baber/WOPTO huggingface dataset:
Patent RU-2104396-C1 (RU)
Inventor: STEPANOV ALEKSANDR ALEKSANDROV
IPC: E21F3/00
Filed: 1990-06-11
Granted: 1998-02-10
Abstract: FIELD: mining industry. SUBSTANCE: device has air heater 3, heat-carrier source 4, chamber 5 for mixing smoke gases with outside atmospheric air made in the form of labyrinth with outside air flow regulator 12, gas duct 6 which connects labyrinth with air heater 3. Installed in gas duct 6 is shutter 13 with power drive unit 30. Equipment for automatic regulation of air temperature in hole is made up of controllable regulators 20, 21 for gas (fuel) and blast air flow rates provided with power drive units 22, 23, regulating units 18, 19 with comparing unit 17 connected with temperature sensors 15, 16 of air in hole and outside. Installed in air heater passage are gas analyzers 24 which are electrically connected with drive unit 30 of shutter 14 and with drive units 22, 23 of regulators 20, 21 for rate of fuel and blast air delivery to burning device 7 or furnace 4 with fluidized bed. EFFECT: higher efficiency. 1 cl, 2 dwg
Patent RU-2007862-C1 (RU)
Inventor: ROSTAMI KHALIL R
IPC: H03M1/66
Filed: 1990-08-21
Granted: 1994-02-15
Abstract: FIELD: automation and computer engineering. SUBSTANCE: device has positive reference voltage power supply 1, negative reference voltage power supply 1′, positive direct voltage power supply 2, negative direct voltage power supply 2′, N identical discharging generators 3 having positive polarity, N identical discharging generators 3′′ having negative polarity. All generators are connected to common loading. In addition device has 2N two-state analog switches 5 and 5′, 2N input setting tuning resistors 6 and 6′, 2N NAND gates 7 and 7′, RS-flip-flop 8. Converter can be used in instrument as programmable stabilized power supply. EFFECT: increased precision of conversion in wide range of current levels, increased dynamic range, increased functional capabilities, decreased power consumption. 1 dwg
Patent RU-2089294-C1 (RU)
Title: Device for crushing hard rocks
Inventor: VEROMAN VIKTOR YU
IPC: B02C19/18
Filed: 1990-10-11
Granted: 1997-09-10
Abstract: FIELD: dressing useful minerals; crushing hard and superhard rocks. SUBSTANCE: device is provided with housing 1 in the form of mirror reflector 2 having shape of a torus ellipsoidal in section. Installed on the line of inner focus of reflector 2 are pairs of electrodes 3 so that electrode gaps are equidistant from each other. Part 5 of initial material feed branch pipe 4 hermetically closes space 2 and is made of thin elastic material, for example, rubber. Deflector 2 is filled with liquid fed therein through branch pipe 8. Liquid together with gas phase is pumped out through branch pipe 9. Outer focuses of deflector 2 are matched at point 10 disposed in the crushing zone. Branch pipe 7 designed for discharging ground rocks is connected with settling sump 11 provided with branch pipe 12 for draining the process liquid and with unloading device for removing hard fraction. EFFECT: improved efficiency. 2 dwg
Patent RU-2057510-C1 (RU)
Title: Device for massaging the back
Inventor: TUBILSKIJ GRIGORIJ AVRAMOVICH
IPC: A61H15/00
Filed: 1990-11-29
Granted: 1996-04-10
Abstract: FIELD: medical engineering. SUBSTANCE: device has casing 1 having the form of cylinder segment. Removable flexible lining 4 is fixed on the concave surface of casing 1. The surface of flexible lining 4 has thorns 5 spaced in chessboard order. EFFECT: enhanced effectiveness of treatment. 13 dwg
Patent RU-2007874-C1 (RU)
Inventor: ZOLOTONOSOV NAFTALIJ M
IPC: H04B3/46
Filed: 1990-12-13
Granted: 1994-02-15
