| Patent application number | Description | Published |
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| 20080213432 | Nutritious fabricated snack products - A snack chip comprising from about 15% to about 60% of vegetable material; from about 40% to about 65% of starch material made from materials selected from the group consisting of tapioca, rice and mixtures thereof; from about 0.1% to about 3.0% water; and from about 1% to about 20% of optional ingredients. At least about 40% of the starch material is pre-gelatinized. The snack chip can be made by combining the vegetable material and dry ingredients with water to form a dough which is then sheeted, dried without the use of a heated extruder to form a half product, which is cooked to form the snack chip. | 09-04-2008 |
| 20090004356 | Nutritious fabricated snack products - A snack chip comprising from about 40% to about 60% of nut based material; from about 40% to about 60% of starch material made from materials selected from the group consisting of tapioca, rice, and mixtures thereof; from about 0.1% to about 5.0% water; and from about 0% to about 20% of optional ingredients. At least about 40% of the starch material can be pre-gelatinized. The snack chip can be made by combining the nut based material and dry ingredients with water to form a dough, which is then sheeted, cut into individual pieces, and braked to form the snack chip. Alternatively, the cut pieces can be dried to form a half-product and then cooked to form the snack chip. | 01-01-2009 |
| 20090202700 | Nutritious snack products - Snacks are provided that contains fruit or vegetable materials. Snacks can be formulated to provide one half of a serving and up to and including at least one serving, and fractions therebetween, of fruit or vegetable in a single 28 gram serving of snack. The snacks can comprise 12% or less fat. A fruit snack can comprise from about 12% to about 66% of fruit source solids; from about 34% to about 88% of starch; from about 0.1% to about 5.0% of water; and from about 0% to about 54% of optional ingredients. | 08-13-2009 |
| 20090208607 | Nutritious snack products - Snacks are provided that contains fruit or vegetable materials. Snacks can be formulated to provide one half of a serving and up to and including at least one serving, and fractions therebetween, of fruit or vegetable in a single 28 gram serving of snack. The snacks can comprise 12% or less fat. A fruit snack can comprise from about 12% to about 66% of fruit source solids; from about 34% to about 88% of starch; from about 0.1% to about 5.0% of water; and from about 0% to about 54% of optional ingredients. | 08-20-2009 |
| 20100098822 | Isothiocyanate Preservatives and Methods of Their Use - A composition for preserving solid food products comprising a moisture-sensitive isothiocyanate compound and a hygroscopic carrier, wherein the composition is substantially free of sorbic acid, benzoic acid, and salts thereof. Also disclosed is a solid food product containing the aforementioned preservative composition and a method for preserving solid food products including the steps of adding a moisture-sensitive isothiocyanate to the solid food product and storing the resulting product at a reduced temperature. | 04-22-2010 |
| 20110076370 | PROCESSES FOR CONTROLLING THE STRENGTH OF AN EXTRACTABLE BEVERAGE - Processes for controlling strength of an extracted beverage including providing a pseudo packed bed of an extractable beverage material and contacting at least one liquid extraction stream with the pseudo packed bed of beverage material at a selected depth to obtain at least one zone of minimum extraction and at least one zone of maximum extraction. As the depth at which the liquid extraction stream is introduced into the packed bed increases, the zone of minimum extraction increases and the zone of maximum extraction decreases. | 03-31-2011 |
| 20110212240 | PROCESSES FOR ISOLATING BITTER QUINIDES FOR USE IN FOOD AND BEVERAGE PRODUCTS - Processes for isolating bitter compounds for use in food and beverage products entailing contacting a bitter compound composition with an adsorbent to adsorb bitter compounds from the bitter compound composition, desorbing the bitter compounds from the adsorbent to obtain a bitter compound isolate, and adding the bitter compound isolate to a food or beverage product to enhance the flavor thereof. | 09-01-2011 |
| 20110244078 | Mustard Compositions - A white mustard essential oil having from about 30% to about 35% 4-hydroxybenzyl isothiocyanate, by weight. An enriched white mustard essential oil having about 30% to about 80% 4-hydroxybenzyl isothiocyanate, by weight. A food or beverage product can include the enriched white mustard essential oil. A flour including a mustard flour, wherein the mustard flour is substantially free of sinalbin. | 10-06-2011 |
| 20110245526 | Process of Extracting Isothiocyanates - A process for producing an essential oil. The essential oil can be white mustard essential oil. The white mustard essential oil can include a moisture sensitive isothiocyanate compound. The moisture sensitive isothiocyanate compound can be 4-HBITC. The essential oil can be produced from mustard seed, which can comprise a precursor sinalbin and myrosinase enzyme. The mustard seed can be reduced into a powder. Activation of the myrosinase enzyme by using a water solvent and a promoter to form a slurry can be performed, wherein the myrosinase enzyme catalyzes the production of an essential oil comprising an isothiocyanate from the sinalbin precursor. | 10-06-2011 |
| 20120003356 | Process for Producing Cassava Flour - A process for the production of cassava flour having low concentration of cyanogenic compounds is described. The process is suitable for removing the cyanogenic compounds from bitter-type cassava roots using a minimum of washing steps. The resultant cassava flour has a high fiber content while having less than about 10 mg HCN equivalents/kg. | 01-05-2012 |
| 20120003369 | Acidification of Food Products - A process for acidifying a food product. The process can include providing a food product having an initial pH, adding a first acid to the food product so as to adjust the initial pH of the food product to an intermediate pH of the food product, adding a second acid to the food product so as to adjust the intermediate pH of the food product to a final pH of the food product, wherein an acidified food product having the final p is produced. | 01-05-2012 |
| 20120003371 | Acidification and Preservation of Food Products - A process for acidifying and preserving a food product. The process can include providing a food product having an initial pH, acidifying the food product to a final pH to produce an acidified food product, treating the acidified food product with a preservative composition comprising a moisture sensitive isothiocyanate compound, wherein the acidifying and treating produce an acidified and preserved food product. | 01-05-2012 |
| 20120003375 | Cassava Products - Products that include cassava flour. The products can be dry blends, doughs, and fabricated snack products. The cassava flour can have a total cyanide content of less than 10 mg HCN equivalent/kg, can have a peak RVA viscosity ranging from about 700 cP to about 1200 cP, can have a final RVA viscosity ranging from about 200 cP to about 1100 cP, and can be formed from a crushed cassava root having a cyanide content of at least 50 mg HCN equivalent/kg. | 01-05-2012 |
