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1. 发明授权

US06840038B2 Exhaust system for outboard motor 有权
标题翻译：舷外马达排气系统
公开(公告)号：US06840038B2
公开(公告)日：2005-01-11
申请号：US10228435
申请日：2002-08-27
申请人： Goichi Katayama , Katsumi Ochiai , Masanori Takahashi
发明人： Goichi Katayama , Katsumi Ochiai , Masanori Takahashi
IPC分类号： B63H20/24 , F01N7/00 , F02B27/04 , F02B61/04 , F02B75/18 , F02B75/20 , F02F1/00 , F02F1/42 , F02B27/02
CPC分类号： F01N13/12 , F01N13/004 , F01N13/10 , F01N2590/021 , F02B27/04 , F02B61/045 , F02B75/20 , F02B2075/1816
摘要： An exhaust system for an internal combustion engine of an outboard motor is provided. The exhaust system provides dual exhaust passages, simplifying the engine's construction and reducing manufacturing costs, while optimizing engine performance. The exhaust system includes exhaust ports having equal lengths that avoid differential pressure losses across cylinders. The arrangement of the exhaust passages enables a cowling to have a tapered aerodynamic design.
摘要翻译：提供了一种用于舷外马达的内燃机的排气系统。排气系统提供双排气通道，简化发动机的结构并降低制造成本，同时优化发动机性能。排气系统包括具有相等长度的排气口，以避免汽缸之间的压差损失。排气通道的布置使得整流罩具有锥形空气动力学设计。

2. 发明授权

US06415773B1 Fuel supply for engine 有权
公开(公告)号：US06415773B1
公开(公告)日：2002-07-09
申请号：US09506976
申请日：2000-02-18
申请人： Goichi Katayama , Sadato Yoshida , Masanori Takahashi
发明人： Goichi Katayama , Sadato Yoshida , Masanori Takahashi
IPC分类号： F02M3704
CPC分类号： F02M37/0017 , F02B61/045 , F02B75/20 , F02B2075/027 , F02B2075/1816 , F02B2275/18 , F02M31/20 , F02M37/0052 , F02M37/007 , F02M37/0088 , F02M37/20 , Y02T10/126
摘要： A fuel supply for an internal combustion engine includes an improved construction for inhibiting vapor from appearing in the fuel supplied to the engine's combustion chamber(s). A fuel injector, as one of fuel supply devices, is provided for supplying fuel to the combustion chamber of the engine. There are a first and second fuel reservoirs. The first fuel reservoir stores fuel and delivers it to the second fuel reservoir through a first fuel supply conduit, while the second fuel reservoir temporarily store the fuel and delivers it to the fuel injector through a second fuel supply conduit. The excess fuel is returned to the second fuel reservoir from the fuel injector through a fuel return conduit. The fuel supply includes a fuel cooling device for cooling the fuel passing through at least one of the conduits. The construction of the fuel supply and the fuel cooling device permits them to be located with the tight confines between the engine and a protective enclosure (e.g., a cowling of an outboard motor).

3. 发明授权

US06536409B1 Throttle valve control mechanism for engine 有权
标题翻译：发动机节流阀控制机构
公开(公告)号：US06536409B1
公开(公告)日：2003-03-25
申请号：US09357459
申请日：1999-07-20
申请人： Masanori Takahashi , Goichi Katayama
发明人： Masanori Takahashi , Goichi Katayama
IPC分类号： F02D1104
CPC分类号： F02M13/023 , F02B61/045 , F02B2075/027 , F02B2275/18 , F02D11/04
摘要： A throttle valve control mechanism for an internal combustion engine. In one feature of the invention, the engine has multiple cylinders extending generally horizontally, spaced vertically relative to each other. The engine also has an air induction system extending generally horizontally. The air induction system includes a plurality of air intake ducts each having a throttle valve. Each throttle valve has a throttle valve shaft extending generally vertically and linked together. A throttle valve control mechanism is provided. The throttle valve control mechanism has a throttle lever for rotating the throttle valve and the throttle lever is movable in a plane existing generally horizontally. Almost of the other part of the throttle valve control mechanism is movable in a plane existing generally vertically. If the engine is mounted on an outboard motor and encircled by a protective cowling, the other part of the throttle valve control mechanism is placed between the engine and the protective cowling. In another feature of the invention, the throttle valve control mechanism has a non-linear device so that the throttle valve opening changes non-linearly as compared with its input operation.
摘要翻译：一种用于内燃机的节流阀控制机构。在本发明的一个特征中，发动机具有大致水平延伸的多个气缸，彼此相对地间隔开。发动机还具有大致水平延伸的空气感应系统。空气感应系统包括多个具有节流阀的进气管道。每个节气门具有大致垂直延伸并连接在一起的节流阀轴。提供节流阀控制机构。节流阀控制机构具有用于旋转节流阀的节流杆，并且节流杆可在大致水平地存在的平面中移动。节流阀控制机构的其他部分的大部分可以在大致竖直地存在的平面中移动。如果发动机安装在舷外马达上并被保护罩包围，则节气门控制机构的另一部分位于发动机和保护罩之间。在本发明的另一特征中，节流阀控制机构具有非线性装置，使得节气门开度与其输入操作相比非线性地变化。

