Abstract: flow control arrangement for controlling the flow of lubricant discharged from a bearing includes a flow control member locatable, in use, adjacent to the bearing. The flow control member defines a generally radially outer edge and is rotatable to direct lubricant discharged onto the flow control member radially outwardly towards the outer edge for ejection therefrom.

Abstract: An axle system is provided that included an axle assembly having an axle member, a gear coupled with the axle member, and a housing encasing a lubrication fluid and at least a portion of the axle member and the gear therein. A device may selectively heat and/or cool the lubrication fluid at one or more regions of the axle system.

Abstract: A lubrication scavenge system is disclosed herein. The lubrication scavenge system includes a sump housing substantially encircling a structure disposed for rotation about an axis. The sump housing has an inwardly-facing surface extending at least partially about the axis in a spiral path. The spiral path increases in radial distance from the axis in the direction of rotation of the structure, in a plane perpendicular to the axis. The spiral path extends 360°.

Abstract: An axle assembly having an axle assembly with first and second sumps for holding a lubricant. A rotating ring gear associated with a differential can rotate through the lubricant in the first sump to cause a portion of the lubricant to cling to the ring gear. A portion of the lubricant that has clung to the ring gear can be removed from the ring gear and transferred to the second sump. The lubricant in the second sump can be drained to lubricate teeth of a pinion that is in meshing engagement with the ring gear and/or to lubricate bearings that support the pinion. A related method is also provided.

Abstract: A device for optimizing the oil delivery function of the ring gear of a differential to maximize the volume of oil flow. The device includes an annular disk (6) which, when viewed in an axially direction, is arranged adjacent the ring gear (1) on the side of the ring gear (1) facing the differential cage (5) and is coaxial with the ring gear (1). The annular disk (6) also serves as a scraper ring.

Abstract: A downhole seal includes a body configured to dynamically seal to a portion of a downhole tool and a lubricant microencapsulated in a plurality of shells to form a plurality of micro particles dispersed within the body.

Abstract: A drive gear includes a plurality of internal radial channels extending between the axial bore and the periphery of the gear, and an axial bore includes a lubricant distribution structure therein to provide lubrication where the teeth of the drive gear mesh with the teeth of a gear driven by the drive gear.

Abstract: A supercharger for an internal combustion engine having an internal reservoir adapted to receive a supply of lubricating oil. An oil slinger is mounted on the impeller shaft for rotation therewith that extends into the reservoir for collecting and slinging lubricating oil onto the supercharger bearings, shafts and the drive and impeller gears. A baffle assembly is carried by the interior of the supercharger housing for controlling the volume and flow of lubricating oil onto said gears and bearings and directing oil flow therefrom back into said reservoir to prevent excessive lubrication buildup on the gears and the deleterious effects that result therefrom.

Abstract: A lubrication system comprising a bore including an inlet for receiving lubrication, an outlet for distributing lubrication, and a inner passageway extending between the inlet and outlet is provided. The outlet may be provided with a wider opening than the passageway. The outlet may further include a groove having a radius of curvature, and defined by a pair of flat or curved sidewalls, and a pair of curved end walls each extending toward the inner passageway.

Abstract: A method of lubricating a wind turbine gearbox comprising using a lubricating composition comprising at least one (i.e. one or a mixture of more than one) perfluoropolyether (PFPE) lubricant which comprises a perfluorooxyalkylene chain, said perfluorooxyalkylene chain comprising recurring units having at least one ether bond and at least one fluorocarbon moiety. A wind turbine gearbox comprising a lubricating system containing said lubricating composition.

Abstract: A method and apparatus for scavenging lubricant is disclosed herein. In the invention, a rotating structure is encircled within a sump housing and subjected to lubrication. The sump housing collects high-momentum lubricant flow and low-momentum lubricant flow. The interior of the sump housing is separated into a plurality of chambers with at least one dynamic seal. The at least one dynamic seal extends between the sump housing and the rotating structure to isolate the high-momentum lubricant flow from the low-momentum lubricant flow.

