Patent application number | Description | Published |
20130213040 | METHOD AND SYSTEM FOR GENERATING POWER FROM LOW- AND MID- TEMPERATURE HEAT SOURCES - A method and system for generating power from low- and mid-temperature heat sources using a zeotropic mixture as a working fluid. The zeotropic mixture working fluid is compressed to pressures above critical and heated to a supercritical state. The zeotropic mixture working fluid is then expanded to extract power. The zeotropic mixture working fluid is then condensed, subcooled, and collected for recirculation and recompression. | 08-22-2013 |
20140102073 | THERMAL ENERGY STORAGE - Thermal energy storage is leveraged to store thermal energy extracted from a bottom cycle heat engine. The thermal energy stored in the thermal energy storage is used to supplement power generation by the bottom cycle heat engine. In one embodiment, a thermal storage unit storing a thermal storage working medium is configured to discharge thermal energy into the working fluid of the bottom cycle heat engine to supplement power generation. In one embodiment, the thermal storage unit includes a cold tank containing the thermal storage working medium in a cold state and a hot tank containing the working medium in a heated state. At least one heat exchanger in flow communication with the bottom cycle heat engine and the thermal storage unit facilitates a direct heat transfer of thermal energy between the thermal storage working medium and the working fluid used in the bottom cycle heat engine. | 04-17-2014 |
20140318792 | SYSTEM AND METHOD FOR ENHANCED RECOVERY OF OIL FROM AN OIL FIELD - An oil recovery system and method is disclosed. The system includes a solar power tower for receiving a first portion of water from a water treatment device. The solar power tower heats the first portion of water directly using solar radiation and generates a first steam. Further, the system includes a boiler for receiving a second portion of water from the water treatment device. The boiler heats the second portion of water and generates a second steam. Further, the system includes a flow control device coupled to the solar power tower and the boiler to receive at least one of the first steam and the second steam. The flow control device injects at least one of the first steam and the second steam to an oil field. | 10-30-2014 |
20140352321 | GAS TURBINE ENGINE SYSTEM AND AN ASSOCIATED METHOD THEREOF - A gas turbine engine system includes a compressor, a combustor, and a turbine. The combustor is coupled to the compressor and disposed downstream of the compressor. The combustor includes a secondary combustor section coupled to a primary combustor section and disposed downstream of the primary combustor section. The combustor also includes a transition nozzle coupled to the secondary combustor section and disposed downstream of the secondary combustor section. The combustor further includes an injector coupled to the secondary combustor section, for injecting an air-fuel mixture to the secondary combustor section. The turbine is coupled to the combustor and disposed downstream of the transition nozzle; wherein the transition nozzle is oriented substantially tangential to the turbine. | 12-04-2014 |
Patent application number | Description | Published |
20100079926 | FILM CAPACITOR - A capacitor comprises a substrate layer, a first electrode layer disposed on the substrate layer, and a first dielectric layer disposed on the electrode layer. The dielectric layer comprises inorganic ferroelectric or antiferroelectric particles, and a polymeric material having an elongation less than or equal to about 5 percent. | 04-01-2010 |
20110075320 | Dielectric Film, Associated Article and Method - An article having a cyanoresin dielectric film is described. The cyanoresin dielectric film includes nanostructures of a toughening material. A method of forming such a cyanoresin dielectric film is also described. A capacitor having a cyanoresin dielectric film is presented. | 03-31-2011 |
20110267620 | ARC FLASH DETECTION SYSTEM AND METHOD - A sensor to simultaneously detect light and acoustic waves is presented. The sensor includes one or more optical fibers and a diaphragm disposed near one end of at least one of the one or more optical fibers. The diaphragm is configured to vibrate upon incidence of acoustic waves from an arc flash and reflect a light beam into at least the one of the one or more of the optical fibers. A semi-transparent region is disposed around the one or more optical fibers to diffuse light originating from the arc flash into at least one of the one or more optical fibers. | 11-03-2011 |
