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 transmission apparatus includes a casing provided with shafts therein, a rotational member positioned in the casing at an end portion in an axial direction of the shafts, the rotational member being configured to lift up a lubricating oil so as to supply the lubricating oil to a part that is different from the end portion inside the casing, and an oil passage provided along the axis line direction of the shafts, the oil passage configured to receive the lubricating oil lifted up by the rotational member at a first end portion in a longitudinal direction of the oil passage and to supply the lubricating oil through a second end portion in the longitudinal direction of the oil passage to a part inside the casing placed far away from the rotational member, the oil passage being integrally formed with the casing.

Abstract: There is described a transmission for a helicopter, the transmission having a movable transmission member; a casing housing the movable member; lubricated supporting means for supporting the movable member inside the casing and for rotation about an axis; and feed means for feeding a lubricating fluid to the supporting means; the transmission also has storage means permitting gradual release of the lubricating fluid, and which are connected fluidically to the feed means and to the supporting means to permit lubrication of the supporting means in the event of breakdown of the feed means; and the storage means are angularly integral with the movable member and located radially inwards of the supporting means to feed the lubricating fluid centrifugally to the supporting means.

Abstract: A gearbox for a motor vehicle is provided that includes, but is not limited to an input shaft, an output shaft and a plurality of wheel sets for coupling input and output shaft with different transmission ratios and a gear pump, which is arranged to for delivering from a reservoir of the gearbox. The gear pump is an outer gear pump and one of two gears of the gear pump meshing with one another belongs to one of the wheel sets.

Abstract: An industrial robot including a plurality of power transmission units. At least one of the power transmission units is a compact transmission unit including a rotary vector gear reducer arranged to be lubricated with a polyglycol-based lubricant.

Abstract: A wave gear device, wherein, when a wave generator is in a low speed rotating state, a rolling bearing state is formed by a wave bearing and the wave generator and a flexible external gear are held in a relatively rotatable state and when the wave generator is in a high speed rotating state, partition pieces and split side plate pieces forming the retainer of the web bearing are displaced to the outside to stop the rotation of balls in their axes and the revolution thereof. Accordingly, a sliding bearing state is formed by lubricating oil film formed between the wave generator and the flexible external gear and the wave generator and the flexible external gear are held in a relatively rotatable state.

Abstract: A lubricating structure for a hydrostatic continuously variable transmission. The structure includes an oil path arranged at an outer circumferential side of a clutch valve, and a lubricant oil ejection hole communicating with the outer circumferential side oil path of the clutch valve and formed in the transmission shaft toward the outer circumference of the transmission shaft. In addition, the structure includes a communicating oil path that is also formed in the transmission shaft for communicating between an oil feeding passage communicating with an lubricant oil feeding source and the outer circumferential oil path of the clutch valve. A single orifice is arranged in the communicating oil path, rather than in the lubricant oil ejection hole. This configuration provides for efficient manufacturing and a high degree of freedom in setting of the lubricant oil ejection hole.

Abstract: A lubrication arrangement for interlocking gears 2, 3 is configured by a housing 1 which incorporates sections 1a, 1b of a snail cross-section. Thus, rotating gears 2, 3 are positioned to generate a centrifugal pumping effect between those gears 2, 3 and the housing sections 1a, 1b which drives scavenged oil flow into a volute 11 formed by the opposing surface of the housing 1a, 1b. The scavenged oil is driven in the direction 13 towards an off-take 12 configured such that there is a minimum available cross-sectional area 14 between the housing at the intermeshing of the gears 2, 3 at an interlocking location 4. In such circumstances the scavenged oil is driven at relatively high speed through the off-take 12. Such relatively high speed scavenged oil 15 can be used for displacement scavenging in other parts of an engine or machine where problems exist with oil residence.

