Silveira
Alberto Jose Silveira, Joinville BR
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20090314361 | Compressor and Method for Welding a Fluid Tubing to a Compressor Housing and a Fluid-Transport Tubing - The present invention relates to a compressor, a method of welding a fluid tubing to a compressor housing, and a fluid-transport tubing, particularly applicable to an airtight compressor, which provide for the replacement of the brazing step and the direct welding of the fluid-passage tubing to the compressor housing. The airtight compressor comprises a housing ( | 12-24-2009 |
Alexandre Silveira, Sao Jose Dos Pinhais BR
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20090217917 | METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method for controlling an internal combustion engine that is to be operated either by petrol or alcohol or by a variable proportion of the two fuels and that includes an electronic control unit that can drive the engine, an admission line, and an exhaust line that includes a richness probe. The method determines the richness of the carbide mixture entering into the combustion cylinders, and increases the duration of the injection by intervals according to the richness of the carbide mixture. | 09-03-2009 |
Alexandre Barbosa Silveira, Sao Paulo BR
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20160006920 | SYSTEM FOR MOBILE DEVICE WITH DETACHABLE CAMERA AND METHOD OF USE THEREOF - A system which is used to obtain photographs and videos includes at least one mobile device and at least one detachable camera. The camera includes a body of flexible and magnetic polymeric material attached to a non-ferrous metal head which encapsulates the main components that interface with the main device. | 01-07-2016 |
Carlos Silveira, Rio De Janeiro BR
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20080317555 | Subsea System Provided With a Controllable Curvature Flexible Pipe - A curvature limiter for a hydrocarbon transferring subsea system comprising a flexible tubular member through which an intermediate portion of the flexible hydrocarbon pipe passes. The flexible tubular member comprises a plurality of successive substantially cylindrical sections which are hingedly mounted with respect to each other. At a predetermined maximum displacement thereof the tubular member defining a mean plane in such a way that the flexible tubular member forms a mean curvature having the predetermined curvature radius on said mean plane. | 12-25-2008 |
Cesar Augusto Silveira, Londrina BR
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20140075594 | USE OF AT(n) INSERTIONS IN PROMOTER ELEMENTS FOR CONTROLLING THE EXPRESSION LEVELS OF CODING SEQUENCES IN PLANTS - The present invention refers to the use of AT(n) insertions in promoter elements for controlling the expression levels of coding sequences in plants. The expression levels of the heat shock protein (Gmhsp17.6-L), when compared in resistant and susceptible individuals in the population, demonstrated that the largest expression levels per quantitative PCR were present in the individuals that contained the largest AT insertions in the promoter region. The invention also refers to gene expression cassettes containing promoter regions of the gene with different numbers of AT insertions fused to the GUS protein, for transforming soybean embryos. | 03-13-2014 |
Claudia Julia Groposo Silveira, Rio De Janeiro BR
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20110250652 | PROCESS FOR PRODUCTION OF AN ENZYMATIC PREPARATION FOR HYDROLYSIS OF CELLULOSE FROM LIGNOCELLULOSIC RESIDUES AND APPLICATION THEREOF IN THE PRODUCTION OF ETHANOL - The process of the present invention is based on the microbial production of enzymes from the growth of the fungus | 10-13-2011 |
Fernando Silveira, Canoas - Rs BR
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20150274852 | METALLOCENE CATALYST SUPPORTED BY HYBRID SUPPORTING MEANS, PROCESS FOR PRODUCING SAME, POLYMERIZATION PROCESS FOR PRODUCING AN ETHYLENE HOMOPOLYMER OR COPOLYMER WITH BROAD OR BIMODAL MOLAR MASS DISTRIBUTION, USE OF THE SUPPORTED METALLOCENE CATALYST AND ETHYLENE POLYMER WITH BROAD OR BIMODAL MOLAR MASS DISTRIBUTION - The present invention relates to a metallocene catalyst based on a transition metal of group 4 or 5 of the periodic table, supported on a hybrid catalytic support provided with aliphatic organic groups. | 10-01-2015 |
Fernando Silveira, Triunfo BR
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20110178240 | Process in Reactor to Prepare a Hybrid Polymeric Composition, Hybrid Polymeric Composition and Article - The present invention refers to a polymeric composition with hybrid characteristics obtained in a polymerization reactor through the addition of an organometallic compound of Si, Ti, Al, Zr, Hf, Ge, V or Sn, to a growing polymer, during the step of propagation of the polymerization reaction. | 07-21-2011 |
