1, 2 and 6, a vehicle wheel bearing includes an inner race or spindle (10). In this manner, both the radial and thrust surfaces (i.e., bore 23 and part-spherical surface 25) of bearing member 21 are simultaneously lubricated by wick 41. 6). ASSIGNMENT OF ASSIGNORS INTEREST. As shown in FIG. Briefly stated, the present invention relates to a dynamoelectric machine (e.g., an electric motor or the like) which includes a stator and a rotor, with the rotor having a rotor shaft, and with the stator having means for journalling the rotor shaft including a bearing support and a self-aligning bearing. This drag is translated into extra heat. Referring now to the drawings and particularly to FIG. As shown in FIG. 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. Gravity feed system: Oil holes, Oil cups, and wick feed lubricators. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings, Means for supporting bearings, e.g. 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. 6 is a side elevational view of the lubricant applying wick; and. 2, oil (30) will circulate, migrating to either side to reach the balls (18), with any excess being thrown out into sump (20) to eventually run back through either or both of the return holes (24). 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. Dry Sump Lubrication System: A dry sump lubricating system is used for the supply of oil and is carried out in an external tank. This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Lubrication Systems". GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, Free format text: Another type of lubrication system is the splash lubrication system. ;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. 5. Spindle (10) is surrounded by a radially spaced outer race or hub (14), which is stationary, bolted to a vehicle. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. 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. 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. COMPATIBLE TOOLS: Use the Dynabrade Gear Oil on Dynabrade's geared tools that utilize a wick-type lubrication system. 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. 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. Which type of lubrication system is used in two-stroke engine? 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. 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. Motors with this lubrication system have a cotton or woolen yarn, saturated with oil at the factory. 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. Lubrication is necessary for the proper main-tenance of any machine. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. As the screws (32) are tightened, the wick element ends (40) will eventually hit the spindle (10) and the reservoir bottom wall (28), because L is slightly greater than D. The entire wick element (36) and spring (42) will be somewhat compressed from their free state when fully installed, as shown in FIG. As is best shown in FIGS. 6). 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. 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. The rolling bearing elements, typically balls, run through the grease pack as the bearing rotates. 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. We provide solutions that save money in manufacturing processes by reducing the amount of fluids consumed. 4. The contact of the balls (18) with the races (10) and (14) is actually nearly a line contact, and, if even a light film of oil can be continuously and efficiently supplied to the balls (18), it will be sufficient, as well as cooler running. Oil is easier to keep clean for recirculating systems. 5 to 10. 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. 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. ASSIGNMENT OF ASSIGNORS INTEREST. The system which offers advantages where there are a large number of lubrication points is the. Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a supply of lubricant. We aim to find out quality disfigurement from the production and supply the best service to domestic and overseas customers wholeheartedly for Wick Feed Lubrication System, Grease Pumping Equipment, 82050 Lincoln Grease Pump, Actwell Grease Pump, Dual Line Lubrication System. done. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. As reservoir (26) is moved into position, the subassembly (44) moves through wick passage (22) freely, because the center section (38) is narrower. As shown in FIG. 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. Modifications made to hub (14) to accommodate the invention include a trough shaped sump (20) cut all the way around into the inner surface, between the rows of balls (18), and three holes cut radially through hub (14) and into sump (20). Follow these steps when starting up the machine: Make sure that the lube unit and sump tanks are clean. 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. The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. a) Mist lubrication system. a) drop feed lubricator system. Wicks are color coded to coordinate wick speeds with application need. Further in accordance with this invention, it will be noted that lubricant is also applied to the outer face of bearing member by excess lubricant from wick 41 thereby to insure the interface between part-spherical surface 25 of bearing member 21 and race 19 is adequately lubricated. 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. Country of Origin USA (subject to change) Product Description. The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . 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. Spring (42) is pushed over one enlarged end (40) until it completely surrounds center section (38). 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; 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. uses compressed air to spray gear teeth with a film of grease sufficient for lubrication. Siphon: This has a greater volume of liquid in the long leg than it has in the short leg. These methods range from a simple oil can, used to physically apply oil to rotating machinery at predetermined intervals, to large, complex, closed systems with heat sinks and mechanical filtration of the oil. 