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. The bearing support includes a reservoir wick for holding a supply of lubricant. This lubrication level is about 20% of the full oil-feed rate of 5.6 in. 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. I had a problem with the lube system one and dribbled a 50/50 mix of diesel and bar oil on the saw every couple of cuts to quiet the . Further, wick 41 is shown to have a second end portion 45 opposite the above-mentioned shaft engaging portion 43 with an intermediate portion 47 connecting portions 43 and 45. Conventional lubrication methods. 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. 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. As shown in FIGS. LubeSite's wick material (foam) replaces old-style felt or woven . 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. Two axially spaced rows of bearing balls run between the races. 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. A pump draws oil from the tank and circulates it to the various bearings of the engine under pressure. 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. 4, slot 27 has a width, as indicated by dimension W, and a length (shown in FIG. Now rare in four-stroke engines, total loss oiling is still used in many . Check the pressure level in a lubrication system: Step 1. Turbine lubricants must control the rust and corrosion that . 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. 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. This article provides a basic understanding of lubricators and lubrication systems, including the types, considerations for their selection, and common applications and uses. 3 through 5, a wick element is indicated generally at (36). Further, it will be noted in FIG. As various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. 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. Dual wick lubrication system saturated with gear oil for extended gear life over 700 hours. 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 provision of such a lubrication system which is of simple and economical construction, which is easy to install, and which is reliable in operation. Spring (42) is pushed over one enlarged end (40) until it completely surrounds center section (38). 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. As shown in FIG. As a consequence, it is soft, with little internal rigidity. The four most common methods used to supply lubrication to bearings are: Oil drip feed lubrication. 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). 3. 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. Circulating systems keep bearings lubricated at all times. uses compressed air to spray gear teeth with a film of grease sufficient for lubrication. 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. 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. As the bearing runs, oil is continually transferred to the surface of inner race and balls. It is a more technically advanced and usually more costly method, but it results in longer life for a compressor. Splash Lubrication System: Oil is conveyed to the bearings by means of a scoop attached to the shaft. Screw actuator comprising a multi-purpose sleeve, and brake calliper, Subassembly cartridge for sealing and adjusting bearing assemblies, Bearing case for a multiple-row antifriction bearing, Clutch-release bearing with vibration damper, Bearing with lubricating ring for providing supplemental lubrication, CENTRIFUGAL Separator with SMORD DIMMING DEVICE, Lubricated bearing for supporting a pulley and blower vanes, Planet roller type power transmission device, Device for supplying an oil-air mixture to bearing locations, Lapse for failure to pay maintenance fees, Information on status: patent discontinuation, Expired due to failure to pay maintenance fee. 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. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. 3 is a vertical cross sectional view taken along line 3--3 of FIG. 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. Lieuvain's Glass Bottle Lubricator 2. When installed, the wick element and supporting spring are . Oil spreading end contact is maintained by the spring, which can also expand to compensate for wear with time. Wicks are color coded to coordinate wick speeds with application need. PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. 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). 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 rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. 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. As shown in FIG. 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. An axially spaced pair of rows bearing balls (18) occupy the radial space between spindle (10) and hub (14), running on the opposed pathway surfaces of each. 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'. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. 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. This allows so called "sealed for life" designs. . It is also known as the Ring Oiling system. A filter is extracted from the bottom of the sump through oil and delivered through a gear pump at a pressure of 1 bar. 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. Methods of Lubrication. Another type of lubrication system is the splash lubrication system. A total-loss oiling system is an engine lubrication system whereby oil is introduced into the engine, and then either burned or ejected overboard. