Abstract: Pipe replacement devices, and systems are shown. Devices and systems may include jointed cutters and floating cutters to navigate difficult pipe replacement conditions. Devices and systems may also include replacement pipe with pre-installed supply hoses, such as lubricant supply and/or pneumatic supply hoses. Methods of pipe replacement are also described, including splitting old pipe and pulling in new pipe behind the equipment as splitting progresses.

Abstract: A grease pumping device includes a pump body, a driving mechanism, a plunger pair, a reversing valve and a lever mechanism. A switching action between each valve position of a valve core of the reversing valve is driven by the lever mechanism. An output rotating shaft drives a toggle member rotating therewith, and when the output rotating shaft rotates reciprocally in forward and reverse directions, the toggle member toggles the lever mechanism in the forward and reverse directions, such that the lever mechanism swings reciprocally. At least one of the lever mechanism and the toggle member is an elastic structure, when the output rotating shaft rotates, the toggle member contacts the lever mechanism and drives the valve core to operate, when the valve core is switched to a corresponding valve position, the toggle member and the lever mechanism slide relatively by elastic deformation of the elastic structure.

Abstract: A gear arrangement, in particular for a rotary connection of a wind turbine, comprising a first gear, a second gear in engagement with the first gear, wherein in the engaged position a gap space is provided between a first tooth and a second tooth of the first gear and a tooth of the second gear, and a sealing element which seals off the gap space to prevent lubricant escape.

Abstract: A system for delivering bone graft material into an interbody fusion device (IBFD) in an intradiscal space of a spine, the IBFD having an open-frame with a hollow interior and an opening through its proximal end communicating with the interior. Included is an elongate channel having a lumen extending therethrough, the distal end being in engagement with the IBFD to align the lumen with the opening through the proximal end of the IBFD. An adjustable block is movably attached to the channel, the block having plural chambers containing bone graft material, the chambers being individually sequentially alignable with the lumen. A plunger pushes graft material from each chamber, through the lumen and into the IBFD. A distal end of a tamper is configured to be inserted through each chamber and the lumen and into the IBFD interior for tamping graft material deposited into the interior of the IBFD.

Abstract: A system and method for lubricating gears in a wind turbine blade pitch drive are provided, wherein the pitch drive comprises a drive pinion gear with gear teeth that engage a pitch bearing gear coupled to a respective wind turbine blade. A grease distributor is configured to mount onto and rotate with the pinion gear, and is configured to deliver grease from an external grease supply to at least one valley defined between adjacent teeth of the pinion gear in a contact area of the pinion gear with the bearing gear without the distributor contacting inter-engaging teeth of the bearing gear.

Abstract: A machine element having only a first component of a two-component grease, wherein the first component includes a thickener, and a second component includes a fluid lubricant, whereby the two-component grease is obtained by mixing together the first component and the second component.

Abstract: A method of and an arrangement for improving the lubrication system of a propulsion device of a marine vessel are specifically applicable in removing water from the lubrication oil of various types of thrusters. An inert gas is arranged from an inert gas source to flow through a gas cavity in the lubrication system for flushing moist gas from the cavity.

Abstract: A seat recliner and an oil collecting element can re-collect the lubricating oil between a friction pair to friction surfaces, so as to reduce the wear rate. The oil collecting element is fixedly connected with one component in a friction pair of the seat recliner. The oil collecting element has an end face facing towards the other component in the friction pair, and each of two ends of the end face is provided with a boss, so as to form an oil collecting gap in the middle of the end face. The side face of the boss is an oil guiding face, and is configured gradually closer to the center of the oil collecting gap from outside to inside.

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 disk shaped lubricating fluid dispenser to dispense lubricating fluid on rotating disks requiring film lubrication is described. The various embodiments provide a relatively constant and uniform 360-degree coverage of lubricating fluid on a rotating disk via a plurality of diffusing pins.

Abstract: A lubricant supply device includes a solid lubricant, a lubricant holder to hold the solid lubricant, a lubricant supply member to supply lubricant to a lubrication target, a pressing member to press the solid lubricant toward the lubricant supply member, and a pressing force adjuster to change an amount of pressing force exerted by the pressing member.

