公开(公告)号：US20050230923A1

公开(公告)日：2005-10-20

申请号：US11079112

申请日：2005-03-15

申请人： Koji Kametaka ,  Kenji Kiryu

发明人： Koji Kametaka ,  Kenji Kiryu

IPC分类号： F16J15/34 ,  F16J15/38 ,  F16L3/04

CPC分类号： F16J15/3476 ,  F16J15/348 ,  F16J15/38 ,  Y10T29/49297 ,  Y10T29/4987 ,  Y10T29/49872 ,  Y10T29/49945 ,  Y10T29/49952

摘要： A primary technical goal of a mechanical seal device of the present invention is to decrease assembly cost thereof as well as machining cost thereof and to prevent wear of seal surfaces by preventing occurrence of squealing noises of the seal surfaces. The mechanical seal device comprises a first seal ring which is one of a pair of seal rings and disposes an engagement portion at the outer circumferential surface, a retainer ring which has a first support portion supporting an inner diameter surface of the first seal ring and a second support portion engaging the engagement portion and is fixed with either a seal housing or a shaft, and a gasket which joins the retainer ring and the first seal ring in a sealing manner, wherein an engagement clearance (C) formed in a rotational direction between the engagement portion and the second support portion is within 0.5 mm.

摘要翻译： 本发明的机械密封装置的主要技术目标是降低其组装成本以及其加工成本，并且通过防止密封表面的尖叫噪声的发生来防止密封表面的磨损。 机械密封装置包括：第一密封环，其是一对密封环中的一个，并且在外周面处设置接合部;保持环，其具有支撑第一密封环的内径表面的第一支撑部和 第二支撑部分接合接合部分并且用密封壳体或轴固定，以及垫圈，其以密封方式接合保持环和第一密封环，其中，沿旋转方向形成的接合间隙（C） 接合部和第二支撑部在0.5mm以内。

公开(公告)号：US5873574A

公开(公告)日：1999-02-23

申请号：US683733

申请日：1996-07-18

申请人： Yoram Ringer

发明人： Yoram Ringer

IPC分类号： F16J15/34 ,  F16J15/36

CPC分类号： F16J15/3476 ,  F16J15/3484 ,  F16J15/363 ,  Y10S277/929

摘要： A seal for sealing a low pressure area from a high pressure area for containing a process fluid. The high pressure area is located along a rotatable shaft extending from a machine body. The seal includes an outboard seal positioned along the shaft, and an inboard seal axially spaced along the shaft from the outboard seal. An annular chamber is defined between the inboard seal and the outboard seal for containing a buffer fluid. The inboard seal includes a stationary assembly attached to the machine body. The stationary assembly includes a stationary seal ring having a stationary sealing face, and a first secondary seal between the stationary seal ring and the housing. The inboard seal further includes a rotating assembly attached to the shaft. The rotating assembly includes a rotating seal ring having a rotating sealing face in sealing relation with the stationary sealing face and a second secondary seal between the rotating seal ring and the shaft. The first and second secondary seals define fluid pressure barriers for causing axial movement of at least a portion of the stationary assembly and maintaining the sealing relation of the rotating and stationary sealing faces when the pressure of the buffer fluid is less than the pressure of the process fluid.

摘要翻译： 用于将低压区域从用于容纳工艺流体的高压区域密封的密封件。 高压区域沿着从机体延伸的可旋转轴定位。 密封件包括沿着轴定位的外侧密封件以及沿轴向与外侧密封件轴向间隔开的内侧密封件。 在内侧密封件和外侧密封件之间限定一个环形室，用于容纳缓冲液。 内侧密封件包括附接到机体的固定组件。 固定组件包括具有静止密封面的静止密封环和固定密封环与壳体之间的第一次级密封。 内侧密封件还包括附接到轴的旋转组件。 旋转组件包括旋转密封环，旋转密封环具有与固定密封面密封关系的旋转密封面和旋转密封环与轴之间的第二次级密封。 第一和第二二次密封件限定流体压力屏障，用于当缓冲流体的压力小于该过程的压力时，引起固定组件的至少一部分的轴向移动并保持旋转和静止的密封面的密封关系 流体。