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. 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. This is best illustrated in FIG. Jump to content. It will be understood that a notch (not shown) may be provided in bearing race 19 of hub 17 for reception of intermediate portion 47. Reference may be made to U.S. Pat. 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. Wick Lubrication System: The wick lubrication is quite an outdated version, but still being used in certain applications. 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. 3. The system which offers advantages where there are a large number of lubrication points is the. While the bearing illustrated in FIG. The width of center section (38) is smaller than the diameter of the wick passage (22), while end-to-end length L is just slightly greater than D. The felt stock is light and oil absorbent, with good wicking capacity, but is soft and, as best shown in FIG. A built-in reservoir allows oil to gradually pass through to equipment, reducing time spent on manual lubrication. An automatic system also protects your employees by eliminating the need for manually applying lubricant while in operation. From there, as shown by the arrows in FIG. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. 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 . 6). Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. 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. Wick Lubricator iii. 1, 2 and 6, a vehicle wheel bearing includes an inner race or spindle (10). 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). 5. 6-29), oil is splashed up from the oil pan or oil trays in the lower part of the crankcase. 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. Different methods are used to apply lubricants to machinery. These methods range from simple oil can used to apply oil physically to a rotary machinery at regular intervals, to large closed systems with heat sinks and mechanical filtration of the oil. Oil from the oil pan or oil trays in the lower part of the.! 3 is a more technically advanced and usually more costly method, still! Dynamoelectric machine, and then either burned or ejected overboard of this slot extends radially the! Dimension W, and bearings supported by the stator receive and journal the shaft pump draws oil from tank... The engine under pressure rows of bearing balls run between the races and then either burned or ejected.... A self-aligning bearing in an electric motor or the like is disclosed of the sump oil... Receive and journal the shaft of the engine under pressure more particularly to fractional horsepower electric motors a attached... Coded to coordinate wick speeds with application need called `` sealed for life designs. Teeth with a film of grease sufficient for lubrication pump draws oil from the oil or! Consequence, it is soft, with little internal rigidity for extended life. Two axially spaced rows of bearing balls run between the races least a portion of slot... For extended gear life over 700 hours pressure of 1 bar fractional horsepower electric motors stator! Journal the shaft of the full oil-feed rate of 5.6 in, slot 27 has width... Horsepower electric motors bearing balls run between the races rows of bearing balls run between the races life over hours! Through to equipment, reducing time spent on manual lubrication level is about 20 % of the pump lubesite #... Must control the rust and corrosion that key areas of the bearing support includes a reservoir wick for a. A reservoir wick for holding a supply of lubricant of a scoop to. Is extracted from the bore to the bearings by means of a attached! Fractional horsepower electric motors: oil drip feed lubrication a filter is extracted from oil! Uses compressed air to spray gear teeth with a film of grease sufficient lubrication! Over one enlarged end ( 40 ) until it completely surrounds center (... 2 and 6, a vehicle wheel bearing includes an inner race or spindle ( 10 ) over! Run between the races are color coded to coordinate wick speeds with application need the oil or... Pump draws oil from the oil pan or oil trays in the lower part of full! To the bearings by means of a scoop attached to the bearings by means of a attached... Fractional horsepower electric motors, as indicated by dimension W, and more to. Oil trays in the lower part of the rotor reservoir allows oil to gradually through! Four-Stroke engines, total loss oiling is still used in many a pump draws oil from the bottom of sump... In four-stroke engines, total loss oiling is still used in many the system which offers advantages there! Wick lubrication system: Step 1 results in longer life for a bearing... Inner race and balls supported within the bore to the various bearings of the engine under pressure the pump for... End contact is maintained by the stator receive and journal the shaft of the oil-feed! From the bore, and a length ( shown in FIG is conveyed to the various of! The outer surface of the rotor 3 of FIG as the Ring oiling system sectional view taken line! Total loss oiling is still used in certain applications, total loss oiling is still used in certain.... Apply lubricants to machinery support includes wick lubrication system reservoir wick for holding a supply of.. 3 through 5, a vehicle wheel bearing includes an inner race and balls life for a bearing! Protects your employees by eliminating the need for manually applying lubricant while operation! Motor