Abstract: A rolling bearing capable of achieving reduction in torque is provided. The rolling bearing includes an inner ring and an outer ring disposed coaxially with each other, a rolling element disposed between the inner ring and the outer ring, a seal member configured to cover an area between the inner ring and the outer ring from an outside in an axial direction, and filled grease disposed between the rolling element and the seal member. The filled grease includes a first ring-like part which extends to form a circumferential shape centering on a common axis of the inner ring and the outer ring, and which has contact with one of the inner ring and the outer ring, and a second ring-like part which extends to form a circumferential shape centering on the common axis, which is connected to the first ring-like part at an outer side in the axial direction, and which has contact with the seal member.

Abstract: A grease tool for a unitized wheelend assembly is provided. The grease tool may have a plug with a fluid conduit to place a lubrication source in fluid communication with an inner bearing and a cap with a fluid conduit to place the lubrication source in fluid communication with an outer bearing. The grease tool may include a cylindrical body having an inner bearing support and an outer bearing support. The cylindrical body has an inner rotor and disc and an outer rotor and disc where the inner rotor and the outer rotor cause the discs to move between an extended and retracted position.

Abstract: An electrolyte and a method to electroplate a metal on a substrate using the electrolyte are described. The electrolyte includes an imidazolium compound, a metal salt, and water. The imidazolium compound has formula (I) wherein R1, R2, R3, R4, and R5 are each independently selected from an H atom and an organic radical. L? is a compatible anion. The metal salt can include but is not limited to salts of the metals Li, Mg, Ca, Cr, Mn, Fe, Co, Ni, Cu, Zn, Cd, Pb, Bi, La, Ce, Al, Ag, Au, Ga, V, In, Nb, Mo, and W.

Abstract: A bearing supporting an end of a layshaft in an internal combustion engine is lubricated by injection of oil through a flange that mounts the layshaft on the engine. A pressure responsive flow control valve controls delivery of oil through the flange to the bearing. A backflow prevention adapter prevents backflow of oil to the engine's oil pump.

Abstract: This propulsion unit for an aquatic vehicle consists of a mobile casing mounted in a pivot connection in relation to a hull element of the aquatic vehicle, a drive shaft of a propeller, said shaft being mounted rotatably within the mobile casing by means of at least one bearing consisting of a closed space adapted to be filled with a hydraulic fluid, an electrical machine being adapted to drive the rotary drive shaft in relation to the mobile casing, where the propulsion unit further consists of a module for conditioning the hydraulic fluid contained in the closed space of the bearing. The propulsion unit also consists of a control device to control the conditioning, the control device consisting of a temperature sensor and capable of activating the conditioning of the hydraulic fluid contained in the closed space according to the temperature measured by the temperature sensor.

Abstract: A system includes a processing station and a lubricant supply system in fluid communication with the processing station. The processing station is operable to process at least one of a tire and a wheel prior to joining the tire and the wheel to form a tire-wheel assembly. The processing station includes at least one of a tire lubricating sub-station or a wheel lubricating sub-station. The lubricant supply system includes a storage container configured to store a lubricant and a whipping device received by the lubricant container and operable to whip or blend the lubricant from a semi-solid state to a whipped state. The lubricant supply system also includes a pump operable to pump the lubricant in the whipped state out of the storage container.

Abstract: In an embodiment, an apparatus includes a body comprising an inner body wall and an outer body wall centered about a longitudinal axis. The inner body wall and the outer body wall form a ridge at a first end of the body, and the ridge is configured to receive a force applied to the apparatus. The apparatus includes a base at a second end of the body. The base includes a flange configured to form a seal against a container wall and an aperture centered about the longitudinal axis. The base is centered about the longitudinal axis. The apparatus includes an inlet protruding from the base in a direction towards the first end of the body, and the inlet is configured to secure the apparatus to a nozzle of a cartridge. The apparatus is configured to force a material into the cartridge in response to the force applied to the apparatus.

