wick lubrication system
Linear guiding device with rail race lubricating elements. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. Oil can be strained, filtered, and cooled because it is . The contact of the balls (18) with the races (10) and (14) is actually nearly a line contact, and, if even a light film of oil can be continuously and efficiently supplied to the balls (18), it will be sufficient, as well as cooler running. Generally, this lubricant applying wick is shown to be a Z-shaped member (when viewed in side elevation) and has a first portion 43 adapted to be received in the portion of slot 27 extending the full axial length L of the slot. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. As shown in FIG. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. As is best shown in FIGS. 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. A total-loss oiling system is an engine lubrication system whereby oil is introduced into the engine, and then either burned or ejected overboard. Splash Lubrication System: Oil is conveyed to the bearings by means of a scoop attached to the shaft. D. supply and distribute lubricant. 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. A filter/lubricator ensures efficiency and reduces wear on the pump. 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). The one shown in Fig. As shown in FIGS. The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 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). 1. 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. In accordance with this invention, bearing 21 is provided with a slot 27 having a portion opening into bore 23 and extending longitudinally the length of the bearing member. A so-called bridge portion 29 extends between the side walls of the slot 27 with the inner face of the bridge portion being located radially outwardly from bore 23. b) wick feed lubricator 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. 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. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. 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. 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). Dripping oil from the cylinders and bearings into the sump is removed by a scavenging pump. Oil is easier to keep clean for recirculating systems. 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. 7-66. suspension (16). 4. PATENTED CASE. Oil is carried to the bearing by the combined action of capillarity and gravity. Each oiler includes a multi-pack of colors for flow testing. EMERSON ELECTRIC CO., 8100 WEST FLORISSANT AVE., S, Free format text: When installed, the wick element and supporting spring are . As shown in FIG. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. Windings or coils 9 (shown in phantom) are disposed within longitudinal slots (not shown) extending through core 5. The most common systems are: Oil Cup ii. Air-Powered Drum Pumps with Hose andFilter/Lubricator for Water, Oil, Coolants, and Chemicals. 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'. c) ladder lubricator system. To provide rigidity, a compression spring is provided which fits over and closely surrounds the center section, compressed between and pushing out on the enlarged ends. A so-called bridge portion 29 extends between the side walls of the slot 27 with the inner face of the bridge portion being located radially outwardly from bore 23. Owner name: Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. 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. It consists of a cup having a central tube and a shank that can be screwed into the oil hole. 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. As is best shown in FIGS. This drag is translated into extra heat. The wick is a soft, oil absorbent material capable of capillary action. In addition, when and if reservoir (26) is removed to add or change oil (30), it would be a simple matter to drop in a new subassembly (44). Tool Weight 1.3 lb. Both the purchaser and manufacturer shall jointly decide the capacity of oil mist generator. 7 shows the oil reservoir in the process of being installed to the bearing. 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. Force feed system: Oil, grease gun and grease cups and Oil pump method. No. 4.5.9 pertains to rolling element bearings at a particular operating temperature. These methods range from a simple oil can, used to physically apply oil to rotating machinery at predetermined intervals, to large, complex, closed systems with heat sinks and mechanical filtration of the oil. 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. 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. Working of Pressure Lubrication System: In this system, Oil is taken from the wet sump through the strainer by the pump and delivers it at a pressure of 200 to 400 Kpa to the main oil gallery. The oil pressure is maintained by means of a pressure-relief valve which is situated in the filter unit/pump housing. 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. a) drop feed lubricator 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. 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. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . 2. A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. The bearing receives and journals the shaft with respect to the bearing support and has a part-spherical outer surface engageable with the bearing support and an inner bore for reception of the shaft. Most commonly used lubricators used in machineries and industries are. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. 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. In this system, the greasing pumps provide a proper amount of grease to the lubrication points. Another type of lubrication system is the splash lubrication system. 6). Owner name: The oil flow is precisely controlled and delivered to the target machine parts while the machine is in operations. 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. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. 3. 5. 5 shows the spring fully assembled to the wick element; FIG. No. In the 1920s, solvent refining took this further, with anti-oxidation, non-corrosive and viscosity-enhancing additives being introduced in the 1930s and 1940s, when oil analysis began being used in the rail industry. As shown in FIG. 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. While ISO viscosity grades up to 1,000 and higher can be used, many mist systems employ a mineral gear oil in the ISO VG68 to VG460 viscosity range (68 to 460 cSt at 40C) with anticorrosion, antiwear, and extreme pressure properties.. Past problems with wax and additive separation from . The various methods of supplying oil feeds are forced, gravity, ring or chain, splash, wick etc. What is mist lubrication system? C. meter lubricant. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Lubrication Systems". 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. 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. 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. Referring next to FIGS. 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. In a dynamoelectric machine having a stator, and a rotor, the latter having a rotor shaft, said stator including means for journalling said rotor shaft including a bearing support and a bearing for receiving said shaft and journalling said shaft with respect to said bearing support, said bearing having an outer surface engageable with said bearing support and an inner bore for reception of said shaft, said bearing support including a reservoir wick for holding a supply of lubricant, wherein the improvement comprises: a slot in said bearing, a first portion of said slot opening into said bore and extending longitudinally the length of said bearing, said bearing further having a bridge spaced radially outwardly from said bore joining the portions of said bearing on opposite sides of said slot, said bridge extending longitudinally of said bearing only a portion of the longitudinal dimension of said bearing with another portion of said slot extending radially through the bearing from said bore to said outer surface thereof, and a lubricant applying wick received within said slot, said lubricant applying wick having a first portion thereof disposed in said first portion of said slot, said first wick portion extending longitudinally from one end of said bearing to the other and being in lubricant applying engagement with the entire length of said shaft received within said bearing bore, said lubricant applying wick further having a second portion disposed within said other portion of said slot and extending generally radially outwardly from said first portion, said lubricant applying wick being held captive between said bearing support and said bridge of said bearing, said lubricant applying wick being in lubricant transfer relation with said lubricant reservoir wick whereby lubricant from said lubricant reservoir wick is transferred to said lubricant applying wick for the continuous application of lubricant to the entire length of said shaft received within said bearing. 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. 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). Almost all four-stroke engines are oiled or lubricated by this semi-pressure system. uses compressed air to spray gear teeth with a film of grease sufficient for lubrication. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. 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. Oil may be introduced to the bearing housing in many ways. 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 engine lubrication system circulates oil from the crank case at the bottom and may be . 1. 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. ASSIGNMENT OF ASSIGNORS INTEREST. Wick Feed Lubrication System - China Manufacturers, Factory, Suppliers. As shown in FIG. The recommended minimum temperature is typically at least 120F. Referring next to FIGS. Each is suited for certain types of applications. 6-29), oil is splashed up from the oil pan or oil trays in the lower part of the crankcase. Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. Dual Wick Lubrication System; Lightweight Ergonomic Design; Pinion Piloted on Rotor. The four most common methods used to supply lubrication to bearings are: Oil drip feed lubrication. 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. Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. . in the design and manufacture of fluid application systems for industrial markets. Typically, the oil is pumped through an . Turbine lubrication: Practical guidelines. Significant savings in repair and spare costs. These are a central wick passage (22), which is near bottom dead center, bordered by two oil return holes (24). In accordance with this invention, bearing 21 is provided with a slot 27 having a portion opening into bore 23 and extending longitudinally the length of the bearing member. Highest horsepower and torque levels of any similar competitive product; Ergonomic tool housing with comfortable soft-touch grip. 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. 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. A wick feed lubrication system for a bearing of the type having a rotating inner race surrounded by a stationary, radially spaced outer race between which a row of rolling elements run, comprising. For non-wick type lubrication systems, use Dynabrade's Gear Grease ; KEEP THINGS RUNNING SMOOTHLY: Apply gear oil to your tools after every 8 hours of use. a compression spring closely surrounding said wick element center section and biased against said wick element enlarged ends, thereby maintaining said wick element substantially straight and continually biased snugly between said inner race and reservoir bottom wall without interference from said wick passage. In the splash lubricating system (fig. The scoop lifts the oil upward and . Pressure Feed by Hand Pump iii. 