baber/WOPTO huggingface dataset:
Patent RU-2697769-C1 (RU)
Inventor: ZHUKOV MIKHAIL NIKOLAEVICH
IPC: A47C7/50
Filed: 2019-01-10
Granted: 2019-08-19
Abstract: FIELD: satisfaction of vital human requirements.SUBSTANCE: invention relates to furniture and can be used both in everyday life for work, training and recreation. An orthopedic device attached to the lower part of the chair seat by fasteners consists of two anatomic support rollers fixed on the variable-length guides, wherein the guides are rotatable relative to the fastening elements, in the lower part of each guide there is a bracket, by means of which the guide is attached to the rack with variable length, besides, each rack is hingedly installed in the other fastening element.EFFECT: invention can be used for health improvement and correction of posture disorders and is aimed at taking a pose as close as possible to Hero Pose without interruption in work and study.1 cl, 3 dwg
Patent RU-2716648-C1 (RU)
Title: Cooled blade of gas turbine
Inventor: KRAVCHENKO VIKTOR ALEKSANDROVICH
IPC: F01D11/24
Filed: 2019-07-16
Granted: 2020-03-13
Abstract: FIELD: turbines or turbomachines. 
     SUBSTANCE: cooled gas turbine blade comprises a blade body with an inlet, a trough, a back, inlet and outlet edges, a cooling channel with partitions and deflectors. There are holes for cooling air supply on blade surface. An insert in the form of a cylindrical rotary valve is installed in the cooling channel. In the inlet hole there is a petal valve made from material having shape memory effect. Cylindrical rotary valve is equipped with rotary composite axis fixed by its one end in blade body and by its other end connected with cylindrical rotary valve. Rotary composite axis consists of sections and is made of material having shape memory effect. As material with shape memory effect, alloys based on iron and nickel can be used. 
     EFFECT: invention is aimed at improvement of turbine efficiency at variable modes. 
     1 cl, 6 dwg
Patent RU-2723506-C1 (RU)
Inventor: Zhogolev Konstantin Sergeevich
IPC: A61B3/00
Filed: 2019-07-25
Granted: 2020-06-11
Abstract: Изобретение относится к области медицины, в частности к офтальмологии, и может быть использовано для лечения ламеллярного макулярного разрыва у пациентов с максимально корригируемой остротой зрения до 0,7. Проводят дооперационное измерение с помощью оптической когерентной томографии максимального диаметра макулярного разрыва и минимальной толщины сетчатки. Определяют вероятность повышения максимальной коррекции остроты зрения Р по оригинальной расчетной формуле. При Р>0,5 ожидается повышение максимальной коррекции остроты зрения. При Р<0,5 повышение максимальной коррекции остроты зрения не ожидается. Способ обеспечивает возможность точного прогнозирования результатов лечения ламеллярного макулярного разрыва с максимально корригируемой остротой зрения ниже 0,7. 1 ил., 4 пр.
Patent RU-2708059-C1 (RU)
Title: Method of combined treatment of severe forms of secondary neovascular glaucoma
Inventor: KHODZHAEV NAZRULLA SAGDULLAEVICH
IPC: A61F9/007
Filed: 2019-08-21
Granted: 2019-12-03
Abstract: FIELD: medicine. 
     SUBSTANCE: invention refers to medicine, namely to ophthalmology, and can be used for treating severe forms of secondary neovascular glaucoma. Ranibizumab solution is introduced into the anterior chamber of the eye in amount of 0.025 ml (0.25 mg) with 29 G-diameter needle through a puncture within the limb parallel to the iris plane. That is followed by a contact transscleral diode laser cyclophotocoagulation (CPC) in a microimpulsive mode in a hemisphere of the eyeball in the lower hemisphere from 4 to 8 hours in 4 mm from the limb, then cyclically in upper hemisphere of eyeball from 10 to 2 hours in 4 mm from limb, with power 2,000 mW, working cycle 31.3 %, pulse duration 0.5 ms, period 1.1 ms. Exposure per one cycle makes 10 s. First cycle of exposure is performed along arc of circumference of 120 degrees in one direction, the second cycle along the same circular arc in the opposite direction; the next cycles are performed similarly to the first two cycles. Total of 8 cycles are performed in the upper hemisphere of eyeball and 8 cycles in the lower hemisphere of the eyeball. After 1 month, intravitreal introduction of VEGF inhibitor ranibizumab in amount of 0.05 ml. 
     EFFECT: method enables achieving stable hypotensive effect and preservation of visual functions due to regression of iris neovascularization and reduced number of new vessels in ACA, reduced activity of proliferative processes in posterior segment of eye. 
