baber/WOPTO huggingface dataset:
Patent RU-2736682-C1 (RU)
Inventor: KUROCHKIN ANDREJ VLADISLAVOVICH
IPC: F25J3/00
Filed: 2020-06-05
Granted: 2020-11-19
Abstract: FIELD: gas industry. 
     SUBSTANCE: invention relates to preparation of natural gas containing helium and can be used in gas industry. Natural gas preparation plant with helium extraction includes a natural gas feed line divided into two lines. On the first line there located is the first heat exchanger, the second line adjunction, the first reducing device and the demethanizer with the heater in the stripping part located on the second line, equipped with the methane fraction line, which is divided into two lines. First heat exchanger, second line abutment, second reduction device and helium pre-concentration column with reflux section are arranged on first line and heater in stripping part located on second line, equipped with nitrogen-containing gas line and high-pressure liquefied natural gas output line with third reducing device located on it, reflux section of helium pre-concentration column and separator. Nitrogen-containing gas line is divided into two lines. On the first line there is a third heat exchanger, adjunction of the second line and a column for extraction of helium concentrate with a reflux section and a heater in the stripping part located on the second line. 
     EFFECT: simplified installation and increased output of natural gas. 
     1 cl, 1 dwg
Patent RU-2739374-C1 (RU)
Inventor: MAKI HIDEAKI
IPC: A61F13/49
Filed: 2018-12-07
Granted: 2020-12-23
Abstract: FIELD: satisfaction of human vital needs. 
     SUBSTANCE: absorbing article (1) having the shape of underpants has an upward-downward direction, a left-right direction and a forward-backward direction which intersect one another. Absorbing article (1), having the shape of underpants, includes absorbing main part (10) and first waist part (20), which is attached to absorbing main part (10) and which includes stretching sheet (24), capable of stretching in the left-right direction. Stretching sheet (24) has lower end (24b), which is located in a place located from above relative to upper end (10a) of absorbent body (10) and at a predetermined distance (lg) from upper end (10a) of absorbent main part (10) in up-down direction. 
     EFFECT: absorbent article is disclosed. 
     13 cl, 6 dwg
Patent RU-2742265-C1 (RU)
Title: Crude mixture for making fire-resistant articles
Inventor: Kharitonov Dmitrii Viktorovich
IPC: C04B35/101
Filed: 2020-07-29
Granted: 2021-02-04
Abstract: FIELD: chemistry. 
     SUBSTANCE: invention relates to production of refractory materials and can be used for production of ceramic units of high-temperature aggregates, ammunition, crucibles, boxes, protective cups, moulds operating at temperatures up to 1750 °C. Crude mixture for making refractory articles contains the following components, wt. %: alumina water slurry based on corundum fractions of less than 0.05 mm 35–40, granular aggregate containing fractions of electrocorundum 0.5–0.8 mm 8–10, fused mullite 0.4–2.5 mm 36–41 and fraction of electrocorundum 0.125–0.15 mm 11–14. Slurry has viscosity of 20–30 °E, the residue on sieve 005 is 0.1–1.0 wt. % and pH 10.2–11.2. 
     EFFECT: reduced stratification of crude mixture during moulding of large-size refractory articles (more than 100 mm in height) due to increased sedimentation stability, increased equal density, operational reliability of refractory materials, as well as reduction of rejects during their production. 
     1 cl, 4 ex
Patent RU-2740326-C1 (RU)
Inventor: Balchugov Aleksej Valerevich
IPC: F28D11/04
Filed: 2020-08-03
Granted: 2021-01-13
Abstract: FIELD: heat exchange.SUBSTANCE: invention relates to air cooling apparatus for conducting heat exchange processes between air and hot heat carrier using movable channels (rotating tubes) and can be used in gas, chemical and oil refining industry. Apparatus consists of staggered bundle of tubes, spiral tapes, angles, closed type bearings, tube grids, nozzles for inlet and outlet of hot heat carrier. Spiral tape is rigidly installed in each pipe. Rectangular angles are welded to external surface of pipes by their one end. Corners on outer surface of pipe are arranged in rows, in staggered order, and on external surface of one pipe there are eight rows of angles, and in adjacent rows, angles are directed with right angle to opposite sides.EFFECT: increased intensity of heat exchange; reduced material consumption of apparatus.1 cl, 4 dwg
Patent RU-2741974-C1 (RU)
Inventor: SINGH SUKHDEEP
IPC: F16H7/08
Filed: 2019-02-08
Granted: 2021-02-01
Abstract: FIELD: machine building. 
