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公开(公告)号：US11193528B2
公开(公告)日：2021-12-07
申请号：US16494434
申请日：2018-02-01
发明人： Chihiro Yoshimine , Tanehiro Shinohara , Tadasuke Nishioka , Shimpei Yokoyama , Takuzo Shigihara
摘要： A bearing pad for a tilting-pad bearing includes a first member having a bearing surface and a second member disposed on a back surface side of the first member. At least one of a back surface of the first member or a front surface of the second member facing the back surface of the first member has a recess for forming a cavity between the first member and the second member. Preferably, the bearing pad further includes a support member disposed on a back surface side of the second member and tiltably supporting the first member and the second member, and the recess is formed over at least a part of an installation range of the support member in a plan view of the bearing pad.
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公开(公告)号：US20140241877A1
公开(公告)日：2014-08-28
申请号：US14347457
申请日：2012-10-25
发明人： Hidekazu Uehara , Tanehiro Shinohara , Yukihiro Hashimoto , Shin Nishimoto , Takashi Nakano , Masato Aaki , Keita Takamura
CPC分类号： F01D11/001 , F02C7/28 , F05D2240/57 , F16J15/3292
摘要： A shaft sealing device is provided in an annular space between a rotor and a stator surrounding an outer periphery of the rotor, and divides the annular space in the direction of an axis of the rotor into a high-pressure region and a low-pressure region. The shaft sealing device includes a seal body obtained by stacking a plurality of thin plate sealing pieces in a circumferential direction of the rotor; and a high-pressure side plate that extends from the stator toward the radial inner side so as to run along the high-pressure side of the seal body, and is segmented into a plurality of portions in the circumferential direction, and includes a rigidity imparting member configured to impart rigidity in the direction of the axis to a portion of the surface of the high-pressure side plate that faces the high-pressure region.
摘要翻译： 轴封装置设置在转子与绕转子外周的定子之间的环形空间中，并将环状空间沿转子轴线方向分成高压区域和低压区域 。 轴封装置包括：密封体，其通过在转子的周向上堆叠多个薄板密封件而获得; 以及从定子向径向内侧延伸以沿着密封体的高压侧延伸的高压侧板，并且在圆周方向上分割成多个部分，并且包括刚性赋予 构件，其构成为在与高压区域相对的高压侧板的表面的一部分的轴线方向上赋予刚性。
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公开(公告)号：US09103223B2
公开(公告)日：2015-08-11
申请号：US14347457
申请日：2012-10-25
发明人： Hidekazu Uehara , Tanehiro Shinohara , Yukihiro Hashimoto , Shin Nishimoto , Takashi Nakano , Masato Araki , Keita Takamura
IPC分类号： F16J15/447 , F01D11/00 , F16J15/32 , F02C7/28
CPC分类号： F01D11/001 , F02C7/28 , F05D2240/57 , F16J15/3292
摘要： A shaft sealing device is provided in an annular space between a rotor and a stator surrounding an outer periphery of the rotor, and divides the annular space in the direction of an axis of the rotor into a high-pressure region and a low-pressure region. The shaft sealing device includes a seal body obtained by stacking a plurality of thin plate sealing pieces in a circumferential direction of the rotor; and a high-pressure side plate that extends from the stator toward the radial inner side so as to run along the high-pressure side of the seal body, and is segmented into a plurality of portions in the circumferential direction, and includes a rigidity imparting member configured to impart rigidity in the direction of the axis to a portion of the surface of the high-pressure side plate that faces the high-pressure region.
摘要翻译： 轴封装置设置在转子与绕转子外周的定子之间的环形空间中，并将环状空间沿转子轴线方向分成高压区域和低压区域 。 轴封装置包括：密封体，其通过在转子的周向上堆叠多个薄板密封件而获得; 以及从定子向径向内侧延伸以沿着密封体的高压侧延伸的高压侧板，并且在圆周方向上分割成多个部分，并且包括刚性赋予 构件，其构成为在与高压区域相对的高压侧板的表面的一部分的轴线方向上赋予刚性。
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公开(公告)号：US09841104B2
公开(公告)日：2017-12-12
申请号：US13755009
申请日：2013-01-31
IPC分类号： F01D11/02 , F16J15/32 , F16J15/3292 , F16J15/44 , F16J15/3288 , F01D11/00
CPC分类号： F16J15/32 , F01D11/001 , F01D11/025 , F05D2240/59 , F16J15/3288 , F16J15/3292 , F16J15/442
摘要： Provided is a shaft sealing apparatus, which includes a seal ring that is installed in an annular space between a rotor and a stator surrounding an outer circumference side of the rotor, that is formed in a divided structure from a movable seal ring and a stationary seal ring whose circumferential ends are adjacent to each other, and that is configured so that the movable seal ring is biased toward a radial outer side thereof by an elastic body, a seal body that is formed by stacking a plurality of thin seal pieces, which extend from the seal ring toward a radial inner side of the rotor, in a circumferential direction of the rotor, and a communicating part that causes the low-pressure side region and the high-pressure side region to communicate with each other.
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公开(公告)号：US09091348B2
公开(公告)日：2015-07-28
申请号：US13737115
申请日：2013-01-09
CPC分类号： F16J15/16 , F16J15/3292 , F16J15/442
摘要： A shaft sealing apparatus is installed in an annular space between a rotor and a stator in a rotating machine and divides the annular space into a low-pressure side region and a high-pressure side region in an axial direction of the rotor. The shaft sealing apparatus includes a seal body formed by stacking a plurality of thin seal pieces, which extend from the stator toward a radial inner side of the rotor, in a circumferential direction of the rotor, and lateral plates having a surface facing the axial direction and curved and extending in a circumferential direction of the annular space. The seal body is welded to the surfaces of the lateral plates which face the axial direction so that the seal body follows a curved shape of the lateral plates.
