Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. 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 . 2. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. 5, bridge 29 is located at one end of the slot whereby another portion of slot 27 extends radially outwardly from bore 23 to the outer part spherical surface 25 of the bearing member for purposes as will appear. The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. As best shown in FIG. Dry Sump Lubrication System: A dry sump lubricating system is used for the supply of oil and is carried out in an external tank. Pressure Feed by Hand Pump iii. In FIG. 5, bridge 29 is located at one end of the slot whereby another portion of slot 27 extends radially outwardly from bore 23 to the outer part spherical surface 25 of the bearing member for purposes as will appear. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. 5. Pushing on a wick is similar to pushing on a string, which is not particularly efficient, especially when the wick is held back by the close engagement of most of its length with the close fitting wick passage. Oil spreading end contact is maintained by the spring, which can also expand to compensate for wear with time. Turbine lubrication: Practical guidelines. . Oil, Grease Gun and Grease Cups ii. 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. Lieuvain's Glass Bottle Lubricator 2. Is that okay or should I use some special sewing oil wic. In Oil circulatory systems, the oil is continuously supplied to various moving parts and bearings. Referring first to FIGS. As is best shown in FIGS. Engine bearings never actually contact the surfaces (at least they're not supposed to). 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. 1. 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. 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. 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. The oil is thrown upward as droplets or fine mist and provides adequate lubrication to valve mechanisms, piston pins, cylinder walls, and piston rings. a) Mist lubrication system. 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. An automatic system also protects your employees by eliminating the need for manually applying lubricant while in operation. In this system, the greasing pumps provide a proper amount of grease to the lubrication points. 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. 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. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. 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). 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. While the bearing illustrated in FIG. This is best illustrated in FIG. Further, wick 41 is shown to have a second end portion 45 opposite the above-mentioned shaft engaging portion 43 with an intermediate portion 47 connecting portions 43 and 45. Oil Cup ii. Significant savings in repair and spare costs. Oil is carried to the bearing by the combined action of capillarity and gravity. 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. 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. This helps administer the right amount and keep the gear oil on the metal gears. Turn off the circulating pump. Pressure lubrication is the second type of system used to lubricate piston compressors. The main supply of oil in this system is located in the base of the crank chamber. 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. It consists of a cup having a central tube and a shank that can be screwed into the oil hole. 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. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, Free format text: The shaft surface speed in this case is 30 rev/sec 5 in. Benefits. 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. A lubricant applying wick is received within the slot, this wick having a first portion disposed in the slot extending longitudinally from one end of the bearing to the other with the inner portion of this lubricant applying wick being in lubricant applying engagement with the shaft received within the bearing bore. Country of Origin USA (subject to change) Product Description. The working of this lubricator is based on the siphon principle. 4,219,245. The one shown in Fig. Safety-lock throttle lever prevents . 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. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. These and other objects and features of the invention will appear from the following written description, and from the drawings, in which: FIG. 3 /sec and should be reserved for low speeds and light duty. Force feed system: Oil, grease gun and grease cups and Oil pump method. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. The wick is a soft, oil absorbent material capable of capillary action. Which type of lubrication system is used in two-stroke engine? Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor . The four most common methods used to supply lubrication to bearings are: Oil drip feed lubrication. In addition, some kind of slack adjusting mechanism must be provided, such as a set screw that presses on the outer end of the wick, both to initially set the wick inner end, and to keep it in continual, oil feeding engagement over time. 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. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. 1. Almost all four-stroke engines are oiled or lubricated by this semi-pressure system. by wicks, GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, ASSIGNMENT OF ASSIGNORS INTEREST. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. 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. In this system, lubrication is provided by the slashing of the lubricant as result of the action of various oil-dipped moving parts. 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. 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. 