Abstract: An electric motor drive unit including an electric motor having an output shaft and a plurality of gears in driving engagement with the output shaft. The plurality of gears being supported by a plurality of laterally spaced bearings. A composite housing member includes a structural support skeleton supporting multiple ones of the plurality of laterally spaced bearings and a composite shell molded to the structural support skeleton.

Abstract: A gas bearing for a compressor includes a bearing portion and a sealing portion mounted to a bearing housing of the compressor via one or more dampers, and the sealing portion being fixedly connected to the bearing portion, and a vent with an inlet in the bearing. The bearing portion has an inner radial surface for radially supporting a shaft of the compressor. The sealing portion has a sealing surface. The inlet of the vent disposed between the inner radial surface and the sealing surface. The sealing surface and a rotating surface form a path that extends along the sealing surface. The path extending from a pressurized volume of the compressor to the vent, and the pressurized volume containing a fluid.

Abstract: A bearing fastening ring used in rotating electrical machines that is able to receive bearings of several diameters when the ring is positioned over a shaft. The bearing fastening ring includes a semi-circular element, scaling profiles of different diameters to accommodate different sizes of bearing, grounding ring apertures in the semi-circular element, cover assemblies extending out from the outer diameter of the semi-circular element, and bracket assemblies extending out from the outer diameter of the semi-circular element.

Abstract: A bearing assembly unit (5) includes an outer holder (10) configured with a cylindrical member; an inner holder (20) that is configured with a cylindrical member, and inserted into an inner circumferential surface of the outer holder (10) so as to be movable in an axial direction; and a rolling bearing element (30) which is inserted into an inner circumferential section of the inner holder (20) so as to be fixed at least in a circumferential direction, and into which a shaft (40) is inserted so as to be fixed there; wherein, between the outer holder (10) and the inner holder (20), there is provided a rotation restriction mechanism (12, 22) that prevents a relative rotation between the outer holder (10) and the inner holder (20).

Abstract: A pumping apparatus includes an impeller, an inlet housing and at least one flow guiding element. The impeller is rotationally supported for the guidance of a pumpable medium about an axis of rotation. The inlet housing spans a suction region upstream of the impeller. The at least one flow guiding element is at least partly arranged within the suction region and the flow guiding element is provided to guide the medium flow in the direction of the impeller.

Abstract: A spoolie for sealing a tube passing through an air gap or other interruption within a high temperature operating environment. The apparatus and method allow for a sealing service pathway between areas of differential temperature while allowing for relative movement consistent with thermal expansion and contraction.

Abstract: To address the problem of flush fluid leakage under normal operating conditions in rotary machinery, an improved pack-box has been conceived. The pack-box has a rotary bearing concentrically disposed within the pack-box, wherein a circumferential segment of the rotary bearing is circumferentially fixed within the pack-box. The pack-box further comprises a wall-step that defines at least a first thermal expansion channel and an inner wall that defines at least a second thermal expansion channel.

Abstract: A rotating body includes a cylindrical rotating member and bearings located at the ends located in the axial direction of the rotating member. In the rotating body, at least one of the bearings includes a metal inner ring portion having a bearing hole and a resin outer ring portion having first and second portions. The first portion is fitted into the rotating member. The second portion protrudes in the axial direction from the rotating member, surrounds the outer peripheral surface of the inner ring portion, has an outer diameter larger than that of the rotating member, and is in contact with an opposing object opposing the rotating member so as to maintain a specified size of a gap by which the rotating member and the opposing object are spaced apart from each other. The outer and inner ring portions are integrally molded.

Abstract: A bearing housing cover for a bearing housing of a charging device is presented. The housing cover is formed of metal by a mechanisms of at least one of internal high-pressure forming (IHU), deep-drawing, forging and roller burnishing.

Abstract: A method, computer program product and system for compressing a multivariate dataset. A dataset is selected that includes a plurality of variates. A first compression method is applied to the values of a first variate of the dataset. A second compression method is applied to the values of a second variate of the dataset, where the second compression method is arranged to compress the second variate values relative to the variation of the corresponding first variate values.