Abstract: A power operated rotary knife including: a handle assembly, a head assembly and a vacuum attachment assembly. The handle assembly includes an elongated cylindrical handle housing defining a handle assembly longitudinal axis extending through a throughbore of the handle housing. The head assembly includes a rotary knife blade rotatably supported for rotation about an axis of rotation in a blade housing and a frame securing the blade housing to the distal end of the handle assembly in a position offset from the handle housing, the axis of rotation of the rotary knife blade being spaced apart from and parallel to the handle longitudinal axis. The vacuum attachment assembly includes an adapter extending at an angle away from the handle housing such that a central axis of the adapter is transverse to the with respect to the rotary knife blade axis of rotation and the handle assembly longitudinal axis.

Abstract: A bench top bearing packer tool includes supply means for delivering a controlled amount of grease, support means for locating a bearing in a position where a bearing cage and rollers of the bearing may be lubricated with the grease delivered by the supply means, the supply means having a grease delivery outlet communicating with a grease livery inlet of the support means by a grease flow passageway, and a means for controlling the passage of grease through the inlet to the bearing cage and rollers of the bearing.

Abstract: A grease packing jig includes: a support table on which a bearing is placed; a disc-shaped inner lid placed on an inner ring of the bearing; an upper lid, and pressers arranged to engage with an upper surface of the upper lid. The upper lid is disc-shaped, has a larger diameter than the inner lid, has a grease pumping port and has a lower surface formed with an inner lid housing recess so as to leave a grease pumping space between the lower surface and an upper surface of the inner lid as well as between the lower surface and an outer circumferential surface of the inner lid. Grease can be packed into a gap space in the bearing from a grease packing port provided between an inner circumferential surface of the inner lid housing recess and the outer circumferential surface of the inner lid.

Abstract: A bearing-protection device for protecting and lubricating bearings. The bearing-protection device provides positive indication of lubrication levels provided to the bearings and includes a protector housing defining a lubrication chamber with an outer wall, a proximal end and a distal end. The device also includes a piston assembly movable within the lubrication chamber, the piston assembly biased in a direction generally toward the proximal end of the bearing protector housing, and a viewing window defined in the outer wall of the bearing protector housing. Indicia associated with the piston is viewable through the viewing window to indicate a level of lubricant within the chamber.

Abstract: Gas turbine engines systems and methods involving oil flow management are provided. In this regard, a oil pressure analysis system for a gas turbine engine is operative to: receive information corresponding to measured oil pressure and rotational speed during a start up of the engine; correlate the information into data sets, each of the data sets containing a measured oil pressure and a corresponding rotational speed; and determine whether the oil flow valve is functioning properly based on the information contained in the data sets.

Abstract: A bench top bearing packer tool includes supply means for delivering a controlled amount of grease, support means for locating a bearing in a position where a bearing cage and rollers of the bearing may be lubricated with the grease delivered by the supply means, the supply means having a grease delivery outlet communicating with a grease delivery inlet of the support means by a grease flow passageway, and means for controlling the passage of grease through the inlet to the bearing cage and rollers of the bearing.

Abstract: A lubricating grease charging device for automobile brake hub bearings include an operation spindle (10), an outer diameter of an upper body section thereof being slightly smaller than an inner diameter of an outer bearing (60) of the automobile brake hub (50), and an outer diameter of lower body section thereof being slightly smaller than an inner diameter of an inner bearing (70) of the automobile brake hub (50); the operation spindle (10) being provided in an outer bearing chamber and an inner bearing chamber of the automobile brake hub as well as in a cavity between the outer bearing chamber and the inner bearing chamber; a first closing member and a second closing member, which close a space in which the operation spindle (10) is disposed at two ends respectively; a lubricating grease charging passage, through which lubricating grease can be charged into the space in which the operation spindle (10) is disposed.

