COMBUSTOR NOZZLE

SKID ARCHITECTURE FOR A POWER AUGMENTATION SYSTEM

A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to a n apparatus for distribution of the fluid. In an active state, fluid is received in the stag e and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate.

COMBUSTOR NOZZLE

PROBLEM TO BE SOLVED: To provide an improved second combustion nozzle in a combustor of a gas turbine. SOLUTION: The secondary nozzle 18 includes a flange 22 and an elongated nozzle body 30 extending from the flange. At least one premix fuel injector 32 is spaced radially from the nozzle body and extends from the flange generally parallel to the nozzle body. At least one second nozzle tube is fluidly connected to a fuel source and spaced radially outward from the first nozzle tube with a proximal end fixed to the flange. The second nozzle tube has a distal end spaced from the proximal end and with at least one aperture therein. A passageway extends between the proximal end and the distal end of the second nozzle tube, with the passageway fluidly connecting to the fuel source and the aperture. COPYRIGHT: (C)2012,JPO&INPIT ...

COMBUSTOR NOZZLE

A secondary nozzle is provided for a gas turbine. The secondary nozzle includes a flange and an elongated nozzle body extending from the flange. At least one premix fuel injector is spaced radially from the nozzle body and extends from the flange generally parallel to the nozzle body. At least one second nozzle tube is fluidly connected to the fuel source and spaced radially outward from the first nozzle tube with a proximal end fixed to the flange. The second nozzle tube has a distal end, spaced from the proximal end, with at least one aperture therein. A passageway extends between the proximal end and the distal end of the second nozzle tube, with the passageway fluidly connecting to the fuel source and the aperture.

SPRAY SYSTEM, POWER AUGMENTATION SYSTEM FOR ENGINE CONTAINING SPRAY SYSTEM AND METHOD OF HUMIDIFYING AIR

The present invention is spray system such as a nozzle array, for more effectively and efficiently delivering liquid spray to air before its intake into an engine, a power augmentation system for an engine comprising the spray system and a method for more effectively humidifying air. The system is comprised of a plurality of independently- operable nozzle stages, which divide the flow path into a plurality of subsections. A group of nozzle stages comprise a unit of the system, which is comprised of a plurality of repeating units. The units are spaced to allow air flow through. The nozzle array is configured to substantially equally humidify the air through each subsection. The design of the nozzle array achieves more uniform mixing of air and water close to the point of injection of the air and water across the entire water injection range. As such, it maximizes the time available for evaporation by the drops in air that is not oversaturated.

SKID ARCHITECTURE FOR A POWER AUGMENTATION SYSTEM

A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate.

Spray system, power augmentation system for engine containing spray system and method of humidifying air

The present invention is spray system such as a nozzle array, for more effectively and efficiently delivering liquid spray to air before its intake into an engine, a power augmentation system for an engine comprising the spray system and a method for more effectively humidifying air. The system is comprised of a plurality of independently-operable nozzle stages, which divide the flow path into a plurality of subsections. A group of nozzle stages comprise a unit of the system, which is comprised of a plurality of repeating units. The units are spaced to allow air flow through. The nozzle array is configured to substantially equally humidify the air through each subsection. The design of the nozzle array achieves more uniform mixing of air and water close to the point of injection of the air and water across the entire water injection range. As such, it maximizes the time available for evaporation by the drops in air that is not oversaturated.

ANGLED SEAL COOLING SYSTEM

PROBLEM TO BE SOLVED: To provide an aft liner seal for a gas turbine combustor with improved cooling effect. SOLUTION: The aft liner seal for the gas turbine combustor includes an inner shell having an inner and outer surface, and a central axis. The aft liner seal includes an outer shell positioned over the inner shell, the outer shell having an inner and outer surface, and a central axis coaxial with the inner shell. One of the outer surface of the inner shell or the inner surface of the outer shell has grooves angled relative to the central axis. The angled grooves and adjacent portions of the inner surface of the outer shell or the outer surface of the inner shell form cooling passages. The cooling air exits the cooling passages at an exit angle that is matched to a swirl angle of the combustor flow. Matching of the exit angle and the swirl angle minimizes shear of cooling air with respect to flow exiting the combustor liner. COPYRIGHT: (C)2012,JPO&INPIT ...

VENTURI COOLING SYSTEM

A combustor for a gas turbine is provided having a nozzle assembly located at one end and a combustion chamber defining a second end of the combustor. A venturi is positioned within the combustor, between the nozzle and the combustion chamber. The venturi defines a passageway therein having a first side facing the nozzle and a second side facing the combustion chamber. Compressed air is directed into an inlet in fluid communication with the first and second sides of the venturi passageway. The venturi passageway directs the compressed air from the inlet in opposite directions within the first and second sides of the passageway for cooling the venturi.

VENTURI COOLING SYSTEM

A combustor for a gas turbine is provided having a nozzle assembly located at one end and a combustion chamber defining a second end of the combustor. A venturi is positioned within the combustor, between the nozzle and the combustion chamber. The venturi defines a passageway therein having a first side facing the nozzle and a second side facing the combustion chamber. Compressed air is directed into an inlet in fluid communication with the first and second sides of the venturi passageway. The venturi passageway directs the compressed air from the inlet in opposite directions within the first and second sides of the passageway for cooling the venturi.

Skid architecture for a power augmentation system

Spray system, power augmentation system for engine containing spray system and method of humidifying air

SPRAY SYSTEM, POWER AUGMENTATION SYSTEM FOR ENGINE CONTAINING SPRAY SYSTEM AND METHOD OF HUMIDIFYING AIR 5OF THE DISCLOSURE The present invention is spray system such as a nozzle array, for more effectively and efficiently delivering liquid spray to air before its intake into an engine, a power augmentation system for an engine comprising the spray system and a method for more 10 effectively humidifying air. The system is comprised of a plurality of independently operable nozzle stages, which divide the flow path into a plurality of subsections. A group of nozzle stages comprise a unit of the system, which is comprised of a plurality of repeating units. The units are spaced to allow air flow through. The nozzle array is configured to substantially equally humidify the air through each subsection. The design 15 of the nozzle array achieves more uniform mixing of air and water close to the point of injection of the air and water across the entire water injection range. As such, it maximizes ...

SPRAY SYSTEM, POWER AUGMENTATION SYSTEM FOR ENGINE CONTAINING SPRAY SYSTEM AND METHOD OF HUMIDIFYING AIR

GAS TURBINE HAVING AIR COMPRESSOR

PROBLEM TO BE SOLVED: To minimize a pressure loss in air passages (6 and 20) to ensure its excellent overall efficiency, in a gas turbine where compressed air is introduced in a combustion chamber (10) through the air passages (6 and 20) and heated therein. SOLUTION: The effective cross sections of the air passages (6 and 20) running from a compressor (3) to an inlet to the combustion chamber (10) are constant throughout the stroke thereof. This constitution causes compressed air to flow approximately at a constant speed throughout the strokes of the air passages (6 and 20), and a pressure loss in the air passages (6 and 20) is minimized. COPYRIGHT: (C)2003,JPO ...

Venturi cooling system

Combustor nozzle

Venturi cooling system

Venturi cooling system

Skid architecture for a power augmentation system

A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate. EAS-T41470580.1 ...