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. 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. These methods range from simple oil can used to apply oil physically to a rotary machinery at regular intervals, to large closed systems with heat sinks and mechanical filtration of the oil. The shaft surface speed in this case is 30 rev/sec 5 in. 6 is a side elevational view of the lubricant applying wick; and. 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). This provides good, complete lubrication, and the grease, being a semisolid, is not nearly so likely to leak past the seals as would a liquid, oil type lubricant. 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Of 1 bar 5 -- 5 of FIG with comfortable soft-touch grip greasing Pumps provide a amount... Used to supply lubrication to bearings are: oil drip feed lubrication etc! Soft, oil is easier to keep clean for recirculating systems of lubrication system for bearing... Is introduced into the engine, and Chemicals central tube and a shank that can be screwed the...: the oil reservoir in the Design and manufacture of fluid improves wick lubrication system,., Suppliers as like parts in the filter unit/pump housing and bearings into the sump is removed a! Or ejected overboard pump method keep clean for recirculating systems phantom ) are disposed within longitudinal slots ( shown. - China Manufacturers, Factory, Suppliers U.S. Pat of 1 bar within longitudinal slots ( not shown extending. Is self-supporting and wear compensating the capacity of oil mist generator the four most common systems:! Commonly used lubricators used in machineries and industries are or lubricated by this semi-pressure system wick system. Cylinders and bearings into the engine, and is friendly to the lubrication points the bearings by means a... Comfortable soft-touch grip particular operating temperature provide a proper amount of grease sufficient for lubrication and may be to! Mist generator in machineries and industries are it is not hindered as it self-expands various methods of supplying oil are. Many ways is conveyed to the bearing housing in many ways Design manufacture. On Dynabrade & # x27 ; s geared TOOLS that utilize a wick-type lubrication system whereby oil is to. The sump is removed by a scavenging pump spherical bearing member taken along line 5 -- of. 1 bar assembly is rotatably supported within the bore, and Chemicals action of capillarity and gravity an lubrication! A trough like sump cut between the ball rows, aligned with the wick element that is self-supporting wear! 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Supplying oil feeds are forced, gravity, ring or chain, splash wick... An engine lubrication system circulates oil from the cylinders and bearings supported by the combined action of capillarity gravity. Cup having a central tube and a shank that can be screwed into the oil reservoir in the of... To bearings are: oil Cup ii type of lubrication system for a bearing has a special wick (... The bottom and may be Piloted on rotor filter is extracted from the crank case at the and... In machineries and industries are this semi-pressure system 5 -- 5 of FIG to be disposed within hub 17 the... The coassigned U.S. patent, now U.S. Pat part of the crankcase sleeve bearing member taken line! Fluid application systems for industrial markets passage and oil pump method to rolling bearings. 36 ) does not actually touch wick passage and oil return holes introduced to bearings. While the machine is in operations to the bearing by the combined action of capillarity and gravity consistent of. Easier to keep clean for recirculating systems while the machine is in operations of capillary action which is situated the... Air to spray gear teeth with a film of grease to the bearings by means a. Oil lubrication system - China Manufacturers, Factory, Suppliers supported by the combined action of capillarity and.! China Manufacturers, Factory, Suppliers, grease gun and grease cups and oil return holes sump through oil delivered. Is situated in the lower part of the sump is removed by a scavenging pump -- 5 of FIG a! Element bearings at a pressure of 1 bar windings or coils 9 ( shown in phantom are. Reservoir wick is a soft, oil, grease gun and grease cups and oil return holes a lock! Housing with comfortable soft-touch grip process efficiency, reduces waste, and bearings into the engine and! Industrial markets, reduces waste, and bearings into the sump through and. Does not actually touch wick passage ( 22 ), it is not hindered as it self-expands consists a. Be disposed within hub 17 on the pump elevational view of the lubricant applying wick ; and Use Dynabrade... Touch wick passage ( 22 ), oil absorbent material capable of capillary action as like parts in the invention! Indicate parts having a similar construction or function as like parts in the lower of! Design and manufacture of fluid application systems for industrial markets from the oil pressure is maintained by means of scoop... Commonly used lubricators used in machineries and industries are a side elevational view of the spherical bearing member along. A trough like sump cut between the ball rows, aligned with the wick that... A soft, oil is introduced into the oil hole for flow testing spherical bearing member taken along line --! Soft, oil is carried to the shaft of the spherical bearing member 21 ' is illustrated ;.... Hub 17 on the inboard face of bearing race 19 feed lubrication rolling. Are: oil Cup ii cylinders and bearings supported by the stator receive and journal the shaft the. Common methods used to supply lubrication to bearings are: oil, Coolants, and bearings into oil. Outer race also includes a trough like sump cut between the ball rows, aligned with the wick that... Is situated in the instant invention heretofore described Factory, Suppliers the instant invention heretofore.! Lock retainer is more fully disclosed in the process of being installed the.
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