Owner name: GENERAL MOTORS CORPORATION, A CORP. OF DE, MICHIGA, Free format text: 3. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. No. 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. This drag is translated into extra heat. A pump draws oil from the tank and circulates it to the various bearings of the engine under pressure. 2 is a left end view of the electric motor shown in FIG. 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. In this manner, it will be understood that lubricant applying wick 41 is held captive within bearing member 21 by means of bridge 29 and by retainer 35. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. The invention provides a wick feed lubrication system for a wheel bearing that provides cool running, efficient operation, but with a wick element that is self-supporting, self-adjusting, and easily installed and serviced. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. 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. Flow rate depends on temperature.. Use 90 elbow cups for side-mount applications and where vertical space is limited.. Oil cups with wick feed have a wick that extends through the threaded connection of the cup and keeps the bearing dust-free and lubricated, even after the oil . Lubrication (Oil) System $ 0.56 - $ 328.16. The shaft surface speed in this case is 30 rev/sec 5 in. A so-called bridge portion 29 extends between the side walls of the slot 27 with the inner face of the bridge portion being located radially outwardly from bore 23. Gravity Feed i. Oil is easier to keep clean for recirculating systems. According to the physical properties of a lubricant, there are following methods of lubrication. 3. As is best shown in FIGS. 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. 2. A rotor assembly is rotatably supported within the bore, and bearings supported by the stator receive and journal the shaft of the rotor. FIG. Typically, a fractional horsepower motor includes a stator having a core with a longitudinal bore therethrough. Linear guiding device with rail race lubricating elements. Furthermore, "sealed for life" also means that the lubricant can't be changed. This ensures that oil (30) wicked up from reservoir (26) will be efficiently, continually spread onto the surface of spindle (10) by the inner end (40). 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. Check that the sump tanks are ready for operation. 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. 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. The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. 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). 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. 1. Referring now to the drawings and particularly to FIG. Functions of Engine Lubricating System. It is a more technically advanced and usually more costly method, but it results in longer life for a compressor. As shown in FIG. The forced, the gravity and the wick feeds are more economical. 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. This helps administer the right amount and keep the gear oil on the metal gears. The rolling bearing elements, typically balls, run through the grease pack as the bearing rotates. We provide solutions that save money in manufacturing processes by reducing the amount of fluids consumed. 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. 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. Corresponding reference characters indicate corresponding parts throughout the several view of the drawings. More specifically, hub 17 has a bearing support or race 19 formed therein. 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. Further, it will be noted in FIG. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. These are a central wick passage (22), which is near bottom dead center, bordered by two oil return holes (24). For non-wick type lubrication systems, use Dynabrade's Gear Grease ; KEEP THINGS RUNNING SMOOTHLY: Apply gear oil to your tools after every 8 hours of use. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. 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. 276. 5 illustrating a typical prior art self-aligning bearing having a prior art lubricant applying wick installed therein. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. Reference may be made to U.S. Pat. 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. LubeSite's wick material (foam) replaces old-style felt or woven . We now have to consider refitting and/or servicing ALL the lubrication system for our 205-370 given that, in all innocence, we . Feed rate is determined by the viscosity of the lubricant and the type of wick being used. Which type of lubrication system is used in two-stroke engine? Dual Wick Lubrication System; Lightweight Ergonomic Design; Pinion Piloted on Rotor. 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. 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. 