Abstract: A vehicle bearing grease applicator and method for applying a predetermined amount of grease to vehicle wheel bearings includes a hand-holdable bearing grease applicator having a hand-holdable body with a rigid flange disposed at one end and a resilient applicator flange secured to the hand-holdable body in spaced apart relation from the rigid flange. The resilient applicator flange defines an annular concavity facing in a direction opposite the rigid flange. Grease is packed in the annular concavity defined by the applicator flange. The hand-holdable body is held and manipulated so as to align the grease packed annular concavity with a vehicle annular wheel bearing. A force is applied on the hand-holdable body to force the annular flange with the annular concavity toward the vehicle annular wheel bearing thereby applying the grease held by the applicator flange onto the vehicle annular wheel bearing.

Abstract: A lubricating nipple (1) to be pressed into a bore (5) of a bearing bush (7) of a universal joint has a housing with a flow-through channel (22) to receive a lubricant. A check valve (25, 26, 27) is arranged in the through-flow channel (22). A seat portion (3) positions the lubricating nipple (1) in the bore (5) in the mounted condition. A coupling portion (2) couples the lubricating nipple (1) to a lubricating device. The coupling portion (2) has a first abutment face (10) that faces the seat portion (3). The mounted lubricating nipple (1), in the pressing-in direction, is axially supported by the first abutment face (10) against the thin-walled component (7). A collar portion (4) has a second abutment face (12). The second abutment face (12) is arranged opposite to the first abutment face (10). The mounted lubricant nipple (1) can be axially supported by the second abutment face (12) against the thin-walled component (7).

Abstract: A device comprises a rotor element which is connected to a stator element by at least one roller bearing, and a grease storage recipient for lubricating the roller bearing. The supply of grease from the grease storage recipient is controlled by a temperature-dependent expansion element.

Abstract: A pressure-regulated bearing assembly is provided for deployment within an aircraft bearing lubrication system. The pressure-regulated bearing assembly includes a vent valve and a bearing housing having an air cavity therein. The vent valve includes a valve housing having a main flow passage coupled to the air cavity. A valve element is disposed within the main flow passage and configured to move between (i) an open position and (ii) a closed position. A bellows is coupled to the valve element and configured to move the valve element from the open position to the closed position when the pressure within the air cavity surpasses a predetermined pressure threshold.

Abstract: A bearing-protection device for protecting and lubricating bearings. The bearing-protection device provides positive indication of lubrication levels provided to the bearings and includes a protector housing defining a lubrication chamber with an outer wall, a proximal end and a distal end. The device also includes a piston assembly movable within the lubrication chamber, the piston assembly biased in a direction generally toward the proximal end of the bearing protector housing, and a viewing window defined in the outer wall of the bearing protector housing. Indicia associated with the piston is viewable through the viewing window to indicate a level of lubricant within the chamber.

Abstract: A vehicle bearing grease applicator and method for applying a predetermined amount of grease to vehicle wheel bearings includes a hand-holdable bearing grease applicator having a hand-holdable body with a rigid flange disposed at one end and a resilient applicator flange secured to the hand-holdable body in spaced apart relation from the rigid flange. The resilient applicator flange defines an annular concavity facing in a direction opposite the rigid flange. Grease is packed in the annular concavity defined by the applicator flange. The hand-holdable body is held and manipulated so as to align the grease packed annular concavity with a vehicle annular wheel bearing. A force is applied on the hand-holdable body to force the annular flange with the annular concavity toward the vehicle annular wheel bearing thereby applying the grease held by the applicator flange onto the vehicle annular wheel bearing.

Abstract: An object of the present invention is to provide a grease packing jig capable of preventing an upper lid, which has a grease pumping port, from being lifted by grease pumping pressure while grease is being packed into gaps in a bearing. The bearing has a plurality of rolling elements arranged equidistantly on an outer circumferential surface of an inner ring by means of a retainer.

Abstract: The invention pertains to a lubricant collecting container with a cartridge that features an inlet opening for introducing lubricant and a ventilation opening A sealing element is movably arranged in the cartridge and blocks a fluidic connection between the inlet opening and the ventilation opening in a sealed fashion.

