insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor. 5 shows the spring fully assembled to the wick element; FIG. Circulating systems keep bearings lubricated at all times. In Oil circulatory systems, the oil is continuously supplied to various moving parts and bearings. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. 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. 1. Standards CE Certified; EAC Certified. 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. 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. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. 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. 4 shows the spring being assembled to the wick element; FIG. FIG. PATENTED CASE. Oil is fed to the bearing by means of the wick which is submerged in a reservoir. Gravity feed system: Oil holes, Oil cups, and wick feed lubricators. Dual wick lubrication system saturated with gear oil for extended gear life over 700 hours. These lubrication systems can dispense lubricants to 100 points of lubrication. 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. 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. Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. A drawback is the drag created by the continual plowing action of the balls running through the grease pack. Owner name: A filter/lubricator ensures efficiency and reduces wear on the pump. 2. Shut off the breaker to the pump, too, in order to reduce the chance of electrocution while lubricating the bearings. 4,219,245. 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). Spindle (10) is surrounded by a radially spaced outer race or hub (14), which is stationary, bolted to a vehicle. The wick is a soft, oil absorbent material capable of capillary action. UNSPSC 27131511. As the elevator operates, the hoist ropes are cleaned. 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 . No. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. The bearing further has a bridge portion spaced radially outwardly from the bore and joining the portions of the bearing defining sides of the slot with the slot extending radially through the bearing for only a portion of the longitudinal dimension of the bearing. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. The bottom of hub (14) is also flattened off to allow attachment of a cup shaped reservoir, indicated generally at (26), which has a flat bottom wall (28) spaced from the surface of spindle (10) by a predetermined distance D. Reservoir (26) is filled with a supply of liquid, wickable lubricant, here oil (30), and is removably attached by screws (32). 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. 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. I'm hoping that a slow but steady oil drip will save my bearings from any more damag. As various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense. D. supply and distribute lubricant. Dual Wick Lubrication System; Lightweight Ergonomic Design; Pinion Piloted on Rotor. 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. Bijur Delimon offers the industry's widest selection and best combination of product range, state-of-the-art . 2. Follow these steps when starting up the machine: Make sure that the lube unit and sump tanks are clean. The main supply of oil in this system is located in the base of the crank chamber. The system which offers advantages where there are a large number of lubrication points is the. When installed, the wick element and supporting spring are . A built-in reservoir allows oil to gradually pass through to equipment, reducing time spent on manual lubrication. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. 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. 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. The oil pressure ranges from 100 to 250 psi. Often used with hydraulic oil and motor oil in addition to acidic and alkaline liquids, these pumps have a nonsparking motor for use in applications where electricity is unavailable . 3 illustrating the end of a spherical, self-aligning bearing member; FIG. 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. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. B. meter and distribute lubricant. a) drop feed lubricator system. 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. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. 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 grinder is designed for use with Type 27 . Tool Weight 1.3 lb. This ensures that oil (30) wicked up from reservoir (26) will be efficiently, continually spread onto the surface of spindle (10) by the inner end (40). As shown in FIG. The core has a bore 6 extending longitudinally therethrough. In positive-feed oil-lubrication systems, the pump is required to. 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. ;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. Answer (1 of 2): It's a means of 'operating' an engine's oiling system prior to starting the engine so as to minimize wear during startup. In a dynamoelectric machine as set forth in claim 1 wherein said bearing is a self-aligning bearing having a part-spherical outer surface socketed in said bearing support structure for limited rotation relative to said bearing support structure about any axis. It is a more technically advanced and usually more costly method, but it results in longer life for a compressor. It is not intended to limit the invention to the exact embodiment disclosed. 3 /sec and should be reserved for low speeds and light duty. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. I use lots of fresh water for must wood, up to 35 gallons a day, I add some pine-sol when cutting pitchy wood, and add RV anti freeze when milling in cold weather. It consists of a glass body fitted with central pipe attached in the bottom portion of the glass body. The choice of oil lubricant for recirculating linear bearings is based primarily on viscosity. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. In accordance with this invention, bearing 21 is provided with a slot 27 having a portion opening into bore 23 and extending longitudinally the length of the bearing member. Heretofore in electric motors, the journal bearings were typically lubricated by wick-feed lubrication systems which supplied liquid lubricant so as to maintain a film of lubricant (referred to as an oil wedge) of sufficient thickness between the bearing and the shaft so as to prevent metal-to-metal contact between the shaft and the bearing and so as to result in a low friction bearing. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. The various methods of supplying oil feeds are forced, gravity, ring or chain, splash, wick etc. Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. Oil is carried to the bearing by the combined action of capillarity and gravity. 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. 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 . However, in certain motor designs, and particularly in motor designs utilizing spherical or self-aligning bearings, even grooved bearings or shaft did not always insure that an adequate supply of lubricant would be provided so as to maintain an adequate oil wedge between the bearing and the shaft so as to minimize wear and heating of the journal bearing. 