Abstract: FIELD: electric communications. SUBSTANCE: device has button 1, flip-flop 2, OR gate 3, four AND gates 4, 27, 28, 29, delay gate 5, three registers 6, 13, 17, three indication units 7, 14, 18, counter 8, three decoders 9, 16, 23, three AND gate units 10, 11, 12, encoder 15, resistive scaling circuit 19, three insulation status indicators 20, 21, 22, univibrator 24, two light-emitting diodes 25, 26, transcoding unit 30, signal circuit 31, signal bus 32 and cable line screen 33. EFFECT: increased functional capabilities. 2 dwg
Patent RU-2067395-C1 (RU)
Title: Iminothiazoline compounds, herbicide composition and weed control method
Inventor: SINITI KAVAMURA
IPC: C07D277/38
Filed: 1991-03-11
Granted: 1996-10-10
Abstract: FIELD: agriculture. SUBSTANCE: method involves applying herbicide composition into soil overgrown with weeds or into soil, where weeds may appear, with herbicide composition being taken in an amount of 2-50% by weight of active component. Iminothiazoline compounds are used as herbicide composition. EFFECT: increased efficiency in weed control and reduced damage to environment. 16 tbl
Patent RU-2030143-C1 (RU)
Title: Separating device for tuber-bearing layer
Inventor: LOVKIS ZENON VALENTINOVICH
IPC: A01D17/10
Filed: 1991-02-06
Granted: 1995-03-10
Abstract: FIELD: agricultural engineering. SUBSTANCE: lump-breaking device is made as a shaft with discs installed at an angle to its axis. EFFECT: improved design. 5 dwg
Patent RU-2007361-C1 (RU)
Inventor: VOLKOV VLADIMIR V
IPC: B66B17/26
Filed: 1991-02-11
Granted: 1994-02-15
Abstract: FIELD: mining engineering. SUBSTANCE: device has frame 1 with body 2 which, in turn, has tilting bottom 4. Front wall 5 of the skip is a gate stationary fastened to the frame. The skip side walls are interconnected by a stationary back wall and the bottom, and in the front part - by posts-thrusts. The front wall has a mechanism for its locking in the loaded skip and is reinforced by stone casting. EFFECT: improved structure. 4 dwg
Patent RU-2029948-C1 (RU)
Title: Method of determining toxicity of natural water
Inventor: KARAS ANNA YA
IPC: G01N33/18
Filed: 1991-01-02
Granted: 1995-02-27
Abstract: FIELD: testing equipment. SUBSTANCE: crustaceous-gammarus is used as test-object. If a toxin is presented in water the animal stops motion or changes direction of motion whereas in the normal fluid the animal moves in one direction over periphery of the tank. The presence and amount of the toxin can be judged by distortion of features of orientation behavior of the animals. EFFECT: simplified method. 2 cl, 3 dwg
Patent RU-2068950-C1 (RU)
Title: Method of displacing crude oil
Inventor: MAMLEEV RAMIL A
IPC: C09K8/582
Filed: 1991-03-05
Granted: 1996-11-10
Abstract: FIELD: oil and gas production. SUBSTANCE: biologically active substrate to be pumped into a stratum contains polyacrylamide and water and is preliminarily treated by ultrasound with frequency 12-22 kHz for 15-120 sec. EFFECT: enhanced efficiency. 3 tbl
Patent RU-2007286-C1 (RU)
Inventor: EFREMENKO ANATOLIJ G
IPC: B23K35/24
Filed: 1991-04-17
Granted: 1994-02-15
Abstract: FIELD: machine engineering. SUBSTANCE: alloy for fusion on (deposition) contains ferrum and alloying elements as a base and in addition it contains powdered material, including no less, than 92% of ferrum. The powdered material is added in quantity, consisting relative to the mass of the basic alloy (1 -0,25) - (1: 5). EFFECT: enhanced quality of fusion on. 1 cl, 3 tbl
Patent RU-2023703-C1 (RU)
Inventor: SOSNIN VALERIJ P
IPC: C04B20/06
Filed: 1991-05-20
Granted: 1994-11-30
Abstract: FIELD: metallurgy. SUBSTANCE: this process for manufacture of man-made porous filler prescribes roasting burden residue from kilns and graphitization furnaces designed for manufacture of electrodes in oxidizing medium until content of free carbon constitutes 5 mass percent, maximum, grinding stock to fineness of 0.07 mm, maximum, and then introducing it into charge in amount of 0.3 to 2.0 mass percent. Porous filler bulk density: 250 to 290 kg/cu. m. Porous filler compressive strength: 0.85 to 1.5 MPa. EFFECT: excellent qualities. 2 tbl
