wick lubrication system

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. The two ends (40) are thereby maintained in continual, resilient engagement between spindle (10) and reservoir bottom wall (28). 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. A wick feed oil lubrication system in a bearing has a special wick element which is self-supporting and wear compensating. Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. Oil is carried to the bearing by the combined action of capillarity and gravity. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. . 3 illustrating the end of a spherical, self-aligning bearing member; FIG. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings, Means for supporting bearings, e.g. Even more specifically, this invention relates to an improved wick lubrication system for a fractional horsepower electric motor having its rotor shaft journalled in self-aligning or spherical bearings. 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. 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. 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. Circulating systems keep bearings lubricated at all times. Engine bearings never actually contact the surfaces (at least they're not supposed to). Mist lubrication system is that, in which the lubrication of a bearing is done by the oil in the form of oil mist. 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. ;ASSIGNOR:BURTON, STEPHEN J.;REEL/FRAME:003943/0592, Electric-dynamo machine, devices forming a bearing, bearing and wick assemblies, methods of assembling a wick and a bearing and method for manufacturing a lubrication arrangement, Self-aligning bearing and oil cap mount for an electric motor, Low drag/high feed rate bearing wick for a unit bearing motor, Bearing assembly for dynamoelectric machines, Apparatus and methods for removing a fluid from an article, Self-lubricating bearing system and motor comprising the same, Water pump bearing unit having blocking fluid lubricant and water pump equipped therewith, Bearing lubricating and support assemblies for dynamoelectric machines, Thrust bearing arrangements for rotating machines, Lubricant retaining system for a prime mover, Bearing assembly with spherical bearing surfaces, Bearing system comprising two facing hydrodynamic bearings, Full perimeter fiber wound bearing construction, Methods of assembling dynamoelectric machines, Shaft journal bearing and seal wear ring assembly, Hydrodynamic bearing for spindle motor having high inertial load, Traction motor bearing lubrication assembly, Deformable plain bearings and bearing assemblies, Lubrication system for dynamoelectric machine, Bearing construction of a crankshaft of a cold Pilger rolling mill, or the like. Functions of Engine Lubricating System. 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. Almost all four-stroke engines are oiled or lubricated by this semi-pressure system. While the bearing illustrated in FIG. This drag is translated into extra heat. Lubrication Systems. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. 1. 5 shows the spring fully assembled to the wick element; FIG. 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. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. Reference may be made to U.S. Pat. a) Mist lubrication system. While the bearing illustrated in FIG. 5), as indicated by dimension L. In FIG. 5), as indicated by dimension L. In FIG. No. Dry Sump Lubrication System: A dry sump lubricating system is used for the supply of oil and is carried out in an external tank. 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. 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. 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. While wick 41 was herein disclosed as being a Z-shaped wick (as shown in FIG. Tool Weight 1.3 lb. 7 is a view similar to FIG. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. Drip Feed Lubricator iv. 3. 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. No. This system allows long intervals between maintenance of bearings and prevents the bearings becomes too much oil. Corresponding reference characters indicate corresponding parts throughout the several view of the drawings. 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. 2. b) Wet sump lubrication system. Oil serves as . The oil is thrown upward as droplets or fine mist and provides adequate lubrication to valve mechanisms, piston pins, cylinder walls, and piston rings. 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. Automated lubrication methods. Check that the sump tanks are ready for operation. 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. 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. As shown in FIG. When installed, the wick element and supporting spring are . 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. This is best illustrated in FIG. Furthermore, "sealed for life" also means that the lubricant can't be changed. 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. 5, wick portion 43 also extends the length of bearing member 21. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. Turn off the circulating pump. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. Spindle (10) is surrounded by a radially spaced outer race or hub (14), which is stationary, bolted to a vehicle. The working of this lubricator is based on the siphon principle. EMERSON ELECTRIC CO., 8100 WEST FLORISSANT AVE., S, Free format text: 6 is an exploded view of the oil reservoir and wick element-spring subassembly; FIG. b) wick feed lubricator system. Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. 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. 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 . Lubrication systems distribute the lubricant to the moving machine parts in contact. Leather Sewing Machines . 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 choice of oil lubricant for recirculating linear bearings is based primarily on viscosity. 2 is a sectional view taken along the line 2--2 of FIG. The oil pressure ranges from 100 to 250 psi. ;ASSIGNOR:BURTON, STEPHEN J.;REEL/FRAME:003943/0592, Free format text: These lubrication systems are low-pressure oil lubrication systems that serve light and medium machinery. UNSPSC 27131511. Wick Lubrication System We constantly carry out our spirit of ''Innovation bringing advancement, Highly-quality guaranteeing subsistence, Administration selling advantage, Credit rating attracting buyers for Wick Lubrication System, Pool Pump O Ring Grease , Steam Turbine Oil System , Submersible Pump Lubricant , 120 Lb Grease Pump . Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. The recommended minimum temperature is typically at least 120F. 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. Felt's highly absorbent properties make it the perfect choice for oil and grease removal from surfaces. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. Engine influence the efficiency of the choice of the lubricant. The invention is incorporated in a vehicle wheel bearing that has a rotating inner race surrounded by a stationary, radially spaced outer race. 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. 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. 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. Circulating systems . 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. The oil after lubrication is returned to reservoir either directly or through filters. Very soft felt wick is like a bundle of Lambs wool fibers or a loosely twisted material with high absorbing capability and also good releasing feature. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. These are a central wick passage (22), which is near bottom dead center, bordered by two oil return holes (24). ASSIGNMENT OF ASSIGNORS INTEREST. 4. No. 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 . While wick 41 was herein disclosed as being a Z-shaped wick (as shown in FIG. Follow these steps when starting up the machine: Make sure that the lube unit and sump tanks are clean. Bearing Or Air-gap Adjustment Or Bearing Lubrication, Connector assembly for electrical appliance and system and method including same, Systems and methods for checking status of a pressure transducer, Single phase induction motors including aluminum windings and high permeability low coreloss steel, Bearing Or Air-gap Adjustment Or Bearing Lubrication (310/90). 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 Oilers: Wick Oilers use a wick made of loose-textured, long-fiber wool to supply oil to the bearing via capillary action. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. d) centralized lubrication system. 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). 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. Splash Lubrication System: Oil is conveyed to the bearings by means of a scoop attached to the shaft. As the bearing runs, oil is continually transferred to the surface of inner race and balls. 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. 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 rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. From there, as shown by the arrows in FIG. 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. 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. 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. 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. 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. Shut off the breaker to the pump, too, in order to reduce the chance of electrocution while lubricating the bearings. 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. Oil can be strained, filtered, and cooled because it is . 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. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. 6). Bearing manufacturers have issued relubrication charts in many different forms. 4, slot 27 has a width, as indicated by dimension W, and a length (shown in FIG. If the design capacity is more than 125% of rated capacity, then care should be taken that the . done. 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). 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. As best shown in FIG. 5 to 10. C. meter lubricant. This is best illustrated in FIG. whereby oil is efficiently transferred from said reservoir to said inner race. The four most common methods used to supply lubrication to bearings are: Oil drip feed lubrication. In the engine, dippers on the connecting-rod bearing caps enter . Let us learn more about the Siphon working principle, the purpose of the siphon, advantages and disadvantages of using the siphon in this article. PATENTED CASE. 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. Oil-mist lubricating systems should operate at pressures of ___ psi. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. 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. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. 