baber/WOPTO huggingface dataset:
Patent RU-2737237-C1 (RU)
Title: Способ определения места и расстояния до места однофазного замыкания на землю в электрических сетях 6-35 кВ с изолированной или компенсированной нейтралью
Inventor: KULIKOV ALEKSANDR LEONIDOVICH
IPC: G01R31/08
Filed: 2020-05-12
Granted: 2020-11-26
Abstract: Изобретение относится к электротехнике, в частности к способам определения местоположения повреждений (ОМП) в электрических сетях 6-35 кВ с изолированной или компенсированной нейтралью. Технический результат: повышение точности определения расстояния до места однофазного замыкания на землю. Сущность: подключают балластное сопротивление к резервной ячейке секции шин распределительного устройства, в котором есть замыкание на землю, включают высоковольтный выключатель резервной ячейки, обеспечивая протекание через балластное сопротивление ограниченного по величине и времени двухфазного тока короткого замыкании;. устанавливают устройство релейной защиты с возможностью регистрации фазных токов и напряжений каждого присоединения и резервной ячейки распределительного устройства, а также с возможностью фиксации однофазных замыканий на землю в каждом присоединении распределительного устройства, определения места и расчета расстояния до места однофазного замыкания на землю; подключают балластное сопротивление к резервной ячейке секции шин распределительного устройства, в котором есть замыкание на землю; включают высоковольтный выключатель резервной ячейки, обеспечивая протекание через балластное сопротивление ограниченного по величине и времени двухфазного тока короткого замыкания; фиксируют токи и напряжения всех фаз; определяют место и рассчитывают расстояниеlдо места однофазного замыкания на землю по реальной части комплексного выражения,гдеIпфиUпф- соответственно ток и напряжение поврежденной фазы, на которой произошло однофазное замыкание на землю;IнфиUнф- соответственно ток и напряжение неповрежденной фазы;Iб- ток, протекающий через балластное сопротивление;IфбиUфб- соответственно ток и напряжение фазы, замкнутой на балластное сопротивление;zлиzm– собственное и взаимное удельные сопротивления поврежденной линии. 2 ил.
Patent RU-2736838-C1 (RU)
Title: Method of processing granular materials in a vibro-bubbled layer and device for its implementation
Inventor: SIZIKOV VALENTIN STANISLAVOVICH
IPC: F26B17/26
Filed: 2020-04-24
Granted: 2020-11-20
Abstract: FIELD: technological processes. 
     SUBSTANCE: group of inventions relates to processing of granular materials in aerovibro-fluidized layer and can be used for heat, mass-exchange and mechanical processes in production of construction materials, chemical, agricultural and foundry industries. In the method of processing granular materials in the vibro-bubbled layer, the material is fed onto the load-carrying surface of the vibration conveyor and vibro-transported in the direction of unloading from the plant. At that, the vibrating layer particles are exposed to the flow or several gas flows by bubbling it through the vibration layer of the material, wherein supply of gas into the vibrating layer of material is carried out through a gap formed by a continuous load-carrying vibrating surface and a boundary edge of the walls of the bubbler outlet branch pipe, not more than the height of the part of the material layer located above the edge of the walls of the outlet branch pipe of the said bubbler. Disclosed also is a device for processing granular materials in a vibro-bubbled layer, in which at least one bubbler is connected to the gas supply means with at least one branch pipe of the outlet hole immersed in the vibration layer of the material, wherein the size of the gap between the load-carrying surface and the edge of the walls of the bubbler outlet branch pipe shall not exceed the height of the portion of the material layer located above the edge of the walls of the branch pipe of the outlet of the said bubbler. 
     EFFECT: technical result consists in reduction of power consumption, increase of efficiency and operational reliability, in expansion of application area. 