Abstract: A gearbox arrangement comprising a main gearbox portion, a first gearbox section, and a second gearbox section. The first gearbox section comprises a differential assembly, wherein the differential assembly comprises a ring gear. The ring gear rotates about an axis. The second gearbox section comprises a power take-off assembly and a bearing plate defined by a plane. The axis and plane are parallel to one another. The gearbox arrangement further comprises a separator mounted to at least one of the first and second gearbox sections. Further, a guide is contained within at least one of the first and second gearbox sections.

Abstract: A bearing lubrication system includes a stationary output shaft carrier housed within a gear housing wherein the output shaft resides partially within the carrier and upper and lower bearings support the shaft. The carrier includes first and second arcuately extending troughs for catching lubricating fluid slung by an oil slinger. The first trough is in fluid communication with the shaft and with the upper bearing which pumps fluid through the bearing and into an upper passageway which terminates in an opening which supplies fluid to a second trough which, in turn, supplies fluid to the second bearing which, in turn, supplies fluid to the annular pool formed on the upper portion of the gear affixed to the output shaft. The annular pool is formed by a cylindrically shaped dike secured to the upper portion of the gear. Overflow from the pool lubricates the gear and returns oil to the reservoir.

Abstract: To achieve proper lubrication, a bearing housing or reservoir is filled with a predetermined amount of lubricant. When the machine, of which a bearing is a component, is operated, a flexible flinger disc provides proper lubrication by disturbance of the lubricant.

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 method for operating a drivetrain of a motor vehicle having in the force flow direction and in the following order an internal combustion engine, a clutch, an electric motor, a transmission and an axle gearset, or an internal combustion engine, a clutch, an electric motor, a transmission input shaft, a transmission and an axle gearset. The electric motor is used for pre-lubricating and warming the transmission such that, with the vehicle clutch disengaged, the lubricant pump of the transmission is driven by the electric motor so bearings are supplied with lubricant before the engine is started, and the heat, produced by splashing the lubricant, additionally warms the transmission.

Abstract: A lubricating device for gear trains (10), especially for wind power stations, includes at least two gear stages (16,18) that are disposed next to each other and are effectively interconnected, and a lubricant circuit (20) into which at least one filter unit (26) is mounted. To prevent stagnant resting zones for the lubricant from being created within the gear train housing including the gear stages, while ensuring that the entire lubricant that circulates in the gear stages is fed to the filter unit to be drawn off and filtered within predefined periods of time, the lubricant circulating inside the lubricant circuit (20) is discharged at one gear stage (18), is drawn off through the filter unit, and can then be fed to the other gear stage (16).

Abstract: A power divider for motor vehicles includes a housing, a primary shaft and a secondary shaft, wherein a friction clutch having an outer part that is rigidly connected to the primary shaft, and an inner part, derives torque from the primary shaft and delivers the torque to the secondary shaft by means of the inner part and a displacement drive. To ensure a sufficient supply of lubrication oil under all conditions, an oil reservoir, which at least partially surrounds the ramp ring, is fixed in the housing between the coupling and the displacement drive. The base of the oil reservoir comprises at least one opening, which is adjacent to the upper part of the periphery of the ramp ring, and the oil reservoir has at least one guiding device that extends into the centrifugal area of the displacement drive, through which the centrifuged lubrication oil is received in the reservoir.

Abstract: A transmission having a sealing baffle is disclosed. The transmission further includes a transmission case, a torque converter housing and a torque transfer member. The transmission case has a drive sprocket and a driven sprocket mounted for rotation therein. The torque converter housing has a fluid pump for pumping lubrication fluid. The torque converter housing is configured to mount to the transmission case. The torque transfer member is coupled to the drive sprocket and to the driven sprocket for transferring a driving torque from the drive sprocket to the driven sprocket. The first baffle is mounted to the torque converter housing. The first baffle has a base, a first flange extending from a first side of the base, a second flange extending from a second side of the base and a sealing lip formed in the second flange. The sealing lip contacts the transmission case to form a seal to prevent the fluid from flooding the torque transfer member.

