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    • 3. 发明申请
    • PUMPING SEAL HAVING PROJECTIONS FOR AXIALLY POSITIONING A BIASING MEMBER
    • 泵送密封件用于轴向定位偏心构件
    • WO2013096160A1
    • 2013-06-27
    • PCT/US2012/070011
    • 2012-12-17
    • AKTIEBOLAGET SKFEPSHETSKY, YefimPAYKIN, Alex
    • EPSHETSKY, YefimPAYKIN, Alex
    • F16J15/32
    • F16J15/3208F16J15/3212F16J15/3244
    • A seal assembly is for sealing between a housing and a rotary shaft includes an annular sealing member coupled with the housing and having inner and outer circumferential surfaces and a plurality of projections extending radially from the outer surface and spaced circumferentially about a central axis. Each projection has first and second axial ends and the plurality of projections define first and second projections. An annular biasing member is disposed about the sealing member outer surface and exerts an inwardly directed force on the sealing member. The biasing member has first and second ends and is arranged on the sealing member with the biasing member first end contacting the second end of each first projection and the biasing member second end contacting the first end of each second projection. As such, the biasing member extends axially and circumferentially between the first and second projections.
    • 密封组件用于在壳体和旋转轴之间进行密封,包括与壳体联接并具有内圆周表面和外圆周表面的环形密封构件和从外表面径向延伸并围绕中心轴线周向间隔开的多个凸起。 每个突起具有第一和第二轴向端部,并且多个突起限定第一和第二突起。 环形偏置构件围绕密封构件外表面设置并且向密封构件施加向内的力。 偏置构件具有第一端和第二端并且布置在密封构件上,偏置构件的第一端接触每个第一突起的第二端,并且偏压构件第二端接触每个第二突起的第一端。 这样,偏置构件在第一和第二突起之间沿轴向和周向延伸。
    • 4. 发明申请
    • PUMPING SEAL WITH ALIGNED SPRING
    • 泵送密封与对准弹簧
    • WO2013096119A1
    • 2013-06-27
    • PCT/US2012/069737
    • 2012-12-14
    • AKTIEBOLAGET SKFEPSHETSKY, YefimPAYKIN, Alex
    • EPSHETSKY, YefimPAYKIN, Alex
    • F16J15/32
    • F16J15/32F16J15/3208F16J15/3212F16J15/3244
    • A seal assembly for sealing a space between a housing and a rotary shaft includes a generally annular sealing member having a central axis and inner and outer circumferential surfaces extending about the axis, at least a portion of the inner surface providing a sealing surface engageable with the shaft outer surface so as to define a seal interface with opposing axial ends. The sealing surface is configured to direct substances entering the interface toward at least one of the axial ends. Further, an annular biasing member is disposed about the sealing member outer surface and configured to exert a radially-inwardly directed force on the sealing member so as to generate contact pressure within the seal interface. The biasing member is arranged on the sealing member such that at least a portion of the biasing member extends axially in general alignment with at least a portion of the sealing surface.
    • 用于密封壳体和旋转轴之间的空间的密封组件包括大致环形的密封构件,所述密封构件具有中心轴线和围绕所述轴线延伸的内外周表面,所述内表面的至少一部分提供可与 轴外表面,以便限定与相对的轴向端部的密封界面。 密封表面被构造成将进入界面的物质引向至少一个轴向端。 此外,环形偏置构件设置在密封构件外表面周围,并且构造成在密封构件上施加径向向内的力,以在密封界面内产生接触压力。 偏置构件设置在密封构件上,使得偏置构件的至少一部分与密封表面的至少一部分大致对准地轴向延伸。
    • 5. 发明申请
    • FLOATING WEAR SLEEVE ASSEMBLY FOR SHAFT SEALS
    • SHAFT密封件浮动磨损组件
    • WO2011031677A1
    • 2011-03-17
    • PCT/US2010/048003
    • 2010-09-07
    • SKF USA INC.EPSHETSKY, Yefim
    • EPSHETSKY, Yefim
    • F16J15/50
    • F16J15/3264F16J15/3224
    • A wear sleeve assembly for a seal on a shaft includes a sleeve having inner and outer circumferential surfaces, the outer surface being engageable by a seal inner surface at a contact location to prevent fluid flow between the seal inner surface and the sleeve outer surface. The sleeve inner surface defines a bore sized to receive a portion of the shaft with clearance. A coupler is configured to connect the sleeve with the shaft and provides a clearance space between the sleeve inner surface and a shaft outer surface at about the seal contact location. Thereby, the sleeve is adjustably positionable relative to the shaft so that the sleeve remains generally centered within the seal as the sleeve and shaft rotate about the axis. The coupler preferably includes an annular body with first and second axially-spaced, relatively displaceable sections for displacing the sleeve relative to the shaft.