     8 cl, 9 dwg
Patent RU-2742562-C1 (RU)
Title: Bottle plug
Inventor: BERROA GARCIA JAVIER
IPC: B65D51/00
Filed: 2017-12-07
Granted: 2021-02-08
Abstract: FIELD: packaging.SUBSTANCE: invention relates to a bottle plug comprising a pouring element (1) assembled with a hinged closing cap (2) for its engagement with the bottle neck, wherein the closing cap (2) can be arranged in an open and closed position. The closing cap (2) comprises a bulge (3) in the nearest part thereof to the pouring element (1), wherein the bulge (3) is in contact with the pouring element (1) in the open position of the closing cap (2), wherein the pouring element (1) comprises at least one side flange (7) protruding from the pouring element (1).EFFECT: invention enables producing high-quality bottle plugs.8 cl, 3 dwg
Patent RU-2741633-C1 (RU)
Inventor: ZHAO QUN
IPC: H04W72/02
Filed: 2017-11-16
Granted: 2021-01-28
Abstract: Изобретение относится к технике связи и может использоваться в системах беспроводной связи. Технический результат состоит в повышении пропускной способности каналов передачи. Для этого во время мультиплексирования информации подтверждения приема гибридного автоматического запроса на повторную передачу (HARQ-ACK) и восходящих данных при передаче определяют начальное положение и сдвиг частотной области символов модуляции HARQ-ACK, отображенных на ресурсы физического уровня, причем сдвиг частотной области представляет собой каждый из сдвигов частотной области ресурсных элементов, на которые отображаются различные символы модуляции HARQ-ACK, и отображают каждый символ модуляции HARQ-ACK на соответствующий ресурсный элемент согласно начальному положению и сдвигу частотной области. Соответственно, символы модуляции HARQ-ACK можно равномерно распределить на максимально возможное количество символов мультиплексирования с ортогональным частотным разделением (OFDM), предпочтительно в частотной области, сначала во временной области, причем можно исключить снижение показателей передачи данных по восходящей линии, вызванное концентрированным распределением символов модуляции HARQ-ACK на одном или более символах OFDM. 6 н. и 28 з.п. ф-лы, 23 ил.
Patent RU-2738665-C1 (RU)
Inventor: ZOLOTAREV DMITRIJ NIKOLAEVICH
IPC: F16H37/04
Filed: 2020-06-11
Granted: 2020-12-15
Abstract: FIELD: machine building. 
     SUBSTANCE: invention relates to multistage gearbox with dual clutch. Multistage transmission (10) comprises housing (12) of main reduction gear (13) with multiple paired gears (14-15), (16-17), (18-19), (20-21), (22-23), (24-25-26), controlled by couplings (27), (28) and (29), to obtain different gear ratios. Gears (14), (16), (18), (20), (22) and (24) are installed on primary shafts of round solid (30) and hollow (31) sections. Shafts (30) and (31) are connected via two clutch couplings (32) and (33) to input shaft (34). Gears (15), (17), (19), (21), (23) and (25) are arranged on intermediate shaft (35) passing through support plate (36). In gearbox (10) gears (14), (16), (18), (20), (22) and (24) are rigidly fixed on shafts (30) and (31) and located one after another. Double-sided couplings (27), (28) and (29) are mounted in series in gaps (38), (39) and (40) between each pair of gears (17-19), (15-23), (21-25), installed freely on intermediate shaft (35). Shaft (35) is rigidly fixed to block (42) of gears (43) and (44) of additional reduction gear (45). Gears (43) and (44) are engaged with gears (46) and (47) installed freely on output shaft (37). Gears (46) and (47) are controlled by two-way clutch (48). Output shaft (37) has section (49) passing through support plate (36). On section (49) one-way coupling (50) is installed, which is located coaxially to gear rim with friction cone (51). Gear rim with cone (51) is fixed on primary shaft (30) of solid cross-section. 
     EFFECT: higher traction-speed characteristics of vehicle. 
     4 cl, 2 dwg
Patent RU-2740848-C1 (RU)
Title: Method for prediction of menstrual recovery in adolescent girls with normogonadotropic oligomenorrhea
Inventor: RYMASHEVSKIJ ALEKSANDR NIKOLAEVICH
IPC: G01N33/543
Filed: 2020-08-10
Granted: 2021-01-21
Abstract: FIELD: medicine. 
     SUBSTANCE: invention refers to medicine, particularly to gynecology, and aims at predicting recovery of menstrual cycle in adolescent girls with normogonadotropic oligomenorrhea. Blood serum ELISA is used to measure inhibin-B, while urine 6-sulphatoxymelatonin excretion is examined. If blood serum inhibin-B level is 78.3 pg/ml and more, and urine excretion 6-sulphatoxymelatonin is 43.4 ng/ml and less, a favorable prognosis of menstrual recovery is observed. If blood serum inhibin-B is less than 78.3 pg/ml and urine excretion 6-sulphatoxymelatonin is more than 43.4 ng/ml, an unfavorable prognosis of menstrual recovery is stated. 
     EFFECT: invention provides more accurate prediction of clinical course and higher clinical effectiveness aimed at restoring the menstrual cycle. 
     1 cl, 1 tbl, 3 ex
Patent RU-2753279-C1 (RU)
Title: Ultrasonic transducer and apparatus for treatment with focused ultrasound
Inventor: XU GUIHUA
IPC: A61N7/02
Filed: 2018-09-07
Granted: 2021-08-12
Abstract: FIELD: medicine. 
