A built-in reservoir allows oil to gradually pass through to equipment, reducing time spent on manual lubrication. Different methods are used to apply lubricants to machinery. While wick 41 was herein disclosed as being a Z-shaped wick (as 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. 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. 5 shows the spring fully assembled to the wick element; FIG. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. 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 oil after lubrication is returned to reservoir either directly or through filters. Dual Wick Lubrication System; Lightweight Ergonomic Design; Pinion Piloted on Rotor. 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. 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 oil flow is precisely controlled and delivered to the target machine parts while the machine is in operations. I blow out the lube system at the end of the day. 4. Country of Origin USA (subject to change) Product Description. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. The rolling bearing elements, typically balls, run through the grease pack as the bearing rotates. 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). Corresponding reference characters indicate corresponding parts throughout the several view of the drawings. 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. Functions of Engine Lubricating System. FIG. 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. 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. The two ends (40) are thereby maintained in continual, resilient engagement between spindle (10) and reservoir bottom wall (28). 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. This is best illustrated in FIG. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. Is that okay or should I use some special sewing oil wic. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. 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. A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. 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. In positive-feed oil-lubrication systems, the pump is required to. While the bearing illustrated in FIG. Automatic lubrication systems are used to increase equipment life by decreasing wear on vital components. 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. The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. a) drop feed lubricator system. 6). As shown in FIGS. 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. 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. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. As best shown in FIG. 3 is a vertical cross sectional view taken along line 3--3 of FIG. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. Check that the shut-off valves at the main pumps are open. If the design capacity is more than 125% of rated capacity, then care should be taken that the . Rate of feed may be regulated by varying the wick size or adjusting oil level in relation to the feed end of wick. Check that the sump tanks are ready for operation. 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. 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: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. 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). 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. 276. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. In the splash lubricating system (fig. In FIG. Tool Weight 1.7 lb. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. 1. 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. Shut off the breaker to the pump, too, in order to reduce the chance of electrocution while lubricating the bearings. Circulating systems . FIG. 6). Circulating systems keep bearings lubricated at all times. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 1, 2 and 6, a vehicle wheel bearing includes an inner race or spindle (10). Further, it will be noted in FIG. A filter/lubricator ensures efficiency and reduces wear on the pump. 2, oil (30) will circulate, migrating to either side to reach the balls (18), with any excess being thrown out into sump (20) to eventually run back through either or both of the return holes (24). 1. Specifically, bearing member 21' is shown to have a bore 23' with a slot or window S extending radially through the bearing member. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. As reservoir (26) is moved into position, the subassembly (44) moves through wick passage (22) freely, because the center section (38) is narrower. 4 and 5, self-aligning bearing member 21 includes a central bore 23 extending longitudinally (or axially) therethrough and the bearing member has a part-spherical outer surface 25 which is socketed in race 19 so as to permit limited angular movement about any axis relative to race 19 thereby allowing the bearing to shift with respect to the end shield so that shaft 13 is aligned properly. Wick Oilers have a wick of loose textured, long fiber wool that supplies oil to the bearing through capillary action. As best shown in FIG. Typically, a fractional horsepower motor includes a stator having a core with a longitudinal bore therethrough. 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. 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. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . PATENTED CASE. As shown in 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. 3 illustrating the end of a spherical, self-aligning bearing member; FIG. 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. B. meter and distribute lubricant. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. 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. Wick Feed Lubricator: Figure 8.7 show the assembled drawing of wick feed lubricator. The core has a bore 6 extending longitudinally therethrough. done. 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. Lubrication is necessary for the proper main-tenance of any machine. Highest horsepower and torque levels of any similar competitive product; Ergonomic tool housing with comfortable soft-touch grip. Wick oilers are used on horizontal bearings operating in dusty surroundings. Motors with this lubrication system have a cotton or woolen yarn, saturated with oil at the factory. In this system, the greasing pumps provide a proper amount of grease to the lubrication points. 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. LubeSite's wick material (foam) replaces old-style felt or woven . It is also known as the Ring Oiling system. 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). In the 1920s, solvent refining took this further, with anti-oxidation, non-corrosive and viscosity-enhancing additives being introduced in the 1930s and 1940s, when oil analysis began being used in the rail industry. 