baber/WOPTO huggingface dataset:
Patent RU-2181853-C1 (RU)
Inventor: OLIFIROV F N
IPC: F04D29/66
Filed: 2001-07-13
Granted: 2002-04-27
Abstract: FIELD: mechanical engineering; pumps. SUBSTANCE: invention relates to axial centrifugal pumps for transferring liquids with gas or vapor inclusions, mainly for pumping liquids in power plants of aircraft. Proposed pump has housing, working chamber arranged in housing, impeller with radial and axial sections provided with blades installed in housing and backward flow damper installed in working chamber before axial section of impeller, and channel for recirculation of handled liquid flow part arranged parallel to working chamber. Inlet hole of recirculation channel is located opposite to initial part of impeller axial section. Outlet hole of recirculation channel is located before backward flow damper in direction of handled liquid flow. Backward flow damper is made in form of cylindrical sleeve with inner central bushing. Sleeve is connected with said bushing by means of longitudinal partitions forming segments to let handled liquid pass. EFFECT: elimination of self-excited cavitation oscillations within wide ranges of liquid flow rates at content of gases in liquid up to 60% or greater, as compared with liquid volume. 9 cl, 9 dwg
Patent RU-2199675-C1 (RU)
Title: Gas turbine plant and method of its starting
Inventor: IVANOV V A
IPC: F02C7/26
Filed: 2001-09-25
Granted: 2003-02-27
Abstract: FIELD: power engineering. SUBSTANCE: invention can be used in gas turbine plants designed for driving number of electric generators, compressors, pumps and some other gas turbine engines. Proposed gas turbine plant comprised turbine secured on compressor shaft. Turbine setting is placed in communication with outlet of combustion chamber whose inlet communicates with compressor. Supply manifold connected to nozzles is divided into central and peripheral spaces. Central space communicates with fuel feed set through valve. Peripheral space is connected with main line after starting-cutoff valve by pipeline furnished with shutoff member and device providing its filling up before opening of shutoff member. Air from external source is fed into combustion chamber through injector. In process of starting first valve 10 is opened, fuel is fed to nozzles arranged in center and firing is done with subsequently increasing fuel flow rate to provide required air-to-fuel ratio for all nozzles of combustion chamber. Simultaneously space is being filled up. When required fuel flow rate is attained, valve opens and delivery of air into injector is stopped. EFFECT: improved reliability of starting at low air flow rates through injector. 3 cl, 1 dwg
Patent RU-2212674-C1 (RU)
Title: Procedure testing electric parameters of amplifier, automated system testing electric parameters of amplifier
Inventor: FILISOV A D
IPC: G01R17/00
Filed: 2002-02-08
Granted: 2003-09-20
Abstract: FIELD: measurement technology, approval and presentation tests. SUBSTANCE: given procedure consists first of all in setting of tested electric value of amplifier, in formation of train of controlling signals and starting data for its test which are then amplified and converted from digital to analog form, in formation of voltage of key action and specified supply voltage which are simultaneously fed to object of test, in reception of magnitude of tested electric value in the form of output signal of amplifier, in its conversion from analog to digital form. Thereupon digital signal is processed to determine actual magnitude of tested electric value and this magnitude is compared with required magnitude. Automated system testing electric parameters of amplifier includes personal computer, printer, object of test, buffer unit, optron decoupling unit, unit controlling data, unit of address decoder, digital-to-analog converter, unit of control registers, unit of commutator of input signals, unit of commutator of output signals, unit of current pickups, analog-to-digital converter and unit of controlled voltage stabilizer of power supply unit. EFFECT: diminished testing time, enhanced authenticity of test results. 2 cl, 5 dwg
Patent RU-2217678-C1 (RU)
Title: Explosive tubular booster
Inventor: DENISOV V A
IPC: F41F1/00
Filed: 2002-04-12
Granted: 2003-11-27
Abstract: FIELD: mechanical engineering, applicable for projection of solids. SUBSTANCE: the booster has a propellant charge, electric primers, projected body and a metal tube representing a barrel for acceleration of the projected body. The propellant charge is positioned in combustion chambers separated by movable partitions. The electric primers are installed in the propellant charge, and the combustion chambers are connected by an electric circuit. The last combustion chamber serves as a locking mechanism. The quantity of combustion chambers makes up two and more. A through hollow tube is used for the barrel. EFFECT: enhanced mass and volume of the projected body and reduced mass of the propellant charge. 3 cl, 1 dwg
