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公开(公告)号：US5996561A
公开(公告)日：1999-12-07
申请号：US999412
申请日：1997-12-23
申请人： Takahide Watanabe
发明人： Takahide Watanabe
IPC分类号： B63H20/00 , F01M1/06 , F01M13/00 , F01M13/02 , F01N13/12 , F02B61/04 , F02B75/02 , F02B75/18 , F02B75/20 , F01M1/10
CPC分类号： F01N13/12 , F01M13/022 , F02B61/045 , F02B75/20 , F02B2075/027 , F02B2075/1808 , F02B2275/20
摘要： A vapor separator for an outboard motor is disclosed. The outboard motor has a cowling and a water propulsion device. An internal combustion engine is positioned in the cowling and arranged to propel the water propulsion device. The engine includes a top and a bottom side. The engine also includes an engine block defining at least one cylinder bore therein. A crankshaft is supported for rotation with respect to the engine block and is located in a first chamber. A camshaft is supported for rotation with respect to the engine block and is located in a second chamber. The engine further includes a lubrication system for the lubrication of the crankshaft and the camshaft. A lubrication collection area is located on the bottom side of the engine for the gravitational collection of engine lubrication fluid from the first chamber and the second chamber. A breather chamber is located on the top side of the engine first passage providing fluid communication between the lubrication collection area and the breather chamber and a second passage in communication between the second chamber and the first passage wherein the second passage is substantially oblique to the first passage.
摘要翻译： 公开了一种用于舷外马达的蒸气分离器。 舷外马达具有整流罩和水推进装置。 内燃机定位在整流罩中并且布置成推进水推进装置。 发动机包括顶部和底部。 发动机还包括在其中限定至少一个气缸孔的发动机缸体。 曲轴被支撑成相对于发动机缸体旋转并且位于第一室中。 凸轮轴被支撑成相对于发动机缸体旋转并且位于第二室中。 发动机还包括用于曲轴和凸轮轴的润滑的润滑系统。 润滑收集区域位于发动机的底侧，用于从第一室和第二室重力收集发动机润滑流体。 通气室位于发动机第一通道的顶侧，提供润滑收集区域和通气室之间的流体连通，以及在第二腔室和第一通道之间连通的第二通道，其中第二通道基本上倾斜于第一通道 通道。
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22.发明授权
公开(公告)号：US5975971A
公开(公告)日：1999-11-02
申请号：US85996
申请日：1998-05-27
申请人： Kazuyuki Kitajima
发明人： Kazuyuki Kitajima
CPC分类号： F02M35/10222 , F01M13/022 , F02B61/045 , F02M35/06 , F02M35/167
摘要： A crankcase seal and ventilation arrangement for an outboard motor that permits ventilating air to flow from the crankcase chamber into an induction system of the engine for air purification. In addition, the arrangement is such that oil, which may flow into the ventilating air chamber when the outboard motor is tilted up, can return to the crankcase chamber when the outboard motor is returned to its normal running condition.
摘要翻译： 用于舷外马达的曲轴箱密封和通风装置，其允许通风空气从曲轴箱室流入发动机的空气净化的感应系统。 此外，这种布置使得当舷外马达向上倾斜时可能流入通风空气室的油可以在舷外马达返回其正常运行状态时返回到曲轴箱室。
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公开(公告)号：US5967865A
公开(公告)日：1999-10-19
申请号：US953012
申请日：1997-10-16
申请人： Daisuke Nakamura , Atsushi Kumita
发明人： Daisuke Nakamura , Atsushi Kumita
CPC分类号： B63H20/34 , F02B61/045
摘要： A outboard motor mounting system where there is a device for connecting the steering shaft to the drive shaft housing and lower unit comprised of an attaching bracket at least partially encircling and engaging the drive shaft housing and lower unit. There is also a splash plate to deflect water splashed by the driveshaft housing and lower unit that is formed integrally with the attaching bracket comprising a surface extending forwardly and laterally from the main body of the attaching bracket.
