Abstract: A steering shaft may include an inner shaft at least partially within an outer shaft where the inner shaft includes a sliding element with an outer profile portion. The outer shaft may be displaced relative to the inner shaft axially in a direction of a longitudinal axis between a storage position and an operating position. A steering column may include an inner covering pipe in which such a steering shaft is rotatably supported and an outer covering unit in which the inner covering pipe is retained. The outer shaft may have a bearing means having an inner profile portion that corresponds to the outer profile portion. In the storage position the outer profile portion is at least partially received in the bearing means.

Abstract: A journal support pin to support intermediate gears for use in gas turbine engine comprises a titanium body, and an outer surface outside of the titanium body having a surface hardness that is harder than the body. A gas turbine engine and a method of forming a journal support pin to support intermediate gears for use in gas turbine engine are also disclosed.

Abstract: The present invention relates to a centrifugal pump and a bearing retainer for the centrifugal pump. The centrifugal pump has a shaft, a bearing for supporting the shaft, and a bearing retainer for the bearing. The bearing retainer comprises a ring section adapted to surround the bearing and an elastic section adjacent the ring section, wherein the elastic section comprises multiple slits, dividing the elastic section into multiple resilient parts, wherein the multiple resilient parts are adapted to receiving and supporting the bearing, thereby creating a compression force in radial direction perpendicular to the axis of the shaft, allowing the bearing retainer to hold the bearing in a fixed position with respect to the bearing retainer.

Abstract: A steering assembly having an inner steering member; an outer member, where the inner steering member is adapted to translate relative to outer member; and a bearing component disposed around a portion of the inner steering member, where the bearing component includes a bearing having a unitary substrate and a polymer layer overlying the substrate, where the bearing has a generally arcuate shape and is adapted to support the inner steering member disposed in the outer member, where the bearing has a support region for supporting an inner steering member, and a plurality of feet comprising a first foot and second foot spaced apart from each other such that the support region extends there between, and where the first and second feet extend in radial direction beyond the support region such that upon assembly between inner steering member and outer member, wherein the bearing exerts a force against the inner steering member.

Abstract: A steering assembly including an inner steering member; an outer steering member; a leaf spring disposed between the inner steering member and the outer steering member and adapted to bias the inner steering member, wherein the leaf spring comprises an inner portion and a plurality of outer portions, wherein the outer portions comprise end portions of the leaf spring that are folded over such that the outer portions overlie the inner portion, forming a folded edge; and a low friction layer supported by the leaf spring.

Abstract: A handheld device comprising a motor for generating an airflow through the device, the motor including: a frame for supporting a rotor assembly and a stator assembly, the frame including an inner wall and an outer wall and a plurality of diffuser vanes extending between the inner wall and outer wall; a rotor assembly including a shaft, a magnet, a bearing assembly and an impeller; and a stator assembly including a bobbin, a stator core and a winding wound around the bobbin; the frame being formed of zinc and the impeller being formed of aluminium.

Abstract: The invention generally relates to two-bladed turbine nacelles and associated teetering hinges. In certain embodiments, the invention provides a hinge assembly encompassing a hub and two double elastomeric teeter bearings. In some aspects, the bearings are self-contained elements that can be preloaded in a controlled manner prior to their incorporation into the larger assembly.

Abstract: The subject invention provides for a shifter assembly for selecting one of a plurality of gears of a transmission of a vehicle. The shifter assembly includes a pin engaging a lever and one of a handle and a support and rotatable towards first and second ramps to define a first range of movement between the lever and one of the handle and the support. A first post and a second post extend from the lever. A first bushing is attached to the first post and a second bushing is attached to the second post. A pair of first and second engagement surfaces are disposed on the one of the handle and the support. The first bushing is sandwiched between the pair of first engagement surfaces and the second bushing is sandwiched between the pair of second engagement surfaces to define a second range of movement.

Abstract: A crank drive includes a crankshaft journal having a concave-shaped surface, a bearing element in which the crankshaft journal is rotatably mounted, and a bearing shell disposed between the crankshaft journal and the bearing element and having a first convex-shaped surface matched with the concave-shaped surface of the crankshaft journal. The bearing shell has a second surface associated with the bearing element and is constructed such that the bearing shell has a non-constant cross section in the longitudinal direction of the crankshaft journal. The bearing element surface facing the bearing shell is adapted to the second surface of the bearing shell regarding the shape of the bearing element surface, and the second surface of the bearing shell is cylindrical or concave and has a smaller curvature than the concave-shaped surface of the crankshaft journal.

