baber/WOPTO huggingface dataset:
Patent UA-44367-C2 (UA)
IPC: B01D39/16
Filed: 1998-04-09
Abstract: A filter element (1) is made of sintered particles of synthetic materials; in general it has a form of narrow hollow duct with the first two side walls (7), which run in a zigzag or wavy course, the two narrow second side walls (33), which join the first side walls with each other and a closed side (3), which forms a bottom, and an opposite opened side, at that the projections and troughs of the first side walls run in the direction of the side (3), which forms the bottom; at that at the opened side the filter element has a leading part (5) for fixing, which is expanded and forms, at least, one section (19) for passage of flow, which is noted for the filter element (1) has two halves joined with each other (37; 39), which accordingly contain one of the first side walls (7), that a base of synthetic resin is added to the side that forms the bottom, and that the leading part (5) consists of synthetic resin and added to the first and second side walls (7; 33) in such a manner that the first part (23) of its height embraces the outer first and second side walls (7; 33) and the second part (25) or its height extends the side walls (7; 33) and overlaps them at their ends (27), and that the leading part (5) at the second part (25) of its height at, at least, one section (19) of flow passage forms a transition (31), which is favourable for flowing, from a restricted zigzag-like or wavy-like space (17) between the first side walls (7), generally the flow of rectangular profile.
Patent UA-67856-C2 (UA)
Title: Short-circuit current indicator
IPC: G01R31/08
Filed: 2002-02-07
Abstract: The proposed short-circuit current indicator can be used for determining the short-circuit path at the section of a distribution network. The indicator contains a current relay and an indicating element. The current relay contains a magnetic circuit with pole shoes and a rotary armature with a winding. The indicating element fixes the position of the rotary armature when the winding current exceeds the relay operation current. The rotary armature and the indicating element are installed in a casing made of insulating material.
Patent UA-63319-C2 (UA)
Title: Device for ionization of gaseous environment
Inventor: KULISHOV OLEKSII MYKOLAIOVYCH
IPC: B03C3/00
Filed: 2003-04-03
Abstract: A device for ionization of gaseous environment contains a housing from dielectric material, in which a fan connected to a drive, a source of high voltage, a diffuser and corona electrodes are located. In the housing, on sucking side of fan, a dust separator is additionally mounted, this is connected to the source of high voltage. The dust separator includes a unit of corona electrodes in the form of grounded metallic plates, between which the corona electrodes are passed, made, e.g. from wire conductors, and the dust precipitant unit made from the plates located in parallel relative to each other and connected alternately to the opposite poles of the source of high voltage. Additional diffuser and ionizing electrodes are mounted on the pressuring side of fan. Diffuser and additional diffuser consist of plates located perpendicularly to each other and installed in the diffuser as convergent in fan-shaped manner, and in the additional diffuser - as divergent in fan-shaped manner.
Patent RU-2180770-C2 (RU)
Title: Method for generating encryption/decryption key
Inventor: MOLDOVJAN A A
IPC: H04L9/14
Filed: 2000-04-12
Granted: 2002-03-20
Abstract: FIELD: cryptography; building symmetrical cryptographic systems. SUBSTANCE: method involves simultaneous generation of received random sequence and primary random one on receiving and sending ends of route, respectively, generation of source and noisy source sequences on receiving end of route, error-free transmission of noisy source sequence over backward communication channel to sending end of route, encoding of source sequence, discrimination of check character block from encoded source sequence, its error-free transmission over backward channel, generation of decorated sequence and sequence hashing function on sending end of route, error-free transmission of hashing function over forward communication channel to receiving end of route, and generation of encryption/decryption keys on receiving and sending ends of route by hashing source and decorated sequences using generated sequence hashing function, erasing of primary random , received random, source, and decorated sequences. EFFECT: enhanced resistance of generated encryption/decryption key to compromise. 4 cl, 35 dwg
Patent RU-2201529-C2 (RU)
Inventor: ROSLOV V A
IPC: E21B33/03
Filed: 2000-07-28
Granted: 2003-03-27