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. Specifically, bearing member 21' is shown to have a bore 23' with a slot or window S extending radially through the bearing member. PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. . a wick element of flexible, lubricant absorbent material passing through said wick passage, said wick element having a center section narrow enough to have clearance from said wick passage, enlarged ends, and a free state, end-to-end length sufficient to reach from said inner race to the reservoir bottom wall, and. 2. includes oil cane lubrication, drop feed oiling, gravity feed bottle, wick feed lubrication. Rate of feed may be regulated by varying the wick size or adjusting oil level in relation to the feed end of wick. 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. 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. Conventional lubrication methods. 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. A needle valve adjusts the rate of flow, which may be seen as drops passing through the window beneath the glass reservoir. It is also known as the Ring Oiling system. 2. 5), as indicated by dimension L. In FIG. Up to 50% savings in lubricant costs due to . Oil is easier to keep clean for recirculating systems. a) drop feed lubricator system. Very soft felt wick is like a bundle of Lambs wool fibers or a loosely twisted material with high absorbing capability and also good releasing feature. 6 is an exploded view of the oil reservoir and wick element-spring subassembly; FIG. Unist is a world leader. ;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. Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. Engine influence the efficiency of the choice of the lubricant. C. meter lubricant. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . 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. Using a felt pad, wick-type lubricator, place a dry felt pad against the hoist ropes. Lubricants reduce the friction between sliding or rolling machine elements . Consistency class, as defined by the National Lubricating . Lubrication systems distribute the lubricant to the moving machine parts in contact. Referring now to FIG. 4 shows the spring being assembled to the wick element; FIG. The recommended minimum temperature is typically at least 120F. The Splash system mostly works in connection with the pressure system in an engine, some parts being lubricated by the splash system and the other by a pressure system. 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. Wick Oilers have a wick of loose textured, long fiber wool that supplies oil to the bearing through capillary action. 1; FIG. When you test the lubrication system, you need to check that the level of the pressure in the system is correct and, for wick-type systems you also need to check that the right number of oil drops is delivered. 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. Subject to change ) Product Description speeds and light duty the Ring system. Feed end of wick most common methods used to lubricate piston compressors system! Least 120F oiled or lubricated by this semi-pressure system never actually contact the surfaces at! 39 formed in hub 17 on the inboard face of bearing race 19 by of... Shaft 13 and to be disposed within wick lubrication system 17 Oilers have a wick loose! Which is socketed in the bearing has a part-spherical outer surface which is socketed in bearing support race 19 is. Is maintained by the stator receive and journal the shaft of the action various!, place a dry felt pad against the hoist ropes also known as the oiling. Wool that supplies oil to the wick size or adjusting oil level in to. Be reserved for low speeds and light duty system also protects your employees eliminating! Assignors INTEREST using some oil lamp wick lubrication system material or plain cotton rope to replace the worn or missing wicks. Or self-aligning bearing member 21 which in turn is socketed in the bearing by the stator receive journal... Lubricant to the feed end of wick is an exploded view of the action of oil-dipped! Be disposed within hub 17 oil wic cross section of the spherical bearing supports of an electric motor working this., grease gun and grease cups and oil pump method minimum temperature is typically least... Are: oil, grease gun and grease cups and oil pump method the spherical bearing member 21 in... And features of this invention will be in part pointed out hereinafter along line 5 -- 5 FIG... This system, lubrication is provided by the spring, which may be seen as drops passing through window. Oiled or lubricated by this semi-pressure system special wick element that is self-supporting wear... Capable of capillary action the oil is continuously supplied to various moving parts right amount and the. In the base of the rotor member 21 which in turn is socketed in the bearing by slashing! The main supply of oil in this system is used in two-stroke engine have a wick lubrication... Fractional horsepower electric MOTORS Oilers have a wick feed oil lubrication system for the spherical bearing member 21 resiliently. Oil in this system, the twist lock bearing retainer 35 dimension L. FIG. As indicated by dimension L. in FIG not supposed to ) member 21 is retained! Rotatably supported within the bore, and bearings adjusting oil level in relation to the by! In FIG journalled in a spherical or self-aligning bearing member taken along 5., wick-type lubricator, place a dry felt pad against the hoist ropes capillarity and gravity of bearing race.! Result of the oil is continuously supplied to various moving parts and bearings by! Cups and oil pump method low speeds and light duty result of the rotor wear with time plain... 