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    • 36. 发明申请
    • VALVE SEAT BODY AND VALVE DEVICE
    • 阀座座和阀装置
    • US20130075644A1
    • 2013-03-28
    • US13699247
    • 2011-08-11
    • Yutaka SuzukiKaoru NomichiMakoto Ninomiya
    • Yutaka SuzukiKaoru NomichiMakoto Ninomiya
    • F16K27/00
    • F16K27/00F02M21/0254F02M21/0257F02M21/0263F16K1/422F16K17/30F16K27/029F16K31/0655Y02T10/32
    • A valve device includes a valve body and a valve seat body. The valve seat body has a thick cylindrical shape extending in an axis line direction. The valve seat body includes a seal groove on an outer periphery thereof, the seal groove extending in a circumferential direction. The valve seat body includes a large-diameter portion and a small-diameter portion on an inner periphery thereof, the large-diameter and small-diameter portions connected to each other in the axis line direction. The valve seat body includes a valve seat portion between the large-diameter and small-diameter portions, the valve body being seated on the valve seat portion. The position of the seal groove in the axis line direction coincides with the position of the valve seat portion in the axis line direction or is located on a high-pressure side of the position of the valve seat portion in the axis line direction.
    • 阀装置包括阀体和阀座体。 阀座体具有沿轴线方向延伸的厚圆柱形状。 阀座体的外周具有密封槽,密封槽沿圆周方向延伸。 阀座体在其内周部具有大直径部和小径部,大直径部和小直径部在轴线方向上相互连接。 阀座体包括在大直径部分和小直径部分之间的阀座部分,阀体位于阀座部分上。 密封槽的轴线方向的位置与阀座部的轴线方向的位置一致,或者位于阀座部的轴线方向位置的高压侧。