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Russian patents in English sorted by IPC

A - HUMAN NECESSITIES
(97775)
B - PERFORMING OPERATIONS; TRANSPORTING
(59279)
C - CHEMISTRY; METALLURGY
(61169)
D - TEXTILES; PAPER
(3358)
E - FIXED CONSTRUCTIONS
(20915)
F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
(37030)
G - PHYSICS
(46625)
H - ELECTRICITY
(30978)
Method of steam turbine set operation

Method of steam turbine set operation

Proposed invention relates to the field of heat power engineering, related to steam turbine sets, in particular, included into steam gas plants, with steam reheating by means of a thermal electric heater. The method of operation of the steam turbine set includes steam reheating by means of a thermal electric heater (2), supplied from a power generating wind-driven power plant (3), and subsequent expansion of steam in a turbine (4). The thermal electric heater (2) is switched to supply from a reserve power supply source (6) with reduction of wind-driven power plant (3) capacity to 10% level of exceeded capacity of the thermal electric heater (2). The reserve source of power supply (6) prior to switching to power supply of the thermal electric heater (2) is switched to ballast load. The reserve source of power supply (6) is represented by accumulators of power or power plants on organic fuel.

Method for therapy of pulmonary diseases

Method for therapy of pulmonary diseases

Group of inventions refers to medicine, particularly to treating bronchopulmonary dysplasia. A method involves administering an effective amount of citrulline into the patient. What is also presented is a pharmaceutical composition applicable for intravenous administration, containing a pharmaceutically acceptable carrier and an amount of citrulline effective for increasing blood plasma citrulline. The level is measured by comparing plasma citrulline in the patient under treatment to that in the patient having no bronchopulmonary dysplasia. The given composition is presented for producing a preparation for injections.

Overlap resistant and/or multilayer therapeutic onlay

Overlap resistant and/or multilayer therapeutic onlay

Invention refers to medical equipment, namely to heat treatment devices. A therapeutic onlay for the heat treatment of a human or animal's part of the body comprises two layers forming a fluid connection; the fluid connection comprises an inner connecting passages delimited by lines of inside welds and welding spots, a fluid inlet and outlet configured to connect the fluid connection to an outer fluid tank. An overlapping unit inside each inner connecting passage is configured to prevent a contact between the two layers and the fluid outflow from the onlay. Two outer layers are made of the same material with two outer layers surrounding the fluid canal formed by the two layers. The outer layers are welded to form the fluid canal; the overlapping unit is welded together with the two outer layers.

Submerged branch pipe for vacuumiser

Submerged branch pipe for vacuumiser

Invention relates to metallurgical equipment and can be used at the metallurgical enterprises during tapped-metal degassing. The submerged branch pipe contains metal structure lined by refractory rings and refractory concrete. The bottom refinery ring is made with l-shape, and branch pipe is equipped with support metal ring secured under the specified bottom refractory ring, and between internal surface of the metal structure and external surface of the refractory rings including the specified bottom refinery ring a buffer layer compensating the thermal expansion is located.

Thermodiffusion zinc coating

Thermodiffusion zinc coating of steel parts includes loading into a sealed rotating reactor steel parts and saturating mixture consisting of inert support, activator and 30 - 60 wt % of fine-grained zinc powder in quantity to weight of the loaded parts, heating of the reactor with parts and saturating mixture, withholding at 360-380°C in inert atmosphere and subsequent cooling down up to temperature of 20-36°C. Fine-grained powder is used with grain size of 4-60 mcm in quantity of 0.05-0.18 kg per 1m2 of the coated surface of steel parts. Saturating mixture is loaded to the reactor in quantity of 40 - 100 wt % to the weight of parts while inert support is used with grain size of 60-140 mcm.

Electromagnetic device intended for stabilised position of strip made of ferromagnetic material, reduced deformation of above strip and respective method

Electromagnetic device intended for stabilised position of strip made of ferromagnetic material, reduced deformation of above strip and respective method

Invention is referred to a device intended for the stabilisation of the position of a strip made of a ferromagnetic material in the process of application of a coating on it. The electromagnetic device comprises the first electromagnets and the second electromagnets mirroring the first electromagnets in regard to a line (50) of the strip passing (4). Each electromagnet has a core containing one pole and one coil supplied by current and wound around the above pole. The device also comprises a connecting element (26) made of a ferromagnetic material, which connects cores of the first electromagnets (15, 15', 15", 15'"), and a connecting element (26') made of a ferromagnetic material, which connects cores of the second electromagnets (16, 16', 16", 16'"). The connecting elements (26, 26') are mirroring in regard to the line (50) of the strip passing (4).