Abstract: FIELD: oil producing industry. SUBSTANCE: invention relates to equipment used at pumping out well fluid for sealing of wellhead in which sucker- rod is operating. Proposed sealing device has housing, stuffing box seal unit installed in housing for cross displacement, with its pressure bushings telescoping one into the other. Locking seal is made selfsealing. Bearing bushings are installed in support sleeves with clearance in which elastic rings-dampers are fitted. As stuffing material wears, plate spring pressing the stiffing material provides adequate sealing. Spaces found over and under locking seals are placed in communication through high pressure valve. EFFECT: reduced service expenses, provision of normal ecological conditions. 1 dwg
Patent RU-2194217-C2 (RU)
Title: Combined heating and hot water supply system with heat saving
Inventor: IVANOV N M
IPC: F24D3/08
Filed: 2000-08-22
Granted: 2002-12-10
Abstract: FIELD: decentralized heating and hot water supply to low-storied residential and production buildings. SUBSTANCE: combined heating and hot water supply system has surge tank-heat accumulator with built-in water heater, ejector, feeding pipe-line of additional hot water supply circuit, temperature controller with temperature-sensitive element, throttling washer throttling (diaphragm), actuator valves, non-return valve, thermometer. Lower part of water heating space of surge tank-heat accumulator is connected to feeding pipe-line of heating system via actuator valve, throttling washer, temperature controller with temperature-sensitive element installed in feeding pipe-line of additional hot water supply circuit and to return pipe- line of heating system via actuator valve and non-return valve installed in bypass of pressure line. Upper part of water heating space of surge tank-heat accumulator is connected to return pipe-line of heating system via actuator valve and ejector, outlet of ejector being installed in return pipe-line of heating system and linked to inlet of water heater of heat generator and to suction pipe-line. Ejector is connected via actuator valve to upper part of water heating space of surge tank-heat accumulator. Temperature-sensitive element and thermometer are mounted in zone of inlet of ejector suction pipe-line, on upper part of water heating space of surge tank-heat accumulator. Technical result of invention consists in increased efficiency of usage of heat saved thanks to utilization of heat of hot flue gases, extraction of heated water from feeding pipe-line of heating system and its transfer to water heating space of surge tank-heat accumulator for additional heating of water to required temperature due to burning of fuel saved in heating system in furnace of heat generator of system for utilization of heat for hot water supply. Fuel is also saved in hot water supply system owing to utilization of heat of hot flue gases. EFFECT: increased efficiency of heating and hot water supply system. 3 dwg
Patent RU-2239017-C2 (RU)
Title: Method of making composition for building road bases
Inventor: LEVCHANOVSKIJ G N
IPC: E01C3/04
Filed: 2000-08-24
Granted: 2004-10-27
Abstract: FIELD: road building. 
     SUBSTANCE: according to proposed method binder is mixed with ground, water repellent addition is introduced into mixture after which mixture is wetted with water solution of calcium chloride and subsequently mixed to get homogeneous composition. Water-repellent addition-bitumen and binder-fly ash of combustion of brown coal with lump quicklime are preliminarily heated to temperature 10-15 o  lower than bitumen flash temperature and are mixed in sealed chamber for 5-10 min at keeping of preset temperature. Prior to heating binder, it is subjected to grinding and cohesive ground is used for mixing with binder. Composition includes the following components, mass%: cohesive ground 67-75; brown coal fly ash 12.5-14.0; lump quicklime 4-5; bitumen 1.5-2.0, calcium chloride 1-1.5; water 6-10.5. Invention is aimed at improved strength and life of base owing to absorption of water repellent films on grains of binder and interaggregate spaces of base and formation of stable in time crystal structure. 
     EFFECT: increased strength and service life of base. 
     1 tbl, 5 ex, 1 dwg
Patent RU-2189411-C2 (RU)
Inventor: VALJUKHOV A A
IPC: E04D5/10
Filed: 2000-11-30
Granted: 2002-09-20
Abstract: FIELD: manufacture of building materials. SUBSTANCE: manufacture of layered coating is characterized by than bitumen or polymer-bitumen binder is applied onto fibrous support simultaneously over upper and lower layers, which are also separated from each other by a polymer film at temperature 120-150 C, followed by doubling material at pressure 0.5-2.0 kg/cu.cm and subsequent cooling to 15-30 C. Strength of roofing and waterproofing material is enhanced owing to reduced internal stresses in material and to increased crack resistance thereof. EFFECT: increased technical and economic characteristics. 6 ex
Patent RU-2236296-C2 (RU)
Title: Grinder
Inventor: TOKARCHUK O A
IPC: B02C13/24
Filed: 2001-01-17
Granted: 2004-09-20
Abstract: FIELD: grinding of hard materials in liquid. 
