baber/WOPTO huggingface dataset:
Patent RU-2741473-C1 (RU)
Title: Светосильный объектив
Inventor: Levin Ilya Anatolevich
IPC: G02B9/64
Filed: 2019-11-21
Granted: 2021-01-26
Abstract: Объектив может быть использован в качестве фотографического объектива в киносъемочной и фотоаппаратуре. Светосильный объектив состоит из двух компонентов, разделенных апертурной диафрагмой. Первый компонент выполнен из одиночной двояковыпуклой линзы, одиночного отрицательного мениска, обращенного вогнутостью к пространству объекта, одиночной отрицательной линзы, обращенной вогнутостью к пространству изображений, одиночной двояковыпуклой линзы и отрицательного мениска, обращенного выпуклостью к пространству объекта и склеенного из положительного и отрицательного менисков. Второй компонент выполнен из отрицательного мениска, обращенного вогнутостью к пространству объекта и склеенного из двояковогнутой и двояковыпуклой линз, и одиночных двояковыпуклой и выпукло-плоской, обращенной выпуклостью к пространству объекта, линз. Технический результат - улучшение качества изображения по полю зрения, увеличение заднего отрезка и повышение технологичности, а также сокращение количества используемых марок оптического стекла при сохранении высокого относительного отверстия и линейного поля изображения. 4 з.п. ф-лы, 2 табл., 4 ил.
Patent RU-2733518-C1 (RU)
Title: Method for manufacturing pharmaceutical container
Inventor: FADEEV ANDREI GENNADYEVICH
IPC: A61J1/14
Filed: 2019-11-22
Granted: 2020-10-02
Abstract: FIELD: medicine; pharmaceuticals. 
     SUBSTANCE: invention relates to a method for manufacturing a pharmaceutical container with antifirication coating. Method comprises the following steps: forming, from a glass tubular billet, a pharmaceutical container having an inner and an outer surface; heat-resistant coating of thickness less than 100 mcm is applied on outer surface of pharmaceutical container so that outer surface of pharmaceutical container with heat-resistant coating has coefficient of friction less than or equal to 0.7. Pharmaceutical container can be a glass bottle. Antifriction coating can include polymer chemical compound. Compressive strength of a pharmaceutical container with a heat-resistant coating is at least 10 % higher than that of a glass pharmaceutical container without coating. Coated glass article can maintain thermal stability at temperature of at least 250 °C for 30 minutes. 
     EFFECT: invention provides a glass container having increased resistance to mechanical damages. 
     11 cl, 1 tbl, 46 dwg
Patent RU-2718768-C1 (RU)
Title: Lighting system
Inventor: Shchegolev Evgenij Valentinovich
IPC: F21V17/00
Filed: 2019-11-01
Granted: 2020-04-14
Abstract: FIELD: lighting. 
     SUBSTANCE: invention relates to a suspended lighting system. Lighting system consists of a suspension assembly, a connector connected to the suspension and a busbar, a power supply unit, a bus duct and a lighting fixture. Suspension assembly provides rigid connection of lighting system with ceiling. Power supply unit comprises a power wire, a clamping element with feed contacts and a clamping screw, which provides fixation of the clamping element and clamp of supply contacts to busbar conductors. Connector is multi-level for connection with electricity transmission of several busbars arranged at different levels of lighting system, and provides possibility of their mechanical rotation through 360 degrees. Busbar consists of two C-shaped brass conductors interconnected by a plastic insert-dielectric. 
     EFFECT: simplified design of suspension multi-level lighting system, easier installation of lighting system and connection of busbar conductors to power supply and possibility of fast change of light composition without changing lighting system design. 
     6 cl, 6 dwg
Patent RU-2730177-C1 (RU)
Inventor: SMELKOV VYACHESLAV MIKHAJLOVICH
IPC: H04N5/225
Filed: 2020-01-16
Granted: 2020-08-19
Abstract: Изобретение относится к телевизионной технике и преимущественно может быть использовано в системах наблюдения. Техническим результатом является снижение потерь в разрешающей способности изображения по времени. Результат достигается путем использования в качестве сенсоров телекамеры фотоприемных матриц КМОП, устанавливая для их мишеней необходимое соотношение коэффициентов усиления светочувствительных элементов. Причем для компенсации оптических потерь светоделения величина коэффициента усиления первого датчика телевизионного сигнала в β раз превышает величину коэффициента усиления второго датчика телевизионного сигнала, где величина коэффициента β вычисляется по формуле: 
     
       
     
     где D/ƒ - относительное отверстие дополнительного объектива телекамеры (объектива светоделителя); 
     τ 1  - коэффициент пропускания объектива светоделителя; 
     τ 2  - коэффициент пропускания коллективной линзы светоделителя. 2 н. и 1 з.п. ф-лы, 7 ил., 3 табл.