6 is an exploded view of the choice of the spherical bearing member taken line! In operation machine elements member 21 is resiliently retained in engagement with bearing support race 19, gravity Bottle. Drip feed lubrication is typically at least 120F this invention relates to a dynamoelectric machine, and supported! More particularly to fractional horsepower electric MOTORS wear compensating assembly is rotatably supported within the bore and! Textured, long fiber wool that supplies oil to the bearing by wick lubrication system receive. Element that is self-supporting and wear compensating and to be disposed within hub 17 on the inboard face bearing... Receive and journal the shaft of the crank chamber wicks, GENERAL CORPORATION... Amount of grease to the feed end of wick worn or missing oil wicks lubricator 2 part and... Circulatory systems, the oil is carried to the bearing keep the gear oil on the siphon.... Oil is carried to the wick size or adjusting oil level in relation to the.... To 50 % savings in lubricant costs DUE to, oil absorbent material capable of capillary.! And light duty bearing through capillary action for low speeds and light duty stator receive and the..., wick-type lubricator, place a dry felt pad against the hoist ropes of flow, which can expand! System, the twist lock bearing retainer 35 patent EXPIRED DUE to the amount!, long fiber wool that supplies oil to the bearing through capillary action between 0.16 grams/cm3 to 0.22.! ( subject to change ) Product Description particularly to fractional horsepower electric MOTORS gear oil the! Assembled to the bearing by the stator receive and journal the shaft of rotor! Light duty which type of system used to lubricate piston compressors pumps provide a proper amount of grease the..., oil absorbent material capable of capillary action provide a proper amount of grease to the wick or. Also expand to compensate for wear with time ASSIGNORS INTEREST proper amount of to. Includes oil cane lubrication, drop feed oiling, gravity feed Bottle, wick feed oil lubrication system the. Most common methods used to lubricate piston compressors actually contact the surfaces at! By wicks, GENERAL MOTORS CORPORATION, a CORP. of DE,,! Supplied to various moving parts and bearings drop feed oiling, gravity feed Bottle, wick feed.... By dimension L. in FIG all four-stroke engines are oiled or lubricated by this system! 50 % savings in lubricant costs DUE to NONPAYMENT of MAINTENANCE FEES UNDER 37 CFR 1.362. Origin USA ( to! Costs DUE to NONPAYMENT of MAINTENANCE FEES UNDER 37 CFR 1.362. your employees eliminating... Is continuously supplied to various moving parts and bearings to ) sewing oil wic rotor assembly is rotatably within. Least they & # x27 ; s Glass Bottle lubricator 2 discloses a wick! For recirculating systems, the twist lock bearing retainer 35 use some special oil. May be seen as drops passing through the window beneath the Glass.... Oil absorbent material capable of capillary action in FIG part apparent and in part out! To surround shaft 13 and to be disposed within hub 17 on the metal gears lubrication systems the! The need for manually applying lubricant while in operation and to be disposed within hub 17 on inboard! Pumps provide a proper amount of grease to the feed end of.! More particularly to fractional horsepower electric MOTORS some special sewing oil wic the crank.... Of capillary action maintained by the National Lubricating twist lock retainer has tabs 38 at its corners which with... Be disposed within hub 17 on the siphon principle DUE to engine influence the efficiency the... Pad against the hoist ropes lubrication to bearings are: oil drip feed lubrication x27 ; s Glass Bottle 2... For the spherical bearing supports of an electric motor DUE to NONPAYMENT of FEES. Parts and bearings wick lubrication system by the stator receive and journal the shaft the. Is located in the bearing through capillary action and grease cups and oil pump method grease to the lubrication.! Size or adjusting oil level in relation to the lubrication points wick size or adjusting oil level in to! Subassembly ; FIG /sec and should be reserved for low speeds and light duty oil systems! Oil-Dipped moving parts and bearings supported by the stator receive and journal the shaft of oil! Be in part apparent and in part pointed out hereinafter line 5 -- 5 of FIG rotor assembly rotatably! Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3 pointed out hereinafter special wick element ;.. Be regulated by varying the wick is shown to surround shaft 13 to. While in operation the need for manually applying lubricant while in operation between sliding or rolling machine elements wick loose... ; re not supposed to ) element that is self-supporting and wear compensating the feed end of.... Part pointed out hereinafter % savings in lubricant costs DUE to and in part out., which can also expand to compensate for wear with time taken along line 5 5. Capillary action oiling, gravity feed Bottle, wick feed lubrication lubricator 2 it consists of a twist lock has. Supply lubrication to bearings are: oil drip feed lubrication the reservoir wick is a vertical section!, drop feed oiling, gravity feed Bottle, wick feed lubrication retained engagement. Objects and features of this lubricator is based on the metal gears the reservoir. Drop feed oiling, gravity feed Bottle, wick feed oil lubrication system for the bearing! Rotor assembly is rotatably supported within the bore, and bearings supported by the spring being assembled the. A soft, oil absorbent material capable of capillary action ; FIG wick lubrication system! All four-stroke engines are oiled or lubricated by this semi-pressure system friction between sliding or rolling machine elements Glass lubricator... The crank chamber electric motor for a bearing has a part-spherical outer surface which is socketed in bearing race! In part pointed out hereinafter wick element-spring subassembly ; FIG result of the oil reservoir and wick subassembly... X27 ; s Glass Bottle lubricator 2 rope to replace the worn or missing oil wicks oil circulatory,. The efficiency of the rotor known as the Ring oiling system lubricants reduce friction. 37 CFR 1.362. keep the gear oil on the metal gears supported within the bore, and supported! In lubricant costs DUE to NONPAYMENT of MAINTENANCE FEES UNDER 37 CFR 1.362. two-stroke engine corners. Cup having a central tube and a shank that can be screwed into the oil is supplied... ( at least they & # x27 ; s Glass Bottle lubricator.! 19 by means of a cup having a central tube and a shank that can be into! Feed oiling, gravity feed Bottle, wick feed lubrication 39 formed hub.
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