33/56
CPC分类号： F16C33/62 , F02B61/045 , F16C33/34 , F16C33/565 , F16C9/04 , F02B2075/025 , Y10S384/912
摘要： A crankshaft bearing arrangement for a two cycle crankcase compression internal combustion engine that provides a low frictional resistance and corrosion resistant. Electro galvanic corrosion is precluded by the utilization of an electrical insulating substance and by minimizing the electrical potential differences between the materials of the bearing.
摘要翻译：一种用于双循环曲轴箱压缩内燃机的曲轴轴承装置，其提供低摩擦阻力和耐腐蚀性。通过使用电绝缘物质并且通过最小化轴承材料之间的电位差来防止电化学腐蚀。

4. 发明授权

US5575699A Outboard motor exhaust system 失效
标题翻译：舷外马达排气系统
公开(公告)号：US5575699A
公开(公告)日：1996-11-19
申请号：US505854
申请日：1995-07-24
申请人： Atsushi Isogawa , Manabu Nakayama
发明人： Atsushi Isogawa , Manabu Nakayama
IPC分类号： B63H20/24 , F01N3/24 , F01N3/28 , F01N13/12 , F02B61/04 , B63H21/32
CPC分类号： F01N13/12 , F01N3/28 , F02B61/045 , F01N2590/021
摘要： A catalytic exhaust system for an outboard motor wherein the catalyst is positioned in the drive shaft housing to remove the source of heat from the power head. However, the catalyst is contained within a sealed compartment in the drive shaft housing lower unit. In order to protect the catalyst from water, a trap section is positioned in the power head and this is water cooled by a source of water which has not passed through the engine for its cooling prior to delivery to the trap section. In addition, the guide plate that separates the power head from the drive shaft housing and through which the exhaust gases pass is also water cooled. An arrangement is incorporated for permitting replacement and servicing of the catalytic converter. Although above the water and below the water exhaust gas discharges are employed, all gases flowing to the atmosphere through either exist pass through the catalytic converter.
摘要翻译：一种用于舷外马达的催化排气系统，其中催化剂位于驱动轴壳体中以从动力头移除热源。然而，催化剂被包含在驱动轴壳体下部单元中的密封隔室内。为了保护催化剂免受水的影响，捕集器部分位于动力头中，并且由水源水进行水冷却，水源在输送到捕集器之前未通过发动机进行冷却。此外，分离动力头与驱动轴壳体并且废气通过的导向板也是水冷的。引入了一种用于允许更换和维修催化转化器的装置。虽然在水面以下，但是排放废气的排放水平都是通过催化转化器流过大气的所有气体。

5. 发明授权

US5554057A Exhaust treatment for outboard motor 失效
标题翻译：舷外马达排气处理
公开(公告)号：US5554057A
公开(公告)日：1996-09-10
申请号：US168066
申请日：1993-12-14
申请人： Kohji Abe , Akihiro Onoue , Atsushi Isogawa
发明人： Kohji Abe , Akihiro Onoue , Atsushi Isogawa
IPC分类号： B63H20/24 , F01N3/04 , F01N3/28 , F01N13/12 , F02B61/04 , B63H21/32
CPC分类号： F01N13/12 , B63H20/245 , F01N13/085 , F01N3/043 , F01N3/28 , F02B61/045 , F01N2240/10 , F01N2240/16 , F01N2590/021 , Y02T10/20
摘要： An exhaust system for a marine propulsion outboard drive wherein the exhaust gases are normally discharged to the atmosphere at a point below the level of the body of water in which the watercraft is operating. A catalyst bed is provided in the exhaust system and the catalyst bed is protected from damage by precluding the flow of water in the exhaust conduit to the catalyst bed in response to certain conditions. These conditions may be either rapid deceleration of the engine or watercraft, stopping of the engine, or any of a combination of sensed factors. The water is precluded either by purging it through air pressure or from generating heat in the exhaust conduit, by providing a heat source in the exhaust conduit that will cause water to vaporize and increase the pressure or by a valve in the exhaust conduit positioned below the catalytic bed. The preclusion of water is initiated for only a predetermined time or until the sensed condition no longer is existent.
摘要翻译：一种用于船用推进舷外驱动器的排气系统，其中废气通常在低于船舶运行的水体水平点的位置排放到大气中。在排气系统中提供催化剂床，并且响应于某些条件，通过排除排气管道中的水流向催化剂床，防止催化剂床受损。这些条件可能是发动机或船只的快速减速，发动机停止，或任何感测因素的组合。通过在排气管道中提供热源，使得水能够蒸发并增加压力，或通过位于排气管道内的排气管道中的阀门，排出管道中的热量，或者通过在排气管道中产生热量来排除水，催化床。水的排除仅在预定时间开始，或者直到感测到的状态不再存在。

