Abstract: A sliding bearing that is disposed in a cylinder block and supports a journal portion of a crankshaft, including: a semi-annular first split bearing having a first circumferential end surface; and a semi-annular second split bearing having a second circumferential end surface. The first and second circumferential end surfaces contact each other, the first split bearing has a same outer diameter as an outer diameter of the second split bearing, the second split bearing has a thickness at a second circumferentially central position that is greater than a thickness of the first split bearing at a first circumferentially central position, the thickness of the first split bearing is decreased from the first circumferentially central position toward the first circumferential end surface, the thickness of the second split bearing is decreased from the second circumferentially central position toward the second circumferential end surface.

Abstract: A flexure device comprising an interior flexure member having first and second interior flexible blades each formed with an interior end portion and separate interior body portions. An exterior flexure member can have first and second exterior flexible blades each formed with separate exterior end portions and an exterior body portion. The first interior end portion and the first exterior end portion form a first flexure end portion, the second interior portion and the second exterior portion form a second flexure end portion. The interior and exterior body portions are coupled to form a flexure body portion, such that the first interior and exterior flexible blades form a first flexure that facilitates rotation between the first flexure end portion and the flexure body portion. The second interior and exterior flexible blades form a second flexure that facilitates rotation between the second flexure end portion and the flexure body portion.

Abstract: The invention relates to a turbocharger for an internal combustion engine, comprising a housing (1) with an exhaust-gas-side and an air-side turbine blade (2), a shaft (3) connecting the turbine blades, and at least one radially acting rotary bearing for mounting the shaft (3), wherein the rotary bearing is designed as a hydrodynamic floating bearing, wherein a lubricant flows in a completely surrounding bearing gap (8) of the rotary bearing in the direction of rotation and has a local lubricant pressure, the bearing gap (8) has a contouring (10, 11, 10a, 11a, 12, 13, 14, 15) due to which the at least two local maxima (PM1, PM2) of the lubricant pressure are formed at two defined angular positions (W1, W2) in the direction of rotation.

Abstract: A method of manufacturing a bottom bearing may include forming a first half-cylinder and a second half-cylinder, the first half-cylinder including a first shoulder and a first inside surface and the second half-cylinder including a second shoulder and a second inside surface. The first shoulder and second shoulder are configured to bear the weight of a vertical shaft by exerting an upward force on a sleeve in mechanical communication with the vertical shaft.

Abstract: Systems and methods related to hydrodynamic bearings are provided. One example system includes a hydrodynamic bearing including a rotational component configured to attach to an anode and a stationary component. The stationary component includes a bearing surface having a plurality of grooves configured to generate pressure in a fluid interface during rotation of the rotational component and where the bearing surface includes at least one recessed section profiled based on an expected pattern of wear.

Abstract: A straddle mount idler assembly for use with a crawler assembly of a crawler machine. The straddle mount idler assembly includes an idler wheel positioned between inboard and outboard arms of a crawler assembly, the idler wheel fixed both rotationally and axially to an idler shaft. The wheel and shaft are fixed rotationally via locking key and axially via segmented retaining plate and bolts. The axial coupling of the wheel and shaft allows for axial thrust to be controlled outboard the crawler frame for easier access and maintenance. A sealed thrust plate assembly with a dedicated lubrication port is mounted to each bearing block. A retainer nut threadably engages the idler shaft, allowing ready tightening of the retainer when the thrust plate experiences wear, and the retaining nut is fixed to the shaft via a locking bar. A set of integrated inspection ports enable inspection and measurement of the thrust plate without splitting crawler tracks.

Abstract: A planetary wheel drive uses: main bushings affixed to a rotatable housing between a stationary spindle permitting the rotatable output housing to rotate with respect to the stationary spindle, and, planet bushings affixed to rotatable planet gear between a planet pin permitting the planet gear to rotate with respect to the planet pin. The main bushings have two sides, a first side which is press fit into the rotatable output housing and a second side which includes a sliding layer which mates with a surface of the stationary housing.

