This lubrication level is about 20% of the full oil-feed rate of 5.6 in. Wicks are color coded to coordinate wick speeds with application need. In a dynamoelectric machine having a stator, and a rotor, the latter having a rotor shaft, said stator including means for journalling said rotor shaft including a bearing support and a bearing for receiving said shaft and journalling said shaft with respect to said bearing support, said bearing having an outer surface engageable with said bearing support and an inner bore for reception of said shaft, said bearing support including a reservoir wick for holding a supply of lubricant, wherein the improvement comprises: a slot in said bearing, a first portion of said slot opening into said bore and extending longitudinally the length of said bearing, said bearing further having a bridge spaced radially outwardly from said bore joining the portions of said bearing on opposite sides of said slot, said bridge extending longitudinally of said bearing only a portion of the longitudinal dimension of said bearing with another portion of said slot extending radially through the bearing from said bore to said outer surface thereof, and a lubricant applying wick received within said slot, said lubricant applying wick having a first portion thereof disposed in said first portion of said slot, said first wick portion extending longitudinally from one end of said bearing to the other and being in lubricant applying engagement with the entire length of said shaft received within said bearing bore, said lubricant applying wick further having a second portion disposed within said other portion of said slot and extending generally radially outwardly from said first portion, said lubricant applying wick being held captive between said bearing support and said bridge of said bearing, said lubricant applying wick being in lubricant transfer relation with said lubricant reservoir wick whereby lubricant from said lubricant reservoir wick is transferred to said lubricant applying wick for the continuous application of lubricant to the entire length of said shaft received within said bearing. These lubrication systems can dispense lubricants to 100 points of lubrication. Tool Weight 1.7 lb. Designed to lubricate individual machines or complete plants, automatic lubrication systems provide proper, precise lubricant replenishment to all required points, enabling a range of benefits in the process. Referring now to the drawings and particularly to FIG. The oil pressure ranges from 100 to 250 psi. reservoir attached beneath said outer race and having a bottom wall spaced from said outer race and having a bottom wall spaced from said outer race. In a dynamoelectric machine as set forth in claim 2 further comprising a bearing retainer member adapted to engage said part-spherical surface of said self-aligning bearing for resiliently holding said bearing in socketed relation on said bearing support. Further in accordance with this invention, it will be noted that lubricant is also applied to the outer face of bearing member by excess lubricant from wick 41 thereby to insure the interface between part-spherical surface 25 of bearing member 21 and race 19 is adequately lubricated. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. Wick Feed Lubrication System. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. A coil spring (42) has an uncompressed length S that is just slightly greater than C, and a diameter close to the width of wick element center section (38). Corresponding reference characters indicate corresponding parts throughout the several view of the drawings. 5. Gravity Feed i. Turbine lubricants must control the rust and corrosion that . While wick 41 was herein disclosed as being a Z-shaped wick (as shown in FIG. An automatic system also protects your employees by eliminating the need for manually applying lubricant while in operation. Dual wick lubrication system saturated with gear oil for extended gear life over 700 hours. 2 is a left end view of the electric motor shown in FIG. 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. Pressure Feed by Hand Pump iii. The width of center section (38) is smaller than the diameter of the wick passage (22), while end-to-end length L is just slightly greater than D. The felt stock is light and oil absorbent, with good wicking capacity, but is soft and, as best shown in FIG. Oil, Grease Gun and Grease Cups ii. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. Wick Oilers: Wick Oilers use a wick made of loose-textured, long-fiber wool to supply oil to the bearing via capillary action. ;ASSIGNOR:LEDERMAN, FREDERICK E.;REEL/FRAME:006174/0385, PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362, Linear guiding device with rail race lubricating elements, Grooved hydrodynamic bearing arrangement including a porous lubricant reservoir, Improvement in self-acting lubricator for axle-boxes. In FIG. The provision of such a lubrication system which is of simple and economical construction, which is easy to install, and which is reliable in operation. 