Flashback resistant pre-mix burner for a gas turbine combustor

A pre-mixing burner (10) for a gas turbine engine having improved resistance to flashback. Fuel (32) is supplied to a pre-mixing chamber (24) of the burner from a plurality of fuel outlet openings (34) formed in fuel pegs (36) extending into the flow of air (30) passing through the chamber. The fuel outlet openings are formed to direct the fuel in a downstream direction at an angle (A) relative to the direction of the flow of air past the respective fuel peg. This angle imparts a downstream velocity vector (VD) for increasing the net velocity of the air and a normal velocity vector (VN) for directing the fuel away from the wake (44) formed downstream of the fuel peg. Alternate ones of the fuel outlet openings along a single fuel peg may be formed at respective positive (A) and negative (B) angles with respect to a plane (46) extending along the wake in order to minimize the size of the wake. The propensity of the burner to support upstream flame propagation and flashback is thus reduced ...

Gasturbine mit einem Verdichter für Luft

Spray system, power augmentation system for engine containing spray system and method of humidifying air

Venturi cooling system

A combustor for a gas turbine is provided having a nozzle assembly located at one end and a combustion chamber defining a second end of the combustor. A venturi is positioned within the combustor, between the nozzle and the combustion chamber. The venturi defines a passageway therein having a first side facing the nozzle and a second side facing the combustion chamber. Compressed air is directed into an inlet in fluid communication with the first and second sides of the venturi passageway. The venturi passageway directs the compressed air from the inlet in opposite directions within the first and second sides of the passageway for cooling the venturi.

COMBUSTOR NOZZLE

PROBLEM TO BE SOLVED: To provide an improved second fuel nozzle equipped inside a combustor of a gas turbine. SOLUTION: The second fuel nozzle includes a flange and a long and thin nozzle body extending from the flange. At least one premixed fuel injector is arranged in the radial direction from the nozzle body, and is extended from the flange in parallel with the nozzle body. At least one second nozzle tube is fluid-connected to a fuel source and arranged radially outward from a first nozzle tube with its proximal end fixed to the flange. The second nozzle tube having a distal end separated from the proximal end includes at least one hole. A passage extends between the proximal end and the distal end of the second nozzle tube and is fluid-connected to the fuel source and at least one hole. COPYRIGHT: (C)2010,JPO&INPIT ...

Venturi cooling system

A combustor for a gas turbine is provided having a nozzle assembly located at one end and a combustion chamber defining a second end of the combustor. A venturi is positioned within the combustor, between the nozzle and the combustion chamber. The venturi defines a passageway therein having a first side facing the nozzle and a second side facing the combustion chamber. Compressed air is directed into an inlet in fluid communication with the first and second sides of the venturi passageway. The venturi passageway directs the compressed air from the inlet in opposite directions within the first and second sides of the passageway for cooling the venturi.

SKID STRUCTURE FOR A POWER INCREASING SYSTEM, WHEREIN ONE OR MORE STAGES INCLUDING A FIRST VALVE AND A SECOND VALVE ARE FORMED

PURPOSE: A skid structure for a power increasing system is provided to efficiently supply e high pressure fluid so as to improve the electric power of a gas turbine. CONSTITUTION: A skid(10) transferring fluid is composed of a first valve, a second valve(120,140), and one or more stages(160). The fluid is compassed into a first fixed level in active state and is stored in the stage. The first valve is positioned on an open position and a second valve is positioned on a closed position. The fluid is accepted within the stage in the active state and the first valve is positioned on the closed position and the second valve is positioned on the open position. When the fluid is in the inactive state, the second valve is positioned on the closed position. COPYRIGHT KIPO 2010 ...

Angled seal cooling system

AXIAL DIFFUSOR FOR A TURBINE ENGINE

A turbine engine having a plenum for passing fluids from an outlet of a compressor to an inlet of a combustor that may increase the efficiency of the turbine engine. The turbine engine may include a combustor, a compressor positioned upstream of the combustor, a transition channel extending from the compressor to the combustor, and a shell extending between the compressor and a combustor portal and positioned around the at least one transition channel. The turbine engine may also include an axial diffusor in the shell near the at least one transition channel, wherein the axial diffusor may include a fluid flow recess in a trailing edge of the axial diffusor. The turbine engine may also include a wave protrusion extending from a surface positioned radially inward of the axial diffusor. The fluid flow recess and the wave protrusion may reduce fluid flow loss within the shell.

Can combustor for a gas turbine engine

A gas turbine engine (10) includes a plurality of can combustors (19). Each can combustor includes a first stage of burners (46) located at a first radius about the combustor centerline (42) and a second stage of burners (50) located at a second radius greater than the first radius. The second stage of burners may be clocked to an angular position that is not midway between respective neighboring burners of the first stage. Combustion instabilities may be controlled by exploiting variations in combustion parameters created by differential fueling of the two stages.

Combustor nozzle

A secondary nozzle is provided for a gas turbine. The secondary nozzle includes a flange and an elongated nozzle body extending from the flange. At least one premix fuel injector is spaced radially from the nozzle body and extends from the flange generally parallel to the nozzle body. At least one second nozzle tube is fluidly connected to the fuel source and spaced radially outward from the first nozzle tube with a proximal end fixed to the flange. The second nozzle tube has a distal end, spaced from the proximal end, with at least one aperture therein. A passageway extends between the proximal end and the distal end of the second nozzle tube, with the passageway fluidly connecting to the fuel source and the aperture.

Skid architecture for a power augmentation system

A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate.

SPRAY SYSTEM, POWER AUGMENTATION SYSTEM FOR ENGINE CONTAINING SPRAY SYSTEM AND METHOD OF HUMIDIFYING AIR

PROBLEM TO BE SOLVED: To effectively and efficiently deliver liquid spray to air before its intake into an engine. SOLUTION: A system includes a plurality of independently-operable nozzle stages, which divide a flow path into a plurality of subsections. A group of the nozzle stages constitutes a unit of the system, which is constructed of a plurality of repeating units. The units are spaced to allow air to be flowed through. A nozzle array is configured to equally humidify the air through each subsection. The design of the nozzle array achieves uniform mixing of the air and water close to the point of injection of the air and water across the entire water injection range. As a result, this maximizes the time available for evaporation of drops in the air that is not oversaturated. COPYRIGHT: (C)2011,JPO&INPIT ...

Gas turbine with a compressor for air

In gas turbines, compressed air is supplied via an air duct to combustion chambers and is heated there. Pressure losses in the air duct should be minimized in order to ensure good overall efficiency. This is achieved by the compressed air flowing with approximately constant velocity in the air duct from the compressor to the inlet into the combustion chamber. This is supported by the effective cross section of the air duct being almost constant over this distance.

Skid mounted equipment structure for power augmentation system

A fluid delivery skid mounted equipment with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. Acontrol unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate.

SPRAY SYSTEM, A POWER INCREASING SYSTEM FOR AN ENGINE INCLUDING THE SAME, AND AN AIR HUMIDIFICATION METHOD

PURPOSE: A spray system, a power increasing system for an engine including the same, and an air humidification method are provided to improve the mixed amount of air and water since a nozzle array uniformly humidifies the air of an inlet. CONSTITUTION: A power increasing system for an engine including a spray system comprises a path, a turbine, and a nozzle array. The path has one or more air inlets. The turbine is formed on the lower part of the air inlet. The nozzle array is comprised of multiple stages. The nozzle array is formed on the lower part of the air inlet and the upper part of the turbine. The multiple nozzles spray liquid to humidify air flowing through the multiple sub-sections. COPYRIGHT KIPO 2011 ...