Abstract: A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a power input shaft by intermeshing gears provided on the shafts. A portion of the transmission chamber defines a fluid reservoir in which lubrication fluid is held. The intermeshing gears, as well as the bearing assemblies supporting the shafts, are located outside the fluid reservoir portion of the transmission chamber. A rotatable fluid-propelling element partly submerged in the lubrication fluid contained within the reservoir portion ensures that sufficient but not excessive lubrication fluid is supplied to the intermeshing gears and the bearing assemblies. A dedicated lubricant reserve system ensures that the required operating level of fluid is provided to, and maintained in, the reservoir portion.

Abstract: A self-lubricating assembly for a linear driving device comprises an oil applying subassembly, an oil transmitting subassembly and an oil container. The oil transmitting subassembly transmits lubricating oil from the oil container to the oil applying subassembly, and the oil applying subassembly is driven by the linear driving device to perform lubricating action automatically. The oil container is provided for storing lubricating oil to prolong lubricating time of the linear driving device.

Abstract: A power transmission system and a method for enhancing the efficiency of such systems are provided. The system and method includes a lubricant having a viscosity from about 0.01 centistokes to about 400.00 centistokes, power transmission components with a contact surface finish of less than about 16 microinches, and coating the power transmission components with the lubricant during operation of the system.

Abstract: An output shaft air/oil separator system comprises an outer housing, an oil passage, a spline shaft having a cavity formed therein that communicates with the oil passage, an output shaft disposed at least partially within the spline shaft cavity that has a first section spaced apart from an inner surface of the spline shaft to form a gap therebetween in communication with the spline shaft cavity and a second section contacting at least a portion of the spline shaft inner surface, a housing cavity defined by at least a portion of an outer surface of the spline shaft and the outer housing, an annular groove formed in the spline shaft communicating with the spline shaft cavity, and at least one port extending between the spline shaft inner and outer surfaces in communication with the annular groove and the housing cavity.

Abstract: The invention provides a twin-shaft, dry-running rotary piston machine (1) comprising two rotary pistons (8) supported in a housing (2) via shafts (4) and roller bearings (6) with rolling elements, said rotary pistons are horizontally arranged and mesh with each other in opposite directions, so as to define a conveying chamber; two oil chambers (10) arranged in said housing (2) at opposite front sides of the conveying chamber in the area of the roller bearings (6) and provided to be at least in part filled with lubricating oil, two splash elements (12), with per oil chamber (10) one splash element (12) being arranged on the shafts (4) in such a manner that every shaft (4) carries a total of only one splash element (12); and at least two connection channels (14) connecting the two oil chambers (10) with each other.

Abstract: A fluid display arrangement is disclosed for a rolling-traction continuously-variable ratio transmission unit in which drive is transmitted from one race to another by at least one rotating roller whose outer circumference engages the races, the fluid supply arrangement comprising a shroud mounted in proximity to the roller and a fluid supply conduit, and being characterised in that the shroud has an inner surface providing a circumferential portion adjacent the roller's outer circumference and two radially extending portions adjacent respective flanks of the roller, a fluid receiving chamber being thereby defined between the roller and the shroud, and the fluid supply conduit being arranged to deliver fluid into the fluid receiving chamber.

Abstract: An oil leak prevention device of an automatic transmission can minimize oil leaks by reducing scatter of ATF in an upward direction during revolution of a differential gear. The device includes an oil plate installed on the scattering path of automatic transmission fluid inside an automatic transmission to prevent oil from reaching and leaking from an air breather by blocking the automatic transmission fluid scattered during differential gear revolution.

