Petrov, RU
Aleksandr Mikhaylovich Petrov, Krasnoyarsk RU
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20150191839 | DEVICE FOR THE DOSED FEEDING OF RAW MATERIAL INTO AN ALUMINIUM REDUCTION CELL - The invention relates to a device for the metered feeding of stock into an aluminium electrolyser. The device comprises a hopper for the material to be metered, a metering chamber with a rod having a pneumatic drive, an upper shut-off element which is rigidly fixed on the rod in the upper part of the metering chamber and is in the form of a valve, a lower shut-off element which is fixed on the end of the rod and is in the form of a cone valve with a conical cover, and charging apertures which are arranged around the perimeter in the upper part of the dosing chamber above the base of the hopper. The upper limits of the charging apertures are arranged above the upper position of the valve, and the distance from the base of the cone valve to the lower section of the metering chamber in an upper position of the rod is not less than the distance from the lower surface of the upper shut-off element to the lower limit of the charging apertures. An increase in the reliability of the device and in the metering accuracy is ensured, and, accordingly, the technological characteristics of the operation of the electrolyser are improved. | 07-09-2015 |
Aleksandr Vladimirovich Petrov, St. Petersburg RU
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20150068956 | METHOD AND APPARATUS FOR SEPARATION OF MOLYBDENITE FROM PYRITE CONTAINING COPPER-MOLYBDENUM ORES - A method and an apparatus for the separation of the mineral components of a pyrite containing copper-molybdenum ore by flotation. The method comprises grinding the ore in the presence of soda ash in an open circuit to produce an aqueous ore slurry; subjecting the slurry to a collective flash flotation step ( | 03-12-2015 |
20150096926 | METHOD AND APPARATUS FOR CONTROLLING THE FLOTATION PROCESS OF PYRITE-CONTAINING SULPHIDE ORES - Method and apparatus for controlling the flotation process of sulphide ores including separation of sulphide minerals from pyrite in an alkaline environment created by lime. The method comprises measuring the molybdenum electrode potential of an aqueous slurry of the ore and adjusting the addition of lime based on the measured molybdenum electrode potential to maintain the molybdenum electrode potential of the slurry in a preselected range. The apparatus comprises means ( | 04-09-2015 |
Aleksei Igorevich Petrov, Moscow RU
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20140328706 | Mainline Electric Oil Pump Assembly and Method for Assembling Same - The mainline electric oil pump assembly relates to the field of assemblies for pumping oil in main oil pipelines. The aim of the present invention is to create a mainline electric oil pump assembly with improved technical and economic characteristics, reduced noise and vibrations, and increased reliability, service life and performance. The main distinguishing features of the proposed assembly which contribute to the achievement of the aforementioned aim are: the non-splined, zero-backlash seating of the impeller on a smooth shaft, the use of roller bearings seated in a non-splined, zero-backlash fashion on the smooth shaft, the use of mechanical seals seated in a non-splined, zero-backlash fashion on the smooth shaft, the use of self-correcting adjustable spherical supports under the supporting feet of the pump, and the boring of the seating surfaces of the pump housing for the rotor in a single set-up operation. | 11-06-2014 |
Alexander Arkadevich Petrov, St. Petersburg RU
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20150136009 | EQUIPMENT AND METHODS FOR OPERATING GEOPHYSICAL BOTTOM STATIONS - An equipment complex for deploying and recovering marine geophysical seismic or electric-survey bottom stations is mounted on a ship. The complex includes—a powered capstan, —rotatable turntables and rolls, —load-bearing units connected to the bottom stations by various fasten means and capable of winding onto the capstan and turntables, a work platform supporting a bottom station placed thereon, —an indicator for registration of the bottom stations' coordinates, mounted on the platform, —a limit switch mounted on the platform, switching ON when the bottom station is placed on the work platform, and OFF when it's removed therefrom providing for operation of the indicator. The complex may include floating buoys, damping loads, and halyards for deploying the stations. Methods for deploying and recovering the bottom stations using the equipment complex are described. Some recovering methods contemplate winding the load-bearing units onto the capstan, while switching the turntables for each subsequent load-bearing unit. | 05-21-2015 |
Alexander Arkad'Evich Petrov, Saint Petersburg RU