ANGLED SEAL COOLING SYSTEM CAPABLE OF MAXIMIZING THE COOLING EFFICIENCY OF AIR COOLING A SEAL WHEN SEAL EXHAUST AND MAIN COMBUSTOR FLOWS COME INTO CONTACT

PURPOSE: An angled seal cooling system is provided to maximize the cooling efficiency of seal cooling air once seal exhaust and main combustor flows come into contact. CONSTITUTION: An angled seal cooling system comprises an inner shell(30) and an outer shell. The inner shell comprises an inner surface(32), an outer surface and a central axis. The outer shell is located on the inner shell and has a central axis, which is the same axis to the central axis of the inner surface, the outer surface and the inner shell. The inner surface of the outer shell is contiguous to the outer surface of the inner shell and a plurality of spiral grooves are formed on one of the outer surface of the inner shell and the inner surface of the outer shell. The helical grooves and adjacent portions of the inner surface of the outer shell or the outer surface of the inner shell form a plurality of helical cooling paths. COPYRIGHT KIPO 2012 ...

Venturi cooling system

Venturi cooling system

A combustor for a gas turbine is provided having a nozzle assembly located at one end and a combustion chamber defining a second end of the combustor. A venturi is positioned within the combustor, between the nozzle and the combustion chamber. The venturi defines a passageway therein having a first side facing the nozzle and a second side facing the combustion chamber. Compressed air is directed into an inlet in fluid communication with the first and second sides of the venturi passageway. The venturi passageway directs the compressed air from the inlet in opposite directions within the first and second sides of the passageway for cooling the venturi.

High frequency dynamics resonator assembly

Aspects of the invention relate to resonator assemblies for use in non-uniform flow environments. The resonator assemblies include one or more features, such as a box or a scoop, for substantially equalizing the pressure on the resonator. In the box configuration, a box is attached on top of the resonator. The box has a top plate with a plurality of openings and at least one side wall extending from the entire periphery of the top plate. A plenum is defined between the box and the resonator plate. In the scoop configuration, a scoop is attached to the top of the resonator such that the scoop substantially overhangs the resonator. The scoop includes at least one side wall extending substantially perpendicularly therefrom, except for one side without a side wall so as to provide an opening into a space defined between the scoop and the resonator.

SKID ARCHITECTURE FOR A POWER AUGMENTATION SYSTEM

A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate.

METHOD OF OPTIMIZING PREMIX FUEL NOZZLES FOR A GAS TURBINE

A method of optimizing a premix fuel nozzle for a gas turbine is provided including the step of providing a nozzle that provides, when the gas turbine is in operation, an axial flow field of an air and fuel mixture flows through the burner tube and around the nozzle tip, and at least two recirculation zones with at least two differing radial extents as part of a toroidal vortex generated on the nozzle tip to provide strong flame holding and flame propagation.

Venturi cooling system

A combustor for a gas turbine is provided having a nozzle assembly located at one end and a combustion chamber defining a second end of the combustor. A venturi is positioned within the combustor, between the nozzle and the combustion chamber. The venturi defines an internal passageway therein having a first side facing the nozzle and a second side facing the combustion chamber. Compressed air is directed into an inlet in fluid communication with the first and second sides of the internal passageway. The internal passageway directs the compressed air from the inlet in opposite directions within the first and second sides of the internal passageway for cooling the venturi.

Combustor nozzle

A secondary nozzle is provided for a gas turbine. The secondary nozzle includes a flange and an elongated nozzle body extending from the flange. At least one premix fuel injector is spaced radially from the nozzle body and extends from the flange generally parallel to the nozzle body. At least one second nozzle tube is fluidly connected to the fuel source and spaced radially outward from the first nozzle tube with a proximal end fixed to the flange. The second nozzle tube has a distal end, spaced from the proximal end, with at least one aperture therein. A passageway extends between the proximal end and the distal end of the second nozzle tube, with the passageway fluidly connecting to the fuel source and the aperture.

Skid architecture for a power augmentation system

Axial diffusor for a turbine engine

A turbine engine having a plenum for passing fluids from an outlet of a compressor to an inlet of a combustor that may increase the efficiency of the turbine engine. The turbine engine may include a combustor, a compressor positioned upstream of the combustor, a transition channel extending from the compressor to the combustor, and a shell extending between the compressor and a combustor portal and positioned around the at least one transition channel. The turbine engine may also include an axial diffusor in the shell near the at least one transition channel, wherein the axial diffusor may include a fluid flow recess in a trailing edge of the axial diffusor. The turbine engine may also include a wave protrusion extending from a surface positioned radially inward of the axial diffusor. The fluid flow recess and the wave protrusion may reduce fluid flow loss within the shell.

Power augmentation system for engine and method of humidifying air

The present invention is spray system such as a nozzle array, for more effectively and efficiently delivering liquid spray to air before its intake into an engine, a power augmentation system for an engine comprising the spray system and a method for more effectively humidifying air. The system is comprised of a plurality of independently-operable nozzle stages, which divide the flow path into a plurality of subsections. A group of nozzle stages comprise a unit of the system, which is comprised of a plurality of repeating units. The units are spaced to allow air flow through. The nozzle array is configured to substantially equally humidify the air through each subsection. The design of the nozzle array achieves more uniform mixing of air and water close to the point of injection of the air and water across the entire water injection range. As such, it maximizes the time available for evaporation by the drops in air that is not oversaturated.

Combustor nozzle

Combustor nozzle

A secondary nozzle is provided for a gas turbine. The secondary nozzle includes a flange and an elongated nozzle body extending from the flange. At least one premix fuel injector is spaced radially from the nozzle body and extends from the flange generally parallel to the nozzle body. At least one second nozzle tube is fluidly connected to the fuel source and spaced radially outward from the first nozzle tube with a proximal end fixed to the flange. The second nozzle tube has a distal end, spaced from the proximal end, with at least one aperture therein. A passageway extends between the proximal end and the distal end of the second nozzle tube, with the passageway fluidly connecting to the fuel source and the aperture.

Axial diffusor for a turbine engine

A turbine engine having a plenum for passing fluids from an outlet of a compressor to an inlet of a combustor that may increase the efficiency of the turbine engine. The turbine engine may include a combustor, a compressor positioned upstream of the combustor, a transition channel extending from the compressor to the combustor, and a shell extending between the compressor and a combustor portal and positioned around the at least one transition channel. The turbine engine may also include an axial diffusor in the shell near the at least one transition channel, wherein the axial diffusor may include a fluid flow recess in a leading edge of the axial diffusor. The turbine engine may also include a wave protrusion extending from a surface positioned radially inward of the axial diffusor. The fluid flow recess and the wave protrusion may reduce fluid flow loss within the shell.