摘要翻译： 轴封装置安装在旋转机械中的转子与定子之间的环状空间内，将环状空间分割成转子轴向的低压侧区域和高压侧区域。 轴封装置包括密封体，该密封体通过在转子的周向上堆叠从定子向转子的径向内侧延伸的多个薄密封片而形成，并且具有面向轴向的表面的侧板 并且在环形空间的圆周方向上弯曲并延伸。 将密封体焊接到侧板的面向轴向的表面，使得密封体遵循侧板的弯曲形状。
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公开(公告)号：US08844288B2
公开(公告)日：2014-09-30
申请号：US13729648
申请日：2012-12-28
CPC分类号： F01K21/00 , F01D11/00 , F01D11/005 , F01D25/00 , F01D25/24 , F01K7/18 , F05D2240/55
摘要： A steam turbine facility is provided which is capable of appropriately sealing a gap between members made of cast material of Ni-based alloy even under the steam-temperature condition of 650° C. or higher, and which includes a first member and a second member whose base material is formed of cast material composed of at least one of Ni-based alloy, austenite steel, or high-chrome steel, form a space where the steam of 650° C. or higher flows. Between the first member and the second member, a metal gasket is provided which has a plurality of portions in line contact with the first member and the second member. On the first member and the second member, a first high-hardness layer which is harder than the base material, is provided at least in a portion where each of the first member and the second member is in line contact with the metal gasket.
摘要翻译： 提供一种蒸汽轮机设备，即使在650℃以上的蒸汽温度条件下也能适当地密封由Ni基合金的铸造材料构成的构件之间的间隙，并且包括第一构件和第二构件 其基材由由Ni基合金，奥氏体钢或高铬钢中的至少一种构成的铸造材料形成，形成650℃以上的蒸汽的空间。 在第一构件和第二构件之间设置有多个与第一构件和第二构件成直线接触的部分的金属衬垫。 在第一构件和第二构件上，至少在第一构件和第二构件中的每一个与金属衬垫直线接触的部分中设置比基材硬的第一高硬度层。
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公开(公告)号：US11536122B2
公开(公告)日：2022-12-27
申请号：US16793386
申请日：2020-02-18
IPC分类号： E21B43/12 , F04C13/00 , F04B53/20 , F04D13/08 , F04D29/046 , F04D29/041 , F04B47/06
摘要： An oil field pump is installed within a pipe that connects to an oil field, and feeds accumulated extraction oil in a predetermined direction, the oil filed pump including a rotor with an internal flow path for the extraction oil, a stator installed on the outer circumference of the rotor, a thrust bearing that supports the axial weight of the rotor and the stator, a supply pipe that supplies a portion of the extraction oil in the flow path to the thrust bearing, and a filter that is installed at further upstream on the flow path than the supply pipe along the flow direction of the extraction oil, and traps foreign matter.
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公开(公告)号：US11199077B2
公开(公告)日：2021-12-14
申请号：US16794389
申请日：2020-02-19
IPC分类号： E21B43/12 , F04D13/08 , F04D29/046 , H02K7/08 , F04D29/041
摘要： An oil field pump installed within a pipe that connects to an oil field, feeds accumulated extraction oil in a predetermined direction and includes a rotor, a stator mounted on the outer circumference of the rotor, a flow path for flow of the extraction oil connecting an area formed within the rotor to an area formed between the rotor and the stator, a thrust bearing that supports the axial weight of the rotor and the stator, and a supply pipe that supplies a portion of the extraction oil in the flow path to the thrust bearing. The thrust bearing includes a protrusion part fixed to the outer circumference of the rotor and rotating as one piece with the rotor, and a facing part fixed to the stator and facing opposite a surface in the axial direction of the protrusion.
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公开(公告)号：US09644744B2
公开(公告)日：2017-05-09
申请号：US15029052
申请日：2013-10-18
IPC分类号： F16J15/32 , F16J15/3292
CPC分类号： F16J15/3292
摘要： Disclosed is a shaft sealing device including: a housing in which an annular recessed portion is formed and which is fixed to a stator; a sealing body, a radially outer portion of which is accommodated by the annular recessed portion; and a high pressure-side sealing plate that is disposed along the sealing body in a high pressure region. An inflow groove is formed in any member of the housing, the high pressure-side sealing plate, and the sealing body such that a fluid flows through the sealing body from a low pressure region during a non-normal operation in which pressure in the high pressure region is higher than pressure in the high pressure region. A communication path is formed in the housing such that the inflow groove and a space in the high pressure region communicate with each other via the communication path.
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公开(公告)号：US09593588B2
公开(公告)日：2017-03-14
申请号：US13772873
申请日：2013-02-21
发明人： Hitoshi Morimoto , Keizo Tsukagoshi , Junichiro Masada , Tatsuji Takahashi , Masato Araki , Tanehiro Shinohara , Hidekazu Uehara
IPC分类号： F01D11/02 , F16J15/3288 , F04D29/10 , F16J15/32
CPC分类号： F01D11/02 , F04D29/10 , F04D29/102 , F05D2240/57 , F05D2250/75 , F16J15/3288
摘要： An inner wall surface of a low-pressure-side side plate opposite to a lateral surface of a thin plate is formed along a direction crossing an axial direction of a rotating shaft such that a gap between the inner wall surface and the thin plate gradually decreases from a radially inner side toward a radially outer side of the low-pressure-side side plate.
摘要翻译： 沿着与旋转轴的轴向交叉的方向形成与薄板的侧面相反的低压侧侧板的内壁面，使得内壁面与薄板之间的间隙逐渐减小 从低压侧侧板的径向内侧朝向径向外侧。
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