baber/WOPTO huggingface dataset:
Patent RU-2751453-C1 (RU)
Inventor: DOLIN ANISIM PETROVICH
IPC: G01R31/10
Filed: 2020-02-14
Granted: 2021-07-14
Abstract: Изобретение относится к области электротехники, а именно к диагностированию силовых трансформаторов, автотрансформаторов и шунтирующих реакторов (далее трансформаторов), и может быть использовано при текущем эксплуатационном контроле технического состояния трансформаторов со сроком эксплуатации до 35 лет для определения развивающихся дефектов. В заявленном способе при контроле (измерении) следующих параметров для трансформаторов со сроком эксплуатации до 35 лет: 
     - тангенс угла диэлектрических потерь (tgδ) изоляции обмоток; 
     - кислотное число масла; 
     - тангенс угла диэлектрических потерь масла при 90°С; 
     - содержание водорастворимых кислот и щелочей масла; 
     - содержание антиокислительной присадки масла; 
     не учитывается высокая стабильность к окислению гидрокрекинговых масел и, соответственно, высокая стабильность указанных параметров при сроке эксплуатации до 35 лет. Техническим результатом при реализации предлагаемого способа контроля технического состояния силовых трансформаторов напряжением 35 кВ и выше позволяет обеспечить необходимый качественный контроль технического состояния трансформаторов, залитых современными гидрокрекинговыми маслами, при сокращении объема диагностических измерений и анализов по сравнению с прототипом. 2 з.п. ф-лы, 1 табл.
Patent RU-2738526-C1 (RU)
Inventor: Savchuk Aleksandr Anatolevich
IPC: E04C1/00
Filed: 2020-03-02
Granted: 2020-12-14
Abstract: FIELD: construction. 
     SUBSTANCE: invention relates to building blocks and moulds for making blocks. Building block is made in form of monolithic solid body in form of rectangular parallelepiped, on one side has groove, and on opposite side projection. Unit comprises ledges and slots located on opposite bases, channel located along perimeter of upper base, handles on end faces; wherein projections and slots are made with inclined side faces with formation of closed air circuits in seams between units; wherein the inclination angle of the grooves faces is greater than the angle of inclination of the protrusion faces to form sealed air circuits between the interlayer of the bonding material in the seams between the blocks. Form for making a concrete construction block is also described. 
     EFFECT: technical result for this invention is structural design of units, which provides convenience of laying and reduces time spent on masonry control. 
     2 cl, 6 dwg
Patent RU-2745993-C1 (RU)
Inventor: TRETYAKOV OLEG VLADIMIROVICH
IPC: B01D17/04
Filed: 2020-03-05
Granted: 2021-04-05
Abstract: FIELD: oil-water emulsions. 
     SUBSTANCE: method for combined dewatering of stable oil-water emulsions is proposed, including ultrasonic action on an oil-water emulsion, where the frequency of ultrasonic action is selected depending on the size of water droplets in an oil-water emulsion: for drops that fall within the range of 15-20 microns - 50-44 kHz; for droplets that fall within the range of 30-40 microns - 32-22 kHz; for droplets that fall in the range of 60-80 microns - 18-12 kHz, after which the partially dehydrated water-oil emulsion is sent to the inlet of the heat-exchange device, before entering which a demulsifier reagent is fed into the oil-water emulsion, where the method contains magnetic treatment in a direction perpendicular to the flow of an oil-water emulsion by a pulsating non-uniform magnetic field to destroy the armor shells, at which a mixture of an oil-water emulsion heated to a temperature of 90-95°C with a non-ionic demulsifier is sent to a magnetic processing apparatus, processing it with a magnetic field of an optimal frequency of 0-50 Hz with a step of 5 Hz; at the same time, if the mixture of OWE (oil water emulsion) with a demulsifier, which has undergone ultrasonic and magnetic field treatment, satisfies the quality criteria, the volume fraction of water in oil is less than 0.5%, it is sent to the sedimentation tank of the field oil treatment plant unit (OTPU), while, if the treated OWE mixture with demulsifier does not meet the quality requirements of delivery pr wells, it is sent to a turbulizer, in which additional mixing is performed, after which it is sent back to the pipeline inlet to the installation, after which the process of combined dehydration of the oil-water emulsion is repeated. EFFECT: technical result is an increase in the degree of stratification of an oil-water emulsion. 