Abstract: A method for lubricating an axle assembly can include: coupling a pair of bearing to opposite ends of a differential housing; placing the differential housing into a carrier housing assembly such that the bearings support the differential housing on the carrier housing assembly for rotation about a first axis; collecting a lubricant proximate a side of one of the bearings opposite the differential housing; and rotating the differential housing about the first axis to cause the one of the bearings to move a portion of the collected lubricant through the differential housing. A related axle assembly is also provided.

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: 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: The invention relates to a construction machine comprising a transmission, at least one hydraulic drive and a hydraulic circuit for supplying the hydraulic drive with hydraulic fluid, wherein at least one lubrication line is branched off from the hydraulic circuit, by means of which the transmission can be supplied with hydraulic fluid as a lubricant. The invention is characterized in that a dosing device is provided on the lubrication line, with which the supply of lubricant can be changed depending on an operating condition of the transmission.

Abstract: Embodiments are directed to lubricant delivery systems and methods. In one embodiment, the system comprises a lubricant feeder; a pipe comprising at least one nozzle; and at least one lubricant flow outlet extending upwardly from the nozzle. The nozzle comprises at least one flow area reducing portion along the length of the pipe near the lubricant feeder and the at least one lubricant flow outlet is configured to provide lubricant to at least one portion of a machine. In one embodiment, a method for controlling flow is provided comprising; delivering lubricant to an initial section of a lubricant delivery system; increasing the speed of the lubricant as it approaches a first outlet; allowing a portion of the lubricant to exit through the outlet; decreasing the speed of the lubricant after it passes the outlet; and allowing at least a portion of the lubricant to exit through a second outlet.

Abstract: An axle assembly including a differential gear set having a ring gear. The axle assembly includes a carrier assembly housing that contains the differential gear set and an arcuate fence disposed adjacent to the ring gear that connects to the carrier assembly housing. A moveable plate slidingly connects to the arcuate fence. The moveable plate has an open position, a closed position and a plurality of positions therebetween. The closed position is closer to the ring gear than the open position. The arcuate fence and/or the moveable plate may reduce churning of the lubrication to increase the cooling efficacy of the lubrication.

Abstract: A lubricating structure for a transmission includes an axial hole formed penetrating through a gear shaft in an axial direction thereof and having a first opening at one axial end of the gear shaft for supplying therein a lubricant and a second opening at the other axial end thereof, a first oil hole provided on the gear shaft in a radial direction thereof to establish communication between the axial hole and an outside of the gear shaft, and a tapered groove provided on an inner wall of the axial hole in the axial direction thereof, wherein the lubricant is supplied to a portion needing lubrication via the axial hole or via the axial hole and the first oil hole, and the tapered groove is deeper at the second opening side than the first opening side.

Abstract: A lubricant flow suppressor positioned proximate a rotating component for receiving ejected lubricant therefrom and reducing the kinetic energy of the ejected lubricant. The suppressor includes at least two perforated walls with a lubricant flow path formed therebetween.

Abstract: An oil scavenge system of a gas turbine engine in accordance with one embodiment of the present invention, comprises a housing defined about an axis of rotation, the housing confining an air/oil mixture in motion within the housing and defining an oil scavenge area below the axis of rotation. The housing further includes an outlet at a low location of the housing. A churning damper is supported within the housing and is located in the oil scavenge area. The churning damper includes at least one plate, allowing the air/oil mixture in motion to pass over or through the plate only in a peripheral area of the at least one plate to cause flow energy dissipation.

Abstract: The invention describes an arrangement of lubricating grease inside the housing of a gear unit with rotatable components, particularly the gear unit of a jack. It also describes a grease pouch for receiving lubricating grease and a method for lubricating the gear unit with lubricating grease. Since the gear units are often not transported in their installed position, oil that has separated from the lubricating grease may leak from any gearbox openings. Thus, one of the objects of the invention was to provide an arrangement of lubricating grease in the housing of a gear unit, which on the one hand provides lubrication of the gear unit so that it is ready for operation in its delivery condition and on the other hand effectively prevents the oil separated from the lubricating grease from leaking prior to initial startup. This object is attained by enclosing the lubricating grease within at least one grease pouch prior to initial startup of the gear unit.