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20100226205 | Method for marine electrical survey of oil-and-gas deposits - A method for survey of hydrocarbon deposits in a researched profile of sea-bottom comprises providing a generator generating pulse electric current with a generator frequency in a towable generator line exciting electric field signals measured by sea-bottom stations synchronized with the generator, forming space-domain data arrays for the generator frequency and for higher odd harmonics frequencies nearest thereto, forming time-domain data arrays for selected offsets, inversion of the time-domain and space-domain data, and determining a bottom strata resistivity and polarization characteristics for the researched profile, based the inversion's results. The inversion preferably encompasses synchronizing and adjusting the generator line and electric field signals, dividing them into a frequency branch, including a fast Fourier transform and a robust summation producing the space-domain arrays, and a time-domain branch, including a robust summation producing the time-domain arrays. Embodiments include transient field analysis with spatial derivatives, special towing configurations, generator line types choices, etc. | 09-09-2010 |
Alexandr Arkadevich Petrov, St. Petersburg RU
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20090085569 | Method and Device for Sea Electrical Survey of Oil-and-Gas Deposits - A sea electrical survey method for carbohydrates deposits, situated under seabed not exceeding 10 meters of depth, is disclosed, comprising: providing a plurality of multi-channel bottom systems with receiving lines having at least three electrodes and capable to register electromagnetic signals, excitation means generating a series of alternating-sign pulses controlled by a computer a horizontally positioned dipole, synchronizing the excitation means and bottom systems, submerging the systems upon the seabed along a predetermined direction, aligning the receiving lines, moving the dipole within the survey zone, excitation of the pulses, registering signals measuring the potentials difference and the spatial derivatives of the signals during the pulses and the pauses, recording data, analyzing the data with accounting the fields behavior in time and in space simultaneously, determining the environment resistivity and environment polarizability based on a predetermined mathematical model, and compiling the deposit prognosis. Preferable distance, time, and angular parameters are specified. | 04-02-2009 |
20090262031 | Generator device for marine geophysical research - The generator device is proposed for seabed survey, comprising a generator line, including electrodes, a hoist, hydraulic pump, air compressor, and at least one hose joined to the generator line, situated optionally inside or outside the line. The hose includes a through hydro-channel therein, a stationary end connected to the pump or alternatively to the compressor, and a running end furnished with a discharge valve. Connecting to the compressor ensures positive floatation of the generator line, whereas connecting to the pump ensures negative floatation thereof. In preferred embodiments, the device comprises a hydraulic clutch and a faucet. The hose communicates with the pump and compressor through the clutch and faucet, ensuring alternative communication of the hose's hydro-channel with water or air for filling thereof. The generator line comprises a dipole including one power braiding, and an initial part including two power braidings, the braidings are connected to the electrodes. | 10-22-2009 |
Alexandr Arkadyevich Petrov, Snkt-Peterburg RU
Evgueni S. Petrov, Novosibirsk RU
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20140181168 | METHOD AND APPARATUS FOR REDUCED MEMORY FOOTPRINT FAST FOURIER TRANSFORMS - Generally, this disclosure describes a method and apparatus for reduced memory footprint fast Fourier transforms (FFTs). An apparatus may include intermediate factor circuitry configured to generate an intermediate factors vector including a number of intermediate factors in response to a request to generate an FFT of an N-point input data set, N composite, wherein N is equal to a product of a number of nonunity integer factors, the number of intermediate factors is related to the nonunity integer factors of N and the number of intermediate factors is less than N. The apparatus may include intermediate result circuitry configured to reconstruct a subset of twiddle factors based at least in part on an element by element product of a first subset of the intermediate factors vector and a complex conjugate of a second subset of the intermediate factors vector, wherein the twiddle factors are complex roots of unity. | 06-26-2014 |
Igor Petrov, Moscow RU
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20150150003 | METHOD FOR TARGETED RESOURCE VIRTUALIZATION IN CONTAINERS - A method and computer program product for targeted container virtualization, where only separate components of a computer system or a server are virtualized. The OS kernel and other server resources are not virtualized. Only selected components—applications or resources are targeted for virtualization instead of virtualization of the entire system. Targeted virtualization provides for more flexible container isolation from each other and from a host node. This, in turn, provides for optimized more flexible cloud infrastructure. Each element within a container virtualization model is optional in terms of virtualization. The element's virtualization option can be turned on and off by an administrator or by a client who owns the container. | 05-28-2015 |
Igor Leonidovich Petrov, Chelyabinsk RU
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20100069567 | Nanodiamond material, method and device for purifying and modifying a nanodiamond - Nanodiamond material containing carbon, hydrogen, nitrogen and oxygen characterized by the absence of sp | 03-18-2010 |