Francisco Plinio Oliveira Silveira, Qintino Cunha BR
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20150279485 | ADVANCED MEMORY TEST DIAGNOSTICS - For performing advanced memory test diagnostics, an apparatus, method, and computer program product are disclosed. The apparatus may include a processor, a memory that stores code executable by the processor, an address space module that identifies an address space having a plurality of blocks of memory addresses, a memory diagnostic module that performs, at least three times, a memory test procedure using a block pattern, wherein a first block pattern is used the first time, a second block pattern is used the second time, and a third block pattern is used the third time, and a memory fault module that determines the presence of a memory fault based on results of the memory test procedures. | 10-01-2015 |
Helvecio C.k. Silveira, Sao Paulo BR
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20130020799 | Bi-Directional Pressure Energized Axial Seal and a Swivel Connection Application - A tubular connection has first and second tubular members having aligned bores with a common axis and having first and second seal surfaces, respectively. A metal seal has a first end portion that sealingly engages the first seal surface and a second end portion that sealingly engages the second seal surface. The metal seal has a sidewall with at least two folds. One of the folds defines an axial interior gap. The other of the folds defines an axial exterior gap. An exterior spacer member is positioned in the exterior gap to limit closer of the exterior gap in response to a greater pressure on the interior of the seal than on the exterior. An interior spacer member is positioned in the interior gap to limit closure of the interior gap in response to a greater pressure on the exterior of the seal than on the interior. | 01-24-2013 |
James Silveira, Florianopolis BR
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20100228531 | ZINC OXIDE (ZNO) VARISTORS DEGRADATION ANALYSIS SYSTEM USING PARAMETERS FROM THE MODIFIED LONGEVIN MODEL - It is a method to appraise the life of a lightning rod using the “Modified Longevin Function” initially applied to represent the field and induction magnetic magnitudes in ferromagnetic materials modified properly to the inherent magnitudes of the characteristic curve of the lightning rods' varistors, current and voltage, measuring the variation of the parameters from the lightning rod model, using the adapted “Modified Langevin Function” through out the lightning rod life evaluating the lightning rod functional status based on the variation of the three parameters of the lightning rod varistor developed model; also using a lightning rod leakage current measurement system with techniques to get the share of the resistive current flowing through the varistor and with techniques to determine the parameters from the model that uses a software to meet the varistor model parameters. | 09-09-2010 |
Jose Geraldo Gervino Silveira, Jundiai Sao Paulo BR
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20090312880 | SYSTEM AND METHOD FOR MONITORING AND CONTROLLING THE OPERATIONAL CONDITION OF A POWER TRANSFORMER - The present invention refers to a system and method for monitoring and controlling the operational condition of a power transformer. The system for monitoring and controlling the operational condition of a power transformer comprised in a single substation comprising a control a control and data processing station linked to the transformers containing detection devices of the indicative signals of the measurements of operational parameters of the transformer; the signals being continuously detected by said devices; a user interface linked to said control station, the interface allowing a user to follow the measurements of the operational parameters of the transformer and determine ranges of desirable values of said operational parameters, said control station comprises a database that stores the data referring to the indicative signals of the measurements of the operational parameters of the transformer only when the measurements of the operational parameters differ from a range of operational parameter values previously defined as desirable. The method of the present invention comprises the steps of (a) continuously measuring operational parameters of a power transformer; and (b) storing the data referring to the measurements performed in step (a) only when said measurements are not within a range of previously determined as desirable for the measurements of said operational parameters. | 12-17-2009 |
