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. Furthermore, "sealed for life" also means that the lubricant can't be changed. Bearing manufacturers have issued relubrication charts in many different forms. 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. 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. Oil can be introduced to the bearing in many ways, such as drip-feed, wick-feed, pressurized circulating systems, oil bath or air-oil mist. 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. A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. How do I make a Wick System? More specifically, hub 17 has a bearing support or race 19 formed therein. Shut off the breaker to the pump, too, in order to reduce the chance of electrocution while lubricating the bearings. GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, Free format text: The scoop lifts the oil upward and . 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. 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. This helps administer the right amount and keep the gear oil on the metal gears. 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. 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. 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. Different methods are used to apply lubricants to machinery. 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. 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. Oil serves as . Dual Wick Lubrication System; Lightweight Ergonomic Design; Pinion Piloted on Rotor. The oil is thrown upward as droplets or fine mist and provides adequate lubrication to valve mechanisms, piston pins, cylinder walls, and piston rings. 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. It will be further noted that portion 43 of the lubricating wick extends the full length L of bearing member 21 and thus is in positive lubricant applying relationship with the shaft along the entire length of the shaft received in the bearing. The wick has another portion which extends generally radially outwardly within the slot, this other portion being in lubricant transfer relation with a second lubricating wick for transferring lubricant from the second wick through the first wick to the shaft and for the continuous application of lubricant to the entire length of the shaft journalled within the bearing. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. Force feed system: Oil, grease gun and grease cups and Oil pump method. 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). ASSIGNMENT OF ASSIGNORS INTEREST. This article provides a basic understanding of lubricators and lubrication systems, including the types, considerations for their selection, and common applications and uses. Gravity feed system: Oil holes, Oil cups, and wick feed lubricators. The bottom of hub (14) is also flattened off to allow attachment of a cup shaped reservoir, indicated generally at (26), which has a flat bottom wall (28) spaced from the surface of spindle (10) by a predetermined distance D. Reservoir (26) is filled with a supply of liquid, wickable lubricant, here oil (30), and is removably attached by screws (32). The 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. . 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. Thus, it will be appreciated that only a portion of the shaft received within the bore of the bearing comes into positive lubricant applying engagement with the wick. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. UNSPSC 27131511. Oftentimes, as shown in FIG. In FIG. Each is suited for certain types of applications. 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 it rigidity, and which keeps the enlarged ends spread apart. Felt's highly absorbent properties make it the perfect choice for oil and grease removal from surfaces. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. COMPATIBLE TOOLS: Use the Dynabrade Gear Oil on Dynabrade's geared tools that utilize a wick-type lubrication system. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. 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. 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 . 5. 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. This system allows long intervals between maintenance of bearings and prevents the bearings becomes too much oil. The shaft surface speed in this case is 30 rev/sec 5 in. An oil filled reservoir is removably attached to the underside of the stationary outer race. 6-29), oil is splashed up from the oil pan or oil trays in the lower part of the crankcase. Turbine lubricants must have excellent thermal and oxidation resistance at bearing oil temperatures that may approach 100 o C in typical steam turbine or industrial heavy-duty gas turbine and exceed 200 o C in aero-derivative gas turbines. Wicks are color coded to coordinate wick speeds with application need. 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. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. As shown in FIG. Oil and bearings. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. Referring next to FIGS. 276. 5. 6 is an exploded view of the oil reservoir and wick element-spring subassembly; FIG. 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'. Frequent lubrication helps prevent premature gear failure and helps . Typically, a fractional horsepower motor includes a stator having a core with a longitudinal bore therethrough. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. 6). No. Unist is a world leader. Wick Oilers: Wick Oilers use a wick made of loose-textured, long-fiber wool to supply oil to the bearing via capillary action. It consists of a glass body fitted with central pipe attached in the bottom portion of the glass body. 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 . 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. 