摘要翻译： 一种舷外马达安装系统，其中存在用于将转向轴连接到驱动轴壳体的装置，下部单元包括至少部分地环绕并接合驱动轴壳体和下部单元的附接支架。 还有一个飞溅板，用于使由驱动轴壳体和下部单元溅出的水与所述附接支架一体地形成，该附接支架包括从附接支架的主体向前和向外延伸的表面。
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公开(公告)号：US5957112A
公开(公告)日：1999-09-28
申请号：US843016
申请日：1997-04-11
IPC分类号： B63H20/00 , F02B61/04 , F02M35/10 , F02M51/08 , F02M69/00 , F02M69/04 , F02M69/46 , F02M55/02
CPC分类号： F02M35/10216 , F02B61/045 , F02M35/112 , F02M35/167 , F02M69/044 , F02M69/462 , F02M35/1085
摘要： A fuel injector arrangement for an internal combustion engine of the type utilized to power an outboard motor of a watercraft is disclosed. The engine is oriented with its crankshaft vertically extending, such that the engine has a top and a bottom, a first end and a second end, and a side between the ends. An intake passage leads through a side of the engine to a combustion chamber therein. A fuel injector is positioned along the side of the engine and arranged to deliver fuel into air flowing through the passage. In one arrangement, the fuel injector is connected to an intake manifold connected to the side of the engine and having a passage therethrough leading to the intake passage. In this arrangement, a fuel delivery passage is formed in the manifold through which fuel is delivered to the injector. In a second embodiment, the fuel injector is connected to a cylinder head of the engine and the fuel delivery passage is formed in the cylinder head.
摘要翻译： 公开了一种用于为船只的舷外马达供电的类型的内燃机的燃料喷射器装置。 发动机以其曲轴垂直延伸的方式取向，使得发动机具有顶部和底部，第一端和第二端以及端部之间的一侧。 进气通道通过发动机的一侧引导到其中的燃烧室。 燃料喷射器沿着发动机的侧面定位，并布置成将燃料输送到流过通道的空气中。 在一种布置中，燃料喷射器连接到连接到发动机侧面的进气歧管，并且具有穿过其的通道通向进气通道。 在这种布置中，燃料输送通道形成在歧管中，燃料通过该燃料输送到喷射器。 在第二实施例中，燃料喷射器连接到发动机的气缸盖，并且燃料输送通道形成在气缸盖中。
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公开(公告)号：US5941223A
公开(公告)日：1999-08-24
申请号：US710730
申请日：1996-09-20
申请人： Masahiko Kato
发明人： Masahiko Kato
CPC分类号： F02D41/1482 , F02B61/045 , F02D41/1477 , F02B2075/025 , F02B2075/1824 , F02B75/22 , F02D2400/04
摘要： A feedback control system and method for operating an internal combustion engine to provide the desired air/fuel ratio under all running conditions. The feedback control operates to modify the fuel/air ratio from that achieved by a basic setting that is derived from parameters of engine performance so as to maintain the desired ratio. The feedback control adjusts the air/fuel ratio in two different modes. In a first lean-set mode, when the air/fuel ratio is indicated to be lean, the feedback control adjusts the air/fuel mixture in a first large step and then a number of smaller incremental steps. In a second normal-operational mode, when adjustments to the air/fuel ratio is indicated to be rich, the feedback control adjusts the air/fuel mixture in a first large and then several smaller incremental steps, these steps being larger and more closely spaced in time than their respective counterpart steps in the lean-set mode.
摘要翻译： 一种用于在所有运行条件下操作内燃机以提供所需空气/燃料比的反馈控制系统和方法。 反馈控制操作以通过从发动机性能参数导出的基本设置实现的燃料/空气比来改变燃料/空气比，以保持所需的比率。 反馈控制可以在两种不同的模式下调节空燃比。 在第一稀薄模式中，当空燃比指示为倾斜时，反馈控制在第一大步骤中然后多个较小的增量步骤调节空气/燃料混合物。 在第二正常操作模式中，当空气/燃料比的调节被指示为丰富时，反馈控制在第一大的然后几个较小的增量步骤中调节空气/燃料混合物，这些步骤是更大和更紧密的间隔 在时间上比他们在精益模式下的各自对应的步骤。
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公开(公告)号：US5931712A
公开(公告)日：1999-08-03
申请号：US820746
申请日：1997-03-19
CPC分类号： F01N13/008 , B63H21/32 , F01N2590/022
摘要： An improved exhaust probe arrangement within an exhaust system of a small watercraft increases the accuracy of the probe's readings. The aperture is located upstream of a point where cooling water is introduced into the exhaust system for silencing purposes. As a result, the ingress and egress of exhaust gases flow into and out of the aperture is generally unimpeded by the cooling water. The tendency of water to enter and clog the aperture is also reduced. The precision of the exhaust probe measurements consequently is greatly increased.