Patent RU-2206007-C1 (RU)
Title: Gate
IPC: F16K3/20
Filed: 2002-06-05
Granted: 2003-06-10
Abstract: FIELD: pipeline valves and fittings. SUBSTANCE: invention is designed for reliable closing of pipelines. Proposed gate contains housing, damper installed in housing with seats. Seats are made in form of telescopic bushings spring-loaded relative to housing. Bushings provided with sealing units form ring space in between. Bushings are furnished with mating beads forming variable-volume chamber in between. Said chamber communicates with ring space. Outer bushing is provided with additional bead to form adjacent chamber of variable volume. Variable-volume chamber communicates through channel in inner bushings with through hole of gate. EFFECT: improved operating reliability of gate. 4 cl, 5 dwg
Patent RU-2214480-C1 (RU)
Inventor: ARKHIPOV G V
IPC: C25C3/08
Filed: 2002-07-15
Granted: 2003-10-20
Abstract: FIELD: non-ferrous metallurgy, equipment of shops winning aluminum by electrolytic process, design of cathode enclosure for electrolyser of frame type. SUBSTANCE: given cathode enclosure of aluminum electrolyser has metal bath with longitudinal walls with windows to bring out cathode bars lined on the inside, face walls and bottom installed inside rigid framework formed by frames made fast to supporting frame. In compliance with first variant transition zone of longitudinal wall to bottom is rounded with radius equal to 10-20 thicknesses of bottom sheet of bath or longitudinal wall. Thickness of longitudinal wall in transition zone amounts to 1.5-2.0 thicknesses of bottom sheet of bath. Thickness of rib of frame in transition zone is 1.5-2.0 its main thickness and of inclined strengthening rib is 1.2-2.0 thickness of lateral strengthening rib. According to second variant metal strap with width equal to 1.0-1.5 width of flange of frame and height equal to 3.5-4.0 rounding radius of angular part of bath is fixed with electric rivets on bottom sheet and longitudinal wall in zone of transition of bottom to longitudinal wall. EFFECT: prolonged service life of cathode unit and consequently of aluminum electrolyser thanks to modification of design which enables high mechanical stress in hazardous zones to be diminished. 6 cl, 5 dwg
Patent RU-2225488-C1 (RU)
Inventor: SHTEJNBOK L Z
IPC: E04H6/30
Filed: 2002-10-07
Granted: 2004-03-10
Abstract: FIELD: building industry. SUBSTANCE: movement method for carts connected by coupling into columns on long orbit parts in which carts move one after another on one step in movable parking-storage module involves successive transferring carts on one step along short orbit parts; orienting carts arranged on long orbit parts transversely to movement direction thereof; orienting carts arranged on short orbit parts in parallel to movement direction thereof; installing closed segment of drive chain having four branches composed of two parallel pairs formed in corners by star members with vertical axes on cart travel path; connecting shafts with rollers to upper plates of drive chain so that each roller enters in longitudinal slot of cart located on lover roller frame surface; connecting two shafts with rollers to upper plates of drive chain located on long orbit part so that shafts are spaced at equal distances from each other; connecting shafts with rollers to upper plates of closed drive chain located on short orbit part such that spacing between shafts is equal to spacing between carts; loading carts by trays in lengthwise direction by yoke mechanisms. EFFECT: increased reliability, possibility of easy cart movement over determined orbit. 5 cl, 6 dwg _
Patent RU-2231523-C1 (RU)
Inventor: TUKTAROVA L A
IPC: C07C69/732
Filed: 2002-11-28
Granted: 2004-06-27
Abstract: FIELD: organic chemistry, chemical technology. 
     SUBSTANCE: invention relates to the improved method for preparing pentaerythryl-tetrakis-[3-(3,5-di-tert.-butyl-4-oxyphenyl)-propionate] used as effective non-coloring, nontoxic and low-volatile stabilizing agent for rubbers, plastics and other polymeric materials. Method involves re-esterification of methyl-3-(3,5-di-tert.-butyl-4-oxyphenyl)-propionate with pentaerythritol at enhanced temperature in the presence of catalyst in medium with dimethylformamide or dimethylsulfoxide and the isolation of the end product by crystallization. As a catalyst, method involves using zinc acetate taken in the amount 1-6 wt.-% per the charged methyl-3-(3,5-di-tert.-butyl-4-oxyphenyl)-propionate. Dimethylformamide or dimethylsulfoxide are used in the amount 30-100% as measured for the reaction mass. This the economically profit method provides preparing the high quality end product with the yield about 98%. 