     1 cl, 2 ex
Patent RU-2716923-C1 (RU)
Title: Method of contact butt pressure welding
Inventor: NAFIKOV MARAT ZAKIEVICH
IPC: B23K101/32
Filed: 2019-09-16
Granted: 2020-03-17
Abstract: FIELD: technological processes. 
     SUBSTANCE: invention relates to butt-contact pressure welding and can be used in butt welding of metal rods. In the ends of the welded bars there performed are blind cylindrical holes, the rods are pressed along the annular contacts by welding force, the metal of the rods is heated to the plastic state by welding current and is settled. Limiting half-clamps fixed on rods at joint point restrict plastic deformation in direction from bars axis. Butt welding mode is selected based on the condition of complete filling of the holes with heated metal. Recommended cross-section of holes is selected equal to 0.5…0.6 of bars cross-section, depth – 0.15…0.20 of bar diameters. 
     EFFECT: application of the welding method makes it possible to form high-strength welded connection of rods without formation in the zone of joint of the external surfacing. 
     1 cl, 2 dwg
Patent RU-2725534-C1 (RU)
Title: Техногенный грунт
Inventor: PYTALEV STEPAN VLADIMIROVICH
IPC: B09B3/00
Filed: 2019-11-25
Granted: 2020-07-02
Abstract: Изобретение относится к охране окружающей природной среды, в частности к экологичной утилизации отходов, образующихся при бурении скважин и добычи нефти и газа. Техногенный грунт характеризуется тем, что он получен из следующих ингредиентов, взятых в следующем соотношении: отходы от бурения скважин и добычи нефти и газа, включающие глинистый грунт и токсичные компоненты - 1,0 м; инертный материал на основе минерального грунта - не менее 0,4 м; стабилизатор грунта на основе минеральной кислоты и поверхностно-активного вещества - 85-250 мл; вода по расчету на влажность готового продукта не более 80%. Изобретение обеспечивает создание техногенного грунта, который при его высоких характеристиках по прочности и плотности не загрязняет окружающую среду при его использовании в качестве вторичного ресурса. 6 з.п. ф-лы, 6 пр.
Patent RU-2732975-C1 (RU)
Title: Method for plastic repair of nose and upper lip defects after removal of malignant growths
Inventor: KLOCHIKHIN ARKADIJ LVOVICH
IPC: A61B17/322
Filed: 2019-12-19
Granted: 2020-09-25
Abstract: FIELD: medicine. 
     SUBSTANCE: invention refers to medicine, mainly to reconstructive surgery, and can be used for plasty of nasal vestibule defect and upper lip after removal of malignant growths. After excision of the tumour of the vestibule of the nose and upper lip, a triangular skin-fat transposition flap is cut out of the jaw to compensate for the defect of the upper lip; the flap is unfolded and fixed with sutures to the lower part of the defect of the upper part of the upper lip. For reconstruction of nose vestibule defect, similar flap is cut from opposite side, which is delivered via through incision into nasal cavity at edge of piriform opening, wherein the free edge of the flap is folded in the form of a duplicate and fixed in a nasal vestibule wound, forming a cavity bottom and a vestibule of the nose and columella. 
     EFFECT: method provides improved functional and aesthetic result of reconstruction of nose vestibule and upper lip defect by performing skin-fat flaps. 