4. 发明授权

US06884131B2 Shift mechanism for marine propulsion unit 有权
标题翻译：船用推进装置换档机构
公开(公告)号：US06884131B2
公开(公告)日：2005-04-26
申请号：US10346320
申请日：2003-01-16
申请人： Goichi Katayama , Masanori Takahashi
发明人： Goichi Katayama , Masanori Takahashi
IPC分类号： B63H20/14 , B63H23/30 , F16D21/00 , F16D25/10 , F16D48/02 , B63H23/26
CPC分类号： F16D48/0206 , B63H20/001 , B63H20/20 , B63H23/30 , F16D25/10 , F16D2048/0212 , F16D2048/0224 , F16D2048/0233 , F16D2500/1105 , F16D2500/3024
摘要： An outboard motor incorporates a driveshaft and a propulsion shaft driven by the driveshaft. The driveshaft carries a pinion. The propulsion shaft carries forward and reverse gears. The pinion always meshes with the forward and reverse gear and drives the forward and reverse gears in opposite directions relative to each other. A hydraulic forward clutch mechanism couples the forward gear with the propulsion shaft. A hydraulic reverse clutch mechanism couples the reverse gear with the propulsion shaft. A shift actuator selectively operates the forward clutch mechanism or the reverse clutch mechanism to provide forward, reverse and/or neutral running conditions for the outboard motor.
摘要翻译：舷外马达包括驱动轴和由驱动轴驱动的推进轴。传动轴带有小齿轮。推进轴带有前进和后退档。小齿轮总是与前进和后退齿轮啮合，并相对于彼此沿相反方向驱动前进和后退齿轮。液压前进离合器机构将前进档与推进轴相连。液压倒档离合器机构将倒档与推进轴相连。换档致动器选择性地操作前进离合器机构或倒档离合器机构以为舷外马达提供前进，后退和/或中立运行条件。

5. 发明授权

US06443117B2 Four stroke engine 有权
标题翻译：四冲程发动机
公开(公告)号：US06443117B2
公开(公告)日：2002-09-03
申请号：US09907034
申请日：2001-07-17
申请人： Masanori Takahashi , Goichi Katayama
发明人： Masanori Takahashi , Goichi Katayama
IPC分类号： B63H2126
CPC分类号： F02B75/20 , F02B1/04 , F02B61/045 , F02B2075/027 , F02B2075/1812 , F02B2075/1816 , F02B2075/182
摘要： A four stroke engine having at least two cylinders spaced vertically relative to each other. Each cylinder includes a cylinder body having a cylinder bore extending generally horizontally. Plurality of air intake ducts are provided for connecting a common plenum chamber and respective air intake passages which extends to respective combustion chambers. Each of the air intake ducts has a generally straight section extending generally horizontally and parallel to each other. The distance between the straight sections is less than the distance between the axes of the cylinder bores. Also, in another feature, throttle body means are interposed between duct members, which are upstream components of the air intake ducts, and the intake passages for controlling the flow of air to the combustion chambers.
摘要翻译：具有至少两个相对于彼此垂直间隔开的气缸的四冲程发动机。每个气缸包括具有大致水平延伸的气缸孔的气缸本体。提供多个进气管道用于连接公共增压室和延伸到相应燃烧室的各个进气通道。每个进气管道具有大致水平并且彼此平行延伸的大致直的部分。直线段之间的距离小于气缸孔的轴线之间的距离。此外，在另一特征中，节气门体装置插入在作为进气管道的上游部件的管道构件和用于控制到燃烧室的空气流的进气通道之间。