     EFFECT: improved preparing method. 
     5 ex
Patent RU-2229432-C1 (RU)
Inventor: EFIMKIN M L
IPC: B65D47/30
Filed: 2003-01-16
Granted: 2004-05-27
Abstract: FIELD: food industry. SUBSTANCE: invention relates to devices designed for regulation of draining of food products, such as wine, juice or milk by gravity from reservoirs and reservoirs in little amounts. Proposed cock is made in form of t-pipe with longitudinal central part and inlet branch pipe inserted into mating branch pipe of liquid reservoir. Central part is provided with longitudinal through hole connected with inlet branch pipe hole. End of said hole is hermetically closed by tightly fitted-on deformable flexible cap with inner downwards pointed central seat for tight fitting of end of drain valve shank. Head of cock forms hermetically sealed pair with mating seat of lower end hole of central part from outside. Valve and cap are made for translational motion corresponding to deformation of cap. Head in downwards extended position with open lower end of hole provides draining of liquid. Cap is closed from top by guard rigid boot. Cock is provided with device for aligning displacement of valve along central part hole axis. Inlet branch pipe is furnished with outer intermediate sealing beads and fixing bead on end whose diameter is smaller than diameter of sealing beads. Mating branch pipe of reservoir is provided with groove for sealing bead and mating projection for fixing bead is place where branch pipe hole changes into reservoir. Rigid guard boot is divided into two parts by weakened, and tongue for gripping by fingers on upper part. Lower part is interference-fitted on central part of housing. Device for aligning displacement of valve along hole axis can be made in form of longitudinal alignment guides around head and/or shank of valve. EFFECT: improved operating characteristics of cock, facilitated mounting of cock on reservoir. 2 cl, 10 dwg
Patent RU-2234696-C1 (RU)
Inventor: SEMCHEVSKIJ A K
IPC: G01N27/27
Filed: 2003-03-26
Granted: 2004-08-20
Abstract: FIELD: instrumentation engineering. 
     SUBSTANCE: proposed device contains series-connected in gas duct first electrolytic cell with dc voltage source and current meter, solid electrolyte cell featuring oxygen0ionic conductance at temperature exceeding 600 o  C provided with dc voltage source, two current meters and two electric rectifiers and second electrolytic cell furnished with dc voltage source and current meter. When gas mixture flowrate is known, concentration of water is evaluated by current passing through first electrolytic cell, and concentration of oxygen and hydrogen is determined by currents passing through solid electrolyte and electrolytic cells. 
     EFFECT: improved accuracy of measurements, reliability and simplified design. 
     1dwg
Patent RU-2248271-C1 (RU)
Inventor: SUZDAL TSEV E I
IPC: B28B1/26
Filed: 2003-07-14
Granted: 2005-03-20
Abstract: Изобретение относится к технологии формования крупногабаритных, сложнопрофильных керамических изделий из водных шликеров. Технический результат - улучшение качества керамических изделий. Устройство содержит влагопоглощаюшую матрицу, сердечник, узлы для их взаимной соосной установки и подпитки. Сердечник имеет центральное, вертикальное, сквозное отверстие, запертое штоком. 1 ил.
Patent RU-2249055-C1 (RU)
Title: Method for pyrometallurgy reprocessing of copper-containing materials
Inventor: SHASHMURIN P I
IPC: C22B15/02
Filed: 2003-08-18
Granted: 2005-03-27
Abstract: FIELD: reprocessing of industry waste, in particular production of blister copper from recoverable materials. 
     SUBSTANCE: method for pyrometallurgy reprocessing of copper-containing materials includes charging of fuel as reducing agent and copper-containing material into blast furnace, introducing hot or cold wind into blast furnace; reducing fusion and blister copper separation from dross. As fuel-reducing agent metallurgical and lump oil coke in ratio of (95-0):(5-100) mass % is used. 
     EFFECT: reduced content of expensive coke in fuel, decreased dross efflux and copper content in dross. 
     7 cl, 3 tbl
Patent RU-2250758-C1 (RU)
Title: Method for carrying out closed intramedullary femur osteosynthesis
Inventor: CHELNOKOV A N
IPC: A61B17/56
Filed: 2003-08-22
Granted: 2005-04-27
Abstract: FIELD: medicine. 