| 20120070557 | Isothiocyanate Preservatives and Methods of Their Use - A composition for preserving solid food products comprising a moisture-sensitive isothiocyanate compound and a hygroscopic carrier, wherein the composition is substantially free of sorbic acid, benzoic acid, and salts thereof. Also disclosed is a solid food product containing the aforementioned preservative composition and a method for preserving solid food products including the steps of adding a moisture-sensitive isothiocyanate to the solid food product and storing the resulting product at a reduced temperature. | 03-22-2012 |
| 20120276252 | PROCESSES FOR CONTROLLING THE STRENGTH OF AN EXTRACTABLE BEVERAGE - Processes for controlling strength of an extracted beverage including providing a pseudo packed bed of an extractable beverage material and contacting at least one liquid extraction stream with the pseudo packed bed of beverage material at a selected depth to obtain at least one zone of minimum extraction and at least one zone of maximum extraction. As the depth at which the liquid extraction stream is introduced into the packed bed increases, the zone of minimum extraction increases and the zone of maximum extraction decreases. | 11-01-2012 |
| 20130280388 | Solid Food Products and Methods of Their Preservation - Disclosed herein are solid food products comprising an isothiocyanate compound. Also disclosed are methods of preserving solid food products comprising such isothiocyanate compounds. In one embodiment, the methods comprise providing a solid food product comprising an isothiocyanate compound and exposing the solid food product to energy input to cause thermal heat. In one embodiment the energy input may be microwave radiation. | 10-24-2013 |
| Patent application number | Description | Published |
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| 20120260667 | Power Plant - A power plant is provided and includes a gas turbine engine to generate power, a heat recovery steam generator (HRSG) to produce steam from high energy fluids produced from the generation of power in the gas turbine engine, a steam turbine engine to generate additional power from the steam produced in the HRSG and a thermal load reduction system to reduce thermal loading of components of the HRSG and/or the steam turbine engine during at least startup and/or part load operations, which includes an eductor by which a mixture of compressor discharge air and entrained ambient air is injectable into the HRSG and/or an attemperator to cool superheated steam to be transmitted to the steam turbine engine and a detector disposed within the HRSG to facilitate identification of hot spots therein. | 10-18-2012 |
| 20130125557 | METHOD AND APPARATUS FOR OPTIMIZING THE OPERATION OF A TURBINE SYSTEM UNDER FLEXIBLE LOADS - A gas turbine system includes a compressor protection subsystem; a hibernation mode subsystem; and a control subsystem that controls the compressor subsystem and the hibernation subsystem. At partial loads on the turbine system, the compressor protection subsystem maintains an air flow through a compressor at an airflow coefficient for the partial load above a minimum flow rate coefficient where aeromechanical stresses occur in the compressor. The air fuel ratio in a combustor is maintained where exhaust gas emission components from the turbine are maintained below a predetermined component emission level while operating at partial loads. | 05-23-2013 |
| 20130193127 | COMBUSTION TURBINE INLET ANTI-ICING RESISTIVE HEATING SYSTEM - A resistive heating system for a combustion turbine susceptible to inlet air filter house component and compressor icing includes a plurality of heating panels (bundles) arranged in a substantially-planar array, adapted to be located on or adjacent to the turbine's inlet air filter house. Each heating panel is provided with one or more electrically-resistive heating elements; and a controller for selectively activating the resistive heating elements on each of the plurality of heating panels. | 08-01-2013 |
| 20130318941 | Supercharged Combined Cycle System With Air Flow Bypass - A system and method for supercharging a combined cycle system includes a forced draft fan providing a variable air flow. At least a first portion of the air flow is directed to a compressor and a second portion of the airflow is diverted to a heat recovery steam generator. A control system controls the airflows provided to the compressor and the heat recovery steam generator. The system allows a combined cycle system to be operated at a desired operating state by controlling the flow of air from the forced draft fan to the compressor and the heat recovery steam generator. | 12-05-2013 |
| 20130318965 | Supercharged Combined Cycle System With Air Flow Bypass To HRSG And Hydraulically Coupled Fan - A supercharging system for a gas turbine system having a compressor, a combustor, a turbine and a shaft includes a prime mover and a fan assembly that provides an air stream at an air stream flow rate. A hydraulic coupler is coupled to the prime mover and the fan assembly and a second torque converter may couple the supercharger prime mover to an electrical generator. The supercharging system also includes a subsystem for conveying a first portion of the air stream to the compressor, and a bypass subsystem for optionally conveying a second portion of the air stream to other uses. | 12-05-2013 |
| 20130318984 | Gas Turbine Compressor Inlet Pressurization Having a Torque Converter System - A supercharging system for a gas turbine system includes a compressor, a combustor, a turbine and a shaft. The supercharging system includes a fan assembly that provides an air stream and a torque converter coupled to the shaft and the fan assembly. The supercharging system also includes a subsystem for conveying a first portion of the air stream output to the compressor; and a bypass subsystem for optionally conveying a second portion of the air stream output to other uses. | 12-05-2013 |
| 20130318987 | SUPERCHARGED COMBINED CYCLE SYSTEM WITH AIR FLOW BYPASS TO HRSG AND FAN - A supercharging system includes a fan providing an air flow, and a prime mover that drives the fan. A duct directs a first portion of the air flow to a gas turbine system, a main bypass subsystem diverts a second portion of the air flow to a heat recovery steam generator; and a drive bypass subsystem that diverts a third portion of the air flow to the prime mover. The prime mover may be one of an aeroderivative gas turbine, a gas turbine, a reciprocating engine, a steam turbine and an induction motor and a variable frequency drive. | 12-05-2013 |
| 20130330172 | METHOD, SYSTEM AND APPARATUS FOR ENHANCED OFF LINE COMPRESSOR AND TURBINE CLEANING - Methods, systems and apparatus for cleaning turbines, such as power generation turbines, are disclosed. Supplemental piping is connected to existing compressor air extraction and turbine nozzle cooling air piping, to supply water and/or cleaning agents into areas of a turbine not ordinarily accessible by injection of water and/or cleaning agents into the bellmouth of the turbine alone. Pressure and flow sensors, pumps, valving, and a control system to regulate the operation of the pumps and valving are provided to control the introduction of water and/or cleaning agents into the turbine. | 12-12-2013 |
