Abstract: A cooling structure of an oil cooling motor may include a housing, a front cover and a rear cover each mounted at both sides of a housing along a length direction of the housing, a rotor shaft extending through the housing and have both ends rotatably supported by bearings of the front cover and the rear cover, a rotor disposed in the housing and rotatably supported by the rotor shaft, a front oil supply groove and a rear oil supply groove formed on opposing inner sides of the front cover and the rear cover and configured to temporarily store oil stored in a bottom of the housing and scattered by churning of the rotor, and a front cover passage and a rear cover passage configured to communicate with the front oil supply groove and the rear oil supply groove, respectively.

Abstract: A system is disclosed for use in a rolling mill oil film bearing to remove a laminar flow of oil exiting tangentially from between a rotating sleeve and a fixed bushing surrounding the sleeve. The system comprises confinement surfaces cooperating with the sleeve and the bushing to define an annular chamber arranged to receive the exiting laminar flow of oil. Impellers project into the chamber and are rotatable with and at the velocity of the sleeve to thereby propel the oil around the annular chamber. An outlet communicates tangentially with the annular chamber for removing oil being propelled around the chamber by the rotation of the impellers. The size of the outlet in relation to the volume of oil received in the annular chamber is such that the chamber remains filled with oil during steady state operation of the bearing.

Abstract: A system is disclosed for use in a rolling mill oil film bearing to remove oil exiting from between a rotating sleeve and a fixed bushing surrounding the sleeve. The system comprises an annular chamber arranged to receive the exiting flow of oil. The chamber is isolated from a drainage sump by confinement surfaces including a seal interface defined by a flexible seal in contact with an adjacent rigid component of the bearing. Impellers project into the chamber and are rotable with and at the velocity of the sleeve to rotatively propel oil around the chamber. A discharge conduit communicates tangentially with the chamber and is arranged to receive a pressurized flow of the oil being rotatively propelled around the chamber. A venturi is located in the discharge conduit. A suction conduit connects the venturi to the drainage sump. Oil escaping from the annular chamber past the seal interface into the drainage sump is aspirated by the venturi for removal via the conduit.

Abstract: A lubrication system for an electrodynamic machine including therein an internal oil sump and at least one oil ring hydrodynamic bearing, wherein the oil ring is in fluid communication with oil, in the sump and replenishes oil in the bearing. The lubrication system includes an electrically powered oil sump pump that is oriented within the sump. An of intake is coupled to the pump and is in fluid communication with oil in the internal sump. An oil discharge line is coupled to the pump discharge. The distal end of the discharge line is oriented proximal the motor bearing, so that oil discharged therefrom replenishes oil in the bearing and shaft journal interface. The lubrication system oil discharge parameters are independent, of the motor speed, load or physical orientation, and may be varied by a controller coupled to the oil sump pump.

Abstract: A mounting piece (1) for receiving a roll neck of a roll used in steel and non-ferrous metal processing has at least one lubricant-receiving chamber (7) on a roll body side (3) and at least one lubricant-receiving chamber (8) on a discharge side (4) which are located beneath a lowest support point (9), connection bores (10) between the lubricant-receiving chambers (7, 8) on the roll body and discharge sides (3, 4), wherein the lubricant (2) is collected in additional lubricant-receiving chambers (15, 16) in the mounting piece (1).

Abstract: A multi-spindle automatic bar machine having a housing, a plurality of spindles, each with a collet at one end, and mounted with a rotating head which is carried by the housing, the rotating head being adapted to index the spindles through a plurality of tooling stations. An improved machine bearing carried by the rotating head comprising a cylinder having a circular inner bearing surface carrying a spindle having a spindle bearing surface. Each cylinder bearing surface is formed with a pair of opposed spiral grooves each separated by a spiral flat. A lubricant supply supplying a filter lubricant to each of the spiral grooves. Each spiral groove is adopted to provide a passageway for the filtered lubricant through and over the entire machine bearing lubricating the each flat and the entire spindle bearing surface.