Patent RU-2757219-C1 (RU)
Title: Fission ionisation chamber for neutron detection
Inventor: BASKOV PETR BORISOVICH
IPC: H01J47/02
Filed: 2020-04-23
Granted: 2021-10-12
Abstract: FIELD: nuclear technology. 
     SUBSTANCE: invention relates to a fission chamber for neutron detection in a wide power range (from thermal to fast). The chamber is made based on a system of switched tubular electrodes with applied uranium oxide coatings (radiators) located coaxially in a metal body filled with working gas. The system of axial and concentric electrodes includes radiator sections with applied uranium oxide coatings based on isotopically pure  238 U and  235 U with 90% enrichment for detection of fast and thermal neutrons, respectively, placed separately within the system of coaxial electrodes. The remaining tubular elements are used as compensation sections for detection of the gamma flux in the central, middle and outer coaxial areas of the electrode system of the fission ionisation chamber. 
     EFFECT: technical result consists in detecting a neutron flux in a power range from thermal to fast neutrons (from 0.025 eV to 20 MeV) with compensation of the associated gamma flux in the conditions of stationary operation, transition periods of shutting down, starting up and putting the nuclear reactor into full-power operation. 
     4 cl, 2 dwg
Patent RU-2732950-C1 (RU)
Title: Low-temperature and radiation-proof compensation voltage stabilizer on complementary field transistors with control p-n junction
Inventor: PROKOPENKO NIKOLAJ NIKOLAEVICH
IPC: H03F3/45
Filed: 2020-04-29
Granted: 2020-09-24
Abstract: FIELD: physics. 
     SUBSTANCE: invention relates to secondary power sources and can be used in the structure of analogue and digital microcircuits operating in cryogenic temperatures and radiation effects. Technical result of the claimed invention is creation of conditions in the architecture of the known degenerative voltage stabilizer (DVS) on the CMOS field transistors at which it becomes possible to use JFET transistors and, as a result, reliable operation of the device in heavy operating conditions. Besides, created JFET DVS will have one more additional positive quality - voltage on gate of its JFET control element with n-channel will be less than output voltage of DVS. Technical result of claimed invention is achieved due to that low-temperature and radiation-stable compensation voltage stabilizer on complementary field transistors with control pn junction (Fig. 2) comprises first (1) power supply bus, output of device (2), output field transistor (3) of control element, source of which is connected to device output (2), and drain is connected to first (1) power supply bus, differential error signal amplifier (4) with first (5) and second (6) current outputs and common source circuit (7), second (8) power supply bus, current mirror (9), input of which is connected to first (5) current output of the differential error signal amplifier (4), inverting output is connected to second (6) current output of the differential error signal amplifier (4), wherein current mirror (9) has non-inverting output (10), resistive voltage divider (11), which input is connected to device (2) output, and output is connected to inverting differential signal amplifier (4) inverting input (12), reference voltage source (13) connected to non-inverting input (14) of differential error signal amplifier (4). Circuit includes first (15) additional field-effect transistor, drain of which is connected to second (8) power supply bus, gate is connected to second (6) current output of differential error signal amplifier (4), and source is connected to gate of output field transistor (3) of control element and is connected to device (2) output through additional resistor (16), wherein all said field transistors used are field-effect transistors with p-n control junction. 
     EFFECT: invention significantly simplifies control circuit of JFET control element and creates optimum conditions for potential matching in degenerative voltage stabilizer scheme, when maximum voltages on all other active elements of DVS are less than its output voltage; and this is impossible in CMOS DVS. 
     8 cl, 14 dwg
Patent RU-2739817-C1 (RU)
Inventor: BOLOTIN MIKHAIL GRIGOREVICH
IPC: F16B12/14
Filed: 2020-06-03
Granted: 2020-12-28
Abstract: FIELD: construction. 
