Abstract: The present invention discloses a novel apparatus and method for operating a gas turbine combustor having a structural configuration proximate a pilot region of the combustor which seeks to minimize the onset of thermo acoustic dynamics. The pilot region of the combustor includes a generally cylindrical extension having an outlet end with an irregular profile which incorporates asymmetries into the system so as to destroy any coherent structures.

Abstract: The present invention discloses a novel apparatus and way for controlling a velocity of a fuel-air mixture entering a gas turbine combustion system. The apparatus comprises a hemispherical dome assembly which directs a fuel-air mixture along a portion of the outer wall of a combustion liner and turns the fuel-air mixture to enter the combustion liner in a manner coaxial to the combustor axis and radially outward of a pilot fuel nozzle so as to regulate the velocity of the fuel-air mixture.

Abstract: A combustor for a gas turbine engine includes an forward fuel injection system in communication with a combustion chamber and a downstream fuel injection system that communicates with the combustion chamber downstream of the forward fuel injection system.

Abstract: A gas turbine engine comprises a compressor, a combustor, a turbine, and an electronic engine control system. The compressor, combustor, and turbine are arranged in flow series. The electronic engine control system is configured to estimate combustor fuel-air ratio based on a realtime model-based estimate of combustor airflow, and commands engine actuators to correct for a difference between the estimated combustor fuel-air ratio and a limit fuel-air ratio selected to avoid lean blowout.

Abstract: An apparatus and method for controlling a pressure drop of a fluid is disclosed. A sleeve includes a plurality of flow passages in a wall of the sleeve. A member slides relative to the sleeve to reveal at least a portion of the plurality of flow passages to control flow of the fluid through the flow passages. The plurality of flow passages are at azimuthally- and axially-staggered locations around the sleeve.

Abstract: A fuel injector nozzle assembly includes a body extending along an axis and a core swirl plug positioned at least partially within the body. The core swirl plug has a flow modifying structure configured to swirl fuel at a location upstream from a distal end of the nozzle assembly.

Abstract: A cooling system for a gas turbine engine (10). The system is comprises a fuel air heat exchanger (78) comprising a fuel passage (80) in thermal contact with an engine cooling air passage (82). The system further comprises a fuel deoxygenator (72) located upstream of the fuel air heat exchanger (78) configured to deliver deoxygenated fuel to the fuel air heat exchanger fuel passage (80). The system includes a valve (84) configured to moderate engine cooling air flow to the engine cooling air passage (82).

Abstract: The present invention discloses a novel apparatus and method for a mixing fuel and air in a gas turbine combustion system. The mixer helps to mix fuel and air while being able to selectively increase the fuel flow to a shear to a shear layer of a pilot flame in order to reduce polluting emissions. The mixer directs a flow of air radially inward into the combustion system and includes two sets of fuel injectors within each radially-oriented vane. A first plurality of fuel injectors operate independent of a second plurality of fuel injectors and the second plurality of fuel injectors are positioned to selectively modulate the fuel flow to the shear layer of the resulting pilot flame.

Abstract: An anti-vortex assembly for a gas turbine engine includes a support ring including a seat surrounding an opening and a bleed tube including a base with a bearing face sealing against the seat. A retaining ring is mounted within the support ring and engages the base of the bleed air tube to hold the bleed tube within the support ring.

Abstract: A wall assembly includes a wall that extends axially along a centerline, and circumferentially at least partially around the centerline. The wall assembly also includes a plurality of mounting brackets arranged circumferentially around the centerline, and a plurality of wall brackets. Each of the mounting brackets includes a groove that extends axially into the respective mounting bracket. Each of the wall brackets includes a tongue and a base. The tongue extends axially from the base into the groove of a respective one of the mounting brackets. The base is connected to the wall.

Abstract: A support hanger is provided for a turbine engine. The support hanger includes a pin with a pin head, a retainer and a flexible seal. The retainer is pivotally connected to the pin head. The retainer includes a seal bearing surface facing towards the pin head. The seal includes a retainer bearing surface sealingly engaging the seal bearing surface.

