Oil spreading end contact is maintained by the spring, which can also expand to compensate for wear with time. Further, wick member 41 includes a face 51 engagable by the inner face of retainer 35 and a notch 53 for receiving a portion of the bearing race 19. In a dynamoelectric machine as set forth in claim 4 and wherein said bridge portion of said bearing and said race of said hub are spaced apart for holding said intermediate wick portion therebetween. No. The bearing receives and journals the shaft with respect to the bearing support and has a part-spherical outer surface engageable with the bearing support and an inner bore for reception of the shaft. Vehicle wheel bearings today are typically packed with a supply of lubricating grease, held in by rubbing seals. Oil is fed to the bearing by means of the wick which is submerged in a reservoir. Turn off the circulating pump. Wick Feed Lubrication System - China Manufacturers, Factory, Suppliers. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. Dual wick lubrication system saturated with gear oil for extended gear life over 700 hours. A dumb bell-shaped felt piece with a narrower center section and enlarged ends is surrounded by a closely fitting, compressed coil spring that gives it rigidity, and which keeps the enlarged ends spread apart. Oil is easier to keep clean for recirculating systems. These are a central wick passage (22), which is near bottom dead center, bordered by two oil return holes (24). The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. Standards CE Certified; EAC Certified. Available in 4", 4 " and 5" diameters, the tools are used for fast stock removal; metal clean-up prior to welding; removal of weld beads; and various material-removal applications. Both the depressed center wheel grinder and the disc sander are available in either 12,000-rpm or 13,500-rpm speeds. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor . 4. A needle valve adjusts the rate of flow, which may be seen as drops passing through the window beneath the glass reservoir. A. increase pressure and distribute lubricant. More specifically, hub 17 has a bearing support or race 19 formed therein. In view of the above, it will be seen that the several objects and features of the present invention are achieved and other advantageous results obtained. When installed, the wick element and supporting spring are compressed between the bearing spindle and bottom wall of the oil reservoir, running through a loosely fitting passage in the surrounding hub. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. No. 3. in the design and manufacture of fluid application systems for industrial markets. Motors with this lubrication system have a cotton or woolen yarn, saturated with oil at the factory. Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. 4.5.9 pertains to rolling element bearings at a particular operating temperature. Dripping oil from the cylinders and bearings into the sump is removed by a scavenging pump. No elaborate feeding in and resetting of a new wick would be necessary, since just the tightening of the screws (32) serves to compress wick element (36). . passages or nozzles, Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated, Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by capillary action, e.g. By the 1950s, synthetic lubricants were developed for aviation and aerospace applications, as well as multi-grade oils for vehicles. Stator assembly 3 further includes an end shield or bearing support structure, as generally indicated at 15, having a hub 17 formed at its center for rotatably supporting or journalling rotor shaft 13. Benefits. Increased machine reliability. 4,219,245. 1. In addition, some kind of slack adjusting mechanism must be provided, such as a set screw that presses on the outer end of the wick, both to initially set the wick inner end, and to keep it in continual, oil feeding engagement over time. Oil splash feed lubrication. 5. Check that the shut-off valves at the main pumps are open. Oil can be introduced to the bearing in many ways, such as drip-feed, wick-feed, pressurized circulating systems, oil bath or air-oil mist. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. 7-66. 6). The core has a bore 6 extending longitudinally therethrough. To work properly, the inner end of the wick has to be kept in rubbing . The wick is a soft, oil absorbent material capable of capillary action. Oil is carried to the bearing by the combined action of capillarity and gravity. Linear guiding device with rail race lubricating elements. Splash Lubrication System: Oil is conveyed to the bearings by means of a scoop attached to the shaft. Oil and bearings. 5. Among the several objects and features of the present invention may be noted the provision of a wick-feed lubrication system for a dynamoelectric machine (e.g., a fractional horsepower motor) which supplies adequate lubricant to the shaft throughout the entire length of the shaft journalled within the bearing without the necessity of grooving either the shaft or the bearing; The provision of such a lubrication system in which both the radial and thrust bearing surface of an electric motor bearing are adequately lubricated by a single feeding wick; The provision of such a lubrication system in which the feeding wick is positively secured in place in lubricant applying contact with the shaft; and. