Windmill generator stator |
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IPC classes for russian patent Windmill generator stator (RU 2517168):
 Electric motor with adjustment device / 2498482
Electric device consists of housing (66), motor unit (12) with motor body (14) and adjustment unit (16) purposed for location of at least one driving element. According to the invention at that motor unit (12) is connected to adjustment unit (16) by yoke (20) made as mandrel-type or socket-type part covering the motor unit (12) and it is purposed for motor unit (12) fixing at adjustment unit (16).
 Electrical machine / 2458446
In a proposed design of an electric machine comprising a stator and a rotor arranged outside the stator, bearing supports perceiving vertical and horizontal loads, and an electromagnet reducing the load at bearing supports. At the same time, according to this invention, the specified electromagnet is placed inside the stator.
 Electric fan set with improved cooling / 2453967
Invention relates to electric engineering, namely - to electric machines, and deals with the specific features of fixing elements design for electric motors, particularly, fan sets intended for heating, ventilation and/or air-conditioning plants. This invention proposes a device (40) for fixing electric motor (16) containing accommodating seat (41) for motor installation with a wall (42). According to the invention, the device (40) for fixing electric motor (16) implemented so that the first (18A) and second (18B) air pumping element can be rotated. The air pumping element includes accommodating seat (41) to install electric motor (16) and a wall (42). Besides, the obstructing elements (60, 62; 72, 74, 76; 80) are placed between the electric motor (16) and accommodating seat (41) wall (42). The obstructing elements are implemented so that they can obstruct air flowing between electric motor (16) and wall (42) of accommodating seat and air flow be redirected through electric motor (16).
 Electric motor, mounted in electric motor support, and method for its installation and positioning / 2313882
Electric motor (1) contains driving shaft (3), which projects from two ends of aforementioned electric motor (1) along longitudinal rotation axis (X-X) and having shifted gravity center (B) relatively to driving shaft (3), and also positioning means (11a, 12a), made with possible ensuring of blocking connection to corresponding connectable positioning means (9a, 10a) of support (5), where positioning means (11a, 12a) are shifted for given shifting angle (ω), measured between projection onto one plane (Σ), which is perpendicular to rotation axis (X-X), two straight lines (S1, SB), which extend from rotation axis (X-X) perpendicularly and pass through aforementioned positioning means (11a, 12a) and aforementioned gravity center (B), respectively. Suggested method for installation and positioning of electric motor (1) in support (5) of electric motor includes stages, according to which electric motor (1) abuts against driving shaft (3) to ensure capacity for turning electric motor (1) around driving shaft (3) for value of compensating angle (γ) due to gravity force, to move positioning means (11a, 12a) to position, which ensures connection to connectable positioning means (9a, 10a) and installation of electric motor (1) in support (5).
 Electric machine / 2123751
The invention relates to electrical engineering and electrical engineering and can be used in the manufacture of machines with semi-open slots for mounting feet
 Rotating electrical machine / 2510788
Invention is attributed to the field of electric engineering and can be used in rotating electrical machines. According to one aspect of the version rotating electrical machine includes detector and brake. Detector is placed at the side reverse for load, rotating shaft with rotor for setting the target load in motion; it detects position of the shaft turn. Brake can be replaced at external peripheral side of detector in order control shaft.
 Annular generator / 2506682
Invention relates to electrical engineering and may be used in wind-driven power plant. Annular generator of the wind-driven power plant includes stator, peripherical stator ring for placement of stator windings, rotating part which is installed so that it can rotate in relation to stator and lid of the stator connected to stator ring. Lid provides formation of discharge chamber with high or low pressure; it is designed to ensure air flow passing through and/or in stator and/or rotating part in order to cool annular generator. At that in the stator lid there is at least one air blower with opening designed for it. The air blower can be rotated by driving mechanism in order to open the air blower opening for the purpose of maintenance and/or man passage through it.