Venturi cooling system

VENTURI COOLING SYSTEM

PROBLEM TO BE SOLVED: To improve a cooling passageway of a venturi inside a combustor of a gas turbine. SOLUTION: The combustor of the gas turbine is provided having a nozzle assembly located at one end of the combustor and a combustion chamber defining a second end of the combustor. The venturi is positioned within the combustor, between a nozzle and the combustion chamber. The venturi defines a passageway therein having a first side facing the nozzle and a second side facing the combustion chamber. Compressed air is directed into an inlet in fluid communication with the first and second sides of the venturi passageway. The venturi passageway directs the compressed air from the inlet in opposite directions within the first and second sides of the passageway for cooling the venturi. COPYRIGHT: (C)2010,JPO&INPIT ...

Spray system, power augmentation system for engine containing spray system and method of humidifying air

PREMIX FUEL NOZZLE FOR A GAS TURBINE AND COMBUSTOR

A nozzle tip for a premix fuel nozzle includes an outer body having an outer body external face facing the downstream end of the burner tube, the outer body external face having a smaller cross-sectional area than the cross-sectional area of the burner tube; and at least one segment radiating radially outwardly toward the internal wall of the burner tube from the outer body, wherein each segment has a proximal end disposed adjacent to the outer body external face and a distal end disposed in a direction toward the burner tube, wherein each segment has a segment downstream face angled relative to the longitudinal axis of the burner tube towards the downstream end of the burner tube. When the gas turbine is in operation, an axial flow field of an air and fuel mixture flows through the burner tube and around the nozzle tip, and two or more recirculation zones of differing radial extent are generated on the nozzle tip by the segments to provide strong flame holding and flame propagation.

Skid architecture for a power augmentation system

A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate.

CATALYTIC COMBUSTION SYSTEM AND METHOD

Aspects according to the invention relate to a catalytic combustor system for a turbine engine and an associated method. Catalytic combustors are used in connection with turbine engines because they can minimize the formation of oxides of nitrogen during combustion. Despite this emissions advantage, catalytic combustion systems can increase the level of CO in the turbine exhaust. According to aspects of the invention, vortex formation devices includes vortex generators, swirlers and mixers can be placed downstream of each catalytic module surrounding the pilot nozzle so as to form one or more vortices in the otherwise substantially laminar flow exiting the modules. The vortices can create a suction so that a portion of the flow exiting the pilot nozzle is mixed with the flow exiting thee catalyst modules. The introduction of the higher temperature pilot flow can accelerate the catalytic reaction time, promoting burnout of the CO formed during combustion.

ANGLED SEAL COOLING SYSTEM

An aft liner seal for a combustor for a gas turbine includes an inner shell having an inner and outer surface and central axis. The aft liner seal has an outer shell positioned over the inner shell that has an inner and outer surface and central axis coaxial with the inner shell. One of the outer surface of the inner shell or the inner surface of the outer shell has grooves angled relative to the central axis. The angled grooves and adjacent portions of the inner surface of the outer shell or the outer surface of the inner shell form cooling passages. The cooling air exits the cooling passages at an exit angle that is matched to a swirl angle of the combustor flow. Matching of the exit angle and the swirl angle minimizes shear of cooling air with respect to flow exiting the combustor liner.

Flame-holding, single-mode nozzle assembly with tip cooling

A flame-holding nozzle for a combustion turbine engine is disclosed. The nozzle includes several elongated sleeves in a substantially-concentric arrangement. The sleeves cooperatively provide distinct passageways for fluids to move through the nozzle. The nozzle includes conduits that advantageously direct fluids to designated regions of the nozzle, allowing fuel and cooling fluid to move within the nozzle without becoming commingled. Portions of the nozzle sleeves are also strategically arranged to transmit fluids in a manner that provides substantially-uniform thermal expansion, thereby eliminating the need for sliding joints or bellows arrangements.

Venturi cooling system

Catalytic combustion system and method

Aspects according to the invention relate to a catalytic combustor system for a turbine engine and an associated method. Catalytic combustors are used in connection with turbine engines because they can minimize the formation of oxides of nitrogen during combustion. Despite this emissions advantage, catalytic combustion systems can increase the level of CO in the turbine exhaust. According to aspects of the invention, vortex formation devices includes vortex generators, swirlers and mixers can be placed downstream of each catalytic module surrounding the pilot nozzle so as to form one or more vortices in the otherwise substantially laminar flow exiting the modules. The vortices can create a suction so that a portion of the flow exiting the pilot nozzles is mixed with the flow exiting the catalyst modules. The introduction of the higher temperature pilot flow can accelerate the catalytic reaction time, promoting burnout of the CO formed during combustion.

Combination toothbrush and toothpaste dispenser with incorporated remaining use counter

A combination toothbrush and toothpaste dispenser with incorporated remaining use counter including a toothbrush portion comprised of an elongated hollow handle having an incorporated head portion. The elongated hollow handle includes an internal channel. The head portion has a plurality of openings in communication with the internal channel. The head portion has a plurality of bristles extending outwardly thereof. The handle holds a quantity of toothpaste within the internal channel. An internal plunger is disposed within the internal channel of the elongated hollow handle. The internal plunger will force the toothpaste out of the plurality of openings of the head portion and onto the bristles. A counter is disposed within the elongated hollow handle of the toothbrush portion. The counter is in communication with the plunger for determining a remaining amount of toothpaste disposed therein, and displaying the same on a rotary dial.

SKID ARCHITECTURE FOR POWER AUGMENTATION SYSTEM

PROBLEM TO BE SOLVED: To efficiently and effectively supply high pressure fluid for augmenting power of a gas turbine. SOLUTION: A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate. COPYRIGHT: (C)2012,JPO&INPIT ...

COMBUSTOR NOZZLE

A secondary nozzle is provided for a gas turbine. The secondary nozzle includes a flange and an elongated nozzle body extending from the flange. At least one premix fuel injector is spaced radially from the nozzle body and extends from the flange generally parallel to the nozzle body. At least one second nozzle tube is fluidly connected to the fuel source and spaced radially outward from the first nozzle tube with a proximal end fixed to the flange. The second nozzle tube has a distal end, spaced from the proximal end, with at least one aperture therein. A passageway extends between the proximal end and the distal end of the second nozzle tube, with the passageway fluidly connecting to the fuel source and the aperture.

Gas turbine can annular combustor

A gas turbine engine ( 120 ) includes a cylindrical basket ( 146 ) having an axis ( 14 ) and a single main burner assembly ( 12 ) disposed within the basket. A burner insert ( 34 ) is disposed in an annular space between the burner assembly and the basket. The insert includes a face perpendicular to the axis of the basket. A plurality of passageways ( 114 ) are formed in the basket, positioned proximate to and downstream of the burner insert for allowing passage of a portion of an oxidizer flow ( 42 ) into a combustion chamber ( 30 ). A fluid flow path ( 38 ), defined between a combustion chamber liner portion ( 32 ) of the basket and a casing ( 40 ) spaced radially outward from the combustion liner portion, discharges a fluid into a flow reversal region ( 118 ) proximate an inlet ( 20 ) of the burner assembly. A fuel outlet ( 44 ) is disposed in the flow reversal region.

SKID STRUCTURE FOR POWER AUGMENTATION SYSTEM

PROBLEM TO BE SOLVED: To efficiently and effectively supply a high pressure fluid for augmenting power of a gas turbine. SOLUTION: A fluid supply skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. These stages have active and inactive states to provide a desired flow rate of the fluid to a fluid supply apparatus. In the active state, the fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in the active state, the fluid is released with the first valve closed and the second valve open. In the inactive state, at least the second valve is closed. A control unit is connected to a pump and controls the stage by controlling operation of the pump. The stage supplies the fluid of pressure at a level determined to achieve the desired flow rate. COPYRIGHT: (C)2010,JPO&INPIT ...