Abstract: Disclosed is a device for securing and lubricating a bushing. The device comprises: a first member having a first body portion, a first engaging portion extending outwardly from the first body portion, and at least one channel drilled through a lateral outer surface of the first engaging portion and extending along a complete length of the body portion; and a second member having a second body portion and a second engaging portion disposed internally and along a longitudinal axis of the second body portion. The first engaging portion mounts a bushing covering at least a portion of an opening of the channel on the lateral outer surface and engages with the second engaging portion, thereby sandwiching the bushing between the first member and the second member. Pressurizing a lubricant through the channel transmits the lubricant to an inner surface of the bushing through the opening of the channel on the first engaging portion.

Abstract: A working fluid injection apparatus has an upper chamber that stores a working fluid and a lower chamber that removably receives a bearing unit having a housing and a shaft that is inserted in the housing to form between the shaft and the housing a gap into which the working fluid is to be injected. A partition divides the upper chamber and the lower chamber into top and bottom parts, respectively. A first exhaust system brings the inside of the upper chamber to a decompressed state. A second exhaust system brings the inside of the lower chamber to a decompressed state. A valve unit opens and closes an internal cavity of the lower chamber relative to an external environment. A tapered hole is formed in the partition and communicates the upper and lower chambers to one another. A tapered shaft is inserted into the tapered hole from the upper chamber. A shaft drive unit moves the tapered shaft in the axial direction in the tapered hole.

Abstract: A working fluid injection apparatus for injecting a working fluid into a gap between a housing and a shaft of a bearing unit of a fluid dynamic pressure bearing. The apparatus has an adapter configured to support the bearing unit in a state in which an end portion of the shaft protrudes from an open portion of the housing. A cover member has an upper opening, a lower opening, and a tapered inner surface with a radial dimension that increases gradually from the lower opening to the upper opening. The cover member is configured to be mounted in contact with an upper surface of the housing when the bearing unit is supported by the adapter so that the lower opening of the cover member surrounds the open portion of the housing and so that the protruding end portion of the shaft and the tapered inner surface of the cover member form a reservoir portion that communicates with the open portion of the housing and that is configured to store a working fluid.

Abstract: A lubricating nipple (1) to be pressed into a bore (5) of a bearing bush (7) of a universal joint has a housing with a flow-through channel (22) to receive a lubricant. A check valve (25, 26, 27) is arranged in the through-flow channel (22). A seat portion (3) positions the lubricating nipple (1) in the bore (5) in the mounted condition. A coupling portion (2) couples the lubricating nipple (1) to a lubricating device. The coupling portion (2) has a first abutment face (10) that faces the seat portion (3). The mounted lubricating nipple (1), in the pressing-in direction, is axially supported by the first abutment face (10) against the thin-walled component (7). A collar portion (4) has a second abutment face (12). The second abutment face (12) is arranged opposite to the first abutment face (10). The mounted lubricant nipple (1) can be axially supported by the second abutment face (12) against the thin-walled component (7).

Abstract: The present invention is a lubrication system for movable pins connecting pivotable structural members of a deepwater floating oilfield production platform. The lubrication provides adequate lubrication for easing movement of the pins and also for maintaining the long-term functionality of the pins by reducing the corrosion of the pin assemblies. The lubrication of each of the pins is provided by a closed loop circulation system that provides sufficient flow and pressure to establish hydrostatic bearings around the bearing surfaces of the pin-connected members that are being axially assembled and between pin-connected members that are being rotated relative to each other. The lubrication system provides for continuously lubricating a static pinned connection for the purpose of preventing water intrusion and subsequent corrosion. Furthermore, the lubrication system provides a means for ensuring the lubrication of the most highly loaded zones of a laterally loaded pin connection.

Abstract: A bearing oil supply assembly includes (a) a plate member with opposed first and second sides, the plate member having a first bore formed in the first side which is adapted to receive a first bearing; (b) an annular manifold attached to the plate member such that the plate member and the manifold cooperatively define an annular oil gallery; and (c) a plurality of passages formed in the manifold, the passages cooperating with the plate member to define a plurality of generally axially-directed pathways in fluid communication with the first bore and the oil gallery. The passages are substantially evenly spaced around the circumference of the manifold. The oil supply assembly may be used to supply oil to two bearings carrying separate shafts running at different speeds.

