Submersible water-filled synchronous generator of vertical design |
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IPC classes for russian patent Submersible water-filled synchronous generator of vertical design (RU 2483417):
 Plain thrust-journal bearing on shaft driving end of asychronous machine of vetohin for oil-and-gas wells (amv ogw) / 2449455
Creation of multipurpose high-loaded thrust-journal bearing on shaft driving end of submersible electric motor of vertical open design is executed using inserts made of high-density frictionproof powder material. Asynchronous machine (AMV OGW) contains housing (1), shaft (2) with collar (3) on driving shaft end and having thrust surfaces (4) and (11) at both sides which surfaces function as moving sliding surfaces (4) for pump, (11) for drilling gear. For immovable parts of bearing, inserts (6) and (10) are used which are made of high-density frictionproof powder material with the same sliding surfaces (4) and (11) allowing motor to work with its driving end up for pump driving and down - for drilling gear driving. Cooling of bearing sliding surfaces is executed by fluid environment through holes (13) and (14) in the housing (1) and through free gaps (7), (15), (16), (17) between the housing (1) and the shaft (2).
 Radial thrust plain bearing on idle shaft extension of vetockhin induction motor for oil-and-gas wells / 2444831
Downhole induction motor shaft idle extension supports radial thrust plain bearing to make rotor aligned with stator bore and keep working clearance between rotor and stator invariable. Proposed induction motor comprises housing 1, end shield 4, shaft 6 with idle extension provided with moving thrust sleeve 8 that has thrust sliding surface 9 radial sliding surface 10. Fixed bearing insert 11 made from high-density powder material and having similar sliding surfaces 9 and 10 is tightly fitted in cylindrical recess of said bearing shield. Sliding pairs are cooled down via free clearance 12 and bearing shield holes 13. Cooling water is fed outside via holes 14 and 15 in housing 1.
 Submersible oil-filled motor of oil-well centrifugal pump with adjustable axial support / 2320897
Proposed submersible electric motor has axial support consisting of step secured on shaft and step bearing with upper, central and lower members, inner base member whose inner surface encloses at least pert of upper member of step bearing, and elastic ring enclosing side surface of upper member. Cavity is made on lower surface of upper member which accommodates upper part of central member. Cavity is made on upper surface of lower member which accommodates lower part of central member of step bearing. Upper member of step bearing rests on central member. Axial support is made for axial displacement with subsequent fixing in working position. Lower and upper members of step bearing are secured to prevent rotation relative to shaft axis. Projecting part of elastic ring is pressed to inner surface of inner base member. Central member is made and arranged to provide parallelism of working surfaces of step bearing and step at angular displacements of axis of electric motor shaft.
 Plain bearing of vertical-shaft water-wheel generator / 2283972
Proposed plain bearing for vertical-shaft water-wheel generators has segments mounted in its housing and shaft-mounted bushing. Bottom butt-end of bushing carries rectangular-section ring assembled of two or more parts with radial slots uniformly disposed over circumference at bushing butt-end. Slots and butt-end surface of bushing form radial holes designed to force lubricant to friction zone.
 Electric motor / 2264021
Proposed motor has frame, armature shaft and its support installed in outwardly inaccessible motor frame seat and locked in position within seat in axial direction by means of locking or latching joint depending on design alternate. Frame has flexible tongue with locking or latching projection on loose end of tongue. As an alternative, armature shaft support is locked in seat by caulking on external end of seat. In this way armature shaft support is easily locked within frame when being installed in frame seat and can be pre-fitter onto armature shaft. Seat can be made outwardly inaccessible as armature shaft support is locked automatically.