Patent RU-2013604-C1 (RU)
Title: Internal combustion engine
Inventor: SMIRNOV EVGENIJ V
IPC: F02B75/18
Filed: 1991-05-28
Granted: 1994-05-30
Abstract: FIELD: manufacture of engines. SUBSTANCE: cylinder block is made open and cylinders are so arranged that their axes coincide with longitudinal axis of the engine; turbosupercharger is driven through spur gear train from the birotatory element. Such construction of the engines enhances its power corrected to the unit of area of midsection by 1.5 times. EFFECT: reduced midsection at enhanced power of engine. 2 dwg
Patent RU-2074751-C1 (RU)
Title: Method and apparatus for air treatment in infected rooms
Inventor: EGURNOV ALEKSANDR G
IPC: A61N5/08
Filed: 1991-05-27
Granted: 1997-03-10
Abstract: FIELD: medicine. SUBSTANCE: air is caused to flow through apparatus comprising casing 1 with inlet 3 and outlet 6 openings. Fan 2, ultraviolet radiator 4, next infrared radiator 5 are arranged in series near inlet opening 3. EFFECT: effective protection of human organism against infection principles. 2 cl, 1 dwg
Patent RU-2080596-C1 (RU)
Title: Method of determination of malignant neoplasm localization
Inventor: TYURIKOV YURIJ ALEKSEEVICH
IPC: G01N33/48
Filed: 1991-06-17
Granted: 1997-05-27
Abstract: FIELD: medicine, oncology. SUBSTANCE: method involves determination of small needle-shaped crystals in tear crystalogram that were located between larger crystals of different form. Malignant neoplasm in vision organ is diagnosed at their amount 8 and less, in region of neck or head - at 15-120, and in lung or gastroenteric tract - at above 150. EFFECT: improved precision of diagnosis. 3 dwg
Patent RU-2043393-C1 (RU)
Title: Hardlubricant coating
Inventor: MARINICH TAJGETA L
IPC: C10M125/04
Filed: 1991-09-25
Granted: 1995-09-10
Abstract: FIELD: lubricant materials. SUBSTANCE: coating has, wt.-% natural mineral mixture (preferably at dispersity less 10 mcm) 0.5-2.0, and binder 98-99.5. EFFECT: enhanced quality of coating. 2 cl, 4 tbl
Patent RU-2000761-C1 (RU)
Inventor: KUKLIN YURIJ D
IPC: A61F9/08
Filed: 1991-08-30
Granted: 1993-10-15
Abstract: Использование, дл  частичной реабилитации  инвалидов, лишенных зрени  Сущность изобретени :  поскольку передний фронт разностного сигнала  соответствует началу измерительного, а задний  фронт формируетс  спадом опорного, стабильного  во времени сигнала, разностный сигнал обратно  пропорционален во времени дальности до преп тстви  При этом вли ние сигнапов, отраженных  от объектов, лежащих в большой глубине от ближайшего , представл ющего опасность, или от обь-  ектов. имеющих удлинение вдоль оси излучени  на  точности измерени  не сказываетс  Основным узлом  устройства  вл етс  преобразователь фазового  сдвига в частоту, в состав которого включены  цифровые делители частоты опорного и измерительного  сигналов, схема совпадени  /И/, игр-эю-  ща  роль фазового детектора, накопительный конденсатор , генератор, управл емый напр жением и  разр дное ключевое устройство. 2 ил
Patent RU-2021954-C1 (RU)
Inventor: TARANTIN VIKTOR D
IPC: B65B69/00
Filed: 1991-10-21
Granted: 1994-10-30
Abstract: Использование: для растаривания мешков с сыпучим материалом в пищевой, хлебопекарной, химической отраслях народного хозяйства. Сущность изобретения: устройство содержит поворотный L -образный ложемент и размещенный в корпусе приводной механизм, включающий вал, связанный с ложементом. На горизонтальной части ложемента расположены две продольные планки, одна из которых установлена с возможностью поперечного перемещения и соединена с приводом посредством попарно закрепленных на ее концах шатуна и жестко закрепленного на валу привода рычага. 2 ил.
