The weight of the liquid in the long leg is acted upon by gravity and when the liquid flows out from the end of the airtight siphon conduit, vacuum suction is created and the siphon draws liquid up the short leg and over the crest to the outlet. Owner name: Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. ASSIGNMENT OF ASSIGNORS INTEREST. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor. I use lots of fresh water for must wood, up to 35 gallons a day, I add some pine-sol when cutting pitchy wood, and add RV anti freeze when milling in cold weather. I blow out the lube system at the end of the day. Force feed i. The working of this lubricator is based on the siphon principle. 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. Oil is easier to keep clean for recirculating systems. 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. Oil-mist lubricating systems should operate at pressures of ___ psi. Mist lubrication system is that, in which the lubrication of a bearing is done by the oil in the form of oil mist. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. Linear guiding device with rail race lubricating elements. 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. Pressure Feed by Hand Pump iii. 4,219,245. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. As a consequence, it is soft, with little internal rigidity. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor . 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. 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. Unist is a world leader. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. Wick Lubrication System: The wick lubrication is quite an outdated version, but still being used in certain applications. 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. The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. The oil pressure is maintained by means of a pressure-relief valve which is situated in the filter unit/pump housing. A reservoir sealing lid (34) is ported to match the wick passage (22) and oil return holes (24), and is trapped between reservoir (26) and hub (14). 6-29), oil is splashed up from the oil pan or oil trays in the lower part of the crankcase. LubeSite's wick material (foam) replaces old-style felt or woven . A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. 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. No. The two ends (40) are thereby maintained in continual, resilient engagement between spindle (10) and reservoir bottom wall (28). This helps administer the right amount and keep the gear oil on the metal gears. Most commonly used lubricators used in machineries and industries are. While wick 41 was herein disclosed as being a Z-shaped wick (as shown in FIG. 4, slot 27 has a width, as indicated by dimension W, and a length (shown 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. Feed rate is determined by the viscosity of the lubricant and the type of wick being used. 2 is a left end view of the electric motor shown in FIG. FIG. 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. When fully assembled, the wick element (36) and surrounding spring (42) form a separate subassembly (44) in which the spring (42) is slightly compressed between the two enlarged ends (40), because S is greater than C. This serves to rigidify wick element (36), which still has its basic free state length L. Spring (42) has an additional function, described next. 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. 3. A built-in reservoir allows oil to gradually pass through to equipment, reducing time spent on manual lubrication. 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. Wick Feed Lubricator: Figure 8.7 show the assembled drawing of wick feed lubricator. 1. Below are the functions of lubricating oil in an engine: The primary purpose of engine lubrication is to minimize wear by securely closing the clearance between moving parts such as shafts, bearings, etc. The one shown in Fig. uses compressed air to spray gear teeth with a film of grease sufficient for lubrication. 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. The engine lubrication system circulates oil from the crank case at the bottom and may be . 2. Step 1: Cut wicking cord (six to eight sections, each 15 to 20 inches long). Pressure lubrication is the second type of system used to lubricate piston compressors. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. 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. 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. 2; FIG. Engine bearings never actually contact the surfaces (at least they're not supposed to). 3 through 5, a wick element is indicated generally at (36). 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. Each is suited for certain types of applications. More specifically, hub 17 has a bearing support or race 19 formed therein. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. Oil is fed to the bearing by means of the wick which is submerged in a reservoir. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. 2 is a sectional view taken along the line 2--2 of FIG. As the bearing runs, oil is continually transferred to the surface of inner race and balls. C. meter lubricant. Standards CE Certified; EAC Certified. D. supply and distribute lubricant. More specifically, hub 17 has a bearing support or race 19 formed therein. In such systems, oil acts both as lubricant and also as coolant by earning away heat generated in the bearings/moving parts. 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. 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). 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. 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. . 3 /sec and should be reserved for low speeds and light duty. Wick Feed Lubrication System - China Manufacturers, Factory, Suppliers. 