 Submersible motor / 2206950
 Electric stepper micro / 2180983
The invention relates to the field of electrical engineering, in particular to single-phase auto-synchronous motors with permanent magnets used as a single-phase stepper motors
 The drive spindle of the disk / 2092957
The invention relates to the field of electrical engineering and can be used in bearing cartridges with grease based magnetic materials
 Electric machine / 2042251
The invention relates to electrical engineering and applies measures to eliminate the consequences of bearing wear
 Brushless motor / 2038674
The invention relates to electrical engineering, in particular to designs brushless microelectrophoresis DC, intended for driving actuators, drives, magnetic disks, VCR
 Electrical machine / 2476974
In an electric machine, comprising a closed body, a rotor, a stator with a winding and a container arranged in the body cavity with a moisture absorber of absorption action, according to this invention, the specified container is made in the form of a pipe filled with a moisture absorber, which with one end is connected with a through hole in the stator body, in which an air permeable cap is installed, and on the other end of the pipe there is a dust filter.
 Power generator of well beam unit / 2472278
Rotation of a counterweight of a cranking mechanism of a beam unit (BU) is proposed for transformation into rotary motion of a power generator stator around a rotor preserving the required weight characteristic of the transformed counterweight - power generator. According to this invention, the power generator stator is installed as capable of free rotation on the power generator axis around the rotor, and the rotor with the power generator axis is fixed in the lower part of a vertically located carrier, which in its upper part is installed as capable of free rotation on the horizontal axis of the outer master wheel, and due to gravity, is permanently in the vertical position, at the same time the master wheel is fixed in the cranking rod of the BU, and the stator serves as an inner slave wheel with smaller diametre and rotates several times faster than a cranking rod due to the fact that a master wheel rotates together with the cranking rod.
 Downhole generator / 2453698
Proposed generator comprises protective casing, connector assembly, at least one attachment assembly, rotor with hydraulic turbine and permanent magnets, and excitation winding. Said excitation winding is fixed inside said protective casing. Disk is attached to rotor. Tight inducting baffle is arranged between permanent magnets and excitation winding. Said baffle comprises inducting parts. Note here that generator comprises, at least, one compensator of pressure and thermal expansion with compensation piston. Piston is sealed relative to protective casing. Note also that chamber under compensation piston communicates via openings with chamber accommodating rotor while chamber above compensation piston communicates via holes with ambient medium. Note that compensation piston is spring loaded toward the side opposite hydraulic turbine to create surplus pressure in chamber accommodating rotor.
 Electric motor drive / 2442268
FIELD: electrical engineering. SUBSTANCE: applied electric motor drive comprises a hull, a torque motor installed in the hull's straight boring, a sealed casing protecting the boring, a sealed electric coupler and an axisymmetric bracket. The sealed casing is installed in axial alignment with axisymmetric bracket, which is fitted with a disc. This disc has an aperture where the sealed electric coupler is positioned. The sealed casing has a centre bore for the bracket's disc, furthermore, a radial seal is installed between the disc's cylindrical surface and the centre bore. EFFECT: potential use in space engineering where it will improve the manufacturability of such devices. 1 dwg  Submersible oil-filled electric motor / 2423774
In an electric motor cavity, during the whole period of operation, the excessive pressure of dielectric oil is maintained, and the electric motor disconnects at full flow of dielectric oil with preservation of serviceability, for this purpose there is a body attached to the lower part of the electric motor stator, and inside the body there is a piston with a circuit breaker, a spring on a movable support, which is connected to a drive of the movable support, and the stator winding "star" is arranged is detachable. When the drive lifts the movable support, compressing the spring, the piston develops the excessive pressure, and at the full flow of oil, the piston with the circuit breaker lifts to the winding "star" and breaks the electric circuit of the stator winding, as a result of which the electric protection actuates.
 Totally-enclosed electrical machine with stator cooled with liquid / 2395149
Electrical machine includes stator (S), rotor (R) and closed housing (K) which seals rotor (R) relative to stator (S). For effective cooling, the stator has liquid cooling device with the appropriate stator cooling circuit (SK), and closed housing (K) forms some part of external wall of closed cooling circuit (SK). At that, according to invention, rotor (R) is streamlined with process medium; between process medium and cooling liquid of stator (S) in closed cooling circuit (SK) there located is compensation device (A) for pressure balancing, which has electric control for active pressure balancing, and cooling liquid of liquid cooling device is the liquid containing compound ether.