     1 cl, 1 dwg, 1 ex
Patent RU-2728970-C1 (RU)
Inventor: Kantyukov Denis Tagirovich
IPC: B01D1/22
Filed: 2020-02-04
Granted: 2020-08-03
Abstract: FIELD: oil and gas industry.SUBSTANCE: invention relates to petrochemical and gas industry, in particular to methods of separation and purification of waste process fluids, such as amines, glycols, motor, turbine and transformer oils. Method of two-stage thermal regeneration of waste process fluids including feeding liquid into upper part of film evaporator No.1, into annular space of which flue gases are supplied from burner for heating of heat exchange tubes of evaporator, through which regenerated liquid drains by uniform layer, which provides evaporation of a large portion of the end product, and the remaining portion of the end product with contained contaminants flows to the bottom part of the evaporator, where the vapor is separated and removed from the bottom part of the evaporator No.1, and still liquor is removed and mixed with stilling liquor of rectification column, in which heavy components are condensed owing to reaction with the distillate flowing from the distillation column head, after which the obtained mixture is separated into 2 streams, wherein first is mixed with fresh raw material and supplied to film evaporator No.1, thus providing internal circulation of raw material with low content of heavy products, and second in upper part of film evaporator No.2, into annular space of which flue gases are supplied from burner for heating of heat exchanging tubes of evaporator, through which regenerated liquid drains by uniform layer, which provides evaporation of greater part of target product, and the remaining part of the end product with high content of contaminants flows into the bottom part of the evaporator, where also pairs are coming, where the pairs are separated and withdrawn from the bottom part of evaporator No.2, and still liquor is removed and most of it is mixed with feedstock of evaporator No.2 and is directed to film evaporator No.2, thus providing internal circulation of raw material with high content of heavy products, and balance excess of bottom product of evaporator No.2 is removed from plant in form of heavy processing residue, at that, the target product pairs from the bottom part of the evaporator No.1 and the evaporator No.2 are supplied to the lower part of the rectification column for further purification from heavy components, are condensed in the refrigerator and collected in the product container, wherein in order to exclude the degraded product degradation processes from the thermal action and its repeated contamination with the osmosis products, the regeneration process is carried out at an absolute pressure of 1.0–90 kPa, which is created by means of vacuum pump connected to tank for collecting cleaned product, which enables to reduce operating temperature of process in evaporator No.1 and evaporator No.2 to 200–350 °C depending on type of processed raw material.EFFECT: higher efficiency of regeneration unit for waste industrial fluids while maintaining quality of purification of end product.1 cl, 1 dwg
Patent RU-2725984-C1 (RU)
Title: Downhole filter
Inventor: BOLOTIN NIKOLAJ BORISOVICH
IPC: E21B43/08
Filed: 2020-02-06
Granted: 2020-07-08
Abstract: FIELD: oil and gas industry.SUBSTANCE: invention relates to oil and gas industry, specifically to means of oil and gas filtration. Filter comprises nipples, a coupling and at least one filter unit containing a filter element with stringers laid parallel to the well filter axis between the limiting rings, and coils of the profiled wire wound on them. Each filtering unit comprises inner pipe with lengthwise ribs, external cylinder with radial holes and stringers arranged coaxially without clearance and provided with outer cylinder.EFFECT: higher bending strength while maintaining torsional strength, efficient cleaning.10 cl, 23 dwg, 2 tbl
Patent RU-2723087-C1 (RU)
Title: Chaotic oscillator
Inventor: PROKOPENKO VADIM GEORGIEVICH
IPC: H03B29/00
Filed: 2020-02-25
Granted: 2020-06-08
Abstract: FIELD: computer equipment.SUBSTANCE: invention relates to computer engineering. Generator comprises first and second double-pole elements with inductive resistance, first leads of which are connected to first resistor first lead, second lead of which is connected to first lead of double-pole element with capacitive resistance and first output lead of first nonlinear impedance converter, second output lead of which is connected to second lead of double-pole element with capacitive resistance, wherein second, third and fourth resistors are introduced therein, first and second leads of the second resistor are connected to the first input lead of the first nonlinear impedance converter and the second lead of the first double-pole element with inductive resistance, respectively, first and second leads of the third resistor are connected to the second input lead of the first nonlinear impedance converter and the second lead of the second double-pole element with inductive resistance, respectively.EFFECT: technical result consists in expansion of chaotic oscillation parameters control limits.1 cl, 22 dwg
Patent RU-2738145-C1 (RU)
Inventor: KHISAMOV RAIS SALIKHOVICH
IPC: E21B43/20
Filed: 2020-04-22
Granted: 2020-12-08
Abstract: FIELD: oil, gas and coke-chemical industries. 
     SUBSTANCE: invention relates to oil industry and can be used in development of powerful low-permeability oil deposit using vertical cracks of multi-stage hydraulic fracturing of formation (MSHF) and using gas-lift method of operation. Method for development of powerful low-permeable oil deposit includes drilling on deposit of horizontal wells - HW, cementing of horizontal shafts between casing string and header, secondary opening of reservoir, performance of multi-stage hydraulic fracturing of formation - MSHF, use of packers for separation of horizontal shafts into sections, extraction of products from HW. Reservoir is selected consisting of two formations matched in structural plan, wherein upper formation is purely oil-saturated, and lower one has water-oil contact, or is also purely oil-saturated, total thickness of nonreservoir between formations does not exceed 20 m, total oil-saturated thickness of upper productive formation is not less than 30 m, lower - not less than 20 m, It characterized by oil reservoir gas content of not less than 300 m 3 /t. HW is drilled at bottom of upper productive formation with distance between horizontal shafts 500–1500 m in plan, horizontal boreholes are arranged parallel to each other and oriented along a bisector formed between a vector of maximum stress of the formation and direction of natural cracks. All HW are made by producers. In all HW, the MSHF is carried out so that the formed cracks create a hydrodynamic connection between the upper and lower productive formations. After withdrawal of formation product and formation pressure drop to the value at which the liquid flow rate of the fluid is reduced by no more than four times from the initial value, the well in which the given yield drop occurred is transferred to the gas lift mode of operation, wherein said gas is represented by produced oil gas from said deposit. Said operations are carried out in all HW deposits, water breakthrough from water-bearing area of lower bed to HW, as well as prevention of reduction of formation pressure below pressure of oil saturation with gas are controlled by modes and operating time of all wells of the deposit. 