Abstract: A lubrication device is provided comprising a lubricant container (1) for containing a lubricant, an outlet opening and an adjustable release mechanism. The outlet opening is provided at a first end of the lubricant container (1) for releasing the lubricant. The adjustable release mechanism comprises, at a second end of the lubricant container (1), an insert (5) which is rotatable relative to the lubricant container (1) for setting a release rate of the lubricant. The lubrication device (1) further comprises a protective cap (6) comprising a hard cover (7). The hard cover (7) covers the insert (5) and the second end of the lubricant container (1). The hard cover (7) has a smooth outer surface and an inner surface comprising engaging means (9) for engaging with the insert (5), such that the protective cap (6) is rotatable together with the insert.

Abstract: A crankshaft has a receiving platform for catching lubricant dropping from a main bearing assembly. The receiving platform has at least one wall disposed thereon. The wall has one point that is the furthest from the rotational axis of the crankshaft. One channel is defined in the platform and has an inlet disposed close to the point of the wall that is furthest from the rotational axis of the crankshaft. The channel has an outlet in the vicinity of a connecting rod bearing assembly, so that lubricant dropped on the receiving platform will flow to the connecting rod bearing assembly.

Abstract: A turbomachine with a shaft supporting a turbine wheel is supported for rotation in a housing. The shaft extends through a bore in the housing and a bearing assembly is disposed in the bore. The turbomachine has a first lubricating fluid slinger comprising a screw thread that is engageable with a threaded section of the shaft such that the first lubricating fluid slinger is screwable along the threaded section of the shaft so as to apply a compressive preload to the bearing assembly.

Abstract: A lubricant tank includes a lubricant tank discharge passageway at least partially within the lubricant tank body, a porous media mounted within the lubricant tank body.

Abstract: A lubricant applicator includes: a lubricant application unit that is arranged so as to be in contact with a surface of an image carrier, scrapes a solid lubricant, and applies the solid lubricant onto the surface of the image carrier while moving a surface of the lubricant application unit; a lubricant holding member that holds the solid lubricant; and a lubricant biasing unit that biases the solid lubricant against the lubricant application unit. The lubricant biasing unit is housed in a housing under a state that one end of the lubricant biasing unit is held by the lubricant holding member so that a position of the one end of the lubricant biasing unit is restricted, and another end of the lubricant biasing unit is held by a biasing-unit holding member that is provided to restrict a position of the another end of the lubricant biasing unit.

Abstract: A wellbore tool includes a non-hydrocarbon-based grease disposed between a first component and a second component. The grease remains substantially impermeable to hydrocarbons at temperatures up to at least about 150° C. and possibly up to at least about 200° C., and pressures up to at least about 27 MPa and possibly to at least about 50 MPa. Methods of forming such wellbore tools include selecting a grease to comprise a non-hydrocarbon-based grease that remains at least substantially impermeable to hydrocarbons at temperatures up to at least about 150° C. and possibly up to at least about 200° C., and pressures up to at least about 27 MPa and possibly to at least about 50 MPa; and disposing the grease at an interface between a first component of a wellbore tool and a second component of a wellbore tool.

Abstract: A device and method are described for extending the life of check valves. An improved check valve having a double poppet and tapered guides is more robust, and a check valve protection device between the check valve and the environment into which fluid is injected protects the valve from a contaminating or corrosive environment. The check valve and check valve protection device are small and light weight to prevent vibration-induced failures. The check valve protection device preferably has an interior volume that fills quickly by relatively few cycles of the lubricant pump to reduce delay of lubricant to the injection point.

Abstract: The present invention relates to a machine system comprising a machine having at least a first section and a second section, the first section having a first velocity and the second section having a second velocity, the second velocity being different from the first velocity, and a lubrication system comprising at least one tank having one lubricant, the lubrication system being connected to the first and second sections. Furthermore, the invention relates to a wind turbine comprising the machine system.

Abstract: Provided herein is an apparatus, including a stationary component; a rotatable component; a fluid dynamic bearing defined by the stationary component and the rotatable component; a first channel substantially parallel to the fluid dynamic bearing; a second channel substantially perpendicular to the first channel; and a fluid reservoir substantially parallel to the first channel, wherein the second channel fluidly connects the fluid reservoir to the first channel.

Abstract: An automatic lubrication system includes a reservoir configured to be coupled to an industrial machine component, a lubricant line coupled to the reservoir, and a mechanism coupled to the reservoir, the mechanism configured to exact an amount of lubricant from the reservoir based solely on movement of the industrial machine component.