 Facility for hydraulic protection of submersible oil-flooded electric motor / 2394332
Facility for hydraulic protection consists of case (4) with end sealing, of internal chambers, of labyrinth section, of compensation section (27), of dump valve (28), of abutment and of radial and axial bearings. Support (6) resting on nipples (7) connecting the case is positioned in the section of labyrinth coaxially to a shaft. Support (6) has at least two lengthwise channels (16) and (17). Labyrinth cavity (11) is formed around support (6) between disks (10) with sealing (21, 22) along the case and support; rotating self-placed lower and upper cams with circular channels (14) and (15) are arranged inside the cavity. Circular channels (14) and (15) made around support (6) communicate with lengthwise channels (16) and (17). Cams (12) and (13) rotate around their axes under gravity force by means of rings (23) fixed against travel along axis of support (6); the cams have sealing (26) on ends. Circular channel (14) of lower cam (12) is connected with labyrinth cavity (11), while circular channel (5) of upper cam (15) is connected with beyond labyrinth cavity (20).
 Submersible motor / 2380810
Proposed motor comprises stator (1) housing rotor packs (5) fitted on shaft (4). Moving bearing bushes (6) are arranged on both sides of packs (5). Note here that the rotor incorporates additionally the rings arranged on both sides of said moving bushes to change their radial size at axial loads. Note also that a part of end faces of aforesaid packs, rings and bushes, is made tapered for them to abut, while inner surface of at least of a part of rings, features cylindrical shape. Particularly, taper-inner-surface rings (7) are fitted between every pack (5) and moving bush (6) to adjoin mating surfaces of adjacent packs (5) and bushes (6). Outer rings (12) are arranged on rotor ends, end face surface of said ends being tapered on one side and cylindrical on the other to ensure required axial sizes. Rings (7) and (12) made with cutouts allow adjustment of their radial size under axial load.
 Hydraulic protector of submerged oil-filled motor / 2367078
Invention relates electrical engineering and electrical machine building, in submerged oil-filled motors designed to drive submerged pumps to pump fluids from wells. Proposed device comprises housing (1) representing hollow cylinder arranged vertically in operating position of the device, shaft (2) tightly fitted on the housing shaft running thrust bearings to be coupled with motor shaft. It comprises also, at least, one oil-filled chamber arranged in housing (1). It differs from known designs in that it comprises gate compartment (3) arranged the bottom of housing one to communicate with oil-filled chamber via, gate duct (4) fitted with lock open/close gate duct (4). Note that lower extension of shaft (2) is arranged in gate compartment (3).
 Submersible direct current motor / 2357345
Present invention relates to electrical engineering and specific features of designing submersible dc motors, used particularly for driving submersible pumps used in oil wells. The electric motor comprises an immovable armature coil, a case surrounding the armature coil, apparatus for creating a magnetic field, fixed in the case and interacting with the armature coil for creating electromagnetic torque, an immovable collector, electrically connected to the armature coil, and brushes, rotating around the immovable collector and connected an external electrical circuit. The immovable collector together with the brushes rotating around it are closed inside an insulating chamber, in which is fitted an immovable slip ring for connecting the power cable and the brushes, with two tracks insulated from each other, for movement of the respective brushes. Each track is connected to the wire of the power cable with the corresponding polarity.
 Magnetoelectric generator / 2474032
In a magnetoelectric generator, the rotor of which comprises a disc (1) fixed on a shaft, and on the disc there is a ring-shaped row of permanent magnets (2) with alternating polarity, arranged as equidistant relative to each other, and the stator comprises two parallel plates (3,4), between which there are windings, besides, stator windings are arranged on U-shaped cores from electrotechnical steel, which are fixed on plates (3, 4) of the stator, width Bc of the end of the U-shaped core (6) makes a half of the width B of the permanent magnet (2) of the rotor, besides, ends of the U-shaped cores (6) of one plate (3) face the ends of the U-shaped cores (6) of the other plate (4) and are displaced relative to them by the distance equal to the half of the width of the permanent magnet (2) of the rotor, besides, the permanent magnets (2) of the rotor are arranged between opposite ends of U-shaped cores (6) of the stator.