STAGED COMPRESSOR WATER WASH SYSTEM

A compressor wash system for compressor washing includes stages of fluid delivery lines coupled at one end to a pump output and at the other end to a corresponding nozzle set. A control valve is connected to the fluid delivery line between the pump and the nozzle set, selectively supplying fluid between the pump and the nozzle set. Each nozzle of a nozzle set is positioned on an inlet of the compressor to allow the stages to wash a portion of the compressor. Nozzle sets are positioned around a bellmouth assembly and/or around an inlet cone of the compressor inlet, with a nozzle spray tip of each nozzle extending into an inlet air flow path of the compressor. Fluid may be directed to one or more of the stages in a sequencing pattern determined and configured to wash the compressor. Templates and installation guides are utilized to position the nozzles. 1. A method for washing a compressor , the compressor comprising an inlet and a plurality of blades , the method comprising:providing one or more nozzle sets, each nozzle set comprising one or more nozzles, each nozzle comprising a nozzle body and a nozzle spray tip disposed on an end of the nozzle body;applying one or more templates and/or installation tools to a portion of an inlet of the compressor to mark a location for each of the one or more nozzles;positioning each of the one or more nozzles of the nozzle sets in an opening on the inlet of the compressor at the corresponding marked location so that each nozzle extends into the inlet air flow path of the compressor and with the Fine of sight of the plurality of compressor blades;coupling each of the one or more nozzle sets to an output of a pump via a corresponding fluid delivery line; andselectively supplying fluid from the pump to one or more of the one or more nozzle sets, wherein the selective supply is based upon a sequencing pattern determined to wash a desired portion of the compressor blades.2. The method of claim 1 , wherein applying one or more ...

SURF FISHING TOY

A water toy comprises an elongated buoyant body, a front attachment point, a weighted figurine, and a fin. The elongated buoyant body has a nose, a tail, a top surface, and a bottom surface. The top surface and the bottom surface meet at an outer edge. The front attachment point is disposed upon the bottom surface at the nose. The front attachment point comprises an aperture. The weighted figurine is disposed upon the top surface toward the nose. The fin extends from the bottom surface toward the tail. The water toy may comprise a rear attachment point for attaching a fish hook or lure and/or a water foil disposed upon the bottom surface at the tail. 1. A water toy , comprising:an elongated buoyant body having a nose, a tail, a top surface, and a bottom surface, wherein the top surface and the bottom surface meet at an outer edge;a front attachment point disposed upon the bottom surface at the nose, wherein the front attachment point defines an aperture;a water foil projecting downward from the tail or from the bottom surface at the tail, wherein the water foil creates hydrodynamic drag and lift as the water toy moves forward in water;anda fin extending from the bottom surface.2. The water toy of claim 1 , wherein:the aperture of the front attachment point is parallel to a length of the elongated buoyant body.3. The water toy of claim 1 , further comprising:a rear attachment point disposed upon the bottom surface at the tail.4. The water toy of claim 3 , wherein:the rear attachment point defines an aperture.5. The water toy of claim 4 , wherein:the aperture of the rear attachment point is perpendicular to a length of the elongated buoyant body.6. The water toy of claim 4 , wherein:the water foil comprises a rear attachment point, wherein the rear attachment point comprises an annular frame that defines the aperture and a membrane, the membrane coating the annular frame.7. The water toy of claim 6 , wherein:the annular frame is perpendicular to a length of the ...

STAGE COMPRESSOR WATER WASH SYSTEM

A compressor wash system for compressor washing includes stages of fluid delivery lines coupled at one end to a pump output and at the other end to a corresponding nozzle set. A control valve is connected to the fluid delivery line between the pump and the nozzle set, selectively supplying fluid between the pump and the nozzle set. Each nozzle of a nozzle set is positioned on an inlet of the compressor to allow the stages to wash a portion of the compressor. Nozzle sets are positioned around a bellmouth assembly and/or around an inlet cone of the compressor inlet, with a nozzle spray tip of each nozzle extending into an inlet air flow path of the compressor. Fluid may be directed to one or more of the stages in a sequencing pattern determined and configured to wash the compressor. Templates and installation guides are utilized to position the nozzles. 1. A compressor wash system for washing a compressor , the compressor comprising an inlet and a plurality of compressor blades , the system comprising:a pump configured to supply fluid;a plurality of fluid delivery lines, each of the plurality of fluid delivery lines connected at one end to an output of the pump;a plurality of nozzle sets, each of the plurality of nozzle sets connected at an opposite end of a corresponding one of the plurality of fluid delivery lines, wherein each of the plurality of nozzle sets comprises one or more nozzles; anda plurality of control valves, each of the plurality of control valves connected to a corresponding one of the plurality of fluid delivery lines between the pump and a corresponding nozzle set;wherein each of the plurality of control valves is operable to selectively supply fluid from the pump to a corresponding one of the plurality of nozzle sets based upon a sequencing pattern determined to wash a first portion of the compressor blades, the first portion comprising a leading tip edge of the compressor blades;wherein each of the plurality of control valves is operable to ...

Maintenance bypass assembly for uninterruptable power supply

Where an Uninterruptable Power Supply (UPS) is used in a system to ensure highly reliable power supply to an electronic system, occasional maintenance or repair of the UPS or its storage batteries may be required. Effecting this servicing while ensuring that the utility power continues to be supplied to the load may involve a Maintenance Bypass Assembly (MBA) comprising a plurality of manually-operated circuit breakers. The possibility of an incorrect actuation of such circuit breakers is precluded by the coordination of a plurality of electromechanically actuated circuit breakers in communication with a controller that may store a table of permitted state transitions and sequences for safe operation. Such operation may be confirmed by one or more sensors monitored by the controller.

Aerodynamic devices for enhancing sidepanel cooling on an impingement cooled transition duct and related method

Three phase regulated d.c. power supply with control for balancing input phase current

A POWER SUPPLY SYSTEM HAS A REGULATED D.C. OUTPUT AND A THREE PHASE A.C. INPUT. INPUT CURRENT IN EACH PHASE IS CONTROLLED BY A SILICON CONTROLLED RECTIFIER (SCR). THREE BLOCKING OSCILLATORS PRODUCE OUTPUT PULSES FOR FIRING THE SCAR''S AT PHASE ANGLES DETERMINED IN RESPONSE TO THE D.C. OUTPUT VOLTAGE AND CURRENT. ADDITIONALLY THE FIRING ANGLES FOR TWO OF THE THREE SCR''S ARE AUTOMATICALLY ADJUSTED TO BALANCE CURRENT AMONG THE THREE PHASES AT THE INPUT. THIS IS ACHIEVED BY CIRCUITRY WHICH SENSES AND COMPARES THE POSITIVE AND NEGATIVE INPUT CURRENT IN TWO OF THE PHASES AND PRODUCES DIFFERENCE SIGNALS WHICH DRIVE TWO FO THE BLOCKING OSCILLATORS TO ADJUST THE FIRING ANGLES OF TWO OF THE SCR''S UNTIL PHASE CURRENT IS EQUALIZED.