     SUBSTANCE: invention relates to the field of machine building. Tensioning device comprises a base, a pivoting lever engaged with the base with a base, a pulley connected by means of a bearing with a pivoted lever, torsion spring, pusher pivoting and loaded in unwinding direction. Torsion spring is engaged with damping shoe engaged in friction engagement with base and having a portion of damping shoe, comprising fluoroplastic, mixed with matrix material of plastic, wherein the fluoroplastic ranges from 2 to 4% of the weight of the matrix material from the plastic. 
     EFFECT: wider range of technical means. 
     5 cl, 6 dwg
Patent RU-2752356-C1 (RU)
Inventor: STANOVSKOI VIKTOR VLADIMIROVICH
IPC: F16H25/20
Filed: 2020-10-21
Granted: 2021-07-26
Abstract: Группа изобретений относится к области машиностроения. Винтовая пара для планетарной винтовой передачи содержит винт и гайку разного диаметра. Оси винта и гайки параллельно смещены друг относительно друга с помощью внутреннего или внешнего эксцентрика и имеют возможность вращаться одна относительно другой. Винтовая поверхность винта и гайки выполнена с зубчатыми профилями, сопрягающимися друг с другом. Зубчатый профиль и винтовая поверхность на одной из деталей в паре образованы отдельными зубьями, расположенными по винтовой линии, а зубчатый профиль и винтовая поверхность на второй детали выполнены как соответствующая огибающая зубьев первой детали. Также заявлена планетарная винтовая передача, которая содержит указанную винтовую пару, расположенную коаксиально с еще одной винтовой парой аналогичной конструкции. Винт или гайка одной из пар выполняет функцию гайки или винта для второй пары. Обеспечивается увеличение нагрузочной способности винтовой пары. 2 н. и 2 з.п. ф-лы, 5 ил.
Patent RU-2750847-C1 (RU)
Inventor: Derevianko Sergei Vladimirovich
IPC: G01N17/02
Filed: 2020-10-21
Granted: 2021-07-05
Abstract: Изобретение относится к обеспечению промышленной безопасности опасных производственных объектов и предназначено для работы в составе системы катодной защиты для выявления факта электрохимической коррозии металла подземных сооружений. Техническим результатом изобретения является обеспечение поддержания стабильного электродного потенциала электрода сравнения. Способ стабилизации электродного потенциала безэлектролитного электрода сравнения заключается в том, что по цепи между защищаемым объектом и электродом сравнения пропускают постоянный ток, стабилизированный до величины, необходимой для поддержания постоянного электродного потенциала электрода сравнения эквивалентным потенциалу медно-сульфатного электрода. Устройство стабилизации электродного потенциала безэлектролитного электрода сравнения, содержащее электрод сравнения, подключенный к защищаемому объекту, источник постоянного тока и регулируемый стабилизатор, при этом источник постоянного тока и регулируемый стабилизатор тока последовательно подключены в цепь между защищаемым объектом и электродом сравнения, при этом электрод сравнения характеризуется тем, что постоянный электродный потенциал электрода сравнения эквивалентен потенциалу медно-сульфатного электрода. 2 н. и 3 з.п. ф-лы, 2 ил.
Patent RU-2749340-C1 (RU)
Title: Method for producing aluminum oxide ceramic material modified with silver nanoparticles
Inventor: GLUSHKO VALENTINA NIKOLAEVNA
IPC: C04B41/88
Filed: 2020-10-23
Granted: 2021-06-08
Abstract: FIELD: ceramics production. 
