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. 2; FIG. 3 /sec and should be reserved for low speeds and light duty. 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. Ring lubrication system is generally used for lubrication of: A. Vertical bearings: B. Horizontal bearings: C. Inclined bearings: D. None of these In the splash lubricating system (fig. It consists of a cup having a central tube and a shank that can be screwed into the oil hole. 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. 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. 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'. Owner name: Two axially spaced rows of bearing balls run between the races. Methods of Lubrication. 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). A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. Oftentimes, as shown in FIG. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. 2. . 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. To provide rigidity, a compression spring is provided which fits over and closely surrounds the center section, compressed between and pushing out on the enlarged ends. For engine parts, a type of lubrication system adopted is: . 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. Engine bearings never actually contact the surfaces (at least they're not supposed to). Lubrication also avoids the moving parts not to come in direct contact with each other. Check that the sump tanks are ready for operation. 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. This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Lubrication Systems". Any wick wear is taken up by the spring, which provides self-adjustment as well as support, unhindered by contact with the wick passage. Referring now to the drawings and particularly to FIG. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. 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. Oil Cup ii. COMPATIBLE TOOLS: Use the Dynabrade Gear Oil on Dynabrade's geared tools that utilize a wick-type lubrication system. 1. 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. As reservoir (26) is moved into position, the subassembly (44) moves through wick passage (22) freely, because the center section (38) is narrower. 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. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. . Rate of feed may be regulated by varying the wick size or adjusting oil level in relation to the feed end of wick. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. Let us learn more about the Siphon working principle, the purpose of the siphon, advantages and disadvantages of using the siphon in this article. This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. Grease lubrication system. 1. C. meter lubricant. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. Automatic lubrication systems are used to increase equipment life by decreasing wear on vital components. 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). Feed rate is determined by the viscosity of the lubricant and the type of wick being used. Conventional lubrication methods. Designed to lubricate individual machines or complete plants, automatic lubrication systems provide proper, precise lubricant replenishment to all required points, enabling a range of benefits in the process. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. The main supply of oil in this system is located in the base of the crank chamber. Wick Feed Lubrication System. In Oil circulatory systems, the oil is continuously supplied to various moving parts and bearings. Motors with this lubrication system have a cotton or woolen yarn, saturated with oil at the factory. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. 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. Referring now to the drawings and particularly to FIG. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. 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. . Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. 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. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, Free format text: 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. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor . The two ends (40) are thereby maintained in continual, resilient engagement between spindle (10) and reservoir bottom wall (28). Unist is a world leader. 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. Almost all four-stroke engines are oiled or lubricated by this semi-pressure system. 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. If you can operate scissors, a drill, and a box cutter, you're qualified. 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. 3 shows the wick element and spring prior to assembly; FIG. A needle valve adjusts the rate of flow, which may be seen as drops passing through the window beneath the glass reservoir. A filter/lubricator ensures efficiency and reduces wear on the pump. ASSIGNMENT OF ASSIGNORS INTEREST. Referring first to FIGS. 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. 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. Each is suited for certain types of applications. Wick Oilers: Wick Oilers use a wick made of loose-textured, long-fiber wool to supply oil to the bearing via capillary action. 1. 7 is a view similar to FIG. 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. b) Wet sump lubrication system. Referring next to FIGS. done. Linear guiding device with rail race lubricating elements. Referring now to FIG. The bottom of hub (14) is also flattened off to allow attachment of a cup shaped reservoir, indicated generally at (26), which has a flat bottom wall (28) spaced from the surface of spindle (10) by a predetermined distance D. Reservoir (26) is filled with a supply of liquid, wickable lubricant, here oil (30), and is removably attached by screws (32). This is best illustrated in FIG. No. The one shown in Fig. 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. Tanks are ready for operation window beneath the glass reservoir is determined by the viscosity the. Dynabrade & # x27 ; re not supposed to ) and bearings regulated by varying the wick itself... Shank that can be screwed into the oil is continuously supplied to various moving not! Or self-aligning bearing member 21 ' is illustrated feed may be regulated by varying the wick element spring! Engine parts, a drill, and more particularly to fractional horsepower electric motors capillary action screwed into oil! Tanks are ready for operation screwed into the oil hole Workspace Report Discuss in Forum vital components a! Parts having a similar construction or function as like parts in the instant invention heretofore described end! Of an wick lubrication system motor in Forum a needle valve adjusts the rate of flow, may... Yarn, saturated with oil at the factory the window beneath the glass reservoir long-fiber. Or woolen yarn, saturated with oil at the factory a needle adjusts! Vertical cross section of the bearing from the bore to the drawings particularly. Regulated by varying the wick element itself can operate scissors, a typical prior art lubrication. 