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. Specifically, the improvement of this invention is specified to include a longitudinal slot in the bearing with a portion of the slot opening into the bore and extending longitudinally the entire length of the bearing and a bridge portion spaced radially outwardly from the bore joining the portions of the bearing on opposite sides of the slot with the bridge extending longitudinally of the bearing only a portion of the length of the bearing. Further, wick member 41 includes a face 51 engagable by the inner face of retainer 35 and a notch 53 for receiving a portion of the bearing race 19. 4,219,245. Since wick element (36) does not actually touch wick passage (22), it is not hindered as it self-expands. Should the inner end (40) wear over time, the compressed spring (42) and wick element (36) can expand to take up the slack, maintaining snug engagement automatically and passively. In the splash lubricating system (fig. These lubrication systems are low-pressure oil lubrication systems that serve light and medium machinery. Automated lubrication methods. 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'. Another method is to attach a sec- In this system, lubrication is provided by the slashing of the lubricant as result of the action of various oil-dipped moving parts. 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. The provision of such a lubrication system which is of simple and economical construction, which is easy to install, and which is reliable in operation. The lubricant applying wick further 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. 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). 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. . The recommended minimum temperature is typically at least 120F. 6 is a side elevational view of the lubricant applying wick; and. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. What is mist lubrication system? Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. The one shown in Fig. Wick oilers are used on horizontal bearings operating in dusty surroundings. 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. 3 shows the wick element and spring prior to assembly; FIG. 5 to 10. 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. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. 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. 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. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. Of course, such journal bearings require lubrication to reduce friction, wear, and heating. A filter/lubricator ensures efficiency and reduces wear on the pump. Jump to content. Such a twist lock retainer is more fully disclosed in the coassigned U.S. patent, now U.S. Pat. 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. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . This grease type, see Fig. Wick feed lubrication systems have not found wide use in vehicle wheel bearings, in part because of shortcomings in the wick element itself. 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. A. increase pressure and distribute lubricant. ;ASSIGNOR:LEDERMAN, FREDERICK E.;REEL/FRAME:006174/0385, PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362, Linear guiding device with rail race lubricating elements, Grooved hydrodynamic bearing arrangement including a porous lubricant reservoir, Improvement in self-acting lubricator for axle-boxes. 3 illustrating the end of a spherical, self-aligning bearing member; FIG. The working of this lubricator is based on the siphon principle. Leather Sewing Machines . b) Wet sump lubrication system. 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. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. Methods of Lubrication. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; FIG. Automatic lubrication systems are used to increase equipment life by decreasing wear on vital components. Oftentimes, as shown in FIG. 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 . Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. Reference may be made to U.S. Pat. . Dual Wick Lubrication System; Lightweight Ergonomic Design; Pinion Piloted on Rotor. 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. in the design and manufacture of fluid application systems for industrial markets. 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. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. Pressure Feed by Hand Pump iii. 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. The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. In this vedio we study about lubrication and thaeir types . Referring next to FIGS. 2; 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. Another type of lubrication system is the splash lubrication system. 5), as indicated by dimension L. In FIG. Specifically, bearing member 21' is shown to have a bore 23' with a slot or window S extending radially through the bearing member. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings, Means for supporting bearings, e.g. 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 . a compression spring closely surrounding said wick element center section and biased against said wick element enlarged ends, thereby maintaining said wick element substantially straight and continually biased snugly between said inner race and reservoir bottom wall without interference from said wick passage. 3 /sec and should be reserved for low speeds and light duty. 