摘要翻译： 小型船舶排气系统内的改进的排气探头装置可提高探头读数的准确性。 孔位于将冷却水引入排气系统中以使沉默目的的位置的上游。 结果，废气流入和流出孔的入口和出口通常不受冷却水的阻碍。 水的进入和堵塞孔径的趋势也减少了。 因此，排气探针测量的精度大大增加。
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公开(公告)号：US5931711A
公开(公告)日：1999-08-03
申请号：US947974
申请日：1997-10-09
申请人： Daisuke Nakamura
发明人： Daisuke Nakamura
CPC分类号： F01N13/12 , B63H21/265 , F02B61/045
摘要： An outboard motor incorporating a mounting assembly for resiliently connecting the steering shaft to the driveshaft housing. The mounting assembly also includes locating an attachment bracket on the driveshaft housing juxtaposed to a box shaped section of the internal cavity of the driveshaft housing.
摘要翻译： 一种舷外马达，其包括用于将转向轴弹性连接到驱动轴壳体的安装组件。 安装组件还包括将附接支架定位在与驱动轴壳体的内腔的箱形部分并置的驱动轴壳体上。
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公开(公告)号：US5918584A
公开(公告)日：1999-07-06
申请号：US840398
申请日：1997-04-29
申请人： Masahiko Kato
发明人： Masahiko Kato
IPC分类号： F02D41/02 , F02B61/04 , F02B75/18 , F02B75/22 , F02D35/02 , F02D41/04 , F02D41/06 , F02D41/14 , F02D41/22
CPC分类号： F02B61/045 , F02B75/22 , F02D41/1401 , F02D41/1456 , F02D41/1474 , F02D41/1495 , F02D41/182 , F02B2075/1824 , F02D35/02
摘要： Several embodiments of feedback control systems for either two or four-cycle engines that employ sensors such as oxygen sensors. The systems include an arrangement wherein the sensor condition is determined by comparing the response time with a normal response time. If the time of response is outside of the normal range, compensation may be made so as to permit continued feedback control. Embodiments are also describe that adjust the maximum permissible injection amount and also revert to an open control if the deterioration is more any predetermined amount.
摘要翻译： 用于使用诸如氧传感器之类的传感器的两个或四个循环发动机的反馈控制系统的几个实施例。 该系统包括其中通过将响应时间与正常响应时间进行比较来确定传感器状态的布置。 如果响应时间超出正常范围，则可以进行补偿以允许持续的反馈控制。 还描述了调整最大允许喷射量的实施例，并且如果劣化更多的是任何预定量，则还恢复到打开的控制。
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公开(公告)号：US5918275A
公开(公告)日：1999-06-29
申请号：US824678
申请日：1997-03-26
申请人： Masahiko Kato , Yukio Nakamura , Katsuhisa Ootaki
发明人： Masahiko Kato , Yukio Nakamura , Katsuhisa Ootaki
CPC分类号： G01M15/104
摘要： An oxygen sensor and sensor mounting arrangement for a control system of an internal combustion engine is disclosed. The oxygen sensor senses the actual combustion conditions in a combustion chamber. An insulating arrangement is provided including an insulated conduit and an insulated sensor body for maintaining high temperature of the sensor element by avoiding heat transfer from the conduit and sensor body to the engine body.
摘要翻译： 公开了一种用于内燃机的控制系统的氧传感器和传感器安装装置。 氧传感器感测燃烧室中的实际燃烧条件。 提供了绝缘装置，其包括绝缘导管和绝缘传感器体，用于通过避免从导管和传感器主体到发动机体的热传递来保持传感器元件的高温。
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公开(公告)号：US5911609A
公开(公告)日：1999-06-15
申请号：US842623
申请日：1997-04-15
IPC分类号： B63H21/32 , F01N3/02 , F01N3/04 , F01N3/28 , F01N13/00 , F01N13/08 , F01N13/12 , F01N99/00 , F01P1/06
CPC分类号： F01N13/12 , B63H21/32 , F01N13/008 , F01N3/043 , F01N3/28 , F01N2590/02 , F01N2590/022 , Y02T10/20
摘要： An arrangement of an exhaust gas collection port within an exhaust system of a small watercraft increases the accuracy of an associated probe's readings. The port is located upstream of a point where cooling water is introduced into the exhaust system for silencing purposes. As a result, the ingress and egress of exhaust gases flow into and out of the port is generally unimpeded by the cooling water. The tendency of water to enter and clog the port is also reduced. The precision of the associated exhaust probe measurements consequently is greatly increased.
摘要翻译： 在小型船舶的排气系统内的排气收集口的布置增加了相关探头读数的准确性。 该端口位于将冷却水引入排气系统中用于沉默目的的点的上游。 因此，排气进出口的入口和出口通常不受冷却水的阻碍。 水的进入和堵塞的趋势也减少了。 因此，相关的排气探头测量的精度大大增加。
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