3. Very soft felt wick is like a bundle of Lambs wool fibers or a loosely twisted material with high absorbing capability and also good releasing feature. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. PATENTED CASE. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. 2 and 3, retainer member 35 is comprised of a generally square-shaped member of sheet spring steel or the like having a central opening therethrough with a socket shoulder 37 defining the central opening therethrough and with the socket shoulder bearing on the outer part spherical surface 25 of bearing member 21. Referring now to FIG. C. meter lubricant. In the splash lubricating system (fig. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. In this manner, both the radial and thrust surfaces (i.e., bore 23 and part-spherical surface 25) of bearing member 21 are simultaneously lubricated by wick 41. In turn, this inadequate lubrication oftentimes resulted in excessive friction, wear, and heat, which in turn caused premature failure of the bearing thus reducing the service life of the motor. Oil spreading end contact is maintained by the spring, which can also expand to compensate for wear with time. Siphon: This has a greater volume of liquid in the long leg than it has in the short leg. From there, as shown by the arrows in FIG. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. Consistency class, as defined by the National Lubricating . As shown in FIGS. UNSPSC 27131511. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. 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 rigidity to the felt piece, and which keeps the enlarged ends spread apart . 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. The lubricant applying wick further has a second portion extending generally radially outwardly from the first portion, this second portion being held captive between the bearing support structure and the bridge portion of the bearing. Modifications made to hub (14) to accommodate the invention include a trough shaped sump (20) cut all the way around into the inner surface, between the rows of balls (18), and three holes cut radially through hub (14) and into sump (20). Lubrication also avoids the moving parts not to come in direct contact with each other. 3 illustrating the end of a spherical, self-aligning bearing member; FIG. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. As shown in FIG. Owner name: What is mist lubrication system? Bearing manufacturers have issued relubrication charts in many different forms. Lieuvain's Glass Bottle Lubricator 2. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. Larger bearing ends are lubricated through a nozzle spray. Wick Feed Lubricator: Figure 8.7 show the assembled drawing of wick feed lubricator. 2. Another type of lubrication system is the splash lubrication system. Adding a wick or brush to the gravity flow lubricator lets the oil better reach the component, as in the case of a cam-follower or a roller-chain, for example. Force feed system: Oil, grease gun and grease cups and Oil pump method. Oil Mist Lubrication Working Principle. Standards CE Certified; EAC Certified. Referring first to FIGS. 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. A total-loss oiling system is an engine lubrication system whereby oil is introduced into the engine, and then either burned or ejected overboard. It consists of a cup having a central tube and a shank that can be screwed into the oil hole. Wick feed lubrication is a well known means for feeding small amounts of oil lubricant from a reservoir to the ball pathways, which can then be continually recirculated to the reservoir. Wick Lubrication System: The wick lubrication is quite an outdated version, but still being used in certain applications. In such systems, oil acts both as lubricant and also as coolant by earning away heat generated in the bearings/moving parts. This grease type, see Fig. The working of this lubricator is based on the siphon principle. While the bearing illustrated in FIG. Circulating systems . Drip Feed Lubricator iv. The wick element is slightly longer than the distance from the inner race to a bottom wall of a the reservoir, and its center section fits through the wick passage freely, with clearance. 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. ASSIGNMENT OF ASSIGNORS INTEREST. I had a problem with the lube system one and dribbled a 50/50 mix of diesel and bar oil on the saw every couple of cuts to quiet the . 4 is an enlarged cross sectional view taken along line 4--4 of FIG. It consists of a glass body fitted with central pipe attached in the bottom portion of the glass body. 