20130121909 | NANODIAMOND MATERIAL, METHOD AND DEVICE FOR PURIFYING AND MODIFYING A NANODIAMOND - A method of purification and modification of carbon nanoproduct involves forcing a mixture of the dehydrated air or oxygen or ozone or any combination thereof through the carbon nanoproduct under pressure up to 0.8 MPa accompanied by mixing of the carbon nanoproduct and heating in the temperature range from +20 to +550° C. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract. | 05-16-2013 |
Jurij I. Petrov, Dzerzhinskij RU
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20120298092 | METHOD FOR PRODUCING GEMSTONES FROM SILICON CARBIDE - A method of producing gemstones from silicon carbide comprises growing simultaneously a plurality of moissanite crystal blanks in a graphite mold, splitting up the blanks into individual crystals, and faceting same. The plurality of grown blanks can be subjected to annealing to facilitate splitting. Faceting can comprise rough cutting, grinding and polishing. Prior to faceting, the blanks are attached to a mandrel with one side thereof. After faceting, the blanks are attached to a mandrel with their reverse side, and faceting is repeated. It is ensured that the depth of scratches be less than the length of a light wave in the visible part of the spectrum. The cut and cleaved edges and defective blanks unsuitable for faceting are pulverized and returned to the stage of growing. | 11-29-2012 |
Kirill Victorovich Petrov, St. Petersburg RU
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20110022979 | FIELD DEVICE CONFIGURATION SYSTEM - A system to configure a field device of the type used to calculate a flow of a process fluid. The system includes a flow repository comprising a list of process fluids with which the field device can be used, fluid equation data which provides information related to fluid equations for calculating fluid parameters of the process fluid, a list of primary elements, and primary element equation data which provides information related to primary element equations and fluid equations for calculating flow of the process fluid. The flow application is adapted to retrieve data from the flow repository and to generate information which is used by field device to calculate the flow of the process fluid. | 01-27-2011 |
Nikolay Petrov, Moscow RU
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20140240991 | ULTRA SLIM COLLIMATOR FOR LIGHT EMITTING DIODE - Systems and devices for collimating beams of light emitted by a light emitting diode are disclosed. In one embodiment, an optical device comprises a bowl shaped reflector base, a light emitting diode (LED) physically attached to the bowl shaped reflector base, a central reflector in a shape of a hyperbolic cone formed above the LED about a center of the bowl shaped reflector base, and a transparent plate formed around a base of the hyperbolic cone. In the embodiment, the central reflector in the shape of the hyperbolic cone is configured to reflect a portion of light emitted from the LED to an outer edge of the bowl shaped reflector base which in turn substantially reflect the portion of light via the transparent plate almost parallel to an optical axis of the LED. | 08-28-2014 |
Nikolay Andreevich Petrov, Nizhny Novgorod RU
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20150177944 | CAPTURING OBJECTS IN EDITABLE FORMAT USING GESTURES - Embodiments of methods, systems, and storage medium associated with capturing, with a user device, at least a portion of an object based on a user gesture indicating a command are disclosed herein. In one instance, the method may include identifying a gesture associated with an object of interest external to the user device; capturing an image of at least a portion of the object of interest based on a result of the identifying the gesture; and providing the portion of the object in an editable format based on the image. Other embodiments may be described and/or claimed. | 06-25-2015 |
Sergey Petrov, Vladivostok RU
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20080253576 | METHOD AND APPARATUS FOR ENCODING AND DECODING STEREO SIGNAL AND MULTI-CHANNEL SIGNAL - Provided are a method and apparatus for encoding and decoding a stereo signal or a multi-channel signal. According to the method and apparatus, a stereo signal or a multi-channel signal can be encoded and/or decoded by generating parameters based on a mono signal. | 10-16-2008 |
20080312912 | AUDIO SIGNAL ENCODING/DECODING METHOD AND APPARATUS - Provided is an audio signal encoding method including transforming an input signal from a time domain to a time/frequency domain using a first transformation method, extracting a stereo parameter from a signal of the time/frequency domain, encoding the stereo parameter, and down-mixing the signal of the time/frequency domain, transforming each of sub-bands of the down-mixed signal to a frequency domain by using a second transformation method, and encoding the signal of the frequency domain in the frequency domain. | 12-18-2008 |
20120134501 | METHOD AND APPARATUS FOR ENCODING AND DECODING STEREO SIGNAL AND MULTI-CHANNEL SIGNAL - Provided are a method and apparatus for encoding and decoding a stereo signal or a multi-channel signal. According to the method and apparatus, a stereo signal or a multi-channel signal can be encoded and/or decoded by generating parameters based on a mono signal. | 05-31-2012 |
