baber/WOPTO huggingface dataset:
Patent RU-2249669-C1 (RU)
Title: Two-packer device
Inventor: KAPLUN V A
IPC: E21B33/12
Filed: 2003-08-14
Granted: 2005-04-10
Abstract: FIELD: oil and gas industry. 
     SUBSTANCE: device has shaft with radial channels and return valve, upper and lower compacting elements. Inside the shaft a hollow spring-loaded moving rod is placed. It has radial apertures and recesses. Between apertures a throttle is rigidly placed. On upper portion of rod a piston is placed. Working hollow, formed between rod with piston and barrel, fixed on inner portion of shaft, is connected to above-packer space of well by radial aperture, made in barrel wall. Working hollows of upper and lower compacting elements are connected by axial channel, made in shaft and ring channel, formed between inner and outer pipes, connecting lower compacting element to the shaft. On upper portion of pipe through radial apertures are made and cylindrical recess, matching rod diameter, in which rod a plug is place. Outer diameter of upper end portion of rod equals outer diameter of lower rod portion. 
     EFFECT: higher reliability. 
     2 dwg
Patent RU-2247625-C1 (RU)
Title: Method for acting upon chemical composition of melt steel before continuous casting process and during such process and crater formation preventing apparatus for performing the method
Inventor: SHUMAKHER EHVAL D ANTONOVICH
IPC: B22D11/108
Filed: 2003-09-01
Granted: 2005-03-10
Abstract: FIELD: metallurgy, namely processes for billet continuous casting. 
     SUBSTANCE: method comprises steps of preparing melt steel in main vessel, then pouring it through discharge opening to intermediate vessel and from intermediate vessel at least to one mold. When steel is in main vessel and during stages of pouring steel into one of said vessels elements changing properties of steel together with inert or neutral gas are added to steel. At least during one stage of pouring steel, said elements together with gas are fed through hollow stopper made as one piece with apparatus preventing crater formation while changing position of stopper relative to discharge opening. At lower position lower end working part of stopper is arranged in steel flow leaving respective vessel. In hollow stopper pressure of supplied gas is kept slightly higher or equal to steel pressure acting upon lower end working part of stopper. Continuous casting is also realized through apparatus preventing crater formation. 
     EFFECT: production of small lots of high quality billets of different chemical composition due to uniform rational feed of alloying elements and(or) killing agents together with gas in melt steel, controlled casting rate, elimination of slag penetration to intermediate vessel and mold. 
     4 cl, 11 dwg, 7 ex
Patent RU-2248066-C1 (RU)
Title: Field-effect photocathode manufacturing process
Inventor: MILESHKINA N V
IPC: H01J40/06
Filed: 2003-11-06
Granted: 2005-03-10
Abstract: FIELD: manufacture of radiation detectors for visible and infrared optical radiation. 
     
     
       SUBSTANCE: proposed field-effect photocathode is manufactured from type A3B5 semiconductor material by etching blank and cleaning effective emissive surface until nuclear-pure surface is obtained. Then effective emissive surface is heated to 400 - 450 K and covered with sub-monolayer coating in the form of film of aluminum Al, 0.4-0.8 monolayers thick, in vacuum. 
     
     
       EFFECT: enhanced sensitivity of photocathode. 
     
     
       1 cl, 2 dwg
Patent RU-2253780-C1 (RU)
Title: Ratchet reverse reduction gear
Inventor: SOLODKIN E P
IPC: F16H29/10
Filed: 2003-11-12
Granted: 2005-06-10
Abstract: FIELD: mechanical engineering. 
     SUBSTANCE: ratchet reverse reduction gear comprises housing which receives driving shaft with two cams, driven shaft with two ratchet wheels, two rocking levers which are freely mounted on the driven shaft and define a kinematical link with the driving shaft, reverse unit with rotatable device for switching dogs and transmitting kinematical link between the driving shaft and driven shaft, and power generating unit. The rocking levers are provided with rollers and dogs which cooperate with the teeth of the ratchet wheels. The teeth of the ratchet wheels are made of a three-dimensional figures with rectangular working surfaces and trapezoidal faces which mate the circumferences of the hollows of the ratchet wheels. The dogs have two working surfaces from the opposite sides whose shape correspond to the working surfaces of the teeth of the ratchet wheels. 
     EFFECT: enhanced reliability. 