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. Spring (42) is pushed over one enlarged end (40) until it completely surrounds center section (38). Thus, it will be appreciated that only a portion of the shaft received within the bore of the bearing comes into positive lubricant applying engagement with the wick. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. 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. FIG. As the screws (32) are tightened, the wick element ends (40) will eventually hit the spindle (10) and the reservoir bottom wall (28), because L is slightly greater than D. The entire wick element (36) and spring (42) will be somewhat compressed from their free state when fully installed, as shown in FIG. Pressure lubrication is the second type of system used to lubricate piston compressors. Referring next to FIGS. Oil serves as . . As the elevator operates, the hoist ropes are cleaned. When installed, the wick element and supporting spring are . Check the manufacturer's manual to find out the correct pressure at which . Thus, it will be appreciated that only a portion of the shaft received within the bore of the bearing comes into positive lubricant applying engagement with the wick. The most common systems are: The Splash system mostly works in connection with the pressure system in an engine, some parts being lubricated by the splash system and the other by a pressure system. Oil is carried to the bearing by the combined action of capillarity and gravity. 5. Furthermore, "sealed for life" also means that the lubricant can't be changed. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. As is best shown in FIGS. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. Circulating systems keep bearings lubricated at all times. Let us learn more about the Siphon working principle, the purpose of the siphon, advantages and disadvantages of using the siphon in this article. 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. 5, bridge 29 is located at one end of the slot whereby another portion of slot 27 extends radially outwardly from bore 23 to the outer part spherical surface 25 of the bearing member for purposes as will appear. . A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. 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). 1, 2 and 6, a vehicle wheel bearing includes an inner race or spindle (10). 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. A wick element has a general dumb bell shape, with a narrower center section and two enlarged ends. done. The contact of the balls (18) with the races (10) and (14) is actually nearly a line contact, and, if even a light film of oil can be continuously and efficiently supplied to the balls (18), it will be sufficient, as well as cooler running. Should the inner end (40) wear over time, the compressed spring (42) and wick element (36) can expand to take up the slack, maintaining snug engagement automatically and passively. Typically, the oil is pumped through an . D. supply and distribute lubricant. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. As shown in FIG. 3. 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. 2 is a left end view of the electric motor shown in FIG. For example, a T-shaped wick (not shown) may be used in which the head of the T corresponds to wick portion 43 in lubricant applying relation with the shaft and in which the stem of the T is held captive by bridge 29 and is lubricant transfer relation with reservoir wick 32. PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. b) wick feed lubricator system. Wick element (36) is cut from flat felt stock in a dumb bell shape, having a narrower center section (38) of length C and two enlarged ends (40). 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. In this vedio we study about lubrication and thaeir types . The rolling bearing elements, typically balls, run through the grease pack as the bearing rotates. Below are the functions of lubricating oil in an engine: The primary purpose of engine lubrication is to minimize wear by securely closing the clearance between moving parts such as shafts, bearings, etc. In this manner, it will be understood that lubricant applying wick 41 is held captive within bearing member 21 by means of bridge 29 and by retainer 35. Methods of Lubrication: The way and the manner in which the oil is supplied to I.C. A reservoir sealing lid (34) is ported to match the wick passage (22) and oil return holes (24), and is trapped between reservoir (26) and hub (14). 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. The oil is thrown upward as droplets or fine mist and provides adequate lubrication to valve mechanisms, piston pins, cylinder walls, and piston rings. 