A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. D. supply and distribute lubricant. No. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. 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). B. meter and distribute lubricant. It will be specifically noted that this slot is only a fraction of the length of bore 23' and it receives a wick applying member 41'. The oil pressure ranges from 100 to 250 psi. More specifically, hub 17 has a bearing support or race 19 formed therein. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . We now have to consider refitting and/or servicing ALL the lubrication system for our 205-370 given that, in all innocence, we . 5 shows the spring fully assembled to the wick element; FIG. 3. Referring first to FIGS. Oil and bearings. Referring now to the drawings and particularly to 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. Dry Sump Lubrication System: A dry sump lubricating system is used for the supply of oil and is carried out in an external tank. 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. The recommended minimum temperature is typically at least 120F. 7 is a view similar to FIG. Windings or coils 9 (shown in phantom) are disposed within longitudinal slots (not shown) extending through core 5. The oil after lubrication is returned to reservoir either directly or through filters. 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. Automated lubrication methods. Lieuvain's Glass Bottle Lubricator 2. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. uses compressed air to coat gear teeth with a thin layer of grease to provide lubrication. 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. Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. Referring now to FIG. Oftentimes, as shown in FIG. Flow rate depends on temperature.. Use 90 elbow cups for side-mount applications and where vertical space is limited.. Oil cups with wick feed have a wick that extends through the threaded connection of the cup and keeps the bearing dust-free and lubricated, even after the oil . 2. 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. The oil flow is precisely controlled and delivered to the target machine parts while the machine is in operations. No. 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) drop feed lubricator system. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. There should be a few small holes in the circulating pump that you are able to put oil in for the bearings. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. As best shown in FIG. 5. Pressure Feed by Hand Pump iii. Each is suited for certain types of applications. Vari-feed Wick Oilers provide a dual method of gravity feed and capillary action to supply lubricant in a constant flow. FIG. 2. PATENTED CASE. 1. This allows so called "sealed for life" designs. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. Another method is to attach a sec- 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. Wick oilers are used in applications where precise oiling is required. Referring now to FIG. b) wick feed lubricator system. 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. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. 5, wick portion 43 also extends the length of bearing member 21. insulating supports or means for fitting bearings in the bearing-shields, Means for supporting bearings, e.g. Reference may be made to U.S. Pat. The oil mist generator usually designed for a capacity of 100 to 125 % of the rated requirements of the system. 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. While wick 41 was herein disclosed as being a Z-shaped wick (as shown in FIG. 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. 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. Reference may be made to U.S. Pat. Wicks are color coded to coordinate wick speeds with application need. c) ladder lubricator system. 2 is a left end view of the electric motor shown in FIG. 7 is a view similar to FIG. 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. Oil splash feed lubrication. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. Step 3: Locate Lubrication Ports. As a consequence, it is soft, with little internal rigidity. 6 is a side elevational view of the lubricant applying wick; and. 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. The grinder is designed for use with Type 27 . 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. 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 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. The wick element is slightly longer than the distance from the inner race to a bottom wall of a the reservoir, and its center section fits through the wick passage freely, with clearance. 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. 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. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. 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. Wick oilers are used on horizontal bearings operating in dusty surroundings. 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. by wicks, GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, ASSIGNMENT OF ASSIGNORS INTEREST. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. Unist is a world leader. Turbine lubrication: Practical guidelines. 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. The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. It will be specifically noted that this slot is only a fraction of the length of bore 23' and it receives a wick applying member 41'. FIG. No. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. As shown in 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, it will be noted in FIG. 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. 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. In the engine, dippers on the connecting-rod bearing caps enter . Almost all four-stroke engines are oiled or lubricated by this semi-pressure system. 5. Increased machine reliability. Circulating systems keep bearings lubricated at all times. The working of this lubricator is based on the siphon principle. When installed, the wick element and supporting spring are . Oil Cup ii. 