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. No. To work properly, the inner end of the wick has to be kept in rubbing contact with the rotating bearing race, or some other structure near the balls, in order to transfer oil to the balls, and the outer end has to rest in the reservoir oil. 7-66. 3. An automatic system also protects your employees by eliminating the need for manually applying lubricant while in operation. Turn off the circulating pump. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . As the elevator operates, the hoist ropes are cleaned. 5 that the inner edge of upper portion 43 of lubricating wick 41 extends radially inwardly from slot 27 beyond bore 23 so as to positively engage shaft 13 received in the bore. 6 is a side elevational view of the lubricant applying wick; and. By the 1950s, synthetic lubricants were developed for aviation and aerospace applications, as well as multi-grade oils for vehicles. 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. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; FIG. Any wick wear is taken up by the spring, which provides self-adjustment as well as support, unhindered by contact with the wick passage. The wick has another portion which extends generally radially outwardly within the slot, this other portion being in lubricant transfer relation with a second lubricating wick for transferring lubricant from the second wick through the first wick to the shaft and for the continuous application of lubricant to the entire length of the shaft journalled within the bearing. These lubrication systems are low-pressure oil lubrication systems that serve light and medium machinery. These and other objects and features of the invention will appear from the following written description, and from the drawings, in which: FIG. 4. Grease lubrication system. 2. 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 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. LubeSite's wick material (foam) replaces old-style felt or woven . a) Mist lubrication system. 4.5.9 pertains to rolling element bearings at a particular operating temperature. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. As reservoir (26) is moved into position, the subassembly (44) moves through wick passage (22) freely, because the center section (38) is narrower. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. The choice of oil lubricant for recirculating linear bearings is based primarily on viscosity. 3. 7 is a view similar to FIG. 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. PATENTED CASE. 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. The wick is a soft, oil absorbent material capable of capillary action. 4, slot 27 has a width, as indicated by dimension W, and a length (shown in FIG. suspension (16). reservoir attached beneath said outer race and having a bottom wall spaced from said outer race and having a bottom wall spaced from said outer race. In FIG. Wick lubrication scheme for high speed shaftsWick lubrication scheme for high speed shafts.. 2. . The main supply of oil in this system is located in the base of the crank chamber. Safety-lock throttle lever prevents . Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. 2 is a sectional view taken along the line 2--2 of FIG. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. 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. Owner name: done. Lubricants reduce the friction between sliding or rolling machine elements . Check the pressure level in a lubrication system: Step 1. 3. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. Circulating systems keep bearings lubricated at all times. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. 7 shows the oil reservoir in the process of being installed to the bearing. Referring now to the drawings and particularly to FIG. Which type of lubrication system is used in two-stroke engine? 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. 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 hoping that a slow but steady oil drip will save my bearings from any more damag. These lubrication systems can dispense lubricants to 100 points of lubrication. 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. If you can operate scissors, a drill, and a box cutter, you're qualified. As a machine, an operating wire rope must also have a lubri- . 2 is a left end view of the electric motor shown in FIG. As shown in FIG. 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. 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. This ensures that oil (30) wicked up from reservoir (26) will be efficiently, continually spread onto the surface of spindle (10) by the inner end (40). 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. FIG. Leather Sewing Machines . The working of this lubricator is based on the siphon principle. Oil Mist Lubrication Working Principle. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. UNSPSC 27131511. A wick element has a general dumb bell shape, with a narrower center section and two enlarged ends. 4,219,245. Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. As shown in FIG. b) wick feed lubricator system. Lubrication Systems. As best shown in FIG. A wick feed oil lubrication system in a bearing has a special wick element which is self-supporting and wear compensating. Turbine lubricants must control the rust and corrosion that . In this system, the greasing pumps provide a proper amount of grease to the lubrication points. The oil flow is precisely controlled and delivered to the target machine parts while the machine is in operations. 5. 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 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. In such systems, oil acts both as lubricant and also as coolant by earning away heat generated in the bearings/moving parts. It is a more technically advanced and usually more costly method, but it results in longer life for a compressor. 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