Aluminium-based deformable alloy for braze structures

Aluminium-based deformable alloy for braze structures

Invention relates to the aluminium-based deformable alloys intended for use in braze structures. An aluminium-based deformable alloy for braze structures contains, wt %: zinc 3.4-5.0, magnesium 1.0-2.5, manganese 0.2-0.9, chrome 0.1-1.0, zirconium 0.1-1.0, copper up to 0.5, beryllium 0.0001-0.01, hafnium - 0.1-1.5, titanium 0.1-1.0, vanadium - 0.1-1.0, aluminium - the rest. The tendency to recrystallisation decreases and the fine-grained structure remains after processing in the brazing mode at the temperature close to solidus.

Multistage drawing of axially symmetric part from sheet blank at simple-action presses or multiposition automatic press

Multistage drawing of axially symmetric part from sheet blank at simple-action presses or multiposition automatic press

Invention relates to drawing of axially symmetric parts from sheet blanks. Semis are drawn at dies in job-by-job manner, first, at bottom mating that of axially symmetric part to extreme depth and with conical wall. Further jobs include configuring to the shape of axially symmetric part. At final job of drawing, semi-finished product results with wall, shape and sizes corresponding to those of box part with trimming allowances.

Method of fusion welding of steel structures and device for its implementation

Method of fusion welding of steel structures and device for its implementation

Invention relates to the machine building, and can be used during the fusion welding of the complex steel structures. Under the suggested method the welding is combined with heat treatment with use for this of the heating element in form of the ceramic pad-heated connected via the current switch to the welding power source. Besides, the device contains the electronic and bypass switches, programmable regulator, and thermoelectric converter located on the welded structures.

Method and device to produce shell from two materials and produced shell

Method and device to produce shell from two materials and produced shell

Invention relates to the field of metallurgy and may be used to manufacture a bimetallic shell made of circular external and internal shells. On a casting base (1) with inlet (4, 11) and outlet channels (5, 6, 12, 13) there are two moulds installed to form two casting spaces. The first casting space (7) is limited by the upper side of the base, the internal wall (3) of the first mould and the external wall (8) of the second mould. The second one - by the upper side of the base, the external wall (8) of the second mould and the internal wall (9) of the second mould. Liquid metal is poured by a siphon method in one of the casting spaces (7, 10). The external wall (8) of the second mould is raised to open the first shell metal crust hardened on it. The liquid metal is poured by the siphon method in another casting space. External and internal shells are connected by diffusion welding or joint hardening of forming materials.

Device and method for pre-heating of metal charge for smelting unit

Device and method for pre-heating of metal charge for smelting unit

Invention relates to metallurgy, namely to the pre-heating and supply of a metal charge to a receiver of a smelting unit. The device includes at least a supply passage made so that the metal charge can be moved along it and supplied to the receiver. Above the supply passage there located is at least a cap restricting a tunnel, having a possibility of moving inside it of at least a part of flue gases leaving the above receiver. At least some section of the cap includes an expansion system located above at least some part of the metal charge and having a possibility of provision of expansion and retention of the flue gases inside it during the minimum required time comprising at least 1.5 seconds till the flue gases contact the above said metal charge.

Shear die for parts cutting from thick-wall rubber

Shear die for parts cutting from thick-wall rubber

Invention relates to machine building, particularly to production of assembly units and part made of thick rubber, over 20 mm, of various shape, and can be used in production of rocket engines. Shear die comprises plate with cutting element secured thereat composed of cutter unit, pusher to drive extractor for removal of cut parts and wastes. Note here that shear die is provided with extra lower side blade unit for cutting of parts from both sides arranged on mating side of upper blade unit. Two stiff thrust incorporated with said die guarantees the clearance which rules out contact between blade cutting edges to contact solely with rubber material. Blade sharpening angle is defined by claimed formula.

Pouring gate system with sump-insert

Pouring gate system with sump-insert

Pouring gate system contains pouring basin, riser, sump, slug catcher with feeders, throttle and sump-insert. The sump-insert is made out of rods and is arranged under vertical riser in bottom half-mould. The sump-insert gas U shape and contains central and side parts. In the central part of the sump-insert the sump is made, at both sides of the sump on here internal surfaces of the sump-insert two throttles are installed. The throttles have shape of triangular prisms and act as stress concentrators. Side parts of the sump-insert are part of the slug catcher. The vertical riser is located at centre of the mould above the slug catcher located at both sides of the vertical riser symmetrically to its axis.