Abstract: The present invention discloses a novel apparatus and way for altering the airflow to a gas turbine combustion system. The apparatus comprises a flow divider mechanism which splits the airflow surrounding a combustion liner into two distinct portions, one directed towards a pilot and one directed towards a main stage combustion. The flow divider mechanism is interchangeable so as to provide a way of altering airflow splits between stages of the combustion system.

Abstract: An airfoil array is disclosed. The airfoil array may include an endwall, and a plurality of airfoils radially projecting from the endwall. Each airfoil may have a first side and an opposite second side extending axially in chord between a leading edge and a trailing edge. The airfoil array may further include a convex profiled region extending from the endwall adjacent the first side of at least one of said plurality of airfoils and near the leading edge of the at least one of said plurality of airfoils. The airfoil array may further include a concave profiled region in the endwall adjacent the first side of said at least one of said plurality of airfoils and aft of the convex profiled region.

Abstract: A heat shield is disclosed. The heat shield may comprise a body having a back surface and an opposite front surface, wherein an opening in the body communicates through the front and back surfaces. The heat shield may further comprise at least one radial rail disposed on the back surface and extending radially outward from the opening for directing cooling air flow.

Abstract: The electronic control has an electric control which incorporates circuitry which will generate heat in use. A cooling channel placed in contact with at least one surface on the electric control. The cooling channel has a portion which receives an enhanced heat transfer surface. At least one electrode pair is mounted on an inlet channel portion upstream of the portion of the channel that receives the enhanced heat transfer surface. A source of current is provided for the electrode. The electrode induces an electric field in the inlet channel, to drive a dielectric fluid across the enhanced heat transfer surfaces.

Abstract: A cryocooler-based gas scrubber, or cryocooler-based gas purifier, utilizes the cooling power of a cryocooler to cool and condense cryogen gas forming coalesced impurities which are then filtered through a filter matrix, such as for example a fiberglass filter matrix. The scrubber may further comprise a counter-flow heat exchanger for warming the purified gas prior to dispensing at an outlet for storage or consumption.

Abstract: A refrigeration cycle is operated in conjunction with various thermodynamic cycle working fluid circuits to cool a target fluid that may be used in a separate system or duty. In one embodiment, the refrigeration cycle includes an ejector that extracts a motive fluid from the working fluid cycles in order to entrain a suction fluid that is also extracted from the working fluid circuits. Expanding the suction fluid reduces the pressure and temperature of the suction fluid for cooling the target fluid in an evaporator, which evaporates the suction fluid before being entrained into the ejector by the motive fluid. A mixed fluid is discharged from the ejector and injected into the working fluid circuits upstream from a condenser that cools the mixed fluid and the working fluid circulating throughout the working fluid circuits.

Abstract: A refrigerating and air-conditioning apparatus includes multiple refrigeration cycles each including a compressor, a four-way valve, an indoor heat exchanger, a pressure reducing device, and an outdoor heat exchanger which are connected by a pipe, each refrigeration cycle being configured to be capable of performing a cooling operation and a heating operation, an outdoor fan configured to send air for heat exchange with the outdoor heat exchangers of the refrigeration cycles, multiple indoor fans arranged corresponding to the respective indoor heat exchangers of the refrigeration cycles, and a controller configured to defrost the outdoor heat exchanger of the at least one refrigeration cycle, control a rotation speed of the indoor fan corresponding to the refrigeration cycle performing the defrosting operation such that a temperature of air mixed by air-sending through the indoor fans reaches a predetermined temperature.

Abstract: A refrigerant container, which is in particular suitable for use in a cooling system designed for operation with a two-phase refrigerant, includes a receiving space for receiving a refrigerant that is disposed in an interior of the refrigerant container. Disposed in the receiving space of the refrigerant container is a heat exchanger allowing passage of a further refrigerant therethrough and being configured to remove heat from refrigerant in the liquid and/or gaseous state of aggregation that is received in the receiving space in order to supercool the refrigerant and/or convert the refrigerant to the liquid state of aggregation.

Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a bypass duct configured to selectively receive a bypass airflow therethrough in response to a supply air pressure of the HVAC system and a supply air temperature of the HVAC system.