| 20130340439 | Systems and Methods for De-Icing a Gas Turbine Engine Inlet Screen and Dehumidifying Inlet Air Filters - A system for de-icing a gas turbine engine is provided. A manifold is coupled to an inlet screen. A first conduit is coupled to a stage of the compressor and a first input of a mixing component. A second conduit is coupled to the exhaust and a second input of the mixing component. The second conduit being adapted to extract exhaust gases without increasing the pressure at the exhaust. A third conduit is coupled to the output of the mixing component and the manifold. A method for de-icing a gas turbine engine inlet screen includes determining a current temperature at the inlet screen, and determining a desired temperature at the inlet screen. If the current temperature at the inlet screen is less than the desired temperature at the inlet screen first flow rate of an air-exhaust mixture necessary to achieve the desired inlet screen temperature is calculated. The method also includes extracting an amount of exhaust gas from a turbine exhaust subsystem without increasing a pressure at the turbine exhaust subsystem, extracting an amount of air from a compressor stage, and mixing the amount of exhaust gas with the amount of air to generate an air-exhaust mixture that is conveyed to the inlet screen. | 12-26-2013 |
| 20140069744 | SYSTEM AND METHOD FOR SUPPLYING LUBE OIL TO A GAS TURBINE - A system for supplying lube oil to a gas turbine includes an auxiliary lube oil skid and an auxiliary lube oil pump. A first fluid connection to supply piping of a main lube oil system is downstream from the auxiliary lube oil pump. A second fluid connection to return piping of the main lube oil system is upstream from the auxiliary lube oil pump. A method for supplying lube oil to a gas turbine includes connecting an auxiliary lube oil pump to supply piping of a main lube oil system, connecting the auxiliary lube oil pump to return piping of the main lube oil system, and operating the auxiliary lube oil pump to supply lube oil to the supply piping. | 03-13-2014 |
| 20140079538 | REPLACEABLE SEALS FOR TURBINE ENGINE COMPONENTS AND METHODS FOR INSTALLING THE SAME - An assembly and method are provided for sealing a compressor in a gas turbine engine. The method comprises forming an annular groove in a compressor casing such that the groove extends circumferentially about a rotor that is housed within the casing. The compressor casing is then coupled to the rotor such that the compressor casing extends circumferentially about the rotor. A plurality of arcuate seal segments are then inserted into the annular groove without removing the rotor from the compressor casing such that the plurality of seal segments extend circumferentially about the rotor to facilitate sealing a gap that is defined between the rotor and the compressor casing. | 03-20-2014 |
| 20140090354 | TURBINE EXHAUST PLUME MITIGATION SYSTEM - Various embodiments include an exhaust plume mitigation system for a turbine and systems incorporating the exhaust plume mitigation system. In some embodiments, the exhaust plume mitigation system includes: a first conduit fluidly connecting a compressor to an exhaust chamber of the turbine; a first control valve operably connected with the first conduit for regulating flow of compressor air through the first conduit; and a fluid inductor including: a first inlet fluidly connected with the first conduit; a second inlet fluidly connected with ambient; and an outlet fluidly connected with the exhaust chamber. | 04-03-2014 |
| 20140102179 | TURBINE LEAK DETECTION SYSTEM - Various embodiments include a leak detection system for a turbine compartment. In some embodiments, the leak detection system includes: a tracer fluid system fluidly connected with the turbine compartment, the tracer fluid system configured to provide an optically detectable fluid to a fluid supply of the turbine compartment; an optical detection system operably connected to the turbine compartment, the optical detection system configured to detect the presence of the optically detectable fluid in at least one location of the turbine compartment; and a control system operably connected to the tracer fluid system and the optical detection system, the control system configured to obtain data about the presence of the optically detectable fluid in the at least one location, and provide an indicator indicating a potential leak location based upon the data about the presence of the optically detectable fluid in the at least one location. | 04-17-2014 |
| 20140123666 | System to Improve Gas Turbine Output and Hot Gas Path Component Life Utilizing Humid Air for Nozzle Over Cooling - A system to improve gas turbine output and extend the life of hot gas path components includes a subsystem for estimating an amount of water or steam to be added to the flow of air to achieve the desired hot gas path temperature. The system includes a water or steam injection component adapted to inject the amount of water or steam to the flow of air to generate a flow of humid air and an injection subsystem adapted to inject the flow of humid air into a nozzle at the turbine stage are also included. The system includes a temperature sensor disposed at a turbine stage, and a subsystem for determining a desired hot gas path temperature at the turbine stage. An extraction conduit is coupled to a compressor stage and is adapted to extract a flow of air. | 05-08-2014 |
| 20140123853 | OFFLINE WATER WASH SYSTEM FOR INLET FILTERS AND FILTER HOUSE - A filter house and cleaning system arrangement for a turbine system and an associated method. The arrangement includes a filter house and filter elements within the filter house. The arrangement includes nozzles that spray a fluid on the filter elements to provide cleaning of the filter elements. The nozzles have structure that permits the nozzles to move within the filter house to adjust where on the filter elements the fluid is sprayed. The arrangement includes a detection device configured to detect a level of cleanliness and provide an output that indicates the level of cleanliness. | 05-08-2014 |
| 20140124007 | OFFLINE COMPRESSOR WASH SYSTEMS AND METHODS - The present application thus provides a wash system for use with a compressor having a bellmouth and one or more extraction pipes. The wash system may include a water source, a first fluid source, a mixing chamber in communication with the water source and the first fluid source, a bellmouth line in communication with the mixing chamber and the bellmouth, and a stage line in communication with one of the extraction pipes. | 05-08-2014 |
| 20140150447 | LOAD RAMP AND START-UP SYSTEM FOR COMBINED CYCLE POWER PLANT AND METHOD OF OPERATION - The disclosure includes a load ramp system for a heat recovery steam generator (HRSG) of a combined cycle power plant and a method of increasing the rate of the load ramp process of a gas turbine system of the combined cycle power plant. In one embodiment, the load ramp system for the HRSG of the combined cycle power plant includes a conduit in fluid communication with a supercharger positioned upstream of a compressor of a gas turbine system in the combined cycle power plant. The conduit of the load ramp system is configured to direct a portion of supercharged air for use in cooling the HRSG during a load ramp process of the gas turbine system in the combined cycle power plant. | 06-05-2014 |