Abstract: A supercharger can have a lubrication system that includes a speed increasing mechanism, accommodated in a second housing, for increasing the rotation speed of a drive shaft and transmitting the increased rotation speed to a rotary shaft. An oil sump can be configured to for hold lubricant oil for lubricating the speed increasing mechanism. A pump mechanism can be driven by the rotation of the drive shaft to supply the lubricant oil held in the oil sump to the speed increasing mechanism, in which the pump mechanism is constituted with a screw pump made up of a screw provided on the drive shaft. A pump chamber can rotatably support the drive shaft and accommodate the screw. An oil introduction hole and an oil introduction tube can connect the oil sump and the interior of the pump chamber, and a gap can be formed between the screw and the pump chamber.

Abstract: A differential for a wheeled motor vehicle comprises a differential gear unit, and a differential case for housing therein the differential gear unit. The differential case is rotatable about its rotation axis in normal and reverse directions at a position above an oil level of a lubricating oil. The differential case includes a portion having an oil inlet opening formed therethrough, the oil inlet opening communicating the interior of the differential case with the outside of the same; and an oil dipping up structure that dips up the lubricating oil to force the same to enter the interior of the differential case through the oil inlet opening when the differential case rotates about the rotation axis.

Abstract: A bearing lubrication device in a right angle gear reducer includes a gear housing having an interior portion and a lubricating fluid reservoir therein. An oil slinger, rotating pinion shaft, pinion shaft housing, and bearings for supporting the pinion shaft within the pinion shaft housing work together to provide a continuous supply of oil to the bearings. The pinion shaft includes two radially and longitudinally extending passageways therethrough which supply oil from a recess in one end of the pinion shaft to the bearings. Oil is slung from the reservoir into the recess of the rotating pinion shaft where it is forced outwardly and through the passageways to a chamber formed by the rotating pinion shaft, shaft housing and bearings. The roller bearings pump the oil from the chamber back to the fluid reservoir. Oil passageways in the shaft housing enable the return of oil from one bearing set.

Abstract: A parallel axes type automatic transmission including a first input shaft having m or more (m is an integer not less than 2) wet multiplate clutches and drive gears rotatably mounted, a second input shaft having n or more (n is an integer greater than m and not less than 3) wet multiplate clutches and drive gears rotatably mounted, and a third input shaft having m or less wet multiplate clutches and drive gears rotatably mounted. The automatic transmission further includes an output shaft having a fixed final drive gear and a plurality of fixed driven gears. The first, second, and third input shafts are arranged at different levels so that the second input shaft is arranged at the highest level, the first input shaft is arranged at the middle level, and the third input shaft is arranged at the lowest level.

Abstract: An oil supply system for a transmission includes a transmission casing; a transmission shaft disposed in the transmission casing; a plurality of gears relatively rotatably fitted on the transmission shaft; an oil passage axially formed in the transmission shaft; a trough portion formed on an inside wall of the transmission casing so as to receive oil splashed from the gears; and a connection passage formed in a side wall of the transmission casing and extending downwardly from the trough portion to the oil passage. The oil passage is opened at outer peripheral portions of the transmission shaft adjacent to the gears, and opened at one axial end of the transmission shaft. The trough portion is disposed above the transmission shaft and is extended axially along the transmission shaft.

Abstract: An oil supplying device (34, 36, 38) for a vehicle transmission (2) having one transmission housing (4, 6) with gears (10, 12, 16, 18, 22) situated upon shafts (8, 14, 20) and having teeth, bearings in which gears (10, 12, 16, 18, 22) and shafts (8, 14, 20) are rotatably mounted and one switch gear (30, 32, 50) suited to connect the gears (10, 12, 16, 18, 22) and shafts (8, 14, 20) for a transmission of torque. The device has an oil collecting duct (34) arranged on movable elements (32, 50) of the switch gear (30, 32, 50) which moves with the elements (32, 50) of the switch gear (30, 32, 50) and which extends substantially through the part in the transmission housing (4, 6) having all the gears (10, 12, 16, 18, 22). The oil collecting duct (34) has at least one opening (36, 38) which during movements of the elements (32, 50) of the switch gear (30, 32, 50) coats areas within the transmission housing (4, 6) on which the bearings and teeth are situated.