Patent RU-2029262-C1 (RU)
Title: Method of measuring residual stresses in articles made of ferromagnetic materials
Inventor: DUBOV ANATOLIJ A
IPC: G01L1/12
Filed: 1991-10-29
Granted: 1995-02-20
Abstract: FIELD: non-destructive control. SUBSTANCE: normal component of magnetic field strength is measured along input and output edges and along concave surface of the turbine blade. Points which have maximal and minimal values are registered. Lines onto the surface of the blade are built according to point with zero values H       у   р       . Zones of concentrations of stresses are measured at blades of the turbines from the disposition of the lines taking into account maximal values H       e   р        at input and output edges. EFFECT: improved precision. 1 dwg
Patent RU-2070021-C1 (RU)
Inventor: GRITSENKO ANATOLIJ G
IPC: A61H23/00
Filed: 1991-12-09
Granted: 1996-12-10
Abstract: Изобретение относится к медицине, в частности к онкогематологии, и касается лечения лимфогранулематоза. Для этого определяют положение позвонков на уровне С 2 -S 3  при смещении остистых отростков от средней линии, проводят мануальное воздействие на них с усилием 15-30 кг/см 2  на протяжении 20-40 сеансов.
Patent RU-2051078-C1 (RU)
Title: Device for item-by-item delivery of sheet material
Inventor: SOLDATENKO LEONID ANATOLEVICH
IPC: B65H5/18
Filed: 1991-12-29
Granted: 1995-12-27
Abstract: FIELD: metal working. SUBSTANCE: device has intake table, at least one pair of feed rolls connected by gear train and one pair of intake rolls also connected by gear train. Upper feed and lower intake rolls have overrunning clutch whose outer races are connected with tooth-and-rack transmission. Racks have stops, and crossmember has brackets engaging with stops when crossmember moves upwards. Mounted on feed and intake rolls are at least two polyurethane disks with spherical projection in cross section and trapezoidal grooves on projection edges. Ratio of summary cross section of grooves and cross section of projections is 0.9:1. Disks are furnished with height adjustment device. EFFECT: enlarged operating capabilities. 6 dwg
Patent RU-2016078-C1 (RU)
Title: Modifying agent
Inventor: ZAKHARCHENKO EDUARD V
IPC: C21C1/08
Filed: 1992-01-04
Granted: 1994-07-15
Abstract: FIELD: metallurgy. SUBSTANCE: modifying agent contains, mass %: nitrides of aluminium, titanium, zirconium and vanadium 3-45, easily fusible nitrogen-containing compound the rest. EFFECT: improves efficiency of the agent. 1 tbl
Patent RU-2045174-C1 (RU)
Title: Feeding trough for calves
Inventor: LAPOTKO ALEKSANDR MIKHAJLOVICH
IPC: A01K5/00
Filed: 1992-02-10
Granted: 1995-10-10
Abstract: FIELD: agriculture. SUBSTANCE: feeding trough for calves has a body with a hopper and a tray for free-flowing feedstuffs provided with a partitioning grate and a protuberance. The feeding trough has an overhang with an axle for tilted attachment to the body. The overhang is mounted over the tray for free upward deflection. The body is provided with support rests for the overhang. The overhang width exceeds that of the external protuberance of the tray. EFFECT: convenience in operation; higher efficiency. 2 cl, 2 dwg
Patent RU-2055269-C1 (RU)
Title: Method and device for burning hydrocarbon fuel
Inventor: DOLGOPOLOV VALERIJ I
IPC: F23D14/18
Filed: 1992-02-11
Granted: 1996-02-27
Abstract: FIELD: power engineering. SUBSTANCE: method involves heating hydrocarbon fuel and water until they become vaporized, and passing their mixed vapors under pressure through heated catalyst which is accompanied by separation of hydrogen and carbon oxide in the process of catalysis. The device for burning hydrocarbon fuel comprises casing 1 with vaporizer 6 inside which is supplied with water and liquid fuel, hydrogenating chamber 2 fitting tightly against casing 1 and provided with helical slot 3 on external side surface. Placed throughout the length of said slot is catalyst 4. Vaporizer 6 is made as a closed container communicating with hydrogenating chamber 2 and provided with bypass valve 11. EFFECT: improved functional and operating characteristics. 5 cl, 1 dwg
Patent RU-2024597-C1 (RU)
Inventor: KRASNOV ALEKSANDR P
IPC: C10M125/22
Filed: 1991-12-11
Granted: 1994-12-15
Abstract: Сущность изобретения: композиция содержит, мас.ч.: полиаминоимид 20 - 35; мочевиноформальдегидный олигомер 1 - 15; дисульфид молибдена 40 - 55, графит 10 - 20 и роданистая медь 0,5 - 1,5. 1 табл.