| 20140174163 | Systems and Methods For Measuring Fouling in a Turbine System - Systems and methods for measuring fouling in a gas turbine compressor include a conductivity resistance sensor disposed in a compressor inlet mouth. The degree of compressor fouling is correlated to changes in resistance measured by the conductivity resistance sensor. Measurements of resistance changes are converted to an indicia of fouling and used to trigger cleaning of the compressor. | 06-26-2014 |
| 20140174474 | SYSTEMS AND METHODS FOR WASHING A GAS TURBINE COMPRESSOR - A method is provided for washing a compressor in a gas turbine. The method includes establishing a compressor fouling set point and sensing a fouling level in the compressor with a sensor. The fouling level is communicated to a control subsystem that determines a wash initiation instruction based on the fouling level and the compressor fouling set point. The wash initiation instruction is executed by initiating a wash with a fluid. A system is also disclosed including a compressor, an on-line wash system coupled to the compressor, and a compressor fouling sensor that senses a compressor fouling level. A source of washing fluid is provided, and a control subsystem that initiates a wash with washing fluid from the source of washing fluid based on a compressor fouling level. | 06-26-2014 |
| 20140202334 | FILTER SYSTEM AND METHOD FOR LEAK IDENTIFICATION - A filter system and method utilizing a plurality of filters each with an electrically conductive material portion for conducting an electric current while the filter maintains a tight seal and for not conducting the electric current when the filter does not maintain the tight seal. | 07-24-2014 |
| 20140208755 | Gas Turbine Air Mass Flow Measuring System and Methods for Measuring Air Mass Flow in a Gas Turbine Inlet Duct - A method and system for measuring a mass flow rate in a portion of a flow path in an inlet duct of a gas turbine engine is provided. The system includes a sensor assembly attached to the inlet duct. The sensor assembly includes a tube with a longitudinal axis disposed in a substantially laminar flow region of the inlet duct, and a flow conditioner disposed in the tube. A hot wire sensor disposed in the tube is also provided. | 07-31-2014 |
| 20140208759 | APPARATUS AND METHOD FOR REDUCING OIL MIST INGESTION IN A HEAVY DUTY GAS TURBINE ENGINE - A lubrication system for a heavy duty gas turbine includes a bearing lubrication assembly coupled to the bearing and an oil and vapor extraction assembly disposed in a cavity defined by a bell mouth hood in an air inlet duct. A high volume vacuum blower is coupled to the oil and vapor extraction assembly to provide a relative negative pressure. An oil and vapor separator is disposed downstream from the high volume vacuum blower. The lubrication system also includes a control subsystem that maintains a cavity pressure lower than an air inlet pressure. | 07-31-2014 |
| 20140208764 | SYSTEMS AND METHODS FOR MEASURING A FLOW PROFILE IN A TURBINE ENGINE FLOW PATH - A method and system for measuring a flow profile in a portion of a flow path in a turbine engine is provided. The system includes a mass flow sensor assembly having a plurality of hot wire mass flow sensors, the mass flow sensor assembly disposed in the portion of the flow path at a location where the flow profile is to be measured. The system also includes a controller that converts signals from the temperature sensor, the pressure sensor and the plurality of hot wire mass flow sensors to flow profile measurements. | 07-31-2014 |
| 20140208765 | Systems And Methods To Extend Gas Turbine Hot Gas Path Parts With Supercharged Air Flow Bypass - A system and method for supercharging a combined cycle system includes a forced draft fan providing a variable air flow. At least a first portion of the air flow is directed to a compressor and a second portion of the airflow is diverted to a heat recovery steam generator. A control system controls the airflows provided to the compressor and the heat recovery steam generator. The system allows a combined cycle system to be operated at a desired operating state, balancing cycle efficiency and component life, by controlling the flow of air from the forced draft fan to the compressor and the heat recovery steam generator. | 07-31-2014 |
| 20140208942 | Method, Apparatus, And System For Air Filter Cleaning - Disclosed are methods, apparatuses, and systems for generating an alert message based on a determined crossing of a weight threshold of a filter. | 07-31-2014 |
| 20140210217 | Gas Turbine Under Frequency Response Improvement System and Method - A system and method is provided that improves the under frequency response of gas turbines by providing a fast-response power augmentation system. The system includes a tank storing a blended mixture of motive fuel such as ethanol or methanol and demineralized water in a predetermined ratio that is provided as a diluent to be injected into the compressor bellmouth, the Compressor Discharge Chamber (CDC), and/or the combustion system via one to three dedicated circuits. To achieve the instantaneous injection of the diluent at the correct pressure and for the appropriate duration to meet the needs of the gas turbine Grid compliance mandate, an accumulator is used as the motive force to drive the augmentation fluid in the dedicated circuits. The injected diluent is microprocessor controlled to either be simultaneous into all three circuits or is sequenced based on a determination of the best turbine control and performance. | 07-31-2014 |
| 20140210984 | System, Apparatus, And Method For Gas Turbine Leak Detection - Disclosed are systems, apparatuses, and methods for monitoring fluid passage. In an embodiment, a device may receive a thermographic image of a region comprising a fluid passage. Subsequently the device may determine that the thermographic image comprises an image pattern indicative of a degraded portion of the fluid passage. | 07-31-2014 |
| 20140286766 | Compressor Casing Assembly Providing Access To Compressor Blade Sealing Assembly - A compressor casing assembly includes a forward compressor casing, a removable cover and a seal assembly. A midcompressor casing is provided with a cavity adapted to receive the seal assembly, and a cover groove adapted to receive the removable cover. The removable cover secures the seal assembly. | 09-25-2014 |
| 20150044031 | AIR DISRUPTION SYSTEM FOR AN ENCLOSURE - An air disruption system for an enclosure includes an air delivery system, at least one plenum including an inlet fluidically connected to the air delivery system and at least one outlet, and a controller operatively connected to the air delivery system. The controller is configured and disposed to selectively cause one or more discrete amounts of air to pass into the at least one plenum and flow through the outlet creating a localized air disruption. | 02-12-2015 |
| 20150056066 | COMPRESSOR WASH SYSTEM WITH SPHEROIDS - The present application thus provides a cleaning system for use with a compressor of a turbine engine. The cleaning system may include a wash nozzle positioned about the compressor and a spheroid injection port to inject a number of spheroids therein. | 02-26-2015 |