Complex reagent for processing of steam-and-water path of power units of heat power plants

Complex reagent for processing of steam-and-water path of power units of heat power plants

Invention can be used for maintaining in heat power plants of optimum water and chemical mode (WCM) of the steam-and-water path, execution of wet cleaning and preservation in fuel firing power units and steam-gas power stations with providing in the set limits of the size pH of the working medium and creation on walls of thermal surfaces of protective magnetito-amine anticorrosive film. The complex reagent contains, wt %: monoethanol amine 19.0 - 21.0; morpholinium 7.0 - 8.0; cyclohexylamine 3.0 - 5.0; 1,3-oleyl propane diamine 2.0 - 3.0; ethoxylated fat alkylamines 0.5 - 1.5 and water - the rest up to 100%.

High-strength cold-rolled sheet steel and method of its production

High-strength cold-rolled sheet steel and method of its production

Steel plate is produced with definite chemical composition and microstructure including in vol %: ferritic phase from 40% to 60%, beinite phase from 10% to 30%, tempered martensite phase from 20% to 40%, and residual austenite phase from 5% to 20%. Complies with the condition when fraction of the tempered martensite phase with main axis length ≤ 5 mcm in relation to total volume fraction of the tempered martensite phase is from 80% to 100%. During the plate production hot rolling, pickling, first annealing at temperature range from 350°C to 650°C, cold rolling, second annealing at temperature range from 820°C to 900°C, third annealing at temperature range from 720°C to 800°C, cooling with rate from 10°C/s to 80°C/s to holding temperature from 300°C to 500°C are performed. Holding time at temperature in the specified range is from 100 s to 1000 s, and fourth annealing at temperature range from 100°C to 300°C is performed.

Titanium alloy

Titanium alloy

Titanium alloy contains, wt %: platinum metal 0.01-0.15, rare-earth metal 0.001-0.10 and Ti and impurity - the rest. The titanium alloy preferably includes Co as partial replacement of Ti amounting 0.05-1.00 wt %.

Structure for prevention of safety element fastener fallout in cutter

Structure for prevention of safety element fastener fallout in cutter

Invention relates to metal cutting. Cutting is performed by motor-drive disc saw, drive motor being mounted at the cutter body casing. Cutter comprises structure designed to prevent saw disc safety element fastener fallout, said fastener intended for locking the saw disc element relative to cutter body casing. Saw disc mount portion locating said saw relative to spindle is designed to output motor drive power and is protected by safety element. Safety element is retained by body casing so that said safety element displaces between protective position for disc saw mount portion protection and open position for opening of mount portion and is locked thereat by appropriate retainer. Said retainer is provided with element for prevention of retainer fallout from cutter body casing.

Thermal processing of metal strip and metal strip thus produced

Thermal processing of metal strip and metal strip thus produced

Invention relates to metallurgy, particularly, to production of metal strip with mechanical properties varying over strip width. The strip is heated, cooled and overaged at continuous annealing. Note here that at least one of the following parameters varies over the strip width: heating rate, maximum temperature, holding duration at maximum temperature and cooling trajectory after maximum temperature. Note here that at least one of the following parameters varies over the strip width at overaging: rate of heating to maximum temperature, duration of holding at maximum temperature, cooling trajectory after maximum temperature, overaging temperature, duration of holding at overaging temperature, minimum temperature before reaging and rate of heating to reaging temperature. Note here that at least one cooling trajectory follows the nonlinear temperature-time curve.

Ceramic mass for production of facing tile

Invention relates to production of building materials and can be applied in production of ceramic tile for internal and external facing works. Ceramic mass includes the following components, wt %: wastes from copper-nickel ore enrichment 44.6-50.4, fluxing additive - broken glass 34.6-44.6 and chalk 10.3-15.0. Wastes from copper-nickel ore processing have composition, wt %: chlorite, hydrochlorite 55.2-58.3, serpentine minerals 11.2-14.7, talc 11.0-13.8, titanium-ilmenite, magnetite, chromite 7.2-8.0, gypsum 2.0-2.1, albite 2.0-2.3, quartz 2.0-2.2, pyroxenes 1.0-1.6, amphiboles 4.1-5.1, calcium and magnesium carbonates 0.1-4.0.

Template cementing method

Template cementing method includes making of holes in the template above its shoe and injecting of cement mortar through the above openings. At the well mouth a space between the template and the production casing is sealed. The openings in the template are made by the simultaneous perforation of the production casing and the template through the production casing. Then the production casing is isolated in the interval downstream the template bottom, through the perforated openings and annular space of the template the cement mortar is injected and an isolation point of the production casing is drilled out. During the heat generation at hardening of the cement mortar injected to the annular space of the template temperature logging is made for the production string, the thermogram is analysed and intervals with increased values of temperature are marked as cemented intervals.