20120002195 | ARC FLASH DETECTION METHOD - An arc flash detection method includes transmitting light via an optical fiber to a sensor and transmitting light from the sensor that includes components representative of acoustic waves and light for filtering and processing to detect an occurrence of an arc flash. | 01-05-2012 |
20120045330 | SYSTEM AND METHOD FOR MONITORING AND CONTROLLING PHYSICAL STRUCTURES - A system for controlling a wind turbine is disclosed. A system includes a light source and a beam scanner to scan the light pulses over the wind turbine. The system further receives backscattered light pulses and subsequently, provides a signal corresponding to the light pulses. The system adjusts a threshold of the signal based on a normalized value of a detected peak value of the signal. The system associates a time of flight with each of the received backscattered light pulse. The system generates an image of the wind turbine based on the time of flight associated with the light pulses and subsequently, compares the generated image with at least one known image of the wind turbine. The system generates a health profile of the wind turbine based on the comparison and subsequently, change one or more parameters of the wind turbine based on the health profile. | 02-23-2012 |
20120219791 | COATED POLYMER DIELECTRIC FILM - Present invention provides a film and an article including the film. The film includes first layer, second layer and third layer. The first layer includes a polymer dielectric material. The second layer is disposed on at least one surface of the first layer and includes inorganic oxide dielectric material. The third layer is disposed on the first or second layer and includes a nitride or oxynitride material. | 08-30-2012 |
20120287555 | AMORPHOUS POLYETHERIMIDE FILMS FOR CAPACITORS, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM - A uniaxially-stretched, extruded film comprising a polyetherimide and less than 5 weight percent of fluorine, wherein the extruded film has at least one wrinkle-free region having a first surface and a second surface, the at least one extruded wrinkle-free region comprising: an extruded thickness of more than 0 and less than 13 micrometers, and a variation of the thickness of the film of +/−10% of the thickness of the film, and a surface roughness average that is less than +/−3% of the average thickness of the film as measured by optional profilometery; and further wherein the film has a dielectric constant at 1 kHz and room temperature of at least 2.7; a dissipation factor at 1 kHz and room temperature of 1% or less; and a breakdown strength of at least 300 Volts/micrometer. | 11-15-2012 |
20140080935 | POLYMER NANOCOMPOSITES FOR ELECTRONIC APPLICATIONS - Disclosed herein are nanocomposite materials, devices thereof and methods thereof with a dielectric constant and corona resistance while having an increased or substantially maintained energy density, breakdown strength and/or dissipation factor relative to the polymer. | 03-20-2014 |
Patent application number | Description | Published |
20100204207 | Compounds and Methods for Treating Dyslipidemia - Compounds of Formula (I): wherein n, m, p, q, Y, R1, R2, R3a, R3b, R4, R5, and R6 are as defined herein and their pharmaceutical compositions and methods of use are disclosed. | 08-12-2010 |
20100331309 | Trans-4-[[(5S)-5-[[[3,5-bis(trifluoromethyl)phenyl]methyl](2-methyl-2H-tet- razol-5-yl)amino]-2,3,4,5-tetrahydro-7,9-dimethyl-1H-1-benzazepin-1-yl]met- hyl]-cyclohexanecarboxylic acid - Compounds of a formula | 12-30-2010 |
20120058990 | Trans-4-[[(5S)-5-[[[3,5-bis(trifluoromethyl)phenyl]methyl] (2-methyl-2H-tetrazol-5-yl)amino]-2,3,4,5-tetrahydro-7,9-dimethyl-1H-1-be- nzazepin-1-yl]methyl]-cyclohexanecarboxylic acid - Abstract Compounds of a formula entitled, trans-4-[[(5S)-5-[[[3,5-bis(trifluoromethyl)phenyl]methyl](2-methyl-2H-tetrazol-5-yl)amino]-2,3,4,5-tetrahydro-7,9-dimethyl-1H-1-benzazepin-1-yl]methyl]-cyclohexanecarboxylic acid, as a free acid or a pharmaceutically acceptable salt thereof, hydrate, and hydrate in crystalline form; pharmaceutical formulations; and methods of use are disclosed. | 03-08-2012 |
Patent application number | Description | Published |
20090161829 | MONOCHROMATIC X-RAY MICRO BEAM FOR TRACE ELEMENT MAPPING - An x-ray system or method for exciting a sample under x-ray analysis, using a curved monochromating optic for directing a monochromatic x-ray beam from an x-ray source towards a first focal area. A second optic is positioned within, and receives, the monochromatic x-ray beam, and directs a focused x-ray beam towards a second focal area on the sample. A detector is positioned near the sample to collect radiation from the sample as a result of the focused x-ray beam. The curved monochromating optic produces a beam spot size at the first focal area larger than a beam spot size produced by the second optic at the second focal area, therefore, a beam spot size on the sample is thereby reduced using the second optic. Doubly-curved monochromating optics, and polycapillary optics, are disclosed as possible implementations of the optics. | 06-25-2009 |