| 20150056912 | SYSTEM ENCLOSURE VENTILATION MONITORING SYSTEM - A system enclosure ventilation monitoring system includes a controller having an enclosure temperature input configured to receive signals indicating internal temperatures of the system enclosure, an air circulating device speed input configured to receive signals indicating operating speed of at least one air circulating device, and a damper position input configured to receive a damper position signal and an output. The controller is configured and disposed to set damper position through the output based on at least one of the air circulating device speed input and the enclosure temperature input. | 02-26-2015 |
| 20150075170 | METHOD AND SYSTEM FOR AUGMENTING THE DETECTION RELIABILITY OF SECONDARY FLAME DETECTORS IN A GAS TURBINE - Systems and methods for operating a gas turbine combustion system by generating a flame detection signal are provided. A set of modeled parameters expected when there is a flame in a secondary combustion zone is calculated. A set of measured gas turbine parameters is measured. A flame validation signal based on the set of measured parameters and the set of modeled parameters is generated. The systems include a subsystem that calculates a set of modeled parameters expected when there is a flame in the secondary combustion zone and a subsystem that measures a set of measured parameters. A subsystem generates a flame validation signal based on the set of measured parameters and the set of modeled parameters. | 03-19-2015 |
| 20150076821 | System And Method To Minimize Grid Spinning Reserve Losses By Pre-Emptively Sequencing Power Generation Equipment To Offset Wind Generation Capacity Based On Geospatial Regional Wind Conditions - A system and method to preemptively adjust power generation of one or more non-wind power generators based on near term wind generation capability, spinning reserve margin, and/or power grid spinning reserve forecast requirements to offset wind power generation based on geospatial regional wind conditions. | 03-19-2015 |
| 20150081124 | System And Method To Minimize Grid Spinning Reserve Losses By Pre-Emptively Sequencing Power Generation Equipment To Offset Solar Generation Capacity Based On Geospatial Regional Solar And Cloud Conditions - A system and method to preemptively adjust power generation of one or more non-solar power generators based on near term solar generation capability, spinning reserve margin, and/or power grid spinning reserve forecast requirements to offset solar power generation based on geospatial regional solar conditions. | 03-19-2015 |
| 20150099429 | REFURBISHING SYSTEM - A system for refurbishing at least one article attached to an assembly includes a refurbishing vessel that contains at least one wall and at least one open portion; means for providing an abrasive media to the vessel, wherein the abrasive media is caused to flow around the surfaces of the at least one article when the vessel is positioned on the at least one article; means for conformably sealing the at least one open portion against the flow of abrasive media, wherein a seal is created that conforms to the contours of the at least one article and prevents the abrasive media from escaping between the at least one article and the at least one wall; and means for removing the abrasive media from the vessel. | 04-09-2015 |
| 20150101401 | Method And System For Determining Wind Turbine Reliability - Disclosed are methods and systems to determine a reliability forecast for a wind turbine. In an embodiment, a method may comprise obtaining an environmental factor of a wind turbine based on geospatial data of a first area and location data of a second area, obtaining an operating factor of the wind turbine, and determining a reliability forecast based on the environmental factor and the operating factor. | 04-16-2015 |
| 20150106059 | Method And System For Determining Power Plant Machine Reliability - Disclosed are methods and systems to determine a power plant machine reliability forecast. In an embodiment, a method may comprise obtaining an environmental factor of a power plant machine based on geospatial data of a first area and location data of a second area, obtaining an operating factor of the power plant machine, and determining a reliability forecast based on the obtained environmental factor and the obtained operating factor. | 04-16-2015 |
| 20150107254 | Method and System for Improving the Efficiency of a Simple Cycle Gas Turbine System With a Closed Circuit Fuel Heating System - A closed circuit fuel heating system is provided for heating at least two types of fuel. The heating system includes a heat transfer subsystem disposed in a gas turbine system exhaust. A first heat exchange subsystem is coupled to a first fuel source and the heat transfer subsystem. The first heat exchange subsystem is provided with a control component for controlling a flow of a working fluid through the first heat exchange subsystem. A second heat exchange subsystem may be coupled to a second fuel source and the heat transfer subsystem. The second heat exchange subsystem is provided with a control component for controlling a flow of the working fluid through the second exchange subsystem. A subsystem for controlling the temperature of the working fluid is also provided. | 04-23-2015 |
| 20150114221 | Gas Turbine Inlet Air Filter Cleaning Control - A gas turbine inlet air filter house control system may obtain geospatial data for an area in which a gas turbine is located. The gas turbine inlet air filter house control system may determine filter cleaning parameters for the gas turbine based on the geospatial data and control the initiation and duration of the inlet air filter cleaning process. | 04-30-2015 |
| 20150121888 | GAS TURBINE ONLINE WASH CONTROL - A gas turbine online wash control system may obtain geospatial data for an area in which a gas turbine is located. The gas turbine online wash control system may determine wash control parameters for the gas turbine based on the geospatial data. | 05-07-2015 |
| 20150159505 | GAS TURBINE ORGANIC ACID BASED INTER-RINSE - A gas turbine wash control system may perform a wash and a rinse of a gas turbine that is offline. An inter-rinse solution may be injected into the gas turbine. The gas turbine may be agitated and the inter-rinse solution drained. A second rinse of the gas turbine may be performed followed by the injection of an anticorrosive solution into the gas turbine. | 06-11-2015 |
| 20150159506 | GAS TURBINE PERACETIC ACID SOLUTION INTER-RINSE - A gas turbine wash control system may perform a wash and a rinse of a gas turbine that is offline. An peracetic acid inter-rinse solution may be injected into the gas turbine. The gas turbine may be agitated and the peracetic acid inter-rinse solution drained. A second rinse of the gas turbine may be performed followed by the injection of an anticorrosive solution into the gas turbine. | 06-11-2015 |
| 20150159509 | Method and System for Dispensing Gas Turbine Anticorrosive Protection - Methods and systems for dispersing anticorrosive treatment for a turbine engine may incorporate an inlet bleed heat system. In an embodiment, a method may include selecting an anticorrosion fluid for a turbine engine and distributing the anticorrosion fluid via a vaporizing system fluidly connected with the turbine engine, wherein the vaporizing system is used to transform the anticorrosion fluid into a vapor. | 06-11-2015 |