Abstract: A structure for mounting a bearing bracket is provided. The structure includes a supporting portion into which a drive shaft is fitted and a coupling portion which is enlarged from the supporting portion and is fastened by bolts to a fixing portion formed at a power train. The coupling portion has two or more apertures into which the bolts are inserted, and at least one enlarged portion that protrudes on a surface, which comes into contact with the fixing portion, to enlarge a length of each apertures, and the fixing portion has bolt bore opened to correspond to the apertures of the coupling portion, respectively, and an enlarged groove formed at the bolt bore where the enlarged portion enters and has an increased diameter to fit the enlarged portion into the enlarged groove.

Abstract: An extruded bearing housing is provided. The extruded bearing housing includes a radially inner ring, and a radially outer ring located concentric with the radially inner ring. The extruded bearing housing includes webs that connect the radially inner ring and the radially outer ring, and the webs are arranged at an acute angle to a circumferential direction. Openings axially extend through the bearing housing and are defined between the webs, the radially inner ring, and the radially outer ring. Adjacent ones of the webs extend in opposite directions from each other.

Abstract: A support, for example for a turboshaft engine, or for at least one bearing for a hot section of a turboshaft engine. The support includes at least a central hub incorporating an outer bearing seat for directly receiving the bearing, an annular casing segment around the central hub, and a plurality of radial arms connecting the central hub to the casing segment. The radial arms are inclined in an axial direction and in a tangential direction and are integrated as a single piece with the central hub and with the annular casing segment.

Abstract: A bearing arrangement in an actuator of a forest machine comprising a frame of the actuator, which frame defines a first opening. The bearing arrangement also comprises a bushing, at least part of the bushing arranged in the first opening, the bushing defining a second opening, at least part of an axle and/or a bearing being arranged in the second opening, the axle or bearing being arranged stationary or movable in relation to the bushing, and the bushing being removable from the frame of the actuator. Further, a method for maintaining an actuator of a forest machine, the actuator comprising a bearing arrangement of the described type. In the method, a second, corresponding bushing is provided, which is fitted for said first opening; said bushing is removed from the frame of the actuator, wherein said first opening is exposed; and said second bushing is installed in said first opening.

Abstract: A tolerance ring can include a generally cylindrical body that can include a sidewall that defines a top and a bottom. The sidewall can include an upper unformed band and a lower unformed band opposite the upper unformed band. A plurality of shoulderless wave structures can protrude radially from the sidewall between the upper unformed band and the lower unformed band. Each shoulderless wave structure can be connected only to the upper unformed band and the lower unformed band. The sidewall of the tolerance ring can also include a plurality of unformed sections and a gap that extends along the entire axial length of the body. Each unformed section can be located between a pair of adjacent shoulderless wave structures. Moreover, the gap can establish a split in the body.

Abstract: A quick change bearing holder apparatus for a rotating shaft including a shaft housing, a conical bearing holder and a bearing retainer element. The shaft housing has a conical socket. The conical bearing holder has an outer conical surface compatible with the conical socket of the shaft housing. The bearing retainer element mounts to the shaft housing to urge the bearing holder into the conical socket of the shaft housing. Lubrication feed lines and openings and drain lines and openings may be included in the shaft housing and conical bearing holder. Lubrication may further be facilitated using circumferential grooves in the shaft housing or the conical bearing holder. The outer conical surface of the conical bearing holder may have a taper angle that forms a self ejecting taper.

Abstract: A bearing sump includes an annular housing having a first axial length that is substantially equivalent to an axial length of the bearing sump; an annular bearing support disposed concentrically within the annular housing and having a second axial length that is less than about 50% of the first axial length; an annular space between the housing and the bearing support; and first and second axial ribs in the form of annular segments having a central angle of less than about 60 degrees and connecting with both the housing and the bearing support.

Abstract: A bearing sump includes an annular housing having a first axial length that is substantially equivalent to an axial length of the bearing sump; an annular bearing support disposed concentrically within the annular housing and having a second axial length that is less than about 50% of the first axial length; an annular space between the housing and the bearing support; and first and second axial ribs in the form of annular segments having a central angle of less than about 60 degrees and connecting with both the housing and the bearing support.