Abstract: A method for treating pipe string sections being in a set-back and being arranged in a vertical position comprises arranging a remote-controllable manipulator at least at one of the threaded portions of the pipe string sections. In addition, the method comprises providing the remote-controllable manipulator with a tool. The tool is arranged to at least clean or lubricate said threaded portion. Further, the method comprises moving the tool to a threaded portion which is to be treated and at least clean or lubricate the threaded portion.

Abstract: A system and method for lubricating gears in a wind turbine blade pitch drive are provided, wherein the pitch drive comprises a drive pinion gear with gear teeth that engage a pitch bearing gear coupled to a respective wind turbine blade. A grease distributor is configured to mount onto and rotate with the pinion gear, and is configured to deliver grease from an external grease supply to at least one valley defined between adjacent teeth of the pinion gear in a contact area of the pinion gear with the bearing gear without the distributor contacting inter-engaging teeth of the bearing gear.

Abstract: A lubricant scoop is disclosed herein. The lubricant scoop comprises an annular body encircling a central axis. The annular body is operable to rotate about the central axis in a first direction. The lubricant scoop also comprises a plurality of lubricant passageways defined in the annular body. Each of the plurality of passageways extends radially inward toward the central axis from respective entry ports to respective exit ports. The lubricant scoop also comprises an entry plenum defined in the annular body. The entry plenum is upstream of and fluidly communicates with each of the plurality of passageways. The entry plenum has an upstream opening operable to receive lubricant from a lubricant spray nozzle.

Abstract: A leaf spring (S) and a lubricating member (L) are combined together and then mounted. The lubricating member (L) has a pair of protrusions (9) protruding from one of the two sides thereof to make contact with an outer ring (2) and a pair of wall faces (13) formed on the other side opposite to the pair of protrusions (9). The leaf spring (S) is formed in a mountain-like shape in cross section and provided with a pair of protruding pieces (14) that protrude from bottom edges of the mountain-like shape and respectively make contact with the wall faces (13) of the lubricating member to pinch the wall faces (13).

Abstract: There is provided a lubricating device for a device to be lubricated having at least two friction members, wherein the lubricating device includes producing an oxygen-free aerosol of a liquid lubricant in a carrier fluid, and supplying the aerosol to the device to be lubricated. A method is also provided.

Abstract: A device provides lubricant protection and includes at least two friction members, at least one lubricant reservoir for a lubricant arranged in the device, and at least one lubricant protection arrangement having flow means for enabling a lubricant protection gas to flow through the lubricant in the lubricant reservoir and the device. A method is also provided.

Abstract: Dynamically-lubricated bearings and methods of dynamically lubricating bearings, including bearings used in gas turbine engines. Such a bearing includes an inner race having an inner race groove between a pair of inner race cage lands, an outer race having an outer race groove between a pair of outer race cage lands and opposes the inner race groove, rolling elements disposed between the inner and outer races and in rolling contact with the inner and outer race grooves, and a cage disposed between the inner and outer races to maintain separation between the rolling elements. A lubricant is introduced into a cavity between the inner and outer races, and rotation of the inner race relative to the outer race causes the lubricant to exit the cavity through recessed surface features in at least one of the inner and outer race cage lands.

Abstract: A lubrication cartridge includes a cartridge body. A cartridge coupling is located on the cartridge body and defines a first passage and a second passage. A lubricant reservoir is housed in the cartridge body and comprises a pressurized fluid inlet coupled to the first passage and a lubricant outlet coupled to the second passage. A metering insert is located between the lubricant outlet and the second passage and comprises a density that controls lubricant flow between the lubricant reservoir and the second passage.

Abstract: An apparatus, system, and method for the enclosed and automated lubricating of fasteners is disclosed. In one embodiment, the apparatus includes a sleeve having an inside diameter larger than a diameter of the fastener, wherein the sleeve has at least one conduit located therein for dispensing lubricant onto the fastener; and a lubricant supply line coupled to the sleeve for supplying lubricant into the inside diameter of the sleeve for lubricating the fastener. The sleeve also has a pilot for maintaining the sleeve in a centered location about the fastener, wherein the centering ring has a diameter larger than the diameter of the fastener and smaller than the inside diameter of the sleeve. An optional scraper, such as an o-ring, is coupled to the sleeve to remove excess lubricant from the fastener when the fastener is removed from the sleeve.

