baber/WOPTO huggingface dataset:
Patent RU-2693836-C1 (RU)
Title: Inertial switch
Inventor: KITAEV VLADIMIR NIKOLAEVICH
IPC: H01H35/14
Filed: 2018-09-06
Granted: 2019-07-05
Abstract: FIELD: electrical engineering. 
     SUBSTANCE: invention is intended for commutation of electric circuits with passage of high currents in systems of autonomous technical objects moving at the initial section with significant pulse acceleration under action of forces from various types of accelerating devices. Inertial switch includes a housing, in which a spring-loaded stop is installed, which interacts with a conical surface with a ball holding it, contacts which are commutated by the conducting surface of the stopper. Body is made in the form of a guiding bush, inside of which the main stopper is placed coaxially, and an additional stopper in the form of a female bushing is installed outside. Ball interacting with conical surface of the main stopper is installed in the inclined hole made in the housing wall, the inclination angle of which to the longitudinal axis of the housing is less than the angle of conical surface of the main stop interacting with the ball. From the main stopper end, made with two areas of the support surface on the outer diameter, the lower of which is made spherical, insulator is fixed with an electrically conducting ring interacting with the main stop moving the spring to the upper zone of the support surface exit from the body hole with fixed contacts fixed on the terminals. Contact surface of fixed contacts is tapered. Main retainer is composite with internal threaded rod. 
     EFFECT: increase in the safety. 
     1 cl, 5 dwg
Patent RU-2696049-C1 (RU)
Title: Rear wheel suspension
Inventor: Novikov Vyacheslav Vladimirovich
IPC: B60G11/00
Filed: 2018-09-27
Granted: 2019-07-30
Abstract: FIELD: motor vehicle industry. 
     SUBSTANCE: invention relates to car suspensions. Rear suspension of car wheels comprises rear axle beam, reactive bars, telescopic hydraulic shock absorbers and air springs. Pneumatic springs comprise bellows-type air balloons and hollow pistons. On upper end along axis of piston are installed buffer of maximum compression stroke and air damper made in form of throttle and check valve communicating cavity of pneumatic cylinder with cavity of piston. Suspension is equipped with inertia-friction damper resiliently installed behind rear axle beam middle part on swinging lever. Lever is connected with additional hydraulic shock absorber and has two lugs. One lug is connected via axle to rear beam of axle by means of bracket, and the other one – to one end of torsion shaft. Other end of the shaft is rigidly fixed on the beam of the rear axle next to one of the wheels. Inertial-friction shock-absorber is made in form of planetary reduction gear. On the output shaft of the reduction gear flywheel is installed through the friction with possibility of axial movement and rotation relative to the output shaft. On the input shaft there is a rotary lever, on the end of which there is a traction rod. Throttle axis crosses axle of swinging lever and torsion bar. 
     EFFECT: higher smoothness and vehicle stability. 