Abstract: A device for passing lubricant out of a lubricant collecting container to a lubricant pump, in particular for an oil circuit of an internal combustion engine. The device including a lubricant intake pipe and a sedimentation container, which is connected fluidically to the lubricant intake pipe.

Abstract: One embodiment provides rotating shaft, including: a spindle comprising an internal first channel; a wheel casing operatively coupled to the spindle, wherein the wheel casing comprises an internal second channel; and a bearing housing the spindle, comprising a third channel located between the bearing and the spindle; wherein the first channel, the second channel, and the third channel are located to form an enclosed annular channel configured to hold a substance. Other aspects are described and claimed.

Abstract: A bushing includes a cylindrical bushing body with a lubricant aperture and a dry lubrication source. The bushing defines a main bushing bore therethrough along a longitudinal axis. The lubricant aperture is defined in the bushing body along an angle relative to the longitudinal axis. The dry lubrication source is disposed in the lubricant aperture. A variable vane system includes a cylindrical case, a plurality of vanes projecting radially inward from the case, and a plurality of bushings. Each vane includes a respective vane stem operatively connecting an end of each vane to the case. Each bushing is disposed on one of the respective vane stems between the vane stem and the case. The respective vane stem is disposed within the main bushing bore and each bushing is slidingly engaged with the case.

Abstract: An exemplary fuel cell system includes a cell stack assembly having a plurality of cathode components and a plurality of anode components. A first reactant blower has an outlet situated to provide a first reactant to the cathode components. A second reactant blower has an outlet situated to provide a second reactant to the anode components. The second reactant blower includes a fan portion that moves the second reactant through the outlet. The second reactant blower also includes a motor portion that drives the fan portion and a bearing portion associated with the fan portion and the motor portion. The motor portion has a motor coolant inlet coupled with the outlet of the first reactant blower to receive some of the first reactant for cooling the motor portion.

Abstract: Self-adjusting bushing bearings having a springy element. The self-adjusting bushing bearing has a bearing subassembly that is configured to be received in a housing and also has a plurality of bearing segments that together are configured to receive a shaft therein. A springy element biases the plurality of bearing segments radially inwardly towards the shaft. The springy element is mated with at least one bearing segment in the plurality of bearing segments.

Abstract: The present disclosure provides a roller pin for a fuel pump. The roller pin includes a cylindrical body made of a first material extending between a first end and a second end. The roller pin includes an intermediate portion disposed between the first end and the second end of the cylindrical body. The intermediate portion is formed by depositing a second material on the cylindrical body. The roller pin further includes a longitudinal groove extending along the intermediate portion.

Abstract: A hoop including a cylinder which, so that the hoop can be mounted around a shaft, is formed by multiple parts that are assembled together using steps that can produce an assembly without deformation of an external surface of the cylinder. A ring, of which an external surface forms the internal surface of a bearing and which, so that it can be secured to the external wall of the cylinder, is formed by multiple elements that are secured to the cylinder by securing devices that can maintain a machining tolerance of the external surface of the ring.

Abstract: The elastic junction for the dynamic connection between the motor side and the head of a sliding block adapter, or between adapter and rolls of a rolling plant, comprises a central pin (5) arranged perpendicular to the longitudinal axis of the adapter (3), multiple sliding blocks (4) connected by means of the pin (5) to the adapter (3), a block (1) fixed to the flange (2) and two interfaced and complementary series of dampers (6) connected to the pin (5). This ensures the reduction of the axial tensions which are transmitted along the adapter in response to stresses caused by rolling.

Abstract: A method of operating an engine includes starting and stopping operation of an internal combustion engine that includes a crankshaft having a bearing journal and a bearing in which the bearing journal is rotatable. The crankshaft is constantly turned when the internal combustion engine is in the non-fueled mode. An oil pump can be driven to lubricate the bearing journal and the bearing while the internal combustion engine is in the non-fueled mode to provide hydrodynamic lubrication. An engine is also disclosed.