     SUBSTANCE: invention relates to a technology for producing ceramics containing silver nanoparticles, which can be used as filters to disinfect water from pathogenic bacteria. The method for producing an aluminum oxide ceramic material modified with silver nanoparticles is carried out in two stages. First, the initial aluminum oxide ceramic material having a porosity of 20-40% is treated with ultrasound, preferably at 30 kHz, for 15-30 minutes, then washed with distilled water and immersed in concentrated nitric acid for 2-4 hours, then re-washed with distilled water and dried at a temperature of 140-160°C. Next, the ceramics is placed in a solution of silver methane-sulfonate or silver tri-fluor-acetate in ethylene glycol, kept under shaking or mixing until the solution is evenly distributed over the material surface, followed by the addition of an ethylene glycol solution of ascorbic acid, after which the impregnated material is kept under shaking or mixing at room temperature for 1-2 hours. The extracted ceramic material is washed with distilled water and dried at 70-90°C.  
     EFFECT: technical result of the invention is the creation of an industrially feasible process for obtaining effective ceramic filters for water disinfection with low losses of silver in the process of their manufacture. 
     1 cl, 2 ex
Patent RU-2755195-C1 (RU)
Inventor: Udintsev Sergei Nikolaevich
IPC: A23K50/80
Filed: 2020-12-29
Granted: 2021-09-14
Abstract: FIELD: aquaculture.SUBSTANCE: invention relates to the stimulation of the development of the nelma and can be used in aquaculture complexes and farms. The method provides for the enrichment of the feed with a complex of biologically active water-and fat-soluble organosulfide compounds, vitamins B1, B2, C, PP and beta-carotene contained in dried garlic powder. Dried garlic powder is included in the base feed at the rate of 5 or 30 g/kg of feed weight for four weeks.EFFECT: invention provides an increase in survival and an increase in the live weight gain of the nelma.1 cl, 7 tbl
Patent RU-2758898-C1 (RU)
Inventor: OSTROVSKAYA VERA MIKHAJLOVNA
IPC: G01N31/22
Filed: 2021-03-03
Granted: 2021-11-02
Abstract: FIELD: analytical chemistry.SUBSTANCE: invention relates to analytical chemistry, namely to a reagent indicator paper for the determination of chloride containing a chromogenic indicator: a silver compound with a reagent, 1-(3-methylpyrazole-5-yl]-5-(benzthiazole-2-yl)-formazanyl-6-cellulose of the general complex formula,where Cell is cellulose.EFFECT: increase in the expressiveness, sensitivity in a wide range of detectable chloride concentrations, while simultaneously improving the selectivity, simplicity and clarity of analysis, as well as the convenience of determining the chloride content in liquid media using various test forms of a new reagent indicator paper.3 cl, 6 dwg, 1 tbl, 3 ex
Patent RU-2760456-C1 (RU)
Title: Lubricating composition for hydraulic systems of agricultural machinery
Inventor: Volodko Oleg Stanislavovich
IPC: C10M101/00
Filed: 2021-04-28
Granted: 2021-11-25
Abstract: FIELD: agricultural engineering.SUBSTANCE: invention relates to the composition of lubricants used in hydraulic systems of agricultural machinery. A lubricating composition for hydraulic systems of agricultural machinery containing rapeseed oil, characterized in that it additionally contains DF-11 additive as an anti-wear and antioxidant additive, EFO additive as an antiscuffing pressure additive, fine graphite as an antifriction additive, PMS-200A additive as an anti-foam additive, with the following ratio of components, wt. %: DF-11 3…4; EFO 3…4; fine graphite 4…5, PMS-200A 0.003…0.004, rapeseed oil up to 100.EFFECT: increased reliability by reducing the wear of friction pairs of aggregates of agricultural hydraulic systems and improving the environmental performance of their work.1 cl, 1 dwg, 4 tbl
Patent RU-2765927-C1 (RU)
Title: Composite matrix for cell immobilization in a tissue-like biological cell system and a method of its spatial transformation in the process of cell immobilization
Inventor: NEDOSEEV SERGEJ LEONIDOVICH
IPC: A61L27/50
Filed: 2021-04-30
Granted: 2022-02-04
Abstract: FIELD: tissue engineering and biotechnology. 
