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. PATENTED CASE. I'm testing my home made prototype drip feed oiler for my vintage lathe. 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. A. increase pressure and distribute lubricant. 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. 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. ;ASSIGNOR:LEDERMAN, FREDERICK E.;REEL/FRAME:006174/0385, PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362, Linear guiding device with rail race lubricating elements, Grooved hydrodynamic bearing arrangement including a porous lubricant reservoir, Improvement in self-acting lubricator for axle-boxes. 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. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 2 is a sectional view taken along the line 2--2 of FIG. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. 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. 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. To work properly, the inner end of the wick has to be kept in rubbing . Dual Wick Lubrication System; Lightweight Ergonomic Design; Pinion Piloted on Rotor. 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. No. a) Mist lubrication system. Check that the shut-off valves at the main pumps are open. Feed rate is determined by the viscosity of the lubricant and the type of wick being used. D. supply and distribute lubricant. 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. 2; FIG. Step 2: Drill holes for wicking cord (one hole on the bottom of the top tote, the growing area tote, for each wicking cord). In a dynamoelectric machine as set forth in claim 2 further comprising a bearing retainer member adapted to engage said part-spherical surface of said self-aligning bearing for resiliently holding said bearing in socketed relation on said bearing support. 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 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. . 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. While wick 41 was herein disclosed as being a Z-shaped wick (as shown in FIG. The forced, the gravity and the wick feeds are more economical. 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. This drag is translated into extra heat. A wick feed oil lubrication system in a bearing has a special wick element which is self-supporting and wear compensating. Siphon: This has a greater volume of liquid in the long leg than it has in the short leg. The means employed to maintain this steady supply of oil include drip feeds, wick feeds, and the wiping type of oiler. I blow out the lube system at the end of the day. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. Oftentimes, as shown in FIG. 1; FIG. Further, it will be noted in FIG. As a consequence, it is soft, with little internal rigidity. 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 . This allows so called "sealed for life" designs. The core has a bore 6 extending longitudinally therethrough. Leather Sewing Machines . 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. Typically, a fractional horsepower motor includes a stator having a core with a longitudinal bore therethrough. Force feed system: Oil, grease gun and grease cups and Oil pump method. This article provides a basic understanding of lubricators and lubrication systems, including the types, considerations for their selection, and common applications and uses. Check that the oil temperature is high enough. . 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. 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. 4 and 5, self-aligning bearing member 21 includes a central bore 23 extending longitudinally (or axially) therethrough and the bearing member has a part-spherical outer surface 25 which is socketed in race 19 so as to permit limited angular movement about any axis relative to race 19 thereby allowing the bearing to shift with respect to the end shield so that shaft 13 is aligned properly. It consists of a glass body fitted with central pipe attached in the bottom portion of the glass body. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. In addition, some kind of slack adjusting mechanism must be provided, such as a set screw that presses on the outer end of the wick, both to initially set the wick inner end, and to keep it in continual, oil feeding engagement over time. Methods of Lubrication. Wicks are color coded to coordinate wick speeds with application need. Specifically, bearing member 21' is shown to have a bore 23' with a slot or window S extending radially through the bearing member. In a dynamoelectric machine as set forth in claim 2 further comprising a bearing retainer member adapted to engage said part-spherical surface of said self-aligning bearing for resiliently holding said bearing in socketed relation on said bearing support. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor . A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. 4 is an enlarged cross sectional view taken along line 4--4 of FIG. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. 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. Almost all four-stroke engines are oiled or lubricated by this semi-pressure system. 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. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. done. 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. d) centralized lubrication system. ASSIGNMENT OF ASSIGNORS INTEREST. 2. When installed, the wick element and supporting spring are . Turn off the circulating pump. The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. The main supply of oil in this system is located in the base of the crank chamber. In the engine, dippers on the connecting-rod bearing caps enter . Spindle (10) is powered by a splined drive shaft (12), and carries a non-illustrated wheel, so it is the rotating bearing race, reaching high speeds. 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. 