Abstract: It is an object of the present invention to provide a sliding bearing which has a simple construction and thus can be produced easily and at a low cost and yet eliminates the need for the use of a heat insulation sleeve and the like and is capable of maintaining a frictional torque to a low extent. A sliding bearing (1) has an inner ring (2), an outer ring (3), and a sliding contact member (4) interposed therebetween. The inner ring (2) has a curved surface (2a) formed along an outer circumference thereof and a shaft-receiving hole which fits on a supporting shaft along an inner circumference thereof. The sliding contact member (4) is a molded body, made of resin composition, which has a curved surface (4a) making sliding contact with the curved outer circumferential surface (2a) of the inner ring (2) with the curved surface (4a) being opposed to the curved outer circumferential surface (2a).

Abstract: Particles, embedded into a sliding layer, have a coating, within which a lubricant, e.g., a liquid, is contained. A component with the sliding layer provides a sliding surface that can be used as a backup bearing to ensure emergency operating properties, for example, of a shaft that is mounted in a main bearing. When the shaft strikes the bearing surface, the coating of the particles that are exposed on the bearing surface are destroyed and the lubricant can exit. Advantageously, the sliding properties of the sliding surface are thereby improved.

Abstract: A spherical bearing has an outer ring with a concave bearing surface and an inner ring having a convex bearing surface, which is in sliding engagement with the concave bearing surface. A lubrication groove is formed in the convex bearing surface and/or the concave bearing surface. The lubrication groove is defined by a concave central portion and by convex side portions. The concave central portion has a first radius of curvature and the convex side portions have a second radius of curvature. The second radius of curvature is at least 0.7 times the first radius of curvature.

Abstract: A landing bearing for use in a magnetic bearing assembly is provided. The landing bearing includes a first landing surface configured to be mounted on a shaft and a bushing having a second landing surface configured to be mounted in a housing or in a stator coaxially with the landing sleeve. The second landing surface is arranged so as to face the first landing surface. It is proposed that at least one of the first landing surface and the second landing surface is provided with at least one recess for receiving lubricant.

Abstract: A cylindrical rotatable hub has interior and exterior cylindrical surfaces, an exterior end, a central extent, and an interior end. A fixedly positioned generally cylindrical spindle has an outer end and an enlarged annular inner end with a central extent axially between the outer and inner ends. Tapered inner and outer wheel bearings operatively couple the hub exteriorly and the spindle interiorly adjacent to the interior and exterior ends of the hub. The inner and outer wheel bearings are adapted to allow rotation of the hub with respect to the spindle. Lubricant input and output passageways extend through the inner end of the spindle.

Abstract: The invention relates to a plain bearing half liner for a crankshaft main bearing (24), with a slot (10) which extends in the circumferential direction over an angle of 90 to 170°, is closed at both circumferential ends of the plain bearing half liner and passes radially through the plain bearing half liner, and with an otherwise oil-groove-free sliding surface (11) on the inside of said plain bearing half liner.

Abstract: Provided is a sliding bearing that has a simple, easy-to-manufacture structure, does not require an insulating sleeve or the like, is not affected by the material or surface roughness of a roller against which the bearing slides, exhibits low friction torque and low wear, tolerates moment loads, and is easy to replace; as well as an image forming apparatus using the bearing.

Abstract: The present invention relates to a sliding bearing shell comprising an oil bore (16) which radially penetrates the sliding bearing shell for introducing oil in the sliding bearing shell, wherein one or more collecting grooves (18), which extend on the inner side (14) of the sliding bearing shell (10) in the circumferential direction, are provided for collecting the oil present in the sliding bearing shell, the grooves being surrounded completely and all the way around by a supporting surface (20).

Abstract: A bushing for a bearing assembly is provided. The bushing includes a tubular sleeve having an inner surface and an outer surface. An inner circumferential channel is provided on the inner surface of the bushing. An outer channel is provided diagonally on the outer surface of the bushing and is configured to be in fluid communication with a lubricant supply path. Further, the bushing includes a port connecting the inner channel and the outer channel of the bushing.