Abstract: An engine (internal combustion engine), in accordance with an embodiment, includes: a crankcase having an oil pan; a crankshaft disposed inside the crankcase; a second crank gear disposed inside the crankcase to rotate about the crankshaft; a driven gear meshed with the second crank gear to be rotated as the second crank gear rotates; an oil pump drive gear meshed with the driven gear to rotate together with the driven gear; and an oil pump gear to be rotated as the oil pump drive gear rotates. The oil pump gear is disposed to overlap the driven gear as viewed from an axial end of the crankshaft.

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: A transmission includes first and second transmission shafts arranged parallel to each other and rotatably supported in a casing, plural gear trains arranged between the first and second transmission shafts, each gear train including a drive gear and a driven gear engaging with each other, the first and second transmission shafts transmitting power therebetween by means of one of the gear trains, a magnetic sensor device including a magnetic portion generating a magnetic field and a detection portion detecting a change of the magnetic field generated by the magnetic portion, a lubricant supply pump for suctioning a lubricant stored at a bottom portion in the casing and for sending the lubricant suctioned, and a lubricant supply pipe for ejecting the lubricant sent from the lubricant supply pump to the magnetic portion exposed within the casing.

Abstract: In an off-highway vehicle having an electric propulsion system which includes a motorized wheel, a traction motor and a transmission for transmitting power from the traction motor to the motorized wheel, wherein the transmission comprises a reduction stage, a low speed sun pinion defining a sun pinion cavity and a thrust washer, wherein the thrust washer includes a first surface portion movably associated with the low speed sun pinion via a thrust washer retainer and wherein the thrust washer is movably associated with the reduction stage via a lubrication plug is provided, wherein the lubrication plug includes a first plug portion having a radially extending portion movably associated with a second surface portion of the thrust washer and a second plug portion having a second plug portion structure which defines a plug cavity having a plug cavity inlet and at least one plug cavity outlet disposed adjacent at least a portion of the thrust washer, wherein the plug cavity inlet is disposed to communicate the su

Abstract: An embodiment of a differential device of the present invention comprises a pair of side gears and a pair of pinion gears housed inside a differential case, with the pinion gears supported by a pinion shaft fixed to the differential case at axial end sections thereof so as to be capable of sliding freely thereabout. Lubricating oil channels are provided that pass through each of the end sections of the pinion shaft in the axial direction thereof. One end of each lubricating oil channel opens to the exterior of the differential case at a shaft-end corner section of the pinion shaft corresponding to an upstream side thereof in a direction of rotation of the differential case, and another end opens to a sliding surface of the pinion shaft with respect to one of the pinion gears. The differential device also comprises a mechanism for providing lubricating oil to the lubricating oil channels upon rotation of the differential case.

Abstract: A gear unit is basically provided with a gear and a unit case. The gear is arranged and configured to transfer rotation inputted from an external source to at least one driven member. The unit case defines an interior space for enclosing the gear and containing a lubricant to lubricate the gear. The unit case includes an output shaft opening and a lubricant passage. The output shaft opening is configured for connecting the driven member to the gear. The lubricant passage has an inlet provided adjacent the output shaft opening and a lubricant discharge outlet provided in a bottom portion of the unit case to convey lubricant between the output shaft opening and the lubricant discharge outlet.

Abstract: A washer and a planetary gear set having the same, wherein the washer includes a first washer member and a second washer member. The first washer member is formed at a surface thereof with a plurality of first stepped portions each having a radially extending concave structure. The second washer member has a plurality of second stepped portions each having a radially extending convex structure facing the first washer member. As the second stepped portions are inserted into the first stepped portions, respectively, a plurality of oil flow holes are defined between the first stepped portions and the second stepped portions, thereby allowing lubricating oil to pass through the washer in a radial direction. With this configuration, the washer ensures the smooth supply of lubricating oil regardless of the rotating direction of a pinion gear.