Patent RU-2045177-C1 (RU)
Title: Method for artificial insemination of wolfish eggs
Inventor: PAVLOV DMITRIJ A
IPC: A01K61/00
Filed: 1992-02-24
Granted: 1995-10-10
Abstract: FIELD: mariculture. SUBSTANCE: method involves preliminary delution of semen with sea water (volume of water exceeding that of semen) followed by addition of the deluted semen to eggs. The eggs and semen stirred and kept together for 40-120 min, then eggs are washed. EFFECT: simpler method; higher reliability. 2 dwg
Patent RU-2014906-C1 (RU)
Title: Device for applying coatings
Inventor: MATVEEV YURIJ K
IPC: B05B7/28
Filed: 1992-01-27
Granted: 1994-06-30
Abstract: FIELD: applying coatings. SUBSTANCE: nozzle has a spout. The outer surface of the spout is concave with its generatrix having a radius of 14-16 mm. The inner surface of the spout has a cone angle of 1:10. The air supply channel has angle of slope in the range 1-2 degrees. The air supply channel has inner surface with a cone angle of 1:5. EFFECT: improved quality of applying coatings. 1 dwg
Patent RU-2051763-C1 (RU)
Inventor: VOROVSKIJ ALEKSANDR A
IPC: F42D1/08
Filed: 1991-07-01
Granted: 1996-01-10
Abstract: FIELD: explosion works. SUBSTANCE: method comprises steps of charging a hole by an explosion matter, placing an isolating hose in the hole, filling by an aqueous solution of surface active substance the hose with a closed bottom portion and with provision of an air space between the charge of the explosion matter and the solution of the surface active substance; exploding; using as wetting and foaming additive in the aqueous solution a mixture of anion-active and non-ionogenic surface active substances with ratio from (1: 4) up to (4:1) and with concentration of the surface active substance from 0.1 up 0.8 mass %. EFFECT: enhanced efficiency of explosion action, lowered consumption of the surface active substance, suppression of dust-gaseous cloud. 2 cl, 1 tbl
Patent RU-2026195-C1 (RU)
Inventor: SHABUNIN ALEKSANDR A
IPC: B32B21/13
Filed: 1992-02-28
Granted: 1995-01-09
Abstract: Использование: в деревообрабатывающей промышленности, фанерном, мебельном производстве. Сущность изобретения: при изготовлении слоистого материала связующее наносят на плиты, их укладывают, формируют пакет и прессуют, при этом внутренние слои пакета выполняют из небольших фрагментов плит с перекрещивающимися осями. 3 з.п.ф-лы, 1 ил.
Patent RU-2104983-C1 (RU)
Title: Blend for manufacturing high-silica ceramic material
Inventor: LOZHNIKOV V B
IPC: C04B35/10
Filed: 1992-03-31
Granted: 1998-02-20
Abstract: FIELD: electronic and electrotechnical industries, more particularly manufacture of resistor mounts. SUBSTANCE: claimed blend comprises (wt %): 71-74 alumina; 14-19 clay; 4.5-6.5 talc; 3-4 calcium titanate; and 4.5-6.5 bentonite. EFFECT: greater expansion of sintered material and higher heat conduction of the material. 1 dwg
Patent RU-2064167-C1 (RU)
Inventor: SALDAEV ALEKSANDR M
IPC: G01G19/12
Filed: 1992-04-01
Granted: 1996-07-20
Abstract: FIELD: weighing technology. SUBSTANCE: invention is designed to weigh load directly on platform of vehicle, for instance, in truck body. Truck scale has cushioned frame and weight-converting apparatuses converting measured mass into electric signals anchored between parts of flexible suspensions and manufactured in the form of power sleeve which houses ball support and split hollow cone matched to it with the aid of tabs and screwed with threaded part of framework into upper part of power sleeve. Ball support is fitted with threaded bar connected to one end of flexible suspension and other end of flexible suspension is attached to bushing of power sleeve. Converters of value of measured mass are positioned on rear side of tabs of split hollow cone and are criented on surface of tabs along generatrix of outer cone. Thermocompensating converters are placed on inner surface of frame and are electrically connected to unit processing and registering value of measured mass. EFFECT: improved authenticity of weighing, simplified design. 13 cl, 5 dwg
Patent RU-2009222-C1 (RU)