公开(公告)号：US5758880A

公开(公告)日：1998-06-02

申请号：US703949

申请日：1996-08-28

申请人： Kevin F. Ice ,  Robert S. Holt

发明人： Kevin F. Ice ,  Robert S. Holt

IPC分类号： F16J15/34 ,  F16J15/36 ,  F16J15/38

CPC分类号： F16J15/3476 ,  F16J15/348 ,  F16J15/36

摘要： A self piloting seal assembly for use on a rotatable shaft pump unit, the seal assembly including a seal head assembly in constant contact with a seal seat assembly. The seal head assembly includes an elastomer boot, a spring seat, a ferrule and a spring all disposed around a seal washer. The seal seat assembly includes a ceramic radial seal seat disposed within an elastomer boot member. The seal washer is in constant contact with the seal seat assembly to prevent leakage of any fluid between and around the shaft member.

摘要翻译： 一种用于可旋转轴泵单元的自引导密封组件，所述密封组件包括与密封座组件恒定接触的密封头组件。 密封头组件包括弹性体护罩，弹簧座，套圈和全部设置在密封垫圈周围的弹簧。 密封座组件包括设置在弹性体靴构件内的陶瓷径向密封座。 密封垫圈与密封座组件保持恒定接触，以防止轴构件之间和周围的任何流体泄漏。

公开(公告)号：US20170097095A1

公开(公告)日：2017-04-06

申请号：US15316894

申请日：2015-06-02

申请人： EAGLE INDUSTRY CO., LTD.

发明人： Tetsuya IGUCHI

IPC分类号： F16J15/34 ,  F16J15/36

CPC分类号： F16J15/3448 ,  F16J15/3476 ,  F16J15/36 ,  F16J15/366 ,  F16J15/46

摘要： A mechanical seal (100) is configured such that an annular sealed space (S1) is formed by a first bellows (141), a second bellows (151), and members respectively provided on both end sides of the first bellows (141) and the second bellows (151), and that the first bellows (141) and the second bellows (151) expand and contract in a central axial direction of a rotating shaft (200) in accordance with fluid pressure inside the sealed space (S1). The first bellows (141) and the second bellows (151) are arranged at positions distant to each other in the central axial direction, and are arranged such that a part of the first bellows (141) on a radially inward side and a part of the second bellows (151) on a radially outward side overlap when viewed in the central axial direction.

公开(公告)号：US08919779B2

公开(公告)日：2014-12-30

申请号：US14081564

申请日：2013-11-15

申请人： Rolls-Royce PLC

发明人： Ingo Henry Johannes Jahn

IPC分类号： F16J15/00 ,  F16J15/34

CPC分类号： F16J15/3476 ,  F16J15/3468

摘要： There is disclosed a rotary air-riding seal between a first structure and an adjacent second structure, including: first and second seal members defining respective seal surfaces facing to one another. The first seal member is provided on the first structure and the second seal member is mounted to the second structure towards the first seal member. At least one of said seal members is configured to generate a riding film of air between said seal surfaces. One of said seal members is supported for axial oscillation relative to the other seal member by a secondary support arrangement configured to bias said seal member towards the other seal member. The said secondary support arrangement accommodates relatively high frequency axial movements between the seal members.

摘要翻译： 公开了一种在第一结构和相邻的第二结构之间的旋转式空气调节密封件，包括：限定彼此面对的相应密封表面的第一和第二密封构件。 第一密封构件设置在第一结构上，第二密封构件朝向第一密封构件安装到第二结构。 所述密封构件中的至少一个构造成在所述密封表面之间产生空气搭载膜。 所述密封构件中的一个通过辅助支撑装置相对于另一个密封构件被支撑为轴向振动，所述辅助支撑构造构造成朝向另一个密封构件偏压所述密封构件。 所述第二支撑装置在密封构件之间容纳相对高频率的轴向运动。

公开(公告)号：US08074997B2

公开(公告)日：2011-12-13

申请号：US12944973

申请日：2010-11-12

申请人： Glenn M. Garrison ,  Alan D. McNickle ,  Diane McNickle, legal representative