     SUBSTANCE: proposed grinder has housing with trapezoidal deflecting plates, disk installed for rotation in opposite directions with rectangular striking members on surfaces pointed to each other. Disks differ in diameter. Mounted on peripheral surface of larger diameter disk pointed to other disk are contractions with larger section pointed to side of rotation of disk on which they are mounted. Guide concave blades are installed on edge of disk close to neck pointed with inclined surface to side opposite to side of rotation of larger disk. Smaller section of contraction has form of ellipse whose larger diameter is parallel to disk surface. 
     EFFECT: improved efficiency of grinding. 
     3 dwg
Patent RU-2195054-C2 (RU)
Inventor: MANUILOV B D
IPC: H01Q3/26
Filed: 2001-02-21
Granted: 2002-12-20
Abstract: FIELD: antenna engineering. SUBSTANCE: adaptive P-antenna subarrays are discriminated at edges of N-antenna phased array, their output signals are weighed by means of complex weighing devices, complex weighting coefficients of adaptive subarrays being chosen from condition in which first and second beams of single-pulse group in P noise directions u       p   sba       (p = 1,2, ..., P) and in P directions u 0  symmetrical to them in generalized coordinate relative to boresight 2u 0 -u       p   sba        equal zero. EFFECT: enhanced precision of boresight orientation during zero generation in directivity patterns of mentioned arrays. 3 dwg
Patent RU-2223945-C2 (RU)
Inventor: MATSUMOTO KHIROO
IPC: C07C225/22
Filed: 1999-07-22
Granted: 2004-02-20
Abstract: FIELD: industrial organic synthesis. SUBSTANCE: 2-aminobenzophenone of formula 2:   (2) wherein X denotes hydrogen atom or C1-C4-alkyl, which is intermediate in synthesis of cholesterol-reducing agents useful in treatment of psychical disturbances and as antiinflammatory agents, is prepared by chlorination of tosylanthranylic acid suspended in halogenated aromatic hydrocarbon with phosphorus pentachloride at temperature from 0 to 100 C. Resulting phosphorus oxychloride is distilled away together with halogenated aromatic hydrocarbon at reduced pressure. Aromatic hydrocarbon of formula 3:   (3) is then added to reaction mixture simultaneously with 2-4 moles aluminum chloride per 1 mole tosylanthranylic acid, after which reaction is carried out at 40 to 90 C to convert intermediate of formula 1:   (1) into desired product 2. EFFECT: enabled continuously conducted process without use of concentrated sulfuric acid in detosylation stage. 2 ex
Patent RU-2211086-C2 (RU)
Title: Catalyst for low-temperature pyrolysis of hydrocarbon-containing polymer materials and a method for preparation thereof
Inventor: PRILUTSKIJ EHMMANUIL VOL FOVIC
IPC: B01J23/755
Filed: 1999-08-25
Granted: 2003-08-27
Abstract: FIELD: polymer waste reuse. SUBSTANCE: catalyst contains iron-carbon component obtained as product of concentration and pyrolysis of dispersion containing at least one VIII groupmetal (iron, nickel, cobalt) salt degradable on heating to form oxide, a carbohydrate, and volatile solvent. Catalyst may be prepared by adding preliminarily prepared iron-carbon component to above-indicated dispersion serving for preparation of metal-carbon component. Mixture is further evaporated and pyrolyzed. EFFECT: enhanced catalytic activity. 9 cl, 2 tbl, 4 ex
Patent RU-2196375-C2 (RU)
Inventor: SHCHEGLOV S I
IPC: H01S3/02
Filed: 2001-03-28
Granted: 2003-01-10
Abstract: FIELD: laser engineering; solid-state lasers. SUBSTANCE: optical system has plurality of laser light sources, optical light-emitting diodes, collimating lens made in the form of planar-convex lens with its surface facing laser light sources, and first optical-resonator mirror. The latter is made in the form of convex-planar lens with its surface facing active element. Lens is disposed between optical resonator mirrors. Second optical-resonator mirror is made in the form of convex-planar lens whose convex surface faces active element. Its concave surface is reflecting one. First mirror has reflecting planar surface. EFFECT: enhanced resistance of laser to vibrations and mechanical thrusts. 2 cl, 1 dwg, 1 tbl
Patent RU-2235813-C2 (RU)
Inventor: NAKAKHIRA TOMOTAKE
IPC: D04B9/56
Filed: 2001-04-10
Granted: 2004-09-10
Abstract: FIELD: sock knitting equipment and method. 