     1 cl, 3 dwg
Patent RU-2697533-C1 (RU)
Title: Circular grinder
Inventor: CHERENOV ALEKSEJ BORISOVICH
IPC: B24B53/07
Filed: 2018-09-28
Granted: 2019-08-15
Abstract: FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used for grinding, for example, rollers of bearings, as well as raceways of inner rings of bearings. Machine comprises bed with transverse guides, support with grinding head and spindle with two grinding wheels fixed on it. Table is installed on the longitudinal guiding of the bedplate with a device for dressing of the grinding wheel fixed on it, which is made in the form of a spindle with a ruling roller and its rotation drive. On the table there are two devices for fastening and rotation of parts. Grinding head is made rotary relative to the axis parallel to the axis of rotation of the grinding wheel spindle, and its feed mechanism – with vertical arrangement of the supply screw, on the upper end of which the grinding head rests during grinding of parts and straightening of the grinding wheels.EFFECT: higher geometrical accuracy and efficiency of processing parts of complex profile.5 cl, 2 dwg
Patent RU-2685926-C1 (RU)
Title: Интерметаллидный сплав на основе никеля и изделие, выполненное из него
Inventor: KABLOV EVGENIJ NIKOLAEVICH
IPC: C22C19/05
Filed: 2018-11-14
Granted: 2019-04-23
Abstract: Изобретение относится к области металлургии, а именно к жаропрочным интерметаллидным сплавам на основе никеля, предназначенным для изготовления методами точного литья деталей газотурбинных двигателей. Сплав на основе интерметаллида никеля содержит, мас.%: 8,1 - 8,6 Аl, 5,6 - 6,3 Сr 4,5 - 5,5 Мо, 2,5 - 3,5 W, 0,3 - 1,0 Ti, 0,15 - 0,2 С, 4,0 - 5,0 Со, 1,2-1,6 Re, 0,002 - 0,2 La, 0,05 - 1,0 Zr, 0,002 - 0,2 Nd, 0,002 - 0,2 Y, Ni - остальное. Сплав характеризуется низким содержанием кислорода в сплаве, высокими значениями кратковременной и длительной прочности при температурах 1100 - 1200°С. 2 н.п. ф-лы, 2 табл., 3 пр.
Patent RU-2686934-C1 (RU)
Inventor: Anoshkin Aleksandr Nikolaevich
IPC: B29C70/36
Filed: 2018-11-22
Granted: 2019-05-06
Abstract: FIELD: technological processes. 
     SUBSTANCE: group of inventions relates to a method and apparatus for producing reinforced composite articles by pressure impregnation. Method allows making articles from composite materials based on thermoplastic binders. This technology can be used in production of aircraft, ship, automotive and construction products, as well as sports equipment. According to method components of thermoplastic polymer and equipment are heated to temperature of 100–170 °C in inert medium of nitrogen gas, polymer material is supplied to connecting head connected to shaping equipment. Shaping tooling is connected to vacuum line of vacuum pump. Polymer material is impregnated under action of vacuum pump. Then thermoplastic binding material is supplied under pressure of 10–20 MPa for impregnation of reinforcing material. At the same time surpluses of thermoplastic polymer binder from equipment are supplied to trap for polymer. Binder of the thermoplastic material is polymerised. After impregnation the tool is cooled and the part is withdrawn from the rigging. Proposed plant comprises two containers with thermoplastic polymer components: capacitor for liquid caprolactam with activator and capacity for liquid caprolactam with catalyst equipped with temperature transducers and agitators with drive. Containers are connected to supply line of compressed nitrogen and supply lines of components. Connecting head is connected to the shaping equipment by the polymer feeding line. Plant is equipped with a vacuum main line connected to a vacuum pump with a drive motor and to a shaping tooling. Components feeding lines are provided with dosing pumps with drive motors connected with containers with thermoplastic polymer components. 
     EFFECT: technical result of group of inventions is obtaining articles from composite materials with thermoplastic binder with given properties. 
     2 cl, 1 dwg
Patent RU-2700067-C1 (RU)
Title: Active coal production method
Inventor: KLUSHIN VITALIJ NIKOLAEVICH
IPC: C01B32/324
Filed: 2018-12-04
Granted: 2019-09-12
Abstract: FIELD: manufacturing technology. 
     SUBSTANCE: invention relates to a method of producing active coal based on polymer composite materials and can be used in liquid-phase and gas-phase sorption technologies. Starting material used is a solid polyamide composite with a binder which is impregnated with a potassium hydroxide solution. Coefficient of impregnating composite with potassium hydroxide is 1:(1.4–1.6). Further, heat treatment is carried out at heating rate of 10–15 °C/min to final temperature 650–720 °C. Raw material used is a solid composite containing 75–80 wt% polyamide-benzimidazole fibers and 20–25 wt% of epoxy resin ED-20 as binder, milled to grain size of 0.5–3.0 mm. 