Abstract: A sleeve for use in repairing a shaft having an unworn diameter and a worn diameter, the sleeve providing a fresh bearing surface for a split roller bearing, comprising: two halves which, when joined, define a cylinder having a diameter adapted to firmly engage a portion of unworn diameter shaft at each end; bolts holes adapted to releasably affix the halves together, and bolts adapted to attach the halves thereby; joiner pin holes defined in at least one intersection between the halves, the joiner holes adapted to receive joiner pins therein and adapted to serve as a stable joinder point for the halves, and joiner pins adapted to be firmly engaged therein; a smooth bearing surface defined on an external surface of the sleeve; and a split roller bearing adapted to engage the bearing surface. A method for field manufacture of said sleeve.

Abstract: An assembly that includes a rotating shaft supported with respect to a stationary housing by at least one active magnetic bearing presenting a mean radial air gap and at least one auxiliary bearing having a bushing fixed to the housing and a sleeve fixed on the rotating shaft. The bushing and the sleeve have opposite surfaces that define a clearance (E2) which is less than the mean radial air gap (E1). The bushing and the sleeve each exhibit symmetry around a longitudinal axis of the shaft and have different profiles in a longitudinal cross-section including the longitudinal axis to optimize the contact pressure distribution when the rotating shaft lands on the auxiliary bearing.

Abstract: The invention is directed to a multi-disk centrifugal pump suitable for pumping fluids, including biocompatible fluids, such as blood. The design of the pump components is optimized to reduce or eliminate the probability of clotting and hemolysis when pumping blood, and to be energy efficient and resistant to physical shock for portable applications.

Abstract: A sleeve for use in repairing a shaft having an unworn diameter and a worn diameter, the sleeve providing a fresh bearing surface for a split roller bearing, comprising: two halves which, when joined, define a cylinder having a diameter adapted to firmly engage a portion of unworn diameter shaft at each end; bolts holes adapted to releasably affix the halves together, and bolts adapted to attach the halves thereby; joiner pin holes defined in at least one intersection between the halves, the joiner holes adapted to receive joiner pins therein and adapted to serve as a stable joinder point for the halves, and joiner pins adapted to be firmly engaged therein; a smooth bearing surface defined on an external surface of the sleeve; and a split roller bearing adapted to engage the bearing surface. A method for field manufacture of said sleeve.

Abstract: In some embodiments, a bearing includes a substrate having a first portion and a second portion thicker than the first portion, the second portion having a curved outer contour. The bearing can further include a first layer on the outer contour of the substrate and/or a second layer on an inner contour of the substrate. The first layer can include a thermally conductive material, and the second layer can include a lubricious material.

Abstract: Fine particles (6) are retained by an electroformed portion (4) in a dispersed state, and the fine particles (6) exposed from an outer peripheral surface (4a2) of the electroformed portion (4) are molten so as to form micro projections (60) integrated with a resin portion (5). The micro projections (60) enters into fine-particle traces (4c) formed in the electroformed portion (4) to exert an anchor effect, to thereby increase a fixation force between the resin portion (5) and the electroformed portion (4).

Abstract: A journal bearing includes a main body and a connection portion. The main body extends radially outward from a central cavity to an interface surface. The connection portion supports an end of the main body and extends radially around the central cavity. The connection portion has a dimension selected as a proportion of a reference dimension of the main body to achieve a desired spring rate for the journal bearing.

Abstract: A self-lubricating track roller and a method of making the self-lubricating track roller are disclosed. First, an inner ring is provided having a radially outwardly facing surface. A parting agent is applied onto the radially outwardly facing surface. Next, a self-lubricating material is applied over the radially outwardly facing surface. Then, an outer ring is formed around the self-lubricating material such that a radially inwardly facing surface of the outer ring is bonded to the self-lubricating material. A resilient tire is bonded onto the radially outwardly facing surface of the outer ring. In the resulting track roller, the radially outwardly facing surface of the inner ring has a surface profile that corresponds to a mating surface profile of the self-lubricating material that is bonded to the radially inwardly facing surface of the outer ring.

