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公开(公告)号：US4909764A
公开(公告)日：1990-03-20
申请号：US252042
申请日：1988-09-30
申请人： Itsushi Hirukawa , Kazuya Takeuchi
发明人： Itsushi Hirukawa , Kazuya Takeuchi
CPC分类号： F02B61/045 , F02D29/02 , Y10T477/68
摘要： A marine outboard drive incorporating a power operated tilt and trim arrangement and an arrangement for increasing the speed of the engine when the power operated tilt and trim device is operated so as to avoid speed changes during tilt and trim operation. The speed increasing is achieved by altering the spark advance curve and is only done when the propulsion device is driving the watercraft and when the engine generator is generating a predetermined power output.
摘要翻译： 一种包含动力操作的倾斜和装饰装置的船用舷外驱动器以及当操作倾斜和修剪装置被操作以提高在倾斜和调整操作期间的速度变化时增加发动机的速度的装置。 速度增加是通过改变火花提前曲线来实现的，并且仅在推进装置驱动船只时和当发动机发电机产生预定功率输出时才进行。
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公开(公告)号：US4903662A
公开(公告)日：1990-02-27
申请号：US247748
申请日：1988-09-21
CPC分类号： F02P9/002 , F02P11/02 , F02P5/1504 , Y02T10/46 , Y10T477/669
摘要： Several embodiments of spark timing control for spark ignited internal combustion engines that improve running under certain adverse conditions. Arrangements are disclosed for reducing the speed of the engine in response to certain abnormal conditions, such as shifting of an associated transmission. The speed is reduced by interrupting the spark of the engine. In accordance with the disclosed embodiments, uneven running and stalling is avoided by advancing the spark if the engine speed falls below a predetermined engine speed.
摘要翻译： 用于火花点火的内燃机的火花正时控制的几个实施例，其改善在某些不利条件下的运行。 公开了用于响应于某些异常情况（例如相关传输的移位）来降低发动机的速度的安排。 通过中断发动机的火花来降低速度。 根据所公开的实施例，如果发动机转速低于预定的发动机转速，则通过使火花前进来避免不均匀运行和失速。
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公开(公告)号：US07431014B2
公开(公告)日：2008-10-07
申请号：US11536214
申请日：2006-09-28
申请人： Itsushi Hirukawa
发明人： Itsushi Hirukawa
CPC分类号： F02P5/1506 , F02D2250/06 , F02P9/002 , F02P11/02 , Y02T10/46
摘要： An internal combustion engine performs an ignition timing control by an electronic control in accordance with a pulse signal from a pulser. The pulser generates a plurality of the pulser signals per one rotation of the internal combustion engine. An ignition timing control system calculates a reduction amount of a rotational speed of the internal combustion engine based on a plurality of the pulse signals immediately before performing an ignition in the internal combustion engine to determine whether the reduction amount produces ignition combustion kickback and performs a hard ignition or an ignition at an angle which is delayed more than the hard ignition.
摘要翻译： 内燃机根据来自脉冲发生器的脉冲信号通过电子控制进行点火正时控制。 脉冲发生器每内旋发一次产生多个脉冲发生器信号。 点火正时控制系统基于在内燃机中执行点火之前的多个脉冲信号来计算内燃机的转速的减小量，以确定减少量是否产生点火燃烧反冲并执行硬 以比点火更迟的角度点火或点火。
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公开(公告)号：US4973274A
公开(公告)日：1990-11-27
申请号：US297701
申请日：1989-01-17
申请人： Itsushi Hirukawa
发明人： Itsushi Hirukawa
CPC分类号： B63H21/213 , Y10T477/669 , Y10T477/677
摘要： A shift assisting mechanism for a marine outboard transmission that includes a sensing device comprised of a pair of relatively movable levers with pressure responsive switches being effective to transmit movement between the levers and provide a shift controlling signal when the resistance to movement exceeds a predetermined value.
摘要翻译： 一种用于船用舷外变速器的换档辅助机构，其包括感测装置，该感测装置包括一对具有压力响应开关的相对可动的杠杆，其有效地在杆之间传递运动，并且当移动阻力超过预定值时提供换档控制信号。
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公开(公告)号：US07261077B2
公开(公告)日：2007-08-28
申请号：US11278697
申请日：2006-04-05
IPC分类号： F01L13/08
CPC分类号： F01L13/08
摘要： An engine decompressor includes a decompressor pin provided through a pin hole on the surface of a valve cam, a decompressor pin operating shaft in an oil passage provided in a valve cam shaft of the valve cam for vertically moving the decompressor pin by its rotation, a fly weight rotatable by rotation of the valve cam shaft so as to rotate the decompressor pin operating shaft, and a thrust receiving plate separate from the fly weight for restricting the axial movement of the decompressor pin operating shaft in the oil passage. The engine decompressor is capable of operating a decompressor mechanism normally even if the lubricating oil increases in pressure.
