Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine
    1.
    发明授权
    Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine 有权
    轴封机构,轴封机构装配结构和大型流体机

    公开(公告)号:US07226053B2

    公开(公告)日:2007-06-05

    申请号:US10848315

    申请日:2004-05-19

    CPC分类号: F16J15/3292 F16J15/4472

    摘要: A shaft seal mechanism (leaf seal) by which a desired seal performance can be stably obtained is provided. The shaft seal mechanism comprises a concave groove 71 formed larger than a minimum size of a plate width of thin plates 29 and a fitting piece 61 fitted in a gap between the concave groove 71 and a leaf seal 25. The leaf seal 25 comprises an annular thin plate assembly 29A constructed by the thin plates 29 and a plate spring 56 integrally formed therewith supporting the annular thin plate assembly 29A to be levitated coaxially with a rotating shaft 23. The thin plates 29 have their outer circumferential proximal end side made movable relative to the concave groove 71. A shaft seal mechanism assembling structure is also provided comprising a pressure receiving surface 61b and a lower pressure side plate 54 forming a predetermined gap size between the pressure receiving surface 61b and one side edges of the thin plates 29.

    摘要翻译: 提供了可以稳定地获得期望的密封性能的轴封机构(叶密封件)。 轴封机构包括形成为比薄板29的板宽度的最小尺寸大的凹槽71以及装配在凹槽71和叶片密封件25之间的间隙中的嵌合件61。 叶片密封件25包括由薄板29构成的环形薄板组件29A和与其一体形成的平板弹簧56,支撑与旋转轴23同轴悬挂的环形薄板组件29A。 薄板29的外周近端侧相对于凹槽71可移动。 还提供了一种轴封机构组装结构,包括受压表面61b和在压力接收表面61b和薄板29的一个侧边缘之间形成预定间隙尺寸的下压侧板54。

    Shaft sealing mechanism
    2.
    发明授权
    Shaft sealing mechanism 有权
    轴封机构

    公开(公告)号:US08025296B2

    公开(公告)日:2011-09-27

    申请号:US11584670

    申请日:2006-10-23

    IPC分类号: F16J15/447

    摘要: In a shaft sealing mechanism which prevents fluid from flowing in an axial direction of a rotor through an annular gap between the rotor and a stator, there are provided a high pressure side plate positioned on a high pressure side region of a plurality of sheets, and a low pressure side plate positioned on a low pressure side region of the plurality of sheets, and construction is such that in a state in which the plurality of sheets is fixed on a stator side, and when under gas pressure, the sheets make contact with each other.

    摘要翻译: 在防止流体通过转子和定子之间的环形间隙流过转子轴向的轴封机构中,设置有位于多个片材的高压侧区域的高压侧板, 位于多个片材的低压侧区域的低压侧板,其结构是在多个片材固定在定子侧的状态下,在气体压力下,片材与 彼此。

    Shaft sealing mechanism
    4.
    发明申请
    Shaft sealing mechanism 有权
    轴封机构

    公开(公告)号:US20070102886A1

    公开(公告)日:2007-05-10

    申请号:US11584670

    申请日:2006-10-23

    IPC分类号: F01D11/02

    摘要: There is provided a shaft sealing mechanism in which, even in a case where eccentricity occurs in a parent machine, flutter behavior of the sheets can be reliably prevented, the sheets can be prevented from failing due to fatigue, and also a long life and reliability of the shaft sealing mechanism can be improved. In a shaft sealing mechanism which prevents fluid from flowing in an axial direction of a rotor through an annular gap between the rotor and a stator, there are provided a high pressure side plate positioned on a high pressure side region of a plurality of sheets, and a low pressure side plate positioned on a low pressure side region of a plurality of sheets, and the construction is such that in a state in which the plurality of sheets is fixed on the stator side, and when under gas pressure, the parts make contact with each other.

    摘要翻译: 提供了一种轴密封机构,即使在母机中发生偏心的情况下,也可以可靠地防止片材的颤动现象,能够防止片材因疲劳而发生故障,寿命长,可靠性高 的轴封机构可以提高。 在防止流体通过转子和定子之间的环形间隙流过转子轴向的轴封机构中,设置有位于多个片材的高压侧区域的高压侧板, 位于多个片材的低压侧区域的低压侧板,其结构是在多个片材固定在定子侧的状态下,并且当处于气体压力下时,部件接触 与彼此。

    Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine
    5.
    发明申请
    Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine 有权
    轴封机构,轴封机构装配结构和大型流体机

    公开(公告)号:US20050012275A1

    公开(公告)日:2005-01-20

    申请号:US10848315

    申请日:2004-05-19

    IPC分类号: F16J15/32

    CPC分类号: F16J15/3292 F16J15/4472

    摘要: A shaft seal mechanism (leaf seal) by which a desired seal performance can be stably obtained is provided. The shaft seal mechanism comprises a concave groove 71 formed larger than a minimum size of a plate width of thin plates 29 aid a fitting piece 61 fitted in a gap between the concave groove 71 and a leaf seal 25. The leaf seal 25 comprises an annular thin plate assembly 29A constructed by the thin plates 29 and a plate spring 56 integrally formed therewith supporting the annular thin plate assembly 29A to be levitated coaxially with a rotating shaft 23. The thin plates 29 have their outer circumferential proximal end side made movable relative to the concave groove 71. A shaft seal mechanism assembling structure is also provided comprising a pressure receiving surface 61b and a lower pressure side plate 54 forming a predetermined gap size between the pressure receiving surface 61b and one side edges of the thin plates 29.

    摘要翻译: 提供了可以稳定地获得期望的密封性能的轴封机构(叶密封件)。 轴密封机构包括形成为比薄板29的板宽度的最小尺寸大的凹槽71,其有助于装配在凹槽71和叶片密封件25之间的间隙中的装配件61.叶片密封件25包括环形 由薄板29构成的薄板组件29A和与其一体形成的平板弹簧56,其支撑环形薄板组件29A以与旋转轴23同轴地悬挂。薄板29的外周近端侧可相对于 还设置有轴密封机构组装结构,其包括压力接收表面61b和在压力接收表面61b和薄板29的一个侧边缘之间形成预定间隙尺寸的下压侧板54。