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    • 2. 发明授权
    • Power steering device for outboard engine
    • 舷外发动机动力转向装置
    • US5387142A
    • 1995-02-07
    • US974115
    • 1992-11-10
    • Hisao TakayanagiYasuo Funami
    • Hisao TakayanagiYasuo Funami
    • B63H25/24B63H20/12F02B61/04B63H5/12
    • F02B61/045B63H21/265
    • A power steering device for steering an outboard engine on a small boat has a hydraulic cylinder unit for angularly moving a steering arm of the outboard engine, the hydraulic cylinder unit having a piston rod connected to the steering arm, and a directional control spool valve for supplying a hydraulic pressure to the hydraulic cylinder unit to move the piston rod. A control cable controls the directional control spool valve in response to operation of a steering wheel. The control cable has a core having an end coupled to the piston rod and a sheath covering the core and having an end coupled to the spool of the directional control spool valve. The hydraulic cylinder unit has a cylinder divided by a piston into a first oil chamber through which the piston rod extends and a second oil chamber remote from the piston rod. The directional control spool valve has an oil passage which interconnects the first and second oil chambers when the directional control valve supplies the hydraulic pressure to the second oil chamber.
    • 一种用于在小型船上转向舷外发动机的动力转向装置具有液压缸单元,用于使外侧发动机的转向臂成角度地移动,液压缸单元具有连接到转向臂的活塞杆,以及一个方向控制滑阀, 向液压缸单元供应液压以移动活塞杆。 响应于方向盘的操作,控制线缆控制方向控制滑阀。 控制电缆具有一端连接到活塞杆的芯部和一个覆盖芯体的护套,并具有一端部连接至方向控制滑阀的阀芯。 液压缸单元具有由活塞分隔成活塞杆延伸的第一油室和远离活塞杆的第二油室的圆筒。 方向控制滑阀具有油路,当方向控制阀向第二油室供应液压时,该通道将第一和第二油室相互连接。