20090213988 | SAMPLE MODULE WITH SAMPLE STREAM SPACED FROM WINDOW, FOR X-RAY ANALYSIS SYSTEM - An x-ray analysis system with an x-ray source for producing an x-ray excitation beam directed toward an x-ray analysis focal area; and a sample chamber for presenting a fluid sample to the x-ray analysis focal area. The x-ray excitation beam is generated by an x-ray engine and passes through an x-ray transparent barrier on a wall of the chamber, to define an analysis focal area within space defined by the chamber. The fluid sample is presented as a stream suspended in the space and streaming through the focal area, using a laminar air flow and/or pressure to define the stream. The chamber's barrier is therefore separated from both the focal area and the sample, resulting in lower corruption of the barrier. | 08-27-2009 |
20100046702 | SMALL SPOT AND HIGH ENERGY RESOLUTION XRF SYSTEM FOR VALENCE STATE DETERMINATION - An x-ray fluorescence technique for determining a valence state of a sample. An x-ray excitation path is provided for exciting a sample with x-rays; and an x-ray detection path is provided for detecting fluorescence emitted from the sample, and focusing the emitted fluorescence to a focal spot. The detection path may include a monochromating detection optic for focusing the fluorescence; and also may include a detector on which the focal spot is focused. The precise positions of the focal spot are sensed, from which valence states of the sample can be determined; and/or the detection optic can be rocked across certain angles of incidence, to change the Bragg conditions, thereby sensing different valence states within the sample. | 02-25-2010 |
20110170666 | XRF SYSTEM HAVING MULTIPLE EXCITATION ENERGY BANDS IN HIGHLY ALIGNED PACKAGE - An x-ray analysis apparatus for illuminating a sample spot with an x-ray beam. An x-ray tube is provided having a source spot from which a diverging x-ray beam is produced having a characteristic first energy, and bremsstrahlung energy; a first x-ray optic receives the diverging x-ray beam and directs the beam toward the sample spot, while monochromating the beam; and a second x-ray optic receives the diverging x-ray beam and directs the beam toward the sample spot, while monochromating the beam to a second energy. The first x-ray optic may monochromate characteristic energy from the source spot, and the second x-ray optic may monochromate bremsstrahlung energy from the source spot. The x-ray optics may be curved diffracting optics, for receiving the diverging x-ray beam from the x-ray tube and focusing the beam at the sample spot. Detection is also provided to detect and measure various toxins in, e.g., manufactured products including toys and electronics. | 07-14-2011 |
20110194671 | SAMPLE MODULE WITH SAMPLE STREAM SUPPORTED AND SPACED FROM WINDOW, FOR X-RAY ANALYSIS SYSTEM - An x-ray analysis system with an x-ray source for producing an x-ray excitation beam directed toward an x-ray analysis focal area; and a sample chamber for presenting a fluid sample to the x-ray analysis focal area. The x-ray excitation beam is generated by an x-ray engine and passes through an x-ray transparent barrier on a wall of the chamber, to define an analysis focal area within space defined by the chamber. The fluid sample is presented as a stream supported in the space and streaming through the focal area, using a support structure to guide the sample stream. The chamber's barrier is therefore separated from both the focal area and the sample, resulting in lower corruption of the barrier. | 08-11-2011 |
20120321045 | COMPOSITIONS, METHODS OF USE AND SYSTEMS FOR ANALYSIS OF SILICON LEVELS IN PETROLEUM MATERIALS - This invention relates in general to the determination of silicon levels in fuel mixtures, such as petroleum products. More particularly, the present invention relates to compositions for use as standards in an x-ray analyzer for the measurement of silicon in various fuel mixtures, and to methods of using these compositions. | 12-20-2012 |