Abstract: An air-conditioning apparatus includes a controller which calculates a composition ratio of a refrigerant mixture using a high-pressure-side pressure of a refrigerant discharged from a compressor, a low-pressure-side pressure of a refrigerant to be sucked into the compressor, a high-pressure-side temperature of a refrigerant at an inlet side of a second expansion device in a high/low pressure bypass pipe, and a low-pressure-side temperature of a refrigerant at an outlet side of the second expansion device in the high/low pressure bypass pipe and which determines whether to open or close a bypass-channel opening/closing device.

Abstract: The present invention is an air cooling device that includes a base casing, an air flap disposed on top of the base casing that expels cool air from the base casing, a rotatable roll knob that allows a user to adjust a temperature of the expelled cool air and an attachment band attached to the base casing worn on by the user. There is also an air intake port that receives surrounding exterior air, a battery cover that covers and protects a battery housing, an activation switch, an enclosed mini-fan that provides suction to the surrounding air and a plurality of batteries that provide power to the air cooling device, where the batteries are housed in the battery housing.

Abstract: A heat pump system, including a main heat pump system and a directly expanded strong cool-heat radiation plate provided on the building surface and serving as the terminal of the main heat pump system. The directly expanded strong cool-heat radiation plate enables refrigerant in the main heat pump system to circulate therein. Since the heat pump system of the present application adopts the directly expanded strong cool-heat radiation plate as the terminal of the main heat pump system, refrigerant in the main heat pump system may exchange heat with air by means of the directly expanded strong cool-heat radiation plate directly, instead of secondary heat exchange of the refrigerant loop and the water circulation loop, thereby reducing loss in intermediate heat exchange, improving the heat exchange efficiency and heat utilization, and omitting the circulating pump for water circulation. An air-conditioner with the heat pump system is further disclosed.

Abstract: A motor-driven compressor includes a housing assembly, a compression mechanism, an electric motor, a discharge port, an outlet, a discharge passage, discharge valve and a valve device. The compression mechanism is accommodated in the housing assembly. The electric motor drives the compression mechanism. The discharge chamber is formed in the housing assembly. The discharge port is formed in the housing assembly for communication between the discharge chamber and the compression mechanism. The outlet is formed in the housing assembly for communication with an external circuit. The discharge passage is formed in the housing assembly for communication between the discharge chamber and the outlet. The discharge valve is disposed in the discharge chamber for opening and closing the discharge port. The valve device is configured to adjust an opening of the discharge passage.

Abstract: The present invention provides a capacity-control refrigeration cycle device capable of efficiently vary capacity, and in any of a full operation mode in which capacity of the refrigeration cycle device is not controlled and an operation mode in which the capacity is controlled, all of refrigerants are discharged into a hermetic container 1 and then, the refrigerants pass through a discharge path 11 and are guided to outside of the hermetic container 1. After a refrigerant and oil are sufficiently separated in the hermetic container 1, the refrigerant is discharged to outside of the hermetic container 1. Therefore, efficiencies of a condenser 300 and an evaporator 600 are not deteriorated. Since it is possible to reduce an amount of oil taken outside of the hermetic container, it is possible to stably secure oil in an oil reservoir 22, and to prevent bite of parts of a compressing mechanism and to prevent abnormal wearing.

Abstract: A flow control valve includes a housing forming internal passages in fluid communication with a port of the valve, and an internal cavity. A flow direction block is disposed in the internal cavity and forms at least one flow passage extending through a portion thereof. The flow direction block is moveable within the internal cavity such that the free ends of the least one flow passage can be selectively aligned with a respective internal passage along an interface as the flow direction block is moved from a first, closed position to a second, open position. A seal is disposed around each interface and includes an internal face, which presses against an outer surface of the flow direction block, and an external face, which presses against the housing. Sealing function is improved, at least in part, by a differential fluid pressure that acts on the seal.

Abstract: Systems and methods of CO2 desublimation are presented in which refrigeration content is retained within the system. Most preferably, refrigeration content is recycled by providing the refrigeration content of a CO2-lean feed gas to the CO2-containing feed gas and to pre-cooling of a desublimator, and/or by providing refrigeration of effluent of a desublimator in regeneration to a refrigerant in a closed refrigeration cycle for deep-cooling of another desublimator.

