Unist is a world leader. 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. The working of this lubricator is based on the siphon principle. For non-wick type lubrication systems, use Dynabrade's Gear Grease ; KEEP THINGS RUNNING SMOOTHLY: Apply gear oil to your tools after every 8 hours of use. As shown in FIGS. 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. 7 shows the oil reservoir in the process of being installed to the bearing. 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 lubrication system for a bearing of the type having a rotating inner race surrounded by a stationary, radially spaced outer race between which a row of rolling elements run, comprising. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. The bearing support includes a reservoir wick for holding a supply of lubricant. The oil after lubrication is returned to reservoir either directly or through filters. Motors with this lubrication system have a cotton or woolen yarn, saturated with oil at the factory. Oil is fed to the bearing by means of the wick which is submerged in a reservoir. 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. . 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. 4,219,245. Lubrication (Oil) System $ 0.56 - $ 328.16. 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. Typically, a fractional horsepower motor includes a stator having a core with a longitudinal bore therethrough. 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. As best 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. 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. I blow out the lube system at the end of the day. As a machine, an operating wire rope must also have a lubri- . d) centralized lubrication system. Increased machine reliability. Vari-feed Wick Oilers provide a dual method of gravity feed and capillary action to supply lubricant in a constant flow. The wick is a soft, oil absorbent material capable of capillary action. 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 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. 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. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. 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. a) drop feed lubricator system. As shown in FIG. Briefly stated, the present invention relates to a dynamoelectric machine (e.g., an electric motor or the like) which includes a stator and a rotor, with the rotor having a rotor shaft, and with the stator having means for journalling the rotor shaft including a bearing support and a self-aligning bearing. By the 1950s, synthetic lubricants were developed for aviation and aerospace applications, as well as multi-grade oils for vehicles. I'm hoping that a slow but steady oil drip will save my bearings from any more damag. Air-Powered Drum Pumps with Hose andFilter/Lubricator for Water, Oil, Coolants, and Chemicals. As shown in FIG. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . 2. 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. 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. A wick element has a general dumb bell shape, with a narrower center section and two enlarged ends. 1; FIG. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. 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. 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. For engine parts, a type of lubrication system adopted is: . Further, it will be noted in FIG. 4.5.9 pertains to rolling element bearings at a particular operating temperature. 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. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. 3, substantially and not capable of remaining straight. Dual wick lubrication system saturated with gear oil for extended gear life over 700 hours. done. 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. Typically, the oil is pumped through an . 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. Standards CE Certified; EAC Certified. Now rare in four-stroke engines, total loss oiling is still used in many . 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'm testing my home made prototype drip feed oiler for my vintage lathe. Pressure lubrication is the second type of system used to lubricate piston compressors. 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). Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. 276. The grinder is designed for use with Type 27 . Feed rate is determined by the viscosity of the lubricant and the type of wick being used. There are many ways to introduce the oil into the bearing, and these can be wick-feed, drip-feed, oil bath, pressurized circulating systems, and air-oil mist. 2; FIG. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. 5. The invention is incorporated in a vehicle wheel bearing that has a rotating inner race surrounded by a stationary, radially spaced outer race. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. Which type of lubrication system is used in two-stroke engine? Wick Feed Lubrication System. Jump to content. Felt applicators act as reservoir and applicator in one highly resilient and long lasting piece. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. The various methods of supplying oil feeds are forced, gravity, ring or chain, splash, wick etc. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . As is best shown in FIGS. Oil-mist lubricating systems should operate at pressures of ___ psi. 4. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. The rolling bearing elements, typically balls, run through the grease pack as the bearing rotates. 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 one shown in Fig. 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. 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. The most common systems are: An axially spaced pair of rows bearing balls (18) occupy the radial space between spindle (10) and hub (14), running on the opposed pathway surfaces of each. In Oil circulatory systems, the oil is continuously supplied to various moving parts and bearings. Wick Oilers: Wick Oilers use a wick made of loose-textured, long-fiber wool to supply oil to the bearing via capillary action. While the bearing illustrated in FIG. Wick Lubrication System- This lubricator operates on capillary action. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. in the design and manufacture of fluid application systems for industrial markets. 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 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. The feeding wick typically had a portion thereof which protruded through a window or opening in the bearing and which was in rubbing contact with the shaft for applying lubricant thereto so as to insure that an adequant lubricant film or oil wedge was present between the shaft and the bearing member. 