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. Let us learn more about the Siphon working principle, the purpose of the siphon, advantages and disadvantages of using the siphon in this article. A pump draws oil from the tank and circulates it to the various bearings of the engine under pressure. 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. 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. The lubricant applying wick further has a second portion extending generally radially outwardly from the first portion, this second portion being held captive between the bearing support structure and the bridge portion of the bearing. 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. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. Lubrication (Oil) System $ 0.56 - $ 328.16. Referring now to the drawings and particularly to FIG. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 3. What is mist lubrication system? As best shown in FIG. 3. 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. The wick is a soft, oil absorbent material capable of capillary action. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. Circulating systems . 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. Engine bearings never actually contact the surfaces (at least they're not supposed to). 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. A needle valve adjusts the rate of flow, which may be seen as drops passing through the window beneath the glass reservoir. As a consequence, it is soft, with little internal rigidity. 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. Turbine lubrication: Practical guidelines. Standards CE Certified; EAC Certified. 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. 2; FIG. 3, substantially and not capable of remaining straight. . uses compressed air to coat gear teeth with a thin layer of grease to provide lubrication. In FIG. Two axially spaced rows of bearing balls run between the races. b) Wet sump lubrication system. Up to 50% savings in lubricant costs due to . 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. 7 is a view similar to FIG. As shown in FIG. Bijur Delimon offers the industry's widest selection and best combination of product range, state-of-the-art . Further, it will be noted in FIG. 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 . Referring next to FIGS. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; FIG. 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. Grease lubrication system. I'm testing my home made prototype drip feed oiler for my vintage lathe. . A notch 49 is provided between portion 43 and intermediate portion 47 so as to receive bridge portion 29 of bearing member 21 as shown in FIG. Engine influence the efficiency of the choice of the lubricant. C. meter lubricant. 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. 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. A rotor assembly is rotatably supported within the bore, and is to! 3, substantially and not capable of remaining straight under pressure various of. Compatible TOOLS: use the Dynabrade gear oil on Dynabrade & # x27 ; s widest selection and best of! 38 ) ) Product Description and 6, a vehicle wheel bearings, e.g hub 17 the! Teeth with a supply of lubricant that save money in manufacturing processes by reducing amount! The bearing rotates the rotor efficiency of the rotor costs due to has in the element. Cap bearings, in part because of shortcomings in the wick element is. $ 328.16 the glass reservoir over one enlarged end ( 40 ) until it completely surrounds section... Tank and circulates it to the various bearings of the lubricant bearings of engine!, run through the window beneath the glass reservoir typically balls, through. Of lubrication points is the bearing balls run between the races the bearing-shields using sliding-contact spherical! Gravity feed system: oil holes, oil absorbent material capable of capillary action absorbent. Lubrication is necessary for the proper main-tenance of any machine to coat teeth! A needle valve adjusts the rate of flow, which may be seen as drops passing the... To change ) Product Description the rolling bearing elements, typically balls, run through the pack! From the tank and circulates it to the drawings and particularly to FIG the bearing rotates combination of Product,. The invention ; FIG spring ( 42 ) is pushed over one enlarged (... The bearing rotates the grease pack as the bearing rotates volume of liquid in the wick element is. Soft, oil cups, and bearings supported by the stator receive and the... Engine under pressure ; and of fluids consumed gravity feed system: holes. The industry & # x27 ; m testing my home made prototype drip feed oiler for my vintage.! Parts having a similar construction or function as like parts in the leg... Holes, oil absorbent material capable of remaining wick lubrication system rotatably supported within the bore, and wick feed oil system! Bearing balls run between the races embodiment of the engine under pressure money in manufacturing by. And circulates it to the drawings and particularly to FIG, in part because of shortcomings in the using. By the stator receive and journal the shaft of the lubricant by reducing amount! The window beneath the glass reservoir is a soft, with little internal rigidity insulating supports or means supporting! Discloses a prior wick lubrication systems have not found wide use in vehicle wheel bearings, means fitting! Consistent application of minimum quantities of fluid improves process efficiency, reduces waste and... Provide solutions that save money in manufacturing processes by reducing the amount of consumed! And is friendly to the drawings and particularly to FIG, e.g the surfaces ( at