20140105363 | XRF SYSTEM HAVING MULTIPLE EXCITATION ENERGY BANDS IN HIGHLY ALIGNED PACKAGE - An x-ray analysis apparatus for illuminating a sample spot with an x-ray beam. An x-ray tube is provided having a source spot from which a diverging x-ray beam is produced having a characteristic first energy, and bremsstrahlung energy; a first x-ray optic receives the diverging x-ray beam and directs the beam toward the sample spot, while monochromating the beam; and a second x-ray optic receives the diverging x-ray beam and directs the beam toward the sample spot, while monochromating the beam to a second energy. The first x-ray optic may monochromate characteristic energy from the source spot, and the second x-ray optic may monochromate bremsstrahlung energy from the source spot. The x-ray optics may be curved diffracting optics, for receiving the diverging x-ray beam from the x-ray tube and focusing the beam at the sample spot. Detection is also provided to detect and measure various toxins in, e.g., manufactured products including toys and electronics. | 04-17-2014 |
20140198898 | ONLINE MONITORING OF CONTAMINANTS IN CRUDE AND HEAVY FUELS, AND REFINERY APPLICATIONS THEREOF - A technique, including associated method and system, for on-line measurement of a trace element in a crude or heavy fuel stream for a refinery, including in one embodiment: providing at least one x-ray fluorescence (“XRF”) analyzer at a point for the refinery; analyzing the petroleum stream for chlorine using the analyzer; and providing results from the analyzer to refinery operators, to improve refinery operations. The analyzer may be a monochromatic wavelength XRF analyzer, wherein the analyzer focuses energy to/from the stream using an x-ray engine having at least one focusing, monochromating x-ray optic. The analyzer may be an MWDXRF or ME-EDXRF analyzer; and the trace element may be one or more of the following elements: S, Cl, P, K, Ca, V, Mn, Fe, Co, Ni, Cu, Zn, Hg, As, Pb, and Se; and in one embodiment the stream is crude, and the trace element is chlorine. | 07-17-2014 |
20140270063 | NON-HOMOGENEOUS SAMPLE HANDLING APPARATUS AND X-RAY ANALYZER APPLICATIONS THEREOF - A sample handling apparatus/technique/method are provided for a material analyzer, including: a sample cell insert for carrying sample to and from a sample focal area of the analyzer; a removable sample carrying device for providing sample to the cell insert; and an actuator to flow sample from the carrying device to the sample cell insert. The removable sample carrying device may be a syringe, and the actuator pushes a plunger of the syringe to expel the sample to the sample cell insert. The sample cell insert may be mounted onto a sample cell, the sample cell being insertable into the analyzer for sample analysis. The sample handling apparatus may be used in combination with an optic-enabled x-ray analyzer, the x-ray analyzer including an x-ray engine with an x-ray excitation path and an x-ray detection path, wherein the x-ray excitation and/or the x-ray detection path define the sample focal area. | 09-18-2014 |
20140294157 | SUPPORT STRUCTURE AND HIGHLY ALIGNED MONOCHROMATING X-RAY OPTICS FOR X-RAY ANALYSIS ENGINES AND ANALYZERS - A support structure having multiple highly aligned curved x-ray optics, the support structure having multiple internal partially or fully concentric surfaces upon which said optics are mounted, thereby aligning said optics along a central optical axis thereof and therefore to a source, sample, and/or detector in combination with which the support structure is useable. The surfaces may be nested around the central optical axis; and the support structure may divided longitudinally into sections around the central optical axis by walls. At least one of the x-ray optics comprises a curved diffracting optic, for receiving a diverging x-ray beam and focusing the beam to a focal area, in one embodiment a focusing monochromating optic. In an improved embodiment, an optic comprises a single layer, plastically deformed, LiF optic. | 10-02-2014 |
20150043713 | X-RAY ANALYZER HAVING MULTIPLE EXCITATION ENERGY BANDS PRODUCED USING MULTI-MATERIAL X-RAY TUBE ANODES AND MONOCHROMATING OPTICS - An x-ray tube includes a target on which electrons impinge to form a diverging x-ray beam. The target has a surface formed from first and second target materials, each tailored to emit a respective x-ray energy profile. A first x-ray optic may be provided for directing the beam toward the sample spot, the first x-ray optic monochromating the diverging x-ray beam to a first energy from the energy emitted by the first target material; and a second x-ray optic may be provided, for directing the beam toward the sample spot, the second x-ray optic monochromating the diverging x-ray beam to a second energy from the energy emitted by the second target material. Fluorescence from the sample spot induced by the first and second monochromated energies is used to measure the concentration of at least one element in the sample, or separately measure elements in a coating and underlying substrate. | 02-12-2015 |