     1 cl, 1 tbl, 1 ex, 7 dwg
Patent RU-2743494-C1 (RU)
Title: Self-locking collet nut
Inventor: SHAJDOROV VLADIMIR VASILEVICH
IPC: F16B39/12
Filed: 2020-03-25
Granted: 2021-02-19
Abstract: FIELD: mounting systems. 
     SUBSTANCE: invention relates to the design of a threaded connection that excludes spontaneous unscrewing of the nut under high loads and vibration, for fixation of the details and assemblies in marine and transport engineering, aviation and astronautics, turbo- and hydropower, mining and nuclear industry and other areas. The self-locking collet nut consists of a main nut with an internal standard metric thread, a collet part with longitudinal slots and an external standard taper thread, an additional lock nut with an internal taper thread that is screwed onto the collet part of the nut, and a multi-lobed locking washer. The main nut is made with the possibility of locking after tightening due to the crimping of the collet nut part, while screwing lock nut on it, and eliminating gaps in the threaded connections of the nut with the bolt and nut with lock nut, and unscrewing exception by fixing the locking washer into the longitudinal slots of the collet nut part and the end slots of the lock nut. 
     EFFECT: providing a reliable and long service life of the attachment under high alternating loads, increased vibration, a wide temperature range and in various environments, including underwater environments. 
     1 cl, 2 dwg
Patent RU-2736920-C1 (RU)
Title: Multifunctional miniature optical sensor for remote detection of micro- and macro-objects and for measuring characteristics of detected objects
Inventor: SEMENOV VLADIMIR MIKHAILOVICH
IPC: G02B27/14
Filed: 2020-05-15
Granted: 2020-11-23
Abstract: FIELD: measuring equipment. 
     SUBSTANCE: invention relates to measurement equipment and concerns a multifunctional optical sensor. Sensor comprises at least one pair consisting of a radiation source and a corresponding radiation detector and an optical circuit which includes a collimating element, a first optical element and a second optical element. First optical element and the second optical element include a reflecting surface and are interconnected by a common surface, wherein the common surface is a semitransparent surface. Sensor can be used as microphone, dust sensor, lidar, PPG sensor (photoplethysmogram). 
     EFFECT: technical result consists in reduction of dimensions, enabling use of sensor in mobile devices and broader functional capabilities. 
     29 cl, 20 dwg
Patent RU-2733239-C1 (RU)
Title: Method for development of dense oil deposit by electric fracture
Inventor: KHISAMOV RAIS SALIKHOVICH
IPC: E21B43/26
Filed: 2020-05-25
Granted: 2020-09-30
Abstract: FIELD: oil and gas industry. 
     SUBSTANCE: invention relates to oil industry and can be used in development of multilayer low-permeability oil formations with application of formation fracturing. Method includes drilling and / or selection of vertical, horizontal and / or directional wells already existing on the deposit. Providing use of electroconductive casing string and / or electroconductive cement ring. Electrodes are lowered into the well, and formation electric fracturing is performed due to creation of electric arc between electrodes. At that, reservoir is selected, in which water-bearing stratum is located below productive oil-bearing dense formation, at that oil-bearing and water-bearing strata coincide in structural plan. Distance between bottom of upper oil-bearing formation and roof of lower water-bearing formation shall not exceed 100 m. Formation electric fracturing is supplemented with hydraulic fracturing. After hydraulic fracturing of oil-bearing stratum and withdrawal of product from it to reduction of formation pressure to level, at which further operation of wells is not viable, electrodes of different polarity are placed in adjacent wells. Electrodes with one polarity are placed opposite the upper oil-bearing bed. Electrodes with opposite polarity are placed opposite the lower water-bearing stratum. After electric fracturing of the formation, these wells are left to redistribute pressure for 10–30 days for penetration of water into oil-bearing productive formation on previously created hydraulic fractures and in subsequent - electric fracture cracks until pressure increase in oil-bearing productive stratum. After that wells are let into production along upper oil-bearing formation. Conducting electric fracturing of the formation and waiting periods are repeated. 
     EFFECT: increasing oil recovery of a deposit. 
     1 cl, 3 ex
Patent RU-2737558-C1 (RU)
Inventor: GOLUBENKO MIKHAIL IVANOVICH
IPC: E02B15/02
Filed: 2020-06-16
Granted: 2020-12-01
Abstract: FIELD: shipbuilding. 