5), as indicated by dimension L. In FIG. . Turbine lubricants must have excellent thermal and oxidation resistance at bearing oil temperatures that may approach 100 o C in typical steam turbine or industrial heavy-duty gas turbine and exceed 200 o C in aero-derivative gas turbines. 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. Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. Benefits. 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. 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). Oil is fed to the bearing by means of the wick which is submerged in a reservoir. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. FIG. Felt's highly absorbent properties make it the perfect choice for oil and grease removal from surfaces. Oil can be strained, filtered, and cooled because it is . A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. Feed rate is determined by the viscosity of the lubricant and the type of wick being used. Oil, Grease Gun and Grease Cups ii. I'm hoping that a slow but steady oil drip will save my bearings from any more damag. 4, slot 27 has a width, as indicated by dimension W, and a length (shown in FIG. Turbine lubricants must control the rust and corrosion that . Methods of Lubrication. Grease lubrication system. As a machine, an operating wire rope must also have a lubri- . 2; FIG. 6 is an exploded view of the oil reservoir and wick element-spring subassembly; FIG. In FIG. 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). a) Mist lubrication system. How do I make a Wick System? Reference may be made to U.S. Pat. 3 is a vertical cross sectional view taken along line 3--3 of FIG. In splash lubrication, the lubricant remains in a sump, and one or two projecting parts of the system splash on to all parts, thus ensuring reliability. 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. 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. 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. 1; FIG. Two axially spaced rows of bearing balls run between the races. 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. They 'float' on a thin film of oil that is forced under pressure into . Oil may be introduced to the bearing housing in many ways. 4.5.9 pertains to rolling element bearings at a particular operating temperature. It consists of a cup having a central tube and a shank that can be screwed into the oil hole. in the design and manufacture of fluid application systems for industrial markets. 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. 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. 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. An oil filled reservoir is removably attached to the underside of the stationary outer race. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. Lubrication systems distribute the lubricant to the moving machine parts in contact. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. Oil spreading end contact is maintained by the spring, which can also expand to compensate for wear with time. 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). Tool Weight 1.3 lb. 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. 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. 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). The recommended minimum temperature is typically at least 120F. 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. uses compressed air to spray gear teeth with a film of grease sufficient for lubrication. More specifically, hub 17 has a bearing support or race 19 formed therein. Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. 4,219,245. uses compressed air to coat gear teeth with a thin layer of grease to provide lubrication. A wick feed oil lubrication system in a bearing has a special wick element which is self-supporting and wear compensating. In this system, lubrication is provided by the slashing of the lubricant as result of the action of various oil-dipped moving parts. Wick (cotton or wool s) carries oil from the well to the shaft sleeve. . 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. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. 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. 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. 7 is a view similar to FIG. 5. Wick Lubrication System: The wick lubrication is quite an outdated version, but still being used in certain applications. 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. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. Safety-lock throttle lever prevents . This helps administer the right amount and keep the gear oil on the metal gears. Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. As is best shown in FIGS. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. 2 is a left end view of the electric motor shown in FIG. Oil-mist lubricating systems should operate at pressures of ___ psi. The forced, the gravity and the wick feeds are more economical. Jump to content. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. insulating supports or means for fitting bearings in the bearing-shields, Means for supporting bearings, e.g. 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. Check the pressure level in a lubrication system: Step 1. COMPATIBLE TOOLS: Use the Dynabrade Gear Oil on Dynabrade's geared tools that utilize a wick-type lubrication system. I'm testing my home made prototype drip feed oiler for my vintage lathe. This drag is translated into extra heat. Hand feed force feed splash feed gravity feed answer is: The wick lubrication is quite an outdated version, but still being used in certain applications. 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. Wick oilers are used in applications where precise oiling is required. 1. Increased machine reliability. As shown in FIG. Leather Sewing Machines . Oil serves as . Oil Cup ii. 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. 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. 6 is a side elevational view of the lubricant applying wick; and. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. Conventional lubrication methods. 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 . Country of Origin USA (subject to change) Product Description. Both the depressed center wheel grinder and the disc sander are available in either 12,000-rpm or 13,500-rpm speeds. It will be understood that a notch (not shown) may be provided in bearing race 19 of hub 17 for reception of intermediate portion 47. Frequent lubrication helps prevent premature gear failure and helps . As shown in FIG. 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.
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