摘要翻译： 发动机减压器包括通过阀凸轮表面上的销孔提供的减压器销，设置在阀凸轮的阀凸轮轴中的油通道中的减压器销操作轴，用于通过其旋转垂直移动减压器销， 可通过旋转阀凸轮轴而旋转的飞轮重量，以便使减压器销操作轴旋转，以及与飞轮重合分开的止推接收板，用于限制减压器销操作轴在油路中的轴向运动。 即使润滑油的压力增加，发动机减压器也能够正常地运行减压机构。
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公开(公告)号：US20060225686A1
公开(公告)日：2006-10-12
申请号：US11278697
申请日：2006-04-05
IPC分类号： F01L13/08
CPC分类号： F01L13/08
摘要： An engine decompressor includes a decompressor pin provided through a pin hole on the surface of a valve cam, a decompressor pin operating shaft in an oil passage provided in a valve cam shaft of the valve cam for vertically moving the decompressor pin by its rotation, a fly weight rotatable by rotation of the valve cam shaft so as to rotate the decompressor pin operating shaft, and a thrust receiving plate separate from the fly weight for restricting the axial movement of the decompressor pin operating shaft in the oil passage. The engine decompressor is capable of operating a decompressor mechanism normally even if the lubricating oil increases in pressure.
摘要翻译： 发动机减压器包括通过阀凸轮表面上的销孔提供的减压器销，设置在阀凸轮的阀凸轮轴中的油通道中的减压器销操作轴，用于通过其旋转垂直移动减压器销， 可通过旋转阀凸轮轴而旋转的飞轮重量，以便使减压器销操作轴旋转，以及与飞轮重合分开的止推接收板，用于限制减压器销操作轴在油路中的轴向运动。 即使润滑油的压力增加，发动机减压器也能够正常地运行减压机构。
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公开(公告)号：US5072629A
公开(公告)日：1991-12-17
申请号：US577872
申请日：1990-09-05
申请人： Itsushi Hirukawa , Ryoichi Ito
发明人： Itsushi Hirukawa , Ryoichi Ito
IPC分类号： B60W10/04 , B60W10/06 , B60W10/10 , B60W10/11 , B63H21/21 , B63H21/22 , B63H23/08 , F16H59/68 , F16H61/04
CPC分类号： F16H59/68 , B63H21/213 , B63H21/28 , B63H23/08 , F16H63/502 , Y10T477/669
摘要： A shift assisting mechanism for assisting the shifting of a dog clutch of a marine transmission by reducing the engine speed. The requirement for engine speed reduction is sensed by a pressure sensitive conductive rubber type pressure sensing switch contained within the interconnection between the operator and the dog clutch.
摘要翻译： 一种换档辅助机构，用于通过降低发动机转速来辅助船用变速器的爪式离合器的换档。 发动机转速降低的要求是通过一个压力敏感的导电橡胶式压力感测开关来检测的。
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公开(公告)号：US4951640A
公开(公告)日：1990-08-28
申请号：US405565
申请日：1989-09-08
申请人： Itsushi Hirukawa , Satoshi Aoki , Noboru Kudoh
发明人： Itsushi Hirukawa , Satoshi Aoki , Noboru Kudoh
CPC分类号： F02P11/02 , F02P5/1504 , F02P9/005 , Y02T10/46
摘要： An ignition control system for an internal combustion engine of the type employed to power a watercraft wherein the engine speed is reduced upon the sensing of an abnormal engine condition. When the engine speed is reduced, the spark timing is also retarded to avoid backfiring in the exhaust system unless the engine conditions indicate that the exhaust gas temperatures might become too high under this retarded condition.
摘要翻译： 一种用于为船只供电的内燃机的点火控制系统，其中在感测到发动机异常情况时发动机转速降低。 当发动机转速降低时，除了发动机条件表明在这种延迟状态下排气温度可能变得过高的情况下，火花正时也被延迟以避免排气系统中的后燃。
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公开(公告)号：US4927390A
公开(公告)日：1990-05-22
申请号：US289982
申请日：1988-12-22
CPC分类号： F01N13/1805 , B63H20/245 , F01N13/12 , F02B61/045 , B63B2770/00
摘要： An inboard/outboard drive arrangement and specifically an improved exhaust joint therefor wherein at least one of the rigid conduits of the exhaust system is provided with a projection to engage and restrain a hose clamp which may be released and inadvertently dropped so as to prevent loss of the hose clamp into an inaccessible area.
摘要翻译： 内侧/外侧驱动装置，特别是改进的排气接头，其中，排气系统的刚性导管中的至少一个设置有突出部，用于接合和限制可能被释放并无意地掉落的软管夹，以防止 软管夹入无法进入的区域。
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