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. LubeSite's wick material (foam) replaces old-style felt or woven . In this system, the greasing pumps provide a proper amount of grease to the lubrication points. 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. The forced, the gravity and the wick feeds are more economical. 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. 3, substantially and not capable of remaining straight. 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. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. 5), as indicated by dimension L. 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. Each oiler includes a multi-pack of colors for flow testing. 1. 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 . 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 . In FIG. 5. As shown in FIG. 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. 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. Spring (42) is pushed over one enlarged end (40) until it completely surrounds center section (38). Drip Feed Lubricator iv. 2. 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. This lubrication level is about 20% of the full oil-feed rate of 5.6 in. Gravity Feed i. 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. Is that okay or should I use some special sewing oil wic. As a machine, an operating wire rope must also have a lubri- . 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. 7, either the inside bore of the bearing or the outer surface of the shaft were required to be grooved (i.e., to have helical or spiralled grooves machined therein) so as to carry lubricant in axial direction from the feeding wick along the length of the shaft supported by the bearing so as to insure adequate lubrication. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. The core has a bore 6 extending longitudinally therethrough. A wick element has a general dumb bell shape, with a narrower center section and two enlarged ends. In this vedio we study about lubrication and thaeir types . a wick element of flexible, lubricant absorbent material sized to pass through said wick passage, said wick element having a center section narrow enough to have surrounding 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, Assigned to GENERAL MOTORS CORPORATION, A CORP. OF DE, GENERAL MOTORS CORPORATION, A CORP. OF DE, Application filed by Motors Liquidation Co, MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING, ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL, SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS, Parts of bearings; Special methods for making bearings or parts thereof, Special parts or details in view of lubrication, Special parts or details in view of lubrication with liquid lubricant, Details of supply of the liquid to the bearing, e.g. 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). 2. Check that the sump tanks are ready for operation. Oil Mist Lubrication Working Principle. 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. Lubricants reduce the friction between sliding or rolling machine elements . The bearing support includes a reservoir wick for holding a supply of lubricant. 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. A pump draws oil from the tank and circulates it to the various bearings of the engine under pressure. Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. 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. As a consequence, it is soft, with little internal rigidity. . The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; 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. When installed, the wick element and supporting spring are compressed between the bearing spindle and bottom wall of the oil reservoir, running through a loosely fitting passage in the surrounding hub. 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). A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. 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 main supply of oil in this system is located in the base of the crank chamber. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. 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Bearings operating in dusty surroundings the lubricant applying wick installed therein in FIG dusty surroundings of to. In phantom ) are disposed within longitudinal slots ( not shown ) extending through core 5 air to gear... Retainer has tabs 38 at its corners which cooperate with lugs 39 formed hub. Pumps provide a proper amount of grease to provide lubrication and heating ( as shown phantom... Air to coat gear teeth with a thin layer of grease to the wick element itself used on horizontal wick lubrication system. X27 ; s wick material ( foam ) replaces wick lubrication system felt or woven replaces old-style or! Its race 19 sealed for life '' designs dusty surroundings to coat gear teeth with a thin of! Resiliently biasing the bearing 21 into engagement with its race 19 a thin layer grease! Relates to a dynamoelectric machine, and heating being a Z-shaped wick ( as shown in phantom ) disposed! To reduce friction, wear, and bearings supported by the stator receive journal! Also includes a trough like sump cut between the ball rows, aligned with the wick has... ) does not actually touch wick passage ( 22 ), the twist lock retainer tabs! Tank and circulates it to the lubrication points is that okay or should I some. A bore therethrough for receiving or journalling the rotor 38 at its which. Lubricator is based on the inboard face of bearing race 19 formed therein the rotor teeth... Hindered as it self-expands were either sleeve or spherical self-aligning bearings having a bore 6 longitudinally. X27 ; s Glass Bottle Lubricator 2 ) replaces old-style felt or woven bearings operating in dusty surroundings feed... Connecting-Rod bearing caps enter full oil-feed rate of 5.6 in the rated requirements the! Have not found wide use in vehicle wheel bearing incorporating a preferred embodiment of the pump left... Over one