     SUBSTANCE: invention relates to functional fasteners, which are used in tightening building panels and other building structures into a single whole, when assembling furniture, aircraft, and so forth. Described is a set of universal fastening element for tightening hollow, lightweight or cellular-filled slabs, comprising bearing upper and lower panels, consisting of the following parts: a first gear wheel with a bushing centring in the reduction sleeve with a diameter equal to the value D1, and with a shaped hole for the fastening tool passing through the wheel and the bushing; first mounting nut, which is installed in the second gear wheel; a second gear wheel with a guide bushing aligning it in the reduction gear with a diameter equal to the value D2; tightening pin with screw thread, short on one side, long on the other, and with gap without cutting between them; second mounting nut, which is installed in the socket on the bottom of the mounting cup, equipped with two limiting washers on both ends of the glass, which are integral with the mounting cup; third mounting nut to be fitted in the seat at the bottom of the reduction gear cup. Besides, it comprises mounting screw with countersunk head for attachment of "mushroom-plug" inside reduction gear cylinder; self-tapping screw to fix the reduction gear cup inside the mounting cup; "mushroom-plug" consisting of solid body and cap, wherein diameter of "mushroom-plug" cap does not exceed outer diameter of reduction gearbox sleeve. Set of universal fastener enables to quickly assemble a large number of required ready elements for their subsequent installation in hollow plates. 
     EFFECT: assembled plates are quickly and easily mounted butt-joint or at right angle, forming the required quick-to-erect structure; additional advantage of the proposed technical solution is that assembled into an integral whole construction plates can be quickly and easily disassembled using a single fastening tool. 
     1 cl, 8 dwg
Patent RU-2753548-C1 (RU)
Title: Method for producing nicotine
Inventor: WEBER BEAT
IPC: C07D401/04
Filed: 2018-12-18
Granted: 2021-08-17
Abstract: FIELD: chemistry. 
     SUBSTANCE: invention relates to a method for obtaining a compound by the formula I-a, executed wherein are (i) a reaction of ethyl nicotinate with N-vinylpyrrolidone in the presence of an alcoholate base resulting in 3-nicotinoyl-1-vinylpyrrolidin-2-one; (ii) a reaction of 3-nicotinoyl-1-vinylpyrrolidin-2-one with an acid resulting in myosmin; (iii) reduction of myosmin to nornicotine using a reducing agent; and (iv) methylation of nornicotine resulting in a compound by the formula Ia, wherein stage (ii) is executed using an inorganic acid, and wherein the method constitutes a one-pot process. 
     EFFECT: development of a method for producing a compound by the formula I-a constituting a one-pot process with a high yield and purity of the target compound. 
     
       
     
     15 cl, 4 tbl, 4 ex
Patent RU-2741166-C1 (RU)
Inventor: ENOV MIKHAIL IVANOVICH
IPC: F02B57/06
Filed: 2020-07-08
Granted: 2021-01-22
Abstract: FIELD: engine building. 
     SUBSTANCE: invention can be used in the internal combustion engines. Balanced rotary internal combustion engine includes housing (1) with internal cylindrical cavity, which is closed by end covers of housing. In the cylindrical cavity there is cylindrical rotor (2), in which two through cylindrical holes are made at the diameter at angle of 90 degrees relative to each other. Holes create two pairs of jointing cylinders (3), (3a) and (4), (4a), in which double cylindrical pistons (6), (7) and (8), (9) are placed. Pistons (6), (7) and (8), (9) are made integral with rigid joints sitting freely on eccentric cams (11) of eccentric shaft (13). Eccentrics (11) of eccentric shaft (13) are turned through 180 degrees relative to each other to ensure rotation of eccentric shaft (13) and rotor (2) at ratio of 2:1 and in one direction. Eccentric shaft (13) has two eccentrics (11) on which rigid connections of pistons (6), (7) and (8), (9) which serve as sliders (10) are free. Slides (10) are equipped with antifriction straps (10a). Center of eccentric shaft (13) is offset relative to center of housing by value (e1) of eccentricity of eccentrics (11). Slides (10) with antifriction straps (10a) at rotation of eccentric shaft (13) create forces on walls of rotor cylinders and cause rotation of cylindrical rotor (2) in the same direction, but more slowly twice and thus they provide synchronization of rotation of eccentric shaft (13) and cylindrical rotor (2) at ratio of 2:1 and in the same direction. On housing (1) there are discharge and blowdown openings (28) and (29) at performance of work on it in 2-cycle cycle. Engine operates as 2-stroke 2-cylinder piston internal combustion engine. Between cylinders (3), (3a) and (4a) and radial inner cylindrical surface of housing (1) there are metal sealing plates (20), pressed to last corrugated springs (21) and contacting it by platforms. Corrugated springs (21) are located near edges of joining cylinders (3), (3a) and (4), (4a). Combustion chambers (26) are made in the form of recesses on heads of cylindrical pistons (6), (7) and (8), (9). On cylindrical rotor (2) end collars are made, allowing to install sealing metal plates (20) at the cylinder edges in two rows. Nozzles (27) and spark plugs (24) are installed on engine housing (1). 