Abstract: A bearing scavenge system comprises a scavenging passage extending axially through a rotating shaft supported by the bearing assembly. Oil and air are drawn from an oil cavity of the bearing assembly and evacuated through the rotating shaft as the shaft rotates.

Abstract: A CO2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO2 compressor, which is implemented as a sliding ring. The CO2 compressor features a lubrication device, in which the sealing device is supplied a lubricant flow effected by centrifugal forces.

Abstract: A drive axle assembly is provided which includes a gear housing and differential gear set. An insert is provided which is disposed in a lubricant reservoir of the gear housing. The insert directs lubricant away from the reservoir upon rotation of the differential gear housing.

Abstract: A circulating lubrication system for a centrifugal pump, or other rotating equipment utilizing an oil sump, is disclosed. The lubrication system includes an external reservoir located distant from the main lubrication chamber, so that lubricating fluid from the main misting chamber is forced out of the main chamber, cooled and cleaned (i.e. filtered) in the external reservoir, and thereafter fed back into the main lubricating chamber. In such a manner, the lubrication system maintains substantially clean, cool, and moisture free lubricating fluid in the main misting chamber and reduces the required downtime of the device. Thus, the life span of the device is lengthened while at the same time production is increased.

Abstract: An oil supplying apparatus for an opposed type reciprocating compressor comprises oil kickers which are mounted on spring supporting plates coupled to armatures of respective reciprocating motors, or oil valves which are mounted on oil paths formed on a cylinder and coonnecting with a suction path, and thereby, oil in a casing can be supplied to a slant portion between the cylinder and pistons regardless of the installation type of the compressor. In addition, lack of oil in the compressor and friction caused by the lack of oil can be prevented in advance, and a reliability of the compressor can be improved.

Abstract: An oil spatter prevention apparatus having a shaft for use with a device, such as a tape recorder, including a stationary portion fixed to a deck, a shaft body extended from the stationary portion on which a rotation body is rotatably supported on an outer circumference, and an oil spattering prevention means for preventing oil applied between the shaft body and the rotation body from being spattered when the shaft body rotates, the oil spatter prevention means being at least one of a circumferential recess on the shaft body, an annular recess on the shaft stationary portion, and a recess exterior and adjacent to the shaft.

Abstract: An output shaft bearing portion which is provided in an extension housing to be attached to an outside of an end wall portion of a casing main body of a transmission casing is lubricated by lubrication oil which is supplied to lubricating portions inside the casing main body. In the end wall portion there is formed an oil guide passage which guides the lubrication oil supplied to the lubricating portions inside the casing main body. Inside the extension housing, there is formed a rib which guides the lubrication oil flown from the oil guide passage, into a position in which the lubrication oil can be scraped by a gear wheel provided inside the extension housing. The lubrication oil scraped by the gear wheel is supplied to the output shaft bearing portion.

Abstract: A self-priming centrifugal pump including a supplementary vacuum pump and a float valve. The vacuum pump serves to draw liquid to the pump for priming and the float valve shut of flow to the vacuum pump when liquid reaches a predetermined level to prevent entry of liquid into the vacuum pump. In some embodiments the float valve includes an o-ring valve seal and the vacuum pump includes an oil delivery system to distribute oil from an oil reservoir to improve lubrication.

Abstract: A scraper is provided in a large end portion of a connecting rod in an inclined type of overhead camshaft engine to lubricate a timing system by dipping a lubricating oil stored in a lower portion of a crank case up. The scraper includes a bottom wall and a side wall set up on the bottom wall, and have a substantially L-shaped cross-section. An angle between the bottom wall and the side wall is set in a range of 60° to 90°. Thus, the droplets of the oil can be splashed to the side direction of scraper also in three-dimensional inclined direction, so that oil can be securely supplied to and lubricate the timing system which is offset from the scraper in a longitudinal direction of the crankshaft.