     4 cl, 4 dwg
Patent RU-2248222-C1 (RU)
Title: Device for treating purulent cavities
Inventor: NOVOMLINSKIJ V V
IPC: A61M1/00
Filed: 2004-01-26
Granted: 2005-03-20
Abstract: FIELD: medical engineering. 
     SUBSTANCE: device has tube introducible via trocar. The tube has circular groove in distal part with head piece put over it at its top. The head piece is spherical hollow reservoir having cylindrical sleeve. Ring-shaped thickening is available on the sleeve end for fixing it in the circular groove. The spherical reservoir is molded from flexible material and has cleansing pile arranged at an angle of 90° to the surface as follows. One filament is on the pole, a part of is arranged along equator half distance between the poles and the other filaments are distributed in the middle between the equator and the poles. Slit-like valves are available between the pile filaments along the lines of their arrangement. Proximal part of the tube is enclosed in casing and protrudes 30-40 mm from it. Worm gear is available in tube casing forming worm-and-worm pair with a worm with shaft projects from the casing and is connected to electric engine rotating the tube. Sleeve is put on over the protruding proximal part and fixed on the casing. The sleeve is connected to pump by means of a hose. 
     EFFECT: enhanced effectiveness of treatment. 
     4 cl, 1 dwg
Patent RU-2258299-C1 (RU)
Inventor: SHABAD S A
IPC: H03F3/36
Filed: 2004-02-20
Granted: 2005-08-10
Abstract: FIELD: high-frequency sound reproduction. 
     SUBSTANCE: proposed tube amplifier whose stages are directly intercoupled and are separately supplied with power has anode of first tube VL1 connected to grid of second tube VL2, and resistor R2 is inserted between their common point and cathode of second tube VL2; cathode of second tube VL2 is connected to positive pole of first-stage power supply E2 and to negative pole of second-stage power supply E3. 
     EFFECT: reduced distortions of amplified signal. 
     4 cl, 4 dwg
Patent RU-2259406-C1 (RU)
Inventor: PANOVKO G JA
IPC: B23K37/00
Filed: 2004-03-12
Granted: 2005-08-27
Abstract: FIELD: local vibration treatment of welding seams. 
     SUBSTANCE: the invention is pertaining to the devices for a local vibration treatment of welding seams and may be used for removal of residual stresses in the metal details mainly having a closed loop of type of pipes, rings, shells made with application of welding. The exciter of vibrations place in symmetry to the plane the welding seam in a zone of the heightened levels of the residual stresses and fix by means of a pin. On the flanges of the body of the vibration exciter by means of covers fix the elastic shell to form a working chamber. The working medium through a coaxially located channel and conjugated with it radial holes is fed in the working chamber. Onto the inlet of the device for vibration treatment of the welding seams by means of the working medium a periodically varying in time pressure is fed from the pressure pump. The pressure developed at that is transferred through the elastic shell to a treated component. The device ensures a purposeful action on those components of the tensor of the residual stresses, which have the greatest levels of stresses and determine the intensity of a stressed state in the dangerous cross-sections. In addition the offered device ensures uniformity of the action along a pipe cross-section perimeter. 
     EFFECT: the invention ensures determination of levels of the stresses intensity in the dangerous cross-sections as well as uniformity of the action along the pipe cross-section perimeter. 
     3 cl, 2 dwg
Patent RU-2264685-C1 (RU)
Inventor: GUTER L R
IPC: H02M3/335
Filed: 2004-04-01
Granted: 2005-11-20
Abstract: FIELD: electrical engineering; secondary power supplies. 
     SUBSTANCE: newly introduced in regulated voltage converter is current sensor 15 inserted between second terminal of reactor 14 and common point of transistor switches 1, 2, its output being connected to second inputs of second delay circuit 18 and switching phase modulator 22 of transistor switches. Switching loss minimum depends on choice of interval length formed by delay circuits 17, 18. 
     EFFECT: enhanced reliability and efficiency due to reduced switching loss in transistor switches at any load current. 
     1 cl, 5 dwg
Patent RU-2265088-C1 (RU)
Inventor: BORODIN A V
IPC: C30B15/34
Filed: 2004-05-18
Granted: 2005-11-27
Abstract: FIELD: electronic industry; production of profiled crystals from semiconductor materials and other materials used in electronic industry. 