发明人： Glenn M. Garrison ,  Alan D. McNickle

IPC分类号： F16J15/00 ,  F16J15/447

CPC分类号： F01D11/001 ,  F01D11/02 ,  F16J15/164 ,  F16J15/3448 ,  F16J15/3476 ,  F16J15/4472 ,  Y02T50/671

摘要： An improved air-riding seal system for turbine engines is presented. The seal system includes a movable primary seal assembly, a stationary secondary seal assembly, and at least one structure to increase the stiffness of a thin film between the primary seal and a rotating component. The primary seal assembly includes an annular seal ring and an arcuate support arm. The annular seal ring has a cross section that is substantially L-shaped and a surface with a step face and a circumferential dam. The arcuate support arm has a tooth at one end adjacent to an outermost circumferential surface along the seal runner, which could include an optional notch. The tooth and outermost circumferential surface are separated by a gap. The secondary seal ring is disposed between and contacts the primary seal assembly and housing structure so as to form a bore seal and a face seal therewith. A plurality of hydrodynamic pockets disposed along the circumferential dam and/or a plurality of radial dams disposed along the surface in an outward radial arrangement from the circumferential dam are provided to improve the stiffness of the thin film. Features of the invention allow for higher operating speeds.

公开(公告)号：US20110057396A1

公开(公告)日：2011-03-10

申请号：US12944973

申请日：2010-11-12

申请人： Glenn M. Garrison ,  Alan D. McNickle ,  Diane McNickle

发明人： Glenn M. Garrison ,  Alan D. McNickle ,  Diane McNickle

IPC分类号： F16J15/44

CPC分类号： F01D11/001 ,  F01D11/02 ,  F16J15/164 ,  F16J15/3448 ,  F16J15/3476 ,  F16J15/4472 ,  Y02T50/671

摘要： An improved air-riding seal system for turbine engines is presented. The seal system includes a movable primary seal assembly, a stationary secondary seal assembly, and at least one structure to increase the stiffness of a thin film between the primary seal and a rotating component. The primary seal assembly includes an annular seal ring and an arcuate support arm. The annular seal ring has a cross section that is substantially L-shaped and a surface with a step face and a circumferential dam. The arcuate support arm has a tooth at one end adjacent to an outermost circumferential surface along the seal runner, which could include an optional notch. The tooth and outermost circumferential surface are separated by a gap. The secondary seal ring is disposed between and contacts the primary seal assembly and housing structure so as to form a bore seal and a face seal therewith. A plurality of hydrodynamic pockets disposed along the circumferential dam and/or a plurality of radial dams disposed along the surface in an outward radial arrangement from the circumferential dam are provided to improve the stiffness of the thin film. Features of the invention allow for higher operating speeds.

摘要翻译： 提出了一种改进的涡轮发动机气垫密封系统。 密封系统包括可移动主密封组件，固定二次密封组件和至少一个结构，以增加主密封件和旋转部件之间的薄膜的刚度。 主密封组件包括环形密封环和弓形支撑臂。 环形密封环具有大致L形的横截面和具有台阶面和周向坝的表面。 弓形支撑臂在一端附近具有齿，沿着密封流道的最外周表面，其可以包括可选的凹口。 齿和最外周表面被间隙隔开。 二次密封环设置在主密封组件和壳体结构之间并且与第一密封组件和壳体结构接触，以便与其形成孔密封件和面密封件。 提供沿着周向坝设置的多个流体动力袋和/或沿着从周向坝的向外径向布置设置的多个径向坝，以提高薄膜的刚度。 本发明的特征允许更高的操作速度。

公开(公告)号：US07870654B2

公开(公告)日：2011-01-18

申请号：US12540963

申请日：2009-08-13

申请人： Koji Kametaka ,  Kenji Kiryu

发明人： Koji Kametaka ,  Kenji Kiryu

IPC分类号： B23P11/02

CPC分类号： F16J15/3476 ,  F16J15/348 ,  F16J15/38 ,  Y10T29/49297 ,  Y10T29/4987 ,  Y10T29/49872 ,  Y10T29/49945 ,  Y10T29/49952

摘要： A primary technical goal of a mechanical seal device of the present invention is to decrease assembly cost thereof as well as machining cost thereof and to prevent wear of seal surfaces by preventing occurrence of squealing noises of the seal surfaces. The mechanical seal device comprises a first seal ring which is one of a pair of seal rings and disposes an engagement portion at the outer circumferential surface, a retainer ring which has a first support portion supporting an inner diameter surface of the first seal ring and a second support portion engaging the engagement portion and is fixed with either a seal housing or a shaft, and a gasket which joins the retainer ring and the first seal ring in a sealing manner, wherein an engagement clearance (C) formed in a rotational direction between the engagement portion and the second support portion is within 0.5 mm.