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FIELD: electricity. SUBSTANCE: proposed submersible water-filled synchronous generator of vertical design comprises a basic shield, where a circular flat magnetic conductor is fixed, wound from electric steel, with a winding, a rotor disc with permanent magnets, a bearing shield arranged as cantilevered relative to the basic shield and comprising bearings of the rotor shaft. At the same time, according to this invention, the generator is equipped with a thrust sliding bearing, which has a journal in the form of a disc arranged on the rotor shaft, and a step-bearing in the form of a thrust sleeve, which covers the bearing shield at the side opposite to the basic shield, and is fixed with the help of bolts. The entire inner cavity of the generator is filled with water, and the generator with a hydraulic turbine arranged above it is submerged under the water level and is retained in this position with the help of floats, and is kept away from displacement by a retaining device. EFFECT: reduced axial dimensions and material intensity of a generator with simultaneous increase of its operational reliability. 1 dwg
The invention relates to electrical engineering and electrical engineering, namely to end submersible water-filled synchronous generators vertical design with one stator and one rotor. It can be used as a stand-alone generator to produce electrical energy to drive a variety of devices in farms, small industries, diversified farms of the Ministry of defence. Known water-filled submersible motors type PAD for centrifugal units ECV (Happy, Fedorenko, G.M., Beam, VA, Vyhovsky VI Electric machine with liquid cooling. Edited by Happy, USSR Academy of Sciences Inst. of electrodynamics. Kiev: Nauk. Dumka. 1989. - 288 S.)containing the stator winding squirrel-cage rotor, two bearing shield, upper and lower radial bearings, heel, thrust bearing, spherical thrust sleeve, mechanical seal, shaft. The engine has a cylindrical shape performance, which suggests its use in wells, a relatively large depth. Due to the limited diameter of the casing bore, the axial length of the pump reaches a significant value. In addition, for a considerable length of rotor machines result of the large magnitude of the electromagnetic forces that cause attraction Roto is and the stator. The electric machine has two bearing shield that increases the weight of the device. Known for the design of liquid-filled vertical synchronous generator (patent RF №20386736, N To 5/124, publ. 1995), containing the stator, rotor, end shaft seal, comprising placed on the shaft of the rolling element, bogatogo to still by a spring and is fixed from rotation by the pin. The movable element is designed as a stop, and fixed in the form of a sleeve. The inner cavity of the electric machine filled with a liquid with a density lower than the density of the fluid surrounding the machine. The disadvantage of this construction is of cylindrical form generator, which increases the axial length of the machine. Another disadvantage of the generator is the need to fill it with liquid of density different from the density of the fluid surrounding the device. The technical essence, the closest to the claimed invention is the construction of water-filled synchronous generator (patent RF №2315892, IPC F03D 9/00, publ. 2008) end of the form, provided with a thin-walled diaphragm resting on the working surface and forming with the hollow cylinder, the supporting glass and the base shield stator two sealed cavity. The generator has a stator winding with water cooling. a disadvantage of the known constructions are complicated design of the generator, associated with the sealing of the stator winding and including massive hollow cylinder, a diaphragm, and a massive cover. The presence of the casing increases the axial length of the machine. The generator is difficult to lubricate the bearings, which requires complete disassembly of the machine. The generator has a complex system of cooling of the stator winding. It may not work in a submerged condition in the water. The weight of the air turbine and the rotor is compensated angular contact bearing, which is not reliable. The task of the claimed invention is to provide a submersible water-filled vertical synchronous generator performance, different reduced axial size and weight, high reliability and ease of maintenance. This is achieved by water-filled submersible synchronous generator vertical, containing basic shield on which is fixedly mounted annular flat magnetic core wound of electrical steel cores, disk rotor with permanent magnets, bearing shield, console located in relation to the base sheet and containing the bearings of the rotor shaft, differs from the prototype in that the generator is equipped with a thrust sliding bearing which has a heel in the form of a disk that is located on the shaft of the machine, and podpath is in the form of hard glass, covering the bearing shield on the side opposite to the base Board, and secured by means of bolts, all the internal cavity filled with