Abstract: The invention relates to a method for disposing of a lubricant, preferably oil, of which a controlled supply is provided to a friction bearing, especially a roll neck bearing of a chock. Said lubricant flows into the bearing box and is disposed of below through a lubricant sump. According to said method, the lubricant which has collected in the sump is disposed of upwards with the aid of a vacuum. To this end, the bearing case (1) is configured with a discharge bore (10) which extends downwards into the lubricant sump (9), and is connected to the atmosphere via at least one ventilation bore (17) situated at the top end of the bearing, and an outlet line (15, 16). The discharge bore (10) has a pressure regulating valve (13) in a line (12) which is connected to a vacuum source (VQ). Said pressure regulating valve (13) has an interactive connection to a device for measuring the throughflow of air (14), said measuring device being located in the outlet line (15) of the ventilation bore (17).

Abstract: A veneer lathe comprising a knife (2) for peeling a log (1), which is secured rotatably to a knife stock, and a roller bar (3) disposed to press a circumferential surface of the log (1) at an upstream side, in relative to said knife (2), of a rotational direction of the log (1). The roller bar (3) has a diameter of not more than 30 mm, and is provided on the circumferential surface thereof with a large number of projections (5) whose height is not higher than the circumferential surface of the roller bar (3). The roller bar (3) is sustained in a sliding bearing (9) and adapted to receive a rotational force from a driving source. The roller bar (3) functions not only as a pressure bar but also as a power transmitting media to rotate the log (1), thereby preventing the generation of lathe check of veneer to be produced.

Abstract: The crankshaft bearing of a multicylinder internal combustion engine has an upper and a lower bearing part, as well as upper and lower bearing brackets with bearing bores connected therewith, in which brackets the main bearing pins of a crankshaft are mounted. The main bearing pins of the crankshaft are supplied with lubricant through oil grooves in the bearing bores. In order to guide the oil escaping from the bearing locations, which oil is flung-off by the rotating crankshaft cheeks, oil grooves are provided on the lateral surfaces of the bearing brackets. The groves are open on their radial interiors and drain downward in the installed position. This prevents severe foaming of the oil, since the oil flung-off the crankshaft can be captured directly and guided. The residence time of the oil in the crank chamber is reduced so that the oil flows more rapidly back into the oil pan and churning losses are reduced.

Abstract: A gasket and a method for filling a wheel hub of a floating axle assembly with a lubricant. The gasket includes a sheet of a material suitable for sealing the lubricant in a cavity of the wheel hub when the gasket is mounted between the axle and wheel hub. The sheet has an inner opening and a retaining portion below the inner opening. The retaining portion is of a sufficient predetermined size to at least partially block the inner cavity of the wheel hub when the gasket is mounted to the wheel hub. The method of the present invention includes attaching the gasket to the wheel hub, filling the lower portion of the cavity of the wheel hub with a lubricant, the lubricant being held in the cavity by the retaining portion of the gasket, and assembling the axle to the wheel hub.

Abstract: A rolling bearing to be used in molten metal provides inner and outer races, a plurality of rolling elements and a cage, in which a solid lubricant is exposed at least in contact surfaces between the cage and the plurality of rolling elements, and further in which the solid lubricant is exposed also in contact surfaces between the cage and the inner and outer races. The cage is formed of a material having specific gravity of 0.8 to 1.2 with respect to the molten metal. In the rolling bearing, the wear resistance of the inner and outer races, the rolling elements and the cage can be improved.

Abstract: A bearing assembly includes a shaft rotating about an axis and a bearing being acted upon by a liquid lubricant and supporting the shaft. A device for removing the lubricant from the bearing assembly includes at least one sealing assembly adjacent the bearing. The sealing assembly has a seal surrounding the shaft and a collector chamber disposed between the seal and the bearing. The collector chamber surrounds the shaft and receives the lubricant from the bearing along the shaft. The lubricant is removed from the collector chamber through a drain conduit. According to one embodiment, a funnel protrudes into the collector chamber for collecting the lubricant and removing the lubricant to the drain conduit.

Abstract: A bearing lubrication device for use in ring-oiled journal bearings and the like in which a generally circular ring member is eccentrically disposed around the rotatable shaft in the bearing assembly. The ring has an outer surface, right and left sides extending downwardly from the outer surface at a predetermined angle, most preferably about 30 degrees, for a predetermined distance and then radially inwardly, generally perpendicular to the outer surface for a predetermined distance, and an inner surface, said inner surface having at least one, but preferably a plurality of grooves therein. As rotation occurs at high forward speeds, improved lubricant delivery, stability of operation and bearing performance capability are realized.