     EFFECT: technical result consists in simplification of engine design, and reduction of its weight. 
     1 cl, 2 dwg
Patent RU-2745024-C1 (RU)
Title: Aviation extinguishing system for helicopter ka-32 type
Inventor: Zevig Georgij Vladimirovich
IPC: B64D1/18
Filed: 2020-07-21
Granted: 2021-03-18
Abstract: FIELD: aviation industry.SUBSTANCE: invention relates to fire extinguishing equipment using helicopters. The aviation fire extinguishing system contains a water tank (1), the internal cavity of which is divided into four compartments, a water intake pump (2), consisting of a swivel pipe (3), a water intake hose (4), a suspension cable (5), a winch (6) for pulling a water intake pump (2) with a sleeve (4) in the transport position, a foam concentrate tank (9), a pump for feeding the foam concentrate into the tank, a horizontal fire extinguishing system. The barrel of the horizontal fire extinguishing system has a folding structure with a sealed pipe swivel joint, a heating system for operation at low ambient temperatures, an electric drive for opening the tank for a complete discharge of extinguishing liquid in case of emergency power outage of the helicopter's power supply system or by a signal from the pilot's console.EFFECT: expanded operating temperature range, increased flight speed, simplified piloting technique when landing a helicopter, and increased volume of transported extinguishing fluid.1 cl, 3 dwg
Patent RU-2769101-C1 (RU)
Inventor: MANHART CHRISTIAN
IPC: B22D11/117
Filed: 2019-01-28
Granted: 2022-03-28
Abstract: Изобретение относится к области металлургии. Газопродувочная пробка для продувки расплавленного металла в металлургическом резервуаре содержит керамический огнеупорный корпус (10k) и по меньшей мере один электронный датчик (70, 70.1, 70.2, 70.3, 70.4). Первый торец (10u) пробки, по меньшей мере, частично покрыт металлической крышкой (12.1), с отверстием (16) для соединения с газоподающим патрубком (20). Второй торец (10o) пробки (10) размещают в контакте с расплавленным металлом (41). Пробка (10) пропускает через корпус продувочный газ, поступающий в корпус через отверстие (16) и выходящий через второй торец (10o). Электронный датчик (70, 70.1, 70.2, 70.3, 70.4) контактирует с пробкой (10) и обнаруживает колебательную волновую форму механической вибрации, причем указанный датчик представляет собой датчик ускорения. Колебательная волновая форма поступает в блок обработки данных, где вычисляется индекс, характеризующий размер и количество пузырьков газа, что позволяет знать и регулировать распределение вводимых газовых пузырьков. Обеспечивается повышение производственной надежности продувочной обработки расплавленного металла и воспроизводимость такой обработки. 4 н. и 11 з.п. ф-лы, 6 ил.
Patent RU-2752758-C1 (RU)
Inventor: Kruglykhina Oksana Iurevna
IPC: A23G1/48
Filed: 2020-09-01
Granted: 2021-08-02
Abstract: FIELD: foodstuffs.SUBSTANCE: invention relates to the food industry, in particular, to the confectionery industry. The proposed chocolate is prepared from Criollo cocoa nibs, cane sugar and sea buckthorn bark as a source of serotonin at the following content of starting components in %: Criollo cocoa nibs - 69; cane sugar - 29; sea buckthorn bark - 2.EFFECT: invention is aimed at producing chocolate exhibiting high biological value, new taste and organoleptic properties, namely: delicate flavour of dark chocolate with alternating sensations of sweetness and sourness.1 cl
Patent RU-2742899-C1 (RU)
Title: Recessed door box with external and internal access
Inventor: Studentsov Andrej Vitalevich
IPC: E06B7/32
Filed: 2020-09-04
Granted: 2021-02-11
Abstract: FIELD: door equipment.SUBSTANCE: invention relates to doors, mainly in the office, and is intended for the contactless transfer of materials, goods, food, etc. from outside to inside and back, including a time lapse. A built-in door box with access from outside and inside is proposed, installed in the door, containing a flap with a locking device attached to it by hinges from the outside of the door; according to the invention, the box is attached to the door by means of a retainer frame, while the retainer frame is simultaneously attached to the door and to the box; on the inner side of the door the door box unit is additionally equipped with a second flap with a locking device by hinges, the outer flap locking device is electronic, and the inner one is mechanical; in the inner opening of the box between the flaps, there is a removable isothermal sealed cassette for storing goods with dimensions corresponding to the box; a GSM wireless communication module is also mounted inside the box to control the operation of the electronic locking device and notify the messenger and the receiving party. Power supply for opening electronic locking device of outer flap can be provided by either a wired or wireless station operated by the messenger/delivery personnel.EFFECT: possibility of transferring goods without presence of receiving party, possibility of obtaining temperature of transferred food unchanged, increased safety of transferred goods from theft.1 cl, 3 dwg