     SUBSTANCE: method of destruction of ice cover by a ship on compressed air flow consists in excitation of bending-gravity waves in ice at ship motion with resonant speed. Ship is equipped with braking shield arranged in stern end of vessel in vertical plane along width of flat bottom of hull in plan and having control system. Damped chassis is secured at braking shield end. Wheels on all external perimeter are equipped with metal teeth with sharp edges. Ship is also equipped in front part of vessel hull sides in area of waterline above its level by short rotating in horizontal plane interceptors from each side of housing, having aerodynamic profiles arranged with possibility of extension in recesses and fixed on axes of rotation. Recesses are made under vessel hull symmetrically to each other, and spoilers are actuated by adjusting drives. Simultaneously with translational motion of ship, additional load is created on ice directed downward, compressed air is supplied from impeller in direction of brake shield, impeller rpm and braking flange turning angles are adjusted, upper surface of ice is ground by means of wheels. At intermediate speeds acceleration modes interceptors are moved out of niches. 
     EFFECT: higher efficiency of ice cover destruction. 
     1 cl, 2 dwg
Patent RU-2743767-C1 (RU)
Title: Gear with internal engagement of wheels
Inventor: Grakhov Valerij Pavlovich
IPC: F16H1/10
Filed: 2020-07-21
Granted: 2021-02-25
Abstract: FIELD: machine building.SUBSTANCE: invention relates to the machine building. Gearbox with internal engagement of wheels comprises drive gear with external teeth (1), wheel with internal teeth (2), cover (3) with bracket (4), in which there are holes and slots for location of bearings and gear wheels in them, additional pair of gear wheels (5), (6) located in wheel with internal teeth (2), support bearings of gear wheels (7) - (12) located in holes of cover (3) and bracket (4) on opposite sides of their toothed rims, stop rings of support bearings (13) - (15), driven shaft (16), housing (17). To prevent jamming of mechanism parameters of additional pair of gear wheels (5), (6) are selected so that sum of interaxle distance of additional pair of gear wheels and radius of circle of tops of teeth of driven wheel of pair (6) is less than radius of circle of tops of teeth of wheel with internal teeth (2).EFFECT: higher operational characteristics.1 cl, 3 dwg
Patent RU-2744715-C1 (RU)
Inventor: Vyatkin Vyacheslav Vladimirovich
IPC: G07F13/00
Filed: 2020-07-22
Granted: 2021-03-15
Abstract: FIELD: aqua vending machines. 
     SUBSTANCE: invention relates to aqua vending machines, i.e. to automatic water selling machines through automatically controlled water pouring from a common tank to the water buyer’s receptacle (container). The technical problem is the need to expand the range of aquavending devices, characterized by an increased level of their casing protection against vandalism. The body of the aquavending device is a hollow vertically elongated rectangular parallelepiped. Front panel 1 of the casing is made in the form of a door. The casing contains Support frame 7, which is a flat geometrically unchangeable stem system, including four elements (Items 8-11), which are the stems of this frame. Distance A between Side elements 9 and 10 of Support frame 7, taken along the outer contour of this frame, is less than Distance B between the planes of Side panels 3 and 4 of the casing. Distance C between Front 8 and Rear 11 elements of Support frame 7, taken along the outer contour of this frame, is less than Distance D between the plane of the closed door of Front panel 1 of the casing and the plane of Rear panel 5 of the casing. These conditions (A<B and C<D) provide a "suspension" of  Weld 14 relative to the base plate, so that rain water flowing over a vertical panels  of the casing (i.e., Panels 1, 3, 4, 5) down to specified Welds 14, is not retained on these welding joints that significantly slows down the process of the  those seams’ rusting.  
     EFFECT:  specified purpose realization by means of concealed mounting of the casing on the foundation plate, hidden location of the communication means, minimized negative impact of precipitation on the bottom welding seams that are, distanced from the edge of the foundation plate. 
