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    • 32. 发明授权
    • Rotary shaft coupler with rotary valve plate position dependent on direction of shaft rotation
    • 旋转轴联轴器,旋转阀板位置取决于轴旋转方向
    • US06226988B1
    • 2001-05-08
    • US08924816
    • 1997-09-05
    • Tadahiko KatoKazuhisa ShimadaMasaki Nakamura
    • Tadahiko KatoKazuhisa ShimadaMasaki Nakamura
    • F16D3900
    • F16D31/08F16D31/02
    • A hydraulic power transmission joint provided with a rotary valve in which a first enclosing hole is bored and moreover, a first spool valve, a first spring, a first pin member and a first communicating hole are provided. Further, a second communicating hole is also provided therein in such a manner as to be coaxial with the first communication hole. Moreover, a second enclosing hole having a smaller diameter is bored therein. Furthermore, a second spool valve having a diameter smaller than that of the first spool valve, a second spring, a second pin member, a third communicating hole, a fourth communicating hole and an orifice are provided therein. Further, a valve element, whose position is controlled, is enclosed in a high-pressure chamber formed in the rotary valve. Additionally, a gap between a pin portion of the pin member for holding the valve element and a communicating hole, which provides communication from the high-pressure chamber to the enclosing hole for enclosing the pin member, is used as the orifice for generating fluid resistance. The orifice is communicates with the high-pressure chamber and is formed in a second-pin-member-side portion of the second enclosing hole; and an orifice which is provided between the third and fourth communicating holes and is adapted to be closed by a movement of the second spool valve and to generate fluid resistance by a flow of discharge oil caused by driving the plungers.
    • 一种液压传动接头,其设置有旋转阀,其中第一封闭孔是钻孔的,并且还设置有第一滑阀,第一弹簧,第一销构件和第一连通孔。 此外,第二连通孔也以与第一连通孔同轴的方式设置。 此外,在其中钻有具有较小直径的第二封闭孔。 此外,在其中设置直径小于第一滑阀,第二弹簧,第二销构件,第三连通孔,第四连通孔和孔口的直径的第二滑阀。 此外,其位置被控制的阀元件被封闭在形成在旋转阀中的高压室中。 此外,用于保持阀元件的销构件的销部分与提供从高压室到用于封闭销构件的封闭孔的连通的连通孔之间的间隙用作用于产生流体阻力的孔 孔与高压室连通并形成在第二封闭孔的第二销构件侧部分中。 该孔设置在第三连通孔和第四连通孔之间,并且适于通过第二滑阀的运动而闭合,并且由驱动柱塞引起的排出油流产生流体阻力。
    • 33. 发明授权
    • Rotary shaft coupler with rotary valve plate position dependent on
direction of shaft rotation
    • 旋转轴联轴器,旋转阀板位置取决于轴旋转方向
    • US5983635A
    • 1999-11-16
    • US923991
    • 1997-09-05
    • Tadahiko KatoKazuhisa ShimadaMasaki Nakamura
    • Tadahiko KatoKazuhisa ShimadaMasaki Nakamura
    • F16D31/02F16D31/08F16D39/00
    • F16D31/08F16D31/02
    • A hydraulic power transmission joint provided with a rotary valve in which a first enclosing hole is bored and moreover, a first spool valve, a first spring, a first pin member and a first communicating hole are provided. Further, a second communicating hole is also provided therein in such a manner as to be coaxial with the first communication hole. Moreover, a second enclosing hole having a smaller diameter is bored therein. Furthermore, a second spool valve having a diameter smaller than that of the first spool valve, a second spring, a second pin member, a third communicating hole, a fourth communicating hole and an orifice are provided therein. Further, a valve element, whose position is controlled, is enclosed in a high-pressure chamber formed in the rotary valve. Additionally, a gap between a pin portion of the pin member for holding the valve element and a communicating hole, which provides communication from the high-pressure chamber to the enclosing hole for enclosing the pin member, is used as the orifice for generating fluid resistance.The orifice is communicates with the high-pressure chamber and is formed in a second-pin-member-side portion of the second enclosing hole; andan orifice which is provided between the third and fourth communicating holes and is adapted to be closed by a movement of the second spool valve and to generate fluid resistance by a flow of discharge oil caused by driving the plungers.
    • 一种液压传动接头,其设置有旋转阀,其中第一封闭孔是钻孔的,并且还设置有第一滑阀,第一弹簧,第一销构件和第一连通孔。 此外,第二连通孔也以与第一连通孔同轴的方式设置。 此外,在其中钻有具有较小直径的第二封闭孔。 此外,在其中设置直径小于第一滑阀,第二弹簧,第二销构件,第三连通孔,第四连通孔和孔口的直径的第二滑阀。 此外,其位置被控制的阀元件被封闭在形成在旋转阀中的高压室中。 此外,用于保持阀元件的销构件的销部分与提供从高压室到用于封闭销构件的封闭孔的连通的连通孔之间的间隙用作用于产生流体阻力的孔 。 孔与高压室连通并形成在第二封孔的第二销构件侧部分中; 以及设置在第三连通孔和第四连通孔之间的孔,并且适于通过第二滑阀的运动而闭合,并且由驱动柱塞引起的排放油流产生流体阻力。