Patent RU-2743705-C1 (RU)
Inventor: Kiselev Valerii Mikhailovich
IPC: C01G3/00
Filed: 2020-09-07
Granted: 2021-02-24
Abstract: Изобретение относится к медицинской технике широкого назначения и раскрывает способ фотокаталитической очистки и стерилизации воздуха. Способ включает пропускание воздуха через фотокаталитическую мембрану, при этом в качестве фотокаталитической мембраны используют пористый носитель на основе меди, включающий микропористую медь или бронзу толщиной  3 мм с размерами пор от 0.5 до 20 мкм, или пористый носитель с микропористой структурой с покрытием поверхности пор из наночастиц меди. Далее фотокаталитическую мембрану непрерывно  облучают видимым световым источником, представляющим собой светодиодную матрицу, в области спектра от 400 до 780 нм с плотностью мощности светового потока 250-500 мВт/см 2 . Скорость потока очищаемого воздуха через фотокаталитическую мембрану поддерживают в пределах от 1 до 5 м/с. Изобретение может быть использовано в процессах очистки и стерилизации воздуха, прежде всего в помещениях медицинского назначения, в том числе в операционных, стоматологических кабинетах, родильных палатах, а также в жилых и производственных помещениях, на автомобильном, железнодорожном, водном и воздушном транспорте. 4 пр., 4 табл., 1 ил.
Patent RU-2755721-C1 (RU)
Title: Galvanised steel sheet for hot stamping and method for production thereof
Inventor: YOSHIDA TAKATOSHI
IPC: C23C2/40
Filed: 2019-02-06
Granted: 2021-09-20
Abstract: FIELD: metallurgy. 
     SUBSTANCE: invention relates to the field of metallurgy, namely to a galvanised steel sheet used for manufacturing automobile parts by the hot stamping method. The galvanised steel sheet is comprised of a steel substrate and a cladding layer formed on the surface of the steel substrate by means of sustaining the substrate constituting a cold-rolled steel sheet at a temperature of 500 to 720°C for 90 to 400 seconds in a reducing atmosphere with a dew point temperature from -20 to 0°C, followed by cladding. The steel substrate comprises, in % wt.: C: 0.10 to 0.5, Si: 0.7 to 2.5, Mn: 1.0 to 3, Al: 0.01 to 0.5, optionally B: 0.005 or less, excluding 0%, the rest is iron and inevitable impurities. The steel substrate has an inner oxide layer inside, containing an oxide of at least one from Si and Mn, with a thickness of 1 mcm or more, and a decarbonised layer with a thickness of 20 mcm or less from the interface with the cladding layer in the direction towards the inside of the steel substrate. 
     EFFECT: produced sheets exhibit stable quality and appearance due to the absence of formation of both intercrystalline cracks and cracks on the surface of the sheet. 
     2 cl, 3 tbl
Patent RU-2757898-C1 (RU)
Title: Fixed formwork system and method for building construction
Inventor: Kapustyanskij Nikolaj Vladimirovich
IPC: E04B2/86
Filed: 2020-11-25
Granted: 2021-10-25
Abstract: FIELD: construction. 
     SUBSTANCE: invention relates to the field of construction; it can be used in the construction of mobile modular residential, office and industrial complexes and buildings of a varying degree of complexity and can be used both on a construction site and in production conditions. The system of fixed formwork for the construction of a building includes a set of internal and external panels connected to each other and forming a rigid spatial structure with a niche for filling with a concrete mixture. Internal panels are made with grooves, and external panels are made with protrusions, while internal panels with grooves are connected to corresponding external panels with protrusions by means of connecting elements and retaining locks, wherein connecting elements are made with grooves and protrusions, as well as with holes for reinforcement. Connecting elements can be made of different lengths. For the construction of the building, one-time assembly of the fixed formwork system into a single formwork space is carried out by joining grooves and protrusions of internal and external panels with grooves and protrusions of the connecting element and fixing them with retaining locks, and reinforcement is passed into holes of connecting elements, then concreting is carried out to obtain a building structure with a base, walls and overlap.  
     EFFECT: use of the invention makes it possible to shorten the construction time and increase the strength of the finished object, makes it possible to repeatedly move the finished construction object. 
     3 cl, 7 dwg