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公开(公告)号：US4448461A
公开(公告)日：1984-05-15
申请号：US358683
申请日：1982-03-16
Applicant: Dennis L. Otto
Inventor： Dennis L. Otto
CPC classification number: F16J15/3268 , F16C19/364 , F16C33/726 , F16C33/7813 , F16C33/7886
Abstract: A seal for closing a bearing cavity that has a bore and a wear surface at its end includes an elastomeric retaining band that fits snugly against the wall of the bore, an elastomeric seal lip that contacts the wear surface and creates a barrier to the passage of fluid along that surface as the surface rotates relative to the seal or vice-versa, and an impervious connecting section that extends between the retaining band and the seal lip. The retaining band contains several axially directed channels that communicate with the bearing cavity and are normally closed and isolated from the ambient atmosphere by flaps which are formed integral with the band and are highly flexible. As a consequence, the flaps will flex when subjected to a slight increase in pressure within the bearing cavity so as to expose the channels to the ambient atmosphere and thereby vent the bearing cavity.
Abstract translation: 用于封闭具有孔的轴承腔和在其端部具有磨损表面的密封件包括弹性体保持带，该弹性体保持带紧密地配合在孔的壁上，弹性密封唇与接触磨损表面并形成阻挡层 当表面相对于密封件旋转时，沿着该表面的流体，反之亦然，以及在保持带和密封唇之间延伸的不可渗透的连接部分。 保持带包含若干轴向定向的通道，其与轴承腔相连通，并且通常通过与带一体形成并且具有高度柔性的襟翼与环境大气隔离。 因此，当轴承腔内的压力受到轻微的增加时，翼片将弯曲，以便将通道暴露于环境大气中，从而排出轴承腔。
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公开(公告)号：US4399998A
公开(公告)日：1983-08-23
申请号：US334740
申请日：1981-12-28
Applicant: Dennis L. Otto
Inventor： Dennis L. Otto
CPC classification number: F16J15/3244 , F16C19/34 , F16C33/726 , F16C33/7813 , F16C33/7823 , F16C33/7876 , F16J15/164 , F16J15/3204
Abstract: An elastomeric seal lip contacts a cylindrical wear surface along a sealing edge formed by the convergence of two conical surfaces on the seal lip, and accordingly a region behind the seal lip is isolated. On the conical surface that is presented away from the isolated region, the seal lip is provided with embossments that project toward, but normally do not contact the wear surface. However, when the seal lip is distorted by an increase in pressure within the isolated region, the embossments contact the wear surface and serve as fulcrums, enabling the entire lip to pivot sufficiently to lift the sealing edge away from the wear surface. This vents the isolated region and allows the seal lip to return to its normal configuration. The embossments may also function as elastohydrodynamic pumping elements.
Abstract translation: 弹性体密封唇缘沿着由密封唇缘上的两个锥形表面的会聚形成的密封边缘接触圆柱形磨损表面，因此密封唇后面的区域被隔离。 在远离隔离区域的锥形表面上，密封唇缘设置有凸起，但是通常不接触磨损表面。 然而，当密封唇由于隔离区域内的压力增加而变形时，凸起接触磨损表面并用作支点，使得整个唇缘能够充分枢转以将密封边缘远离磨损表面提升。 这使得隔离区域通风，并允许密封唇返回其正常配置。 压花也可以用作弹性流体动力泵送元件。
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公开(公告)号：US4336971A
公开(公告)日：1982-06-29
申请号：US172816
申请日：1980-07-28
Applicant: Gerhard Reiter
Inventor： Gerhard Reiter
CPC classification number: F16C33/7813 , B21B31/07 , F16C19/388 , F16C33/605 , F16C33/768 , F16C33/7886
Abstract: A multirow bearing for supporting a work or back-up roll of a rolling mill includes inner and outer races and tapered rollers arranged in two end rows and two intermediate rows between corresponding raceways on the inner and outer races. The inner race is a unitary structure, while the outer race is comprised of two double cups. The tapered rollers of the intermediate rows have their large ends presented toward each other and those ends bear against a center thrust rib that may be free to float in the axial direction so as to equalize radial loads between the rollers of the two intermediate rows. The radial clearance between these rollers and their respective raceways can be less than the clearance between the rollers of the end rows and their respective raceways so that the rollers of the intermediate rows carry most of the radial loading. Also, the rollers of the end rows can be at a steeper angle than the rollers of the intermediate rows, and are therefore better able to accommodate thrust loads and moments. The large ends of the rollers in the end rows bear against rib rings that are secured to the double cups of the outer race by seal cases which serve to unitize the bearing for handling purposes. Seal elements are bonded to the seal cases and they bear against the inner races to close the ends of the bearing.