     SUBSTANCE: method involves setting distal fractured femur fragment 0° rotation position by eliminating rotation displacement. The central fractured bone fragment is reduced to the same rotation degree. The event is checked with X-ray picture of proximal injured extremity femur region to be coincident with one of proximal intact extremity femur region set in zero rotation position. The central fractured bone fragment is rotated by means of auxiliary device having two articulated plates and separator member. Wire is introduced into the upper bone splitter frontal towards dorsal side and into the distal one from inside out. The wires are fixed in wire distractor unit retaining the wires in perpendicular relation. The fractured bone fragments stretched to restore femur length and intramedullary rod is introduced. The wires having rest members are oppositely introduced into bone fragments in particular cases when fracture lines are directed towards femur articulation end. 
     EFFECT: simplified reposition method with large forces being applied. 
     2 cl, 4 dwg
Patent RU-2236877-C1 (RU)
Inventor: GUBIN V K
IPC: A62C3/02
Filed: 2003-10-22
Granted: 2004-09-27
Abstract: FIELD: fire-fighting equipment, particularly for forestry industry. 
     SUBSTANCE: method involves creating vertical barrier formed by hollow groove arranged transversely to ground slope. Excavated in upper groove part is trench filled with filter of non-combustible water-proof material. Ground excavated from trench is placed down the slope to form windrow under groove. 
     EFFECT: increased efficiency of powdered peat wetting; reduced mineral ground consumption for barrier forming. 
     1 dwg
Patent RU-2256783-C1 (RU)
Inventor: SOROKIN A V
IPC: E21B43/18
Filed: 2004-03-30
Granted: 2005-07-20
Abstract: FIELD: oil and gas industry. 
     SUBSTANCE: method includes forming a depression on bed by gassing column of well liquid due to interaction of acid with alkali metal in well. With decrease of specific weight of well liquid for 20-40% from its basic specific weight well is periodically sealed at mouth. Well is sealed for different time spans. These periods are set by random law to provide for cyclic non-stationary mode of well operation. Such mode is maintained until gassed liquid leaves well and bed fluid debit stabilizes. 
     EFFECT: lower costs, broader functional capabilities, higher efficiency. 
     7 cl, 1 ex
Patent RU-2266469-C1 (RU)
Inventor: ISMAGILOV Z R
IPC: F23G7/06
Filed: 2004-06-16
Granted: 2005-12-20
Abstract: FIELD: technologies for combustion of flush gases, including those under high pressure, during extraction and processing of natural gas and oil. 
     SUBSTANCE: body of burner, mounted on gas inlet pipe, is made conical with widened portion at upper portion, in the body additionally mounted are two catalyst elements, at lower portion on inlet section first catalyst element is positioned, and above on outlet section - second catalyst element, rotary shutters are mounted on base of conical body in additional way, so that in closed position they are in contact with first catalyst element, and open position between first catalyst element and body gap is formed, also, device is additionally provided with one or more main torches, mounted in gas inlet pipeline below rotary shutters and first catalyst element. Relation of diameters of first and second catalyst elements matches relation of debits of hydrocarbon gas, fed in normal mode and during salvo exhaust. Catalyst elements are manufactured either in form of cell-like structured blocks with direction of channels in parallel to direction of feeding of flush gases, or in form of block sections with granulated catalyst, for example, Rachig rings, or in forms of block sections with active-catalyst metallic shavings, or in form of blocks with active-catalyst metallic meshes. 
     EFFECT: higher ecological safety and fullness of combustion of flush gases in broad flow range, simplified construction and comfort of maintenance. 
     6 cl, 3 dwg
Patent RU-2272701-C1 (RU)
Title: Powder wire for surfacing by means of open electric arc of parts of railroad transport vehicles
Inventor: SHAMIN SERGEJ ANATOL EVICH
IPC: B23K35/368
Filed: 2004-07-15
Granted: 2006-03-27
Abstract: FIELD: welding processes and equipment, namely materials for powered surfacing by means of open arc of wear resistant layer at restoring parts and articles of railroad transport such as wheels, couplers of moving stock. 
     SUBSTANCE: powder wire containing steel sheath and powdered charge including rutile concentrate, ferromanganese, ferrotitanium has charge to which are added marble, fluorspar, aluminum powder, ferrosilicon and sodium silicofluoride at next relation of ingredients, mass %: marble, 1 - 3; rutile concentrate, 3 - 5; fluorspar, 3 - 5; ferromanganese, 0.3 -1.0; ferrotitanium, 3 - 5; ferrosilicon, 01 - 1.0; aluminum powder, 0.1 - 0.8; sodium silicofluoride, 0.3 - 1.0; steel sheath, the balance. 