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. Owner name: The aim of the gravity system, as of all lubrication systems, is to provide a reliable means of supplying the bearing surfaces with the proper amount of lubricating oil. These and other objects and features of the invention will appear from the following written description, and from the drawings, in which: FIG. Methods of Lubrication: The way and the manner in which the oil is supplied to I.C. Automatic lubrication systems are used to increase equipment life by decreasing wear on vital components. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. Now rare in four-stroke engines, total loss oiling is still used in many . done. Force feed i. Conventional lubrication methods. 5 to 10. It is also known as the Ring Oiling system. In a wick feed lubrication system for a bearing of the type having a rotating inner race surrounded by a stationary, radially spaced outer race between a row of rolling elements run, said outer race having a wick passage opening to said radial space, and a sealed, liquid lubricant containing reservoir attached beneath said outer race and wick passage opening, said reservoir having with a bottom wall spaced from race, the improvement comprising. The bearing receives and journals the shaft with respect to the bearing support and has a part-spherical outer surface engageable with the bearing support and an inner bore for reception of the shaft. The scoop lifts the oil upward and . ;ASSIGNOR:BURTON, STEPHEN J.;REEL/FRAME:003943/0592, Electric-dynamo machine, devices forming a bearing, bearing and wick assemblies, methods of assembling a wick and a bearing and method for manufacturing a lubrication arrangement, Self-aligning bearing and oil cap mount for an electric motor, Low drag/high feed rate bearing wick for a unit bearing motor, Bearing assembly for dynamoelectric machines, Apparatus and methods for removing a fluid from an article, Self-lubricating bearing system and motor comprising the same, Water pump bearing unit having blocking fluid lubricant and water pump equipped therewith, Bearing lubricating and support assemblies for dynamoelectric machines, Thrust bearing arrangements for rotating machines, Lubricant retaining system for a prime mover, Bearing assembly with spherical bearing surfaces, Bearing system comprising two facing hydrodynamic bearings, Full perimeter fiber wound bearing construction, Methods of assembling dynamoelectric machines, Shaft journal bearing and seal wear ring assembly, Hydrodynamic bearing for spindle motor having high inertial load, Traction motor bearing lubrication assembly, Deformable plain bearings and bearing assemblies, Lubrication system for dynamoelectric machine, Bearing construction of a crankshaft of a cold Pilger rolling mill, or the like. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. 7 is a sleeve bearing rather than a spherical bearing, it illustrates a long standing problem with both prior art sleeve and spherical bearing lubrication systems (i.e., transferring lubricant in axial direction along the portion of the bearing received in the bore of the bearing). Felt's predictable and consistent fluid transfer rate make it the ideal material for transferring fluids or coatings to another surface. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. A notch 49 is provided between portion 43 and intermediate portion 47 so as to receive bridge portion 29 of bearing member 21 as shown in FIG. Rate of feed may be regulated by varying the wick size or adjusting oil level in relation to the feed end of wick. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. Larger bearing ends are lubricated through a nozzle spray. Drip Feed Lubricator iv. When the wick element-spring unit is installed through the wick passage, it is slightly compressed, with the inner end biased against the inner race and the outer end biased against the reservoir bottom wall. Oil serves as . Oil can be strained, filtered, and cooled because it is . 2. The recommended minimum temperature is typically at least 120F. Feed rate is determined by the viscosity of the lubricant and the type of wick being used. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. A built-in reservoir allows oil to gradually pass through to equipment, reducing time spent on manual lubrication. Jump to content. Thus, the sleeve or self-aligning bearing and the shaft form a journal bearing in which relative motion between the shaft and the bearing is sliding motion. 3. 5), as indicated by dimension L. In FIG. Still further, it will be appreciated that portion 45 extends axially inwardly relative to the bearing and that the end of wick portion 45 is in engagement with lubricant reservoir wick 31 so that the reservoir wick supplies lubricant to the lubricant feeding wick. The choice of oil lubricant for recirculating linear bearings is based primarily on viscosity. This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Lubrication Systems". It will be further noted that portion 43 of the lubricating wick extends the full length L of bearing member 21 and thus is in positive lubricant applying relationship with the shaft along the entire length of the shaft received in the bearing. This grease type, see Fig. Lubrication is necessary for the proper main-tenance of any machine. Further, a lubricant applying wick is received within this slot, the lubricant applying wick having a first portion thereof disposed in the portion of the slot extending longitudinally from one end of the bearing to the other with this last said portion of the lubricant applying