20090312881 | SYSTEM AND METHOD FOR CENTRALIZED MONITORING OF DISTRIBUTED POWER TRANSFORMER - The present invention refers to a system and method for monitoring and controlling the operational condition of a power transformer. The system for monitoring and controlling the operational condition of a power transformer comprised at different substations comprises a plurality of substations, each substation comprising a control panel linked to at least one power transformer, said control panel receives data referring to the measurements of parameters of said at least one transformer, and a monitoring center comprising an engineering server, an internet server and software that does the communication of said engineering server to said internet server, said engineering server being in communication with control panels of each of the substations and said internet server provides remote access to the system to the users of the system. The method of the present invention comprises the steps of (a) continuously measuring parameters of a plurality of power transformers comprised at a plurality of substations; and (b) storing the data referring to the measurements performed in step (a) at a database only when said measurements are not within a range of values that were previously determined as desirable for the measurements of said parameters; and (c) making the measurements of the parameters performed in step (a) available at one single physical location. The invention further provides a monitoring center that allows the follow up of the condition of operation of several power transformers located at several substations. | 12-17-2009 |
Leandro Dos Santos Silveira, Canoas BR
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20120190805 | SOLID CATALYST COMPONENT FOR POLYMERIZATION AND COPOLYMERIZATION OF ETHYLENE AND PROCESS FOR OBTAINING THE SAME - Disclosed is a process for obtaining a solid catalyst component for ethylene polymerization and copolymerization, wherein a carrier of particulate silica (65 to 85% by weight) is impregnated with a catalytically active portion (15 to 35% by weight) including titanium, magnesium, chlorine, alkoxy groups and at least one organometallic compound of the groups 1, 2, 12 or 13 of the periodic table. Further, the invention refers to the solid catalyst component thus obtained and to a process for ethylene polymerization and copolymerization wherein is used said catalyst. The catalyst obtained is suitable for the production of ethylene homo- and copolymers as narrow molecular weight distribution high density polyethylene (NMWHDPE) and linear low density polyethylene (LLDPE) with controlled morphology and improved structure. | 07-26-2012 |
Marcio Silveira, Joinville-Sc BR
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20130330177 | SUCTION ARRANGEMENT FOR A REFRIGERATION COMPRESSOR - A refrigeration compressor is provided and may include a shell carrying a suction-inlet tube having an outlet nozzle opened to the interior of the shell and a cylinder block to which is mounted a suction muffler that incorporates an admission tube provided with an inlet nozzle. | 12-12-2013 |
Marthuinus Willem Da Silveira, Ottawa CA
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20120307743 | SYMBOL FFT RACH PROCESSING METHODS AND DEVICES - Methods and devices for extracting a RACH preamble using as input a number of Fast Fourier Transformed symbols, in order to extract a random access channel (RACH) preamble from a signal received in a base station from a user device, in a radio communication system, are provided. An initial cyclic prefix (symbol CP) is removed prior to performing FFT on symbols. After (1) selecting from the FFT of a symbol frequencies corresponding to the RACH band all other non-RACH frequency bins having been set to zero, (2) shifting the signal to baseband and (3) performing a FFT on the baseband signal, a phase adjustment is performed to compensate for group delays due to symbol CP gaps occurring when generating the baseband signal, the phase adjustment being determined individually for each symbol. | 12-06-2012 |
20130022152 | ROBUST ANTENNA ARRAY - A wireless communication system that includes a robust transmitter array. The robust transmitter array includes an antenna array system with at least one column, at least one antenna element, and at least one polarization, a plurality of transmitter devices to transmit analog voice/data signals through the antenna array system, and a signal processor. The signal processor modifies two or more input signals in the event of a transmitter device failure such that substantially similar amounts of each of the two or more input signals are output from the transmitter system to the antenna array system, and wherein substantially less transmitted signal power is lost than in the case wherein the signal processor does not modify the two or more input signals in the event of a transmitter failure. | 01-24-2013 |
