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    • 105. 发明申请
    • Solenoid valve
    • 电磁阀
    • US20070040139A1
    • 2007-02-22
    • US10578246
    • 2004-11-09
    • Tsuneo NiwaMasayuki WatanabeYukio OzawaShigenobu NishidaYasunori NishimuraAkiko Kosaka
    • Tsuneo NiwaMasayuki WatanabeYukio OzawaShigenobu NishidaYasunori NishimuraAkiko Kosaka
    • F16K31/02
    • F16K31/0655F16K31/0672
    • A solenoid valve capable of handling a corrosive control fluid and developing an increased attraction force. The solenoid valve 1 is adapted such that a fixed core is located in a wound coil 29 and protruding through the lower surface of the coil, a plunger 16 holding a valve sheet 17 is supported by a plate spring 18 under the fixed core, the valve sheet 17 is normally retained in contact with a valve seat 13 by spring force of the plate spring 18, and the valve sheet 17 is separated from the valve seat against the spring force of the plate spring 18 when the coil 29 is energized. The fixed core comprises two parts vertically coupled, an upper one of which is a first fixed core 26 located in the coil 29 in non-contact with the control fluid, the first fixed core being made of a material having high magnetic permeability, and a lower one of which is a second fixed core 27 fitted, protruding downward, in the coil bobbin to cover the lower end of the coil bobbin, the second fixed core being made of a material having corrosion resistance to the high-corrosive control fluid.
    • 一种能够处理腐蚀性控制流体并产生增加的吸引力的电磁阀。 电磁阀1适于使得固定芯位于缠绕的线圈29中并且突出通过线圈的下表面,保持阀片17的柱塞16由固定芯下的板簧18支撑,阀 板17通常通过板簧18的弹力保持与阀座13接触,并且当线圈29通电时,阀片17克服板簧18的弹簧力与阀座分离。 固定芯包括垂直联接的两个部分,其中的一个是位于与控制流体不接触的线圈29中的第一固定芯26,第一固定芯由具有高磁导率的材料制成, 其中较低的一个是第二固定芯27,第二固定芯27在线圈架中向下突出,以覆盖线圈架的下端,第二固定芯由对高腐蚀性控制流体具有耐腐蚀性的材料制成。