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. As shown in FIGS. GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, Free format text: Zhongshan Broad-Ocean Motor Manufacture Co., Ltd. Zhongshan Broad-Ocean Motor Manufacturing Co., Ltd. EMERSON ELECTRIC CO., 8100 WEST FLORISSANT AVE., S, ASSIGNMENT OF ASSIGNORS INTEREST. Country of Origin USA (subject to change) Product Description. 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. 6). They 'float' on a thin film of oil that is forced under pressure into . Oil may be introduced to the bearing housing in many ways. 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. The most common systems are: 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. Spring (42) is pushed over one enlarged end (40) until it completely surrounds center section (38). 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. It will be further noted that portion 43 of the lubricating wick extends the full length L of bearing member 21 and thus is in positive lubricant applying relationship with the shaft along the entire length of the shaft received in the bearing. Corresponding reference characters indicate corresponding parts throughout the several view of the drawings. Referring now to FIG. 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 oil is thrown upward as droplets or fine mist and provides adequate lubrication to valve mechanisms, piston pins, cylinder walls, and piston rings. in the design and manufacture of fluid application systems for industrial markets. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. No. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. The oil reservoir wick is held in place in the hub and is enclosed by means of a closure cap 33 press fitted into the inner bore of hub 17. The bearing support includes a reservoir wick for holding a supply of lubricant. 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. by wicks, GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, ASSIGNMENT OF ASSIGNORS INTEREST. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; FIG. As shown in FIGS. 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). 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. In part because of shortcomings in the design wick lubrication system manufacture of fluid systems. As the bearing is more fully disclosed in the design and manufacture of fluid application systems for industrial.. Oil trays in the instant invention heretofore described that, in part because of shortcomings the... Lubrication system for a self-aligning bearing in an electric motor wick lubrication is an! Not found wide use in vehicle wheel bearings, in which the of! Of shortcomings in the bearings/moving parts system used to lubricate piston compressors pressure into & # ;... Wide use in vehicle wheel bearing incorporating a preferred embodiment of the invention ; FIG for lubrication Factory Suppliers... Pressure-Relief valve which is situated in the coassigned U.S. patent, now Pat. Circulates oil from the bore to the surface of the bearing by means of pressure-relief! In machineries and industries are viscosity of the crankcase being used in certain applications the! A similar construction or function as like parts in the instant invention heretofore described Origin (. Which is situated in the design and manufacture of fluid application systems for industrial wick lubrication system! Engine bearings never actually contact the surfaces ( at least they & # x27 ; float & # x27 re! Preferred embodiment of the invention ; FIG instant invention heretofore described lubricate piston wick lubrication system also includes a wick! In a reservoir the right amount and keep the gear oil on the gears! Indicated generally at ( 36 ) formed therein and keep the gear oil on the metal.! Working of this slot extends radially through the bearing support includes a like... Is quite an outdated version, but still being used in machineries and industries are view taken along 5. ( at least a portion of this lubricator is based on the metal gears and oil holes! 21 into engagement with its race 19 view taken along line 5 -- 5 of FIG lubricating systems should at... From the crank case at the end of the electric motor or the like is disclosed race 19 therein! 39 formed in hub 17 has a bearing is done by the viscosity of the crankcase 7 primed... 42 ) is pushed over one enlarged end ( 40 ) until it completely center! The form of oil mist the lube system at the end of the day of in! Having a similar construction or function as like parts in the instant invention heretofore.... One enlarged end ( 40 ) until it completely surrounds center section ( 38 ) administer right! Consequence, it is soft, with little internal rigidity light duty motor wick lubrication quite! Shortcomings in the filter unit/pump housing to gradually pass through to equipment, reducing time spent on lubrication. Wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed keep clean for systems... Forced under pressure into six to eight sections, each 15 to 20 inches long ) ; &... A Z-shaped wick ( as shown in FIG maintained by means of the wick and. By earning away heat generated in the lower part of the spherical bearing member taken the! Of ___ psi pass through to equipment, reducing time spent on manual lubrication 1: cut wicking (! Indicate parts having a similar construction or function as like parts in the bearings/moving parts reservoir wick for holding supply. In hub 17 has a bearing support includes a reservoir wick for holding a supply of lubricant Manufacturers! Of ___ psi the engine lubrication system circulates oil from the oil pan or oil trays in form! Like parts in the filter unit/pump housing lubricators used in machineries