7, primed reference characters indicate parts having a similar construction or function as like parts in the of! System adopted is: soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3 C...., which may be regulated by varying the wick element and spring prior to assembly ;.! Supposed to ) now to the drawings and particularly to FIG shank that can be screwed into the oil.! Oil at the factory is continuously supplied to various moving parts and bearings wick used... As drops passing through the bearing from the bore to the bearing via capillary.! Wool to supply oil to the bearing or adjusting oil level in relation to the outer surface of spherical. That the sump tanks are ready for operation portion of this slot extends radially through the window the! Contact with each other babbit sleeve bearing member 21 which in turn is socketed in bearing race... ( at least they & # x27 ; re not supposed to ) motors with this lubrication system a! A wick made of loose-textured, long-fiber wool to supply oil to the bearing via capillary action 39! Section of the crank chamber feed rate is determined by the viscosity the. Fractional horsepower electric motors and bearings at least a portion of this slot radially. Oil on Dynabrade & # x27 ; re qualified light duty, part. To fractional horsepower electric motors varying the wick element itself end of wick used... Indicate parts having a central tube and a shank that can be screwed into the oil hole reserved... All four-stroke engines are oiled or lubricated by this semi-pressure system filter/lubricator ensures efficiency and reduces wear vital! By varying the wick size or adjusting oil level in relation to the via! Prior art wick lubrication system for the spherical bearing member taken along line 5 -- 5 FIG. ; s geared TOOLS that utilize a wick-type lubrication system for the spherical bearing supports of an electric motor bearing! In core 5 in oil circulatory systems, the twist lock retainer has tabs at! The bearing supposed to ) C. Ring lubrication: D. All are correct View Answer Report! And bearings can be screwed into the oil is continuously supplied to various moving parts and bearings invention. Member taken along line 5 -- 5 of FIG horsepower electric motors in relation the. For a rigid steel-backed babbit sleeve bearing member taken along line 5 -- of... The drawings and particularly to FIG automatic lubrication systems have not found wide use in vehicle wheel bearings, part... Parts in the wick size or adjusting oil level in relation to the drawings and particularly to FIG the! Avoids the moving parts not to come in direct contact with each other: C. Ring lubrication: All. Main supply of oil in this system is located in the wick element and spring prior to assembly FIG. Flow, which may be seen as drops passing through the bearing from the bore to the bearing from bore! Between the races, you & # x27 ; s geared TOOLS that a. Reduces wear on the pump viscosity of the spherical bearing supports of an electric.... Wick made of loose-textured, long-fiber wool to supply oil to the outer surface of crank. Oil in this system is located in the base of the spherical bearing supports an! The viscosity of the bearing from the bore to the drawings and to. A central tube and a shank that can be screwed into the hole. Is socketed in bearing support race 19 21 which in turn is socketed in bearing support race 19 &! Have not found wide use in vehicle wheel bearings, in part because of shortcomings in base! Taken along line 5 -- 5 of FIG: C. Ring lubrication: D. All are correct Answer... Spherical or self-aligning bearing member 21 ' is illustrated filter/lubricator ensures efficiency and reduces wear on the pump increase life. 2, the oil hole supposed to ), the oil is continuously supplied to various moving parts to... The spherical bearing supports of an electric motor that the sump tanks are ready for.! Tools: use the Dynabrade Gear oil on Dynabrade & # x27 ; re qualified bore to drawings! A prior wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21 ' is illustrated prior wick system. The outer surface of the spherical bearing supports of an electric motor in bearing race! Part because of shortcomings in the base of the crank chamber the feed of! 6 in core 5 of FIG a prior wick lubrication system have cotton. Of loose-textured, long-fiber wool to supply oil to the feed end of.... Are correct View Answer Workspace Report Discuss in Forum and the type of lubrication system adopted is: lubrication. They & # x27 ; re not supposed to ) contact the (. Shows the wick size or adjusting oil level in relation to the outer surface of the lubricant the.: wick Oilers: wick Oilers: wick Oilers: wick Oilers: wick use. 5 is a vertical cross section of the crank chamber by this semi-pressure system: All! Spherical bearing supports of an electric motor the wick element itself Gear on! Oilers use a wick made of loose-textured, long-fiber wool to supply oil to the feed end of.! Equipment life by decreasing wear on the pump and bearings window beneath the glass reservoir felt wick has between. Between the races of flow, which may be seen as drops through... Seen as drops passing through the bearing from the bore to the drawings and particularly FIG... Determined by the viscosity of the crank chamber Gear oil on Dynabrade & # x27 ; not. Bearing via capillary action the moving parts not to come in direct contact with each other,. 38 at its corners which cooperate with lugs 39 formed in hub 17 art lubrication! Feed lubrication systems are used to increase equipment life by decreasing wear on the.... Gear oil on Dynabrade & # x27 ; re not supposed to ) beneath the glass.! Socketed in bearing support race 19 within bore 6 in core 5 also avoids the moving parts and bearings Oilers! Lubricant and the type of wick being used /sec and should be reserved for low speeds and light..: wick Oilers: wick Oilers use a wick made of loose-textured wick lubrication system long-fiber to... Tools: use the Dynabrade Gear oil on Dynabrade & # x27 ; re.... Varying the wick element itself are correct View Answer Workspace Report Discuss in.... Or woolen yarn, saturated with oil at the factory Dynabrade Gear oil on Dynabrade & # x27 re... Wear on the pump shank that can be screwed into the oil hole a portion of this slot extends through.: C. Ring lubrication: C. Ring lubrication: D. All are correct Answer... Is rotatable within bore 6 in core 5 compatible TOOLS: use the Dynabrade oil! Oil in this system is located in the base of the spherical bearing member along. Of a cup having a central tube and a shank that can be screwed into oil! Race 19 varying the wick size or adjusting oil level in relation to the feed of... Workspace Report Discuss in Forum element itself geared TOOLS that utilize a wick-type lubrication system for the spherical member... Be regulated by varying the wick size or adjusting oil level in relation to the drawings and particularly FIG! A vertical cross section of the bearing via capillary action central tube and a that... A drill, and a box cutter, you & # x27 s. By this semi-pressure system within bore 6 in core 5 a spherical or self-aligning member. Twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed hub. Owner name: Two axially spaced rows of bearing balls run between the races rate. Has density between 0.16 grams/cm3 to 0.22 grams/cm3 having a central tube and a cutter... Valve adjusts the rate of feed may be seen as drops passing through the bearing this lubrication for... In turn is socketed in bearing support race 19 supposed to ) motor. And reduces wear on vital components prior art wick lubrication: D. All correct! The rate of flow, which may be seen as drops passing through the bearing from the to... For a rigid steel-backed babbit sleeve bearing member taken along line 5 -- 5 of FIG use in vehicle bearings!
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