     EFFECT: enhanced rigidity, low tendency to flaking, flaw absence of surfaced metal, good cohesion with base metal, improved efficiency and low cost price of powder wire. 
     1 tbl
Patent RU-2273651-C1 (RU)
Title: Composition containing flexible semiaromatic polyamides showing low moisture absorption (options) and structures comprising them (options)
Inventor: BLONDEL FILIPP
IPC: C08L77/10
Filed: 2004-08-04
Granted: 2006-04-10
Abstract: FIELD: polymer materials. 
     SUBSTANCE: title polyamides possess also a good elongation capacity and a high thermo-mechanical strength. Object of invention is to obtain polyamides, which would be characterized by resistance to ageing under high working temperature conditions with their flexibility preserved. Disclosed composition contains (i) 60 to 99.5% (preferably 70-93%) of at least one copolyamide depicted by formula X/Y,Ar, wherein Y represents aliphatic diamine groups containing 8 to 20 carbon atoms; Ar represents groups of aromatic dicarboxylic acid; X either represents groups of aminoundecanoic acid H 2 N-(CH 2 ) 10 -COOH, lactam-12 or corresponding acid or X represents unit Y.x, which is group resulting from condensation of diamine with aliphatic dicarboxylic acid (x) containing 8 to 20 carbon atoms, or X represents unit Y,I, which is group resulting from condensation of diamine with isophthalic acid; and (ii) 0.5 to 40% (preferably 7-30%) of at least one product selected from plasticizers, nano-fillers, polyolefins, cross-linked polyolefins, and additives. Preferably, X/Y,Ar represents: (1) 11/10,T resulting from condensation of aminoundecanoic acid, 1,10-decanediamine, and terephthalic acid, (2) 12/12,T resulting from condensation of lactam-12, 1,10-decanediamine, and terephthalic acid, (3) 10,10/10,T resulting from condensation of sebacic acid, 1,10-decanediamine, and terephthalic acid, or (4) 10,I/10,T resulting from condensation of isophthalic acid, 1,10-decanediamine, and terephthalic acid. Invention also provides apparatus, materials, and structures involving proposed composition. 
     EFFECT: improved performance characteristics of material. 
     27 cl, 4 tbl, 4 ex
Patent RU-2280173-C1 (RU)
Title: Combination noise silencer
Inventor: KOCHETOV OLEG SAVEL EVICH
IPC: F01N1/08
Filed: 2004-12-28
Granted: 2006-07-20
Abstract: FIELD: mechanical engineering; noise damping. 
     SUBSTANCE: proposed noise silencer contains cylindrical housing rigidly connected with end face intake and outlet branch pipes, and central partition.  Housing is lined from inside with noise-absorbing material, and central partition is made in form of perforated tube rigidly connected at one side with intake branch pipe, and at other side, with L-shaped ring forming circular gap with circular slot with inner surface of housing. Gap is filled up with noise-absorbing material. 
     EFFECT: improved efficiency of noise damping owing to tuning of chamber part of silencer by selecting properties of noise absorbing element and tuning resonating part of silencer. 
     1 dwg
Patent RU-2271171-C1 (RU)
Title: Device for treating complicated femur fracture cases
Inventor: ROZINOV VLADIMIR MIKHAJLOVICH
IPC: A61B17/72
Filed: 2004-12-29
Granted: 2006-03-10
Abstract: FIELD: medical engineering. 
     SUBSTANCE: device has intramedullary rod, guiding member and locking screws. The rod has locking holes for receiving the locking screws. The locking holes are arranged across axis on the same side with rod end face and tip. The rod has coaxial threaded hole on the same side with end face for receiving means for coupling the rod and guiding member. The guiding member has holes for receiving trocar matching the locking holes of the rod. The rod has two curvatures arranged in plane drawn in perpendicular to plane of locking hole axes having indents on the axis from rod end face equal to 0.35 and 0.65 times rod length, respectively. The rod diameter is not greater than statistical mean diameter of adolescent medullary canal. Distance from rod end coupled with the guiding member along rod axis to the locking member nearest to the end is 6-7 times greater than rod diameter for avoiding growth zone intersection near greater trochanter base. Distance between the neighboring locking holes axes made in each rod near the end face and near the tip is not greater than three and two times diameter, respectively. Distance from locking hole axis being the nearest to the tip to the far tip end is not less than two times rod diameter. 
     EFFECT: enhanced effectiveness of intramedullary osteosynthesis with age-specific orientation; high strength and reliability of osteosynthesis. 
     5 cl, 4 dwg