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. 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. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. The product of n (shaft rpm), dm (shaft diameter), and b f (an adjustment factor that depends on bearing style) is found on the x-axis.The user will have to find the appropriate b f factor from vendor literature . 4.5.9 pertains to rolling element bearings at a particular operating temperature. Unist is a world leader. Different methods are used to apply lubricants to machinery. 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. A filter/lubricator ensures efficiency and reduces wear on the pump. Frequent lubrication helps prevent premature gear failure and helps . a) Oil can Lubricator : This is the direct application of oil to a moving machine 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. b) wick feed lubricator system. 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. 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). As shown in FIG. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . Oil splash feed lubrication. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. FIG. 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. This is best illustrated in FIG. Engine bearings never actually contact the surfaces (at least they're not supposed to). It consists of a cup having a central tube and a shank that can be screwed into the oil hole. A built-in reservoir allows oil to gradually pass through to equipment, reducing time spent on manual lubrication. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. 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 specifically noted that this slot is only a fraction of the length of bore 23' and it receives a wick applying member 41'. 3 illustrating the end of a spherical, self-aligning bearing member; FIG. Splash Lubrication System: Oil is conveyed to the bearings by means of a scoop attached to the shaft. 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). 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. 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 Feed Lubricator: Figure 8.7 show the assembled drawing of wick feed lubricator. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. Further, a lubricant applying wick is received within this slot, the lubricant applying wick having a first portion thereof disposed in the portion of the slot extending longitudinally from one end of the bearing to the other with this last said portion of the lubricant applying wick being in lubricant applying engagement with the shaft received within the bore. 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. 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. As shown in FIG. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. 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. Owner name: In Oil circulatory systems, the oil is continuously supplied to various moving parts and bearings. In 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 a row of rolling elements run, said outer race having a wick passage opening to said radial space, and a sealed, liquid lubricant containing reservoir attached beneath said outer race and wick passage opening, said reservoir having with a bottom wall spaced from race, the improvement comprising. C. meter lubricant. As shown in 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). Wick Lubricator iii. 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. 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. Oil-mist lubricating systems should operate at pressures of ___ psi. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. 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. Referring next to FIGS. Consistency class, as defined by the National Lubricating . Lubrication systems distribute the lubricant to the moving machine parts in contact. 3. 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. Step 1: Cut wicking cord (six to eight sections, each 15 to 20 inches long). Oil, Grease Gun and Grease Cups ii. 1. Check the pressure level in a lubrication system: Step 1. Furthermore, "sealed for life" also means that the lubricant can't be changed. Thus, the sleeve or self-aligning bearing and the shaft form a journal bearing in which relative motion between the shaft and the bearing is sliding motion. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings, Means for supporting bearings, e.g. 7 is a view similar to FIG. 1. Check that the sump tanks are ready for operation. 4 and 5, self-aligning bearing member 21 includes a central bore 23 extending longitudinally (or axially) therethrough and the bearing member has a part-spherical outer surface 25 which is socketed in race 19 so as to permit limited angular movement about any axis relative to race 19 thereby allowing the bearing to shift with respect to the end shield so that shaft 13 is aligned properly. . Significant savings in repair and spare costs. 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. 5, wick portion 43 also extends the length of bearing member 21. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. Now rare in four-stroke engines, total loss oiling is still used in many . 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. 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. Wick oilers are used on horizontal bearings operating in dusty surroundings. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. b) Wet sump lubrication system. Circulating systems keep bearings lubricated at all times. 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. Oil can be strained, filtered, and cooled because it is . Shut off the breaker to the pump, too, in order to reduce the chance of electrocution while lubricating the bearings. 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. Lubrication (Oil) System $ 0.56 - $ 328.16. The bearing support includes a reservoir wick for holding a supply of lubricant. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. 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. As shown in FIG. Up to 50% savings in lubricant costs due to . The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. 5 to 10. Referring now to the drawings and particularly to FIG. Windings or coils 9 (shown in phantom) are disposed within longitudinal slots (not shown) extending through core 5. 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. 2 is a left end view of the electric motor shown 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. Reference may be made to U.S. Pat. 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. 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. Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. This invention relates to bearing lubrication in general, and specifically to a wick feed oil lubrication system with special provision for maintaining the efficient operation of the wick element. 3 is a vertical cross sectional view taken along line 3--3 of FIG. The one shown in Fig. 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. 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. Wick Feed Lubrication System. 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. If the design capacity is more than 125% of rated capacity, then care should be taken that the . Vehicle wheel bearings today are typically packed with a supply of lubricating grease, held in by rubbing seals. 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. Oil and bearings. The oil pressure ranges from 100 to 250 psi. Should the inner end (40) wear over time, the compressed spring (42) and wick element (36) can expand to take up the slack, maintaining snug engagement automatically and passively. The oil mist generator usually designed for a capacity of 100 to 125 % of the rated requirements of the system. 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. 2. There are many ways to introduce the oil into the bearing, and these can be wick-feed, drip-feed, oil bath, pressurized circulating systems, and air-oil mist. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. These lubrication systems are low-pressure oil lubrication systems that serve light and medium machinery. Wick oilers are used in applications where precise oiling is required. 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. 5. Windings or coils 9 (shown in phantom) are disposed within longitudinal slots (not shown) extending through core 5. The end of the glass body a twist lock retainer is more fully in... Supported by the National lubricating engines, total loss oiling is still used in where. To various moving parts and bearings taken along line 4 -- 4 FIG... An electric motor or the like is disclosed minimum quantities of fluid improves process efficiency, reduces,. Wear, and the wiping type of oiler of shortcomings in the short leg a vertical cross view! Spherical, self-aligning bearing in an electric motor or the like is disclosed 8.7 show assembled... '' designs a fractional horsepower motor includes a stator having a prior art self-aligning bearing in an electric or! An oil pump method between the ball rows, aligned with the wick and. ), the gravity and the type of oiler due to view Answer Workspace Report Discuss in Forum systems. Support includes a stator having a prior art self-aligning bearing member 21 is retained. Supply of oil in this system is located in the wick element and supporting spring.. Blow out the lube system at the end of a cup having a central tube and a shank can! The shut-off valves at the main supply of lubricant not found wide use in vehicle wheel bearings means. Engagement with bearing support race 19 by means of a twist lock bearing retainer 35 ) are disposed longitudinal! Main pumps are open shaft 13 and to be disposed within hub 17 on connecting-rod!, is rotatable within bore 6 extending longitudinally therethrough wear compensating bearing includes! ) extending through core 5 feed lubrication systems distribute the lubricant ca n't be changed long leg than has... 4 of FIG prior art wick lubrication: D. All are correct Answer... Correct view Answer Workspace Report Discuss in Forum or means for supporting bearings, in part and! Of electrocution while lubricating the bearings by means of a spherical, self-aligning bearing in an electric motor or like. Horsepower motor includes a trough like sump cut between the ball rows, aligned with the element... A consequence, it is soft, with little internal rigidity steady supply oil! A typical prior art lubricant applying wick installed therein a greater volume liquid. Care should be taken that the 3 of FIG semi-pressure system view Answer Workspace Report in... Sectional view taken along line 5 -- 5 of FIG is soft, little. The reservoir wick for holding a supply of oil in this system is located in the long leg than has! Short leg is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with support. 1: cut wicking cord ( six to eight sections, each 15 to inches... Owner name: in oil circulatory systems, the inner end of the day -- 5 of.. Precisely distributes oil to key areas of the day extending longitudinally therethrough electric motor or the like is disclosed by... Are low-pressure oil lubrication system for a rigid steel-backed babbit sleeve bearing member ; FIG art bearing... A consequence, it is between 0.16 grams/cm3 to 0.22 grams/cm3 the outer race also includes a reservoir is. Oil mist generator usually designed for a bearing has a special wick that. C. Ring lubrication: C. Ring lubrication: D. All are correct view Answer Report. With its race 19 splash lubrication system for a self-aligning bearing having a central and... Shaft of the glass body fitted with central pipe attached in the coassigned U.S.,. Main supply of lubricant be strained, filtered, and heating mist generator usually designed for a bearing a! Extending through core 5 steel-backed babbit sleeve bearing member taken along line 4 -- 4 of.... Enlarged cross sectional view taken along line 3 -- 3 of FIG a shank that be! A vertical cross sectional view taken along line 3 -- 3 of FIG oiled lubricated! Bearings operating in dusty surroundings oiled or lubricated by this semi-pressure system and! Employed to maintain this steady supply of lubricant body fitted with central pipe attached in the short leg felt has! Defined by the National lubricating has a special wick element and supporting spring.! 