Abstract: A rotating body includes a cylindrical rotating member and bearings located at the ends located in the axial direction of the rotating member. In the rotating body, at least one of the bearings includes a metal inner ring portion having a bearing hole and a resin outer ring portion having first and second portions. The first portion is fitted into the rotating member. The second portion protrudes in the axial direction from the rotating member, surrounds the outer peripheral surface of the inner ring portion, has an outer diameter larger than that of the rotating member, and is in contact with an opposing object opposing the rotating member so as to maintain a specified size of a gap by which the rotating member and the opposing object are spaced apart from each other. The outer and inner ring portions are integrally molded.

Abstract: Bearing assemblies, apparatuses, and motor assemblies using the same are disclosed. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements distributed circumferentially about an axis. At least some of the superhard bearing elements may include a first end surface, a second end surface generally opposite the first end surface, a first side surface extending between the first end surface and the second end surface, a second side surface generally opposite the first side surface, and a bearing surface extending between the first end surface, the second end surface, the first side surface and the second side surface. Such superhard bearing elements may also include a ramped feature negatively sloping away from the bearing surface. The bearing assembly may further include a support ring that carries the plurality of superhard bearing elements.

Abstract: The suspension bump thrust device for a motor vehicle comprises a lower supporting cover 20, an upper elastic bearing seat 18 designed to be attached to the chassis of the motor vehicle, and a rolling bearing 22 forming an axial thrust placed axially between the supporting cover and the bearing seat. The bearing comprises a lower ring, an upper ring and at least one row of rolling elements placed between the said rings. The bearing seat comprises an axial retention means 34d for the supporting cover arranged on a skirt 34c of the said seat and interacting with a complementary axial retention means 50e for the said cover. A cup 36 for reinforcing the bearing seat forms the upper ring of the rolling bearing. The reinforcing cup 36 comprises an axial portion 36a resting against the skirt of the bearing seat and a radial portion 36b radially extending the axial portion inwards.

Abstract: A bearing assembly support and adjustment system includes an annular support device and an annular adjustment sleeve. The annular support device has a support device outer circumferential surface located about a first axis and a support device inner circumferential surface located about a second axis spaced apart from the first axis. The annular adjustment sleeve has an adjustment sleeve outer circumferential surface located about a third axis and an adjustment sleeve inner circumferential surface located about a fourth axis spaced apart from the third axis. The annular adjustment sleeve is coupled to the annular support device with the adjustment sleeve outer circumferential surface located immediately adjacent the support device inner circumferential surface.

Abstract: A telescopically collapsible vehicular steering column assembly includes inner and outer shaft tubes which are joined in a sliding fit by a bushing. The bushing includes a pair of spaced journal bearings formed of steel-backed PTFE held in a plastic carrier body. The bushing is located in a receiving chamber in the outer shaft tube. A clearance compensator reacts against the receiving chamber to exert a radial compressive force through the carrier body and the journal bearings to improve the sliding fit with the inner shaft tube and remove lash. The clearance compensator can take any form, such as a hollow annular rib, a skirt with a flexible free end, or an array of nubs carried in thinned sections of the carrier body. The clearance compensator in all of these variations operates within a clearance space and has dimensional attributes which can be changed during the design and manufacturing phases of the bushing to optimize a characteristic of the steering column assembly.

Abstract: An apparatus and associated method involving an actuator assembly having an actuator body defining a bore and a bearing assembly in the bore. The bearing assembly has a shaft, and further has a bearing having an inner race that is affixed to the shaft and an outer race that is rotatable relative to the inner race. The bearing also has a sleeve defining an annular rigid portion circumscribing the outer race and affixed thereto. The sleeve further defines an annular predictably deformable portion depending from the rigid portion that is entirely disposed longitudinally distant from the outer race and sized to deform when press fit into the bore to operably align the shaft in the bore.