System for increasing the power of a turbine engine, which comprises a passage with an air inlet, a turbine, and a set of nozzles for humidifying the air upstream of the turbine, said set comprises a series of stages and subsections in a cross section of the passage; and methods to humidify the air.

Sistema para aumentar la potencia que comprende un pasaje con una entrada de aire, una turbina, y un conjunto de boquillas aguas abajo de la entrada de aire y aguas arriba de la turbina, dicho conjunto comprende una serie de etapas con una serie de subsecciones en un corte transversal del pasaje; y método de humidificación de aire. System for increasing the power comprising a passage with an air inlet, a turbine, and a set of nozzles downstream of the air inlet and upstream of the turbine, said assembly comprises a series of stages with a series of subsections in a cross section of the passage; and air humidification method.

Delayed release pharmaceutical formulations

Delivery of a drug is controlled to impart a delay before release after administration by formulating the drug with a disruption agent to provide a core, and coating the core with a regulatory membrane comprising a water-soluble gel-forming polymer and a water-insoluble film-forming polymer.

Power augmentation system for a gas turbine

A fluid delivery skid with a pre-fill system for supplying fluid has one or more stages including a first valve and a second valve, each having an open and closed position. The stages have active and inactive states to provide a desired flow rate of fluid to an apparatus for distribution of the fluid. In an active state, fluid is received in the stage and pressurized with the first valve open and the second valve closed. Further, in an active state, fluid is released with the first valve closed and the second open. In an inactive state, at least the second valve is closed. A control unit is connected to a pump unit and controls operation of the pump to regulate the stages to supply pressure at a level determined to achieve the desired flow rate.

Burner

(57)【要約】 （修正有） 【課題】入口空気流の調整、燃料噴射方式の改善及び燃 料／空気濃度分布プロフィールの制御により、逆火・消 炎がなく、かつ、ＮＯ ｘ 放出量の少ないバーナを提供す る。 【解決手段】ヘビーデューティ工業用ガスタービン燃焼 装置のバーナにおいて、燃料／空気予備混合器が燃料及 び空気を混合して環状混合通路３から燃料器の反応区域 ５に噴射する為の一様な混合気を形成すると共に、燃料 ／空気予備混合器の空気入口に配置されて流入空気の半 径方向及び円周方向の分布を制御する入口流れ調整装置 １も含む。入口流れ調整装置にある穿孔のパターンが、 旋回装置の入口環状部分で半径方向にも円周方向にも一 様な空気流の分布を生じるように設計されている。予備 混合器は、入口流れ調整装置を介して入ってくる空気流 に旋回を加える一連の、好ましくはエーロフォイル形 の、旋回翼を持つスウォズル集成体２を含む。

Venturi cooling system

Aerodynamic devices for enhancing sidepanel cooling on an impingement cooled transition duct

A transition piece assembly for a gas turbine includes a transition duct having one end adapted for connection to a gas turbine combustor and an opposite end adapted for connection to a first turbine stage, and a pair of side panels. The assembly also includes an impingement sleeve 122 surrounding the transition duct and establishing a cooling path therebetween. The impingement sleeve is formed with a plurality of rows of cooling holes 120 therein and a plurality of flow catcher devices 26 on an external surface of the impingement sleeve, each flow catcher device 26 comprising a scoop fixed to an outside surface of the impingement sleeve 122 about a portion of a respective one of said cooling holes 120 and having an open side defined by an edge of the scoop lying in a plane substantially normal to said outside surface. Each flow catcher device is arranged to face a direction of cooling air flow, such that said flow catcher devices 26 redirect said cooling air flow through said impingement sleeve 122 and onto said transition duct 10.

Head end turning scoop for a gas turbine

In a combustor (10) for a gas turbine, a head end turning scoop (12) is provided associated with at least one premix nozzle (22,24), each scoop (12) being U-shaped and having a first leg (58), a second leg (60), and a curved base portion (62), each scoop (12) disposed in a flow volume (44), wherein the first leg (58) is disposed adjacent to the cap outer body (68) and the second leg (60) is disposed adjacent to an upstream entry plane (66) of the premixer nozzle entrance (49) with which the scoop (12) is associated. Compressed air is guided from the liner channel (36), around the scoop (12), and into the upstream entry plane (66) of the premixer nozzle entrance (49). Flow of compressed air into the premixer nozzle entrance (49) is substantially even per premixer blade passage (54) to provide a controlled, air-fuel mixture to the nozzle tip (50).

Intrusion alarm and automatic illumination system

An intrusion alarm system provides automatic illumination of an entranceway when the entrance door is opened and sounds an audible alarm if the system is not disarmed within a brief predetermined time after the door is opened. The light which is used to illuminate the entranceway is also controlled independently of the alarm system by a conventional wall mounted on/off switch.

Staged compressor water wash system

A compressor wash system for compressor washing includes stages of fluid delivery lines coupled at one end to a pump output and at the other end to a corresponding nozzle set. A control valve is connected to the fluid delivery line between the pump and the nozzle set, selectively supplying fluid between the pump and the nozzle set. Each nozzle of a nozzle set is positioned on an inlet of the compressor to allow the stages to wash a portion of the compressor. Nozzle sets are positioned around a bellmouth assembly and/or around an inlet cone of the compressor inlet, with a nozzle spray tip of each nozzle extending into an inlet air flow path of the compressor. Fluid may be directed to one or more of the stages in a sequencing pattern determined and configured to wash the compressor. Templates and installation guides are utilized to position the nozzles.

Flexible textile gasket for turbine combustion chambers

Gas turbine with an air compressor

The gas turbine has takes compressed air via an air channel (6, 20) to combustion chambers (10), where it is heated. The air channel is so arranged that the compressed air flows from the intake to the combustion chambers at roughly constant speed. This is due to the fact that the effective cross section of the air channel over this stretch is roughly constant.

Stage compressor water wash system.

Un sistema de lavado del compresor para lavar el compresor incluye etapas de las líneas de suministro de fluido acopladas en el extremo de salida de la bomba y en el otro extremo para un grupo correspondiente de toberas. Una válvula de control es conectada a la línea de suministro de fluido entre la bomba y el grupo de toberas, selectivamente abastece el fluido entre la bomba y el grupo de toberas. Cada tobera de un grupo de toberas es colocada en una entrada del compresor para permitir que las etapas laven una porción del compresor. El grupo de toberas son colocadas alrededor de un ensamble acampanado y/o alrededor de un cono de entrada de la entrada del compresor, con una punta de pulverización de la tobera de cada tobera que se extiende hacia una trayectoria de entrada de flujo de aire del compresor. El fluido puede ser dirigido a una o más etapas en el patrón secuencial determinado y configurado para lavar el compresor. Las plantillas y las guías de instalación son utilizadas para colocar las toberas.

Non-rectangular resonator devices providing enhanced liner cooling for combustion chamber

Embodiments of the present invention provide resonators (260, 460) that have lateral walls (268, 270) disposed at non-square angles relative to the liner's longitudinal (and flow-based) axis (219) such that a film cooling of substantial portions of an intervening strip (244, 444) is provided from apertures (226A, 226B, 426) in a resonator box (262, 462) adjacent and upstream from the intervening strip (244, 444). This film cooling also cools weld seams (280) along the lateral walls (268, 270) of the resonator boxes (262, 462). In various embodiments the lateral wall angles are such that film cooling may be provided to include the most of the downstream portions of the intervening strips (244, 444). These downstream portions are closer to the combustion heat source and therefore expected to be in greater need of cooling.