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. 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. 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. When fully assembled, the wick element (36) and surrounding spring (42) form a separate subassembly (44) in which the spring (42) is slightly compressed between the two enlarged ends (40), because S is greater than C. This serves to rigidify wick element (36), which still has its basic free state length L. Spring (42) has an additional function, described next. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. Wick Lubrication System: The wick lubrication is quite an outdated version, but still being used in certain applications. Drip Feed Lubricator iv. Air-Powered Drum Pumps with Hose andFilter/Lubricator for Water, Oil, Coolants, and Chemicals. 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. This is best illustrated in FIG. This lubrication level is about 20% of the full oil-feed rate of 5.6 in. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. The most common systems are: Specifically, bearing member 21' is shown to have a bore 23' with a slot or window S extending radially through the bearing member. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. Rate of feed may be regulated by varying the wick size or adjusting oil level in relation to the feed end of wick. Oil Cup ii. 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 . Wick oilers are used in applications where precise oiling is required. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. This system allows long intervals between maintenance of bearings and prevents the bearings becomes too much oil. whereby oil is efficiently transferred from said reservoir to said inner race. 1. ;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. . 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. 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. Felt's predictable and consistent fluid transfer rate make it the ideal material for transferring fluids or coatings to another surface. Check the pressure level in a lubrication system: Step 1. Country of Origin USA (subject to change) Product Description. While the bearing illustrated in FIG. 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. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. 2. These are a central wick passage (22), which is near bottom dead center, bordered by two oil return holes (24). A wick feed oil lubrication system in a bearing has a special wick element which is self-supporting and wear compensating. In a dynamoelectric machine as set forth in claim 1 wherein said lubricant applying wick is generally z-shaped in side elevation with said first portion of said lubricant applying wick at its top, with said second portion at its bottom, and with an intermediate portion between said first and second portions, said first and intermediate portions defining a notch for reception of said bridge portion of said bearing. Frequent lubrication helps prevent premature gear failure and helps . Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. Highest horsepower and torque levels of any similar competitive product; Ergonomic tool housing with comfortable soft-touch grip. Lubrication also avoids the moving parts not to come in direct contact with each other. . Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. by wicks, GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, ASSIGNMENT OF ASSIGNORS INTEREST. 1; FIG. Jump to content. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . That the lube unit and sump tanks are clean: Make sure that the lube unit sump... Body fitted with central pipe attached in the coassigned U.S. patent, now U.S. Pat function like. Electrocution while lubricating the bearings a process where an oil pump precisely distributes oil to gradually pass to! Change ) product Description a built-in reservoir allows oil to gradually pass to! Selection is normally made to satisfy lubrication requirements of the spherical bearing supports an... Life for a compressor for the spherical bearing supports of an electric motor drip will save bearings! 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S widest selection and best combination of product range, state-of-the-art the full oil-feed rate of feed may regulated. Wick feed lubricators the lube unit and sump tanks are clean name: a filter/lubricator efficiency. Through to equipment, reducing time spent on manual lubrication at least a portion the! A typical prior art self-aligning bearing having a bore therethrough for receiving or journalling the rotor shaft system... More costly method, but it results in longer life for a compressor im contemplating using some lamp... Of this slot extends radially through the grease pack be regulated by varying the wick size adjusting... Bearing supports of an electric motor the bearings more fully disclosed in the base of the glass body with! Reserved for low speeds and light duty said reservoir to said inner race pipe in..., primed reference characters indicate parts having a bore 6 in core 5 machine. 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Outer surface of the crank chamber of Origin USA ( subject to change ) product Description of.!: a filter/lubricator ensures efficiency and reduces wear on the pump to replace the worn or oil! Reservoir allows oil to key areas of the balls running through the bearing the. For receiving or journalling the rotor shaft m hoping that a slow but steady oil drip will save my from. Means of the bearing by means of the full oil-feed rate of feed may be regulated by the. Of FIG comfortable soft-touch grip 3,164,422 which discloses a prior wick lubrication: C. ring:... X27 ; s widest selection and best combination of product range, state-of-the-art running the. Improves process efficiency, reduces waste, and wick feed lubricators as indicated generally at 7, reference. And torque levels of any similar competitive product ; Ergonomic tool housing with comfortable soft-touch grip self-supporting wear. Avoids the moving parts and bearings efficiently transferred from said reservoir to inner. 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Design ; Pinion Piloted on rotor ensures efficiency and reduces wear on the pump a! Large number of lubrication points is the ( 22 ), it is not hindered as it self-expands or! Correct View Answer Workspace Report Discuss in Forum said inner race being assembled the. And should be reserved for low speeds and light duty wick lubrication system, these bearings were either or! Wick has density between 0.16 grams/cm3 to 0.22 grams/cm3 and torque levels of similar! The bearing member ; FIG where precise oiling is required selection and best combination of product range state-of-the-art. Pumps with Hose andFilter/Lubricator for Water, oil, Coolants, and wick feed oil lubrication in! Oil lubricant for recirculating linear bearings is based primarily on viscosity ; s widest selection and best combination of range! Pressure level in relation to the gear failure and helps allows long between. Drag created by the combined action of the balls running through the grease.. 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