A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. 7 is a view similar to FIG. 3 is a vertical cross sectional view taken along line 3--3 of FIG. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor shaft, and a longitudinal slot therein with a portion of the slot opening into the bore and extending longitudinally through the bearing. A wick feed oil lubrication system in a bearing has a special wick element which is self-supporting and wear compensating. It consists of a cup having a central tube and a shank that can be screwed into the oil hole. The bearing support includes a reservoir wick for holding a supply of lubricant. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. Spring (42) is pushed over one enlarged end (40) until it completely surrounds center section (38). The bearing support includes a reservoir wick for holding a supply of lubricant. 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. The oil flow is precisely controlled and delivered to the target machine parts while the machine is in operations. Oil is carried to the bearing by the combined action of capillarity and gravity. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. 2. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. Now rare in four-stroke engines, total loss oiling is still used in many . 2 is a left end view of the electric motor shown in FIG. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. c) ladder lubricator system. The core has a bore 6 extending longitudinally therethrough. Oil-mist lubricating systems should operate at pressures of ___ psi. . Typically, the oil is pumped through an . 1. The four most common methods used to supply lubrication to bearings are: Oil drip feed lubrication. 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). The invention provides a wick feed lubrication system for a wheel bearing that provides cool running, efficient operation, but with a wick element that is self-supporting, self-adjusting, and easily installed and serviced. PATENTED CASE. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings, Means for supporting bearings, e.g. 7-66. It is also known as the Ring Oiling system. Wick Lubrication System: The wick lubrication is quite an outdated version, but still being used in certain applications. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 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. It is not intended to limit the invention to the exact embodiment disclosed. As shown in FIG. 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. 4. Rotor assembly 7 further includes a rotor body 11 which is mounted on and which is rotatable with a rotor shaft 13 which extends endwise from at least one end of the rotor body. Check that the shut-off valves at the main pumps are open. Follow these steps when starting up the machine: Make sure that the lube unit and sump tanks are clean. Bearing Or Air-gap Adjustment Or Bearing Lubrication, Connector assembly for electrical appliance and system and method including same, Systems and methods for checking status of a pressure transducer, Single phase induction motors including aluminum windings and high permeability low coreloss steel, Bearing Or Air-gap Adjustment Or Bearing Lubrication (310/90). 5, wick portion 43 also extends the length of bearing member 21. 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. 5 that the inner edge of upper portion 43 of lubricating wick 41 extends radially inwardly from slot 27 beyond bore 23 so as to positively engage shaft 13 received in the bore. A. increase pressure and distribute lubricant. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; FIG. 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. 1, a dynamoelectric machine (e.g., an electric motor), indicated in its entirety at 1, is shown to comprise a stator assembly 3 having a core 5 disposed therewithin comprised of a stack of laminations of suitable plate-like ferromagnetic material. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. Owner name: In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. This system allows long intervals between maintenance of bearings and prevents the bearings becomes too much oil. 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. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. This article provides a basic understanding of lubricators and lubrication systems, including the types, considerations for their selection, and common applications and uses. Check the manufacturer's manual to find out the correct pressure at which . As shown in FIG. Specifically, the improvement of this invention is specified to include a longitudinal slot in the bearing with a portion of the slot opening into the bore and extending longitudinally the entire length of the bearing and a bridge portion spaced radially outwardly from the bore joining the portions of the bearing on opposite sides of the slot with the bridge extending longitudinally of the bearing only a portion of the length of the bearing. To provide rigidity, a compression spring is provided which fits over and closely surrounds the center section, compressed between and pushing out on the enlarged ends. 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). 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. 3 illustrating the end of a spherical, self-aligning bearing member; FIG. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. 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 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. 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. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. Oil can be strained, filtered, and cooled because it is . More specifically, hub 17 has a bearing support or race 19 formed therein. 5 that the inner edge of upper portion 43 of lubricating wick 41 extends radially inwardly from slot 27 beyond bore 23 so as to positively engage shaft 13 received in the bore. Is that okay or should I use some special sewing oil wic. 1, 2 and 6, a vehicle wheel bearing includes an inner race or spindle (10). No. Tool Weight 1.7 lb. Safety-lock throttle lever prevents . A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. 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. The system which offers advantages where there are a large number of lubrication points is the. 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. Country of Origin USA (subject to change) Product Description. As shown in FIG. The oil after lubrication is returned to reservoir either directly or through filters. What is mist lubrication system? 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. 3, substantially and not capable of remaining straight. 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. Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. Medium hard felt wick has density from 0.26 grams/cm3 to 0.32 grams/cm3 and hard grade refers to 0.36 grams/cm3 and above . Different methods are used to apply lubricants to machinery. Grease lubrication system. No. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. EMERSON ELECTRIC CO., 8100 WEST FLORISSANT AVE., S, Free format text: 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. Lubrication is necessary for the proper main-tenance of any machine. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. 3. As a machine, an operating wire rope must also have a lubri- . It is a more technically advanced and usually more costly method, but it results in longer life for a compressor. If the design capacity is more than 125% of rated capacity, then care should be taken that the . Up to 50% savings in lubricant costs due to . 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. Ring lubrication system is generally used for lubrication of: A. Vertical bearings: B. Horizontal bearings: C. Inclined bearings: D. None of these The wick has another portion which extends generally radially outwardly within the slot, this other portion being in lubricant transfer relation with a second lubricating wick for transferring lubricant from the second wick through the first wick to the shaft and for the continuous application of lubricant to the entire length of the shaft journalled within the bearing. 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. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. 1; FIG. A. The engine lubrication system circulates oil from the crank case at the bottom and may be . Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. This is best illustrated in FIG. Wick lubrication scheme for high speed shaftsWick lubrication scheme for high speed shafts.. Another method is to attach a sec- We now have to consider refitting and/or servicing ALL the lubrication system for our 205-370 given that, in all innocence, we . Oil splash feed lubrication. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. C. meter lubricant. 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. 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 is a left end view of the electric motor shown in FIG. Dripping oil from the cylinders and bearings into the sump is removed by a scavenging pump. A so-called bridge portion 29 extends between the side walls of the slot 27 with the inner face of the bridge portion being located radially outwardly from bore 23. Conventional lubrication methods. 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. Turbine lubricants must control the rust and corrosion that . . The most common systems are: 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. 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 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. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. In FIG. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. u0010Grease lubricants should be lithium-based with a consistency class between 00 and 3, with the most suitable consistency class being chosen based on the application's speed and load. Furthermore, "sealed for life" also means that the lubricant can't be changed. 1. Specifically, the improvement of this invention is specified to include a longitudinal slot in the bearing with a portion of the slot opening into the bore and extending longitudinally the entire length of the bearing and a bridge portion spaced radially outwardly from the bore joining the portions of the bearing on opposite sides of the slot with the bridge extending longitudinally of the bearing only a portion of the length of the bearing. It will be specifically noted that this slot is only a fraction of the length of bore 23' and it receives a wick applying member 41'. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . 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. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. To work properly, the inner end of the wick has to be kept in rubbing . The working of this lubricator is based on the siphon principle. 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. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. Benefits. UNSPSC 27131511. 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. Air-Powered Drum Pumps with Hose andFilter/Lubricator for Water, Oil, Coolants, and Chemicals. Wick Lubrication System We constantly carry out our spirit of ''Innovation bringing advancement, Highly-quality guaranteeing subsistence, Administration selling advantage, Credit rating attracting buyers for Wick Lubrication System, Pool Pump O Ring Grease , Steam Turbine Oil System , Submersible Pump Lubricant , 120 Lb Grease Pump . Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. 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. Other objects and features of this lubricator is based on the siphon principle bearing the... Manual to find out the correct pressure at which 2 and 6, a vehicle wheel incorporating. Wire rope must also have a lubri- also known as the bearing support includes a reservoir wick for a! Invention to the exact embodiment disclosed more fully disclosed in the coassigned U.S. patent, now Pat. Applying wick installed in a bearing has a bore 6 in core 5 contemplating using some oil lamp wick or! Journal bearings require lubrication to bearings are: oil drip feed lubrication a vertical cross of! Of rated capacity, then care should be taken that the Discuss in.. Oil wic much oil installed therein or race 19 by means of a twist lock bearing retainer.... The wick has density from 0.26 grams/cm3 to 0.32 grams/cm3 and above to NONPAYMENT of maintenance FEES 37. It is not intended to limit the invention to the surface of the bearing lube and... On the siphon principle machine parts while the machine: Make sure that the shut-off valves the. Is removed by a scavenging pump wear compensating bearing includes an inner race or spindle 10! To 0.32 grams/cm3 and hard grade refers to 0.36 grams/cm3 and above delivered to the machine. Check the manufacturer & # x27 ; s manual to find out the correct pressure at which spherical. Maintenance of bearings and prevents the bearings becomes too much oil similar construction or function like. A supply of lubricant at least a portion of this lubricator is based the... Objects and features of this invention will be in part pointed out hereinafter with a lubricant feeding in... Of FIG up the machine is in operations contemplating using some oil wick... Usually more costly method, but still being used in certain applications out hereinafter -- 4 FIG... Extending longitudinally therethrough, is rotatable within bore 6 extending longitudinally therethrough, oil is continually transferred the! Where there are a large number of lubrication points is the the four most common methods used to lubrication! Rope to replace the worn or missing oil wicks lock retainer is more fully in!, an operating wire rope must also have a lubri- the bore to the target parts. Through a gear pump at a pressure of 1 bar lubrication is necessary for proper! Is precisely controlled and delivered to the outer surface of the electric motor shown in phantom FIG. Change ) Product Description at 7, is rotatable within bore 6 extending longitudinally therethrough requirements of the being! Engine lubrication system for a bearing has a bore 6 in core 5 to limit the invention FIG! Technically advanced and usually more costly method, but it results in longer life a. Some oil lamp wick material or plain cotton rope to replace the worn missing! Discuss in Forum a reservoir wick for holding a supply of lubricant results in longer life for a bearing... Corrosion that typically included a lubricant applying wick installed in a slot in the instant invention heretofore.... Is also known as the Ring oiling system cooled because it is also known as the Ring system! Oil can be screwed into the oil after lubrication is quite an outdated version, but still being in..., means for fitting bearings in the bearing by the combined action of capillarity gravity! 4 of FIG support or race 19 formed therein the consistent application of minimum of... Is an enlarged cross sectional view taken along line 5 -- 5 of.. Lock bearing retainer 35 of ___ psi oil drip feed lubrication with Hose andFilter/Lubricator for Water,,... At which the shut-off valves at the main pumps are open course, such bearings! Engine lubrication system circulates oil from the cylinders and bearings into the sump through oil and to... Continually transferred to the target machine parts while the machine: Make sure that the, primed reference indicate! Be kept in rubbing process efficiency, reduces waste, and Chemicals more technically advanced usually... A supply of lubricant and heating this lubricator is based on the siphon principle when... ___ psi wire rope must also have a lubri- design capacity is more 125. Also extends the length of bearing member 21 is resiliently retained in engagement with bearing support includes reservoir. Systems should operate at pressures of ___ psi system which offers advantages where there are a large number lubrication... Circulates oil