6. 发明授权

US06296536B1 Cowling assembly for outboard motor 有权
标题翻译：舷外马达的外壳组件
公开(公告)号：US06296536B1
公开(公告)日：2001-10-02
申请号：US09559863
申请日：2000-04-27
申请人： Goichi Katayama , Takaji Kawai , Masanori Takahashi , Hitoshi Ishida
发明人： Goichi Katayama , Takaji Kawai , Masanori Takahashi , Hitoshi Ishida
IPC分类号： B63H2032
CPC分类号： F02M35/167 , B63H20/32 , F02B61/045 , F02B75/20 , F02B2075/027 , F02B2075/1816 , F02B2275/18 , F02M35/10039 , F02M35/116
摘要： A cowling assembly for an outboard motor includes an improved construction that can supply relatively cool air containing little if no water to the induction device and that can also supply air to cool engine components without reducing the charging efficiency. The outboard motor has an engine that includes an air induction device and is enclosed by the cowling. The induction device has an air inlet opening. The cowling assembly defines a closed cavity in which the engine is contained and has an air intake duct that introduces air into the cavity. The intake duct adjoins the inlet opening and has an opening opened to the cavity and positioned lower than a lower end of the inlet opening. In one form, the cowling assembly has at least one front air intake opening formed on a side surface of its front portion. A rear air intake opening is also formed on a rear surface of its rear end portion. The cowling front air opening primarily supplies air to the induction system, while the cowling rear air opening primarily supplies a cooling air flow across the engine.
摘要翻译：用于舷外马达的整流罩组件包括改进的结构，其可以向感应装置提供相对较冷的空气，其中没有水，而且还可以在不降低充电效率的情况下将空气供应到冷却发动机部件。舷外马达具有发动机，其包括空气感应装置，并由罩盖封闭。感应装置具有进气口。整流罩组件限定了封闭的空腔，发动机容纳在其中，并具有将空气引入空腔的进气管道。入口管道与入口开口相连，并且具有通向腔体的开口并且定位成低于入口开口的下端。在一种形式中，整流罩组件具有形成在其前部的侧表面上的至少一个前进气口。后部进气口也形成在其后端部的后表面上。整流罩前部空气开口主要向感应系统供应空气，而整流罩后部空气开口主要供应通过发动机的冷却空气流。

7. 发明授权

US06286472B1 Four stroke engine 有权
标题翻译：四冲程发动机
公开(公告)号：US06286472B1
公开(公告)日：2001-09-11
申请号：US09356623
申请日：1999-07-19
申请人： Masanori Takahashi , Goichi Katayama
发明人： Masanori Takahashi , Goichi Katayama
IPC分类号： B63H2126
CPC分类号： F02B75/20 , F02B1/04 , F02B61/045 , F02B2075/027 , F02B2075/1812 , F02B2075/1816 , F02B2075/182
摘要： A four stroke engine having at least two cylinders spaced vertically relative to each other. Each cylinder includes a cylinder body having a cylinder bore extending generally horizontally. Plurality of air intake ducts are provided for connecting a common plenum chamber and respective air intake passages which extends to respective combustion chambers. Each of the air intake ducts has a generally straight section extending generally horizontally and parallel to each other. The distance between the straight sections is less than the distance between the axes of the cylinder bores. Also, in another feature, throttle body means are interposed between duct members, which are upstream components of the air intake ducts, and the intake passages for controlling the flow of air to the combustion chambers.
摘要翻译：具有至少两个相对于彼此垂直间隔开的气缸的四冲程发动机。每个气缸包括具有大致水平延伸的气缸孔的气缸本体。提供多个进气管道用于连接公共增压室和延伸到相应燃烧室的各个进气通道。每个进气管道具有大致水平并且彼此平行延伸的大致直的部分。直线段之间的距离小于气缸孔的轴线之间的距离。此外，在另一特征中，节气门体装置插入在作为进气管道的上游部件的管道构件和用于控制到燃烧室的空气流的进气通道之间。