     SUBSTANCE: proposed method consists in growing profiled crystals from melt by drawing the seed holder and imparting rotation to seed holder and to molding agent with capillary zone for  delivery of melt located between inner and outer curvilinear edges of working surface in form of spiral; the following relationship is satisfied: dR/dα≥0, where R and α are radius and  angle of polar coordinate system with center at  point of intersection of  plane  in which edges of working  surface of molding agent  and  axes of its rotation lie. Molding agent may be so made that  its working surface is located at angle relative to plane of its base. Molding agent may be made at gradual increase of molding surface above base. Proposed method may be used for growing crystals from  rubin, sapphire, alumoyttrium garnet, composite eutectics refractory  oxides, lithium niobate, molybdates of rare-earth metals and other substances of various forms, hollow parts inclusive in form of  cone, sphere, rod (cylinder), ellipsoid  at section in form of trochoid or any open curve at homogeneous structure. 
     EFFECT: possibility of obtaining constant thickness of crystal or thickness changing according to definite law. 
     5 cl, 10 dwg
Patent RU-2276706-C1 (RU)
Inventor: CHISTJAKOV ALEKSANDR ANATOL EV
IPC: E02B9/04
Filed: 2004-11-29
Granted: 2006-05-20
Abstract: FIELD: hydraulic building, particularly fish protective devices adapted to protect young fish against entrance in water-intake structure. 
     SUBSTANCE: fish protective device comprises perforated suction pipe with conical member connected thereto. Conical member has filtering surface made as concave gutters communicated along cone generators and widening towards conical member base. Conical member apex faces water flow and is connected to suction line of the pump. Conical member base faces water flow and is made as polyhedral pyramid having side faces made as gutters concave towards longitudinal device axis. Gutter surfaces are made of water-tight material. 
     EFFECT: increased efficiency of fish protection. 
     12 cl, 22 dwg
Patent RU-2266405-C1 (RU)
Inventor: IBRAGIMOV N G
IPC: E21B43/18
Filed: 2004-12-14
Granted: 2005-12-20
Abstract: FIELD: oil industry, particularly well bottom zone treatment in carbonate reservoir. 
     SUBSTANCE: method involves lowering flow string sealed from bottom end and provided with filtering fitting and packer so that filtering packer is installed 2-4 m above productive formation bottom; circulating 10-15% hydrochloric acid solution in amount of 10-20 hole annuity volumes through the well; blocking flow string at well head; forcing 10-15% hydrochloric acid solution with high-gravity oil into productive formation through hole annuity, wherein high-gravity oil flow-rate is 24-35m 3 /day and pressure at flow string head is 0.8-1.2 MPa; opening flow string at well head; repeatedly circulating 10-15% hydrochloric acid solution in amount of 10-20 hole annuity volumes through the well along with displacing high-gravity oil in tank; repeatedly closing flow string at well head and forcing 10-15% hydrochloric acid solution with high-gravity oil into productive formation through hole annuity, wherein high-gravity oil flow-rate is 24-35m 3 /day and pressure at flow string head is 0.8-1.2 MPa; repeating above circulation and forcing operations; forcing all remaining acid solution with high-gravity oil during the final operation performing; installing packer above productive formation interval; performing technological time delay for 1-2 hours to provide acid reaction; performing swabbing through flow string with rate of 70-100 m 3 /day; lifting underground equipment for 24-48 hours; lowering screw pump and bringing the well into operation. 
     EFFECT: increased efficiency of well bottom zone treatment. 
     1 ex
Patent RU-2278458-C1 (RU)
Inventor: KARNAUKHOV NIKOLAJ FEDOROVICH
IPC: H02M1/16
Filed: 2005-01-21
Granted: 2006-06-20
Abstract: FIELD: electric engineering, in particular, force electronics engineering, possible use as controllable device for launching network voltage transformer, in particular, when engineering secondary electric power sources with transformer-less input, devices for electro-chemical protection of subterranean metallic structures from soil corrosion, corrosion by wandering currents, working in impulse-uninterruptible mode. 
     SUBSTANCE: device contains input network rectifier 1, thyristor optic pair 2, consisting of thyristor 3 and light diode 4, low frequency capacitor 5, to which a load is connected. Controlling circuit contains decoupling transformer 6 with magnetic-connected primary and two secondary windings, network synchronization block 7, containing rectifier 8, voltage splitter 9, first comparator 10, block for generation of controlling voltage 11, containing generator of linearly changing voltage 12, second comparator 13 with inbuilt single-vibrator on output and generator of thyristor launch impulses 14, made with controllable time constant of exponentially changing voltage, autonomous source of permanent voltage 15, having at least three output channels, having different level of output voltage, while voltage U 0  is supporting voltage and is generated by galvanic element, additional rectifier 16 and program-controlled shift voltage source. Control over process of charge and fall of voltage in capacitor provides for predictability of launch voltage level of high frequency transformer, and circuit for controlling thyristor optic pair excludes appearance of random control pulse during launch of network transformer, to increase reliability and controllability of network transformer as a whole. 