Abstract: A sleeve support portion is arranged to support a sleeve having a rotating shaft inserted therein such that the rotating shaft is rotatable. A plurality of ribs extending in an axial direction is provided on an inner surface of the sleeve support portion. The ribs are preferably spaced from each other in a circumferential direction centered on the rotating shaft, and arranged to make contact with at least a portion of the sleeve. The ribs include a plurality of types of ribs, each type of the ribs having a different axial position of an axial edge, on an axially opening portion side, of a contact surface thereof which is arranged to make contact with the sleeve.

Abstract: An arrangement for force-free retention of a bearing system having an axis of rotation comprises a cylindrical hollow axle for concentrically receiving and holding the bearing system. By means of a hold-down and release mechanism a bearing shell can be fastened to the hollow axle in such a manner that when the bearing system is not acted upon by a load, all lateral and axial forces applied to the arrangement can be transmitted via the cylindrical hollow axle into axle receiving devices.

Abstract: The present invention includes a bearing fixing structure for fixing a bearing in position relative to a resin housing. The bearing is fitted into an inner circumference of the housing. The structure includes an annular holding member and an engaging device. The holding member is press-fitted into the inner circumference of the housing so as to hold the bearing from one side with respect to an axial direction of the housing for preventing the bearing from being removed from the housing. The engaging device engages an outer circumferential face of the holding member with the inner circumference of the housing with respect to the axial direction of the housing.

Abstract: A flange bearing comprises a housing having a body with a reinforcing member encased therein. The housing provides strength and resistance to stress fracturing without the use of heavy materials, such as cast iron, or the use of ribs and recesses which can harbor contaminates. The bearing is preferably lightweight and easily cleaned. Also, a leveler constructed in accordance with the present invention provides similar advantages.

Abstract: A journal bearing for a high speed surgical drill and/or attachment for rotatably supporting a cutter is made from a polymer of polyimide resin and graphite material and is designed to have a polygon configured bore where there are two point contact of the mating surfaces of the bore walls and cutter's shaft and preferably the bore is square shaped in cross section. This bearing results in a decrease in the envelope size of the support tube and hence, the overall diameter of the surgical instrument at the distal end enhances the line of vision of the cutter to the surgeon when the surgeon is performing surgical procedures. The entrance ends of the intermediate bearings are countersunk to define a ramp to ease the egress of the tool bit shaft for entering the tube of the drill motor or drill attachment during the assembly thereof.

Abstract: A screw shaft for a motor operator is pivotally secured at each end by a bearing insert, with each bearing insert fitting within a channel defined within opposing walls of the housing.

Abstract: A sleeve bearing system is provided in which wear is reduced and thrust loading capabilities are offered. An inner ring is secured tightly to a rotating member via a collar. The inner ring forms a plain or sleeve bearing with a bearing set. The bearing set may be supported within a housing designed to be fitted to a machine frame. A thrust extension of the bearing set interfaces with the collar to transmit thrust loading on the rotating member to the bearing set and housing via the inner ring and collar.

Abstract: A molded polymeric bearing housing is formed of a moldable polymer base material in combination with a glass fiber reinforcing component. A foaming agent is added to the base material to create a fine structural foam within interior regions of the housing. A density gradient is established between regions adjacent to the surfaces of the housing and the internal regions, thereby reducing the need for reinforcing ribs particularly in a base or mounting portion of the housing. An antimicrobial agent may be added to the housing material to inhibit the growth and proliferation of fungi, molds, bacteria, and so forth. Structural features of the housing may be formed subsequent to the molding process, such as by turning operations. Metal inserts may be provided to avoid crushing of regions of the housing, such as by attachment fasteners. The housing forms a mounting base surface in a single plane coextensive with the footprint of the housing.

Abstract: An adjustable steady bearing support assembly and method provides support for a bearing in rotational contact with a shaft in a vessel such as a mixing vessel. The assembly and method allows axial movement of the bearing along the shaft in response to changes in the radial dimensions of the vessel while providing radial support of the bearing. The assembly employs strut assemblies having pivotally mounted strut pairs with an included angle between the struts in each pair to resist torsional forces on the a bearing.

Abstract: An improved bearing support structure for a vehicle driveline includes a bracket having ears for supporting a bearing cushion. The ears are separated by a distance which is greater than the thickness of the cushion such that the cushion can self-align within the bracket. In this way, a variety of driveline angles can be accommodated by the bearing cushion within the bracket. Moreover, the bearing cushion is provided with recesses which facilitate the ability of the cushion to flex to further allow relative alignment of the axis of the driveline within the bracket.