Abstract translation: 用于支撑轧机的工作或后备辊的多轴承轴承包括在内圈和外圈之间的相应的滚道之间布置成两端列和两排中间排的内圈和外圈和圆锥滚子。 内圈是一个单一的结构，而外圈由两个双杯组成。 中间行的圆锥滚子具有彼此相对的大端部，并且这些端部抵靠可沿轴向自由浮动的中心推力肋，以平衡两个中间行的辊之间的径向载荷。 这些辊和它们各自的滚道之间的径向间隙可以小于端列的滚子与它们相应的滚道之间的间隙，使得中间行的滚子承载大部分的径向载荷。 此外，端列的辊子可以处于比中间排的辊更陡的角度，因此更好地适应推力载荷和力矩。 末端列中的辊的大端部承受通过用于将轴承整体化以用于处理目的的密封壳体固定到外圈的双杯的肋环。 密封元件结合到密封壳体上，并且它们抵靠内圈以封闭轴承的端部。
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公开(公告)号：US4203635A
公开(公告)日：1980-05-20
申请号：US927516
申请日：1978-07-24
Applicant: Gerhard Reiter
Inventor： Gerhard Reiter
CPC classification number: F16C19/386 , B60B27/001 , F16C33/585 , F16C35/06 , F16C43/04 , F16C2326/02
Abstract: In a wheel mounting a hub rotates within a steering knuckle or other carrier on a double row tapered roller bearing of the indirect configuration. This bearing includes a double cup that is fitted into the carrier, a pair of cones that are pressed over the hub, tapered rollers arranged in two rows between the opposed raceways of the cup and cones, and a cage for each row of rollers. The retaining ribs on the cones have beveled surfaces so that as the hub is withdrawn from the steering knuckle, in which case one of the cones will be carried along with the hub, the beveled surface on the cone that moves with the hub will deflect the small ends of its rollers outwardly to enable the cone to pass through the rollers and free itself from the cup without shearing off snap rings or similar devices that secure the cup in place.
Abstract translation: 在车轮安装中，轮毂在间接配置的双列圆锥滚子轴承内的转向节或其他承载件内旋转。 该轴承包括装配到载体中的双杯，在轮毂上挤压的一对锥体，在杯和锥体的相对的滚道之间布置成两排的锥形滚子，以及用于每排滚子的保持架。 锥体上的保持肋具有倾斜的表面，使得当轮毂从转向节撤回时，在这种情况下，锥体将与轮毂一起承载，锥体上与轮毂一起移动的斜面将偏转 其辊的小端部向外以使得锥体能够穿过辊子并使其自由脱离杯而不剪切卡环或将杯子固定在适当位置的类似装置。
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公开(公告)号：US4085984A
公开(公告)日：1978-04-25
申请号：US811577
申请日：1977-06-30
Applicant: Robert W. Cameron
Inventor： Robert W. Cameron
CPC classification number: F16C25/083 , F16C19/543
Abstract: A high speed bearing assembly for supporting a shaft within a housing includes two single row tapered roller bearings mounted indirectly so as to in effect create a double row bearing which is capable of accommodating thrust loading in both axial directions, as well as radial loading. The cones of the two bearings are clamped tightly together on a shaft with their thrust ribs and back faces presented away from each other. The cups are fitted loosely into the housing with their back faces presented toward each other. The housing contains a rigid spacer which is interposed between the back faces of two cups, and the spacer carries springs which urge the cups away from each other. When a thrust load is applied to the shaft, one of the single row bearings will take that load, the particular bearing being dependent on the direction in which the load is applied. The cup for whichever bearing takes the thrust load bears against the spacer, and the rollers for that bearing have their large diameter end faces in contact with the cone thrust rib for a full 360.degree. so that all are oriented by the thrust rib. The rollers for the other bearing, that is the bearing that does not take the thrust load, are likewise oriented by the cone thrust rib of that bearing for a full 360.degree., since the springs in the spacer bear against the cup of that bearing, urging it away from the spacer so as to impose a light preload on the bearing.