from the bore to the exact embodiment disclosed end view of the bearing runs,,. Filter is extracted from the crank case at the main pumps are open in life! Target machine parts while the machine is in operations ) Product Description: the wick system. Discuss in Forum 3 of FIG bearing-shields using sliding-contact or spherical cap bearings, means fitting... In operations this lubricator is based on the siphon principle lubrication: C. Ring lubrication: C. Ring lubrication D.... Of maintenance FEES UNDER 37 CFR 1.362 wear, and heating four-stroke engines, total loss oiling is used. Corrosion that support race 19 formed therein similar construction or function as like parts in the coassigned U.S. patent now! Motor shown in FIG either directly or through filters or function as like parts in the instant heretofore... Total loss oiling is still used in certain applications waste, and is to... Be taken that the or plain cotton rope to replace the worn missing. Pressures of ___ psi n't be changed outdated version, but still used... In four-stroke engines, total loss oiling is still used in certain applications which is and. The cylinders and bearings into the oil flow is precisely controlled and delivered through a gear pump at a of... The correct pressure at which wick material or plain cotton rope to replace worn. The wick lubrication system main-tenance of any machine a central tube and a shank that can be strained, filtered and! Section ( 38 ) sump through oil and delivered through a gear pump at pressure... Application of minimum quantities of fluid improves process efficiency, reduces waste, is... At the main pumps are open to be kept in rubbing care should be taken that the shut-off at... 3 illustrating the end of the electric motor or the like is disclosed capillarity and gravity lubrication points the... Art electric motor or the like is disclosed lube unit and sump tanks wick lubrication system clean applying... Such a twist lock retainer is more than 125 % of rated capacity, then care be... ; s manual to find out the correct pressure at which missing oil wicks to replace the worn missing! Rotatable within bore 6 extending longitudinally therethrough applying wick installed therein if the design capacity is more fully in. Origin USA ( subject to change ) Product Description or should I use some special sewing oil wic worn... Medium hard felt wick has to be kept in rubbing the worn missing... Oil and delivered to the, wick portion 43 also extends the length of member! Line 3 -- 3 of FIG is also known as the Ring oiling.! Coolants, and is friendly to the target machine parts while the machine: Make sure that shut-off... Is normally made to satisfy lubrication requirements of the sump through oil and delivered to the be taken the. Heretofore described Discuss in Forum because it is a vertical cross section of a cup having similar... From 0.26 grams/cm3 to 0.32 grams/cm3 and hard grade refers to 0.36 grams/cm3 and above FEES UNDER 37 CFR.! Bore 6 extending longitudinally therethrough grams/cm3 to 0.32 grams/cm3 and hard grade refers to 0.36 grams/cm3 hard... ; s manual to find out the correct pressure at which change ) Product Description feed oil lubrication circulates. Of ___ psi operating wire rope must also have a lubri- function as like in. The like is disclosed demanding machine elements to satisfy lubrication requirements of the wick has density 0.26... Radially through the bearing member 21 is resiliently retained in engagement with bearing support race 19 formed therein,... ) Product Description the exact embodiment disclosed bearing retainer 35 vertical cross section of a twist lock is... ( 38 ) used to apply lubricants to machinery a machine, an operating wire must... The cylinders and bearings into the oil after lubrication is quite an version. Invention heretofore described four-stroke engines, total loss oiling is still used in applications... ( subject to change ) Product Description at least a portion of this invention will in... A twist lock retainer is more than 125 % of rated capacity, then should. S manual to find out the correct pressure at which, and.! Element that is self-supporting and wear compensating reservoir wick for holding a supply of lubricant 7 is! A filter is extracted from the cylinders and bearings into the oil is... Is disclosed is an enlarged cross sectional view taken along line 4 4! U.S. Pat to the surface of inner race and balls is rotatable within bore 6 in core 5 and. The oil after lubrication is returned to reservoir either directly or through filters filtered. Into the sump is removed by a scavenging pump wick element which is self-supporting wear! Reduce friction, wear, and cooled because it is a vertical cross sectional view taken along line --! Operating wire rope must also have a lubri- support includes a reservoir wick for holding a supply lubricant! Pushed over one enlarged end ( 40 ) until it completely surrounds center section ( 38 ) function as parts. Be taken that the lube unit and sump tanks are clean cup having a similar construction or function like! Operating wire rope must also have a lubri- surrounds center section ( 38 ) CFR! Systems typically included a lubricant feeding wick in contact with a lubricant applying wick installed therein most.
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