     SUBSTANCE: ultrasonic transducer is comprised of a sound generating unit and a sound emitting surface. The sound generating unit is configured to generate an ultrasonic wave. The sound emitting surface constitutes a spherical surface with a first cut, a second cut and a third cut, wherein one large circumference of the sphere corresponding with the sound emitting surface is the main large circumference, the first cut and the second cut are located at two intersections of the spherical surface and the diameter perpendicular to the main large circumference, respectively, and the third slice connects the first cut with the second cut. Within certain distances from the main large circumference, on either side of the main large circumference, respectively, the cross-section of the sound emitting surface, parallel to the main large circumference, is arc-shaped, the hole of the arc corresponds with the third cut, and the central angle corresponding with the arc is more than 180 degrees and less than 360 degrees. The sound emitting surface is capable of reflecting ultrasound, and the ultrasonic wave generated by the sound generating unit is focused on the centre of the sphere corresponding with the sound emitting surface. The apparatus for treatment with focused ultrasound comprises an ultrasound transducer. 
     EFFECT: use of the group of inventions allows to increase the safety of treatment. 
     16 cl, 19 dwg
Patent RU-2760165-C1 (RU)
Title: Ролик, выполненный с возможностью поддержки вращающейся доильной платформы
Inventor: KALEMPA WALENTY
IPC: A01K1/12
Filed: 2019-06-14
Granted: 2021-11-22
Abstract: Изобретение относится к ролику, выполненному с возможностью поддержки вращающейся платформы. Ролик (8) содержит по меньшей мере один боковой фланец (8a, 8b), содержащий внутреннюю поверхность (8a 1 , 8b 1 ), поверхность (8c) качения, которая должна соприкасаться с плоской поверхностью (4c) катания верхнего рельсового элемента (4), соединенного неподвижно с вращающейся платформой (1), и плоской поверхностью (5с) катания нижнего рельсового элемента (5), установленного неподвижно. Ролик содержит дополнительно круговую выемку (8e), соединяющую поверхность (8c) качения с внутренней поверхностью (8a 1 , 8b 1 ) бокового фланца (8a, 8b), и круговая выемка (8e) имеет такую глубину, что плоские поверхности (4c, 5c) катания верхнего рельсового элемента (4) и нижнего рельсового элемента (5) не соприкасаются с нижней поверхностью (8e 1 ) круговой выемки при потенциальном угловом отклонении между плоскими поверхностями (4a, 5a) катания рельсовых элементов (4, 5) и осью (8g) вращения ролика (8). Технический результат: создание ролика, выполненного с возможностью поддержки вращающейся доильной платформы, конструкция которой обеспечивает увеличенный срок службы. 2 н. и 12 з.п. ф-лы, 5 ил.
Patent RU-2752783-C1 (RU)
Inventor: FETISOVA IRINA NIKOLAEVNA
IPC: G01N33/53
Filed: 2020-12-18
Granted: 2021-08-03
Abstract: FIELD: medicine. 
     SUBSTANCE: invention relates to medicine. The essence of the invention lies in the fact that polymorphism of the 5,10-methylenetetrahydrofolate reductase (MTHFR C677T) gene is determined in leukocytes of peripheral venous blood in women with widespread genital endometriosis and endometriosis-associated infertility, and upon detection of the carriage of the MTHFR 677T allele in homozygotic or embryos with an accuracy of 77%. Invention can be used to predict aneuploidy of embryos in the program of in vitro fertilization (IVF) in women with advanced genital endometriosis and endometriosis-associated infertility. 
     EFFECT: method does not affect the IVF procedure, is non-invasive for oocytes and embryos and allows women to be identified in the risk group for receiving aneuploid embryos from them, provides a personalized approach to the appointment of pre-implantation genetic testing, which contributes to an increase in the efficiency of the IVF procedure. 
     1 cl, 1 tbl, 3 ex
Patent RU-2757191-C1 (RU)
Title: Multi-layered non-woven structure for use as component of disposable absorbent products
Inventor: MIKHILS Dani
IPC: A61F13/53
Filed: 2018-07-19
Granted: 2021-10-11
Abstract: FIELD: layered products. 
     SUBSTANCE: present invention relates to multi-layered non-woven structures used as components of disposable absorbent products and clothing, containing superabsorbing particles and, thus, acting as a core. Thus, the invention provides a possibility of penetration of the biological bodily fluids from the first layer acting as a reception layer into the third layer containing SAP particles, wherein the second non-woven layer serves to reduce the volume of liquid per unit surface as a standard dispersion layer. However, the second layer of the invention additionally acts as a return valve, preventing or at least strongly limiting any transfer of liquid from the third to the first layer. SAP-free channels can be additionally constructed to improve the input properties and the rewetting property of the multi-layered non-woven sheet material with a reception and distribution layer. 