Abstract: A bearing device is presented, by which it is possible to rotate a rotation shaft of a motor smoothly at a constant speed without impairing its characteristics even when a load is applied on the rotation shaft from a given direction as when the device is incorporated in video equipment. The bearing device includes a holder designed in a cylindrical shape, a collar unit extending in a peripheral direction near a first end in an axial direction of the holder, fixing units and mounting units alternately arranged along the circumference of an outer peripheral portion of the collar unit. Also included are engaging sectors of bearing bodies on each of a first end and a second end of a bearing bore of the holder. An annular groove formed in the axial direction from the first end is provided on an outer periphery of the holder so that the thickness of the peripheral wall forming the engaging unit on the first end of the holder will be uniform over the entire periphery.

Abstract: A rolling mill oil film bearing has a sleeve with a tapered interior surface axially received on and rotatably fixed with respect to a tapered section of a roll neck. The sleeve has a cylindrical outer surface journalled for rotation within a bushing contained in a chock, with the chock, bushing and sleeve being axially removable as a unit from the roll neck. The sleeve is machined from a cylindrical forged blank which has a maximum outer diameter equal to the diameter of the sleeve's cylindrical outer surface. At least one element separate from the forged blank is secured to the sleeve. The element has a radially protruding outer portion engageable by the bushing during axial removal of the bearing unit from the roll neck.

Abstract: A motor fan bracket is molded of a fiber reinforced thermoset polyester. The motor/fan bracket has an annular frame and an annular bearing housing concentric with the frame and supported by inwardly extending arms. The annular bearing housing has a bearing-receiving cavity configured in cross section as an equilateral polygon such that each face of that cavity is tangential to a bearing received therein.

Abstract: A bearing includes a bushing having an axis and a retainer supporting the bushing. The retainer includes an annular planar portion extending perpendicular to the axis and a plurality of wedge portions projecting radially outward from the annular planar portion in circumferentially spaced relation.

Abstract: A linear guide unit comprises a hollow elongated member of rectangular cross section, two parallel guide rails mounted on one wall of the elongated member, and at least one runner supported for movement on each of the guide rails. At least one wall of the elongated member other than the one on which the guide rails are mounted has a plurality of T-section grooves, which serve for the fastening of attachments. The runners are U-shaped, straddle the respective guide rails, and are carried on the said guide rails by closed rolling-member circuits. The elongated member may be combined with a variety of linear drive units of different types.

Abstract: The invention relates to a method of securing a shaft-bearing bush (3) of a non-weldable material, particularly a sintered metal, in a hole (2) in a metal mounting plate (1), a metal sleeve (4), whose material is weldable to the metal mounting plate (1), being securely press-fitted onto the outer wall (3a) of the shaft-bearing bush (3), the shaft-bearing bush (3) with the press-fitted metal sleeve (4) being introduced into the hole (2) in the metal mounting plate (1) and being locked in the desired axial alignment, and the metal sleeve (4) being welded to the metal mounting plate (1).

Abstract: A method for adjusting the blade clearance in a disc chipper by moving in the axial direction a bearing bushing of a disc shaft together with the bearing. The axial movement of the shaft is effected by loosening adjusting screws or adjusting nuts of one of the end caps of the axial guide bearing housing and by tightening after this the adjusting screws or adjusting nuts of the other end cap. The cap then pushes the axial guide bushing and the attached shaft in the axial direction by way of a guide projection on the surface of the cap facing towards the bearing. An axial guide bearing system includes a shaft supporting a blade disc of a disc chipper, with the shaft and blade disc being movable relative to a counter blade in an axial direction. The system also includes a bearing housing frame and a bearing fixed to the shaft and movable with respect to the bearing housing frame.