Well drilling method

Method includes the rotation and axial delivery of an assembly with a bit and supply of a flushing fluid through an inner cavity of the assembly to the bottomhole, in the flushing fluid loss zone the transfer of the fluid supply to an annular space over the downhole motor through the cross-over shoe by its activating. At the transfer of the fluid supply in the flushing fluid loss zone the isolating compound is supplied at a pressure of 2-6 MPa, flow rate of 8-12 l/s in a volume of 10-30 m3, upstream the injection volume drilling mud is placed, the assembly is put up to the drilling mud zone, pressure up to 3 MPa is generated in the annular space, the isolating compound is flushed to the loss zone in the full volume, the process is withhold until the isolating compound is set and hardened, the cross-over shoe is deactivated, circulation is restored and injection capacity is defined. If the injection capacity is less than 2 m3/h the drilling process is renewed.

Drill bit for hard rocks, drilling rig and percussion drilling of hard rocks

Drill bit for hard rocks, drilling rig and percussion drilling of hard rocks

Set of inventions relates to percussion drilling of rocks. Drill bit comprises head to be secured at drilling rig drill element end in diameter larger than that of said drill element. Drill bit front end is shaped to truncated cone composed by the ring extending over the perimeter. Said ring is equipped with multiple gage teeth spaced apart over ring length for contact with material to be destructed. Central flushing channel extending the drill bit head has at least one flushing bore exposed at front end for feed of flushing medium to front end. At least one peripheral flushing bore extends from at least one flushing opening in said ring. Said flushing channel comprises section terminated at peripheral flushing bore and directed to force flushing medium to the spot on material in contact with gage tooth during the next percussion of drill bit. Note here that flushing fluid is directed to the shaft drilled in tocks. Note here that at least two peripheral flushing bores open in said ring.

Method and device for protection of tension wire end

Method and device for protection of tension wire end

To protect the end of wire containing set of cables holding individually in system of the anchor securing the device contains skirt passing from face of the anchor securing system and located around the cables set, and multiple cases. The cables have appropriate end parts that project from the face of the anchor securing system, and that are individually inserted in cases, at that the cases are closed from outside of the ends. Connection between the skirt and cases closes the chamber limited by the face of the anchor securing system, skirt and cases. This chamber volume is filled by filler.

Non-fired heat-insulating material on basis of bergmeal of sukholozhsky field of sverdlovsk oblast

Non-fired heat-insulating material on basis of bergmeal of sukholozhsky field of sverdlovsk oblast

Non-fired heat-insulating material made from the mix comprising a binder, PB-2000 frother and water where the binder of the mix is the suspension obtained by mixing of the bergmeal ground to the specific surface 2000 m2/g, 40% solution of caustic soda and water in a weight ratio 1:1.34:3.10, holding at 95°C within 4 h and cooling, and in addition - sodium silicofluoride and microsilica at the following ratio of components, wt %: the named suspension 68.0-74.0, sodium silicofluoride 5.2-6.0, PB-2000 frother 0.38-0.42, microsilica 3.6-4.8, water - the rest.

Heat-insulating constructional material based on magnesite- carnallite binder

Composite material contains the following ratio of components, wt %: magnesite-carnallite binder 56-62, pearlite 18-24, water 19.65-19.75, PB-2000 frother 0.25-0.35.

Method for heap leaching of gold from ores

Invention relates to a technique of heap leaching of precious metals, for example gold, from ores, and can be used at development of deposits of refractory ores. A method for heap leaching of gold from ores involves ore crushing, formation of piles from crushed ore, leaching of gold by supplying a solution of a reagent to the pile till reduction of content of gold in productive solutions below a process limit, drilling of wells, arrangement of explosives in them, blast firing, additional leaching of mineral mass, collection of productive solutions with further extraction from productive solutions of gold. At well drilling, testing of the mineral mass is performed, as per the results of which outlines of colmatation zones with increased content of slurry and clay fractions are defined; concentrated alkali-cyanide leaching solutions are pumped under pressure to those zones through wells, thus performing diffusion leaching of gold by means of them. After a pause is held, explosive charges placed into ampoules filled with water are arranged in well parts located within the colmatation zones. Blasting of charges is performed, thus loosening the material with simultaneous blasting and injection treatment with a water-and-gas mixture formed at blasting of charges; after that, additional leaching of mineral mass is performed by sprinkling the whole pile with a weak alkali-cyanide solution.