     EFFECT: production of multi-layered non-woven structures for use as components of disposable absorbent products and clothing. 
     14 cl, 12 dwg, 1 tbl
Patent RU-2760692-C1 (RU)
Title: Complex production line for woodworking and producing an aqueous extract from the stem of a tree, production line for producing an aqueous extract from the stem of a tree (variants)
Inventor: Varlov Roman Aleksandrovich
IPC: F26B3/02
Filed: 2021-02-09
Granted: 2021-11-29
Abstract: FIELD: woodworking. 
     SUBSTANCE: invention relates to the woodworking industry and production of products containing biologically active substances. The complex production line includes a woodworking line and a line for producing an aqueous extract from the stem of a tree, wherein the two lines are combined so that the woodworking line includes at least one drying chamber for lumber, acting simultaneously as a saturation chamber of the production line for producing an aqueous extract from the stem of a tree. 
     EFFECT: more complete and comprehensive use of wood raw materials is provided, emission of polluting substances is eliminated, and production of an aqueous extract including a wide range of natural biologically active substances, from the stem of a tree, is provided, wherein the composition of biologically active substances in the resulting aqueous extract is sufficiently stable. 
     4 cl, 4 dwg
Patent RU-2768336-C1 (RU)
Inventor: SUROV VALERIJ PAVLOVICH
IPC: A63C5/00
Filed: 2021-03-26
Granted: 2022-03-23
Abstract: FIELD: sport. 
     SUBSTANCE: proposed solution relates to production of skis. Essence of the proposed solution consists in the fact that, first, a base is installed on which the boot fastener is fixed, after which the side edges and a sliding element that forms a cross-section of the ski in the form of a trapezoid, in which the base and the ski sliding element are not parallel to each other, after which the structure is sent to the press to form skis. 
     EFFECT: broader functional capabilities. 
     1 cl, 3 dwg
Patent RU-2763744-C1 (RU)
Title: Isolation apparatus and measuring transducer with an isolation apparatus
Inventor: KNAB WOLFGANG
IPC: H01H3/46
Filed: 2019-10-21
Granted: 2021-12-30
Abstract: FIELD: electrical engineering. 
     SUBSTANCE: invention relates to the field of electrical engineering, namely, to an isolation apparatus (1) and to a measuring transducer (3) with such isolation apparatus (1), used to electrically disconnect the measuring transducer from the current circuit of the distribution apparatus and connect to a current circuit. The technical result of the invention is achieved due to the fact that the isolation apparatus (1) includes a switching rod (5) capable of moving between the deactivation position and the activation position, and a locking element (7) capable of being fixed in two different locking positions on the anchoring element (21), wherein the locking element (7) and the switching rod (5) are made so as to come into form-fit interconnection if the locking element (7) is in the first locking position, and to come into form-fit interconnection in the deactivation position of the switching rod (5) if the locking element (7) is in the second locking position. 
     EFFECT: increase in the reliability of the isolation apparatus. 
     15 cl, 7 dwg
Patent RU-2767630-C1 (RU)
Title: Drain valve for draining liquid from the pipe string
Inventor: Ziiatdinov Radik Ziauziatovich
IPC: E21B34/14
Filed: 2021-09-10
Granted: 2022-03-18
Abstract: FIELD: oil industry. 
     SUBSTANCE: invention relates to the oil industry and is intended for draining liquid from a pipe string before lifting them from a well in order to protect the environment from pollution by well liquid. The drain valve for draining liquid from the pipe string contains a ball, a coupling with a hole, a fitting connected by a thread in the coupling hole with a hollow cylinder outlet with a side hole. A rod spring-loaded with a compression spring is installed in the hollow cylinder. A thread is made at the upper end of the rod, and the lower end of the rod is equipped with an outer annular protrusion, the rod is also equipped with an outer cylindrical recess and an annular groove. The outer annular groove is located on the rod below the outer cylindrical recess. An adjusting nut is screwed onto the thread of the rod, which compresses the compression spring from the upper end of the hollow cylinder when the outer annular protrusion of the rod interacts with the lower end of the hollow cylinder. The hollow cylinder below the side hole is equipped with an internal annular groove. A split spring ring is installed in the inner annular groove of the rod, in the initial position the side hole of the hollow cylinder is hermetically sealed by the rod, hydraulically separating the tubular and annulus spaces of the well, and in the working position, after the interaction of the ball with the upper end of the adjusting nut, the rod has the possibility of limited axial movement down until it hits split spring ring into the outer annular groove of the rod and fixing the rod from moving upward relative to the hollow cylinder. The outer cylindrical selection of the rod through the side hole of the hollow cylinder, the outlet and the fitting hydraulically communicate the tubular and annular spaces of the well. 