     EFFECT: technical result consists in improvement of oil recovery of powerful low-permeability oil deposit. 
     1 cl, 1 dwg
Patent RU-2734578-C1 (RU)
Title: Method for measuring the electric field strength of increased accuracy
Inventor: Biriukov Sergei Vladimirovich
IPC: G01R29/12
Filed: 2020-06-02
Granted: 2020-10-20
Abstract: FIELD: measuring equipment. 
     SUBSTANCE: invention relates to measurement equipment and can be used for measurement of electric field intensity in wide spatial range with high accuracy. Proposed method consists in placing sensor in analyzed point of field and determining magnitude of vector of intensity of measured field by its output signal. Second sensor is placed in the same point of the field, having an error of opposite sign and differing in modulus, and a modulus of the electric field intensity vector is determined from it. Then, according to certain electric field intensity vector modules E 1  and E 2,  their ratio k 0 =E 1 /E 2  and spatial measurement range   (R - linear size of the sensor; d - distance to the field source) are calculated. Calculated values are used to determine errors   and  , through which the intensity E 0 '=E 1 /(1+δ 1 ) and E 0 ''=E 2 /(1+δ 2 ). Then average value of modulus of intensity vector of electric initial field is determined by formula E 0 =(E 0 '+E 0 '')/2. 
     EFFECT: high accuracy of measuring intensity of inhomogeneous electric fields in a wide spatial range of measurements. 
     1 cl, 2 dwg, 1 tbl
Patent RU-2741376-C1 (RU)
Inventor: Sigua Badri Valerievich
IPC: A61B17/11
Filed: 2020-07-15
Granted: 2021-01-25
Abstract: FIELD: medicine. 
     SUBSTANCE: invention refers to medicine, namely to hepato-pancreatobiliary surgery. Formed intestinal reservoir from a jejunal loop, folded in the form of double-barrels throughout 10-12 cm, fixed with a series of seromuscular sutures for 6-8 cm. On antimesenteric edges of both knees double-barrel perform two longitudinal enterotomies length equal to half the diameter of stump of pancreas at distance of 2-3 cm from gun collar. Internal edges of the enterotomies are sutured and a double-row pancreatic jejunoanastomosis of the end-to-side type is formed with external edges of the enterotomies. 
     EFFECT: method makes it possible to increase area of cover of a pancreatic stump, with an inconsistency of an anastomosis to provide restriction of distribution of a liquid congestion. 
     1 cl, 2 ex, 4 dwg
Patent RU-2741607-C1 (RU)
Inventor: Semenov Vladislav Lvovich
IPC: B23K35/363
Filed: 2020-09-15
Granted: 2021-01-27
Abstract: FIELD: technological processes. 
     SUBSTANCE: invention relates to fluxes for copper and copper alloys tinning with low-temperature solders, for example, tin and lead or tin and indium solders, and can be used in production of tinned copper wire, as well as during soldering and tinning of wiring elements, integrated microcircuits, metal surfaces of printed circuit boards and terminals of electric radio elements in household appliances, as well as electrodes, screening elements, photoelectric modules, cable-conductor articles for various purposes. Flux for soldering and tinning copper wire contains citric acid, glycerol and isopropyl alcohol, as well as synthesized aminosiloxane of general formula  . 
     EFFECT: technical result consists in increase of activity of flux, improvement of wettability of surface of copper wire, spreading of solder, adhesion of coating with surface of copper wire. 
     1 cl, 4 tbl
Patent RU-2761323-C1 (RU)
Title: Rotary drum furnace for firing light porous filling aggregates
Inventor: ORLOV ALEKSANDR DMITRIEVICH
IPC: F27B7/00
Filed: 2020-10-09
Granted: 2021-12-07
Abstract: FIELD: furnaces. 