Abstract: A lubricating grease charging device for automobile brake hub bearings include an operation spindle (10), an outer diameter of an upper body section thereof being slightly smaller than an inner diameter of an outer bearing (60) of the automobile brake hub (50), and an outer diameter of lower body section thereof being slightly smaller than an inner diameter of an inner bearing (70) of the automobile brake hub (50); the operation spindle (10) being provided in an outer bearing chamber and an inner bearing chamber of the automobile brake hub as well as in a cavity between the outer bearing chamber and the inner bearing chamber; a first closing member and a second closing member, which close a space in which the operation spindle (10) is disposed at two ends respectively; a lubricating grease charging passage, through which lubricating grease can be charged into the space in which the operation spindle (10) is disposed.

Abstract: A bench top bearing packer tool includes supply means for delivering a controlled amount of grease, support means for locating a bearing in a position where a bearing cage and rollers of the bearing may be lubricated with the grease delivered by the supply means, the supply means having a grease delivery outlet communicating with a grease delivery inlet of the support means by a grease flow passageway, and means for controlling the passage of grease through the inlet to the bearing cage and rollers of the bearing.

Abstract: Disclosed is a pneumatic grease applicator includes a receptacle in which a retainer that forms a tubular axle selectively fit into a bearing to which grease is to be applied and a presser that defines a bore fit over the axle are movably received. The presser forms a top cavity in which a nozzle for coupling an external grease source is fixed. Grease is pneumatically supplied through the nozzle into the tubular axle and discharge through radially-extending holes defined in the axle to cover the bearing fit on the axle. An air vent is formed in the presser for pressure balance. Sealing members are provided between side wall of the receptacle and both the retainer and the presser to prevent leakage of grease.

Abstract: A rotating flow diverter has a lubricated sealed bearing assembly for isolating bearing elements from wellbore fluids under pressure. The sealed bearing assembly is supported between an outer bearing housing and an axially rotatable quill. The bearing assembly further has bearing elements with a bearing lubricant under pressure and a seal assembly. The seal assembly has at least one sealing element which comprises a body, the body having an outer peripheral wall, an inner sealing surface having a plurality of sealing lips and an annular cavity, and a loading ring for compressionally fitting within the annular cavity to urge the sealing surface radially inwardly for sealing engagement with tubulars.

Abstract: The present invention relates to a bearing structure having a top end face, a bottom end face, and a bore communicating with the top and bottom end faces, and having at least two oil-guide channel disposed on the inner wall of the bore, extending axially and penetrating one of the same end faces of the bearing. When the present invention is applied to a motor structure, the oil-guide channel is upwardly or downwardly disposed by penetrating the top or bottom end face of the bearing. Hence, when lubricant is churned by the spindle to permeate and diffuse, the oil-guide channel can block and collect the rising lubricant for the bearing to absorb, circulate and reuse again in a timely manner, thereby effectively preventing lubricant from draining and prolonging the operational lifespan of a motor.

Abstract: A lubrication mechanism for a bearing is provided having an outer race; an inner race located radially inward of the outer race; a rolling element interposed between the outer race and the inner race; and a pair of shield members provided on both sides of the outer race and the inner race. The outer race, the inner race and the pair of shield members define an interior space located inside the pair of shield members and an exterior space located outside the pair of shield members. The interior space is filled with lubricant. A communication hole communicating between the interior space and the exterior space is formed in the pair of shield members, and a guide portion that guides the lubricant in the interior space to the exterior space through the communication hole.