     EFFECT: increasing the reliability and efficiency of the valve, as well as eliminating the likelihood of device failure in operation. 
     1 cl, 4 dwg
Patent DE-2252826-C2 (DE)
Title: Vielschicht-Reflexionspolarisator
IPC: G02B27/28
Filed: 1972-10-27
Granted: 1985-04-04
Abstract: Die Erfindung betrifft einen schmalbandigen Reflexionspolarisator aus dielektrischen Vielfachschichten fuer unpolarisierte unter dem Winkel theta aus einem Medium mit dem Brechungsindex na mit einer Wellenlaenge lambda1 einfallende elektromagnetische Strahlung im ultravioletten, sichtbaren oder infratoren Spektralbereich. Er besteht aus einem Substrat mit dem Brechungsindex ns und mindestens zwei aufgedampften Schichten aus abwechselnd hochbrechendem und niedrigbrechendem Material, wobei alle hoch- und niedrigbrechenden Schichten die gleiche effektive optische Schichtdicke aufweisen, die gleich einem ungeraden gangzahligen Vielfachen von lambda1/4 sind. Mit der Erfindung werden Formeln f r einen Reflexionspolarisator angegeben, bei dem aus unpolarisierter einfallender Strahlung die s- oder die p-Komponente schmalbandig unterdr ckt wird. Wegen der Schmalbandigkeit des Reflexionspolarisators bei einfallender breitbandiger Strahlung ergibt sich ausserdem die Wirkung eines Polarisationsfilters.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ...U.S.W
Patent DE-2931456-C2 (DE)
IPC: H04M19/08
Filed: 1979-08-02
Granted: 1982-10-28
Abstract: 1. A parallel regulating circuit for the production of a constant output voltage (U2) from a variable input voltage (U1), wherein the input voltage (U1) is connected by means of a telecommunications line, and wherein there is arranged, parallel to a voltage source (S) which has a predetermined internal resistance (R1) and produces the input voltage, a setting element (T1) which shunts a component portion of the input current if the input voltage (U1) is higher than a reference voltage (UB) but is otherwise blocked, an wherein there is arranged parallel to the setting element (T1) an energy store (C) from which the output voltage (U2) is emitted, characterised in that there is arranged in the connection path between the setting element (T1) and the energy store (C) a switching element (T2) which is actuated simultaneously with the setting element (T1) and which always interrupts current between the energy store (C) and the setting element (T1) when the setting element (T1) is blocked.
Patent DE-3017424-C2 (DE)
IPC: H01H1/02
Filed: 1980-05-07
Granted: 1987-01-15
Abstract: There is described a material for electrical contacts based on silver having 5 to 20 weight % tin oxide and 0.5 to 5 weight % tungsten oxide which has the welding strength reduced further without producing an increased switching temperature. The material contains additionally 0.1 to 5 weight % of bismuth oxide.
Patent DE-3051206-C2 (DE)
Title: Hypocholesterolaemic salts and ester(s) from monacolin K - are prepd. by cultivation of monascus strains followed by salification or esterification
Inventor: TSUJITA YOSHIO
IPC: C07D309/30
Filed: 1980-07-25
Granted: 1992-10-08
Abstract: Salts and esters of the free acid corresp. to the lactone Monacolin K, are useful as anti-hypercholesterolemic agents. The cpds. are 1-(R)nOOC-CH2-CHOH-CH2-CHOH-CH2-CH2-2,6-dimethyl 8-CH3-CH2-CH(CH3)-COO 1,2,6,7,8,8a-hexahydro-naphthalene derivs. (where R is a metallic atom or an opt. substd. alkyl gp. and n is the inverse of the valence of gp. R). Cpds. are anti-hypercholesterolemic having activity similar to or superior to that of Monacolin K. Cpds. are administered orally or parenterally e.g. adult daily doses are 0.1-100 mg, pref. 0.1-10 mg for metallic salts and 0.5-100 mg, pref. 0.5-10 mg for esters. Activity tests show concentrations which inhibit 50% of 3-hydroxy-3-methylglutaryl-CoA reductase and cholesterol biosynthesis activity and redn. of cholesterol in rats' blood and liver. Cpds. have low toxicity oral LD50 being greater than 2000 mg/kg and i.p. LD50 being greater than 50 mg/kg.