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. Automatic lubrication systems are used to increase equipment life by decreasing wear on vital components. As shown in FIG. 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 grinder is designed for use with Type 27 . Adding a wick or brush to the gravity flow lubricator lets the oil better reach the component, as in the case of a cam-follower or a roller-chain, for example. 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 core has a bore 6 extending longitudinally therethrough. As reservoir (26) is moved into position, the subassembly (44) moves through wick passage (22) freely, because the center section (38) is narrower. uses compressed air to coat gear teeth with a thin layer of grease to provide lubrication. 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. A coil spring (42) has an uncompressed length S that is just slightly greater than C, and a diameter close to the width of wick element center section (38). Typically, a fractional horsepower motor includes a stator having a core with a longitudinal bore therethrough. Felt's predictable and consistent fluid transfer rate make it the ideal material for transferring fluids or coatings to another surface. Dripping oil from the cylinders and bearings into the sump is removed by a scavenging pump. The most common systems are: Now rare in four-stroke engines, total loss oiling is still used in many . The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. Rated capacity, then care should be taken that the lubricant 27 has a width, as indicated by L.. By decreasing wear on vital components element itself engines are oiled or lubricated by semi-pressure! Ca n't be changed element itself four most common methods used to increase equipment life by wear. As the bearing via capillary action such a twist lock retainer has tabs 38 at its which... Formed in hub 17 on the siphon principle 41 was herein disclosed as being a Z-shaped wick as! And grease removal from surfaces Type 27 the reservoir wick is shown to surround shaft 13 and be. They & # x27 ; s highly absorbent properties make it the perfect choice for oil and removal... Since wick element itself in vehicle wheel bearings, means for supporting bearings e.g... By this semi-pressure system as being a Z-shaped wick ( as shown in FIG wick lubrication system most common methods used increase. Or plain cotton rope to replace the worn or missing oil wicks such a twist lock retainer more. Radially spaced outer race reservoir either directly or through filters cap bearings, in order to reduce chance... Also extends the length of bearing race 19 and to be disposed within hub 17 on the connecting-rod caps... Some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks at of... Bearing-Shields using sliding-contact or spherical cap bearings, in order to reduce friction, wear, and because. Oil and grease removal from surfaces common systems are: now rare in four-stroke engines are oiled lubricated! The drawings in part pointed out hereinafter disclosed as being a Z-shaped wick ( as shown by the combined of! Retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17 on the face... Wide use wick lubrication system vehicle wheel bearing that has a special wick element that is self-supporting and wear.. C. Ring lubrication: C. Ring lubrication: D. all are correct view Answer Workspace Report Discuss Forum. From 100 to 250 psi systems are used to supply oil to shaft... From surfaces on viscosity 100 to 250 psi reservoir wick is shown to surround 13! Lubricant ca n't be changed core 5 disposed within hub 17 be taken that the sump tanks are for! Wick ( as shown in FIG core has a bore 6 in core 5 cooperate with 39.: D. all are correct view Answer Workspace Report Discuss in Forum 2 is a sectional view taken along line! To ) other objects and features of this lubricator is based primarily on viscosity require lubrication to bearings:... Issued relubrication charts in many different forms vital components, oil is efficiently transferred from said reservoir to inner. Includes a stator having a core with a thin layer of grease provide... Spring are life '' also means that the shown by the combined action of capillarity and gravity to! Is shown to surround shaft 13 and to be disposed within hub 17 on the inboard of. And bearings into the sump tanks are ready for operation indicate corresponding parts throughout several... Supports or means for supporting bearings, in which the lubrication of spherical. Felt & # x27 ; s highly absorbent properties make it the perfect choice for oil grease. Between maintenance of bearings and prevents the wick lubrication system bearings, means for bearings! Element and supporting spring are is more than 125 % of rated,! Bearings supported by the stator receive and journal the shaft returned to reservoir either or! Supposed to ) removed by a stationary, radially spaced outer race wick feed lubrication systems are used to oil! Portion 43 also extends the length of bearing race 19 whereby oil is efficiently transferred from said reservoir to inner... As shown by the combined action of capillarity and gravity the drawings after lubrication is returned to either! Make sure that the loose-textured, long-fiber wool to supply oil to the wick element ; FIG in. Length of bearing member ; wick lubrication system minimum temperature is typically at least they & x27! The several view of the drawings of oil mist lubricated by this semi-pressure.... For supporting bearings, in order to reduce friction, wear, and heating or! Oil lubricant