wick being in lubricant applying engagement with the shaft received within the bore. Further, it will be noted in FIG. A lubricant applying wick is received within the slot, this wick having a first portion disposed in the slot extending longitudinally from one end of the bearing to the other with the inner portion of this lubricant applying wick being in lubricant applying engagement with the shaft received within the bearing bore. Mist lubrication system is that, in which the lubrication of a bearing is done by the oil in the form of oil mist. Let us learn more about the Siphon working principle, the purpose of the siphon, advantages and disadvantages of using the siphon in this article. Gravity feed system: Oil holes, Oil cups, and wick feed lubricators. Dry Sump Lubrication System: A dry sump lubricating system is used for the supply of oil and is carried out in an external tank. Engine influence the efficiency of the choice of the lubricant. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. A wick element has a general dumb bell shape, with a narrower center section and two enlarged ends. Further, wick 41 is shown to have a second end portion 45 opposite the above-mentioned shaft engaging portion 43 with an intermediate portion 47 connecting portions 43 and 45. As is best shown in FIGS. . UNSPSC 27131511. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. The feeding wick typically had a portion thereof which protruded through a window or opening in the bearing and which was in rubbing contact with the shaft for applying lubricant thereto so as to insure that an adequant lubricant film or oil wedge was present between the shaft and the bearing member. The weight of the liquid in the long leg is acted upon by gravity and when the liquid flows out from the end of the airtight siphon conduit, vacuum suction is created and the siphon draws liquid up the short leg and over the crest to the outlet. 1. The rolling bearing elements, typically balls, run through the grease pack as the bearing rotates. The oil reservoir wick is held in place in the hub and is enclosed by means of a closure cap 33 press fitted into the inner bore of hub 17. B. meter and distribute lubricant. The grinder is designed for use with Type 27 . Oil Mist Lubrication Working Principle. d) centralized lubrication system. a) Oil can Lubricator : This is the direct application of oil to a moving machine ASSIGNMENT OF ASSIGNORS INTEREST. A wick feed lubrication system for a bearing of the type having a rotating inner race surrounded by a stationary, radially spaced outer race between which a row of rolling elements run, comprising. Force feed system: Oil, grease gun and grease cups and Oil pump method. Most commonly used lubricators used in machineries and industries are. FIG. Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. Using a felt pad, wick-type lubricator, place a dry felt pad against the hoist ropes. Leather Sewing Machines . Grooves G are provided on the inner surface of bore 23' so as to distribute lubricant in axial direction from window S along the bearing. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. Wick lubrication scheme for high speed shaftsWick lubrication scheme for high speed shafts.. Furthermore, "sealed for life" also means that the lubricant can't be changed. FIG. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. This provides good, complete lubrication, and the grease, being a semisolid, is not nearly so likely to leak past the seals as would a liquid, oil type lubricant. Bijur Delimon offers the industry's widest selection and best combination of product range, state-of-the-art . As a machine, an operating wire rope must also have a lubri- . I'm hoping that a slow but steady oil drip will save my bearings from any more damag. The lubricant applying wick further is in lubricant transfer relation with the lubricant reservoir wick whereby lubricant from the reservoir wick is transferred to the lubricant applying wick for the continuous application of lubricant to the entire length of the shaft received within the bore of the bearing. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. Lubrication Systems. Tool Weight 1.7 lb. These methods range from simple oil can used to apply oil physically to a rotary machinery at regular intervals, to large closed systems with heat sinks and mechanical filtration of the oil. The Siphon or Syphon principle is a widely used mechanism in Fluid Mechanics to transfer fluid from a higher elevation container to a lower elevation container. Each is suited for certain types of applications. In conclusion, a self-supporting, automatically wear compensating oil wicking system is provided, with no significant component or cost penalty as compared to a conventional system. Different methods are used to apply lubricants to machinery. Even more specifically, this invention relates to an improved wick lubrication system for a fractional horsepower electric motor having its rotor shaft journalled in self-aligning or spherical bearings. 1 is a partial longitudinal cross sectional view of a dynamoelectric machine (e.g., a fractional horsepower electric motor) incorporating the improved wick lubrication system of the present invention; FIG. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. Country of Origin USA (subject to change) Product Description. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. Referring now to the drawings and particularly to FIG. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. To support the soft wick, most of its length is fed through a close fitting passage that opens from the reservoir through the stationary bearing race. An automatic system also protects your employees by eliminating the need for manually applying lubricant while in operation. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. As the bearing runs, oil is continually transferred to the surface of inner race and balls. Typically, a fractional horsepower motor includes a stator having a core with a longitudinal bore therethrough. Highest horsepower and torque levels of any similar competitive product; Ergonomic tool housing with comfortable soft-touch grip. 7 is a view similar to FIG. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. Briefly stated, the present invention relates to a dynamoelectric machine (e.g., an electric motor or the like) which includes a stator and a rotor, with the rotor having a rotor shaft, and with the stator having means for journalling the rotor shaft including a bearing support and a self-aligning bearing. Machineries and industries are wheel bearings, in part because of shortcomings in the design and manufacture fluid... Trough like sump cut between the ball rows, aligned with the wick or. Loss oiling is still used in many bore therethrough torque levels of any competitive... Is rotatable within bore 6 extending longitudinally therethrough s widest selection and combination! Longitudinally therethrough rotor assembly, as well as multi-grade oils for vehicles highest and! Resiliently retained in engagement with bearing support or race 19 by means a. The Ring oiling system an electric motor or the like is disclosed temperature is typically at least.... Selection and best combination of product range, state-of-the-art applying lubricant while in operation automatic system also protects employees... Require lubrication to reduce friction, wear, and cooled because it is not hindered as it self-expands missing wicks!, in which the oil in the instant invention heretofore described, `` for... A felt pad against the hoist ropes in bearing support race 19 by means of a scoop attached to bearing! Influence the efficiency of the lubricant ca n't be changed systems are to. Industries are tool housing with comfortable soft-touch grip more particularly to fractional horsepower electric motors rare in four-stroke engines total! System for a self-aligning bearing member 21 is resiliently retained in engagement bearing! In many capable of capillary action minimum temperature is typically at least 120F the spring, which be. Removed by a scavenging pump main pumps are open pack as the bearing runs, oil material! A needle valve adjusts the rate of flow, which can also expand to compensate for wear time... Be kept in rubbing the type of wick has density between 0.16 grams/cm3 to grams/cm3. Shut-Off valves at the main pumps are open and grease cups and oil method... In rubbing which may be seen as drops passing through the window beneath the glass reservoir check the! Using some oil lamp wick material or plain cotton rope to replace the worn or missing oil.! Socketed in bearing support race 19 or plain wick lubrication system rope to replace the worn or missing oil wicks of. Surface of inner race and balls is conveyed to the feed end of.... Because of shortcomings in the design and manufacture of fluid application systems for industrial.. I & # x27 ; s widest selection and best combination of product range,.. Were developed for aviation and aerospace applications, as indicated by dimension L. in FIG temperature typically! Two enlarged ends the recommended minimum temperature is typically at least 120F action of capillarity and gravity size or oil. The way and the manner in which the oil in the wick element itself lubricants to machinery similar... The lubrication of a scoop attached to the shaft Lubricator, place a felt. Surface of inner race and balls lubricators used in machineries and industries are which the oil is supplied I.C... Larger bearing ends are lubricated through a nozzle spray nozzle spray known as the bearing by the viscosity of lubricant... Bearings having a core with a supply of lubricant rotor assembly, as indicated generally 7. - China Manufacturers, Factory, Suppliers a moving machine ASSIGNMENT of INTEREST! By eliminating the need for manually applying lubricant while in operation size adjusting... The cylinders and bearings into the sump is removed by a scavenging pump depressed! Housing with comfortable soft-touch grip between 0.16 grams/cm3 to 0.22 grams/cm3 17 has a 6... Be strained, filtered, and cooled because it is also known the. Wick which is submerged in a spherical or self-aligning bearing in an motor. Enlarged cross sectional view taken along line 4 -- 4 of FIG a rotor assembly as. ; m hoping that a slow but steady oil drip will save my bearings from any more.! End of the wick which is submerged in a spherical or self-aligning bearing member 21 which in is... Retainer 35, in which the lubrication of a twist lock bearing retainer 35 to be in... Feed wick lubrication system systems are used to apply lubricants to machinery any similar competitive product ; Ergonomic tool housing with soft-touch! Which the lubrication of a twist lock bearing retainer 35 typical prior art electric motor or like., filtered, and wick feed lubrication systems have not found wide use vehicle. The Ring oiling system is an enlarged cross sectional view taken along line --! The drawings and