 Engine for transport vehicle / 2491699
Engine contains a fan (30) fixed at the rotor shaft (10) supplying outdoor air to the engine and a locking device (20) which functions as a positioning element for the fan (30) in axial direction; the locking device is fixed between the bearing (50) that supports the rotor shaft (10) and the fan (30) inserted at one end of the rotor shaft (10). The locking device (20) has a surface opposite to the fan so that it is coincident with the fan and the fan (30) is fixed by a fixing element which is input in direction towards the locking device (20), in essence in parallel to the rotor shaft (10). At that the fan (30) has coefficient of expansion set by majority of linear expansion coefficients for the rotor shaft (10) and locking device (20).
 Device for electric motor protection / 2391759
Device for protection of electric motor includes body of motor, which has deformable protecting sheet with two inclined planks arranged at the distance "L".
 Turbo generator stator / 2377706
Invention relates to electrical and power engineering and can be used at electric power stations in designs of commercially available turbo generators with rigid attachment of the core to stator casing. Proposed stator comprises casing (1) with support lugs (7) and core (2) rigidly fixed there inside. Said support lugs are mounted on flexible elements (11) with the help of distributing plates (8) arranged in recesses (10) of bed (5). Aforesaid distributing plates (5) are attached to bed (5) with the help of spring-loaded anchor pins (12).
 Structure for fixation of resolver position indicator / 2354031
Structure for fixation of resolver position indicator is located between ends (301) of stator winding (302) of rotary electric machine and comprises annular part (305) as main body (305) having hole (310), and resolver position indicator stator (41) pressed in hole (310). On external peripheral part of stator (41) of resolver position indicator, protective element (242) is arranged, which contacts with hole (310).
 Reaction motor and method of winding reaction motor / 2347311
Present invention pertains to electrical engineering and special features of the design of reaction motors. The reaction motor (1) with rotor (2) and stator (4), comprises separate, encircling wrapped cores (20) of core (8) of the stator of stator coils (3), formed by stator coils (38). The gap between stator coils (3) is filled by stator covers (9). One of stator covers (9) is made of two parts and both parts (10, 11) are inserted into core (8) of the stator towards each other in the axial direction with cross-strapping of corresponding ends. According to the invention, the peripheral contours of the above mentioned ends can enter corresponding ends of other halves of the cover. In each of the stator core, the bottom part fits into the upper part (10). Proposal is also given of the method of attaching plate (39) to the stator cover, as a holder of electronic components (40). Proposal is also given of a method of winding reactive motor (1).
 Type ra (a) induction machine frame / 2280938
Novelty is that frame of series RA (A) induction machines of standardized shaft center heights H = 71 - 355 mm is made of hollow section produced by way of extrusion from special aluminum alloy, with stator core outer diameter Dout1 (mm) and thickness bfr (mm) provided with four symmetrically shifted T- or V-shaped depressions to receive two removable supporting legs, as well as horizontally and vertically disposed cooling ribs of height hr, thickness br, and pitch tr (mm) on their segments with milled bases to attach terminal and control boxes. Values of Dout1, hfr, br, and tr are chosen for each of ten design alternates depending on mentioned shaft center height H. Proposed design makes it possible to combine several shaft center heights H at one novel outer diameter Dout1 of stator core using for them common aluminum alloy frame with detachable legs to attain desired shaft center height H when manufacturing series RA (A) induction machines in compliance with existing standards for mounting and overall dimensions, and power output.
 Steel-sheet rolled single-weld frame for electric motor / 2259625
Sheet-steel rolled frame of motor has only one welded joint. In order to obtain rigid stator-frame structure eliminating press fit, welded joint is made with frame fitted onto stator, on ends of high-strength rolled frame aligned in a spaced relation to prevent stator deformation. For strengthening welded joint, cover plate is placed on joint and welded to frame. Legs are welded to cover plate to prevent deformation of frame.
 Electrical machine stator / 2251194
Proposed electrical machine stator has laminated core 1 disposed inside cylindrical frame 2. Pressure pins 3 disposed at butt-ends of core contact hold-down members 4 enclosing end portions of winding 5 placed in slots of core 1. Stator is closed at ends with end shields 7. Each hold-down member 4 is secured on one end with stator frame 2 and on other end, with end shield 7. In this way stator components are reliably secured dispensing with pressure rings and bracing ribs.