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: A main bearing (20) for supporting a rotating crankshaft (56) includes an upper shell (22) and a lower shell (24). An upper inner surface (32) of the upper shell (22) has an oil supply groove (26) extending circumferentially therealong, an oil stem groove (28) extending obliquely from the oil supply groove (26), and a pair of oil distribution grooves (30) extending from the oil stem groove (28) along and parallel to the oil supply groove (26) to present an F-shape along the upper inner surface (32) of the main bearing (20). The oil grooves (26, 28, 30) provide for improved lubrication of the main bearing (20) at startup and when the engine is idle or stopped, especially in electric and hybrid vehicles. The main bearing (20) also has exceptional strength and load bearing capacity.

Abstract: There is provided a slide bearing for a crankshaft of an internal combustion engine, having a pair of half bearings combined with each other to form the slide bearing, and a crush relief formed in each end portion region in a circumferential direction of an inner peripheral surface of each half bearing by reducing a bearing wall thickness over an entire width in an axial direction of the half bearing, wherein a relief depth RD which is a reduction amount of the bearing wall thickness of the crush relief is maximum at each end portion in the circumferential direction of the half bearing, and gradually decreases toward a center in the circumferential direction, and the relief depth RD is maximum in a center in an axial direction of the half bearing, and gradually decreases toward both end portions in the axial direction.

Abstract: The invention concerns an interference fit comprising a carrier and at least one stepped bushing seated with an interference fit on the carrier. The stepped bushing is made by shaping a sheet metal and is characterized by a special wall thickness configuration. Through this wall thickness configuration, it becomes possible to assure that the stepped bushing conforms to close shape tolerances in the pressed-in state in regions of functional relevance.

Abstract: In a journal bearing device having an upper bearing liner, a lower bearing liner, an upper base metal and a lower base metal, the lower bearing liner is divided into a sliding portion having a sliding surface and a clearance portion provided with a space between the lower bearing liner and a rotor, and is provided with an oil path formed on a back side of the sliding portion and extending from a border portion between the sliding portion and the clearance portion toward an upstream side in the rotational direction of the rotor, and an oil supply hole extending from an upstream end portion of the oil path to the sliding surface, and the lower base metal has an oil supply path and extending from an outer circumferential side of the lower base metal to the oil path at the border portion.

Abstract: A bearing includes a first member having a passageway configured to engage a shaft, the first member having a metallic material; and a second member disposed around at least a portion of the first member, the second member having a metallic material and at least one radially and inwardly bent portion capable of restricting axial movement of the first member. The first and second members are movable relative to each other.

Abstract: A self-lubricating composite bearing includes a casing and a bearing set. The bearing set comprises at least two bearing members. The casing axially defines an accommodation space through two opposite ends thereof for mounting the bearing set therein. An axial hole is defined through two opposite ends of the bearing set for the insertion of a shaft. The bearing set includes at least one neck portion. At least one storage chamber is defined between an inner surface of the casing and an outer surface of the at least one neck portion of the bearing set and stores a higher viscosity lubricant therein. At least one fine flow passage is defined through the at least one neck portion of the bearing set. The at least one storage chamber is in fluid communication with the axial hole of the bearing set via the at least one fine flow passage.

Abstract: A bearing for a vehicle suspension system is provided and includes an outer member and an inner member. The outer member defines a first inner surface and a first outer surface wherein the first outer surface is configured to engage an equalizer bar of the vehicle suspension system. The inner member defines a second outer surface and a bore therethrough defining a second inner surface. The inner member is configured to engage a frame of the vehicle suspension system. A first lubricious fabric liner is provided in communication with at least a portion of the first inner surface and the second outer surface. The first lubricious fabric liner slidingly engages at least a portion of one of the first inner surface and the second outer surface in response to relative movement between the equalizer bar and the frame of the vehicle suspension system.

Abstract: A slide bearing has at least one bearing shell for accommodating a component to be supported. The at least one bearing shell has two grooves that run in a circumferential direction on its slide surface, into which grooves guide elements for lubricant are laid. The grooves and the guide elements are disposed convergent to one another at least over a partial circumference of the slide surface. least one bearing shell for accommodating a component to be supported. The bearing shell has two grooves that run in the circumferential direction on its slide surface, into which grooves guide elements for lubricant are laid.