     SUBSTANCE: inventions group relates to the field of tissue engineering and biotechnology and can be used for the cultivation of animal cells as part of bioartificial cell systems for cell technologies, tissue engineering, regenerative medicine, biopharmacology. Liquid-fibrous substrate consisting of a hydrophilized coil of polymer fibers obtained by electrospinning, the fiber diameter is less than 5 mcm, a reinforcing-mesh forming frame made of bioresorbable material with a rod thickness of 200-500 mcm. In this case, a ball of polymer fibers is placed in a culture fluid with suspended cells in the volume covered by the frame elements. By displacement of the elements of the forming framework and/or partial drainage of the culture liquid, the fibers of the liquid-fibrous substrate with immobilized cells are collected until a dense fibrous matrix-cell block is formed. 
     EFFECT: inventions group provides the achievement of a technical result consisting in the creation of a dense composite matrix from a liquid-fibrous substrate with a forming framework, and a volumetric population of the matrix with animal cells due to a step-by-step process of cell immobilization. 
     7 cl, 10 dwg
Patent RU-2761166-C1 (RU)
Title: Two-component herbicidal product
Inventor: Karakozova Svetlana Vasilevna
IPC: A01N25/04
Filed: 2021-06-02
Granted: 2021-12-06
Abstract: FIELD: agricultural industry. 
     SUBSTANCE: invention relates to the agricultural industry and is a two-component herbicidal agent in the form of an oil dispersion for use in crops of corn, soybeans and sunflower. The product includes the active compounds propisochlor and terbutylazine and stabilizing agents. The agent contains two stabilizing systems, namely: a surface-stabilizing system containing propisochlor, calcium dodecylbenzenesulfonate and xylene; and an oil-stabilizing system containing terbutylazine, a surfactant and a vegetable oil, at the stated ratio of the components in the system. The quantitative ratio of the surface-stabilizing system to the oil-stabilizing system is 2:1. 
     EFFECT: increasing the biological effectiveness of the agent, its stability during storage, ease of use. 
     2 cl, 3 tbl, 2 ex
Patent RU-2763682-C1 (RU)
Title: Optical system for determining aerosol compositions based on luminescent analysis of aerosol particles
Inventor: Kotkovskii Gennadii Evgenevich
IPC: G01N21/64
Filed: 2021-06-09
Granted: 2021-12-30
Abstract: FIELD: measuring technology. 
     SUBSTANCE: invention relates to the field of measuring technology and relates to an optical system for determining the composition of aerosols based on the luminescence analysis of aerosol particles. The optical system contains at least one source of exciting radiation with a focusing means, a subsystem for transmitting optical signals from the flow of aerosol particles, a subsystem for spectral separation, and detectors of scattered and luminescent radiation. Light-emitting diodes are used as sources of exciting radiation. The focusing means consists of a converging lens, a guide mirror and an aspherical lens. The optical signal transmission subsystem contains elliptical and spherical mirrors, an optical return element, a diaphragm and a collimating lens. The spectral separation subsystem contains beam-splitting mirrors, a cut-off filter installed after the first beam-splitting mirror, and a neutral light filter installed in front of the scattered radiation receiver. 
     EFFECT: increasing the efficiency of collection of radiation and the information content of the optical signal, simplifying the design of the optical system and the requirements for its maintenance. 
     12 cl, 3 dwg
Patent RU-2771036-C1 (RU)
Title: Лист анизотропной электротехнической стали
Inventor: TAKATANI Shinsuke
IPC: C22C38/12
Filed: 2020-01-16
Granted: 2022-04-25
Abstract: Изобретение относится к области металлургии, а именно к листу анизотропной электротехнической стали, используемому в качестве материала для железных сердечников трансформаторов. Лист анизотропной электротехнической стали содержит основной стальной лист, слой аморфного оксида, сформированный на основном стальном листе, и изоляционное покрытие с натяжением, сформированное на слое аморфного оксида. Основной стальной лист содержит в своем химическом составе, мас.%: C: 0,085 или меньше, Si: 0,80-7,00, Mn: 1,50 или меньше, растворимый в кислоте Al: 0,065 или меньше, S: 0,013 или меньше, Cu: 0-0,80, N: 0-0,012, P: 0-0,50, Ni: 0-1,00, Sn: 0-0,30 и Sb: 0-0,30, остальное - Fe и примеси. Блеск поверхности Gs20(A) в направлении, параллельном направлению прокатки, и блеск поверхности Gs20(B) в направлении, перпендикулярном направлению прокатки, составляют 2,0-70,0. Обеспечивается усиление адгезии между изоляционным покрытием и основным стальным листом, а также уменьшение магнитных потерь. 2 з.п. ф-лы, 3 ил., 5 табл., 2 пр.