Title: Method for production of pellets for blast furnace plant
Inventor: DEREVYANKO VASILIJ I
IPC: C22B1/24
Filed: 1992-04-15
Granted: 1994-03-15
Abstract: FIELD: ferrous metallurgy. SUBSTANCE: wet scrubbing sludges are premixed with limestone to obtain the mixture humidity of 8-10% . The bentonite is added to the mixture to obtain the proportion of iron, calcium, silicon, and solid carbon oxides of 1 : (1.4-2) : (0.3-0.7) : (0.1-0.3), respectively. The product is crushed and mixed with iron ore concentrate in the proportion of 1 : (0.9-19). EFFECT: improved quality of the product. 6 tbl
Patent RU-2042366-C1 (RU)
Title: Inhibitor for warding off ignition and explosion of hydrogen- air mixtures
Inventor: AZATYAN VILEN V
IPC: A62D1/00
Filed: 1992-05-13
Granted: 1995-08-27
Abstract: FIELD: explosion safety. SUBSTANCE: inhibitor is made of a mixture of alkanes and alkenes with 1 to 6 carbon atoms in a molecule, for example bottled domestic gas. EFFECT: higher explosion safety. 1 dwg, 1 tbl
Patent RU-2039498-C1 (RU)
Title: Tooth-brush
Inventor: IVANOV IGOR S
IPC: A46B9/04
Filed: 1992-06-02
Granted: 1995-07-20
Abstract: FIELD: articles of sanitation and hygiene. SUBSTANCE: tooth-brush has handle, flexible neck portion and head portion with bristles and is further provided with auxiliary neck portion fixed on sleeve, which is mounted on handle for movement along it. Auxiliary neck portion is made from rigid material. EFFECT: increased strength and enhanced reliability in usage. 2 cl, 5 dwg
Patent RU-2054623-C1 (RU)
Inventor: SARVAZYAN ARIEN P
IPC: G01B17/00
Filed: 1992-06-04
Granted: 1996-02-20
Abstract: FIELD: instrumentation. SUBSTANCE: device for metering dimensions and linear motion has a probe installed in a case with metering chamber filled with fluid with transducer of lengthwise acoustic oscillation placed in it. Metering cells with constant and changeable acoustic references are formed. EFFECT: high accuracy. 3 cl, 3 dwg
Patent RU-2076830-C1 (RU)
Title: Flying vehicle engine cowl
Inventor: DOBROSKOKOV ANATOLIJ L
IPC: B64D29/02
Filed: 1992-06-09
Granted: 1997-04-10
Abstract: FIELD: manufacture of aircraft; construction of cowls of power plants of aircraft engines. SUBSTANCE: engine cowl has doors fastened to suspension units made in form of two plates longitudinal slots and transversal notches and bolt fastener; they form members adjustable in length with hinges for securing the doors fitted at the ends. Unit for securing the plates to base is adjustable in vertical plane and is made in form of ear-fork joint. Side surface of fork 14 are provided with notch which is parallel to axis of member adjustable in length and is engageable with mating notches of washers. EFFECT: enhanced reliability. 3 cl, 4 dwg
Patent RU-2102342-C1 (RU)
Title: Способ изготовления непрерывного волокна из расплава базальтовых горных пород
Inventor: TREFILOV VIKTOR IVANOVICH
IPC: C03B37/00
Filed: 1992-07-06
Granted: 1998-01-20
Abstract: Использование: для получения химически стойких, высокотемпературных фильтров, тканей, конструкционных изделий. Сущность изобретения: базальтовую породу фракцией 5-15 мм и модулем кислотности 4,7-6,5 плавят без корректирующей добавки при температуре в печи 1500-1600 o C в окислительной среде. С повышением температуры расплава до 1600 o C увеличивается степень его аморфности. Соотношение Fe 2 O 3 :FeO составляет не менее 1,2, а сумма оксидов железа - 8-12%. Выработку волокна производят при температуре 1310-1370 o C и вязкости 12-85 Па•с. при соотношении   . Предельный температурный интервал выработки волокна - не менее 70 o C, температура верхнего предела кристаллизации - не более 1250 o C. 3 табл.
Patent RU-2092924-C1 (RU)
Inventor: ROMANOV KONSTANTIN K
IPC: H02K3/46
Filed: 1992-07-06
Granted: 1997-10-10
Abstract: FIELD: electrical engineering, transformers and electric machines. SUBSTANCE: in this toroidal structure magnetic core and windings are made bladed up with plates of constant thickness in cross-section along involute curve. EFFECT: increased adaptability to manufacture, expanded application field. 1 cl, 5 dwg