Abstract: A drive transmitting device includes: a rotational shaft having peripheral surface with a cut-off surface extending along an axial direction of the rotational shaft; a bearing member for supporting the rotational shaft, the bearing member being in slide contact with the peripheral surface of the rotational shaft; and a spacer which is mounted in a clearance formed between an inner circumferential surface portion of the bearing member and the cut-off surface of the rotational shaft.

Abstract: The invention improves reliability of a valve gear in which a cobalt-based alloy is welded by plasma power building up. The valve gear includes a bearing 2 having a sliding surface against a valve shaft 1. The valve gear having a welded layer 12 made of heat-resistant cobalt-based alloy, based on plasma powder building up, formed on the sliding surface against the valve shaft 1. The welded layer 12 includes a first welded layer 12a formed on the surface of the bearing 2, having a dilution ratio of 5 to 25% and a second welded layer 12b formed on the first welded layer 12a, having a dilution ratio of 50% or less of the dilution ratio of the first welded layer 12a. The dilution ratio indicates the penetration amount of the welding metal into the base metal, and is a value obtained by B/A×100 (%) wherein A represents the total amount of the welded metal and B represents the amount of the welding metal penetrating into the base metal.

Abstract: A bearing element is provided which has at least three individual annular segments which are each combined to form a homogeneous, inherently fixed bearing element. The individual annular segments each abut against at least two further annular segments and are interconnected by connecting means.

Abstract: A method of operating a fuel system for a compression ignition engine includes supplying biofuel, which may be part of a mixture, to an inlet of a fuel lubricated pump. At least one bearing of the pump is lubricated with the biofuel. The fuel lubricated pump supplies high pressure fuel to a common rail. A plurality of fuel injectors are fluidly connected to the common rail, and each include at least one nozzle orifice for injecting the biofuel into the combustion space of the engine. Nozzle orifice coking is limited at least in part by employing a spinodal bronze alloy in the bearing of the fuel lubricated pump.

Abstract: A shaft is held in place within a bore of a housing with a band of resilient material that is located between the shaft and the housing and has a series of projections extending radially inwards. The shaft surface has a first part that lies closer to the longitudinal axis of the bore than a second part, when the shaft and housing are assembled. The shaft is initially inserted into the resilient band, which is held within the bore, such that the first part of the shaft surface is oriented towards one of the projections of the resilient band. In this orientation of the shaft, the projection is not compressed. By orienting the second part of the shaft surface, the projection is brought under compression and the shaft is held firmly within the bore.

Abstract: A rotary member includes a rotating main body, and support members that are formed to be supported by bearings. Each of the support members includes a spindle core formed of a first metal, and a cylindrical sheath that sheathes a portion of the spindle core where slidably contacting respective one of the bearings and that is formed of a second metal different from the first metal.

Abstract: A bearing assembly comprises a shaft having a longitudinal axis, a sleeve supported concentrically about the shaft, and a tubular liner received between the shaft and the sleeve so as to be concentric therewith and so as to support the sleeve for rotation relative to the shaft. The tubular liner comprises synthetic fibres woven helically about the longitudinal axis of the shaft and a rigid surrounding material which surrounds the synthetic fibres. The sleeve also comprises synthetic fibres woven about the longitudinal axis of the shaft and a rigid surrounding material which surrounds the synthetic fibres. The synthetic fibres may comprise glass fibres, polyester fibres, para-aramids, and/or Polytetrafluoroethylene fibres which are wound helically about the longitudinal axis. The surrounding material may comprise a thermoset material, a phenolic material, an epoxy, and/or a resin which is set to be rigid about the fibres.

Abstract: A cam follower includes a shaft member which is cantilevered at one end and a slide bearing fitted onto the outer periphery of the other end of the shaft member. The slide bearing is composed of a cylindrical matrix made of an Fe-based sintered metal material having an Fe content of 90 wt % or more and a slide layer formed from the inner peripheral surface to the both end faces of the matrix. The slide layer is made of a slide material composition having a base material such as polyethylene resin blended with a lubricant such as silicone oil and a globular porous silica impregnated with this lubricant.