Patent RU-2767642-C1 (RU)
Title: Vehicle drive wheel active drive
Inventor: POLIVAEV OLEG IVANOVICH
IPC: B60G11/18
Filed: 2021-10-04
Granted: 2022-03-18
Abstract: FIELD: transport machine building. 
     SUBSTANCE: invention relates to automotive industry. Active wheel drive of the vehicle includes a hollow hub with a blade, stops with channels, a control sensor of torque oscillations, gas-hydraulic accumulators. Blade is fixed on the drive axle of the wheel and forms two cavities, forward and backward stroke. Stops with channels connect the cavities of the hub with cavities of the gas-hydraulic accumulator. Torque oscillation control sensor is arranged on wheel drive axle shaft. Electronic signal from the sensor is transmitted to the electronic control unit and then to the electromagnetic coils mounted in the stop. Viscosity of the magnetic rheological fluid in the hub cavity is changed by means of coils. Hub cavities are connected via controlled adjustable throttles to gas-hydraulic accumulators. Cavity of the forward stroke hub is connected to two gas-hydraulic accumulators, and of the reverse stroke — to one. Gas-hydraulic accumulators have different rigidity and are made with possibility of interaction with electronic control unit. 
     EFFECT: increase in the operational capabilities of the vehicle is achieved by expanding the dynamic range. 
     1 cl, 1 dwg
Patent DE-2244007-C2 (DE)
Title: Resiliently supported block mounted railway track - has adjoining blocks in continuous channels in rigid support surfaces embedded in synthetic resin
IPC: E01B3/38
Filed: 1972-09-07
Granted: 1983-12-22
Abstract: The track has rails mechanically secured on separate blocks, carried by one or more resilient layers of rigid support surfaces. These layers are prefabricated from an elastomer containing gas-filled cells, esp. of cork. The blocks have the layers on their bottom and sides. In the direction of the rails (1) the blocks (3) are arranged adjoining each other in continuous channels, with a thin layer of resilient mat erial (11) interposed. The channels are located in rigid support surfaces (9), embedded in hard-setting synthetic resin. The blocks with their resilient layers (10) can be located in concrete channel elements with protruding reinforcement concreted into the support surfaces.
Patent DE-3047662-C2 (DE)
IPC: B25C1/04
Filed: 1980-12-18
Granted: 1985-02-21
Abstract: The present buffer system for a fastener driving device includes two cooperating buffer elements (16, 22) located at the bottom (17) of the driving cylinder (2). A first buffer element (16) of hard elastic material rests on the inwardly facing surface of the cylinder bottom (17) in such a manner that at least a portion of the surface (18) of the first buffer element (16) contacting the bottom (17) is movable relative to the bottom (17) of the driving cylinder (2). A second buffer element (22) made of an elastic material softer than the hard elastic material of the first buffer element, rests on the first buffer element.
Patent DE-3113587-C2 (DE)
Title: Leichtwasser-Kernreaktor mit einer kühlwasserführenden Kernumfassung
IPC: G21C13/00
Filed: 1981-04-03
Granted: 1985-03-28
Abstract: Bei einem Kernreaktor mit einem Strahlung emittierenden Kern (1) und einem diesen einschließenden Behälter (2) zur Führung eines Kühlmittels ist die Behälterwand mit parallelen Nuten (8) versehen. Die Nuten (8) haben eine Tiefe (T) von etwa einem Viertel der Wanddicke (D) oder mehr und der Ab stand (A) zwischen zwei benachbarten Nuten (8) ist ebenso groß wie die Tiefe (T). Sie ergeben eine Vergleichsmäßigung der Temperatur des Behälters (2), die durch die Strahlung in der Behälterwand erzeugt wird. Die Erfindung kommt insbesondere für die Kernumfassungen von Leichtwasserreaktoren in Frage.