Paulo Silveira, Itajuba BR
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20090085574 | Method for locating phase to ground faults in DC distribution systems - A method for locating phase to ground faults in DC distribution systems. The method includes utilizing wavelet analysis using Multi-Resolution Analysis (MRA) as a signal processing tool for recognition of characteristic features in the voltage signal. The voltage signal contains characteristic information in the high frequency range above the switching frequencies of the PE converters which allows for localization of the fault. | 04-02-2009 |
Pierre Galvagni Silveira, Cacupe/florianopolis/sc BR
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20140371836 | EXPANDABLE SUPPORTIVE ENDOLUMINAL STENT GRAFT - An endoluminal prosthesis having a graft sleeve, a set of internal graft channels formed within the graft sleeve and a self-expanding wire stent. The graft sleeve forms a main fluid flow channel between a first open end and a second open end of the graft sleeve and includes an external surface and an internal surface. The self-expanding wire stent is coaxially mounted with the graft sleeve and affixed to the graft sleeve. The set of internal graft channels includes at least two internal graft channels parallel to the graft sleeve, each internal graft channel having an inner open end within the first open end of the graft sleeve and an outer open end within the second open end of the graft sleeve, thereby forming a set of fluid flow channels between the end openings of the graft sleeve. | 12-18-2014 |
Pierre Galvagni Silveira, Florianopolis-Sc BR
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20090143850 | ENDOPROSTHESIS AND DELIVERY SYSTEM FOR ITS PLACEMENT WITHIN A PATIENTS VESSEL AND USES FOR THIS ENDOPROSTHESIS AND DELIVERY SYSTEM - The present invention relates to an endoprosthesis composed of (a) two complementary bodies, body “A” and (b) a body “B”, with the said bodies being formed by proximal, intermediate and distal regions and comprising a self-expanding structure of resistant and flexible material and a graft wherein the said bodies “A” and “B” have a bifurcation for use where a main vessel bifurcates into at least two secondary branches, such as in the case of the treatment of aneurysms in the abdominal aorta. | 06-04-2009 |
20120232641 | PERCUTANEOUS ENDOPROSTHESIS - An endoprosthesis to be implanted in vessels damaged in a way as to be detrimental to the flow of the biological fluids they convey, intended for the treatment of aneurysms in areas of a vessel in the vicinity of a bifurcation, such as, for example, an aneurysm of the abdominal aorta. | 09-13-2012 |
Reinaldo Silveira, Sao Paulo BR
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20140129883 | HARDWARE-BASED MEMORY INITIALIZATION - Systems and methods for hardware-based initialization of memory circuitry. In some embodiments, a method may include, after completion and/or independently of an integrity test of a memory circuit, generating a sequence of random logic values using a Built-In-Self-Test (BIST) circuit. The method may further include initializing the memory circuit with the sequence of random logic values using the BIST circuit. In some implementations, the sequence of logic values may be generated using memory circuit identification, chip identification, and/or clock information as a seed state. | 05-08-2014 |
20150162098 | MEMORIES HAVING A BUILT-IN SELF-TEST (BIST) FEATURE - A memory system includes a memory and a built-in self-test (BIST) unit coupled to the memory. The BIST unit is configured to run a test pattern on the memory to accumulate a fault signature, and store fault signature information based on the accumulated fault signature at multiple locations in the memory. | 06-11-2015 |
Tiago Silveira, Sangalhos PT
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20130004175 | OPTICAL MODULATOR - An optical modulator and a method for operating the optical modulator are provided, the optical modulator contains at least two semiconductor optical amplifier sections that are arranged in a cascaded structure. An information signal is applicable to one of the semiconductor optical amplifier sections and an inverse information signal is applicable to another of the semiconductor optical amplifier sections. In addition, a communication system containing at least one such modulator is suggested. | 01-03-2013 |