     EFFECT: increased reliability of activation of thyristor launching circuit due to excluded appearance of random controllable impulse of thyristor in the moment of feeding network voltage and reliable controllability of speed of increase and decrease of output rectified voltage of network transformer of impulses of thyristor launch with variable time constant. 
     3 cl, 6 dwg
Patent RU-2279308-C1 (RU)
Inventor: ARTAMONOV NIKOLAJ ALEKSEEVICH
IPC: B01J19/00
Filed: 2005-02-01
Granted: 2006-07-10
Abstract: FIELD: oil processing industry; devices for ecological purification ejected gases. 
     SUBSTANCE: the invention is pertaining to the field of oil processing industry, in particular, to the photothermocatalytic reactor of ecological purification of the ejected gases from hydrocarbon impurities including carbon oxide. The reactor contains the body with the technological fitting pipes, the catalyst devices and the sources of the infra-red radiation. The catalyst devices contain the resistance electrical winding placed on the catalyst devices and the swirling or turbulizing turbulence catalyst insertions. The insertions are made in the form of the planar annular and semi-conical perforated components and established coaxially to the sources of the infra-red radiation. The insertions can have a various grade of perforation both in radius and on the whole surface. The catalyst devices of the non-round cross section have the internal equivalent diameter equal to (6.5-16.5) d rad , where d rad  is the diameter of the radiating unit. The invention allows to reduce the power input, to expand the range of the reactor application and to increase efficiency of neutralization of the ejected gases. 
     EFFECT: the invention ensures reduction of the power input, expansion of the range of the reactor application and the increase of efficiency of the ejected gases neutralization. 
     3 cl, 4 dwg
Patent RU-2283684-C1 (RU)
Inventor: FOMICHEV VLADISLAV PAVLOVICH
IPC: B01D45/14
Filed: 2005-02-18
Granted: 2006-09-20
Abstract: FIELD: separating dispersed particles from gases or vapors. 
     SUBSTANCE: device comprises housing, stack of disks mounted on the shaft inside the housing for permitting rotation, inlet and outlet branch pipes, and dust collector.  The stack of disks is interposed between the face flanges that are smoothly go into conical shells for permitting synchronous rotation with the disks and define the passage for separating dusted gas flow between the outer and inner shells.  The passage directs the cleaned gas flow to the outlet branch pipe, and separated particles, to the dust collector.  The conical shells are not connected with the outlet branch pipe and dust collector.  Depending on the physical properties of materials to be cleaned, the inner and outer conical shells are inclined to the axis of rotation at the same or different angles ranging from 0 to 90°. 
     EFFECT: enhanced quality of cleaning. 
     3 cl, 1 dwg
Patent RU-2285382-C1 (RU)
Inventor: LOVCHIKOV ALEKSANDR PETROVICH
IPC: A01D91/04
Filed: 2005-02-21
Granted: 2006-10-20
Abstract: FIELD: agriculture. 
     SUBSTANCE: method involves cutting stems by means of windrow type headers and laying cereal mass into single or doubled windrow; forming united windrow from three single or two paired windrows; picking up united windrow and threshing by means of combine. Apparatus for laying of cereal mass into united windrow has carrier and feeler wheels, pickup device with belt conveyor, and hitching device for combining with tractor. Spring teeth are fixed on belt conveyor of pickup device. Transverse windrow forming conveyor consisting of two sections is positioned behind discharge edge of belt conveyor of pickup device. One of said two sections of windrow forming conveyor is rigidly mounted in parallel with conveyor of pickup device and other section is pivotally attached to said one section for moving it by means of hydraulic cylinders from transport position to operating position. 
     EFFECT: increased efficiency of combine due to increased capacity of windrows and reduced cereal crop harvesting time. 
     3 cl, 2 dwg
Patent RU-2286297-C1 (RU)
Inventor: GUSHCHIN VLADIMIR VASIL EVICH
IPC: B65D90/30
Filed: 2005-05-05
Granted: 2006-10-27
Abstract: FIELD: oil storage, possible use in oil, oil-chemical and other industrial branches related to production, storage and distribution of oil. 