Patent DE-3123682-C2 (DE)
Title: Verwendung einer Kupfer-Mangan-Legierung
IPC: C22C9/05
Filed: 1981-06-15
Granted: 1984-11-22
Abstract: Die Erfindung betrifft eine Legierung mit 5-30 Gew.% Mn, mindestens einem Element, wie Sn in einer Menge von nicht mehr als 5 Gew.%, Al in einer Menge von bis zu 8,5 Gew.%, Zn in einer Menge von bis zu 7 Gew.%, Fe in einer Menge von bis zu 2,5 Gew.% und Ni in einer Menge von bis zu 2,5 Gew.%, sowie im Rest (auf 100 Gew.%) Cu mit den normalen, unvermeidlichen Verunreinigungen als gegen den Bewuchs mit Meeresorganismen sicherer oder beständiger metallischer Werkstoff, sofern die Legierung die Bedingung erfüllt, daß sie ein  α-(flächenzentriertes kubisches Gitter)-Einphasengefüge besitzt.
Patent DE-3148799-C2 (DE)
Title: Lenkrolle
IPC: B60B33/00
Filed: 1981-12-09
Granted: 1986-10-16
Abstract: Die vorliegende Erfindung schafft eine stoßdämpfende Radaufhängung mit einem starren Joch mit einem aufwärts vorstehenden Hals sowie von dessen unterem Ende nach vorn oder hinten zwei abwärts auseinanderlaufenden Rohrstücken. Zwei elastisch biegsame Schenkel sind mit ihren oberen Enden in den Rohrstücken gelagert und verlaufen mit ihren mittleren Abschnitten allgemein parallel und abwärts in die gleiche Vor- oder Rückwärtsrichtung wie die Rohrstücke. Die unteren Enden der Schenkel sind in einer waagerechten Ebene aufeinanderzu abgewinkelt und in der Nabe eines zwischen den Schenkeln befindlichen Rades festgelegt. Das Rad befindet sich also vor oder hinter dem Joch und kann um die von den beiden Schenkelenden gebildete Achse drehen. Der Hals des Jochs ist an einem aufwärts vorstehenden Schaft, dieser seinerseits an der Unterseite eines Fahrzeugkörpers od.dgl. befestigt. Bei der Fahrzeugfahrt bzw. Drehung des Rades bewirken zeitweilige Auslenkungen des Rades, beispielsweise auf Fahrbahnunebenheiten, eine Ausbiegung der Schenkel, die sich zu einer Torsionsbelastung an den oberen Enden der Schenkel überträgt, wobei die Auslenkung von reibungsgedämpften Federn wirkungsvoll gedämpft wird.
Patent DE-3152378-C2 (DE)
Inventor: NEDERMAN BILL PETER PHILIP
IPC: F16J/
Filed: 1981-09-17
Granted: 1991-09-19
Abstract: Sealing device at least one path (2) providing a gas through-flow passage (1), said path having a longitudinal slit (8) via which at least one gas passage unit (11) movable along the path communicates with the gas through-flow passage, whereby said path has longitudinal sealing strips (9, 10) closing the slit and sealingly engaging the gas through-flow passage, whereby the path providing the gas through-flow passage is transformed into another path (17) without a gas through-flow passage and comprises a sealing device (19) for closing said gas through-flow passage. In order to provide sufficient good sealing property and durability at sealing devices of the above type, the sealing device according to the invention is characterized by sealing means (20, 21) which are connected to the sealing strips (9, 10), which extend out from the path (2) providing the gas through-flow passage (1) and along the path (17) without a gas through-flow passage and which engage each other but comprise gradually diverging parts (22, 23) in order to provide a separating portion (24) in which the gas passage unit (11) may slide in between the sealing means for separating said means.