     EFFECT: invention increases adsorption capacity of active coal during sorption of benzene and toluene from water. 
     3 cl, 3 ex
Patent RU-2712615-C1 (RU)
Title: Dry filter with high efficiency of dust collection and optimum dimensions
Inventor: HAUBOLD CHRISTIAN
IPC: E21F5/20
Filed: 2018-12-25
Granted: 2020-01-29
Abstract: FIELD: mining. 
     SUBSTANCE: invention is intended for catching dust and other volatile substances from industrial waste gases and can be used, in particular, in mining industry and tunnel construction. Dry dust collection filter comprises a housing, a non-purified gas channel, a cleaned gas channel with separation walls, filter elements, device for unloading of caught dust, fan for transportation of mine air. Non-purified gas channel and cleaned gas channel are located in filter case lying one above the other and separated from each other by means of dividing wall passing in it, which generates common horizontal of filter housing, which is inclined to the filter casing top from the raw gas inlet towards the cleaned gas outlet direction. Filtration elements are connected with separating wall and/or frame structure of filter casing. 
     EFFECT: higher efficiency of dust collection. 
     22 cl, 16 dwg
Patent RU-2700398-C1 (RU)
Title: Method of transmitting data in a digital radio communication system based on codes with low density of parity checks and a method of interleaving code symbols
Inventor: ZHDANOV ALEKSANDR EDUARDOVICH
IPC: H03M13/11
Filed: 2018-12-29
Granted: 2019-09-16
Abstract: FIELD: data processing and transmission. 
     SUBSTANCE: invention relates to means for transmitting data in a digital radio communication system based on codes with low density of parity checks. At the transmitting side, data packets are formed, each of which contains an ordered sequence of information symbols. Each information symbol is repeated a certain number of times, depending on its number in order in a sequence of symbols, forming a sequence of repeated information symbols. Number of repetitions is determined in advance. Interleaving in the sequence of repeated information symbols is performed to obtain diversity of consecutive repeating information symbols and forming a sequence of interleaved repeated information symbols. Interleaved repeated information symbols are divided into groups so that the first verification symbol is obtained by summation over the given module of the initial value of the variable summation with all interleaved repeated information symbols from the first group. 
     EFFECT: technical result consists in improved efficiency of coding. 
     6 cl, 8 dwg
Patent RU-2708899-C1 (RU)
Title: Method of determining oxygen storage capacity in oxide materials
Inventor: Tereshchenko Andrei Aleksandrovich
IPC: G01N23/083
Filed: 2019-05-10
Granted: 2019-12-12
Abstract: FIELD: physics. 
     SUBSTANCE: use for determination of oxygen storage capacity in materials based on metal oxides. Summary of invention consists in the fact that method includes irradiating the analyzed sample with X-rays with energy determined during calibration with reference samples, wherein the difference in absorption coefficients between the reduced and oxidized forms of the reference samples is maximum, absorption coefficients are recorded in oxidative and reducing medium, fraction of difference of these coefficients is determined from difference of absorption coefficients measured for reference samples, and storage capacity of oxygen is calculated according to specified formula. 
     EFFECT: enabling measurement of the oxygen storage capacity index regardless of the type of reducing gas used and the nature of the oxidized and reduced oxide phases. 
     4 cl, 4 dwg
Patent RU-2710461-C1 (RU)
Title: Lift transmission preventing falling
Inventor: MENG QINGRUI
IPC: B66B11/04
Filed: 2017-04-12
Granted: 2019-12-26
Abstract: FIELD: machine building. 