6. 发明授权

US5346417A Exhaust gas cleaning device for outboard motor 失效
标题翻译：舷外马达排气净化装置
公开(公告)号：US5346417A
公开(公告)日：1994-09-13
申请号：US23591
申请日：1993-02-26
申请人： Atsushi Isogawa
发明人： Atsushi Isogawa
IPC分类号： B63H20/24 , F01N3/24 , F01N3/28 , F01N13/12 , F02B61/04
CPC分类号： F01N13/12 , F01N3/28 , F01N3/2882 , F02B61/045 , F01N2590/021
摘要： A number of embodiments of outboard motors having catalytic exhaust systems. In each embodiment, an expansion chamber is formed in the drive shaft housing and the exhaust gases are delivered to the expansion chamber from an exhaust pipe that extends at least in part through the expansion chamber and which terminates at its lower end in the lower portion of the expansion chamber. A catalyst bed is positioned at the upper end of the expansion chamber and beneath the engine and through which the exhaust gases must pass for discharge through a further exhaust conduit which extends at least in part through the expansion chamber and which terminates at an underwater exhaust gas discharge. Embodiments are depicted with banks of cylinders having exhaust manifolds that are disposed either adjacent each other, in which case the catalyst bed is comprised of two portions disposed transversely outwardly of the exhaust pipes or wherein the exhaust pipes are spaced from each other and the catalyst bed is comprised of two portions disposed transversely from each other and between the exhaust pipes. An embodiment is also shown having an exhaust pipe with a catalyst bed that surrounds it.
摘要翻译：具有催化排气系统的舷外马达的许多实施例。在每个实施例中，在驱动轴壳体中形成膨胀室，并且废气从排气管输送到膨胀室，该排气管至少部分地通过膨胀室延伸，并且在其下端终止于其下端膨胀室。催化剂床位于膨胀室的上端并位于发动机下方，排气必须通过该催化剂床排出通过另外的排气管道，排气管道至少部分延伸穿过膨胀室并终止于水下排气卸货。实施例用具有排气歧管的气缸组示出，排气歧管彼此相邻设置，在这种情况下，催化剂床由排放管横向设置的两个部分组成，或者排气管彼此间隔开，催化剂床由彼此横向排列并在排气管之间设置的两个部分组成。还示出了具有包围其的催化剂床的排气管的实施例。

7. 发明授权

US06550448B1 Engine throttle valve linkage 有权
标题翻译：发动机节气门联动
公开(公告)号：US06550448B1
公开(公告)日：2003-04-22
申请号：US09688511
申请日：2000-10-16
申请人： Atsushi Isogawa , Yukinori Kashima
发明人： Atsushi Isogawa , Yukinori Kashima
IPC分类号： F02D910
CPC分类号： F02M35/167 , F02B61/045 , F02B75/22 , F02B2075/027 , F02B2075/1824 , F02B2275/18 , F02D11/04 , F02M13/023 , F02M35/10111 , F02M35/10144 , F02M35/10216 , F02M35/116 , F05C2201/021
摘要： An engine throttle valve linkage includes an improved construction that can be placed in a space around an engine in an internal cavity of a protective cowling so as to control throttle valves under a synchronized condition. In a preferred mode, the engine includes first and second air intake conduits communicating with combustion chambers in the respective cylinder banks of the V-shaped engine and extending generally along side surfaces of the engine body. The first and second intake conduits have first and second throttle valves, respectively, both regulating an amount of air flowing through the respective intake conduits. A manipulator actuates both the first and second throttle valves. The manipulator includes a pair of manipulating members coupled with the first and second throttle valves. The manipulator is disposed generally between the first and second air intake conduits so as to be positioned on the engine body.
摘要翻译：发动机节气门联动装置包括改进的结构，其可以放置在保护罩的内腔内的发动机周围的空间中，以便在同步状态下控制节流阀。在优选的模式中，发动机包括与V型发动机的相应气缸组中的燃烧室连通并且大致沿发动机主体的侧表面延伸的第一和第二进气管道。第一和第二进气管道分别具有第一和第二节流阀，二者都调节流过各个进气管道的空气量。操纵器致动第一和第二节流阀。操纵器包括与第一和第二节流阀联接的一对操纵构件。机械手通常设置在第一和第二进气导管之间，以便定位在发动机主体上。