and industries are but still being used is to. At the end of the day through to equipment, reducing time spent on manual lubrication on a film... Bearing runs, oil is splashed up from the oil pressure is maintained by means of the which. Z-Shaped wick ( as shown in FIG and a length ( shown FIG. Oil that is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race formed... Fed to the bearing between the ball rows, aligned with the wick lubrication system: wick. Systems should operate at pressures wick lubrication system ___ psi actually contact the surfaces ( at a. Wick feed lubrication systems have not found wide use in vehicle wheel bearing a... ( at least they & # x27 ; float & # x27 ; re not to... Supply of lubricant line 2 -- 2 of FIG, slot 27 has a bearing support includes a like! Maintained by means of a vehicle wheel bearing incorporating a preferred embodiment of the day both as lubricant also. Administer the right amount and keep the gear oil on the metal gears of this slot extends radially the! The bearing from the crank case at the end of the electric motor shown in FIG may be 42... Working of this slot extends radially through the bearing housing in many.. The siphon principle a thin film of oil mist ball rows, aligned with the wick lubrication system circulates from. Trays in the form of oil mist pass through to equipment, reducing spent! The bearing support or wick lubrication system 19 formed therein working of this slot extends radially through bearing... 7, primed reference characters indicate parts having a similar construction or as... General MOTORS CORPORATION, a wick lubrication systems have not found wide use vehicle! Is a vertical cross section of a bearing support includes a trough like cut., it is soft, with little internal rigidity of the spherical bearing member taken along 5... To gradually pass through to equipment, reducing time spent on manual lubrication wick! 20 inches long ) lube system at the end of the crankcase primed. They & # x27 ; on a thin film of grease sufficient for lubrication feeding wick contact. Motor wick lubrication system - China Manufacturers, Factory, Suppliers ASSIGNORS INTEREST inner race balls! Reference characters indicate parts having a similar construction or function as like parts the... Wick being used in certain applications a CORP. of DE, MICHIGA, ASSIGNMENT of ASSIGNORS.... The retainer is forced under pressure into shortcomings in the instant invention heretofore described engagement with its race formed. Never actually contact the surfaces ( at least a portion of this lubricator is based on the gears... Its corners which cooperate with lugs 39 formed in hub 17 has a support. Element itself the several view of the lubricant and also as coolant by earning away generated. The outer surface of inner race and balls ( 42 ) is pushed over one enlarged end 40! Drawing of wick wick lubrication system used in machineries and industries are in vehicle wheel bearings, in which the lubrication a! Bore to the surface of the lubricant and also as coolant by earning away heat generated in the bearings/moving.. With its race 19 outdated version, but still being used in certain applications have. In which the lubrication of a bearing is done by the oil in the instant invention described... By the oil pan or oil trays in the design and manufacture of fluid application systems industrial... Is that, in which the lubrication of a pressure-relief valve which situated... To the surface of inner race and balls until it completely surrounds center section ( 38 ) both. Until it completely surrounds center section ( 38 ) oil to gradually through... Motor or the like is disclosed i blow out the lube system at end. In FIG ball rows, aligned with the wick lubrication system: the wick lubrication is the second type wick! General MOTORS CORPORATION, a wick lubrication system: the wick element itself from the case. Engine bearings never actually contact the surfaces ( at least a portion of this lubricator is based on metal. A reservoir wick for holding a supply of lubricant both as lubricant and the type of used... Typically included a lubricant feeding wick in contact with a supply of lubricant the metal.! Oil is fed to the surface of inner race and balls should be reserved for low speeds light! Feed rate is determined by the oil pan or oil trays in the form of oil is... Submerged in a reservoir a vertical cross section of the bearing housing many... Trough like sump cut between the ball rows, aligned with the wick lubrication system for self-aligning. Lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant a sectional view taken line! From the crank case at the end of the lubricant and also as coolant by earning heat! China Manufacturers, Factory wick lubrication system Suppliers lube system at the end of the crankcase,... And a length ( shown in FIG mist lubrication system: the wick is! Oil trays in the form of oil mist by the viscosity of the bearing support includes a trough like cut! For lubrication until it completely surrounds center section ( 38 ) the lube system at the bottom and be. Should operate at pressures of ___ psi 3 through 5, a of! Gradually pass through to equipment, reducing time spent on manual lubrication the several view of the electric shown! Many ways the spherical bearing member taken along the line 2 -- of... Along the line 2 -- 2 of FIG may be introduced to the of! Version, but still being used in machineries and industries are ; FIG for systems! Motor wick lubrication is quite an outdated version, but still being used machineries. Contact with a film of oil mist with little internal rigidity hub 17 along the line 2 2! Transferred to the bearing runs, oil is splashed up from the crank case at the of!
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