Abstract: The present invention details a sleeve and bushing of an electromechanical automatic planetary transmission. The sleeve and bushing operate to confine the desired flow of transmission lubricant through the components of the planetary gear arrangement. Additionally, the sleeve and bushing assist in maintaining a sufficient pressure level in the cavity of the planetary carrier to enable the lubricant to reach the bearings of the pinion gear. Moreover, the radius or size of the bushing/sleeve arrangement can be adjusted to occupy the radial clearance or cavity between the sun gear and main shaft for an automatic transmission with axially separable splined sun gear and sun gear shaft.

Abstract: A lubrication structure of a transmission includes an input shaft an output shaft including one end coaxially inserted with the input shaft and another end formed with an engagement portion, a first bearing member fitted between the input shaft and the output shaft, a second bearing member fitted between the output shaft and the housing, a shaft member including an end portion inserted into and engaged with the engagement portion of the output shaft, a lubricant passage including a first passage portion formed between the output shaft and the housing, a second passage portion formed between the output shaft and the shaft member, and an inner passage axially formed at an inner portion of the output shaft and reaching the first bearing member for guiding lubricant to the first bearing member, and a branched passage formed at the housing and branched from a vertically intermediate portion of the lubricant passage.

Abstract: In a power unit for a vehicle, which is a unit composed of an internal combustion engine with a crankshaft and of a power transmission system equipped with a continuously variable transmission and configured to transmit the torque from the crankshaft to the drive-wheel side while reducing the speed of the torque, to provide a power unit for a vehicle, equipped with two oil pumps and formed, with fewer component parts, into a compact structure. A first oil pump for ejecting lubricant oil and a second oil pump for ejecting for ejecting oil for at least one of the controlling of the speed change in, and the lubricating of, the continuously variable transmission share a common pump shaft, and are arranged adjacent to each other in the axial direction.

Abstract: A lubrication system includes an auxiliary lubricant tank 48, a supply conduit 58 extending from a source of lubricant 26 to the auxiliary lubricant tank. A reduced-G bypass line 108 branches from the conduit and enters the auxiliary tank at a first elevation E1. The system also includes an auxiliary tank discharge conduit 116, a portion of which resides within the tank. The resident portion has an opening 122 at least partially at a second elevation E2 higher than the first elevation.

Abstract: A lubrication system, includes an auxiliary lubricant tank 48 and a supply conduit 58 extending from a source of lubricant 26 and through the auxiliary lubricant tank. A portion of the conduit resides within the tank and has an opening 136 for allowing lubricant transfer between the tank and the conduit.

Abstract: A differential assembly includes a housing defining a space containing a volume of hydraulic fluid, the housing including interior surfaces. A gear that rotates in the housing includes surfaces that pass through the fluid as the gear rotates and on which the fluid is carried to the interior surfaces of the housing. A bearing located in the housing is supplied with fluid from a fluid path that hydraulically connects the interior surfaces and the bearing.

Abstract: A transmission apparatus for an automobile or the like includes: a transmission gear mechanism including, therein, a speed-reducing small gear at an axial one side of an intermediate shaft; a final driving mechanism including, therein, a speed-reducing large gear at an axial one side of an axle; a casing including: a first chamber; a second chamber; a first inner surface; a second inner surface; and a case rib; and a wall which is positioned between the first inner surface and the end surface of the speed-reducing large gear that faces the first inner surface; the wall including: a lower portion; and an edge portion, and the wall covering, at a short distance away, the end surface of the speed-reducing large gear that faces the first inner surface.

Abstract: An oil shield for an upper tower shaft gear. The shield provides a plurality of shield members for encapsulating the upper tower shaft gear to reduce the amount of displaced oil from contacting surrounding engine components. The shield includes a first shield member adjacent a top surface of the upper tower shaft gear and a second shield member adjacent an under surface of the upper tower shaft gear which is engaged with the first shield member to enclose the upper tower shaft gear. A third shield member is positioned adjacent the second shield member. The shield members permit oil drainage in a predetermined pattern without undesirable dispersion within the engine compartments.