摘要翻译： 本发明的机械密封装置的主要技术目标是降低其组装成本以及其加工成本，并且通过防止密封表面的尖叫噪声的发生来防止密封表面的磨损。 机械密封装置包括：第一密封环，其是一对密封环中的一个，并且在外周面处设置接合部;保持环，其具有支撑第一密封环的内径表面的第一支撑部和 第二支撑部分接合接合部分并且用密封壳体或轴固定，以及垫圈，其以密封方式接合保持环和第一密封环，其中，在旋转方向上形成的接合间隙（C） 接合部和第二支撑部在0.5mm以内。

公开(公告)号：US06431551B1

公开(公告)日：2002-08-13

申请号：US09638897

申请日：2000-08-15

申请人： Toshihiko Fuse ,  Eiji Okumachi

发明人： Toshihiko Fuse ,  Eiji Okumachi

IPC分类号： F16J1538

CPC分类号： F16J15/342 ,  F16J15/3476

摘要： A non-contact-type mechanical seal that keeps a rotary seal ring 6 from vibrating in what is called a pneumatic hammer fashion. For this purpose, an annular space 23 is formed between an outer circumferential surface 21a of the rotary seal ring 6 and an inner circumferential surface 13a of a holder portion 13 of a spring retainer 5. The annular space 23 is sealed by a pair of O rings 22, 22. In addition, seal gas leading passages 24 are provided in the rotary seal ring 6 through which spaces between seal end faces 3a, 6a communicate with the annular space 23. Seal gas 8 is supplied to static pressure generating grooves 15, and led into the annular space 23 through seal gas leading passages 24. The seal gas presses O rings 22, 22 against the outer circumferential surfaces of the rotary seal ring 6 and the inner circumferential surface of the holder portion 13 of the spring retainer 5, thereby firmly holding the rotary seal ring 6.

摘要翻译： 一种非接触式机械密封，其使旋转密封环6以所谓的气动锤式方式振动。 为此，在旋转密封环6的外周面21a和弹簧保持器5的保持部13的内周面13a之间形成环状空间23.环状空间23被一对O 另外，密封气体导向通路24设置在旋转密封环6中，密封端面3a，6a之间的空间与环形空间23连通。密封气体8被供应到静压产生槽15， 并通过密封气体引导通道24引导到环形空间23中。密封气体将O形环22,22压靠在旋转密封环6的外周面和弹簧保持器5的保持部13的内周面上， 从而牢固地保持旋转密封环6。

公开(公告)号：US06422568B1

公开(公告)日：2002-07-23

申请号：US09925370

申请日：2001-08-10

申请人： Oleg M. Kotlyar

发明人： Oleg M. Kotlyar

IPC分类号： F16J1534

CPC分类号： F16J15/366 ,  F16J15/3476

摘要： An improved mechanical seal assembly is provided for sealing rotating shafts with respect to their shaft housings, wherein the rotating shafts are subject to substantial axial vibrations. The mechanical seal assembly generally includes a rotating sealing ring fixed to the shaft, a non-rotating sealing ring adjacent to and in close contact with the rotating sealing ring for forming an annular seal about the shaft, and a mechanical diode element that applies a biasing force to the non-rotating sealing ring by means of hemispherical joint. The alignment of the mechanical diode with respect to the sealing rings is maintained by a series of linear bearings positioned axially along a desired length of the mechanical diode. Alternative embodiments include mechanical or hydraulic amplification components for amplifying axial displacement of the non-rotating sealing ring and transfering it to the mechanical diode.

摘要翻译： 提供改进的机械密封组件用于相对于它们的轴壳体密封旋转轴，其中旋转轴受到显着的轴向振动。 机械密封组件通常包括固定到轴的旋转密封环，与旋转的密封环相邻并紧密接触的非旋转密封环，用于围绕轴形成环形密封;以及机械二极管元件，其施加偏压 通过半球形接头对非旋转密封环施力。 机械二极管相对于密封环的对准由沿着机械二极管的期望长度轴向定位的一系列直线轴承来维持。 替代实施例包括用于放大非旋转密封环的轴向位移并将其传递到机械二极管的机械或液压放大部件。