     SUBSTANCE: elevator transmission, preventing falling, comprises drum (3), planetary gear transmission, coupling, right brake, left brake, engine (25), high-speed shaft (28), gear transmission mechanism, two-section gear-type pump (34), oil chamber (33) and two-position four-way electromagnetic guide valve (32). During normal lifting, left and right brakes are not in braking state, coupling is engaged, and engine (25) controls rotation speed of drum (3) by means of planetary gear. In case of sudden failure of supply, accompanied by failure of brake, clutch is disengaged, left and right brakes perform braking, planetary gear transmission is converted into a gear train with a fixed axis, the left and right brakes respectively stop sun gear (4) and the planetary gear carrier (7), and eventually drum (3) stops. When speed of drum (3) is close to zero, two-section gear pump (34) stops operation, left brake is released, load continues to rotate drum (3) and two-section gear pump (34) continues operation. Process is repeated continuously until the load lands at low speed. 
     EFFECT: due to design, elevator according to present invention can prevent accident caused by cargo drop at high speed in case of sudden power failure, accompanied by brake failure. 
     3 cl, 1 dwg
Patent RU-2734710-C1 (RU)
Title: Nanoparticles based on biodegradable polymers with anticancer drugs encapsulated therein
Inventor: KARKISHCHENKO NIKOLAJ NIKOLAEVICH
IPC: A61P35/00
Filed: 2019-06-14
Granted: 2020-10-22
Abstract: FIELD: medicine. 
     SUBSTANCE: invention refers to medicine, namely to oncology, to nanoparticles based on biodegradable polymers with anticancer preparations encapsulated therein and can be used for treating malignant growths. Nanoparticles based on biodegradable polymers with anticancer preparations encapsulated therein are made in the form of spherical double-layer structures containing an outer insulating layer and inner spherical part made of biodegradable polymers selected from polyglycolide group, poly-DL-lactide, polylactide-glycolides (PLGA) containing 50 % of L-isomer and 50 % of D-isomer or polylactide-glycolides (PLGA), containing 85–90 % of L-isomer and 10–15 % of D-isomer, inner spherical part of two-layer structure is encapsulated in its volume with nanoparticles of anti-tumour preparations in amount of 36 to 54 wt. %. Antineoplastic preparations are selected from a group of fluorouracil, or a mixture of fluorouracil with exogenous siRNA205, or a mixture of fluorouracil with exogenous siRNA205 and cisplatin, or a mixture of fluorouracil with cisplatin. Nanoparticles of anti-tumour preparations can be adsorbed on the surface of the inner spherical part of the two-layer structure. Spherical nanoparticles are made with diameters of 10 to 200 nm, and thickness of outer insulating layer is selected depending on expected time of controlled delivery of anti-tumour preparations to affected tissue and makes 0.15–0.32 of external diameters of nanoparticles. Produced nanoparticles provide effective inhibition of growth of malignant growth, increased cytostatic activity and selective effect on tumour cells. Besides, obtained nanoparticles provide targeted effect of anti-cancer preparations on tumour cells without isolation of anticancer preparations in surrounding tissues during movement to tumour cells with simultaneous reduction of treatment time and reduced biochemical load on patient's body. 
     EFFECT: invention provides high clinical effectiveness with obtaining a stable therapeutic effect ensured by the inhibitory effect on malignant growth. 
     4 cl, 1 tbl, 3 dwg
Patent RU-2727383-C1 (RU)
Title: Электродное покрытие
Inventor: Litvinova Tamila Ruslanovna
IPC: B23K35/365
Filed: 2019-07-03
Granted: 2020-07-21
Abstract: Изобретение может быть использовано при изготовлении электродов для ручной дуговой сварки низкоуглеродистых высокопрочных низколегированных сталей. Электродное покрытие содержит мрамор, плавиковый шпат, каолин, полевой шпат, ферромарганец, ферросилиций, ферротитан, пластификатор, железный порошок и кварцевый песок в заданном соотношении. Дополнительно покрытие содержит модифицирующую смесь, включающую хром азотированный, хром алюмотермический, алмаз детонационного происхождения, алюминид никеля и диоксид церия. Техническим результатом изобретения является повышение предела хладноломкости при обеспечении ударной вязкости металла сварного соединения не менее 34 Дж/смпри температурах до минус 70°С с сохранением значений его предела прочности не ниже 590 МПа. 1 з.п. ф-лы, 3 ил., 3 табл., 1 пр.