Abstract: An exemplary bearing for a turbocharger includes one or more thrust pads where each thrust pad includes a portion of a conical well; and a through-bore that includes lubricant channels, each channel configured to direct lubricant from the bore to a corresponding conical well of a thrust pad. Other exemplary technologies are also disclosed.

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 bearing support journal for an internal shaft of a gas turbine engine including a device for retaining a sealing sleeve surrounding the shaft is disclosed. The retaining device includes a full radial annular flange formed upstream on an axial cylindrical part of the journal, the full flange being intended to butt axially against a radial annular flange of the sealing sleeve; and a tangential immobilizing device for immobilizing the sealing sleeve with respect to the journal, the tangential immobilizing device being created downstream on the axial cylindrical part of the journal.

Abstract: The present invention provides a sliding bearing which is inexpensive, has a simple construction, and is capable of keeping a frictional torque low. A sliding bearing (1) supports a heat roller such as a fixing roller, a pressure roller, and the like of an image-forming apparatus is constructed of an outer ring (3) and an inner ring (2). The outer ring (3) is made of synthetic resin and the inner ring (2) is made of a sintered metal, or the outer ring (3) is made of a sintered metal and the inner ring is made of synthetic resin. The outer circumferential surface of the inner ring (2) is formed as a convexly curved surface, and the inner circumferential surface of the outer ring (3) is formed as a concavely curved surface corresponding to the convexly curved surface. The outer ring (3) is composed of two radially halved parts.

Abstract: A plain bearing includes a bearing body in which a body, which is to be stored, is arranged. The bearing body is surrounded by a supporting body. The bearing body has a partial joint arranged at an angle in relation to the horizontal. The plain bearing has an active cooling system and an articulated lubrication system.

Abstract: The present invention refers to a bearing shell segment (100) for internal combustion engines, composed of a body (C) defining an inner surface (1) that receives a coating and makes contact with a layer of lubricant oil film and an opposite outer surface (2), associable to a bearing, an inner surface (1) having at least a first area (10) substantially free from the compression load coming from the movement of the piston by the explosion of air-fuel mixture and a second area (20) which receives compression load coming from the movement of the piston by the explosion of air-fuel mixture, the first area (10) having at least a surface portion (3) to capture foreign particles present in the layer of lubricant oil film, the surface portion (3) comprising a plurality of cavities (4) positioned so as to enable at least one foreign particle to be captured and withheld by at least one of the cavities (4) while moving towards the flow of lubricant oil, before reaching the second area (20).

Abstract: There is provided a low-friction sliding member having a sliding surface slidable relative to an opposing member via an oil, wherein the sliding surface has a plurality of texture groups, each of the texture groups consists of at least two adjacent fine recesses having portions aligned to each other in either a sliding direction or oil flow direction; a distance between the texture groups is larger than a distance between the adjacent recesses; and the texture groups is distributed uniformly over the sliding surface.

Abstract: A sliding bearing 1 is formed cylindrically of a pair of half bearings 11 and 12. A dust pocket 4 formed of a recess part is formed in the inner peripheral edges of joining surfaces 11A and 12A of the half bearings 11 and 12, and foreign-substance discharge grooves 5 and 5? are formed in a sliding surface 3 continuing from the dust pocket 4. When lubricant oil is supplied to the dust pocket 4, foreign substances 6 mixed in the lubricant oil are caught by the dust pocket 4 and then, discharged efficiently to the outside of the sliding bearing 1 through the foreign-substance discharge grooves 5 and 5?. The sliding bearing 1 having favorable foreign-substance discharging performances can be provided.

Abstract: A bearing device includes a bush and a pin inserted into the bush, whereby an outer peripheral face of the pin and an inner peripheral face of the bush contact each other. At least two oil reservoirs are formed on the outer peripheral face of the pin are and elongated along the length of the pin. The interval between the reservoirs is such that an angular range centered on the pin axial center between the first reservoir and the last reservoir is not more than a center angle of 40 degrees centered on the pin axial center. At least one of the reservoirs is configured by a plurality of punctate concave portions.