Abstract: A pressure-regulated bearing assembly is provided for deployment within an aircraft bearing lubrication system. The pressure-regulated bearing assembly includes a vent valve and a bearing housing having an air cavity therein. The vent valve includes a valve housing having a main flow passage coupled to the air cavity. A valve element is disposed within the main flow passage and configured to move between (i) an open position and (ii) a closed position. A bellows is coupled to the valve element and configured to move the valve element from the open position to the closed position when the pressure within the air cavity surpasses a predetermined pressure threshold.

Abstract: A bearing lubricating device includes a container and a piston member is located in the container and movably in contact with an inner periphery of the container. The piston member includes a concaved top surface and a concaved underside. A center post is located at a center of the piston member and a central passage is defined axially through the center post and through the concaved underside. A plurality of passages are defined through the concaved underside and located around the center post. A grease fitting has a cone-shaped portion on a lower end thereof and a handle is located on a top end of the grease fitting. A recess is defined in the lower end of the grease fitting and the center post is securely engaged with the recess.

Abstract: A bearing-lubricating structure for a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft, a bearing assembly, an adjustment nut and an oil-filling assembly. The bearing assembly includes an assistant roller bearing which is positioned against the rear cover, the main shaft and the adjustment nut. The rear cover is defined with a lubrication oil piping, which is communicated to the assistant roller bearing and communicated to an annular lubrication space located between the rear cover and the adjustment nut. The oil-filing assembly is mounted on an open end of the lubrication oil piping. Thereby, with the abovementioned simplified structure, the main shaft can be lubricated, and the maintenance cost can be reduced.

Abstract: Disclosed is a pneumatic grease applicator includes a receptacle in which a retainer that retains a bearing to which grease is to be applied and a presser that securely holds the presser on the retainer are movably received. The receptacle has a bottom nozzle through which grease is continuously supplied from an external source under a pneumatically induced driving force, whereby the grease can be consecutively applied to a number of bearings without interrupts. Sealing members are provided between the retainer and the presser and side wall of the receptacle to prevent leakage of grease.

Abstract: A rotary union assembly for an automatic tire inflation system for maintaining the pressure in the tires on a tractor trailer or other vehicle having a source of pressurized air for communication with the tires. The assembly communicates the tires with the air source through the axle interior using a conduit having a rigid portion and a flexible portion that extends between a support in the axle spindle and a rotary union housing secured against the outside end surface of the hub cap so as to be outside the wheel lubrication compartment and rotatable with the hub cap. The two-component conduit allows for a durable seal with the support in the axle spindle and accommodates misalignment of the rotary union housing with the conduit support. Relief valves in the housing prevent excessive pressure buildups in the housing and in the hub cap in the event of an air leak.

Abstract: A method for filling the bearing gap of a hydrodynamic bearing with a lubricant, where drops of lubricant are produced in a defined manner and are applied to a defined region of the bearing to be filled.

Abstract: Disclosed is a pneumatic grease applicator includes a receptacle in which a retainer that forms a tubular axle selectively fit into a bearing to which grease is to be applied and a presser that defines a bore fit over the axle are movably received. The presser forms a top cavity in which a nozzle for coupling an external grease source is fixed. Grease is pneumatically supplied through the nozzle into the tubular axle and discharge through radially-extending holes defined in the axle to cover the bearing fit on the axle. An air vent is formed in the presser for pressure balance. Sealing members are provided between side wall of the receptacle and both the retainer and the presser to prevent leakage of grease.

Abstract: A device for lubricating contra-sliding parts of a tool device having a drive for effecting the sliding operation, wherein the device has a lubricant dispensing device for the moving parts, which lubricant dispensing device can be actuated by means of the same drive. A method for lubricating contra-sliding parts of a tool device having a drive for effecting the sliding operation, wherein a lubricating pulse is triggered by the following method steps: measuring of the path covered in the operating phase of the sliding parts, recording of the individual path lengths by means of a counter, comparison of the total actual path length with a total path length after which a lubricating pulse is intended to be triggered, and triggering of a lubricating pulse by the same drive for the sliding parts after the cumulative total path length has been reached.

