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    • 4. 发明申请
    • MECHANICAL SEAL
    • 机械密封
    • US20160230892A1
    • 2016-08-11
    • US15022127
    • 2015-01-15
    • EAGLE INDUSTRY CO., LTD.
    • Akira YOSHINO
    • F16J15/16F16J15/36F16J15/34
    • F16J15/164F04D1/00F04D29/126F04D29/128F16J15/3448F16J15/3452F16J15/3464F16J15/348F16J15/36F16J15/38
    • The object of the present disclosure is to accomplish a stable sealing performance while maintaining the durability. A mating ring (120) includes a sliding portion (121) having a sliding surface that slides against a sealing ring (110) within an end surface on an atmosphere side (A) thereof in an axial direction of a shaft (200), and a retained portion (122) that extends from a radially outward end portion of the sliding portion (121) toward a sealed-fluid side (F) in the axial direction and is retained by a sleeve (130). A mechanical seal (100) includes an annular holder (500) that is fixed to the sleeve (130) receives pressure from an O-ring (140) that receives, from the sealed-fluid side (F) in the axial direction, a fluid pressure (P) of a fluid to be sealed that flew into a space created by a flange portion (132) of the sleeve (130) and the retained portion (122) of the mating ring (120).
    • 本公开的目的是在保持耐久性的同时实现稳定的密封性能。 配合环(120)包括滑动部分(121),滑动部分(121)具有在轴(200)的轴向方向上在气氛侧(A)的端表面内的密封环(110)滑动的滑动面,以及 保持部(122),其从所述滑动部(121)的径向向外的端部向轴向朝向密封流体侧(F)延伸并被套筒(130)保持。 机械密封件(100)包括环形保持器(500),其固定到套筒(130),从O形环(140)接收压力,该O形环从密封流体侧(F)沿轴向接收压力, 要被密封的流体的流体压力(P)飞入由套筒(130)的凸缘部分(132)和配合环(120)的保持部分(122)产生的空间中。