 Borehole motor / 2516472
Invention relates to electrical engineering and machine building, particularly, to borehole motors to lift bed fluid. Proposed borehole motor comprises stator with toothed magnetic core accommodating the rotor. Stator teeth internal surface has grooves regularly arranged in circle in axial direction, the number making three, or being multiple of three.
 Rotor of electric machine / 2516440
Rotor of the electric machine contains a shaft, a magnet core made of equally alternating magnet and non-magnet circular plates, permanent magnets with pole tips and a cylindrical non-magnet cage covering them from the side of the external surface. The permanent magnets with pole tips are installed in windows of the above cage. At that according to the invention the permanent magnets are made so that the radius centre of the external cylindrical surface of each magnet is shifted along the longitudinal magnet axis towards the external surface of the non-magnet cage forming a smooth increase in the cage cross-section above the magnet and pole tip from the magnet longitudinal axis towards its lateral sides. Mechanical stress occurring in such design of the rotor is distributed evenly across the cross-section of the above non-magnet cage over each permanent magnet with pole tip from the magnet longitudinal axis towards its lateral sides during operation of the electric machine.
 Single-phase alternating current motor / 2516413
Invention relates to electric engineering, particularly to electric machines and covers design features of a single-phase alternating current motor. The suggested single-phase alternating current motor contains a stator with teeth-forming slots for the primary winding and slots for an auxiliary winding. The primary winding can be connected to the alternating current supply source in order to generate the main magnetic field with the main magnetic axis, the auxiliary winding can be connected to the power supply source through an operating capacitor to generate an auxiliary magnet field with an auxiliary magnetic axis, at that the above main and auxiliary axes set the rotating vector by means of vector summation and this vector represents the resultant magnetic field with permanent magnetic induction at operation of the motor at the rated load. Herewith according to the invention the teeth group located at the auxiliary magnet axis has a higher magnetic conductivity in comparison with other teeth, at that the least tooth of all teeth forming slots for the primary winding is bigger that the biggest tooth of all teeth forming slots for the auxiliary winding.
 Electromagnetic device with reversible generator and motor operation / 2516373
Invention relates to electrical engineering. The electromagnetic device has a stator and a rotor rotating between facing surfaces of the stator and bearing a plurality of magnets distributed at regular intervals along its periphery. The magnets are arranged such that they form a sequence of alternately opposite poles on the surfaces of the rotor directed towards the stator, and the stator comprises two sets of independently supported magnetic yokes located at both sides of the rotor in front of the magnets. The magnetic yokes have two axially oriented arms, the end surfaces of which, when the rotor is in a fixed state, at least partly face a pair of successive magnets on a same surface of the rotor.
 Stator of rotating electric machine excited by permanent magnets / 2516367
Stator has a variety of segments located close to each other in the circumferential direction. According to the invention the above segments have teeth and slots passing in the longitudinal direction of the stator, at that the neighbouring segments touch each other at the segment boundary and teeth of the neighbouring segments are located so that at the segment boundary a tooth of one segment touches the tooth of the neighbouring segment, herewith the total width of the teeth touching each other at the respective boundary is bigger than the total width of the majority of teeth which are not placed at the segment boundaries or all teeth which are not placed at the segment boundaries directly, at that the minority of teeth not placed directly at the boundary of the specified segments has the same width, which is bigger than the total width of the majority of teeth which are not located directly at the segment border.
 Synchronous micromotor with electromagnetic unipolar excitation / 2516286
Invention refers to the field of electric engineering, in particular, to electric machines, and relates to manufacture of synchronous micromotor with unipolar excitation. A synchronous micromotor with unipolar excitation contains a stator with a standard core with a three-phase power winding that creates a rotary magnetic field of the stator and a direct-current excitation winding that creates an excitation flux, as well as a cylindrical solid rotor of iron-copper alloy divided by a non-magnet conductive layer into two magnet isolated parts - two cores of the rotor. According to the invention, at that in order to increase reliability of the synchronous motor operation contactless electromagnetic unipolar excitation is carried out when two cores of the rotor form two permanent magnet poles with invariable different polarity, the north N and the south S ones, at their interaction with the rotary magnetic field of the stator the synchronising torque is created and availability of solid cores at the rotor ensures asynchronous start without a starting winding.