Abstract: A yoke bushing that reduces the cyclic movement between the main shaft of a ball-and-race type coal pulverizer, thereby resulting in longer shaft life and reduced incidences of shaft failure. The yoke bushing is comprised of a flexible structure that provides individual contact areas which will have, at the same locations, equal stress fields between the main shaft and the yoke bushing.

Abstract: A shaft is held in place within the bore of a housing by means of a band of resilient material that is located between the shaft and the housing and has a series of projections extending radially inwards. The shaft surface has a first part that lies closer to the longitudinal axis of the bore than a second part, when the shaft and housing are assembled. The shaft is initially inserted into the resilient band, which is held within the bore, such that the first part of the shaft surface is oriented towards one of the projections of the resilient band. In this orientation of the shaft, the projection is not compressed. By orienting the second part of the shaft surface the projection, the projection is brought under compression and the shaft is held firmly within the bore.

Abstract: A bearing includes an axial hole and a plurality of first grooves. The first grooves are disposed formed on the inner wall of the bearing, and extends through the top surface and to the outer wall of the bearing. The lubricant oil originally hold in the bearing can be guided to flow around the whole bearing effectively.

Abstract: The invention relates to a rotation-slide bearing (25c) which comprises an inner first bearing element (31) with an outer peripheral surface (31a) and an outer second bearing element (32) with an inner peripheral surface (32a). The outer bearing element (32) encloses the inner bearing element (31). At least one first oil groove (38) that extends in an approximately axial relation is provided in the outer peripheral surface (31a) of the inner first bearing element (31) and/or in the inner peripheral surface (32a) of the outer second bearing element (32). In order to improve a rotation-slide bearing of the aforementioned kind in such a way that it can absorb radial and axial forces and has good slide properties, a support shoulder (42a, 42b) with a slide surface (42c) is associated with one of the two bearing elements (31) on one or both sides and axially supports the bearing element (32) with its lateral surface (32c) facing it.

Abstract: A tenter clip has a jaw pivot shaft having a pair of molded bearing surfaces of superior strength, wear resistance and stability under high temperature operating conditions. The method for manufacture of the jaw pivot shaft includes knurling recesses formed in the shaft prior to applying plastic bearing material to the recesses by injection molding and finishing machining the pin by centerless grinding.

Abstract: A sliding bearing for an internal combustion engine including a copper-based bearing alloy including silver and tin upon which an overlay is applied. The overlay comprises resin and MoS2, and the adherence of the overlay to the alloy is enhanced by a roughened alloy surface formed of grooves extending in the sliding direction.

Abstract: The invention relates to a radial bearing which can be used for bearing problems in which an angular displacement occurs during operation by virtue of the elastically flexible shaping of a bearing sleeve on which an elastically flexible bearing element with an essentially matrix-type fibrous structure is arranged.

Abstract: A molded bearing assembly for a molded wheel includes a synthetic resin outer bearing race element embedded in the hub of the molded wheel and having a cylindrical inner sliding, journal type bearing surface. An inner bearing assembly includes two molded synthetic resin bearing halves having continuous cylindrical outer bearing surfaces disposed within the outer bearing race in sliding engagement with the inner bearing surface of the outer race. The bearing halves of the inner bearing assembly abut each other at their inner ends and may include interlocking structural features at their inner ends that enable securing of the bearing halves together at their inner ends while presenting a continuous outer cylindrical bearing sliding surface that cooperates with the adjacent surface of the outer race. A wheel axle extends through the inner bearing assembly and supports the wheel and bearing assembly for rotation relative to a wheel support.

Abstract: Disclosed herein is a bearing assembly comprising an outer stationary assembly including a housing including an axial bore with an inwardly facing spherical surface, and an outer bearing member including an outwardly facing spherical surface received by the inwardly facing spherical surface of the housing, and a bore including an inwardly facing cylindrical bearing surface, and an inner rotating assembly including a rotating shaft, and a bearing sleeve fixed to the shaft for common rotation and including an axial bore receiving the shaft, and an outwardly facing composite fabric bearing having an outwardly facing cylindrical self-lubricating bearing surface received in the inwardly facing bearing surface of the outer bearing member.

Abstract: The present invention pertains to a plain bearing for chassis parts in motor vehicles, in which a sliding layer, which is made of plastic and has lubrication bore reliefs on its outer jacket, is sprayed in a firmly adhering manner onto a metallic inner part in a mold, and an elastomer body arranged in a metallic receiving bush surrounds the inner part with the sliding layer in a slidingly movable manner. Recesses, whose side wall has a profile undercut in the direction of removal from the mold, are provided on the circumference of the inner part.

