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    • 1. 发明授权
    • Boat propulsion unit and boat
    • 船推进单位和船
    • US08032271B2
    • 2011-10-04
    • US12033066
    • 2008-02-19
    • Makoto ItoYoshikazu Nakayasu
    • Makoto ItoYoshikazu Nakayasu
    • G06F17/00
    • B63H21/213
    • A boat is capable of preventing shocks on gears in meshing engagement with each other and an abrupt movement thereof when a remote control shift lever is quickly rotated to reverse from a cruising mode. A control microcomputer is arranged to control the operation of a shift actuator based on the displacement of a remote control shift lever for remotely switching between forward, neutral, and reverse positions. The control microcomputer has a shift detector arranged to detect whether a shift operation from the neutral position to the forward position or the reverse position was made based on a signal from a lever position sensor arranged to detect the position of the remote control shift lever; and a switch control which does not drive a shift motor when a shift operation from the neutral position to the forward position or the reverse position is detected by the shift detector and the engine rotational speed detected by the engine rotational speed sensor is higher than a prescribed value, and drives the shift motor and controls a shift operating device to start shifting when the engine rotational speed decreases to a value equal to or smaller than the prescribed value.
    • 当遥控变速杆快速旋转以从巡航模式反转时,船能够防止齿轮彼此啮合接合的冲击和突然移动。 控制微型计算机被设置为基于用于在前进位置,中立位置和后退位置之间远程切换的遥控变速杆的位移来控制换档致动器的操作。 控制微型计算机具有移动检测器,该移动检测器被布置为基于来自设置为检测遥控换档杆的位置的杆位置传感器的信号来检测是从空档位置向前方位置还是倒档位置的换档操作; 以及当通过换档检测器检测到从中立位置到前进位置或倒车位置的换档操作时不驱动换挡电动机的开关控制器,并且由发动机转速传感器检测到的发动机转速高于规定 并且当发动机转速降低到等于或小于规定值的值时,驱动换档电动机并控制变速操作装置开始变速。
    • 2. 发明授权
    • Fuel injected outboard motor
    • 燃油喷射舷外马达
    • US06227172B1
    • 2001-05-08
    • US09471886
    • 1999-12-23
    • Goichi KatayamaYoshikazu Nakayasu
    • Goichi KatayamaYoshikazu Nakayasu
    • F02M3704
    • F02D9/1095F02M35/10216F02M35/10308F02M35/1038F02M35/112F02M35/167F02M69/462F02M69/54F02M2200/24
    • An outboard motor has an induction system and a fuel supply system. The two systems are linked together to improve responsiveness of the fuel supply system based upon fluctuations in pressure within the induction system. The motor includes an induction air pressure detection system. The detection system comprises a pressure sensor and a connection to at least two different air intake pipes of the induction system. The connection between the sensor and the two pipes is configured such that the distance between the sensor and each of the pipes is the same. The detection system is configured to sample the pressure in multiple intake pipes associated with multiple cylinders using connecting conduits that have the same length from each intake pipe to the pressure sensor.
    • 舷外马达有一个感应系统和一个燃油供应系统。 两个系统连接在一起,以提高基于感应系统内的压力波动的燃料供应系统的响应性。 电动机包括感应气压检测系统。 检测系统包括压力传感器和与感应系统的至少两个不同进气管道的连接。 传感器和两个管之间的连接被配置为使得传感器与每个管之间的距离相同。 检测系统被配置为使用从每个进气管到压力传感器具有相同长度的连接管道来对与多个气缸相关联的多个进气管中的压力进行采样。
    • 7. 发明授权
    • Idle speed control for engine
    • 发动机空转速度控制
    • US06446599B1
    • 2002-09-10
    • US09422305
    • 1999-10-21
    • Yoshikazu Nakayasu
    • Yoshikazu Nakayasu
    • F02D4116
    • F02B61/045F02B75/20F02B2075/1816F02D31/005F02D41/0002F02M3/07Y02T10/42
    • An idle speed control for an engine includes an improved construction. An air induction system for the engine has a plurality of main air intake passages. Each one of the intake passages has its own throttle valve therein. An idle air manifold is disposed for supplying air charges to combustion chambers of the engine through delivery conduits. Amounts of air charges flowing therethrough is controlled by a feedback control system. The sum of cross-sectional areas of the delivery conduits is greater than a cross-sectional area of an inlet portion of the idle air manifold. The respective delivery conduits have restrictions upstream of junctions to the air intake passages.
    • 发动机的怠速控制包括改进的结构。 用于发动机的空气感应系统具有多个主进气通道。 每个进气通道中都有自己的节流阀。 设置怠速空气歧管,用于通过输送管道向发动机的燃烧室供应空气。 流过其中的空气的量由反馈控制系统控制。 输送管道的横截面面积的总和大于怠速空气歧管的入口部分的横截面面积。 相应的输送管道在到进气通道的接合点上游具有限制。
    • 9. 发明授权
    • Outboard drive lower unit
    • 舷外驱动器下部单元
    • US5820425A
    • 1998-10-13
    • US707654
    • 1996-09-04
    • Hiroshi OginoYoshikazu Nakayasu
    • Hiroshi OginoYoshikazu Nakayasu
    • B63H5/10B63H20/14B63H23/30F02B61/04B63H20/32
    • B63H20/245B63H21/28B63H23/30B63H5/10B63H2023/323B63H2023/327F02B61/045
    • A lower unit for an outboard drive has an elongated length in order to present a streamline shape while providing sufficient width to house a transmission for a counter-rotational propeller system with a forwardly-oriented clutch element. One of the clutch elements of the transmission lies in front of the transmission gears to increase the flow area through an exhaust discharge path behind the transmission. In order to accommodate this transmission structure, the lower unit has an increased with at a point forward of the associated drive shaft. The lower unit also has an increased length as measured from the drive shaft forward in order to present a streamline shape within the water. The elongated length of the lower unit also improves the directional and rolling stability of the outboard drive.
    • 用于外侧驱动器的下部单元具有细长的长度以便呈现流线形状,同时提供足够的宽度以容纳具有向前定向离合器元件的反向旋转螺旋桨系统的变速器。 变速器的离合器元件之一位于传动齿轮的前面,以增加通过传动装置后面的废气排放路径的流动面积。 为了适应这种传动结构,下部单元在相关联的驱动轴的前方的一点处增加。 下部单元还具有从驱动轴向前测量的增加的长度,以便在水中呈现流线形状。 下部单元的细长度也提高了舷外驱动器的方向和滚动稳定性。