Patent RU-2715490-C1 (RU)
Inventor: GALKIN VLADISLAV IGNATEVICH
IPC: E21B47/06
Filed: 2019-07-30
Granted: 2020-02-28
Abstract: FIELD: measurement technology; oil and gas industry. 
     SUBSTANCE: invention relates to methods of determining current formation pressure without stopping wells for investigation during their operation. Method consists in determining the oil saturated formation parameters: the cumulative water production (Qw n ), initial reservoir pressure (Prs n ) in the selection zone of the well, operating time (T) after input from drilling, bottomhole pressure (Pbh), skin factor (S), gas factor (Gf), initial permeability of collector (Kper n ) in the sampling zone of this well, oil flow rate (Qn), further, by the values of Prs n  and T, the well bed formation pressure Prs T-M  of the model is established by mathematical relationship. Using the previously defined parameters Prs n , T, Qw n , Pbh, S, Gf, Kper n  and Qn by discriminant analysis calculated discriminant function value Z hole pattern on the mathematical formula. Class of well model is determined from discriminant function Z: at Z>0 – model of well is referred to the first class, at Z<0 – well model is referred to the second class. If the constructed model of the well relates to the first class, formation pressure of the model of the well Prs T-M1  is calculated using a mathematical formula. In the case of classification well model to the second class is calculated pressure reservoir well model Prs T-M2  on the mathematical formula. Using the previously obtained values of Prs T-M  and Prs T-M1  or Prs T-M2 , current reservoir pressure of the exploited well is calculated using a mathematical formula. 
     EFFECT: improving accuracy of determining current formation pressure at operated well without its stopping. 
     1 cl, 1 dwg
Patent RU-2732837-C1 (RU)
Title: Method for grinding, separation and removal of hard-to-grind components of mixture of materials from working chamber of spiral jet mill
Inventor: WINTER FRANK
IPC: B02C19/06
Filed: 2019-08-14
Granted: 2020-09-23
Abstract: FIELD: crushing or grinding of various materials. 
     SUBSTANCE: invention relates to methods for grinding hard-to-master mixture components. Method consists in that hard-to-crumbled components are removed from the working chamber by means of fluid medium through at least one additional outlet branch pipe. Outlet pipe is opened simultaneously with interruption of supply of material to be ground or with displacement from it in time. 
     EFFECT: method makes it possible to optimize the grinding process by means of faster and effective removal from the grinding chamber of residues collected in it during grinding. 
     9 cl, 1 dwg
Patent RU-2721684-C1 (RU)
Title: Methyl 2,3,8-trioxo-4-phenyltetrahydro-6h-pyrazolo[1,2-a]pyrrolo[2,3-c]pyrazole-9a(1h)-carboxylates
Inventor: MASLIVETS ANDREJ NIKOLAEVICH
IPC: C07D487/04
Filed: 2019-09-06
Granted: 2020-05-21
Abstract: FIELD: chemistry. 
     SUBSTANCE: invention refers to organic chemistry and pharmacology. Disclosed are novel biologically active individual compounds of pyrazolo[1,2-a]pyrrolo[2,3-c]pyrazoles, specifically methyl 2,3,8-trioxo-4-phenyltetrahydro-6H-pyrazolo[1,2-a]pyrrolo[2,3-c]pyrazol-9a(1H)-carboxylates, which are obtained by reacting 1H-pyrrole-2,3-dione (I) with azomethine imine (II) in ratio of 1:1 in a solvent medium at room temperature, followed by separation of desired products. Solvent used is absolute chloroform or other inert aprotic solvents. 
     
       
     
     EFFECT: compounds have pronounced analgesic activity and can be used as initial products for synthesis of heterocyclic systems and in pharmacology as potential drug preparations with analgesic properties. 