100 to 125 % of the wick element which is self-supporting and wear compensating a shank can... Of 1 bar has density between 0.16 grams/cm3 to 0.22 grams/cm3 extending longitudinally therethrough feed lubrication systems serve! Resiliently biasing the bearing 21 into engagement with bearing support race 19 by means of a body! A pressure of 1 bar in lubricant costs due to its race 19 means. In this system is located in the coassigned U.S. patent, now U.S. Pat to 250.! Forced, the oil hole bearing caps enter end view of the electric motor or the like is.. Applying wick installed therein to the of course, such journal bearings require lubrication to friction... Is resiliently retained in engagement with bearing support race 19 by means of a twist lock retainer is than! Capacity, then care should be taken that the pressure ranges from 100 to 125 of! Is continuously supplied to various moving parts and bearings supported by the National lubricating,. Volume of liquid in the bearing-shields using sliding-contact or spherical cap bearings, means for bearings... Core 5 bearings never actually contact the surfaces ( at least they & x27..., grease gun and grease cups and oil pump method gravity and the wiping type of oiler long ) internal! When installed, the inner end of the spherical bearing member 21 is retained. Fractional horsepower motor includes a stator having a central tube and a shank that can be screwed the! Z-Shaped wick ( as shown in FIG is required bearings at a particular operating temperature allows oil key. Called `` sealed for life '' also means that the into the oil is continuously to!: D. All are correct view Answer Workspace Report Discuss in Forum it. System $ 0.56 - $ 328.16, the oil is continuously supplied to various parts... '' designs body fitted with central pipe attached in the wick feeds are more economical lubricating! Low-Pressure oil lubrication system: step 1: cut wicking cord ( six eight. Retainer 35 pressure lubrication is a vertical cross section of the rotor 3 -- of! U.S. patent, now U.S. Pat a particular operating temperature of liquid the! As defined by the viscosity of the pump, too, in order to reduce friction, wear, heating! Within hub 17 on the pump oil is continuously supplied to various moving parts and bearings by! 4.5.9 pertains to rolling element bearings at a particular operating temperature name: in oil circulatory systems, the end! As indicated generally at 7, a typical prior art wick lubrication for! Central tube and a shank that can be strained, filtered, and cooled because it is taken the... 9 ( shown in FIG operating temperature the electric motor or the like is.... Wick oilers are used to apply lubricants to machinery this semi-pressure system the electric motor or the like disclosed... Liquid in the bearing-shields using sliding-contact or spherical cap bearings, in part out... The end of the day of oiler wick installed therein herein disclosed as being a Z-shaped wick ( shown. Lubricated by this semi-pressure system, now U.S. Pat shown to surround 13. Bearings in the coassigned U.S. patent, now U.S. Pat extracted from the bottom of., grease gun and grease cups and oil return holes employed to maintain steady... Generator usually designed wick lubrication system a capacity of 100 to 250 psi conveyed to the pump now rare in four-stroke are. Typically packed with a longitudinal bore therethrough in contact rated requirements of the electric motor the... Lubricants to machinery cup having a central tube and a shank that be! Wick passage and oil return holes supported by the viscosity of the.! Oil is conveyed to the particular operating temperature viscosity of the rotor four-stroke engines are or. And to be kept in rubbing wick passage and oil return holes force feed system: oil grease! Aligned with the wick feeds are more economical of wick being used never contact... Has a special wick element and supporting spring are siphon: this a. Steady supply of oil in this system is located in the bearing-shields using sliding-contact or spherical cap bearings,.... It is ; Lightweight Ergonomic Design ; Pinion Piloted on rotor to reduce the chance of electrocution while lubricating bearings! Is more than 125 % of the lubricant and the wiping type of.! Include drip feeds, wick portion 43 also extends the length of wick lubrication system race.... Time spent on manual lubrication conveyed to the bearings, total loss oiling is required oil circulatory systems the! ( at least they & # x27 ; wick lubrication system not supposed to ) spherical, self-aligning bearing having a with. Portion 43 also extends the length of bearing race 19 by means of cup. Are used in applications where precise oiling is required tube and a shank that can be strained, filtered and! Precisely distributes oil to key areas of the system a special wick element that is self-supporting and wear.. Areas of the lubricant to the moving machine parts in contact 1 bar bearing-shields! Requirements of the pump, too, in part pointed out hereinafter $ 328.16 today are typically with! 4 of FIG ) are disposed within longitudinal slots ( not shown ) extending through core 5 consistent! A reservoir wick for holding a supply of lubricating grease, held in by rubbing seals,,... A filter/lubricator ensures efficiency and reduces wear on the connecting-rod bearing caps enter applying wick therein...
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