| 20150159510 | Method and System for Dispensing Gas Turbine Anticorrosive Protection - Methods and systems for dispersing an anticorrosion fluid to a turbine engine may be done while the turbine engine is online or offline. In an embodiment, a method may comprise selecting an anticorrosion fluid for a turbine engine and distributing the anticorrosion fluid into an air duct fluidly connected with the turbine engine. | 06-11-2015 |
| 20150159556 | GAS TURBINE ENGINE SYSTEMS AND METHODS FOR IMPARTING CORROSION RESISTANCE TO GAS TURBINE ENGINES - Methods and systems for imparting corrosion resistance to gas turbine engines are disclosed. Existing and/or supplemental piping is connected to existing compressor section air extraction and turbine section cooling air piping to supply water and anti-corrosion agents into areas of the gas turbine engine not ordinarily and/or directly accessible by injection of cleaning agents into the bellmouth of the turbine alone and/or repair methods. An anti-corrosion mixture is selectively supplied as a liquid-steam mixture to the compressor and/or the turbine sections of the gas turbine engine to coat the gas turbine engine components therein with a metal passivation coating which mitigates corrosion in the gas turbine engine. | 06-11-2015 |
| 20150159557 | GAS TURBINE ENGINE SYSTEMS AND METHODS FOR IMPARTING CORROSION RESISTANCE TO GAS TURBINE ENGINES - Methods and systems for imparting corrosion resistance to gas turbine engines are disclosed. Existing and/or supplemental piping is connected to existing compressor section air extraction piping and turbine section cooling air piping to supply water and anti-corrosion agents into areas of the gas turbine engine not ordinarily and/or directly accessible by injection of cleaning agents into the bellmouth of the turbine alone and/or repair methods. An anti-corrosion mixture is selectively supplied as an aqueous solution to the compressor and/or the turbine sections of the gas turbine engine to coat the gas turbine engine components therein with a metal passivation coating which mitigates corrosion in the gas turbine engine. | 06-11-2015 |
| 20150159558 | Method And System For Dispensing Gas Turbine Anticorrosion Fluid - Disclosed herein are methods and systems for dispensing turbine engine anticorrosive protection. In an embodiment, a method may include selecting an anticorrosion fluid for a gas turbine engine and applying the anticorrosion fluid to the gas turbine engine. | 06-11-2015 |
| 20150159559 | Method and System for Compressor On Line Water Washing With Anticorrosive Solution - Methods and systems may dispense turbine engine anticorrosive protection. In an embodiment, a method may include determining a condition of a gas turbine engine while the gas turbine engine is online, wherein the condition includes the power output level of the gas turbine engine and applying, based on the condition, an anticorrosion fluid to the gas turbine engine while the gas turbine engine is online. | 06-11-2015 |
| 20150197712 | APPARATUS, METHOD, AND SOLVENT FOR CLEANING TURBINE COMPONENTS - A cleaning method and a cleaning fluid are provided. The cleaning method includes accessing a plurality of turbine components attached to a turbine assembly, the turbine assembly being a portion of a turbomachine, positioning at least one cleaning vessel over at least one of the turbine components, forming a liquid seal with a sealing bladder, providing a cleaning fluid to the cleaning vessel, and draining the cleaning fluid from the cleaning vessel. The cleaning fluid includes a carrier fluid and a solvent additive for removing fouling material from the turbine component. An alternative cleaning method is also provided. | 07-16-2015 |
| 20150198059 | GAS TURBINE MANUAL CLEANING AND PASSIVATION - A gas turbine engine may be manually cleaned by removing a compressor casing and a turbine casing from the gas turbine engine, cleaning stator vanes of the gas turbine engine, and applying an organic acid solution to metallic surfaces of the gas turbine engine. The organic acid solution may be rinsed from the gas turbine engine and an anticorrosive solution may be applied to the metallic surfaces of the gas turbine engine. | 07-16-2015 |
| 20160040596 | TURBOMACHINE SYSTEM INCLUDING AN INLET BLEED HEAT SYSTEM AND METHOD OF OPERATING A TURBOMACHINE AT PART LOAD - A turbomachine system includes a compressor portion having at least one compressor extraction, a turbine portion operatively connected to the compressor portion, and a combustor assembly including at least one combustor fluidically connected to the compressor portion and the turbine portion. A heat recovery steam generator (HRSG) is fluidically connected to the turbine portion, and an air inlet system is fluidically connected to the compressor portion. An inlet bleed heat (IBH) system is fluidically connected to each of the compressor portion, the air inlet system and the HRSG. An inlet bleed heat (IBH) system includes a first conduit having a first valve fluidically connecting the compressor extraction and the air inlet system, and a second conduit including a second valve connecting one of the HRSG and a secondary stream source with the first conduit. | 02-11-2016 |
| 20160061060 | COMBINED CYCLE POWER PLANT THERMAL ENERGY CONSERVATION - A combined cycle power plant comprises a compressor, a combustion section including a compressor discharge casing which is disposed downstream from the compressor, a turbine disposed downstream from the combustion section and an exhaust duct disposed downstream from the turbine section. The compressor, the compressor discharge casing, the turbine and the exhaust duct define a primary flow passage through the gas turbine. A heat recovery steam generator is in thermal communication with the exhaust duct and in fluid communication with a steam turbine. A blower is in fluid communication with the primary flow passage upstream from the heat recovery steam generator such that the blower draws compressed air from the primary flow passage during turning gear operation of the gas turbine. | 03-03-2016 |
| 20160061061 | COMBINED CYCLE POWER PLANT THERMAL ENERGY CONSERVATION - A combined cycle power plant includes a gas turbine having a primary flow passage, a heat recovery steam generator having a heat exchanger disposed downstream from the primary flow passage, an exhaust stack in fluid communication with the primary flow passage and disposed downstream from the heat recovery steam generator and a reversible turning gear coupled to a rotor shaft of the gas turbine. The reversible turning gear counter rotates the rotor shaft during turning gear counter rotation operation of the gas turbine and reverses flow of combustion exhaust gas from the exhaust stack through the heat exchanger and back into the primary flow passage of the gas turbine, thereby conserving thermal energy stored in the heat recovery steam generator. A method for conserving thermal energy of a combined cycle power plant during counter rotation turning gear operation of the gas turbine is also disclosed. | 03-03-2016 |