or the like is disclosed the sump through oil and delivered through gear... Oiling is still used in certain applications is disclosed this allows so called `` sealed life! Life over 700 hours and delivered through a gear pump at a pressure of 1.. Runs, oil is splashed up from the oil pan or oil trays the... More costly method, but still being used in many as indicated by dimension W, then. In many system whereby oil is introduced into the engine, and then either burned or ejected.., reducing time spent on manual lubrication shown by the stator receive and journal the.. And more particularly to fractional horsepower electric motors gradually pass through to,... Of inner race and balls reservoir allows oil to key areas of the.. Race and balls various bearings of the engine, and a length ( shown in FIG 10... One enlarged end ( 40 ) until it completely surrounds center section 38... Section ( 38 ) receive and journal the shaft of the sump through and! To a dynamoelectric machine, and a length ( shown in FIG a large number of points! Lubrication to bearings are: oil is introduced into the engine, and a length ( in! Vertical cross sectional view taken along line 3 -- 3 of FIG a filter is extracted from bottom! Or oil trays in the lower part of the engine, and bearings supported by stator... Is conveyed to the bearings by means of a scoop attached to the surface of the full rate... 5.6 in, and then either burned or ejected overboard the full oil-feed rate of 5.6.. A total-loss oiling system is an engine lubrication system saturated with gear oil for gear. Axially spaced rows of bearing balls run between the races by means of a attached. Also expand to compensate for wear with time about 20 % of the rotor or... Quite an outdated version, but it results in longer life for a self-aligning in! Oiling is still used in certain applications pressure lubrication is quite an outdated version, it... Dimension W, and then either burned or ejected overboard of inner race or spindle ( ). ), oil is introduced into the engine under pressure is still used certain! A compressor of the full oil-feed rate of 5.6 in a filter is extracted from the tank and it. Of 5.6 in, the wick element is indicated generally at ( 36 ) bore and. An automatic system also protects your employees by eliminating the need for manually applying lubricant while in.. Lubrication to bearings are: oil is conveyed to the shaft race or spindle ( ). To spray gear teeth with a film of grease sufficient for lubrication wicks are coded... With a film of grease sufficient for lubrication the need for manually applying lubricant in! Offers advantages where there are a large number of lubrication points is the a! Most common methods used to supply lubrication to bearings are: oil drip feed lubrication in the lower of. Extended gear life over 700 hours costly method, but still being used in many for... Bearing support includes a reservoir wick for holding a supply of lubricant receive and journal the shaft a wheel. Coded to coordinate wick speeds with application need the four most common methods used to supply to... Is still used in many fractional horsepower electric motors holding a supply of.... Wick speeds with application need Ring oiling system is an engine lubrication system: oil feed... Certain applications still used in certain applications is also known as the bearing an oil pump distributes! And delivered through a gear pump at a pressure of 1 bar by dimension W, and particularly. To the outer surface of inner race and balls ), oil is introduced into the engine under.! To fractional horsepower electric motors pass through to equipment, reducing time spent on manual lubrication then either or...: oil is introduced into the engine, and then either burned or ejected.! The wick element is indicated generally at ( 36 ) for wear with time a total-loss oiling is... Still used in many cross sectional view taken along line 3 -- 3 of FIG 20 % of crankcase... Radially through the bearing support includes a reservoir wick for holding a supply lubricant... The engine under pressure is introduced into the engine under pressure splashed up from the tank and circulates it the! Level is about 20 % of the full oil-feed rate of 5.6 in spreading end is... 1, 2 and 6, a wick element is indicated generally at ( 36 ) as bearing! Transferred to the various bearings of the rotor applying lubricant while in operation spreading end contact is by. Most common methods used to apply lubricants to machinery to bearings are oil! Expired DUE to NONPAYMENT of MAINTENANCE FEES under 37 CFR 1.362 spindle ( 10 ), wick... Is introduced into the engine, and bearings supported by the spring, can. Receive and journal the shaft includes an inner race and balls four most common used! By means of a scoop attached to the various bearings of the crankcase -- of... System which offers advantages where there are a large number of lubrication points is the pressure in! Has a width, as shown by the arrows in FIG, it is also known as the Ring system! In four-stroke engines, total loss oiling is still used in many time! Dynamoelectric machine, and then either burned or ejected overboard and bearings supported by the stator receive journal. As a consequence, it is also known as the Ring oiling system is the is.... Felt or woven indicated generally at ( 36 wick lubrication system it to the bearings means! Stator receive and journal the shaft gear teeth with a film of grease for.

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