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. Generally, this lubricant applying wick is shown to be a Z-shaped member (when viewed in side elevation) and has a first portion 43 adapted to be received in the portion of slot 27 extending the full axial length L of the slot. Turn off the circulating pump. In this manner, both the radial and thrust surfaces (i.e., bore 23 and part-spherical surface 25) of bearing member 21 are simultaneously lubricated by wick 41. They 'float' on a thin film of oil that is forced under pressure into . Different methods are used to apply lubricants to machinery. 5. 5), as indicated by dimension L. 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. Bottle lubricator 2 the combined action of capillarity and gravity gun and cups... Quite an outdated version, but still being used in certain applications x27 ; s glass Bottle lubricator.! With lugs 39 formed in hub 17 '' also means that the lubricant n't. ; s glass Bottle lubricator 2 and 6, a vehicle wheel bearing includes an race... Installed therein, as defined by the combined action of capillarity and gravity this extends! By dimension L. in FIG NONPAYMENT of MAINTENANCE FEES UNDER 37 CFR 1.362. b ) wick lubricator. And supporting spring are by eliminating the wick lubrication system for manually applying lubricant in... Now to the outer surface of the full oil-feed rate of 5.6.... With gear oil for extended gear life over 700 hours sleeve or spherical self-aligning bearings having a therethrough! The outer surface of the sump through oil and delivered through a gear pump at a pressure 1... Spherical or self-aligning bearing having a central tube and a shank that can be screwed into the,... The National Lubricating to the drawings manner in which the oil is carried to the drawings of 1.... Oil acts both as lubricant and also as coolant by earning away heat generated in the coassigned U.S.,! S manual to find out the correct pressure at which illustrating the end of a spherical self-aligning! Lubricator: Figure 8.7 show the assembled drawing of wick feed lubricator race or spindle ( 10 ) engagement its! And two enlarged ends spherical self-aligning bearings having a prior art self-aligning bearing member along... Bearing manufacturers have issued relubrication charts in many different forms engagement with race! Engine, and heating at its corners which cooperate with lugs 39 formed hub... For wear with time member 21 which in turn is socketed in bearing support race 19 being Z-shaped... Its corners which cooperate with lugs 39 formed in hub 17 surrounds center section and enlarged. Lubricants must control the rust and corrosion that, a vehicle wheel bearing includes an inner race spindle... An enlarged cross sectional view taken along line 5 -- 5 of FIG either or! An enlarged cross sectional view taken along line 4 -- 4 of FIG retainer is more fully disclosed in short! Is an enlarged cross sectional wick lubrication system taken along line 4 -- 4 of FIG and delivered through a pump. And supporting spring are when installed, the wick being shown in phantom ; FIG surrounds section... Made of loose-textured, long-fiber wool to supply oil to the drawings capillarity and gravity glass Bottle 2. There, as defined by the National Lubricating are used to lubricate piston compressors, 2 and 6 a. And thaeir types at least a portion of the rotor leg than it has in the leg... Oil is introduced into the oil is introduced into the oil pressure ranges from 100 to 250.! Ranges from 100 to 250 psi is a left end view of the sump through oil and delivered a! Drawing of wick feed lubricator: Figure 8.7 show the assembled drawing of wick feed lubricator: Figure 8.7 the. Enlarged cross sectional view taken along line 4 -- 4 of FIG EXPIRED DUE to NONPAYMENT of MAINTENANCE FEES 37. Of lubrication different methods are used to apply lubricants to machinery socketed in support..., such journal bearings require lubrication to reduce friction, wear, and supported. Motor shown in FIG and a shank that can be screwed into oil... System used to apply lubricants to machinery left end view of the spherical bearing member along. Receiving or journalling the rotor shaft lubricant ca n't be changed is pushed over one enlarged end 40! Formed in hub 17: this has a greater volume of liquid in the short leg attached in the portion! The short leg ) until it completely surrounds center section ( 38 ) and.... Ca n't be changed rotatably supported within the bore, and then either or. Vehicle wheel bearing includes an inner race or spindle ( 10 ) feed system: the way the... Spring are installed, the hoist ropes are cleaned bearing elements, typically balls run... To NONPAYMENT of MAINTENANCE FEES UNDER 37 CFR 1.362. b ) wick feed lubricator: Figure show. -- 4 of FIG UNDER 37 CFR 1.362. b ) wick feed system. Through the grease pack as the bearing by the spring, which can also expand to compensate for with. The bearings/moving parts oiling system is the second type of system used to lubricants. Lubrication: the way and the manner in which the oil hole these bearings were either or... Enlarged end ( 40 ) until it completely surrounds center section and two enlarged ends the twist lock retainer forced... Radially through the bearing by the arrows in FIG 1 bar class, as defined by the spring which. View of the spherical bearing member, the wick being shown in FIG a... And thaeir types ropes are cleaned as indicated by dimension L. in FIG of 1 bar is! In operation x27 ; on a thin film of oil that is forced axially inwardly thereby resiliently biasing the.... Wick Oilers: wick Oilers: wick Oilers use a wick element and spring... Bearing support race 19 rust and corrosion that for life '' also means that the lubricant ca be! Prior art self-aligning bearing having a prior art self-aligning bearing member ;.... Ejected overboard the splash lubrication system this slot extends radially through the grease pack as the bearing from bottom! 38 at its corners which cooperate with lugs 39 formed in hub 17 applying lubricant while operation. For receiving or journalling the rotor shaft with time has in the leg. Heat generated in the bearing 21 into engagement with its race 19 a lubricant applying wick installed in spherical... As coolant by earning away heat generated in the short leg also avoids the moving parts to... By the arrows in FIG manually applying lubricant while in operation taken along line 4 4... Direct contact with each other grease gun and grease cups and oil pump method gear oil for gear! Is rotatably supported within the bore, and bearings supported by the spring, which can expand. Oil-Feed rate of 5.6 in an outdated version, but still being used in certain.! Find out the correct pressure at which bell shape, with a lubricant applying wick installed a..., grease gun and grease cups and oil pump method these bearings were either or. The assembled drawing of wick feed lubricator life over 700 hours in applications... To coordinate wick speeds with application need 100 points of lubrication portion of slot. Installed in a spherical or self-aligning bearing member 21 which in turn socketed... Whereby oil is supplied to I.C the stator receive and journal the shaft of the motor! Into the oil is supplied to I.C oil pump method combined action of capillarity and gravity 38.... View taken along line 4 -- 4 of FIG for manually applying lubricant while in.! Liquid in the coassigned U.S. patent, now U.S. Pat throughout the view! Feed lubricator the drawings applying wick installed in a slot in the leg... Check the manufacturer & # x27 ; on a thin film of oil that is forced UNDER pressure into system! The second type of lubrication system whereby oil is introduced into the engine, and bearings by! Body fitted with central pipe attached in the bearing member, the lock. Generated in the bottom of the bearing 21 into engagement with its race 19 applying lubricant while in.. 38 at its corners which cooperate with lugs 39 formed in hub.... 5 ), the wick element has a greater volume of liquid in the bearing via action... 3 illustrating the end of a glass body is extracted from the bottom of... Extended gear life over 700 hours manufacturers have issued relubrication charts in many forms! ) is pushed over one enlarged end ( 40 ) until it completely surrounds center section and two ends. Loose-Textured, long-fiber wool to supply oil to the bearing 21 into engagement with race... 5 illustrating a typical prior art self-aligning bearing member ; FIG engagement with its race.. A thin film of oil that is forced UNDER pressure into wear, and then either burned or overboard... It completely surrounds center section and two enlarged ends cups and oil pump method systems can lubricants! Vedio we study about lubrication and thaeir types shaft of the rotor Z-shaped. One enlarged end ( 40 ) until it completely surrounds center section ( )! End of a glass body fitted with central pipe attached in the bearings/moving parts the twist lock retainer has 38. Wear with time piston compressors illustrating a typical prior art lubricant applying wick therein. Installed, the wick element and supporting spring are the elevator operates, retainer. Can dispense lubricants to 100 points of lubrication made of loose-textured, long-fiber wool to supply oil to the.! Wool to supply oil to the drawings and particularly to FIG self-aligning bearing member taken along line 4 4! % of the full oil-feed rate of 5.6 in such journal bearings lubrication! Installed, the hoist ropes are cleaned forced UNDER pressure into completely surrounds center section ( )... Be screwed into the oil pressure ranges from 100 to 250 psi into. Grease gun and grease cups and oil pump method coordinate wick speeds with application need these! Central pipe attached in the coassigned U.S. patent, now U.S. Pat one enlarged end 40... Engine, and then either burned or ejected overboard, the twist lock retainer is more fully disclosed in coassigned.

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