     4 cl, 4 dwg
Patent RU-2747221-C1 (RU)
Inventor: Gamenok Yurij Yurevich
IPC: H02P7/28
Filed: 2020-08-14
Granted: 2021-04-29
Abstract: FIELD: electrical engineering.SUBSTANCE: DC motor control device belongs to electrical engineering, namely to DC motor control devices, mainly when powered from a low-voltage source. According to the first embodiment, into a known DC motor control device, containing a power source, a bridge voltage inverter, a DC motor, an input capacitor filter, a switching unit, two temperature sensors, a control unit for a bridge voltage inverter, a switch and a drain circuit resistor, a current sensor bridge voltage inverter power supply, motor current sensor, key driver for bridge voltage inverter, power filter for bridge voltage inverter, converter stage control unit, three converter stages, each of which consists of one current sensor, one low-voltage inverter key driver, one low-voltage inverter, one transformer, one rectifier, are additionally introduced with appropriate connections the second power filter of the bridge inverter, a choke with two windings, two diodes, three capacitors, a sensor signal processing unit, a blower unit, a second resistor and drain circuit second key, while the converter stage control unit is configured to implement the function of the converter stage current regulator and the algorithm for testing the initial state of the device, and the number of converter stages is determined by the required output power of the DC motor control device. In the second version, a second power filter for a bridge inverter, an inductor with two windings, two diodes, three capacitors, a sensor signal processing unit, a blower unit, a second resistor and a second key of the drain circuit, a third resistor are additionally introduced into the known DC motor control device, a third resistor, while the converter stage control unit is configured to implement the function of the converter stage current regulator and the algorithm for initial testing of the device state, and the number of converter stages is determined by the required output power of the DC motor control device.EFFECT: technical result is to increase the reliability and expand the functionality.2 cl, 2 dwg
Patent RU-2747176-C1 (RU)
Title: Method for demetallization of hydrocarbon products
Inventor: SPIRIDONOV NIKOLAJ IVANOVICH
IPC: C10G32/02
Filed: 2020-09-07
Granted: 2021-04-28
Abstract: FIELD: oil industry.  
     SUBSTANCE: present invention relates to a method for demetallization of oil or fuel oil, including carrying out a purification process by ensuring the combined movement of a mixture of the initial hydrocarbon feedstock and reagents in the reactor, filtering the mixture at the end of its processing in the reactor, while a ferromagnetic liquid based on magnetite taken in an amount of not more than 5 wt% of the entire reaction mass in the reactor, the initial hydrocarbon feedstock and the ferromagnetic liquid are mixed to form a homogeneous mixture. The resulting homogeneous mixture for processing is fed into the reactor with ferromagnetic elements inside it. The rotation of the homogeneous mixture of the initial hydrocarbon feedstock and the ferromagnetic liquids together with ferromagnetic elements is ensured in a rotating electromagnetic field characterized by a frequency of 50 Hz of a three-phase AC network with a voltage of 380 V, magnetic induction in the working area of ​​the reactor 0.9-1.1 T and at the number of revolutions of ferromagnetic elements in the reaction zone in the range from 2000 to 3000 per minute inclusive, the processing of a homogeneous mixture in a rotating electromagnetic field is carried out at a flow rate of the mixture through the reactor in the range of 0.1-0.5 m/s. After processing a homogeneous mixture in a rotating electromagnetic field, its magnetic separation is carried out to separate ferromagnetic nanoparticles. Then the mixture is fed for purification to a mesh-type electrostatic filter in which the mixture is exposed to a pulsating electric field with a voltage in the range of 2-20 kV, a pulsation frequency of 10-200 Hz and pulse amplitude in the range of 0.5-2 kV. Then the mixture is fed into a plate-type electrostatic filter with a voltage of 200-2000 V and with alternating polarity of electrodes with a frequency of 10-200 Hz, separation of the liquid and solid phases is carried out. The electrodes are made in form of a plate.  
     EFFECT: invention is aimed at increasing the efficiency of the method for demetallization of hydrocarbon products, ensuring the simplicity and reliability of the method, providing a multi-level and multifunctional impact on the processed raw materials, ensuring the environmental friendliness of the method. 