Control unit and produced fluid flow meter for multipay well (versions)

Control unit and produced fluid flow meter for multipay well (versions)

Group of inventions is referred to versions of a control unit and a produced fluid flow meter for a multipay well. According to the first version the unit comprises a body limited from bellow by a docking device with channels for formation fluid flows and from above by a docking device with adjustable valves installed on it in the quantity equal to that of operated formations. In the body there are interconnected cups, which are coupled hermetically by their hollow butt end to the upper docking device, and cylinders installed by the opposite end in the respective channels of the lower docking device thus forming a tubular annulus and to detached longitudinal channels intended for fluid flows from the respective formations at the wellhead. In the cups there is a crossover seat with radial channels in the cup wall along both sides of the seat. Below the crossover seat from the side of the cup end there are radial channels. Above the crossover seat there is a needle valve made as a slide; at the latter there is a gasket, which facilitates the sealed movement of the needle valve in the cup from an electric drive placed in the sealed part of the cup and fixed in the docking device transferring reciprocal motion to the needle valve in regard to the crossover seat. Electric drives of the needle valves are equipped with devices measuring linear movements of the needle valve with Hall sensors. In the longitudinal channels of the cylinders there are instruments coupled functionally by a cable to a telemetry unit and/or well power supply and/or control point placed in the cup wall so that it may transmit control commands to adjustment valves and data on process parameters of the fluid in the well formations through a cable connector. In the second version of the unit in the cup below the crossover seat there is a channel axial to the crossover seat connecting the longitudinal channel to the tubular annulus and the instruments are placed in the wall of each cylinder and interconnected by a cable in the tubular annulus.

Method of determination of coal mass gas content in zone of its destruction

Method of determination of coal mass gas content in zone of its destruction

Invention relates to mining, mainly to coal industry. Method is suggested to determine gas content of the coal mass in zone of its destruction, including the shift-based working hours of the coal production cut face, course treatment by the longitudinal straps, measurement of intensity of gas evolution from the treated course per the production shift, and determination of the index of intensity rise of the gas evolution to the face space of the longwall face during the coal destruction. At that the intensity of gas evolution from the course is measured during removal of the first and second coal straps after the repair shift, at that the gas content of the coal mass in the zone of its destruction is determined as per the provided mathematical expression.

Method for increasing concentration of components recovered from rock slurry by magnetic method and recovering these low-loss components from magnetic separator

Method for increasing concentration of components recovered from rock slurry by magnetic method and recovering these low-loss components from magnetic separator

Invention refers to a method for recovering magnetic components from an aqueous dispersion containing magnetic and non-magnetic components. A method for recovering agglomerates from valuable ore and at least one magnetic particle as magnetic components from the water dispersion containing these magnetic components, and the waste ore as the non-magnetic components by the water dispersion through a reactor space, wherein the water dispersion by at least one magnet mounted on an outer side of the reactor space, divided in at least one flow I containing the magnetic components, and at least one flow II containing the non-magnetic components. At least one magnet is flexibly mounted on an outer side of the reactor space, or at least one magnet is rigidly mounted, whereas the generated magnetic field is movable, and the magnetic components in flow I are processed with a wash flow so that flow I is re-distributed by the wash flow, and the non-magnetic components with a portion of the wash flow are delivered back to the water dispersion. The presented method is implemented by means of the reactor comprising the reactor space, at least one magnet mounted on the outer side of the reactor space, at least one feed line and at least one vent line for flow I, at least one vent line for flow II and at least one device for processing flow I with the wash flow.

Method for transverse relocation of bridge superstructure for extended collar beam

Method for transverse relocation of bridge superstructure for extended collar beam

First, a collar beam is extended on both sides of supports. After that, the lower flange of the existing structure is reinforced and lifted and rollers are installed under the lower flange. Then, jacks are installed and the existing superstructure is relocated with jacks in transverse direction of bridge supports. After that, rollers are removed and traffic flow is arranged on the relocated existing superstructure. After that, on the free part of the supports with the extended collar beam, near the relocated existing superstructure there installed is a block of the main beam of the first part of a new superstructure; then, the next block is installed, and blocks of the first part of the new superstructure are combined. After that, a cantilever orthotropic plate is installed and the first part of the new superstructure is provided with road pavement. Then, traffic flow is shifted to the first part of the new superstructure. After that, the existing superstructure is removed. Removal of the existing superstructure is performed at several stages: first, cantilevers are removed; after that, reinforced-concrete slabs are cut and removed; then, each beam is removed separately. In the place of the removed existing superstructure there installed is the block of the main beam of the second part of the new superstructure; then, the next block is installed, and blocks of the second part of the new superstructure are combined; after that, a cantilever orthotropic plate is installed. The first part of the new superstructure is combined with the second part of the new superstructure with a reinforced-concrete slab and provided with road pavement and enclosures.

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