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 feeding device which has an oil reserving portion 50 and first oil requiring portions 8, 62, 63, 67, 68, 72 and 76 provided in a moving object, and a first oil discharging portion 58 for feeding an oil reserved in the oil reserving portion 50 to the first oil requiring portions comprises: a regulating member 64 for regulating a relative movement of the oil discharged from the first oil discharging portion 58 and the first oil requiring portions in a moving direction of the moving object; a second oil discharging portion 57 for feeding the oil reserved in the oil reserving portion 50 to the first oil requiring portions. A discharging pressures of the oil at the first oil discharging portion 57 and the second oil discharging portion 58 are changed in accordance with the amount of the oil in the oil reserving portion 50. Therefore, the reduction of the amount of oil to be fed to the first oil requiring portions can be suppressed even when the speed of the moving object changes.

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: The invention provides a transmission case that includes a rear housing that partially encloses transmission components about a center axis. The rear housing sealingly connects to a main housing at one end and to a drive unit extension at another end. The rear housing has an axial passage generally parallel to the center axis and a cross passage that is substantially perpendicular to the axial passage. The cross passage is in fluid communication with the axial passage to allow draining of fluid within the drive unit extension to the main housing. A method of returning fluid to a transmission oil sump is also provided.

Abstract: A right angle gear box includes a plurality of channels for carrying lubricating fluids to one or more upper bearing. Fluids in the gear box are naturally pumped through the channels by the rotation of gears in the gear box. The area between the shaft and the external housing is minimized to minimize fluid flow along the shaft encouraging flow through the channels instead. Lubrication of an upper bearing is therefore provided without the need for additional pumps, seals, or lubricants.

Abstract: A hydraulic passage structure of an automatic transmission having at least one friction element for gearshift, the friction element being comprised of a drum. The hydraulic passage structure includes a housing formed integrally with a midway wall protruding inwardly from the housing, a sleeve, a center member joined integrally with the drum of the friction element, a radial passage in the midway wall, a sleeve passage in the sleeve, and a center member passage in the center member. The sleeve is fitted into an inner circumference of the housing, and the center member is inserted in an inner circumference of the sleeve. The sleeve passage connects with the radial passage of the housing, and the center member connects the sleeve passage and the friction element. Line pressure is supplied to the friction element via and in order of the radial passage, the sleeve passage, and the center member passage.

Abstract: A lubricating distribution apparatus for a rotating shaft assembly has a shaft member rotatably supported in a pair of spaced housings. Each housing has formed therein a pocket in which a dam member is secured. A tube member has ends thereof secured to each dam member and extends axially through a passage formed in the rotating shaft. Lubrication fluid is introduced into the system between at least one of the housings and one of the dam members for lubrication fluid flow through said tube member to the other dam member. Lubrication flow between the dam members and the housings is distributed to other portions of the mechanism as well as through restricted passages toward the rotating shaft member.

Abstract: A lubrication apparatus that lubricates mechanism of a molding machine. The lubrication apparatus includes a tank for collecting lubrication oil therein, and a lubrication oil supply route for supplying lubrication oil from the tank.

Abstract: A structure is provided for receiving and delivering oil from a first oil path in a wall of a casing to a second oil path within a rotating shaft supported by the casing on an inner side surface of the casing. A recess is formed in which the first oil path is opened. A collar is positioned on an inner peripheral surface of the recess. The collar is fitted in a floating state through an O-ring. On the inner peripheral surface of the collar an end portion of the rotating shaft is pivotally fitted to open the second oil path within the recess.

Abstract: A hydraulic fluid storage apparatus for a transmission has a main sump and a secondary sump. The secondary sump is connected with the main sump through a restricted flow passage. The fluid within the main sump is subjected to centrifugal forces by rotating components within the transmission, such that at high speeds and high levels in the main sump, the restricted passage is closed by a centrifugal dam thereby resulting in fluid storage within the secondary sump. The fluid storage in the secondary sump returning to the main sump when the speed of the rotating components is reduced.