     8 cl, 1 dwg, 1 tbl, 3 ex
Patent RU-2750528-C1 (RU)
Inventor: Garanin Andrej Aleksandrovich
IPC: A61B5/00
Filed: 2020-09-21
Granted: 2021-06-29
Abstract: FIELD: medicine.SUBSTANCE: invention relates to medicine, namely to thoracic surgery, gastroenterology and therapy, and can be used in physical diagnostics of hiatal hernias. In a patient reclined in a horizontal position and presenting complaints or not having pain at the time of examination, palpation is performed at a point located on the border of the inner and middle thirds on a horizontal line drawn from the apex of the xiphoid of the sternum to the edge of the left costal arch. If painfulness or hyperesthesia aggravated by pressure or pinching irritation of the skin in said area is detected, hiatus hernia is diagnosed.EFFECT: method allows to improve efficiency of physical diagnostics of hiatal hernia due to the tension on vagal nerve branches and irritation of somatic nerves of the solar plexus.1 cl, 4 ex
Patent RU-2748081-C1 (RU)
Title: Drive device
Inventor: RUDNIK ALEKSANDR MIKHAJLOVICH
IPC: B60K17/16
Filed: 2020-10-19
Granted: 2021-05-19
Abstract: FIELD: mechanical engineering. 
     SUBSTANCE: invention relates to mechanical engineering. The drive device contains a differential at the input, a planetary gear at the output, the carrier of which is made integral with the output shaft of the device, and a V-belt variator connected to the differential and planetary gear through gear drives. The revolutions of the differential axle shafts are changed by changing the gear ratio of the variator and are separately fed to the sun and ring gears of the planetary gear, while one of the streams is fed in the opposite direction of rotation, since the revolutions of the sun and ring gears are differentially dependent, the axes of the satellites will be carried away by the total speed of rotation of the solar and ring gears in the direction of rotation of the input shaft or in the opposite direction with a transition through "zero". 
     EFFECT: expansion of technological capabilities of transmissions of ground transport equipment is provided, for example, in a continuously variable gearbox and a continuously variable steering mechanism. 
     1 cl, 4 dwg
Patent RU-2752465-C1 (RU)
Inventor: UNEME TETSUSHI
IPC: G03G21/00
Filed: 2020-12-02
Granted: 2021-07-28
Abstract: FIELD: printing devices.SUBSTANCE: invention relates to the field of printing devices, namely to a technological cartridge. The technological cartridge contains: a rotating photosensitive drum; a rotating developing roller for developing a latent image formed on the drum, the developing roller being able to contact and be at a distance from the drum; a biasing force receiving portion for receiving a biasing force from the urging member for positioning the roller at a distance from the drum; a cartridge-side drive transmission portion capable of engaging with a main-assembly-side drive transmission member for receiving a rotational force for rotating the roller; a separating member capable of urging the main assembly side driving transmission member to disengage the cartridge side driving transmission member from the main assembly side driving transmission member by a biasing force receiving portion receiving a biasing force from the main assembly side biasing member.EFFECT: invention provides an improved design for shifting the drive transmission to the developing roller by allowing the developing roller drive to be switched between the cartridge and the main assembly of the image forming apparatus.12 cl, 63 dwg
Patent RU-2761711-C1 (RU)
Title: Air-cleaning device
Inventor: Kurchatkin Vladimir Valentinovich
IPC: F02C7/052
Filed: 2021-04-16
Granted: 2021-12-13
Abstract: FIELD: mechanical engineering.SUBSTANCE: invention relates to the field of mechanical engineering and can be used in energy, gas, oil and other industries as a storage-type air cleaning device (ACD) for cleaning air supplied to gas turbine and compressor plants (GTP) in the amount of 84 thousand m3/h up to 165 thousand m3/h. The device consists of two modules, upper 1 and lower 2. In the upper module 1, between the air filter units 8, there is a passage 9. Blocks of air filters 8 are located inversely and include sets of filter elements 6, each of which consists of a moisture separator and filters for coarse and fine cleaning. The number of filter element sets in each air filter unit is determined by its dimensions. The protective cap is equipped with air intake shields 5, which are made with solid side walls and equipped with a protective mesh 10 located in the lower part of the air intake shields. An anti-icing system 3 is additionally installed in the upper module 1, supplying hot air from the axial compressor of the turbine of the gas turbine installation to the upper module 1 of the air cleaning device, made in the form of pipelines of variable cross-section and includes two silencers and a distributing T-type manifold. In the end wall of one of the air filter units, there are two bypass valves 7.EFFECT: use of the invention allows to optimize the aerodynamic characteristics of the flow path, to reduce the dimensions and weight of the device while maintaining its performance, to increase the durability of the filter elements, to reduce the volume of thermal air taken from the engine compressor for its own needs, which increases the efficiency of gas turbine engines.4 cl, 2 dwg