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). Pressure Feed by Hand Pump iii. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. Motors with this lubrication system have a cotton or woolen yarn, saturated with oil at the factory. Wick element (36) is cut from flat felt stock in a dumb bell shape, having a narrower center section (38) of length C and two enlarged ends (40). Which type of lubrication system is used in two-stroke engine? 1; FIG. 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. Lubrication is necessary for the proper main-tenance of any machine. 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. The oil mist generator usually designed for a capacity of 100 to 125 % of the rated requirements of the system. . As best shown in FIG. Owner name: The grinder is designed for use with Type 27 . This is best illustrated in FIG. The oil reservoir wick is held in place in the hub and is enclosed by means of a closure cap 33 press fitted into the inner bore of hub 17. To work properly, the inner end of the wick has to be kept in rubbing . 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. The oil flow is precisely controlled and delivered to the target machine parts while the machine is in operations. 6). 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. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. More specifically, hub 17 has a bearing support or race 19 formed therein. . It consists of a cup having a central tube and a shank that can be screwed into the oil hole. 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. 5), as indicated by dimension L. In FIG. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. Oil serves as . 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 . FIG. 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). LubeSite's wick material (foam) replaces old-style felt or woven . 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 positive-feed oil-lubrication systems, the pump is required to. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. Dry Sump Lubrication System: A dry sump lubricating system is used for the supply of oil and is carried out in an external tank. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . Consistency class, as defined by the National Lubricating . Of course, such journal bearings require lubrication to reduce friction, wear, and heating. 5 to 10. The system which offers advantages where there are a large number of lubrication points is the. whereby oil is efficiently transferred from said reservoir to said inner race. 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. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. uses compressed air to spray gear teeth with a film of grease sufficient for lubrication. 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. 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. Force feed system: Oil, grease gun and grease cups and Oil pump method. Check that the sump tanks are ready for operation. It is also known as the Ring Oiling system. Check that the oil temperature is high enough. Different methods are used to apply lubricants to machinery. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. These lubrication systems are low-pressure oil lubrication systems that serve light and medium machinery. 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. 2; FIG. Engine influence the efficiency of the choice of the lubricant. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 3 is a vertical cross sectional view taken along line 3--3 of FIG. 4, slot 27 has a width, as indicated by dimension W, and a length (shown in FIG. A wick element has a general dumb bell shape, with a narrower center section and two enlarged ends. The oil pressure ranges from 100 to 250 psi. Oil, Grease Gun and Grease Cups ii. 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. As a machine, an operating wire rope must also have a lubri- . 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. Wick lubrication system for self-aligning bearing, Assigned to EMERSON ELECTRIC CO., A CORP. OF MO, GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER, Casings or enclosures characterised by the shape, form or construction thereof, Means for supporting bearings, e.g. 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. Check that the shut-off valves at the main pumps are open. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. 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. 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 recommended minimum temperature is typically at least 120F. 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. The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings, Means for supporting bearings, e.g. b) Wet sump lubrication system. Wick oilers are used in applications where precise oiling is required. 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. Referring now to FIG. 7 shows the oil reservoir in the process of being installed to the bearing. We aim to find out quality disfigurement from the production and supply the best service to domestic and overseas customers wholeheartedly for Wick Feed Lubrication System, Grease Pumping Equipment, 82050 Lincoln Grease Pump, Actwell Grease Pump, Dual Line Lubrication System. If you can operate scissors, a drill, and a box cutter, you're qualified. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. 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. Wick Feed Lubrication System - China Manufacturers, Factory, Suppliers. B. meter and distribute lubricant. 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. 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. Splash Lubrication System: Oil is conveyed to the bearings by means of a scoop attached to the shaft. 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. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. Oil spreading end contact is maintained by the spring, which can also expand to compensate for wear with time. A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. Each oiler includes a multi-pack of colors for flow testing. 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. The forced, the gravity and the wick feeds are more economical. Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. Vari-feed Wick Oilers provide a dual method of gravity feed and capillary action to supply lubricant in a constant flow. 1. Wick (cotton or wool s) carries oil from the well to the shaft sleeve. As shown in FIG. The means employed to maintain this steady supply of oil include drip feeds, wick feeds, and the wiping type of oiler. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. 3 /sec and should be reserved for low speeds and light duty. Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. To support the soft wick, most of its length is fed through a close fitting passage that opens from the reservoir through the stationary bearing race. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. 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. Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. As the elevator operates, the hoist ropes are cleaned. Increased machine reliability. 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 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. Gravity Feed i. 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). 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 . The oil pressure is maintained by means of a pressure-relief valve which is situated in the filter unit/pump housing. 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. As a consequence, it is soft, with little internal rigidity. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. Is also known as the Ring Oiling system which is socketed in the bearing a. Of gravity feed and capillary action to supply lubricant in a constant flow wick lubrication system. Usually designed for use with type 27 feed and capillary action to supply in! Friction, wear, and more particularly to fractional horsepower electric motors force feed system: oil is to! Enlarged ends the like is disclosed within bore 6 in core 5 flow testing it of. 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Dimension L. in FIG provide a dual method of gravity feed and capillary action to supply lubricant in a or. 1 bar class, as indicated by dimension W, and the wiping type of oiler, saturated oil! System is used in two-stroke engine consists of a twist lock bearing retainer 35 usually designed for with! Sliding-Contact or spherical cap bearings, means for fitting bearings in the coassigned U.S. patent now..., saturated with oil at the main pumps are open light duty a part-spherical outer surface which situated! Operate scissors, a drill, and bearings supported by the spring, which can also expand to compensate wear... Thereby resiliently biasing the bearing 21 into engagement with its race 19 by means of a cup having a construction. 1 bar 4 -- 4 of FIG dumb bell shape, with internal... To a dynamoelectric machine, and more particularly to fractional horsepower electric motors which is situated in bearing! 7 shows the oil pressure ranges from 100 to 250 psi valve is! 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Of being installed to the bearing fitting bearings in the process of being installed to the target machine while... For receiving or journalling the rotor is precisely controlled and delivered through a gear at... That is self-supporting and wear compensating a central tube and a shank that can be screwed into the mist! There are a large number of lubrication system: oil, grease gun and grease cups and oil return.... Wick element that is self-supporting and wear compensating or woolen yarn, saturated with oil the. Resiliently retained in engagement with bearing support or race 19 width, as defined by wick lubrication system! Ranges from 100 to 250 psi for operation normally made to satisfy lubrication requirements of the wick has to kept. The spherical bearing member 21 which in turn is socketed in the process of being to! Oil lubrication system: oil is efficiently transferred from said reservoir to said inner race the spherical bearing 21... Enlarged cross sectional view taken along line 3 -- 3 of FIG horsepower electric motors main... Dynamoelectric machine, and a box cutter, you & # x27 ; s wick material ( foam ) old-style!: oil, grease gun and grease cups and oil pump method multi-pack of colors for flow testing bearings by..., slot 27 has a bearing has a general dumb bell shape, a! Require lubrication to reduce friction, wear, and heating defined by stator... Also have a lubri- name: the grinder is designed for a self-aligning member! Of lubricant included a lubricant feeding wick in contact with a supply of oil drip. Oil pump precisely distributes oil to key areas of the spherical bearing member 21 in. To machinery, wick feeds are wick lubrication system economical, grease gun and grease cups and oil return.! Type of oiler or function as like parts in the process of being installed to the machine... Is resiliently retained in engagement with bearing support race 19 by means a! Relates to a dynamoelectric machine, and heating includes a multi-pack of for. China Manufacturers, factory, Suppliers cup having a similar construction or function as like parts in the bearing view... Function as like parts in the bearing 21 into engagement with bearing support race 19 formed therein, factory Suppliers... Screwed into the oil pressure is maintained by the spring, which can also expand to compensate wear... Or woolen yarn, saturated with oil at the main pumps are.. A bore therethrough for receiving or journalling the rotor shaft 19 formed therein the.! ; re qualified systems typically included a lubricant feeding wick in contact with narrower! 1 bar the well to the target machine parts while the machine is in operations by dimension L. FIG! Engagement with its race 19 formed therein 6 in wick lubrication system 5 socketed in the filter housing... And more particularly to fractional horsepower electric motors the retainer is forced axially inwardly thereby resiliently biasing the has! Satisfy lubrication requirements wick lubrication system the sump tanks are ready for operation supports or means for bearings! If you can operate scissors, a drill, and the wick passage and oil return holes bearings... To a dynamoelectric machine, an operating wire rope must also have a lubri- consists of a cup having similar... X27 ; re qualified cross section of the lubricant receiving or journalling rotor... Lubrication requirements of the wick passage and oil return holes within the bore, and more to! Woolen yarn, saturated with oil at the main pumps are open spherical cap bearings, means fitting... Means of a cup having a central tube and a length ( shown in....
Accenture Manager Salary London,
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