Abstract: A process for producing a turbine rotor using an ingot in which segregation is prevented effectively when ESR is used to produce a large-sized ingot. A hole is formed along an axial direction in the core of an electrode. The molten pool is made shallow and flat and segregation is prevented from occurring. Consequently, an ESR ingot of good quality offering an excellent surface is obtainable as it is free from segregation. Moreover, an electrode melting rate is increased and efficiency is improved so that a high quality turbine can be manufactured from the ingot.

Abstract: A track roller bearing and method of manufacture thereof is presented in which the axial thrust bearing elements are integral inclined opposed surfaces formed on the inner and outer races of the track roller bearing. The inner race is swaged to form the inclined axial bearing surfaces on the inner race after the races are assembled. A self-lubricating material is bonded to the inner race, including the axial bearing inclined surfaces thereof, after the inner and outer races are assembled and the axial bearing surfaces are formed.

Abstract: The elastic sliding bearing for chassis parts in motor vehicles has a rigid inner bushing, an outer bushing, and an elastomeric body surrounding them. The inner bushing and the outer bushing are provided at both ends with axial bearing surfaces on radially extending flange projections (8, 9), and a seal surrounding the flange projections (8) on the outer bushing (2) is provided. The seal acts against the axially outer flange surface of the outer bushing (2) with at least one sealing lip. A plastic layer (5) possessing good sliding properties, whose outer contact surface with the outer bushing has lubricant pockets (6) for receiving a grease filling, is provided on the outer jacket of the inner bushing (1).

Abstract: A track-roller bearing assembly is disclosed which includes a fixed inner ball race member having an outwardly facing arcuate peripheral bearing surface; an annular body of self-lubricating bearing material affixed to the outwardly bearing surface of said inner race; and a coaxial outer race which is rotatable about an axis of the inner race and anguarly displaceable relative to the axis of the inner race so as to accommodate track deflections or irregularities. The track-roller further includes a resilient element disposed between respective ends of the inner and outer races so as to bias the races back into axial alignment after they have been angularly displaced relative to each other.

Abstract: A ceramic bearing is provided by a ceramic inner ring and a ceramic outer ring. The ceramic inner ring includes an axial hole for receiving a shaft at the center of the inner ring. The inner ring further includes an outer cylindrical surface coaxial with the axial hole, and a plane surface extending from the cylindrical surface. The plane surface is perpendicular to the axial hole. The ceramic outer ring includes an inner cylindrical surface which slidably contacts the outer cylindrical surface of the ceramic inner ring, and a plane surface which slidably contacts the plane surface of the ceramic inner ring. The shaft is fixed within the axial hole of the inner ring, and sliding does not occur between the shaft and the inner ring. Accordingly, there is no chance of abrasion on the shaft even after a long period of use.

Abstract: An automatic transmission for use in an automotive vehicle is comprised of an oil pump assembly adapted to discharge hydraulic oil as operating oil for the automatic transmission. The oil pump assembly is disposed around a stator shaft connected to the stator of a torque converter. The oil pump assembly includes a pump element drivably disposed in a pump housing and covered with a pump cover secured to the pump housing. The pump cover is made of light alloy and integrally formed with a boss inside which the stator shaft is fitted. The boss protrudes in a direction opposite to the pump housing. Additionally, a rigid ring is fitted on the outer periphery of the boss, thereby increasing the rigidity of the boss and preventing the outer peripheral section of the boss from being worn.

Abstract: The bearing segment consists of individual lamella (2) that are parallel to the bearing axis and can be forced on the trunnion of the workpiece by means of hydraulic fluid contained in a piston space. This makes it possible to cover a certain diameter range of the trunnions of the workpieces with a single bearing segment, and modified bearing segments are required only in keeping with the jumps in bearing diameters.

Abstract: In a bearing assembly for a roll neck in a rolling mill, an inner seal ring is mounted with an interference fit as by shrink fitting, on an end portion of an inner bearing component, e.g., the sleeve of an oil film bearing or the inner race of a roller bearing. The end portion of the inner bearing component is suitably dimensioned and configured to deflect radially inwardly under the influence of hoop stresses developed as a result of the aforesaid interference fit, thereby causing the inner seal ring to be inclined towards the roll end face. The end portion of the inner bearing component has an outer diameter which is larger than the outer diameter of the remainder of the inner bearing component.

