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    • 8. 发明授权
    • Valve plug for pressure regulator
    • 用于压力调节器的阀塞
    • US09360120B2
    • 2016-06-07
    • US14528701
    • 2014-10-30
    • EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC.
    • Kunrong Matthews
    • F16K1/46F16K47/04G05D16/18F16K1/34
    • F16K1/46F16K1/34F16K47/04G05D16/0658G05D16/185Y10T137/7793
    • A valve plug comprising a cylindrical body having an annular flange with a top surface, a bottom surface, and a circumference is disclosed. The valve plug further comprises an annular recess disposed in the bottom surface of the flange, and a plurality of holes disposed in the top surface of the flange. Each hole extends into the recess to create a plurality of channels extending between the bottom and top surfaces of the flange. Each channel of the plurality of channels includes a stepped portion. A polyurethane sealing member is disposed within each channel and includes: a top portion forming a continuous bond on the top surface and along the circumference of the flange; a central portion forming a horizontal bond on each stepped portion; and a bottom portion forming a sealing surface adapted to sealingly engage a seating surface of the seat.
    • 公开了一种阀塞,其包括具有顶表面,底表面和圆周的环形凸缘的圆柱体。 阀塞还包括设置在凸缘的底表面中的环形凹槽和设置在凸缘的顶表面中的多个孔。 每个孔延伸到凹部中以形成在凸缘的底表面和顶表面之间延伸的多个通道。 多个通道的每个通道包括阶梯部分。 聚氨酯密封件设置在每个通道内,包括:在顶部表面上并沿着凸缘的圆周形成连续接合的顶部部分; 在每个阶梯部分上形成水平结合的中心部分; 以及形成适于密封地接合座椅的座面的密封表面的底部。
    • 10. 发明授权
    • Valve body and seal assembly
    • 阀体和密封组件
    • US09291274B1
    • 2016-03-22
    • US13899112
    • 2013-05-21
    • Novatech Holdings Corp.
    • George H. Blume
    • F16K1/42F16K1/46
    • F16K1/46F16K1/36F16K15/063F16K25/005Y10T137/7868
    • A valve body and seal assembly comprises at least one seal and a valve body that may include a frusto-conical valve body impact area (also referred to as a valve seat contact portion) for sealing against a valve seat. In one embodiment, the at least one seal may comprise a first and second seal sections that comprise first and second elastomers, respectively, and an intra-seal interface where the first seal section may contact the second seal section. The first seal section may comprise a first frusto-conical seal portion, and the second seal section may comprise a second frusto-conical seal portion, each for sealing against the valve seat. A method for making a valve body and seal assembly is also provided. First and second elastomers may be crosslinked. The intra-seal interface may be planar or non-planar (i.e., may comprise, e.g., a cylindrical portion and/or a frusto-conical portion).
    • 阀体和密封组件包括至少一个密封件和阀体,阀体可以包括用于密封阀座的截头圆锥形阀体冲击区域(也称为阀座接触部分)。 在一个实施例中,所述至少一个密封件可包括分别包括第一和第二弹性体的第一密封部分和第二密封部分以及第一密封部分可接触第二密封部分的内部密封界面。 第一密封部分可以包括第一截头圆锥形密封部分,并且第二密封部分可以包括第二截头圆锥形密封部分,每个密封部分用于密封阀座。 还提供了一种用于制造阀体和密封组件的方法。 第一和第二弹性体可以是交联的。 内密封界面可以是平面的或非平面的(即,可以包括例如圆柱形部分和/或截头圆锥形部分)。