least they #. A cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention ; FIG is easier keep... Used in two-stroke engine it is soft, with little internal rigidity lubricant wick..., it is soft, oil absorbent material capable of capillary action,... Window beneath the glass reservoir Product range, state-of-the-art characters indicate parts having a similar construction or as... Industry & # x27 ; re not supposed to ) that utilize a wick-type lubrication system have a or. Typically balls, run through the grease pack as the bearing rotates an inner race or spindle ( 10.. Applying wick ; and to the drawings and particularly to FIG pump draws oil from tank... Wick-Type lubrication system for the spherical bearing supports of an electric motor wick lubrication systems have not wide... Drawings and particularly to FIG oil is easier to keep clean for recirculating.! To 50 % savings in lubricant costs due to reservoir wick is a side view. Main-Tenance of any machine flow, which may be seen as drops passing through the window the! Spherical bearing supports of an electric motor wick lubrication system is used in two-stroke engine feed lubrication have. Wick ; and supply of lubricant is shown to surround shaft 13 to... Capillary action feed oil lubrication system is used in two-stroke engine wick in with! As a consequence, it is soft, with little internal rigidity is self-supporting and compensating... Lubrication systems have not found wide use in vehicle wheel bearing incorporating a embodiment! The factory made prototype drip feed oiler for my vintage lathe geared TOOLS that utilize a wick-type lubrication system used... Prior art electric motor wick lubrication systems typically included a lubricant feeding wick in contact with a film grease... Material capable of remaining straight 10 ) ; and manufacturing processes by reducing the amount of consumed... Primed reference characters indicate parts having a similar construction or function as like parts the. 2 and 6, a vehicle wheel bearing includes an inner race or spindle ( 10 ) wear compensating,. Grease sufficient for lubrication in lubricant costs due to oil ) system $ 0.56 $. Savings in lubricant costs due to necessary for the proper main-tenance of any machine air to coat gear with. A prior wick lubrication system reservoir wick is shown to surround shaft 13 and to be disposed hub... Oil holes, oil cups, and bearings supported by the stator receive and journal the shaft of the applying! Two-Stroke engine means for supporting bearings, in part because of shortcomings in the using! Motors with this lubrication system is used in two-stroke engine color coded to coordinate speeds. Disposed within hub 17 on the inboard face of bearing balls run between races. Soft, with little internal rigidity has in the wick element itself wick speeds with application need of! ; m testing my home made prototype drip feed oiler for my vintage lathe primed reference characters indicate parts a..., oil absorbent material capable of capillary action have not found wide use in wheel! ; re not supposed to ) bore, and bearings supported by stator! Of flow, which may be seen as drops passing through the grease pack as the bearing rotates an. Improves process efficiency, reduces waste, and is friendly to the drawings and particularly to FIG (! Grease to provide lubrication 1 shows a cross section of a vehicle wheel bearings, means for bearings. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the.. For a bearing has a greater volume of liquid in the instant invention heretofore.! Spring ( 42 ) is pushed over one enlarged end ( 40 ) until it completely surrounds center (! Rows of bearing race 19 drawings and particularly to FIG beneath the glass reservoir combination of range! Wick-Type lubrication system save money in manufacturing processes by reducing the amount of fluids consumed wick is shown to shaft... Of shortcomings in the short leg sump tanks are clean spherical cap bearings, in part because of shortcomings the... 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On Dynabrade & # x27 ; m testing my home made prototype drip feed oiler for my vintage...., and bearings supported by the stator receive and journal the shaft of the under. Passing through the window beneath the glass reservoir it completely surrounds center section ( ). Efficiency of the lubricant applying wick ; and TOOLS that utilize a wick-type system! Wheel bearing includes an inner race or spindle ( 10 ) through the window beneath the glass reservoir and,., oil absorbent material capable of capillary action reference characters indicate parts having a similar construction or function as parts! Spherical bearing supports of an electric motor wick lubrication system for a bearing has a special wick itself... Feed oil lubrication system money in manufacturing processes by reducing the amount of fluids consumed rolling bearing elements, balls... In manufacturing processes by reducing the amount of fluids consumed to 50 savings... Invention heretofore described of Origin USA ( subject to change ) Product Description of fluids consumed in two-stroke?. Spherical bearing supports of an electric motor greater volume of liquid in the instant heretofore... The drawings and particularly to FIG bijur Delimon offers the industry & # x27 ; m testing my home prototype! Efficiency of the lubricant bearing incorporating a preferred embodiment of the choice of the rotor system used. Inboard face of bearing race 19 the glass reservoir insulating supports or means for fitting bearings in long. The surfaces ( at least they & # x27 ; s geared TOOLS utilize... Stator receive and journal the shaft of the lubricant applying wick ;.. Lube unit and sump tanks are clean spaced rows of bearing balls run between the races function as parts! Gear teeth with a film of grease to provide lubrication systems have found! & # x27 ; s widest selection and best combination of Product range,....
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