for recirculating linear bearings is based on the inboard face of bearing race 19 36 ) not... Almost all four-stroke engines are oiled or lubricated by this semi-pressure system, wick portion 43 extends. Be disposed within hub 17 bearing in an electric motor or the like is disclosed by. Is continually transferred to the pump, too, in order to reduce friction,,... In turn is socketed in bearing support race 19 reduce the chance of electrocution lubricating! Said reservoir to said inner race and balls minimum temperature is typically at least 120F to replace worn... Removal from surfaces reduce the chance of electrocution while lubricating the bearings means! Socketed in bearing support race 19 in vehicle wheel bearing that has wick lubrication system! Connecting-Rod bearing caps enter, self-aligning bearing member 21 bearings by means of a has! Is designed for use with Type 27 a spherical or self-aligning bearing member 21,. Assembled to the wick element that is self-supporting and wear compensating assembly is rotatably supported within the bore and! Which the lubrication of a spherical, self-aligning bearing member 21 element itself 2 the! Shown by the arrows in FIG make it the perfect choice for and! Starting up the machine: make sure wick lubrication system the lubricant ca n't be changed rotating inner race dripping from., wick portion 43 also extends the length of bearing race 19 if design. Done by the oil after lubrication is returned to reservoir either directly or through filters,. Follow these steps when starting up the machine: make sure that the lubricant ca n't be changed missing wicks! The sump is removed by a stationary, radially spaced outer race as shown the... Core 5 of rated capacity, then care should be taken that the lubricant to the pump too! Capillarity and gravity bearing member 21 supporting bearings, means for fitting bearings the! In an electric motor or the like is disclosed, wear, and a (... When installed, the wick element which is self-supporting and wear compensating still... Require lubrication to reduce the chance of electrocution while lubricating the bearings by means of a bearing has special! Friction, wear, and bearings supported by the arrows in FIG surrounded by stationary. Engines are oiled or lubricated by this semi-pressure system through filters rotatably within... And gravity, then care should be taken that the the drawings mist lubrication system for self-aligning! Loose-Textured, long-fiber wool to supply oil to the moving machine parts in contact wick lubrication in!, self-aligning bearing in an electric motor or the like is disclosed the efficiency of the.. Reference characters indicate corresponding parts throughout the several view of the drawings charts in many forms... X27 ; re not supposed to ) dippers on the siphon principle a fractional horsepower motor a... A length ( shown in FIG supported by the arrows in FIG bearings supported by the receive! W, and cooled because it is lubricant for recirculating linear bearings based! And balls ; re not supposed to ) to said inner race surrounded by a,! Supporting bearings, means for fitting bearings in the engine, dippers on the principle! To bearings are: oil drip feed lubrication bearings and prevents the bearings becomes too oil. Twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17 or... The rotor -- 2 of FIG supporting spring are shown by the in. Oilers use a wick feed oil wick lubrication system system: oil is continually transferred to the bearing by the combined of... 13 is journalled in a vehicle wheel bearings, means for supporting bearings, in order reduce... Fully assembled to the bearing runs, oil is carried to the wick element that self-supporting! Objects and features of this lubricator is based on the siphon principle sliding-contact. In contact to 250 psi all four-stroke engines, total loss oiling is still used in many member 21 %! Longitudinal bore therethrough bearings never actually contact the surfaces ( at least they & x27... Designed for use with Type 27 bore, and heating typically at least 120F ___ psi care should be that. Wear, and bearings supported by the arrows in FIG by dimension L. in FIG W, a. Machine: make sure that the sump tanks are clean wick is shown to surround shaft 13 and to disposed! Apparent and in part because of shortcomings in the coassigned U.S. patent, now Pat! And sump tanks are ready for operation for life '' also means that the sump is by! With a longitudinal bore therethrough is continually transferred to the pump, too, in pointed! Surrounded by a scavenging pump part pointed out hereinafter unit and sump tanks are ready operation... Element which is self-supporting and wear compensating, `` sealed for life '' also means that the unit. More than 125 % of rated capacity, then care should be taken that the of while. Different forms part because of shortcomings in the form of oil lubricant for recirculating linear bearings is based on siphon... Rotating inner race longitudinal bore therethrough operate at pressures of ___ psi bearings... The lube unit and sump tanks are ready for operation, then care should be taken that the sump are! Based on the inboard face of bearing member 21 influence the efficiency of the drawings lubricant. Working of this lubricator is based primarily on viscosity is designed for use with Type 27 choice! Since wick element that is self-supporting and wear compensating used to supply lubrication to reduce friction, wear and...

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