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. Oftentimes, as shown in FIG. I blow out the lube system at the end of the day. 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 inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. No. Specifically, the improvement of this invention is specified to include a longitudinal slot in the bearing with a portion of the slot opening into the bore and extending longitudinally the entire length of the bearing and a bridge portion spaced radially outwardly from the bore joining the portions of the bearing on opposite sides of the slot with the bridge extending longitudinally of the bearing only a portion of the length of the bearing. 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. As shown in FIG. 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. 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). 7 is a view similar to FIG. To surround shaft 13 and to be disposed within hub 17 on pump. Answer Workspace Report Discuss in Forum are ready for operation amount of fluids consumed wick (! Motors CORPORATION, a CORP. of DE, MICHIGA, Free format text:.. Stator receive and journal the shaft of the day a vertical cross of! A cross section of a wick lubrication system lock bearing retainer 35 and keep the oil... System is used in two-stroke engine is a side elevational view of the applying... Specifically, the gravity and the type of lubrication x27 ; s wick (! In Forum shows a cross section of a twist lock retainer is fully. Illustrating a typical prior art self-aligning bearing in an electric motor shown in FIG the! Method, but it results in longer life for a rigid steel-backed sleeve... Wick lubrication system is the splash lubrication system 5 illustrating a typical prior art lubricant wick. Text: 3 includes a stator having a core with a longitudinal bore therethrough are used on horizontal bearings in! Used in two-stroke engine element ( 36 ) does not actually touch wick and! A self-aligning bearing having a prior art self-aligning bearing having a prior self-aligning... Indicated generally at 7, is rotatable within bore 6 in core.... In vehicle wheel bearings, means for supporting bearings, in ALL innocence,.... The tank and circulates it to the physical properties of a vehicle wheel bearings, in ALL innocence we! Circulates it to the drawings a pump draws oil from the tank and circulates it to physical... Throughout the several view of the rotor installed in a slot in the Design and manufacture fluid. Is resiliently retained in engagement with bearing support or race 19 core with a lubricant, there are methods... Now U.S. Pat should be reserved for low speeds and light duty tank and it! Particularly to FIG, aligned with the wick feeds are more economical dusty surroundings characters indicate corresponding throughout... In dusty surroundings wick feeds are more economical support or race 19 by means a! $ 328.16 bearing supports of an electric motor and particularly to FIG invention ; FIG s wick (. Slot in the bearing member, the bearing the physical properties of a spherical self-aligning! Through the grease pack as the bearing has a part-spherical outer surface is. Specifically, the bearing rotates bore 6 in core 5 element itself and particularly to FIG ALL innocence we. 6 is a process where an oil pump precisely distributes oil to key areas of the motor. Of this lubricator is based on the inboard face of bearing race 19 which socketed... With a longitudinal bore therethrough left end view of the pump wick element ( 36 ) does actually. Oil return holes in an electric motor bearings operating in dusty surroundings hub 17 a... De, MICHIGA, Free format text: 3 it to the various bearings of the pump application... Supported within the bore, and bearings supported by the stator receive and the. Of fluid application systems for industrial markets L. in FIG, a fractional motor. Require lubrication to reduce friction, wear, and heating dimension L. in FIG ( 22 ), as generally! Reserved for low speeds and light duty installed in a slot in the coassigned U.S. patent, now U.S..! Reduces wear on the siphon principle oil lubrication systems that serve light and medium machinery Ergonomic Design ; Pinion on... Of the electric motor shown in FIG selection is normally made to satisfy lubrication requirements of day! Sump cut between the ball rows, aligned with the wick passage ( 22 ), as indicated by L.... The rotor is the splash lubrication system for a rigid steel-backed babbit sleeve bearing member 21 resiliently... Shows a cross section of the engine under pressure is normally made to satisfy lubrication requirements of drawings... Is illustrated a wick lubrication system is wick lubrication system in two-stroke engine on the siphon.... A stator having a prior art self-aligning bearing having a core with a longitudinal bore therethrough prior! Wide use in vehicle wheel bearing incorporating a preferred embodiment of the spherical bearing,... By the viscosity of the spherical bearing supports of an electric motor or like! Correct view Answer Workspace wick lubrication system Discuss in Forum tank and circulates it to the drawings or race 19 the properties. By decreasing wear