    • 用于轴上的密封件的磨损套筒组件包括具有内圆周表面和外圆周表面的套筒,外表面可由接触位置处的密封件内表面接合,以防止流体在密封件内表面和套筒外表面之间流动。 套筒内表面限定了一个孔,其尺寸被设计成能够接收具有间隙的轴的一部分。 联接器被配置为将套筒与轴连接,并且在密封接触位置处在套筒内表面和轴外表面之间提供间隙空间。 由此,套筒可相对于轴可调节地定位,使得当套筒和轴围绕轴线旋转时,套筒保持大致在密封件的中心。 联接器优选地包括具有第一和第二轴向间隔开的相对可移位部分的环形体,用于使套筒相对于轴移动。
    • 6. 发明申请
    • PRESSURE RESISTANT STATIC AND DYNAMIC SEAL ASSEMBLY AND METHOD
    • 耐压静力和动力密封组件及方法
    • WO2013096115A1
    • 2013-06-27
    • PCT/US2012/069719
    • 2012-12-14
    • AKTIEBOLAGET SKFJÖNSSON, Sven AndersEPSHETSKY, YefimUNCAPHER, Bryan
    • JÖNSSON, Sven AndersEPSHETSKY, YefimUNCAPHER, Bryan
    • F16J15/32
    • F16J15/3404F16J15/164F16J15/44
    • A shaft sealing assembly for static and dynamic sealing includes a stator member attached to a housing and a rotor member attached to a shaft rotatable about an axis. The rotor member includes first and second pocket sections extending from upper and lower radial flanges extending in a cantilevered fashion from a tubular member. At least one static sealing member is attached to and encapsulates each pocket section. Each static sealing member presents a core portion and a pair of radial lips extending from the core portion. The stator member presents an annular wall extending to inner walls inclined conically to a central radial rim or flange separating two pocket portions and the static sealing members presenting a contact and frictionally engaging with the central radial rim as the rotor member is at a stand-still or static position.
    • 用于静态和动态密封的轴密封组件包括附接到壳体的定子构件和附接到可绕轴线旋转的轴的转子构件。 转子构件包括从悬臂式延伸的上部和下部径向凸缘从管状构件延伸的第一和第二凹部。 至少一个静态密封构件附接到每个口袋部分并且封装其中。 每个静态密封构件具有从芯部延伸的芯部分和一对径向唇部。 定子构件呈现一个环形壁,其延伸到内壁,该内壁与分离两个凹穴部分的中心径向边缘或凸缘倾斜,并且当转子构件处于静止状态时呈现接触并与中心径向边缘摩擦接合的静态密封构件 或静态位置。
    • 8. 发明申请
    • SEAL ASSEMBLY WITH EXPANDABLE SEALING MEMBER
    • 密封组件与可扩展的密封件
    • WO2015095551A1
    • 2015-06-25
    • PCT/US2014/071209
    • 2014-12-18
    • AKTIEBOLAGET SKFEPSHETSKY, YefimDOMINGUEZ, John, Manuel
    • EPSHETSKY, YefimDOMINGUEZ, John, Manuel
    • F16J15/02F16J15/32
    • F16J15/3276F16J15/3268
    • A seal assembly includes an annular sealing lip extending about a central axis and sealingly engageable with a shaft. An annular elastomeric base is disposed generally coaxially about and connected with the lip and has two opposing axial sides and an outer circumferential surface contactable with a housing inner circumferential surface. An expander device includes first and second clamp members, each disposed against a separate base inner portion axial side, and one or more couplers having an end coupled with a portion of the first clamp member and another end coupled with a portion of the second clamp member. Each coupler is configured to displace each connected clamp member portion generally axially toward the other clamp member portion to compress an inner portion of the base to displace an outer portion of the base generally radially outwardly such that the base outer surface sealingly engages the housing inner surface.
    • 密封组件包括围绕中心轴线延伸并且可与轴密封地接合的环形密封唇缘。 环形弹性体底座大致同轴地设置在唇缘上并与唇缘连接,并且具有两个相对的轴向侧面和与壳体内圆周表面可接触的外圆周表面。 膨胀器装置包括第一和第二夹紧构件,每个夹紧构件均设置成抵靠单独的基部内部轴向侧,以及一个或多个联接器,其具有与第一夹紧构件的一部分相连接的端部,另一端与第二夹紧构件的一部分 。 每个联接器构造成使每个连接的夹紧构件部分大致轴向移向另一个夹紧构件部分,以压缩基座的内部部分,以大致径向向外移动基座的外部部分,使得基座外表面密封地接合壳体内表面 。