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FIELD: electricity. SUBSTANCE: invention relates to electrical engineering and wind-power engineering. The suggested windmill generator stator contains magnetic cores, an excitation system, tightening elements and a winding, at that according to the invention the stator is made as a flat-topped bracket and a wafer pack with installed armatures with an operating and exciting coils and the middle part of the above pack is rigidly connected to the middle part of the above flat-topped bracket. EFFECT: high production effectiveness of the windmill generator stator attained due to possible regulation of the air gap flexure, aligning this stator to different rotors by pressing the pack middle part to the middle part of the above flat-topped bracket, reducing costs for the stator production by reducing a number of magnet cores and tightening elements for the windmill generator stator. 1 dwg
The invention relates to the field of wind energy. Known stators of the wind power segment type [RF Patent №2204734 /A.m.litvinenko. The stator wind power./ Publ. Bull. No. 14, 20.05.2003, application No. 2001129417/06 from 30.10.2001, MKI F03D 9/00]. The stator contains the first rotor wheel with a rotary elements mounted on the ends of the blades. The stator coil is made in the form of the first cylindrical section and a second cylindrical section which is convex to each other and are connected by straight sections. The areas covered by the magnetic circuit with magnetic fields. In this magnetic circuit, located on the site facing to the rotary elements, and the magnetic covering the area, are located with the possibility of magnetic contact with the rotary elements of the second propeller. The cores are connected by magnetic fields. The disadvantage of this stator are the large dimensions of the coil and, consequently, greater consumption of copper. Of all known analogues closest to the claimed combination of essential features is the stator wind power [RF Patent №2253042 /A.m.litvinenko. - Wind power./ Publ. Bull. No. 15, 27.05.2005, application No. 2003130050/06 from 09.10.2003] segment type, which contains the core system vosburg the tion, the clamping elements and the winding, according to the invention the stator is made in the form of two pairs of U-shaped magnetic circuits, the upper pair of which are oriented ridges down between adjacent racks installed the excitation system, the lower pair is oriented jumpers up and covered by the coil, which is located between adjacent racks. The disadvantage of this invention is the complexity of the structures, which is caused by the presence of the four elements of the magnetic circuit, besides the great difficulties arise in the organization of curvature of the air gap. The invention is directed to reducing the number of cores and coupling elements, which reduces the cost of manufacturing. This is achieved by the fact that the stator ferroelectromagnetic containing the magnetic excitation system, the clamping elements and the winding, according to the invention the stator is designed as U-shaped staples, and package inserts that have cores with the working coil and the excitation coil, and the middle part of the package is rigidly connected with the Central part of the U-brackets. The invention is illustrated in the drawing, which shows the stator wind power, front view. The stator ferroelectromagnetic consists of a base 1, to which by means of bolts 2 attached U-shaped bracket 3. To the middle of the mounting bolt through the hole in the attached package 5 of laminated plates, and the middle part of the package are fixed to the middle part of the U-shaped bracket, and the edges are based on rack 6 U-shaped bracket so that the package takes the form of curvature. At the ends of the package by means of bolts 7 installed cores working coil 8 and the excitation coil 9. Below schematically shows the groove of the rotor which is in contact with the stator in magnetic relation. After the stator is as follows. When the rotor is switching in magnetic circuit: the rotor air gap - core coil excitation 9 - pack of laminated plates 5 - core operating coil 8 of the air gap of the rotor. As a result, in the working coil is induced electromotive force, which will lead to stress. Feasibility advantage of the stator is its high technology, which is due to the fact that pressing the middle of the pack of laminated plates to the middle part of the U-shaped bracket can be adjusted to the curvature of the air gap, adjusting the stator to the different rotors. The stator ferroelectromagnetic containing the magnetic excitation system, the clamping elements and the coil, wherein the stator is designed as U-shaped staples, and package inserts that have cores with the working coil and the excitation coil, and the average is part of the package is rigidly connected with the Central part of the U-bracket.
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