     SUBSTANCE: invention relates to rotary drum furnaces for producing light concrete filling aggregates such as expanded clay, granular foam glass, granular foam glass ceramics, as well as firing and calcining various bulk and granulated materials, e.g., porous catalysts or carriers of the catalytic layer. The furnace consists of a cylindrical drum supported by two support units, configured for the inclination of the drum do be adjusted, and is divided into three technological areas along the length: an isothermal firing area located in a stationary heating chamber equipped with a burner system, and two cantilever areas: a material heating area and a fired material cooling area, wherein the latter is located outside of the heating chamber whereto an unloading chamber is attached at the unloading end of the drum, wherein the material heating area is made in the form of a coaxial countercurrent drum heat exchanger with indirect heating of a material constituting a heat-insulated casing enveloping the outer surface of the drum in this area with a gap, forming a through inner annular channel, one end whereof communicates with the heating chamber for a possibility of heating this area with combustion products of the fuel, supplied from the heating chamber, and the other end communicated with a smoke removal chamber located at the loading end of the drum equipped with a loading assembly. 
     EFFECT: increased stability and controllability of the technological process, reduced bulk density of the finished product, and reduced fuel consumption per unit of the product are ensured. 
     1 cl, 2 dwg
Patent RU-2764450-C1 (RU)
Title: High-pressure injector and method for manufacturing parts therefor
Inventor: Vavilov Igor Anatolevich
IPC: B05B1/14
Filed: 2020-11-20
Granted: 2022-01-17
Abstract: FIELD: engineering elements.SUBSTANCE: invention relates to a high-pressure injector. The technical result is achieved by a high-pressure injector provided with a filter, a supply channel, flow-conducting surfaces, a jet rectifier, a compression channel, a sealing ring, a nozzle with an outlet, and a body of the nozzle. The filter, the supply channel, the jet rectifier, and the compression channel are therein made in one manufacturing cycle as a single part in the form of a stabiliser filter, the shape of the outer surface whereof constitutes a cylinder transitioning into a uniformly tapering cone. The filter is therein made in the form of rounded inlet slots on the cylindrical surface of the stabiliser filter, and the inner surface of the jet rectifier is made in the shape of a cone tapering towards the outlet, and the flow compression channel is made in the form of a branch pipe smoothly tapering from the maximum diameter on the side of the jet rectifier to the diameter of the input section of the nozzle.EFFECT: increase in the uniformity of the flow and parallelism of the flow of the longitudinal axis, reduction in pressure losses and, therefore, increase in the impact force.14 cl, 3 dwg
Patent RU-2756211-C1 (RU)
Title: Carbonizer
Inventor: SHepelev Igor Innokentevich
IPC: B01J19/00
Filed: 2020-12-01
Granted: 2021-09-28
Abstract: FIELD: hydrochemical production. 
                   
               
           
              
             
          
         
       
     
     SUBSTANCE: invention relates to the equipment of hydrochemical industries and can be used in the production of alumina from nephelines by sintering. The carbonizer contains a cylindrical housing (1) with a conical bottom (2) and a lid (3), pipes (5) for supplying gas to the carbonizer located vertically inside the housing, the lower parts of which are fixed coaxially in cylindrical shells rigidly connected to each other and the walls of the housing, an airlift (4) for mixing the aluminum hydroxide suspension formed during the decomposition of solutions, and an exhaust pipe (10) for removing exhaust gas from it, before which a protective compartment (12) is installed, located above the level of the aluminate solution in the device and preventing the release of alkali aerosols into the atmosphere.  
     EFFECT: technical result of the invention is the reduce of the emissions of alkali aerosols into the atmosphere.  
     1 cl, 2 dwg
Patent RU-2762539-C1 (RU)
Title: Three-axis airspeed meter
Inventor: POPOV ALEKSANDR IVANOVICH
IPC: G01P5/14
Filed: 2020-12-15
Granted: 2021-12-21
Abstract: FIELD: measuring equipment. 
     SUBSTANCE: invention relates to measuring equipment; it can be used to measure speed parameters and aerodynamic angles in air signal systems of aircrafts. A three-axis airspeed meter is characterized by the that, in a streamlined case along each spatial axis, there are two nozzles of direct and reverse flows of jet auto-generators with flow chambers protruding outside the case, while the oscillation frequency of pneumatic pressure signals of the jet auto-generator is converted by a pneumo-electric converter into an electrical signal and transmitted via connectors via an electric cable to a microprocessor, in which airspeed vectors are determined, and the residual air flow from the chamber is output outside the case through an outlet nozzle. 
     EFFECT: simplified construction of a true airspeed measurement system. 
     1 cl, 2 dwg