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    • 4. 发明公开
    • 스풀 밸브
    • 阀门
    • KR1020130088056A
    • 2013-08-07
    • KR1020130004956
    • 2013-01-16
    • 시케이디 가부시키가이샤
    • 이토오가즈토시히로세야스히사미나타니다카히로니시카와게이이치
    • F16K11/07F16K27/00
    • PURPOSE: A spool valve is provided to restrain the difference occurrence of precise flow control which is generated when an opening area of a port which becomes smaller. CONSTITUTION: A spool valve (11) comprises multiple ports, a valve chamber (24), and a spool (21). Fluid pass through the multiple ports. The valve chamber is connected to the multiple ports. The spool is installed to be movably slid inside the valve chamber. A closing unit which uses the outer circumferential surface to close the ports and an opening unit (43) which uses the outer circumferential surface to be recessed to open the port are contiguously in an axial direction. The spool has a bundle of opened ports which are opened by the opening unit and which are movable to an opening position connected by a connection path (38) in between the outer circumferential surface of the opening unit, and at least one port which is connected by the connection path and which is movable to the inner circumferential surface of the valve chamber. The grade of the second slope to the outer circumferential surface of the closing unit is larger than the grade of the first slope to the outer circumferential surface of the closing unit.
    • 目的:提供滑阀,以限制当端口的开口面积变小时产生的精确流量控制的差异发生。 构成:滑阀(11)包括多个端口,阀室(24)和阀芯(21)。 流体通过多个端口。 阀室连接到多个端口。 阀芯安装成可在阀室内移动滑动。 使用外周面封闭端口的封闭单元和使凹部外周面开口的开口单元(43)在轴向上是连续的。 阀芯具有一组打开的开口,其由开口单元打开并且可移动到通过开口单元的外周表面之间的连接路径(38)连接的打开位置,以及至少一个连接的端口 通过连接路径可移动到阀室的内周面。 关闭单元的外周面的第二斜坡的坡度大于关闭单元的第一倾斜度与外周面的坡度。