     SUBSTANCE: proposed oil storage method includes creation of liquid substance in bottom part of reservoir, limited by calming layer, having density higher than that of stored oil and not forming stable emulsion with oil, for example, water, containing surfactants, filling of remaining space in reservoir with oil. During oil storage, mixing mode is periodically initiated in zone of liquid environment, and suspension of water solution of surfactants and precipitated hard particles is drained when given amount of bottom precipitation is produced, while fresh liquid substance is fed into bottom part of reservoir until reaching given volume of liquid environment zone, or liquid environment subjected to phase separation may be returned as alternative, after its output from reservoir in mixture. Also proposed is device for oil storage. 
     EFFECT: increased efficiency when cleaning reservoir from bottom precipitations during oil storage, increased oil storage efficiency. 
     2 cl, 2 dwg, 1 ex, 1 tbl
Patent RU-2292404-C1 (RU)
Title: Strip making method for producing tubes
Inventor: SKOROKHVATOV NIKOLAJ BORISOVIC
IPC: C22C38/44
Filed: 2005-07-15
Granted: 2007-01-27
Abstract: FIELD: metallurgy, namely manufacture of strips of low alloy steel in continuous wide strip rolling mills for producing electrically welded tubes designed for building oil- and gas pipelines operating in Far North regions. 
     SUBSTANCE: method is realized by using steel of next  chemical composition, mass %: carbon, 0.05 - 0.09; silicon, 0.15 - 0.40; manganese, 1.0 - 1.4; aluminum, 0.01 - 0.06; titanium, 0.01 - 0.04; vanadium, 0.01 - 0.04; niobium, 0.02 - 0.06; molybdenum, 0.01 or less; chrome, 0.10 or less; nickel, 0.10; copper, 0.10; phosphorus, 0.015 or less; sulfur, 0.006 or less; calcium, 0.005 or less; nitrogen, 0.010 or less; iron, the balance. Content of elements in steel satisfies relation: C +Mn/6 +(Cr + Mo + V + Ti + Nb)/5 + (Ni + Cu)/15 = 0.40 or less. Slabs are heated up to temperature 1200 -1280°C; temperature of rolling process termination is sustained in range 830 - 880°C and coiling process temperature is sustained in range 540 - 580°C. 
     EFFECT: enhanced viscous properties of steel strips at negative temperatures, high welding capability and ductility of steel strips. 
     3 ex, 3 tbl
Patent RU-2296078-C1 (RU)
Title: Tank-borne party ferry
Inventor: BELJAKOV VLADIMIR FEDOROVICH
IPC: B63B35/54
Filed: 2005-07-20
Granted: 2007-03-27
Abstract: FIELD: bridge crossing equipment; self-propelled ferries; crossing of heavy equipment through river barriers. 
     SUBSTANCE: proposed ferry is self-propelled in water and may be transported by land in form of stack and launched into water by means of specialized vehicle. Ferry is provided with deployment mechanisms which are articulated together and are equipped with roadway built in decks, central propulsion pontoon and side hinged pontoons whose roadways are inclined relative to horizontal deck forming recesses for stowage of ramps. Hull of each pontoon has at least two frame rings interconnected by means of stringers, thus forming solid load-bearing skeleton, frame rings located symmetrically relative to roadway and formed by bottom beams and  deck horizontal beams and  rigidly connected with them by means of side pillars provided on both sides of propulsion pontoon and on one adjacent side of each side hinged pontoon. Pillars of opposite sides of propulsion pontoon have different height for placing the side pontoons at different levels in stowing them in three-tier stack. Upper parts of pillars extending over deck are provided with hinges connecting the propulsion pontoon hull with hulls of side hinged pontoons; wall of each pillar has transversal stiffeners mounted under deck and connected by means of plate for forming box-shaped compartments imparting additional rigidity to frame rings; they are used for articulated mounting of hydraulic cylinders of pontoon deployment mechanism. Outer sides of side pontoons are provided with cavities above bottom stringers for placing the hydraulic cylinders of pontoon deployment mechanisms. Made along propulsion pontoon bottom are guides projecting beyond bottom plane, thus forming additional rigidity; they are used for interaction with roller units of the specialized vehicle in loading the pontoon and launching it into water. 
     EFFECT: enhanced reliability of ferry. 
     5 cl, 9 dwg