Abstract: A lubricant coating device related to the present invention is characterized in that it comprises a lubricant supply unit 12 which supplies a lubricant 11 onto an outer peripheral surface of an image carrier 1 that is driven to rotate and a lubricant smoothing unit 13 which is disposed on the downstream side in a rotating direction of the image carrier 1 of the lubricant supply unit 12 and smoothes the lubricant 11 supplied onto the outer peripheral surface. In the lubricant coating device, the lubricant smoothing unit 13 rotates while being in surface contact with the outer peripheral surface of the image carrier 1 and thereby smoothes the lubricant 11 supplied onto the image carrier 1 by the lubricant supply unit 12.

Abstract: A metering device for dispensing a predetermined amount of lubricant includes a lubricant reservoir, which retains a lubricant and dispenses it under pressure via an outlet of the lubricant reservoir, and a metering apparatus, which comprises at least one microvalve. The microvalve is fluidly coupled with the outlet of the lubricant reservoir and dispenses the predetermined amount of lubricant in a defined manner. The metering apparatus is spatially separable from the lubricant reservoir.

Abstract: A structure (200) for containing a volume of lubricant additive gel (10) which is disposed within a mechanical system, in close proximity to a wear critical surface, and which is configured to provide a release of the contained additives into a flow of lubricant over time or as a function of temperature in a site-specific manner to minimize wear or reduce oil oxidation due to harsh operating conditions. The structure defines a cage or capsule with screen or mesh sides (202) having multiple perforations or openings through which the flow of lubricant may circulate. Within the contained volume of the structure (200), additives are disposed in a gel matrix (10), and are release over time or as a function of temperature, through the perorations or openings, in close operative proximity to wear critical surfaces of the mechanical system such as a bearing assembly or gear arrangement.

Abstract: As lubricating construction for a spline coupling portion for connecting a rotating shaft of a generator-motor and a rotating shaft of a hydraulic pump both actuated by an engine, a lubricating oil chamber communicating with the spline coupling portion is formed within a motor casing of the generator-motor, while in a pump casing of the hydraulic pump there is formed an oil passing hole providing communication between the lubricating oil chamber and an oil chamber in the hydraulic pump on an outer periphery side of the rotating shaft of the hydraulic pump, thereby forming an oil passage for allowing working oil present within the hydraulic pump to circulate through a route including the spline coupling portion.

Abstract: A lubricator comprises a container of variable volume holding a lubricant and having an opening for dispensing the lubricant. An electromechanical or electrochemical actuator operated by a control circuit makes it possible to reduce the volume of the container. An electrical circuit for displaying the state of the lubricator comprising a light source can emit at least one alarm light signal. A lid affixed to the container in a removable manner constitutes a housing for the electrical signal display circuit and defines a reference axis of the lubricator. A light diffuser guides the light emitted by the light source towards numerous light outlets distributed along the circumference of the lid in a manner that at least one of the light outlets is visible regardless of the position of an observer facing the lubricator and is located on a circle of observation centered on the reference axis of the lubricator.

Abstract: A bushing lubricator includes an elongate body having a lubricant passage extending from an inlet opening to an outlet port. The elongate body includes a connection portion at the inlet opening for engaging with a lubricant tray of a lubricating system, a main body portion in a central region, and a bushing lubricator portion of a width to accommodate a bushing with an interior surface of the bushing surrounding the bushing lubricator portion. The outlet port on a periphery of the bushing lubricator portion discharges lubricant onto the interior surface of a bushing.

Abstract: A washer, including a central axial hole, a first oil retainer, a second oil retainer, and a transition groove. The central axial hole allows a motor shaft to pass therethrough. The first oil retainer and the second oil retainer are formed on the washer. The transition groove is disposed between the first oil retainer and the second oil retainer.

Abstract: Provided are formulations, methods of making, and methods of using a functional fluid of the present invention to achieve and maintain optimal frictional characteristics in machines housing that fluid, wherein the functional fluid comprises, among others, a friction-modifying amount of an alkyl toluene sulfonate salt or a mixture of alkyl toluene sulfonate salts.

Abstract: A powered lubricant fluid-delivery applicator structure comprises a casing having a closed end, and an open end opposite the closed end. A fluid-conducting applicator is located within the open end. The fluid-conducting applicator has an internal applicator section located within the casing, and an external applicator section extending outside the open end. A fluid is within the casing, and the fluid comprises a liquid and a powdered lubricant suspended in the liquid. The external applicator section comprises a tip having a V-shaped recess corresponding to a blade to which the powdered lubricant is applied.