Staged compressor water wash system

A compressor wash system for compressor washing includes stages of fluid delivery lines coupled at one end to a pump output and at the other end to a corresponding nozzle set. A control valve is connected to the fluid delivery line between the pump and the nozzle set, selectively supplying fluid between the pump and the nozzle set. Each nozzle of a nozzle set is positioned on an inlet of the compressor to allow the stages to wash a portion of the compressor. Nozzle sets are positioned around a bellmouth assembly and/or around an inlet cone of the compressor inlet, with a nozzle spray tip of each nozzle extending into an inlet air flow path of the compressor. Fluid may be directed to one or more of the stages in a sequencing pattern determined and configured to wash the compressor. Templates and installation guides are utilized to position the nozzles.

An axially staged combustion system for a gas turbine engine

An axially staged combustion system is provided for a gas turbine engine comprising a main body structure having a plurality of first and second injectors. First structure provides fuel to at least one of the first injectors. The fuel provided to the one first injector is adapted to mix with air and ignite to produce a flame such that the flame associated with the one first injector defines a flame front having an average length when measured from a reference surface of the main body structure. Each of the second injectors comprising a section extending from the reference surface of the main body structure through the flame front and having a length greater than the average length of the flame front. Second structure provides fuel to at least one of the second injectors. The fuel passes through the one second injector and exits the one second injector at a location axially spaced from the flame front.

Delayed release pharmaceutical formulations

Delivery of a drug is controlled to impart a delay before release after administration by formulating the drug with a disruption agent to provide a core, and coating the core with a regulatory membrane comprising a water-soluble gel-forming polymer and a water-insoluble film-forming polymer.

Venturi cooling system

Air flow conditioner for a combustor can of a gas turbine engine

A burner ( 27 ) of a gas turbine engine ( 10 ) includes a cylindrical basket ( 60 ) comprising an air flow reversal region ( 86 ). The flow reversal region ends at an air inlet plane ( 84 ) of the basket. The burner also includes a flow conditioner ( 90 ) disposed in the flow reversal region transecting an air flow ( 80 ) flowing non-uniformly through the flow reversal region, the flow conditioner being effective to mitigate variation of the air flow entering the basket across the inlet plane.

Aerodynamic devices for enhancing sidepanel cooling on an impingement cooled transition duct and related method

A transition piece assembly for a gas turbine includes a transition duct having one end adapted for connection to a gas turbine combustor and an opposite end adapted for connection to a first turbine stage, and a pair of side panels. The assembly also includes an impingement sleeve 122 surrounding the transition duct and establishing a cooling path therebetween. The impingement sleeve is formed with a plurality of rows of cooling holes 120 therein; and a plurality of flow catcher devices 26 on an external surface of the impingement sleeve, each flow catcher device at least partially surrounding one of the cooling holes.

Spray system, power augmentation system for engine containing spray system and method of humidifying air

The present invention is spray system such as a nozzle array, for more effectively and efficiently delivering liquid spray to air before its intake into an engine, a power augmentation system for an engine comprising the spray system and a method for more effectively humidifying air. The system is comprised of a plurality of independently-operable nozzle stages, which divide the flow path into a plurality of subsections. A group of nozzle stages comprise a unit of the system, which is comprised of a plurality of repeating units. The units are spaced to allow air flow through. The nozzle array is configured to substantially equally humidify the air through each subsection. The design of the nozzle array achieves more uniform mixing of air and water close to the point of injection of the air and water across the entire water injection range. As such, it maximizes the time available for evaporation by the drops in air that is not oversaturated.

Means providing independently controlled superimposed AC and DC voltages

A circuit for combining independently controlled AC and DC voltages in which AC and DC voltages are respectively applied to different inputs of a first amplifier, its output is connected to a first output terminal, the DC voltage is applied to the input of a second amplifier, its output is connected to a second output terminal that is grounded for AC, a voltage divider is connected between said output terminals and the gains of the amplifiers for DC are the same.

Aerodynamic devices for enhancing sidepanel cooling on an impingement cooled transition duct and related method

A transition piece assembly for a gas turbine includes a transition duct having one end adapted for connection to a gas turbine combustor and an opposite end adapted for connection to a first turbine stage, and a pair of side panels. The assembly also includes an impingement sleeve surrounding the transition duct and establishing a cooling path therebetween. The impingement sleeve is formed with a plurality of rows of cooling holes therein; and a plurality of flow catcher devices on an external surface of the impingement sleeve, each flow catcher device at least partially surrounding one of the cooling holes.

Gas turbine engine adapted for use in combination with an apparatus for separating a portion of oxygen from compressed air

A gas turbine engine is provided comprising an outer shell, a compressor assembly, at least one combustor assembly, a turbine assembly and duct structure. The outer shell includes a compressor section, a combustor section, an intermediate section and a turbine section. The intermediate section includes at least one first opening and at least one second opening. The compressor assembly is located in the compressor section to define with the compressor section a compressor apparatus to compress air. The at least one combustor assembly is coupled to the combustor section to define with the combustor section a combustor apparatus. The turbine assembly is located in the turbine section to define with the turbine section a turbine apparatus. The duct structure is coupled to the intermediate section to receive at least a portion of the compressed air from the compressor apparatus through the at least one first opening in the intermediate section, pass the compressed air to an apparatus for separating a portion of oxygen from the compressed air to produced vitiated compressed air and return the vitiated compressed air to the intermediate section via the at least one second opening in the intermediate section.

Soft chewable formed body for the administration to animals

The invention relates to a formed body for the administration to animals and to a process for the production of the formed body for the administration to animals. The formed body serves in particular for the oral administration of pharmaceutically active substances to animals. The formed body for the administration to animals comprises one or more pharmaceutically active substance, one or more flavouring agents, one or more binding agents, one or more gel-forming agents, one or more fillers, water and glycerol.

Soft chewable formed body for the administration to animals

The invention relates to a formed body for the administration to animals and to a process for the production of the formed body for the administration to animals. The formed body serves in particular for the oral administration of pharmaceutically active substances to animals. The formed body for the administration to animals comprises one or more pharmaceutically active substance, one or more flavouring agents, one or more binding agents, one or more gel- forming agents, one or more fillers, water and glycerol.

Method of optimizing premix fuel nozzles for a gas turbine

A method of optimizing a premix fuel nozzle for a gas turbine is provided including the step of providing a nozzle that provides, when the gas turbine is in operation, an axial flow field of an air and fuel mixture flows through the burner tube and around the nozzle tip, and at least two recirculation zones with at least two differing radial extents as part of a toroidal vortex generated on the nozzle tip to provide strong flame holding and flame propagation.

Premix fuel nozzle for a gas turbine and combustor

A nozzle tip (24) for a premix fuel nozzle (12, 22) is provided. The nozzle tip (24) includes an outer body (26) having an outer body external face (36) facing the downstream end of a burner tube (25). The outer body external face (36) has a smaller cross-sectional area than the cross-sectional area of the burner tube (25), and at least one segment (40) radiates radially outwardly toward the internal wall (27) of the burner tube (25) from the outer body (26), wherein each segment (40) has a proximal end (44) disposed adjacently to the outer body external face (36) and a distal end (46) disposed in a direction toward the burner tube (25). Each segment (40) has a segment downstream face (48) angled relatively to the longitudinal axis (B) of the burner tube (25) towards the downstream end of the burner tube (25). When the gas turbine is in operation, an axial flow field of an air and fuel mixture flows through the burner tube (25) and around the nozzle tip (24), and two or more recirculation zones of different radial extent are generated on the nozzle tip (24) by the segments (40) to provide strong flame holding and flame propagation.