| 20160076389 | SYSTEM AND METHOD FOR PROVIDING A FILM TREATMENT TO A SURFACE USING INLET BLEED HEAT MANIFOLD - Disclosed herein are systems and methods for treating a surface, such as a gas turbine surface, with a filming agent using an inlet bleed heat manifold. A filming control system includes a storage tank configured to contain a filming agent; an inlet bleed heat manifold; and a supply conduit coupled to the storage tank on a first end and the inlet bleed heat manifold on a second end; wherein the filming control system is configured to deliver the filming agent from the storage tank and to discharge the filming agent through the inlet heat bleed manifold and the filming agent includes siloxane, fluorosilane, mercapto silane, amino silane, tetraethyl orthosilicate, succinic anhydride silane, or a combination including at least one of the foregoing. | 03-17-2016 |
| 20160076455 | METHOD AND SYSTEM TO PROTECT A SURFACE FROM CORROSIVE POLLUTANTS - Disclosed herein are systems and methods for protecting a surface from corrosive pollutants. A method includes detecting airborne corrosive pollutants proximate to a surface using at least one sensor adapted to detect a concentration of the airborne corrosive pollutants and/or one or more types of airborne corrosive pollutants, the concentration of the airborne corrosive pollutants being an instantaneous concentration value or a time-weighted-integrated concentration value; selecting a fluid to deliver to at least a portion of the surface based upon a predetermined type and/or concentration of the airborne corrosive pollutants detected by the at least one sensor; and initiating a fluid treatment to deliver the selected fluid such that the selected fluid contacts the at least a portion of the surface. | 03-17-2016 |
| 20160076456 | SYSTEM AND METHOD FOR PROVIDING A WASH TREATMENT TO A SURFACE - Methods and systems for washing a surface, such as a gas turbine surface, are provided. A wash control system includes a storage tank configured to contain a cleaning agent, a plurality of nozzles, and a supply conduit coupled to the storage tank on a first end and the plurality of nozzles on a second end, wherein the wash control system is configured to deliver the cleaning agent from the storage tank and to discharge the cleaning agent through the plurality of nozzles and the cleaning agent includes an ethylene oxide-propylene oxide block copolymer, sodium dodecyl benzene sulphonate, sodium lauryl sulphate, or a combination including at least one of the foregoing. | 03-17-2016 |
| 20160076457 | SYSTEM AND METHOD FOR PROVIDING A FILM TREATMENT TO A SURFACE - Disclosed herein are methods and systems for treating a surface, such as a gas turbine surface, with a filming treatment. The system includes a storage tank configured to contain a filming agent, a plurality of nozzles, and supply conduit coupled to the storage tank on a first end and the plurality of nozzles on a second end, wherein the system is configured to deliver the filming agent from the storage tank and to discharge the filming agent through the plurality of nozzles and the filming agent includes siloxane, fluorosilane, mercapto silane, amino silane, tetraethyl orthosilicate, succinic anhydride silane, or a combination including at least one of the foregoing. | 03-17-2016 |
| 20160076458 | SYSTEM AND METHOD FOR PROVIDING A FILM TREATMENT TO A SURFACE USING COOLING DEVICES - Disclosed herein are systems and methods for treating a surface, such as a gas turbine surface, with a filming agent using an inlet air cooling device. A filming control system includes a storage tank configured to contain a filming agent; an inlet air cooling device; and a supply conduit coupled to the storage tank on a first end and the inlet air cooling device on a second end; wherein the filming control system is configured to deliver the filming agent from the storage tank and to discharge the filming agent through the air inlet cooling device and the filming agent includes siloxane, fluorosilane, mercapto silane, amino silane, tetraethyl orthosilicate, succinic anhydride silane, or a combination including at least one of the foregoing. | 03-17-2016 |
| 20160084728 | TURBINE LEAK DETECTION SYSTEM - Various embodiments include a leak detection system for a turbine compartment. In some embodiments, the leak detection system includes: a tracer fluid system fluidly connected with the turbine compartment, the tracer fluid system configured to provide an optically detectable fluid to a fluid supply of the turbine compartment; an optical detection system operably connected to the turbine compartment, the optical detection system configured to detect the presence of the optically detectable fluid in at least one location of the turbine compartment; and a control system operably connected to the tracer fluid system and the optical detection system, the control system configured to obtain data about the presence of the optically detectable fluid in the at least one location, and provide an indicator indicating a potential leak location based upon the data about the presence of the optically detectable fluid in the at least one location. | 03-24-2016 |
| Patent application number | Description | Published |
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| 20140096827 | GAS TURBINE ENGINE WITH A MULTIPLE FUEL DELIVERY SYSTEM - The present application provides a multiple fuel delivery system for use with a gas turbine engine. The multiple fuel delivery system may include a first fuel tank with a first fuel therein, a second fuel tank with a second fuel therein, a mixing chamber, and a flow divider downstream of the mixing chamber. The first fuel tank may be in communication with the mixing chamber via a first fuel pump and the second fuel tank may be in communication with the mixing chamber via a second fuel pump. | 04-10-2014 |
| 20140126991 | SYSTEMS AND METHODS FOR ACTIVE COMPONENT LIFE MANAGEMENT FOR GAS TURBINE ENGINES - The present application thus provides an active cooling system for a compressor and a turbine of a gas turbine engine. The active cooling system may include an air extraction pipe extending from the compressor to the turbine, a heat exchanger positioned about the air extraction pipe, and an external air cooling system in communication with the air extraction pipe. | 05-08-2014 |
| 20140126998 | Compressor Bellmouth with a Wash Door - The present application thus provides a compressor wash system for use about a bellmouth of a compressor of a gas turbine engine. The compressor wash system may include a bellmouth wash nozzle positioned about the bellmouth of the compressor and a wash door assembly positioned about a lower half of the bellmouth such that the wash door assembly may be closed when the bellmouth wash nozzle is activated. | 05-08-2014 |
| 20140137564 | Mitigation of Hot Corrosion in Steam Injected Gas Turbines - Systems and methods for mitigation of hot corrosion in steam injected gas turbine. In one embodiment, a steam injection system can provide for automatic injection of steam in a gas turbine for NOx abatement and power augmentation. The system can obtain indications as to whether the steam to be injected meets the requirements of the gas turbine in terms of purity and quality. If the quality or purity is not adequate, steam the injection into the combustor or compressor discharge casing (CDC) is automatically inhibited. The system may also monitor the dynamic pressure oscillations inside the combustor. The system may modulate steam flows modulates to enhance the total steam flow while maintaining the dynamic oscillations within acceptable limits. | 05-22-2014 |