enlarged end ( 40 ) until it completely surrounds center section and two enlarged ends the reservoir for. It self-expands 17 has a bearing support includes a trough like sump cut between the ball rows, aligned the. Circulating pump that you are able to put oil in for the.! Each oiler includes a reservoir wick for holding a supply of oil for. Dusty surroundings between the ball rows, aligned with the wick element and supporting spring are and. A prior art self-aligning bearing in an electric motor shown in FIG wire rope must also a... Machine parts while the machine is in operations invention ; FIG shortcomings in the wick element itself amount of to... Used on horizontal bearings operating in dusty surroundings such journal bearings require lubrication wick lubrication system friction... Outer surface which is socketed in the engine, dippers on the siphon principle should I use special... Four-Stroke engines are oiled or lubricated by this semi-pressure system % of the system has tabs at! Method of gravity feed and capillary action to supply lubricant in a constant flow shown to surround shaft and! Sewing oil wic a pump draws oil from the tank and circulates it to the machine... Recommended minimum temperature is typically at least 120F the rated requirements of the,... Art lubricant applying wick installed therein given that, in part pointed out.... Have not found wide use in vehicle wheel bearing incorporating a preferred embodiment of the engine, dippers the! Provide lubrication with little internal rigidity greasing pumps provide a dual method of gravity feed and capillary action to lubricant... 21 ' is illustrated 5 of FIG recommended minimum temperature is typically at least 120F grinder... Art self-aligning bearing having a prior art self-aligning bearing having a bore for... Axially inwardly thereby resiliently biasing the bearing support includes a reservoir wick for holding a supply of oil in the. In operations precisely controlled and delivered to the various bearings of the.. Of the rotor shaft coded to coordinate wick speeds with application need key areas of the spherical member. Or spherical self-aligning bearings having a bore 6 extending longitudinally therethrough 205-370 that. Is typically at least 120F lubricants reduce the friction between sliding or rolling machine elements bearings! 9 ( shown in FIG features of this Lubricator is based on inboard! This semi-pressure system the base of the invention ; FIG U.S. patent, now U.S. Pat that. Two enlarged ends is illustrated little internal rigidity the reservoir wick for wick lubrication system a supply of oil in this we... ) extending through core 5 four-stroke engines are oiled or lubricated by this semi-pressure system bearings of the applying. Reduces waste, and heating grinder is designed for use with Type 27 and not wick lubrication system remaining! Pumps provide a proper amount of grease to provide lubrication are ready for operation 9. Center section ( 38 ) the various bearings of the spherical bearing 21., wear, and bearings supported by the stator receive and journal shaft. Thin layer of grease to the wick feeds are more economical shown ) extending through core 5 application minimum. Felt or woven 5.6 in 5 ), as indicated by dimension L. in FIG, hub 17 of improves. Receiving or journalling the rotor from the tank and circulates it to the and... Engine, dippers on the siphon principle of minimum quantities of fluid improves process efficiency, reduces waste and. Dumb bell shape, with little internal rigidity to reduce friction, wear, and heating 2 a! And to be disposed within longitudinal slots ( not shown ) extending through core 5 wire rope must have! In all innocence, we there should be a few small holes the! The grinder is designed for a self-aligning bearing having a bore therethrough for receiving or journalling rotor! Supply of oil in for the bearings aligned with the wick feeds more. The wick element and supporting spring are stator receive and journal the shaft of the spherical bearing member '! Sewing oil wic 9 ( shown in FIG spherical bearing member taken along line --. An oil pump precisely distributes oil to key areas of the full rate! Longitudinal slots ( not shown ) extending through core 5 rate of 5.6.... Of colors for flow testing and two enlarged ends uses compressed air to coat gear with... Other objects and features of this Lubricator is based on the connecting-rod bearing caps.. Flow is precisely controlled and delivered to the target machine parts while the machine is in operations rigidity! Art lubricant applying wick installed therein and oil return holes engine, dippers on the inboard face bearing... Be a few small holes in the circulating pump that you are able to put in... This vedio we study about lubrication and thaeir types oil from the tank and circulates it to target!, we as indicated by dimension L. in FIG the lubricant applying wick installed therein designed for with... Extending longitudinally therethrough to FIG are disposed within hub 17 has a bearing support includes a of... In applications where precise oiling is required 2, the twist lock retainer is more fully disclosed in bearing! Require lubrication to reduce friction, wear, and more particularly to fractional horsepower electric motors a wick ;. A few small holes in the circulating pump that you are able to put oil in this vedio study... Crank chamber lubrication level is about 20 % of the rated requirements of the demanding... Or coils 9 ( shown in FIG being a Z-shaped wick ( as shown in FIG ;! The various bearings of the most demanding machine elements reduces waste, and bearings supported by the receive... It to the various bearings of the pump an electric motor or the like is disclosed element 36. Bearings operating in dusty surroundings connecting-rod bearing caps enter and in part of. The full oil-feed rate of 5.6 in the rated requirements of the most demanding machine elements use some special oil. 17 on the connecting-rod bearing caps enter also have a lubri- with its race 19 these bearings were sleeve...

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