Abstract translation: 用于在壳体内支撑轴的高速轴承组件包括间接安装的两个单列圆锥滚子轴承，从而实际上形成能够在两个轴向方向上容纳推力载荷以及径向载荷的双列轴承。 两个轴承的锥体紧紧地夹紧在一个轴上，其推力肋和背面彼此远离。 这些杯子宽松地安装在外壳中，其背面相互呈现。 壳体包含插入在两个杯的后表面之间的刚性间隔件，并且间隔件承载促使杯彼此远离的弹簧。 当推力负载施加到轴上时，单列轴承中的一个将承受该负载，特定轴承取决于施加负载的方向。 无论哪个轴承承受推力负载的杯子都抵靠在垫片上，用于该轴承的滚子的大直径端面与锥形推力肋接触一整个360度，使得所有的滚子都被推力肋定向。 用于另一个轴承的滚子，即不承受推力载荷的轴承同样由该轴承的锥形推力肋定向360度，因为间隔件中的弹簧抵靠该轴承的杯， 使其远离间隔件，以便在轴承上施加轻的预载荷。
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Patent Agency Ranking
公开(公告)号：US4043620A
公开(公告)日：1977-08-23
申请号：US690189
申请日：1976-05-26
Applicant: Dennis L. Otto
Inventor： Dennis L. Otto
CPC classification number: F16J15/3268 , F16C33/726 , F16C33/7813 , F16C33/7889 , F16C19/364 , F16C19/386 , Y10S277/928
Abstract: A seal for a tapered roller bearing has a seal case which fits onto the bearing cone and an elastomeric seal element which is bonded to the case and has a primary sealing lip in contact with the front face of the bearing cup. The seal case includes a doubled back axial portion which fits around the thrust rib on the cone and is composed of inner and outer segments joined together at a tight bend. The inner segment embraces the thrust rib and has an inwardly directed radial flange extended from it, this flange being positioned against the cone back face. The outer segment lies against the inner segment immediately beyond the tight bend and has an outwardly directed radial flange which aligns with the inwardly directed flange. The seal element projects outwardly from the outer flange. The axial installation force required to press the axial portion of the seal case over the thrust rib is applied to both flanges and hence is transmitted through both the inner and outer segments. This avoids bell mouthing of the seal case and the accompanying inclination of the seal element. It further improves retention, while permitting the seal case to be pressed over thrust ribs manufactured with liberal tolerances.