Abstract: A process and apparatus for separating a feed containing hydrogen, carbon monoxide, methane, and optionally nitrogen to form a product gas having a desired H2:CO molar ratio and optionally a hydrogen product gas and a carbon monoxide product gas. The feed is partially condensed to form a hydrogen-enriched vapor fraction and a carbon monoxide-enriched liquid fraction. The hydrogen-enriched vapor fraction and carbon monoxide-enriched liquid fraction are combined in a regulated manner to form an admixture, which is cryogenically separated to form the product mixture having the desired H2:CO molar ratio.

Abstract: The invention relates to a necklace cover, or sleeve, which covers jewelry that is worn around the neck. The necklace cover is designed to be worn at the back of a neck and is worn over a piece of jewelry to prevent tangling of hair, hair breakage, and/or damage to a persons clothing (e.g. snags or pulls) that often occurs when a person wears jewelry around the neck. Methods for preventing a wearer's hair from getting tangled in a jewelry composition worn around the neck of a wearer are also provided.

Abstract: A bracelet includes a plastic body having socket portions. Customizing pieces, with or without underlying filling bodies, are lodged in the socket portions. The customizing pieces may be transparent. Visible or audible effects are provided by ornamental elements associated with the customizing pieces, the filling bodies, or both. Interactions of these structures; mutually or with supplied external bodies; optical, mechanical, or magnetic; augment the effects.

Abstract: Apparatus including a flow channel defined by a floor, roof, and sidewall structure connecting the floor and roof. One or more combustion burners is positioned in either the roof, the sidewall structure, or both, and transfer heat to a molten mass of glass containing bubbles having a bubble atmosphere flowing through the flow channel. The burners contribute to formation of a channel atmosphere above the molten glass. Apparatus includes a device, at least a portion of which is positionable under a level of the molten glass in the flow channel, configured to emit a composition into the molten glass under the level to intimately contact the composition with the molten glass and bubbles therein. The composition diffuses into the bubbles to form modified atmosphere bubbles sufficiently different from the channel atmosphere to increase diffusion of a species in the channel atmosphere into the modified atmosphere bubbles.

Abstract: A vertical individual section (I.S.) machine for manufacturing glass containers is disclosed in which parisons made in parison molds are lowered into blow molds located under the parison molds without being inverted, where they are blown into glass containers. Optionally, reheat shrouds may be located vertically intermediate the blank molds and the blow molds to reheat the parisons prior to them being blown. The vertical I.S. machine may have multiple sections that are located close adjacent each other, with each section potentially having multiple blank and blow molds.

Abstract: Methods and systems for controlling bubble size and bubble decay rate of glass foams formed during submerged combustion melting. Flowing a molten mass of foamed glass comprising molten glass and bubbles entrained therein into an apparatus downstream of a submerged combustion melter. The downstream apparatus has a floor, a roof, and a sidewall structure connecting the floor and roof. The foamed glass has glass foam of glass foam bubbles on its top surface, and the downstream apparatus defines a space for a gaseous atmosphere above and in contact with the glass foam. The downstream apparatus includes heating components to heat or maintain temperature of the foamed glass. Adjusting composition of the atmosphere above the glass foam, and/or contacting the foam with a liquid or solid composition controls bubble size of the glass foam bubbles, and/or foam decay rate.

Abstract: Methods and systems for de-stabilizing foam produced in submerged combustion melters. A molten mass of glass and bubbles is flowed into an apparatus downstream of a submerged combustion melter. The downstream apparatus includes a floor, a roof and a wall connecting the floor and roof, but is devoid of submerged combustion burners and other components that would increase turbulence of the molten mass. The molten mass has foam on at least a portion of a top surface of the molten mass. One method includes directly impinging an impinging composition onto at least a portion of the foam in the downstream apparatus. Systems for carrying out the methods are described.