20140088977 | METHOD AND APPARATUS FOR ENCODING AND DECODING STEREO SIGNAL AND MULTI-CHANNEL SIGNAL - Provided are a method and apparatus for encoding and decoding a stereo signal or a multi-channel signal. According to the method and apparatus, a stereo signal or a multi-channel signal can be encoded and/or decoded by generating parameters based on a mono signal. | 03-27-2014 |
Sergey Petrov, Saint-Petersburg RU
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20140307808 | PROTECTION AGAINST PACKET LOSS DURING TRANSMITTING VIDEO INFORMATION - Methods and systems may provide for using an adaptive entropy encoder to generate a compressed video signal based on an input video signal. Additionally, a compressed state signal can he generated based on the internal state of the adaptive entropy encoder. In one example, the compressed state signal is selectively incorporated into a data stream containing the compressed video signal. | 10-16-2014 |
Sergey E. Petrov, Saint-Petersburg RU
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20150049812 | RECOVERING MOTION VECTORS FROM LOST SPATIAL SCALABILITY LAYERS - Methods and systems may provide for receiving a decoded enhancement layer of a video bitstream, wherein the decoded enhancement layer is associated with a previous layer of the video bitstream, and wherein the previous layer is undecoded due to a packet loss condition with respect to the video bitstream. Additionally, an intermediate motion vector of the previous layer may be estimated, and a target motion vector of the decoded enhancement layer may be estimated based on the intermediate motion vector. In one example, an upsample output gate is maintained in a closed state until the target motion vector has been estimated. | 02-19-2015 |
Valentin Viktorovich Petrov, Moscow RU
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20090012008 | Pharmaceutical Composition for Photodynamic Therapy and a Method for Treating Oncological Diseases by Using Said Composition - The present invention relates to the field of medicine, particularly to oncology and provides a pharmaceutical composition intended for the photodynamic therapy of malignant tumors, comprising a therapeutically effective amount of at least one of derivatives of fullerene C | 01-08-2009 |
Victor Petrov, St. Petersburg RU
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20080317400 | Optical Element and Method for Controlling Its Transfer Function - Area: Optics | 12-25-2008 |
Victor Evgenievich Petrov, Moscow RU
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20110078987 | CENTRIFUGAL SEPARATOR FOR SEPARATING LIQUID PARTICLES FROM A GAS FLOW - A centrifugal separator for separating liquid droplets from a gas flow can be used for scrubbing gases to be emitted into the atmosphere, as well as for separating water, oil and gas condensate droplets from a gas flow in any industry. The separator comprises a cylindrical body with axial gas flow inlet and outlet pipes and separated liquid removal sections located on the end surfaces of the body. A swirler and a central perforated pipe are installed in series and in axial alignment in the body from the gas inlet side. A conical displacer is installed in the perforated central pipe. Separation stage vanes are located between the central pipe and the conical displacer along the entire length of the displacer, and hydraulic seal vanes are placed at the same level between the central pipe and the body. The separator design provides a more efficient separation of liquid droplets from a high-velocity gas flow and can operate in any position. | 04-07-2011 |
Vladmir Ivanovich Petrov, Volgograd RU
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20120251584 | Combination pharmaceutical composition and methods of treating diseases or conditions associated with the cardiovascular system - The present application provides a pharmaceutical composition for administration to a patient suffering from at least one symptom of a cardiovascular condition, the composition comprising a) an activated-potentiated form of an antibody to angiotensin II AT1 receptor, and b) an activated-potentiated form of an antibody to endothelial NO-synthase. | 10-04-2012 |
Yuriy Maksimovich Petrov, Moscow RU
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20150059911 | METAL-CONTAINING POLYMERIC REINFORCED PIPE, METHOD FOR MANUFACTURING SAME AND PIPELINE PRODUCED USING SAID PIPE - The polymeric pipes reinforced with a metal casing are used for transporting oil and gas, acids, alkali products, drinking water and industrial water, and also in the transportation of aggressive and neutral pulps. A metal-containing polymeric reinforced pipe includes a welded metal casing and a polymeric matrix having an amorphous-phase-based molecular structure. The metal-containing polymeric reinforced pipe is produced by extrusion moulding with simultaneous feeding of a polymer melt and the reinforcing metal casing into the mould cavity, followed by intensive cooling of the internal and external surfaces of the pipe being moulded. The invention increases the quality and endurance limit in the radial direction of the metal-containing polymeric reinforced pipe, productivity of the process for manufacturing the pipe, and also the strength and technological effectiveness of a pipeline constructed from the pipes produced. | 03-05-2015 |