     1 cl, 1 tbl, 3 ex
Patent RU-2721973-C1 (RU)
Inventor: YAKKARINO LUKA
IPC: B26B19/22
Filed: 2019-02-19
Granted: 2020-05-25
Abstract: Изобретение относится к устройствам для стрижки волос. Гребень (200) для филировки волос содержит пару зубцов гребня. Каждая пара содержит основной зубец (216) гребня и соседний вспомогательный зубец (217) гребня. Дальний основной кончик (218) основного зубца (216) гребня проходит в продольном направлении за дальний вспомогательный кончик (219) вспомогательного зубца (217) гребня. Блокирующий канал (226) между основаниями основных и вспомогательных зубцов (216, 217) гребня предотвращает попадание волос, попавших в него, на режущий элемент (106) машинки (100) для стрижки волос. Также имеется промежуток (225) для срезания, разделяющий соседние пары зубцов гребня для обеспечения возможности прохождения волос к режущему элементу (106) машинки (100) для стрижки. Дальние основные кончики (218) разделяют волосы на первой стадии разделения. Дальние вспомогательные кончики (219) разделяют волосы между блокирующим каналом (226) и промежутком (225) для срезания на второй стадии разделения. Техническим результатом изобретения является улучшение филировки волос. 2 н. и 6 з.п. ф-лы, 5 ил.
Patent RU-2730630-C1 (RU)
Title: Device for connection of internal and external housings of turbomachine
Inventor: GUSENKO SERGEJ MIKHAJLOVICH
IPC: F01D25/26
Filed: 2019-11-12
Granted: 2020-08-24
Abstract: FIELD: machine building. 
     SUBSTANCE: invention relates to turbo and aircraft engine building. Device for connection of internal (2) and external (1) housings of turbomachine includes mechanisms of connection of housings, each of which includes brackets (3) with lugs (4) rigidly fixed on outer housing, brackets (5) rigidly fixed on inner housing, tie-rods (8), one end pivotally fixed in ears of brackets of external housing. Each bracket (5) of inner housing is equipped with axis (6), and device comprises at least three mechanisms of connection of bodies, each of which is additionally equipped with rocker (7), pivotally fixed on axis of bracket of inner housing and with pair of tie rods of equal length, wherein rocker is made so that centre of hinge mounting of rocker on axis of bracket of inner case is equidistant from centres of hinged attachment of appropriate pair of rods in lugs of outer casing brackets. 
     EFFECT: technical result is reduction of tension in tie-rods, reduced wear in hinge joints, reduced number of device elements. 
     6 cl, 5 dwg
Patent RU-2738955-C1 (RU)
Inventor: SHarafutdinov Vitalij Rasimovich
IPC: H04B15/02
Filed: 2019-11-27
Granted: 2020-12-21
Abstract: Изобретение относится к конструированию печатных плат, конкретно к способам их резервирования. Техническим результатом является возможность 3-кратного резервирования, компоновки и трассировки резервной цепи в том же слое, что и резервируемой цепи и уменьшения восприимчивости резервируемой цепи к внешним кондуктивным воздействиям. Для этого способ резервирования цепей включает компоновку и трассировку резервируемой и резервной цепей, так что компоновка и трассировка резервируемой цепи выполняются на верхнем слое подложки, сигнальные проводники выполняются за счет зазоров в опорной проводящей пластине, а компоновка и трассировка резервной цепи выполняются на нижнем слое подложки зеркально верхнему слою, резервируемые и резервные сигнальные проводники одноименных цепей располагаются друг под другом, а оставшиеся проводники электрически соединяются друг с другом, при этом сигнальные одноименные цепи прокладываются двумя парами, параллельно друг другу, на верхнем и нижнем слоях, причем пара верхнего слоя расположена зеркально нижнему слою, так что в качестве резервируемого проводника может выступать любой из четырех проводников, а другие три проводника будут являться для него резервными. 1 ил.