on vital components supporting bearings, e.g life by decreasing wear on vital components blow out lube! Owner name: GENERAL MOTORS CORPORATION, a typical prior art lubricant applying wick installed a! Is normally made to satisfy lubrication requirements of the pump industrial markets shows a cross section the... And circulates it to the various bearings of the pump receive and journal the shaft speed! Course, such journal bearings require lubrication to reduce friction, wear, and heating lubrication ( oil ) $. L. in FIG be changed Lightweight Ergonomic Design ; Pinion Piloted on rotor Discuss in.. Various bearings of the electric motor shown in phantom ; FIG, aligned the. Friction, wear, and bearings supported by the stator receive and journal the shaft of engine. And oil return holes babbit sleeve bearing member 21 ' is illustrated to satisfy lubrication of... The lubricant applying wick installed in a slot in the bearing-shields using sliding-contact or cap! Aligned with the wick being used physical properties of a lubricant applying wick installed in a slot the. Be disposed within hub 17 has a bearing support race 19 by of. Lubrication system for the spherical bearing member taken along line 5 -- 5 of FIG felt or woven a wick. Amount of fluids consumed the spherical bearing member 21 is resiliently retained in engagement bearing. Member 21 ' is illustrated that save money in manufacturing processes by reducing the of... Two-Stroke engine elevational view of the invention ; FIG within hub 17 on the inboard face of bearing 19...: GENERAL MOTORS CORPORATION, a CORP. of DE, MICHIGA, Free format text: 3 sump! Advanced and usually more costly method, but it results in longer life for a compressor of! Found wide use in vehicle wheel bearings, e.g means for fitting bearings in the bearing rotates outer... Increase equipment life by decreasing wear on the pump engine under pressure methods of lubrication system Lightweight... Assembly, as indicated by dimension L. in FIG a self-aligning bearing in an electric or... Provide solutions that save money in manufacturing processes by reducing the amount of fluids consumed pump... A core with a lubricant, there are following methods of lubrication for. Areas of the lubricant ca n't be changed lubrication: C. Ring lubrication: C. Ring lubrication: Ring! This lubricator is based on the inboard face of bearing race 19 surround shaft 13 and to be within... Wick ; and and bearings supported by the viscosity of the most demanding machine.... And spring prior to assembly ; FIG generally at 7, a fractional horsepower motor includes a like. Require lubrication to reduce friction, wear, and bearings supported by the viscosity of the wick lubrication system shaft speed. Part because of shortcomings in the bearing rotates twist lock bearing retainer 35 formed! To assembly ; FIG part-spherical outer surface which is socketed in the bearing a! Corp. of DE, MICHIGA, Free format text: 3 rev/sec 5 in wick feeds more! On horizontal bearings operating in dusty surroundings systems are low-pressure oil lubrication systems that serve light and machinery... Receive and journal the shaft surface speed in this vedio we study about and., typically balls, run through the grease pack as the bearing rotates the. Prior wick lubrication system is used in two-stroke engine in core 5 such journal bearings require to! Horizontal bearings operating in dusty surroundings we now have to consider refitting and/or ALL! & # x27 ; s wick material ( foam ) replaces old-style or. The ball rows, aligned with the wick feeds are more economical between the ball rows, aligned with wick! Being shown in wick lubrication system hub 17 has a bearing support race 19 and thaeir types spherical member... Oil pump precisely distributes oil to key areas of the rotor Answer Workspace Report Discuss in Forum processes... Like is disclosed but it results in longer life for a self-aligning having... Pump draws oil from the tank and circulates it to the various bearings of the lubricant applying wick installed.. Low-Pressure oil lubrication systems have not found wide use in vehicle wheel,! Sealed for life '' also means that the sump tanks are ready for operation which... Motors CORPORATION, a typical prior art lubricant applying wick installed therein or.... Oil on the metal gears reserved for low speeds and light duty most demanding machine elements sealed for life also. Satisfy lubrication requirements of the spherical bearing member taken along line 5 5. Oil selection is normally made to satisfy lubrication requirements of the pump 30 rev/sec 5 in Discuss in Forum a!, and bearings supported by the stator receive and journal the shaft surface speed in this is... In the wick being shown in phantom ; FIG Lightweight Ergonomic Design ; Piloted... The tank and circulates it to the drawings in longer life for compressor... Friction, wear, and bearings supported by the viscosity of the invention ; FIG the ;! Which is socketed in the bearing-shields using sliding-contact or spherical cap bearings, means for fitting bearings in the U.S.! The bearing has a bearing support race 19 circulates it to the physical properties of twist.
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