Abstract: There is provided a sheet finishing apparatus according to an embodiment that includes an external wall with a discharge port of sheets, a movable tray on which the sheets discharged from the discharge port are stacked and which moves up and down along the external wall according to the number of stacked sheets, and a lubricant supply unit which moves up and down together with the movable tray and applies a lubricant to the external wall.

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: A machine includes, but is not limited to at least one first shaft, which is mounted so it is rotatable in a housing, a lubricant duct extending in the first shaft along its axis, and at least one lubrication point, which is supplied with lubricant via a supply line comprising the lubricant duct. A section of the supply line runs in a first wall of the housing between an outlet opening of the lubricant duct and the lubrication point.

Abstract: A lubricant supply device comprises a tank configured to hold a lubricant. At least one movable piston unit is disposed in the holding tank and at least partially defines a lubricant chamber. The lubricant chamber has at least two openings, of which one is a lubricant inlet and the other is a lubricant outlet. A first one of the openings is disposed in the movable piston unit.

Abstract: A mechanical system for high acceleration loading includes a mechanical element configured for rotational movement in a high acceleration environment. The mechanical element possesses a first density. A lubricant having a second density is disposed about the mechanical element. The first and second densities are substantially identical such that the mechanical element is substantially neutrally buoyant in the lubricant.

Abstract: The present invention relates to an oil recovery member, and a motor mechanism and a compressor using the same. The oil recovery member is provided to prevent oil rising along a rotation shaft from being discharged with refrigerant, and relative sizes such as installation positions between the oil recovery member and components adjacent thereto are restricted. Therefore, since the oil flow is guided through a passage defined between the oil recovery member and the adjacent components, the oil can be efficiently recovered, so that an oil circulation rate of a freezing cycle can be reduced and compression efficiency can be improved.

Abstract: Methods and apparatus for applying a uniform application of an appropriate quantity of lubricant to the internal threads of a pipe. In general, the apparatus includes a high pressure supply of lubricant and a high speed, rotating centrifugal applicator for evenly applying the lubricant to internal threads. The system also includes a dosing system to regulate the distribution of lubricant by dispensing a consistent volume of lubricant at each application. Potential advantages of the embodiments include the repeatability and consistency of amount of lubricant on pipe threads (e.g. thickness).

Abstract: A pipe pulling lubrication apparatus includes a pipe anchor having an anchor body. The anchor body includes a first coupling feature near an anchor body proximal portion and a distal pipe coupling feature near an anchor body distal portion. The distal pipe coupling feature is configured to couple and position a replacement pipe exterior surface near an anchor body exterior surface. The lubrication apparatus further includes a lubrication system including a lubricant conduit extending within the anchor body from the distal pipe coupling feature toward an anchor body intermediate portion between the first coupling feature and the distal pipe coupling feature. The lubrication system includes a lubricant distributor having one or more lubricant passages extending from the lubricant conduit toward the anchor body exterior surface, the lubricant distributor is configured to deliver a lubricant to the replacement pipe exterior surface.

Abstract: A lubricant applicator includes: a lubricant application unit that is arranged so as to be in contact with a surface of an image carrier, scrapes a solid lubricant, and applies the solid lubricant onto the surface of the image carrier while moving a surface of the lubricant application unit; a lubricant holding member that holds the solid lubricant; and a lubricant biasing unit that biases the solid lubricant against the lubricant application unit. The lubricant biasing unit is housed in a housing under a state that one end of the lubricant biasing unit is held by the lubricant holding member so that a position of the one end of the lubricant biasing unit is restricted, and another end of the lubricant biasing unit is held by a biasing-unit holding member that is provided to restrict a position of the another end of the lubricant biasing unit.

Abstract: A lubricator for use with a coiled tubing injector comprising an elongated housing having a first end and a second end. There is a guide system disposed in the housing for guiding coiled tubing passing through the housing, a first director proximal the first end of the housing to direct the coiled tubing in a first direction and a second director proximal the second end of the housing to direct the coiled tubing in a second direction.

Abstract: A window regulator assembly for moving a window pane between an open position and a closed position includes a rail and a lifter plate slidably coupled with the rail. The lifter plate is coupled with the window pane and is guided by the rail to move the window pane between the open and closed positions. A lubrication system lubricates the rail as the lifter plate moves the window pane between the open and closed positions. The lubrication system includes a reservoir contained within the lifter plate, a lubricant storing and releasing material disposed in the reservoir, and an applicator extending from within the reservoir to lubricate the rail.