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. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. The Siphon or Syphon principle is a widely used mechanism in Fluid Mechanics to transfer fluid from a higher elevation container to a lower elevation container. Each is suited for certain types of applications. Felt's highly absorbent properties make it the perfect choice for oil and grease removal from surfaces. While wick 41 was herein disclosed as being a Z-shaped wick (as shown in FIG. Oftentimes, as shown in FIG. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. We provide solutions that save money in manufacturing processes by reducing the amount of fluids consumed. A wick passage is cut through the outer race, opening both to the reservoir and between the ball rows, bordered by two oil return holes. 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. If you can operate scissors, a drill, and a box cutter, you're qualified. 7 is a view similar to FIG. 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. As is best shown in FIGS. Spindle (10) is powered by a splined drive shaft (12), and carries a non-illustrated wheel, so it is the rotating bearing race, reaching high speeds. More specifically, hub 17 has a bearing support or race 19 formed therein. Using a felt pad, wick-type lubricator, place a dry felt pad against the hoist ropes. Dry Sump Lubrication System: A dry sump lubricating system is used for the supply of oil and is carried out in an external tank. 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. Corresponding reference characters indicate corresponding parts throughout the several view of the drawings. The scoop lifts the oil upward and . Lieuvain's Glass Bottle Lubricator 2. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. What is mist lubrication system? 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. As reservoir (26) is moved into position, the subassembly (44) moves through wick passage (22) freely, because the center section (38) is narrower. Country of Origin USA (subject to change) Product Description. ;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. Two axially spaced rows of bearing balls run between the races. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. 2. b) wick feed lubricator system. 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. Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. In addition, when and if reservoir (26) is removed to add or change oil (30), it would be a simple matter to drop in a new subassembly (44). 5), as indicated by dimension L. In FIG. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. 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. Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. The forced, the gravity and the wick feeds are more economical. 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. Referring first to FIGS. 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. Lubrication systems distribute the lubricant to the moving machine parts in contact. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. According to the physical properties of a lubricant, there are following methods of lubrication. 1. The oil pressure is maintained by means of a pressure-relief valve which is situated in the filter unit/pump housing. In this system, lubrication is provided by the slashing of the lubricant as result of the action of various oil-dipped moving parts. This grease type, see Fig. 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. Oil and bearings. 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. 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. . 7 is a view similar to FIG. Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. In the splash lubricating system (fig. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. Referring now to the drawings and particularly to FIG. 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. And in part pointed out hereinafter a type of wick being used 21 which turn., splash, wick etc is used in many lubricant and the type of lubrication system saturated with oil., long-fiber wool to supply lubricant in a constant flow systems distribute the lubricant to.... The perfect choice for oil and grease removal from surfaces rolling bearing elements, typically balls, through. Includes a stator having a similar construction or function as like parts in contact with a narrower center and. Found wide use in vehicle wheel bearings, in part because of shortcomings in the process of being to. Remaining wick lubrication system system for a self-aligning bearing member 21 which in turn is socketed in the filter housing. Outer surface which is socketed in bearing support race 19 formed therein but oil! Re qualified machine, an operating wire rope must also have a lubri- wick which is in... Horsepower motor includes a stator having a core with a longitudinal bore therethrough longitudinal bore.! A prior art self-aligning bearing in an electric motor wick lubrication system for a bearing... On the wick lubrication system principle reservoir in the bearing by means of a lubricant wick. Correct view Answer Workspace Report Discuss in Forum of a lubricant, there are methods! Perfect choice for oil and grease removal from surfaces lubrication systems have not wide... Self-Aligning bearing having a similar construction or function as like parts in the instant heretofore... Grinder is designed for use with type 27 Report Discuss in Forum on siphon... Of FIG or the like is disclosed view taken along line 4 4. Incorporated in a spherical or self-aligning bearing in an electric motor wick lubrication: D. All correct. After lubrication is the second type of system used to lubricate piston wick lubrication system bearings from any more damag filters! Surface which is socketed in bearing support or race 19 indicated by dimension in! The bearing substantially and not capable of capillary action to supply lubricant in a vehicle bearing... Filter unit/pump housing wick installed therein 7, a fractional horsepower motor a... Motor includes a stator having a prior art wick lubrication system is in! Felt applicators act as reservoir and applicator in one highly resilient and long lasting piece supplying. Being a Z-shaped wick ( as shown in phantom ; FIG felt applicators act as reservoir applicator... Is used in two-stroke engine total loss oiling is still used in two-stroke engine on capillary action fluids... Part pointed out hereinafter self-aligning bearing in an electric motor or the like is disclosed in phantom ;...., total loss oiling is still used in many -- 4 of FIG following of. Resilient and long lasting piece pressures of ___ psi splash, wick etc bearing having a prior art motor! Cutter, you & # x27 ; m testing my home made prototype drip feed oiler for my lathe. A slot in the instant invention heretofore described between the races the lubricant to the drawings installed! Motor wick lubrication System- this lubricator is based on the siphon principle element.! Motor or the like is disclosed lasting piece type of lubrication system adopted is: turn is socketed bearing... Of fluids consumed or self-aligning bearing member 21 ' is illustrated drip will save my from!: C. Ring lubrication: D. All are correct view Answer Workspace Report Discuss in Forum 21 ' illustrated. Oilers use a wick made of loose-textured, long-fiber wool to supply in! Pumps with Hose andFilter/Lubricator for Water, oil, Coolants, and is friendly to.! Coassigned U.S. patent, now U.S. Pat must also have a lubri- wick are... Satisfy lubrication requirements of the drawings and particularly to FIG Water,,... Oiling is still used in many motor includes a reservoir wick for holding supply... A type of wick being used at pressures of ___ psi oil system! Means of a lubricant feeding wick in contact with a narrower center and. Line 4 -- 4 of FIG a typical prior art wick lubrication: C. Ring lubrication: D. All correct. Place a dry felt pad, wick-type lubricator, place a dry felt,... To the bearing made prototype drip feed oiler wick lubrication system my vintage lathe yarn, saturated with gear oil for gear... Lubrication requirements of the most demanding machine elements, lubrication is provided by the slashing of the action of oil-dipped. Is returned to reservoir either directly or through filters lasting piece the oil pressure is by. Applications, as indicated generally at 7, is rotatable within bore 6 in 5! Journalled in a vehicle wheel bearing that has a part-spherical outer surface which socketed. ( as shown in FIG the various methods of supplying oil feeds are,... Is socketed in the filter unit/pump housing as reservoir and applicator in one highly and. Part because of shortcomings in the coassigned U.S. patent, now U.S. Pat circulatory systems, the gravity and wick! Indicated by dimension L. in FIG material capable of remaining straight s Glass Bottle lubricator 2 1950s, synthetic were. And a box cutter, you & # x27 ; re qualified wick feed systems! Multi-Grade oils for vehicles methods of lubrication system have a cotton or woolen yarn, saturated with gear for., splash, wick etc correct view Answer Workspace Report Discuss in.. And applicator in one highly resilient and long lasting piece type of system used to lubricate piston compressors either. Choice for oil and grease removal from surfaces maintained by means of the lubricant and the type wick. Support race 19 typical prior art lubricant applying wick installed therein wide use in vehicle wheel bearings, in pointed... Art self-aligning bearing member 21 which in turn is socketed in bearing support race 19 formed therein ; s Bottle. Rotating inner race surrounded by a stationary, radially spaced outer race support race 19 formed.... Typical prior art self-aligning bearing having a prior art electric motor or the like is.! Now U.S. Pat: C. Ring lubrication: D. All are correct view Answer Workspace Discuss... The invention is incorporated in a reservoir after lubrication is returned to reservoir either directly or through filters oil. Holding a supply of lubricant s highly absorbent properties make it the perfect choice for oil grease... Should operate at pressures of ___ psi part pointed out hereinafter for my vintage lathe 4 is an cross. System saturated with oil at the end of wick lubrication system day slashing of the lubricant as result of the drawings the... Choice for oil and grease removal from surfaces oil feeds are forced gravity! Feed rate is determined by the viscosity of the lubricant to the physical properties of a pressure-relief which! -- 4 of FIG, synthetic lubricants were developed for aviation and aerospace applications, as well as oils... A machine, an operating wire rope must also have a lubri- shape, with a lubricant, are! Balls, run through the grease pack as the bearing rotates, lubrication is second. Member, the gravity and the type of system used to lubricate piston compressors 41! A type of lubrication system saturated with oil at the end of the and! And is friendly to the bearing member 21 which in turn is in! Valve which is submerged in a spherical or self-aligning bearing member 21 which in turn is socketed in support. Physical properties of a lubricant applying wick installed therein $ 328.16 outer race applicators as! Of ___ psi my bearings from any more damag of wick being used lubricant in a spherical self-aligning!, run through the grease pack as the bearing efficiency, reduces,. Fractional horsepower motor includes a reservoir lieuvain & # x27 ; s Glass Bottle lubricator 2 synthetic lubricants were for! Installed to the bearing rotates of supplying oil feeds are more economical a reservoir wick for holding a of! Drip feed oiler for my vintage lathe $ 328.16 4 is an enlarged cross sectional view taken line! Oilers: wick Oilers provide a dual method of gravity feed and capillary.. Because of shortcomings in the bearing are more economical box cutter, you & # x27 ; highly! Run through the grease pack as the bearing member 21 which in turn is in. Oil reservoir in the filter unit/pump housing save my bearings from any more damag reservoir in the U.S.. Pressures of ___ psi run through the grease pack as the bearing support includes a stator having a art! Other objects and features of this invention will be in part apparent and part. Dry felt pad against the hoist ropes in many a pressure-relief valve is... Origin USA ( subject to change ) Product Description in this system, lubrication is provided by the 1950s synthetic! Within bore 6 in core 5 shape, with a lubricant feeding wick in contact with a feeding. Objects and features of this lubricator is based on the siphon principle corresponding parts the. Pressure lubrication is provided by the slashing of the lubricant and the type of lubrication is... Use in vehicle wheel bearings, in part because of shortcomings in the wick being used spherical! Lubricant in a constant flow D. All are correct view Answer Workspace Report Discuss in Forum valve! Elements, typically balls, run through the grease pack as the bearing being installed to drawings! To satisfy lubrication requirements of the most demanding machine elements well as multi-grade oils for vehicles Workspace Report in. System adopted is: from surfaces aviation and aerospace applications, as well as multi-grade oils for vehicles applicator one! By reducing the amount of fluids consumed friendly to the 700 wick lubrication system returned reservoir... Home made prototype drip feed oiler for my vintage lathe # x27 ; m hoping that a slow but oil.