Abstract: A composition for cleaning bearings in rotating equipment and industrial machinery that contains powdered limestone having a high calcium content dispersed in a calcium sulfonate grease, together with a colorant that readily enables a user to differentiate between contaminated grease, cleaning composition and fresh grease. A method is also disclosed that enables a user to clean and re-lubricate bearings without the need for removing the bearings from service or for shutting down the associated equipment or machinery.

Abstract: A bearing housing comprising an annulus having an aft side and a forward side, a barrier extending from the aft side to the forward side to form a first and second zone, a first opening in the first zone extending through the forward side, and a second opening in the second zone extending through the forward side at least a portion of the first opening being at a level lower than a lowermost level of the second opening.

Abstract: A device for feeding oil to a seat of a bearing (5) that supports a rotatable shaft (3) includes an annular oil reservoir (14) surrounding a seat of the bearing (5), an oil pump (8) having two spindles (10, 11) with oppositely extending, respectively feeding channels, oil delivery conduit means (20); and oil return conduit (24, 25, 26, 27) provided on axially opposite sides of the bearing seat.

Abstract: A prescribed volume of lubricant is transferred from a lubricant discharge port 8 of a liquid volume discharge device to a rolling element 703 of a rolling bearing 700 when the lubricant discharge port 8 is positioned directly above and close to the rolling element 703, whereby the lubricant is applied to the interior of the rolling bearing 700. Further the application system inspects whether or not a prescribed volume of lubricant is injected from the discharge device for injecting a lubricant into the interior of a rolling bearing 700.

Abstract: A method and apparatus for filling a motor having a fluid dynamic bearing is provided. In one embodiment, a method for filling a motor having a fluid dynamic bearing having at least two passages coupling the bearing to the surrounding environment includes the steps of moving a fluid injection tool into contact with the fluid bearing motor, sealing the fluid injection tool to the fluid bearing motor, and injecting fluid from the fluid injection tool into a first passage coupled to the fluid dynamic bearing. In one embodiment, an apparatus for filling a motor having a fluid dynamic bearing having at least two passages coupling the bearing to the surrounding environment includes a body coupled to an actuator and fluid transfer mechanism. The actuator is adapted to move the body and fluid transfer mechanism is adapted to dispense fluid through a fluid port formed in the body. A seal is coupled to the body and adapted to seal the fluid port to a fluid bearing injection motor during filling.

Abstract: A method for reducing the presence of ferritic particles in lubricant employed in the lubrication of rotary shaft bearing of the type comprising a first bearing contact surface, a second bearing contact surface and a plurality of rotatable bearing members disposed therebetween, a lubrication system employing such method and a lubricated assembly. The method comprises providing a ferritic particle collector element of magnetised material in close proximity to the bearing and the path of lubricant flowing to the bearing, the close proximity being within a distance from the bearing contact surface which is less than five times the maximum diameter of the bearing contact surfaces. The collecting element may comprise an existing component of a lubrication system or lubricated assembly which is rendered magnetic or may comprise a magnet or magnets secured to an existing component.

Abstract: An axle bolt has a shaft with a pair of opposed ends. An axle passage extends within the shaft and a transverse passage extends radially outwardly from the axial passage. A head attached to one end of the shaft has an outer face. A recess extends in from the outer face and the bottom of the recess is in communication with the axial passage. A lubrication fitting in the recess has one end in communication with the bottom of the recess and another end designed to be connected to a lubrication device. The recess in the bolt head is sufficiently deep that the second end of the lubrication fitting is within the recess and does not extend beyond the outer face.

Abstract: In a lubricant application system, a prescribed volume of lubricant is transferred from a lubricant discharge port 8 of a prescribed liquid volume discharge device to a rolling element 703 of a rolling bearing 700 in a state in which the lubricant discharge port 8 is positioned directly above and sufficiently close to the rolling element 703, whereby the lubricant is applied to the interior of the rolling bearing 700. Further, the application system inspects whether or not a prescribed volume of lubricant is injected from the discharge device for injecting a lubricant into the interior of a rolling bearing 700.