     SUBSTANCE: method involves automatically withdrawing sock blank of knitted fabric from sock knitting machine; advancing loop transfer needles, mounted on group of movable tables with loop transfer needles, with needle tips approaching close to textile needle hooks, upon production of sock blank from knitted fabric on sock knitting machine; raising and turning textile sock blank inside out by suction process for transfer of its loops on toe portion from textile needles onto respective loop transfer needles; transferring turned inside out blank of sock from sock knitting machine onto movable table with loop transfer needles; moving table with loop transfer needles so as to provide for linear arrangement thereof and clamping of loops on toe portion of sock blank of knitted fabric between two flat rows; moving table to closing zone, where loops on toe portion of sock blank are automatically sewn by means of automatic sewing machine. 
     EFFECT: increased efficiency and reduced power consumption. 
     4 cl, 32 dwg
Patent RU-2231452-C2 (RU)
Inventor: SARVETKIN V A
IPC: B60G11/18
Filed: 2001-04-09
Granted: 2004-06-27
Abstract: FIELD: automotive industry; passenger car cushioning. 
     SUBSTANCE: proposed suspension contains beams on one ends of which wheel axles with wheels are secured and on other ends, brackets of sprung mass frame. Longitudinal beams are connected by cross member consisting of flexible cables made in form of wires and resilient steel member, all arranged in resilient composite material of rectangular section with rounded off corners. With car running, amplitude oscillations arising in suspension are applied to resilient composite material where friction arises in wire layer which considerably suppresses oscillations, and provision of radius R of section corner rounding off ensures sufficient flexibility of cross member. Suspension improves operating characteristics at moment of running over peak obstacle when carrying heavy weight loads of parameters exceeding those allowed by car Certificate owing to increase of quasistatic rigidity of cross member. 
     EFFECT: improved operating characteristics of suspension. 
     3 dwg
Patent RU-2206715-C2 (RU)
Title: Liner for water-encroached producing well
Inventor: IBRAGIMOV N G
IPC: E21B43/00
Filed: 2001-07-06
Granted: 2003-06-20
Abstract: FIELD: oil producing industry, particularly, means for protection of formation reservoir properties. SUBSTANCE: liner has packer and plugged from bottom pipe string with check valve. Packer is made of two oppositely directed self-sealing packings. Check valve is made in form of hole in liner lower part and additional self- sealing packing installed with its funnel downward. In upper part of liner, but below packings, hole may be made which is closed with slide valve having float with positive buoyancy in oil. EFFECT: simplified design of liner and technology of its operation. 2 cl, 3 dwg
Patent RU-2208185-C2 (RU)
Inventor: GABDULLIN R F
IPC: F04D29/60
Filed: 2001-07-09
Granted: 2003-07-10
Abstract: FIELD: oil producing industry. SUBSTANCE: invention relates to submersible electric pumping units used for production of oil and pumping water out of inclined deviated and deviated wells. Proposed articulated cam joint contains spherical member articulated with pump housing and motor housing by means of lock and articulated coupling connected with extensions of pump and motor shafts. Housings of pump and motor are provided with conical and spherical flanges, respectively. Spherical member is made in form of spacer bushing whose spherical end face is mated with inner surface of spherical flange, and opposite end face provided with thrust ring with elastic element is coupled with conical flange. Lock is made in form of split holder coupling with spherical flange by means of cam joint, and with conical flange, by means of key joint. Holder is provided with bead whose inner surface is mated with inner surface of spherical flange. Articulated joint is furnished with limiting ring fitted on split holder. Articulated coupling is movably connected with output extensions of shafts. Spherical member, spherical flange and inner surface of bead are made for aligning centers of generatrices of their spheres with center of articulated coupling. EFFECT: improved reliability and convenience of assembling pump and motor joints, increased loading capacity. 3 dwg
Patent RU-2223586-C2 (RU)
Inventor: DANILOV S I
IPC: H02K27/00
Filed: 2001-10-04
Granted: 2004-02-10
Abstract: FIELD: electrical engineering; combination generators. SUBSTANCE: generator has rotor built of several highly electrifiable plastic disks having smooth surface and wound with steel foil in the form of continuous radial loops with open ends in center electrically connected to commutator; side surfaces of disks are disposed perpendicular to magnetic flux of the Earth that forms peculiar stator. Disks mounted on single drive shaft where they are spaced apart through minimal distance rotate in opposite directions between dielectric field brushes and metal strips electrically connected to commutator. These metal strips function to take off static electricity charges. EFFECT: simplified design and enhanced efficiency of generator. 1 cl, 1 dwg