8. 发明授权

US5433634A Exhaust treatment for outboard motor 失效
标题翻译：舷外马达排气处理
公开(公告)号：US5433634A
公开(公告)日：1995-07-18
申请号：US166461
申请日：1993-12-14
申请人： Manabu Nakayama , Atsushi Isogawa
发明人： Manabu Nakayama , Atsushi Isogawa
IPC分类号： B63H20/24 , F01N13/12 , F02B61/04 , B63H21/38
CPC分类号： B63H20/245 , B63B2770/00 , F01N2590/021 , F02B61/045
摘要： An exhaust system for a marine propulsion outboard drive wherein the exhaust gases are normally discharged to the atmosphere at a point below the level of the body of water in which the watercraft is operating. A catalyst bed is provided in the exhaust system and the catalyst bed is protected from damage by pumping water from the exhaust conduit in response to certain conditions. These conditions may be either rapid deceleration of the engine or watercraft, stopping of the engine, or any of a combination of sensed factors. The water is pumped by a water pump which is positioned either in the outboard drive or in the hull of the associated watercraft. The pumping of water is initiated for only a predetermined time or until the sensed condition no longer is existent.
摘要翻译：一种用于船用推进舷外驱动器的排气系统，其中废气通常在低于船舶运行的水体水平点的位置排放到大气中。在排气系统中设置催化剂床，并且响应于某些条件，通过从排气管道泵送水来防止催化剂床体的损坏。这些条件可能是发动机或船只的快速减速，发动机停止，或任何感测因素的组合。水被水泵泵送，该水泵位于外侧驱动装置或相关船舶的船体中。水的泵送仅开始预定时间，或者直到感测到的状态不再存在。

9. 发明授权

US5366401A Exhaust cleaning system for marine propulsion engine 失效
标题翻译：船用推进发动机排气净化系统
公开(公告)号：US5366401A
公开(公告)日：1994-11-22
申请号：US71477
申请日：1993-06-04
申请人： Masayoshi Nanami , Atsushi Isogawa , Honda Masahiro
发明人： Masayoshi Nanami , Atsushi Isogawa , Honda Masahiro
IPC分类号： B63H21/38 , B63H21/32 , F01N1/08 , F01N3/04 , F01N3/24 , F01N3/28 , F01N13/00 , F01N13/12 , F02B61/04 , F02B67/00
CPC分类号： F01N13/12 , B63H21/32 , F01N13/004 , F01N3/04 , F01N3/043 , F01N3/046 , F01N3/2885 , F02B61/045 , B63B2770/00 , F01N2590/02 , F01N2590/022 , Y02T10/20
摘要： An exhaust cleaning system for a marine propulsion engine that includes a catalyst positioned within a tube that communicates with an expansion chamber. A cooling jacket extends around at least a portion of the exhaust system and the liquid coolant is discharged into the exhaust system for flow with the exhaust gases. A number of different arrangements are shown for precluding the coolant from flowing back into the exhaust system and contacting the catalyst bed either when the watercraft is inverted and righted or in the event the engine is stopped and restarted.
摘要翻译：一种用于船用推进发动机的排气净化系统，其包括位于与膨胀室连通的管内的催化剂。冷却套围绕排气系统的至少一部分延伸，并且液体冷却剂被排放到排气系统中以与废气一起流动。示出了许多不同的布置，用于排除冷却剂回流到排气系统中并且当船舶倒置和右转时或在发动机停止并重新起动的情况下与催化剂床接触。

10. 发明授权

US5159916A Ignition timing control member supporting structure of outboard motor 失效
标题翻译：点火正时控制构件舷外马达的支撑结构
公开(公告)号：US5159916A
公开(公告)日：1992-11-03
申请号：US725548
申请日：1991-07-03
申请人： Atsushi Isogawa
发明人： Atsushi Isogawa
IPC分类号： B63H20/00 , F02B61/04 , F02P1/02 , F02P7/067
CPC分类号： F02B61/045 , F02P1/02
摘要： An outboard motor having an improved timing plate mounting arrangement for its ignition system. The mounting plate has a hub portion that is journaled on the outer side of a cylindrical extension of the crankshaft wall and is held in place by a retainer plate that is bolted to the end surface of the wall and radially inwardly of the hub portion. The ignition plate carries a pulser coil that extends on the outer periphery of the flywheel of the engine and charging coils are mounted internally of the flywheel on the retainer plate.
摘要翻译：具有改进的用于其点火系统的定时板安装装置的舷外马达。安装板具有轮毂部分，该轮毂部分轴颈位于曲轴壁的圆柱形延伸部的外侧上，并通过固定板保持在适当的位置，该保持板螺栓连接到壁的端面并且在轮毂部分的径向内侧。点火板带有在发动机的飞轮的外周延伸的脉冲发生器线圈，并且充电线圈安装在保持板上的飞轮内部。

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