Abstract: A bearing or bushing retainer comprises two identical, separate segments which are generally c-shaped so as to permit the segments to each be removed from a cylindrical split plastic bearing mounted on a reel toothbar once bolts holding the two segments together are released and the segments moved axially relative to each other so as to disengage respective axially extending tabs of the segments from gaps defined between opposite ends of the segments. The segments have a relatively heavy cross section and are made of sintered powdered metal of relatively high carbon content, and are heat treated thereby resulting in a part having a long wear life and having a natural lubricity resulting in the extension of the wear lives of the retainer and of the bearing retained thereby.

Abstract: A pivot shaft for a damper assembly includes a steel cylinder having a reduced diameter end, a brass sleeve bearing rotatably mounted on the reduced diameter end and a steel cap press fit over the bearing thereby enclosing it and protecting it from the environment. The area enclosed by the steel cap is preferably lubricated with grease before the cap is pressed onto the bearing. The possibility of galling is prevented by the use of a brass bearing between two steel members. The steel cap protects the lubricated bearing from dust and dirt. According to a first embodiment, the sleeve bearing and cap are provided at one end of the pivot shaft. With this embodiment, a closed end bushing is also provided which ensures that only the cap of the pivot shaft engages the bushing. According to a second embodiment, a first solid steel cylinder is provided with two reduced diameter portions, one at each end.

Abstract: A motor assembly includes a stator assembly and a rotor assembly having an associated rotor shaft. The rotor shaft is mounted between and supported by endshields both are mounted to the stator assembly. At least the mounting one of the endshields includes a plurality of truss members so configured as to permit the endshield to be made of different materials while retaining substantially the same configuration. The truss members include rails oriented generally parallel to the axis of rotation of the rotor shaft. A web extends between the rails. Knee beam truss members are braced in various configurations. In some embodiments, a venturi cowling is provided to cause air to flow over end turns of the motor.

Abstract: A trolley assembly is provided including a pair of trolley brackets with an axle extending outwardly from each of the trolley brackets. Bushings adapted to rotatably engage each of the axles are provided with a wheel fixedly attached to each of the bushings. The bushings include an interlock to prevent rotation of the bushing with respect to the wheel. A pendant is attached to the pair of trolley brackets. The components of the trolley assembly can be replaced on a one-to-one basis with parts of prior art trolley assemblies.

Abstract: A support member for use in a soccer table comprises a male retainer and a female retainer. The male retainer has a first columnar portion and a first disk portion attached to one end of the first columnar portion which is provided thereon with an arresting portion and has an axial hole. The female retainer has a second columnar portion and a second disk portion attached to one end of the second columnar portion which has an axially-oriented fitting hole provided on the inner wall surface thereof with a stopping portion. The first columnar portion of the male retainer is received in the fitting hole of the female retainer such that the arresting portion of the male retainer and the stopping portion of the female retainer engage to confine each other.

Abstract: A hoist/traction apparatus including a gear cover for covering a gear reduction mechanism. The gear cover includes swollen portions protruding outwardly and having blind holding portions open inwardly so as to receive axial ends of intermediate shafts and a driving shaft of the hoist/traction apparatus. In addition, the gear cover is provided with a reinforcing rib to protect the swollen portions.

Abstract: A lightweight composite camshaft has stamped sheet metal or other lightweight journal and/or cam elements having locating hubs and assembled onto a hollow tube. An economical and rapid method of assembly uses indexing balls pressed into accurately positioned blind holes in the tube and grooves in the bores or hubs of the cam elements to angularly locate the cams with precision prior to locking them tightly in place by expansion of the tube.

Abstract: A canned motor pump has a housing and a shaft which is mounted for rotation internally of the housing and extends between the pump and the motor. The end of the shaft remote from the pump is received by a plain bearing bushing. The bushing is press-fitted into a sleeve having a threaded section which serves to releasably connect the sleeve to the housing. The sleeve has another section which is adjacent to the threaded section and is provided with a conical surface. The conical surface cooperates with a complementary surface on the housing to center the sleeve.

Abstract: A transmission box with several bearings for shafts is disclosed. The transmission case (1) is produced by a plastic injection molded cast and comprises at least in part outer races (14) for the bearings (13), which are retained at a defined axial distance by a metallic precision insertion part (8) embedded into the plastic injection mold case (1).