Abstract: A submerged combustion melter includes a floor, a roof, and a sidewall structure connecting the floor and roof defining an internal space. A first portion of the internal space defines a melting zone, and a second portion defines a fining zone immediately downstream of the melting zone. One or more combustion burners in either the floor, roof, the sidewall structure, or any combination of these, are configured to emit the combustion gases from a position under a level of, and positioned to transfer heat to and produce, a turbulent molten mass of glass containing bubbles in the melting zone. The fining zone is devoid of combustion burners or other apparatus or components that would increase turbulence above that in the melting zone. The melter may include a treating zone that stabilizes or destabilizes bubbles and/or foam. Processes of using the melters are a feature of the disclosure.

Abstract: Methods and systems for de-stabilizing foam produced in submerged combustion melters. A molten mass of glass and bubbles is flowed into an apparatus downstream of a submerged combustion melter. The downstream apparatus includes a floor, a roof and a wall connecting the floor and roof, but is devoid of submerged combustion burners and other components that would increase turbulence of the molten mass. The molten mass has foam on at least a portion of a top surface of the molten mass. Certain methods include imposing a de-stabilizing force directly to the foam or to the molten mass and foam, where the de-stabilizing force may be a vibratory force, an acoustic wave force, a particulate-based force, or a non-particulate-based mechanical force. Systems for carrying out the methods are described.

Abstract: An apparatus and technique are used to fabricate optical microresonators. A fabrication chamber contains all fabrication materials and devices. The microresonators are fabricated from a glass preform mounted on a motorized spindle. A laser is focused onto the preform to partly or fully impinge on the preform. The laser's focus position is controlled by changing the positioning of a lens mounted on a translation stage. Piezoelectric control elements may be mounted to finished microresonators to control of nonlinear parametric oscillation and four-wave mixing effects of the microresonator, control of nonlinear optical stimulated Brillouin scattering and Raman effects of said microresonator and wideband tuning of the frequency spacing between the output modes of a nonlinear-Kerr-effect optical frequency comb generated with said microresonator.

Abstract: Provided is a method of manufacturing a porous glass deposition body for optical fiber comprising depositing silica powder on a starting member being raised and rotated by using burners with different deposition positions. With a glass raw material flow rate supplied to a core deposition burner represented by F1 and a total flow rate of glass raw material supplied to a cladding deposition burner adjacent to the core deposition burner represented by F2, during an initial deposition stage occurring before gas conditions reach a stable state, glass raw material is supplied to points at the same longitudinal position of the deposition body such that a glass raw material flow rate ratio F2/F1 is no less than 0.69 and no greater than 1.03.

Abstract: A washing machine includes a rear panel mounted on a wall; a tub supported by the rear panel and configured to contain wash water; a front panel having an opening therein and on or in front of the tub; a rotatable drum in the tub; a driving unit providing power to the drum; a cover on the rear panel so as to cover the tub and the front panel; a water supply device supplying wash water to the tub; and a drain device having a drain filter in a wash water discharge path, the drain filter being configured to filter foreign matter in the wash water.

Abstract: A locking device includes a clamp for clamping on one side of a mobile electronic device, a cord member connected to the clamp, and a lock module including a housing, a locating block connected to the housing and movably sleeved onto the other end of the cord member and connectable to an opposite side of the mobile electronic device, a tightening up screw mounted in the locating block, a rotary knob for rotating the tightening up screw to lock the cord member to the locating block, and a rotating disc assembly for locking the rotary knob.

Abstract: A cylinder lock includes: an outer shell provided with a cylindrical hollow portion therein; a rotatable plug rotatably positioned in the hollow portion of the outer shell and provided with a keyway along a rotational axis of the rotatable plug for accommodating a key; a rotation arresting member which arrests rotation of the rotatable plug by projecting out from the rotatable plug into a pathway provided in the outer shell; a biasing member which biases the rotation arresting member in a projecting direction thereof from the rotatable plug; and a beveled edge provided at an end of the rotation arresting member and having a beveled surface intersecting a rotational direction of the rotatable plug. Insertion of the key into the keyway causes the beveled edge to move from the outer shell toward the rotatable plug to a position intersecting an inner circumference of the outer shell.

