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    • 4. 发明授权
    • Electromagnetic control valve
    • 电磁调节阀
    • US07007917B2
    • 2006-03-07
    • US10780837
    • 2004-02-19
    • Jung Hoon ChoiYoung Joo YeeSeong Hyok KimIn Kyu KimByeong Hwa Chung
    • Jung Hoon ChoiYoung Joo YeeSeong Hyok KimIn Kyu KimByeong Hwa Chung
    • F16K31/08
    • F16K31/0655F16K31/082
    • An electromagnetic control valve having a permanent magnet and a needle are fitted in a cylindrical valve body, and a coil, and first and second yokes are mounted on an outside circumferential surface of the valve body. There are first and second ports in the valve body for making an outside space and an inside space of the valve body in communication. There is an orifice in the valve body for making the first and the second ports in communication. The needle is disposed at a position opposite to a side of the orifice, for moving in an up/down direction when a current is applied to the coil. Direction and amount of movement of the needle are dependent on a direction and an intensity of the current applied to the coil. When the needle moves, a tip of the needle varies an opened area of the orifice linearly, according to which a flow rate of the fluid passed through the orifice is controlled according to a position of the needle.
    • 具有永磁体和针的电磁控制阀装配在圆筒形阀体中,线圈和第一和第二轭安装在阀体的外周面上。 在阀体中有第一和第二端口用于使外部空间和阀体的内部空间连通。 在阀体中存在用于使第一和第二端口连通的孔口。 针设置在与孔的一侧相对的位置,用于当电流施加到线圈时沿上/下方向移动。 针的移动方向和移动量取决于施加到线圈的电流的方向和强度。 当针移动时,针的尖端线性地改变孔的开口面积,根据该尖端,通过孔的流体的流量根据针的位置被控制。