Abstract translation: 用于圆锥滚子轴承的密封件具有密封壳体，其适合于轴承锥体和弹性体密封元件，该密封件结合到壳体并具有与轴承杯的前表面接触的主密封唇缘。 密封壳包括一个双重的后轴向部分，其围绕锥体上的推力肋配合，并且由紧密弯曲连接在一起的内部和外部段组成。 内部段包围推力肋并且具有从其延伸的向内指向的径向凸缘，该凸缘抵靠锥形背面定位。 外部部分紧贴在紧密弯曲之后的内部部分上，并且具有与向内指向的凸缘对准的向外指向的径向凸缘。 密封元件从外凸缘向外伸出。 将密封壳体的轴向部分挤压在推力肋上所需的轴向安装力被施加到两个凸缘上，因此通过内部段和外部段传递。 这样可避免密封箱的喇叭口和密封元件的相应倾斜。 它进一步提高了保持力，同时允许密封箱被压制在宽敞公差制造的推力肋上。
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公开(公告)号：US20240154486A1
公开(公告)日：2024-05-09
申请号：US18493457
申请日：2023-10-24
Applicant: The Timken Company
Inventor： Randall W. Russell , Jan H. de Swardt
CPC classification number: H02K3/51 , H02K7/183 , H02K15/0006 , F03D9/25 , H02K2203/09
Abstract: A wound rotor for use in an electric machine. The wound rotor includes a winding overhang portion and a connection ring formed of a plurality of rectangular cross-section conductor sections connected in parallel, the connection ring disposed underneath the winding overhang portion. The wound rotor further includes a first plurality of conductor coils extending from the winding overhang portion and forming a star connection with the connection ring and a second plurality of conductor coils extending from the winding overhang portion to form a line connection.
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公开(公告)号：US11916448B2
公开(公告)日：2024-02-27
申请号：US17495215
申请日：2021-10-06
Applicant: The Timken Company
Inventor： Jan de Swardt
IPC: C08J5/24 , B32B27/20 , B32B27/38 , H02K15/12 , H02K3/30 , H02K15/10 , B29C70/86 , C08K7/18 , C09J163/00 , B29K105/16 , B29L31/00 , B29K709/10
CPC classification number: H02K15/12 , B29C70/86 , C08J5/245 , C08K7/18 , H02K3/30 , H02K15/105 , B29K2105/162 , B29K2709/10 , B29L2031/748 , C08J2363/00
Abstract: An insulation system of a current-carrying conductor of an electric machine. The insulation system comprises a thermally curable resin including a polymer resin matrix and a nanoparticulate filler. A mica paper or mica tape is impregnated with the thermally curable resin. The thermally curable resin comprises nanoparticulate filler, the total quantity of nanoparticulate filler being at least 0.1 wt % and not more than 0.5 wt %.
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公开(公告)号：US20240063698A1
公开(公告)日：2024-02-22
申请号：US18450899
申请日：2023-08-16
Applicant: The Timken Company
Inventor： Jan de Swardt , Martyn Widdowson
IPC: H02K15/04
CPC classification number: H02K15/045
Abstract: Transposition coils and insulation for transposition coils. One example provides a method including providing a first conductor and a second conductor in at least two separate stacks, the first conductor extending along a first axis and the second conductor extending along a second axis, forming a double stack, forming a bridge connection between the at least two separate stacks, providing each of the two separate stacks with a dedicated main wall insulation that encircles exactly one of the at least two separate stacks, and providing an outer main wall insulation that encircles the at least two separate stacks.
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公开(公告)号：US11378421B2
公开(公告)日：2022-07-05
申请号：US17101260
申请日：2020-11-23
Applicant: The Timken Company
Inventor： Alfred John Santos , Mark E. LaCroix , Lei Wang
IPC: G01D5/245
Abstract: A system for determining an absolute position of a device includes a high resolution track, a sensor and processing unit associated with the high resolution track, a reference track having a plurality of pole pairs arranged to define a plurality of single-track Gray code segments, and an array of Hall effect sensors associated with the reference track to output a reference signal to the sensor and processing unit indicative of the coarse absolute position of the device over the Gray code segments. A third track has at least one pole pair. At least one sensor associated with the third track outputs a signal used to determine a location within one of the plurality of Gray code segments. The sensor and processing unit combines the third track signal, the reference signal, and the position of the device over the high resolution track to determine an initial, fine absolute position.
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