water, the generator together above the turbine is submerged under the water level and is retained in this position by means of floats, and the movement is protected restraint. The invention is illustrated by the drawing, which is given a longitudinal section of the generator. On the base Board 1 stator fixed annular flat magnetic core 2, wound electrical winding 4 of the wire with polyethylene, PVC insulation or other materials resistant to water. Isolation allows continuous operation of the generator, is filled with pure water. Due to the fact that the turbine causes the generator in motion, rotates at a small speed, the winding of the generator is performed with a large number of poles. This eliminates the need for the multiplier between the generator and the turbine. In base a shield 1 is pressed bearing shield 20, within which is fixedly mounted sleeve 14 and 17, which form together with the respective sleeves 13 and 16 on the shaft of the motor angular contact bearings. In the end shield has a few holes 15 for receiving water to lubricate the bearings. R the torus generator consists of a shaft 19 is pressed to a disc rotor 6. On the drive fortified package of the magnetic rotor 7 with permanent magnets 8. The generator shaft is set vertically, and is mechanically connected to the shaft of the turbine. The generator is located below the hydraulic turbine is above it. The unit during operation is under water, the water from the unit to the surface is determined by floats attached to the eyebolts 25 mounted on the base Board. Thrust bearing generator is designed for axial loads. It consists of a heel 12, which represents a disc made of stainless steel, and thrust bearing, made in the form of hard steel Cup 10, covering the free end of the bearing shield 20 from the side opposite to the base Board. Resistant Cup 10 fixedly mounted on the bearing shield by means of bolts 23. On the inner surface of the thrust Cup placed cushion 11, which is intended to reduce the friction of the heel on the heel. Basic shield 1 is covered by a thin stamped casing 5, which performs a protective function. In addition, the base sheet 1 and the cover 5 has holes with a rifled tubes 9 and 21 serving for filling pure water into the internal cavity of the generator and for draining water from the generator after lifting it to the surface. To prevent grass the th water into the internal cavity sealing of the generator is carried out with the gland 18. On the base Board provides a hole for output to the outside conductor of the cable 22 from the stator winding 4. From the base of the shield conductor cable are sealed by the sealing ring 3. Generator is cooled by flowing water of the river, washing the generator. The generator works as follows. Just before the descent of the generator in the river it is necessary to turn the tube 21 and through the opening to fill the generator with clean water 26. After this you need to wrap the tube 21, and a generator mounted on its shaft by the turbine is submerged in the river so that the unit was under the water level. In this position it is held by floats attached to the eyebolts. From offset downstream of the generator is held by anchors, ropes or other restraints. Under the action of the river, if there is sufficient water pressure, it overcomes the mechanical resistance and begins to rotate the shaft of the turbine and mechanically associated with the shaft of the generator and the rotor with permanent magnets. In the stator produces a rotating magnetic field which induces in the winding 4 of the magnetic circuit 3 electromotive force. Current deflecting water resistant cable 22 from the generator output to the top and connects to the power plant, located on the shore. The power plant is used to start and what additional devices receiving electrical energy from the generator, and to protect it during short circuits, invalid overload, from "dry run". The proposed design of the generator allows you to abandon the traditional placing it above the turbine and thereby reduce the size and height of the generator set, as well as reduce investment in the construction of microhydroelectric. The design of the generator allows the revision repair of the generator. The generator can be used as a mobile device. Submersible water-filled synchronous generator vertical, containing basic shield on which is fixedly mounted annular flat magnetic core wound of electrical steel cores, disk rotor with permanent magnets, bearing shield, set the console to the base sheet and containing the bearings of the rotor shaft, wherein the generator is provided with a thrust bearing, which has a heel in the form of a disk that is located on the machine shaft, and a thrust bearing in the form of hard glass, cover bearing shield on the side opposite to the base Board, and secured by means of bolts, all the internal cavity filled with water, and the generator above the turbine is submerged under the water level and held in AIX the ω position by means of floats, and movement is protected restraint.
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