| 20150202561 | AIR FILTER WITH FOLDED PLEATS - An air filter includes a filter material having a plurality of pleats, where each of the pleats includes a primary section and a folded section. The folded section is initially folded over at least a portion of the primary section such that the pleat has an initial pleat height. The folded section is configured to unfurl from being folded over the primary section based on a pressure differential between opposite sides of the filter material. | 07-23-2015 |
| 20150322861 | Enhanced Turbine Cooling System Using a Blend of Compressor Bleed Air and Ambient Air - The present application provides a gas turbine engine for low turndown operations. The gas turbine engine may include a compressor with a compressor bleed air flow, an ambient air source with an ambient air flow, a turbine, and an eductor. The eductor blends the compressor bleed air flow and the ambient air flow into a blended air flow for use in cooling the turbine. | 11-12-2015 |
| 20150322865 | Turbine Cooling System Using an Enhanced Compressor Air Flow - The present application provides a gas turbine engine for low turndown operations. The gas turbine engine may include a compressor with a compressor bleed air flow, a turbine, and a compressor bleed air flow manifold. The compressor bleed air manifold directs a variable portion of the compressor bleed air flow to the turbine. | 11-12-2015 |
| 20150322866 | Enhanced Turbine Cooling System Using a Blend of Compressor Bleed Air and Turbine Compartment Air - The present application provides a gas turbine engine for low turndown operations. The gas turbine engine may include a compressor with a compressor bleed air flow, a turbine compartment with a turbine compartment air flow, a turbine, and an eductor. The eductor blends the compressor bleed air flow and the turbine compartment air flow into a blended air flow for use in cooling the turbine. | 11-12-2015 |
| 20150345390 | SYSTEMS AND METHODS FOR DE-ICING INLET SCREENS AND DEHUMIDIFYING INLET AIR FILTERS FOR GAS TURBINE ENGINES - Systems and methods for de-icing an inlet screen and dehumidifying an inlet air filter in a gas turbine engine are disclosed herein. In one embodiment, a method may include determining a current inlet screen temperature. The method also may include determining a desired inlet screen temperature. If the current inlet screen temperature is less than the desired inlet screen temperature, the method may further include determining a first amount of gas turbine compartment ventilation discharge air necessary to achieve the desired inlet screen temperature, extracting the first amount of gas turbine compartment ventilation discharge air, and conveying the first amount of gas turbine compartment ventilation discharge air to the inlet screen. | 12-03-2015 |
| 20150345393 | SYSTEMS AND METHODS FOR UTILIZING GAS TURBINE COMPARTMENT VENTILATION DISCHARGE AIR - Systems and methods for utilizing gas turbine compartment ventilation discharge air. In one embodiment, a system may include a gas turbine engine having a compressor. The system also may include a gas turbine compartment disposed about the gas turbine engine. Moreover, the system may include an inlet bleed heat (IBH) manifold in fluid communication with the compressor. The gas turbine compartment may be in fluid communication with the IBH manifold for providing the IBH manifold with ventilation discharge air from the gas turbine compartment. | 12-03-2015 |
| 20150345401 | SYSTEMS AND METHODS FOR PREHEATING FUEL FOR GAS TURBINE ENGINES - Systems and methods for preheating fuel in a gas turbine engine are provided. In one embodiment, a system may include a gas turbine engine, a fuel line in fluid communication with the gas turbine engine, a gas turbine compartment disposed about the gas turbine engine, and a first conduit in fluid communication with the gas turbine compartment. The first conduit may include ventilation discharge air from the gas turbine compartment. The system also may include a first heat exchanger in communication with the fuel line and the first conduit. The first heat exchanger may be configured to exchange heat between the fuel and the ventilation discharge air from the gas turbine compartment. | 12-03-2015 |
| 20150354403 | OFF-LINE WASH SYSTEMS AND METHODS FOR A GAS TURBINE ENGINE - The present application and the resultant patent provide a wash system for a gas turbine engine. The wash system may include a water source containing a volume of water therein, and a surface filming agent source containing a volume of a surface filming agent therein. The wash system also may include a mixing chamber in fluid communication with the water source and the surface filming agent source, wherein the mixing chamber is configured to mix the water and the surface filming agent therein to produce a film-forming mixture. The film-forming mixture may be a liquid-gas mixture of the surface filming agent in a liquid phase and the water in a gaseous phase. The wash system further may include a number of supply lines in fluid communication with the mixing chamber, wherein the supply lines are configured to direct the film-forming mixture into the gas turbine engine. | 12-10-2015 |
| 20150354404 | OFF-LINE WASH SYSTEMS AND METHODS FOR A GAS TURBINE ENGINE - The present application and the resultant patent provide a wash system for a gas turbine engine. The wash system may include a water source containing a volume of water therein, and a surface filming agent source containing a volume of a surface filming agent therein. The wash system also may include a mixing chamber in fluid communication with the water source and the surface filming agent source, wherein the mixing chamber is configured to mix the water and the surface filming agent therein to produce a film-forming mixture. The wash system further may include an aerosolizing device in fluid communication with the mixing chamber and configured to form an aerosol spray of the film-forming mixture and a propellant. The wash system still further may include a number of supply lines in fluid communication with the aerosolizing device and configured to direct the aerosol spray into the gas turbine engine. | 12-10-2015 |
| 20150354462 | OFF-LINE WASH SYSTEMS AND METHODS FOR A GAS TURBINE ENGINE - The present application and the resultant patent provide a wash system for a gas turbine engine. The wash system may include a water source containing a volume of water therein, and a surface filming agent source containing a volume of a surface filming agent therein. The wash system also may include a mixing chamber in fluid communication with the water source and the surface filming agent source, wherein the mixing chamber is configured to mix the water and the surface filming agent therein to produce a film-forming mixture. The wash system further may include a number of supply lines in fluid communication with the mixing chamber, wherein the supply lines are configured to direct the film-forming mixture into the gas turbine engine. The present application and the resultant patent also provide a related method of washing a gas turbine engine to remove contaminants therefrom. | 12-10-2015 |