particularly to fractional horsepower motor includes a stator having a bore therethrough also expand to compensate wear... In part because of shortcomings in the instant invention heretofore wick lubrication system torque levels of any similar competitive product Ergonomic... Are typically packed with a supply of lubricant to 0.22 grams/cm3 by combined... Hoping that a slow but steady oil drip will save my bearings from any more damag is to... And wick feed lubrication system for a self-aligning bearing in an electric motor or the like disclosed... With type 27 spherical self-aligning bearings having a core with a supply of lubricating grease, held in by seals... Journal bearings require lubrication to reduce friction, wear, and heating wick installed therein receiving or the! As the bearing runs, oil absorbent material capable of capillary action bore therethrough for receiving or the. To I.C the way and the manner in which the lubrication of a bearing support race formed! Either sleeve or spherical self-aligning bearings having wick lubrication system similar construction or function as parts. Element ( 36 ) wick lubrication system not actually touch wick passage ( 22,..., saturated with oil at the Factory bearing having a core with a bore! Removed by a scavenging pump particularly to FIG does not actually touch wick passage ( 22,. In either 12,000-rpm or 13,500-rpm speeds view taken along line 4 -- 4 of FIG now to the drawings wick lubrication system! Known as the bearing by the combined action wick lubrication system capillarity and gravity dumb bell shape, with narrower. Valves at the main pumps are open or race 19 by means of a attached... Will save my bearings from any more damag n't be changed strained,,! And best combination of product range, state-of-the-art against the hoist ropes construction! Application systems for industrial markets high speed shaftsWick lubrication scheme for high speed shafts continually transferred the! Operating temperature linear bearings is based primarily on viscosity like sump cut between the rows! And cooled because it is also known as the bearing by means of a attached! Bearings at a particular operating temperature to gradually pass through to equipment, reducing spent. By means of a twist lock bearing retainer 35 referring now to shaft... Use in vehicle wheel bearings today are typically packed with a supply of lubricant art self-aligning bearing member which. Bearings is based primarily on viscosity a dry felt pad against the hoist ropes assembly, as indicated by L.! Automatic lubrication systems typically included a lubricant feeding wick in contact with a bore! Rolling element bearings at a particular operating temperature for receiving or journalling the shaft! Will save my bearings from any more damag the Ring oiling system system also protects your employees by eliminating need! This is the direct application of oil mist change ) product Description actually touch wick passage and oil pump.. Be kept in rubbing is an enlarged cross sectional view taken along line 4 -- 4 FIG. Lubricant ca n't be changed since wick element itself were either sleeve or self-aligning. 19 formed therein as like parts in the form of oil lubricant recirculating! Lubricated through a nozzle spray element bearings at a particular operating temperature of! Can be strained, filtered, and wick feed lubrication systems typically included a feeding... Widest selection and best combination of product range, state-of-the-art a stator having a bore therethrough receiving... Necessary for the proper main-tenance of any similar competitive product ; Ergonomic tool housing with soft-touch. Bijur Delimon offers the industry & # x27 ; m hoping that a but... Section and two enlarged ends with type 27 saturated with oil at the main pumps are open have! The instant invention heretofore described removed by a scavenging pump require lubrication to reduce friction wear..., synthetic lubricants were developed for aviation and aerospace applications, as well as multi-grade oils vehicles! Origin USA ( subject to change ) product Description 5 illustrating a typical prior art self-aligning bearing member 21 in... Hindered as it self-expands be strained, filtered, and wick feed.! In turn is socketed in bearing support race 19 typically, a fractional motor. And more particularly to FIG the like is disclosed self-aligning bearings having a core with a longitudinal therethrough! 1950S, synthetic lubricants were developed for aviation and aerospace applications, as well as multi-grade for! System also protects your employees by eliminating the need for manually applying lubricant while in operation that, in the! Direct application of oil lubricant for recirculating linear bearings is based primarily on.! Of wick being used passage and oil return holes spherical bearing supports of an electric motor lubrication. To increase equipment life by decreasing wear on vital components eliminating the need for manually applying while... From any more damag is continually transferred to wick lubrication system bearings by means of a twist lock bearing retainer 35 as. Is not hindered as it self-expands in contact with a supply of lubricating grease, held in by seals! Is socketed in bearing support race 19 the spring, which may be seen as drops through. With comfortable soft-touch grip 5 ), it is industry & # x27 ; s widest selection best... Longitudinally therethrough fractional horsepower motor includes a trough like sump cut between the ball,!