Abstract: A sliding bearing includes a metal part formed by electroforming on an inner periphery of the sliding bearing and an oil feeding mechanism for supplying oil to the bearing gap. As a result, oil retained by the oil feeding mechanism is supplied to the bearing gap, so the lubricity between the bearing and the shaft member is improved by an oil film formed in the bearing gap. This makes it possible to avoid the generation of noise due to defective lubrication and wear of members due to the contact sliding between the bearing and the shaft member.

Abstract: The invention relates to a pillow block (1) for a segmented, media-lubricated plain bearing having a base body (2) comprising a contact surface (10); a sliding lining disposed on the contact surface (10) and forming a sliding surface (13), comprising a polymer material and associated with a center of area (12); characterized in that the material thickness of the sliding lining (3) in the direction of the surface normals of the sliding surfaces (13) in the unloaded state at the edge of the sliding surface (13) is greater than at the center of area (12), wherein the local differences in material thickness of the sliding lining (3) are formed by the surface profile of the contact surface (10) of the base body (2), and the contact surface (10) of the base body (2) comprises a convex profile or a raised area in the form of a level base in the region of the center of area (12).

Abstract: An exemplary method for limiting movement of an outer race of a bearing cartridge includes positioning the bearing cartridge in a substantially cylindrical bore having a longitudinal axis, an inner diameter exceeding an outer diameter of the outer race, a proximate end and a distal end; limiting axial movement of the outer race at the distal end of the cylindrical bore with a counterbore substantially coaxial to the cylindrical bore and having an inner diameter less than the outer diameter of the outer race; limiting axial movement of the outer race at the proximate end of the cylindrical bore with a plate positioned substantially orthogonal to the longitudinal axis; and limiting rotation of the outer race with a pin positioned in a pin opening accessible via a lubricant drain. Various exemplary bearing cartridges, housings, assemblies, etc., are also disclosed.

Abstract: An engine assembly may include an engine structure, a rocker arm assembly supported by the engine structure, and a camshaft. The rocker arm assembly may include a lever body, a support member coupled to the lever body, and a first roller member supported for rotation on the support member. The first roller member may include an annular body having first and second axial ends and an inner bore. The inner bore may receive the support member and include a groove extending from the first axial end to the second axial end. The groove may include a first portion at the first axial end rotationally offset relative to a second portion at the second axial end of the annular body. The first roller member may be rotated by rotation of the camshaft and the groove may be adapted to pump oil along the bore when the first roller member is rotated.

Abstract: The present invention discloses a self-lubricating bearing, which is a hollow cylindrical body with an axial hole in its center, exhibiting a structure formed by sintering a multiple of spherical alloys particles under microscopy. The self-lubricating bearing has a multiple of pores to receive lubricating oil. Further, the present invention provides a manufacturing process for making self-lubricating bearings.

Abstract: An exemplary bearing assembly includes a turbine side journal bearing with helical grooves along an inner journal surface where each helical groove includes a lubricant opening and opposing arms where each arm terminates at a respective axial surface of the journal bearing; a compressor side journal bearing with helical grooves along an inner journal surface where each helical groove includes a lubricant opening and opposing arms where each arm terminates at a respective axial surface of the journal bearing; and a spacer to space the turbine side journal bearing and the compressor side journal bearing along an axis. Various other exemplary devices, systems, methods, etc., are also disclosed.

Abstract: A bearing assembly for use in a deepwell submersible pump, the pump and a method of pumping a geothermal fluid. The bearing assembly is constructed to include a lubricant conveying mechanism, a bearing sleeve and a multilayer bushing. The lubricant is forced between the bushing and a bearing sleeve by the lubricant conveying mechanism that cooperates with the rotation of a shaft used to connect a power-providing motor with one or more pump impellers. In this way, there exists a substantially continuous lubricant environment between the sleeve and bushing to act in a hydrodynamic fashion.