8. 发明授权

US06752114B2 Four-cycle engine for outboard motor 失效
标题翻译：舷外电机四冲程发动机
公开(公告)号：US06752114B2
公开(公告)日：2004-06-22
申请号：US10280432
申请日：2002-10-24
申请人： Katsumi Ochiai , Goichi Katayama , Masanori Takahashi
发明人： Katsumi Ochiai , Goichi Katayama , Masanori Takahashi
IPC分类号： F02M3510
CPC分类号： F02M35/112 , F02B23/10 , F02B61/045 , F02M35/116 , F02M35/167 , Y02T10/125
摘要： A direct fuel injector is positioned to provide better fuel atomization within the combustion chamber. The direct fuel injector is disposed between an intake manifold and a cylinder head assembly thereby eliminating the need for additional fuel delivery conduits, thus decreasing the size of the engine and lowering the production costs of the outboard motor. The direct fuel injector position permits immediate air/fuel mixture adjustments allowing improved acceleration enrichment and lean stratified charge operation. The direct fuel injector position and routing of induction system components allows for compact placement of auxiliary components. The integrated direct fuel injector position enables the operator to enjoy compact engine design, improved engine performance and increased fuel efficiency.
摘要翻译：直接燃料喷射器定位成在燃烧室内提供更好的燃料雾化。直接燃料喷射器设置在进气歧管和气缸盖组件之间，从而消除了额外的燃料输送管道的需要，从而减小了发动机的尺寸并降低了舷外马达的生产成本。直接燃油喷射器位置允许立即进行空气/燃料混合物调整，从而改善加速浓缩和精简分层充气操作。直接燃料喷射器位置和感应系统部件的布线允许辅助部件的紧凑放置。集成的直接燃料喷射器位置使操作者能够享受紧凑的发动机设计，改善发动机性能和提高燃油效率。

9. 发明授权

US06640790B2 Fuel supply for engine 有权
公开(公告)号：US06640790B2
公开(公告)日：2003-11-04
申请号：US10162943
申请日：2002-06-04
申请人： Goichi Katayama , Sadato Yoshida , Masanori Takahashi
发明人： Goichi Katayama , Sadato Yoshida , Masanori Takahashi
IPC分类号： F02B2904
CPC分类号： F02M37/0017 , F02B61/045 , F02B75/20 , F02B2075/027 , F02B2075/1816 , F02B2275/18 , F02M31/20 , F02M37/0052 , F02M37/007 , F02M37/0088 , F02M37/20 , Y02T10/126
摘要： A fuel supply for an internal combustion engine includes an improved construction for inhibiting vapor from appearing in the fuel supplied to the engine's combustion chamber(s). A fuel injector, as one of fuel supply devices, is provided for supplying fuel to the combustion chamber of the engine. There are a first and second fuel reservoirs. The first fuel reservoir stores fuel and delivers it to the second fuel reservoir through a first fuel supply conduit, while the second fuel reservoir temporarily store the fuel and delivers it to the fuel injector through a second fuel supply conduit. The excess fuel is returned to the second fuel reservoir from the fuel injector through a fuel return conduit. The fuel supply includes a fuel cooling device for cooling the fuel passing through at least one of the conduits. The construction of the fuel supply and the fuel cooling device permits them to be located with the tight confines between the engine and a protective enclosure (e.g., a cowling of an outboard motor).

10. 发明授权

US06227184B1 Blow-by gas ventilation system for engine 失效
标题翻译：发动机吹气通风系统
公开(公告)号：US06227184B1
公开(公告)日：2001-05-08
申请号：US09557863
申请日：2000-04-26
申请人： Goichi Katayama , Masanori Takahashi
发明人： Goichi Katayama , Masanori Takahashi
IPC分类号： F01M1300
CPC分类号： F01M13/022 , F01M13/04 , F02B61/045
摘要： A blow-by gas ventilation system for a crankcase of an engine includes an improved construction for distributing blow-by gases more evenly between multiple cylinders. The engine has an air intake device that includes a plurality of air delivery conduits for the cylinders and a plenum chamber housing disposed upstream of the air delivery conduits. The ventilation system comprises a blow-by gas conduit that couples the crankcase with the plenum chamber housing. The plenum chamber housing includes an opening to which the blow-by gas conduit is connected. A baffle is disposed in front of the opening within the plenum chamber housing so as to divide the blow-by gases equally for the respective cylinders.
摘要翻译：用于发动机曲轴箱的窜气通风系统包括用于在多个气缸之间更均匀地分配窜气的改进结构。发动机具有进气装置，其包括用于气缸的多个空气输送管道和设置在空气输送管道的上游的增压室壳体。通风系统包括将曲轴箱与增压室壳体连接的窜气输送管道。增压室壳体包括一个开口，窜气导管连接到该开口。挡板设置在增压室壳体内的开口的前面，以便将相同气缸的窜气分开。

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