Abstract: A lubricated bearing apparatus for a hydraulic machinery has rotary-side ceramic sliding plates disposed in contact with bearing-side ceramic sliding plates. The rotary-side ceramic sliding plates are disposed in receiving grooves of a main shaft sleeve member fixed to the main shaft. The main shaft sleeve member is provided with preventing portions for preventing the rotary-side ceramics sliding plates from being broken by the centrifugal force. Thus, ceramic materials can be used both on the rotary side and the bearing side, thereby lengthening the usable life of the bearing apparatus.

Abstract: A bearing assembly comprises coengaging inner race and outer race members movable relative to one another. The inner race member has an outer bearing surface to which is fixedly secured a self-lubricating bearing material which engages and is movable relative to the bearing surface of the outer race member.

Abstract: Bicycle Chain is made of alternating bushing links and pin links. The bushing links have parallel bushings held in interference fit in bushing plates and extended axially beyond the bushing plates, solid metal rolls with a lubricating plating are held loosely on the bushings, and loosely between the bushing plates. The bushings extend axially outward beyond the bushing plates for substantial distances. Pins extend through the bushings and are fixed in pin plates to form pin links which alternate with the bushing links. The pin plates are held outward from the bushing plates for a substantial amount by the axial bushing extensions to prevent dirt build up. The pin plates, bushing plates and bushings are plated with an anti-corrosion plating. The pins and rolls are plated with a porous metal plating with solid polymeric lubricant held within pores of the plating for lubricating the pin-bushing interior interface and for lubricating the roll-bushing and roll-bushing plate interfaces.

Abstract: A V-belt assembly trained over U-belt wheels for transmitting power and which includes a flexible endless belt, a plurality of rigid suspension members secured fixedly to the endless belt perpendicularly to the longitudinal direction of the endless belt and rigid transmission pieces surrounding the respective suspension members in the section perpendicular to the longitudinal direction of the endless belt, supported pivotal projections projecting sideways from both sides of the suspension members and capable of engaging V-shaped grooves in the V-belt wheels. This rigid transmission piece is shaped in the generally rectangular form constituted from two generally U-shaped pieces. At least one of the pivotal projections of the suspension member and holes in the transmission piece located approximately in the center of a space between the top surface and the bottom surface of the transmission piece fitted on the pivotal projections of the suspension member is coated with an antifriction material layer.

Abstract: A steam turbine rotor shaft made of precipitation-hardened forged austenite steel, comprising first, second and succeeding layers of build-up welding provided on an outer surface of a bearing portion of a journal section in the rotor shaft, the first layer being provided by use of a welding rod of Ni base alloy, the second and succeeding layers being provided by use of a welding rod of low alloy steel which layers have better bearing characteristics than those of the austenite steel.

Abstract: A bearing construction for a crankshaft of a cold Pilger rolling mill for the rolling of tubes wherein the connecting rod is attached to the mill and in which case friction is created between an abrasion bushing made from surface-hardened steel and a bearing box made of high-load or strength synthetic material. For the lubrication of the friction surfaces, the cooling fluid employed for rolling is used. For better removal of heat, the abrasion bushings are provided with means such as cooling fins or similar surface-enlarging profiles and/or materials with high thermal conductivity.

Abstract: The invention relates to a camshaft mounting for a one-piece camshaft supported in a cylinder head having three undivided bearing blocks. The camshaft 5 has three bearing portions of small diameter. One end bearing block (4) has a bore of the same diameter as the bearing portion 8. The middle bearing block 3 has a bore 12 of the same diameter as the bearing portion 7 and a cut-out 13 shaped to allow the cams 9 to pass through one by one if the camshaft 5 is correctly oriented. The last bearing block has a larger bore 16 and is fitted with a bush 15 after insertion of the cams of the camshaft. The camshaft is assembled by sequentially rotating it to align the cams one by one with the cut-out 13 and axial displacement. The bush 15 may be inserted after the camshaft has been slid into position or may be placed over the bearing portion 6 before the camshaft is finally pushed home.