Abstract: A lubricant flinger, for providing lubricant fluid to bearings on a horizontal shaft within a wet-sump bearing housing, has a rotationally balanced body with portions extending radially sufficiently to reach below a lubricant level in the wet-sump. The body has provisions for fixing it on the horizontal shaft and is capable of insertion, while mounted on the horizontal shaft, into the housing through a bearing bore of radius smaller than that of the body. Outer portions of the body may have features which enhance lubricant pick-up.

Abstract: An oil lubricating system mounted on a vibrating plate compactor has a center chamber and outer chambers in the housing partitioned by a pair of bearings on the left and the right axially attached to the rotor shaft in the housing, and the oil in the housing is supplied not only to the center chamber but also to the outside chambers sufficiently by the rotation of the eccentric rotor to thereby impart uniform lubrication to the inner and the outer edges of the bearings for improving durability. As ameans to supply the oil from the center chamber to the outside chambers, hollow oil supply passages are provided on the left and the right rotor shafts axially mounted to the bearings to let the oil in the housing flow from the center chamber to the outer chambers.

Abstract: A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a power input shaft by intermeshing gears provided on the shafts. A portion of the transmission chamber defines a fluid reservoir in which lubrication fluid is held. The intermeshing gears, as well as the bearing assemblies supporting the shafts, are located outside the fluid reservoir portion of the transmission chamber. A rotatable fluid-propelling element partly submerged in the lubrication fluid contained within the reservoir portion ensures that sufficient but not excessive lubrication fluid is supplied to the intermeshing gears and the bearing assemblies.

Abstract: An improved splash-type lubrication system (100) for a change-gear transmission (102). A closely fitting gear shroud (104) is provided with upper openings (106, 108, 110) allowing the countershaft and main shaft gears to mesh and directs splashed lubricant (112) toward needle bearings (44) supporting main shaft gears (38, 40) on the main shaft (16).

Abstract: An device for controlling a level of lubricant in a gear housing of an automotive vehicle that has a sealed interior portion containing lubricant. A gear is rotatably mounted in the housing and rotates through the lubricant. The housing includes at least one wall secured to a bottom portion of the sealed interior portion. The wall defines a first and second space wherein the gear rotates in the first space and displaces the lubricant over the wall into the second space as the gear rotates at high speeds. The wall has an opening of a predetermined size that allows the lubricant to flow back into the first space at a rate greater than the displacement rate at low speeds and less than the displacement rate at high speeds. The gear and housing may be an axle housing, a transmission or other gears and housings.

Abstract: The invention is directed to a reciprocating internal combustion engine including a four-stroke engine. A longitudinally movable piston drives a crankshaft via a crank drive and a connecting rod. The crankshaft is journalled in a crankcase containing a lubricating oil for the crank drive. The chamber containing the lubricating oil is formed adjacent the cylinder by barrier walls within the crankcase as an oil receptacle to hold the lubricating oil in the overhead position of the cylinder. The crankcase is configured to have a trough-like shape and holds the lubricating oil and the cylinder projects axially into the crankcase and defines the barrier wall of the oil receptacle with its cylinder jacket. In this way, adequate lubrication is guaranteed in every operating position of the engine.

Abstract: An apparatus for lubricating a cooling rotary components in a vehicle drivetrain. The apparatus is defined by a single component bearing cap having integrally formed lubricant deflectors to direct lubricant flow to lubricant-starved side bearings in a drive axial differential carrier assembly. The lubricant deflectors extend angularly outward from the ends of the bearing cap. The bearing cap is secured to a housing portion of a drive axle differential carrier assembly of the vehicle drivetrain. A differential bearing assembly is pinched between the bearing cap and bearing mounting surfaces of the drive axle differential carrier assembly.