Abstract: A gear unit includes a planet gear rotatable about a sun gear and supported by a planet carrier, the planet carrier including an annular formation for flow of lubricant and which is substantially concentric with the major axis about which the planet carrier is rotatable, and the gear unit including a housing having at least one lubricant supply position provided at a position radially aligned with the annular formation of the planet carrier as considered relative to the major axis about which the planet carrier rotates, and the planet carrier including flow paths for flow of lubricant from the annular formation to a planet gear bearing. The invention also discloses a method of lubricating a gear unit.

Abstract: The invention constitutes an arrangement for cooling a vehicle component, for example a transmission, disposed adjacent to an engine, which arrangement includes a cooling circuit designed to feed a coolant through the transmission and including a line for coolant to the transmission and a line for coolant to the transmission. According to the invention, the cooling circuit is also designed to cool the engine and includes a further line for feeding the coolant to the engine, and the cooling circuit includes a flow control valve for controlling the coolant in the cooling circuit such that the flow of coolant to the vehicle component is lower than the flow to the engine. As a result of the invention, an improved arrangement is obtained for cooling, for example, a transmission, for example in heavy goods vehicles.

Abstract: An axle assembly including a differential gear set having a ring gear. The axle assembly includes a carrier assembly housing that contains the differential gear set and an arcuate fence disposed adjacent to the ring gear that connects to the carrier assembly housing. A moveable plate slidingly connects to the arcuate fence. The moveable plate has an open position, a closed position and a plurality of positions therebetween. The closed position is closer to the ring gear than the open position. The arcuate fence and/or the moveable plate may reduce churning of the lubrication to increase the cooling efficacy of the lubrication.

Abstract: Supplying fluids different in pressure from one end of a revolving shaft without providing a diagonal hole in the revolving shaft for supply holes for feeding hydraulic fluid and lubricating oil. The time for manufacturing and the cost of providing a hydraulic fluid feeder to the revolving shaft is reduced. A hydraulic fluid feeder includes a central hole provided on the centerline of the revolving shaft. Hollow tubes having a smaller outside diameter than the inside diameter of the central hole are concentrically inserted into the central hole and the central hole is partitioned. Either of the passages formed by partitioning functions as a hydraulic fluid supply passage for the hydraulic equipment and the other functions as a hydraulic fluid supply passage for another piece of hydraulic equipment or a lubricating oil supply passage for a bearing provided on the revolving shaft.

Abstract: A device for lubricating and cooling gear mechanisms has a supply line for supplying lubricating and coolant oil from an oil sump into a first channel in a spray pipe. The first spray channel connects to at least one first nozzle for the targeted spraying of the lubricating and coolant oil into areas of the gear that require extensive lubrication and that are allocated to the first channel. The supply line is connected to a second channel and one or more second nozzles connected to the latter for spraying the oil in areas that require extensive lubrication and are allocated to the second channel. The channels are prioritized with regard to more or less critical regions of the gear mechanism. A control valve that is responsive to a back-pressure in the spray pipe actuates the channels to supply the gear mechanism in accordance with the prioritization of the regions.

Abstract: A lubricating structure of an engine for vehicle comprising a main pump for pressure-feeding a lubricating oil, and a scavenging pump for pumping the lubricating oil out of a crank room to transfer the oil, can reduce an applied load of a main pump and reduce a power loss of the pump while reducing the size of the main pump and the scavenging pump, and thus reducing the size of the entire engine. In the lubricating structure, the crank room and a transmission room are divided by a partition, an oil storage room communicating with a discharging portion of the scavenging pump is formed, and an oil passage for lubricating a transmission is formed in the transmission shaft along the shaft center and is opened to the oil storage room. The lubricating oil in the oil storage room is supplied to lubrication points on the transmission shaft through the oil passage of the transmission shaft.