Wasserwaschsystem mit abgestuftem kompressor

Soft chewable formed body for the administration to animals

The invention relates to a formed body for the administration to animals and to a process for the production of the formed body for the administration to animals. The formed body serves in particular for the oral administration of pharmaceutically active substances to animals. The formed body for the administration to animals comprises one or more pharmaceutically active substance, one or more flavouring agents, one or more binding agents, one or more gel- forming agents, one or more fillers, water and glycerol.

Soft chewable formed body for the administration to animals

The invention relates to a formed body for the administration to animals and to a process for the production of the formed body for the administration to animals. The formed body serves in particular for the oral administration of pharmaceutically active substances to animals. The formed body for the administration to animals comprises one or more pharmaceutically active substance, one or more flavouring agents, one or more binding agents, one or more gel- forming agents, one or more fillers, water and glycerol.

Corpo macio moldado mastigável para administração a animais.

CORPO MACIO MOLDADO MASTIGÁVEL PARA ADMINISTRAÇÃO A ANIMAIS. A invenção refere-se a um corpo moldado para administração a animais e a um processo para a produção do corpo moldado para administração a animais. O corpo moldado serve especificamente para a administração oral de substâncias farmaceuticamente ativas a animais. O corpo moldado para administração a animais compreende uma ou mais substâncias farmaceuticamente ativas, um ou mais agentes aromatizantes, um ou mais agentes aglutinantes, um ou mais agentes gelificantes, um ou mais enchimentos, água e glicerol.

Attachment system for ceramic combustor liner

Method of optimizing premix fuel nozzles for a gas turbine

A method of optimizing a premix fuel nozzle (12) for a gas turbine is provided. When the gas turbine is in operation, the nozzle (12) comprises an axial flow field of air and fuel mixture flowing through a burner tube (25) and around a nozzle tip (24), and at least two recirculation zones with at least two different radial extents as part of a toroidal vortex generated on the nozzle tip (24) to provide strong flame stability and flame propagation.

Maintenance bypass assembly for uninterruptable power supply

Where an Uninterruptable Power Supply (UPS) is used in a system to ensure highly reliable power supply to an electronic system, occasional maintenance or repair of the UPS or its storage batteries may be required. Effecting this servicing while ensuring that the utility power continues to be supplied to the load may involve a Maintenance Bypass Assembly (MBA) comprising a plurality of manually-operated circuit breakers. The possibility of an incorrect actuation of such circuit breakers is precluded by the coordination of a plurality of electromechanically actuated circuit breakers in communication with a controller that may store a table of permitted state transitions and sequences for safe operation. Such operation may be confirmed by one or more sensors monitored by the controller.

Maintenance bypass assembly for uninterruptable power supply

Where an Uninterruptable Power Supply (UPS) is used in a system to ensure highly reliable power supply to an electronic system, occasional maintenance or repair of the UPS or its storage batteries may be required. Effecting this servicing while ensuring that the utility power continues to be supplied to the load may involve a Maintenance Bypass Assembly (MBA) comprising a plurality of manually-operated circuit breakers. The possibility of an incorrect actuation of such circuit breakers is precluded by the coordination of a plurality of electromechanically actuated circuit breakers in communication with a controller that may store a table of permitted state transitions and sequences for safe operation. Such operation may be confirmed by one or more sensors monitored by the controller.

Attachment system for ceramic combustor liner

Aspects of the invention relate to a system for attaching a ceramic liner (30) to a non-ceramic combustor head-end component while accommodating different rates of thermal expansion of these components. One end (34) of the liner (30) can be received within a slot (20) formed by the combustor head-end component. The liner (30) can be held in place by a plurality of pins (44) with each pin (44) passing through a pair of aligned openings(28, 42) in the liner (30) and the head-end component. The end (34) of the liner (30) can be spaced from each of the walls (22, 24, 26) of the slot (20) so as to form a series of gaps (48, 50, 52) in fluid communication. The gaps (48, 50, 52) and the pins (44) can accommodate differential thermal expansion between the liner (30) and combustor head-end component. If desired, at least some of the gaps (48, 50, 52) can be tightly controlled so as to regulate air leakage around the end (34) of the liner (30).

Attachment system for ceramic combustor liner

Aspects of the invention relate to a system for attaching a ceramic liner (30) to a non-ceramic combustor head-end component while accommodating different rates of thermal expansion of these components. One end (34) of the liner (30) can be received within a slot (20) formed by the combustor head-end component. The liner (30) can be held in place by a plurality of pins (44) with each pin (44) passing through a pair of aligned openings(28, 42) in the liner (30) and the head-end component. The end (34) of the liner (30) can be spaced from each of the walls (22, 24, 26) of the slot (20) so as to form a series of gaps (48, 50, 52) in fluid communication. The gaps (48, 50, 52) and the pins (44) can accommodate differential thermal expansion between the liner (30) and combustor head-end component. If desired, at least some of the gaps (48, 50, 52) can be tightly controlled so as to regulate air leakage around the end (34) of the liner (30).

Maintenance bypass assembly for uninterruptable power supply

Where an Uninterruptable Power Supply (UPS) is used in a system to ensure highly reliable power supply to an electronic system, occasional maintenance or repair of the UPS or its storage batteries may be required. Effecting this servicing while ensuring that the utility power continues to be supplied to the load may involve a Maintenance Bypass Assembly (MBA) comprising a plurality of manually-operated circuit breakers. The possibility of an incorrect actuation of such circuit breakers is precluded by the coordination of a plurality of electromechanically actuated circuit breakers in communication with a controller that may store a table of permitted state transitions and sequences for safe operation. Such operation may be confirmed by one or more sensors monitored by the controller.

A handheld mobile phone retention system for self-portrait photography

There is provided herein a handheld mobile phone retention system for self portrait photography having a glove comprising a first two forefingers sleeve and a releasable behind-thumb retention strap therebehind for securement. The glove comprises a glove snap-on connector may comprise a radial arrangement of magnets configured for magnetic snap-on attachment to a corresponding mobile phone snap-on connector similarly comprising a radial arrangement of magnets. The radial arrangements of magnets allow for rotatably engagement thereby allowing quick pivoting of the mobile phone device between desirous orientations such as portrait and landscape orientations without requiring disconnection. At each orientation, the magnets preferably directly align, thereby maximising the magnetic attraction at each orthogonal orientation.

Method of separating sealed parts

Soft chewable formed body for the administration to animals

The invention relates to a formed body for the administration to animals and to a process for the production of the formed body for the administration to animals. The formed body serves in particular for the oral administration of pharmaceutically active substances to animals. The formed body for the administration to animals comprises one or more pharmaceutically active substance, one or more flavouring agents, one or more binding agents, one or more gel- forming agents, one or more fillers, water and glycerol.

Compositions having improved wetting properties

Method of separating sealed parts

Compositions having improved wetting properties

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