Patent RU-2218416-C2 (RU)
Title: Tuyere of blast furnace
Inventor: SLEPTSOV ZH E
IPC: C21B7/16
Filed: 2001-10-16
Granted: 2003-12-10
Abstract: FIELD: ferrous metallurgy; particularly production of hot metal in blast furnaces. SUBSTANCE: blast furnace tuyere consists of top ring, shell with water-cooled hollow and fuel supplying pipe running through them, outlet end of which is equipped with cylindrical checkerwork projecting to working channel of tuyere, with outlet hole made in the shape of slit with all-metal overhang, the flat surface of which is located toward blast flow under obtuse angle relative to tuyere axis, and has longitudinal grooves concentrically coming apart from checkerwork axis, at the same time in body of all-metal overhang inlet channels are made, each of them is connected with two distribution channels running into longitudinal grooves; one of the distribution channels is made over outside edge of checkerwork, another channel is provided in its middle portion, and diameter of channel arranged over outside edge of checkerwork makes up 1.2-2.0 of diameter of channel provided in middle portion of checkerwork, while the upper edge of slit is made with possibility of formation symmetric narrowing toward vertical axis, which makes up 0.3-0.9 of height of slit by side surface of checkerwork. EFFECT: reduced specific consumption of coke and increased production output of blast furnace. 4 dwg
Patent RU-2233710-C2 (RU)
Title: Распылитель для тепловлажностной обработки воздуха (варианты)
Inventor: PARSHIN A A
IPC: B05B1/04
Filed: 2002-01-21
Granted: 2004-08-10
Abstract: Распылитель для тепловлажностной обработки воздуха относится к технике кондиционирования воздуха и, в частности, может быть использован для распыления жидких веществ в других отраслях промышленности и сельского хозяйства, а также в конструкциях декоративных фонтанов. Распылитель для тепловлажностной обработки воздуха содержит коллектор, на выходе из которого установлена рабочая пружина с примыкающими друг к другу витками и с заглушкой на свободном конце. Новым в распылителе является то, что рабочая пружина размещена в кольцевой щели коллектора с возможностью осевого перемещения и связана с коллектором посредством упругого элемента. Во втором варианте конструкции рабочая пружина размещена в кольцевой щели заглушки с возможностью осевого перемещения и связана с заглушкой посредством упругого элемента. В третьем варианте - рабочая пружина размещена в кольцевых щелях коллектора и заглушки с возможностью осевого перемещения и связана с коллектором и заглушкой посредством упругих элементов. Достигаемый при этом технический результат - повышение эффективности работы системы увлажнения воздуха за счет более стабильной дисперсности распыла жидкости, за счет изменения числа витков рабочей пружины, участвующих в распылении жидкости, при существенно изменяющемся расходе ее на входе в камеру увлажнения; исключение недопустимой деформации упругого элемента и рабочей пружины. 3 с. и 6 з.п. ф-лы, 3 ил.
Patent RU-2219260-C2 (RU)
Title: Способ очистки водных растворов кобальта и никеля от меди
Inventor: VOROPANOVA L A
IPC: C22B3/26
Filed: 2002-02-04
Granted: 2003-12-20
Abstract: Изобретение относится к цветной металлургии и может быть применено для очистки промышленных и бытовых стоков. В предложенном способе, включающем обработку раствора и экстрагента, контакт раствора и экстрагента, в качестве которого используют смесь олеиновой кислоты, триэтаноламина и инертного разбавителя, в качестве инертного разбавителя используют керосин или бензин, а экстракцию осуществляют при рН 5-9. Обеспечивается высокая селективность процесса извлечения, экономичность. 4 табл.
Patent RU-2226320-C2 (RU)
Inventor: LAUPER EHRIK
IPC: H04N7/14
Filed: 2000-04-28
Granted: 2004-03-27
Abstract: FIELD: video engineering; data transfer over telecommunication network having at least partially mobile radio link. SUBSTANCE: at least three subscriber stations 11 are intercommunicating through telecommunication network 40, in the process multimedia data being transmitted incorporate image data 22 and voice-frequency data 21 on subscribers; each of subscribers 10 receives image data on other subscribers which are reproduced at the same time on reproducing device 24. Eyes run tracking system 23 records direction of eyes of respective subscriber 10 and conveys data on position of subscriber s eyes to switching unit 20; data on subscriber images displayed in direction of eyes of respective subscriber 10 other than present-time direction are transferred over telecommunication network 40 to reduced-definition switching unit 20 or to that affording lower image transfer speed. EFFECT: enhanced compression of transferred data on video conference participating subscribers. 14 cl, 3 dwg