Abstract: A method and processes to solubilize and transform phosphorus contents of rock phosphate (RP) into bio-organo-phosphate (BOP) fertilizer have been developed and integrated. The methods include collecting and sorting of organic wastes; blending with RP; subjecting the blend to biocomposting; collection, isolation, selection and growth optimization of consortia of efficient phosphorus solubilizing microorganisms (PSM) and novel plant growth regulating microorganisms (PGRM); where in PSM produce organic acids and other organic compounds using compost substrate at mesophillic stage, whereas the organic acids released during composting also act in synergism of PSM, thus forming a carbon rich acidic culture resulting in the solubilization of rock phosphate.

Abstract: The present invention comprises methods and compositions comprising a microalgae consortium. A composition comprises at least one genera of microalgae flocculated by Paenibacillus polymyxa strain, Strain 2, deposited under the Budapest Treaty as ATCC Accession No. PTA-12841. Methods of treating the soil comprise adding a composition of the present invention to soil.

Abstract: An improved solvent system for the formulation and application of N-alkyl thiophosphoric triamide urease inhibitors. These formulations provide safety and performance benefits relative to existing alternatives and enable storage, transport and subsequent coating or blending with urea based or organic based fertilizers. These formulations are comprised primarily of environmentally friendly aprotic and protic solvents (particularly dimethyl sulfoxide and alcohols/polyols) to stabilize the urease inhibitor.

Abstract: The invention relates to a method for recovery of urea dust and ammonia from a gas stream by contacting said gas stream with an aqueous sulphuric acid solution, thus forming an acid solution of ammonium sulphate and urea, characterized in that the acid solution is concentrated to a melt comprising less than 5 wt % of water, which melt is subsequently transferred into solid particles comprising urea and ammonium sulphate.

Abstract: A pipe diameter expansion apparatus includes: a hollow cylindrical member that can be placed in a pipe filled with water, and through which a heat medium having a lower temperature than a freezing point of the water flows from one end to the other end; at least two plate-like fins provided to protrude outward from the cylindrical member; and a heat insulator that is provided between the two fins, and reduces heat transmission between inside and outside the cylindrical member.

Abstract: A device for the superplastic forming of a blank, in a mould with a lower and an upper mould, into a component. The blank in the mould can be subjected to pressure and temperature, and the blank has perforations, at least in some regions. The lower mould is formed at least partly with a permeable, in particular a gas permeable, drainage layer. As a consequence of the drainage layer, a blank with perforations can be formed directly, i.e., without further aids such as, e.g., a means of sealing, etc. and/or supplementary production operations, in the course of a superplastic forming process into a component, in particular into a suction component for an active aerodynamic surface of an aircraft, with a complex three-dimensional spatial shape. A simple, cost-effective and reliable process is enabled suitable for large production runs of components, which may be spherically curved in at least some regions.

Abstract: A tension leveler includes a work roll coming into contact with a metal sheet and a pair of backup rolls coming into contact with the work roll. A hardening layer harder than the inside of the backup rolls is formed on the surfaces of the backup rolls. The Shore hardness inside the backup rolls is lower than the Shore hardness in the surfaces of the backup rolls by HS23 to HS36.

Abstract: A roll stripper device includes a stripper mounted on a stripper support, a sensor and a processor in a control system. The sensor is adapted to provide a measurement of a distance to a work roll and the processor is adapted to determine a position of a tip of the stripper relative to the work roll, using the distance provided by the sensor. A method of determining a distance of a stripper from a work roll and a method of controlling a relative position of a stripper and a work roll, are also provided.

Abstract: A method of making a rolled aluminum product comprises sawing an aluminum ingot so that the ingot is separated into at least two separate aluminum slabs and rolling at least one of the slabs unclad and unbrazed. In some embodiments, the ingot is sawn horizontally, across its face, as so that, the slabs are equal in length to the ingot. In some embodiments, at least one of the slabs is rolled to form a one of a plate, sheet or foil. The rolling can be hot rolling or cold rolling. Some embodiments further comprise scalping the aluminum ingot. In some embodiments, the sawing of the ingot eliminates or reduces the need to scalp the aluminum ingot and scalping is not performed. Some embodiments further comprise sawing curved edges off the aluminum slabs.