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| Number | Title | Issue Date |
| 7097417 | Cooling system for an airfoil vane A turbine vane for a turbine engine having a cooling system in inner aspects of the turbine vane. The cooling system includes one or more vortex forming chambers proximate to the intersection of an airfoil forming a portion of the turbine vane and an endwall to whic... | 08/29/2006 |
| 7096671 | 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.... | 08/29/2006 |
| 7096673 | Blade tip clearance control Aspects of the invention relate to methods and assemblies for improving the efficiency of a turbine engine through active management of blade tip clearances. In some designs, a portion of compressor exit air is routed to the rotor and discs of the turbine section. A... | 08/29/2006 |
| 7093359 | Composite structure formed by CMC-on-insulation process A method of manufacturing a composite structure uses a layer of an insulating material (22) as a mold for forming a substrate of a ceramic matrix composite (CMC) material (24). The insulating material may be formed in the shape of a cylinder (10... | 08/22/2006 |
| 7093837 | Turbine spring clip seal An improved turbine spring clip seal for directing gases to be mixed with fuel in a combustor basket. The turbine spring clip seal is composed of inner and outer housings and a center sealing member disposed between the inner and outer housings. The center sealing m... | 08/22/2006 |
| 7090461 | Gas turbine vane with integral cooling flow control system A turbine vane usable in a turbine engine and having at least one cooling system. The cooling system includes a leading edge cavity and a trailing edge cavity. The cavities may be separated with a metering rib having one or more metering orifices for regulating flow... | 08/15/2006 |
| 7080515 | 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 ... | 07/25/2006 |
| 7066699 | Tensioning apparatus and method A system (150) and method of tensioning a bolt (44) across a flange assembly (42). A tensioning apparatus (40) includes the bolt and an unthreaded nut (48) connected to the shank member by an interference fit. The interference fit ... | 06/27/2006 |
| 7062971 | Monitoring thermal barrier coating deterioration via acoustic response to gas flow, pressure and impact A method of monitoring the condition of a thermal barrier coating on a turbine blade or vane during operation of the turbine is provided. The method includes providing a means for receiving acoustic output of the blade or vane during operation of the turbine and mon... | 06/20/2006 |
| 7060971 | Reference standard systems for thermosonic flaw detection A flaw inspection system (10) contains a substrate (12) to be inspected, such as a generator tube wall, a rotor of a generator, an aircraft skin, having or thought to have interior defects (24, 26) such as stress cracks, where the substrate (... | 06/13/2006 |
| 7035763 | Systems and methods for selecting training data and generating fault models for use in use sensor-based monitoring A system for generating a sensor model for use in sensor-based monitoring is provided. The system includes a segmenting module for segmenting a collection of sensor vectors into a plurality of bins comprising distinct sensor vectors. The system also includes a set-g... | 04/25/2006 |
| 7029235 | Cooling system for a tip of a turbine blade A turbine blade for a turbine engine having at least one secondary flow deflector proximate to a blade tip for reducing the effective flow path between the blade tip and an adjacent outer seal. The turbine blade may be a superblade having a central opening forming a... | 04/18/2006 |
| 7017330 | Water and sulfur removal from combustion turbine exhaust A combustion turbine power plant (10) incorporating a desiccating scrubber (140) for simultaneously removing water and sulfur from a flue gas (20) of the power plant (10). The desiccating scrubber (140) may include an inlet nozzle ... | 03/28/2006 |
| 7017415 | Apparatus for sensing pressure fluctuations in a hostile environment A pressure sensor (52) for a harsh environment such as the combustion chamber (58) of a gas turbine engine (50). The pressure sensor includes an acoustic waveguide (60) having a sensing portion (66) exposed to the combustion gas in... | 03/28/2006 |
| 7018446 | Metal gas separation membrane A high temperature hydrogen gas separation membrane employing a physically interlocking barrier layer to form a spinel or intermetallic architecture bonding the metal barrier layer onto the surface of a fibrous metal medial structural support substrate. A tantalum/n... | 03/28/2006 |
| 7008170 | Compressor diaphragm with axial preload Aspects of the invention relate to a system for reducing relative movement between the outer shroud of a compressor diaphragm and the compressor cylinder of a turbine engine, thereby minimizing the wearing of these parts. Embodiments of the invention include a syste... | 03/07/2006 |
| 7004475 | Flow dam design for labyrinth seals to promote rotor stability A method and apparatus for reducing steam swirl in a steam turbine. A plurality of seal segments (14) are circumferentially juxtaposed to form a seal ring (12) encircling the turbine shaft (10), each seal segment (14) supporting a plurali... | 02/28/2006 |
| 7002270 | Generator rotor conductive path for connecting to a top-turn of a winding A joined assembly and kit for a rotor of a dynamoelectric machine are provided. The joined assembly is part of a conductive path generally extending from a radially inward section of the rotor to a radially outward section of the rotor. The conductive path includes ... | 02/21/2006 |
| 7001679 | Protective overlayer for ceramics A xenotime phosphate protective overlayer (22) for protecting a ceramic material (24) from a high temperature, moisture-containing environment. Yttrium phosphate may be used as a protective overlayer to protect an underlying mullite layer to temperatur... | 02/21/2006 |
| 7002278 | Support structure for high-voltage conductors A support structure (20) is provided for supporting and spacing apart high-voltage electrical conductors (12) in an electric machine. An exemplary support structure (20) includes an improved spacer block (32,33) that is configured to redu... | 02/21/2006 |
| 6998618 | Integral condition monitor for detecting overheating in an electric generator The present invention provides a flange-mounted condition monitor (30) that can be mounted to an access flange (21) on an access opening (20) on the housing (13) of a generator (10). The condition monitor (30) forms an integ... | 02/14/2006 |
| 6996991 | Fuel injection system for a turbine engine A fuel system for a turbine engine for reducing CO emissions caused during fuel staging processes while the turbine engine operates at reduced loads. The fuel system may include a first premix injector assembly and a second premix injector assembly, each formed from... | 02/14/2006 |
| 6992315 | In situ combustion turbine engine airfoil inspection A system (10) for imaging a combustion turbine engine airfoil includes a camera (12) and a positioner (24). The positioner may be controlled to dispose the camera within an inner turbine casing of the engine at a first position for acquiring a f... | 01/31/2006 |
| 6989173 | Patching resins for insulating tapes The present invention comprises a polymeric epoxy patching resin containing metal intercalated AlSiO structures. The AlSiO structures are typically nanoclays, and the preferred metals are Cr, Sn and Zn, and mixtures thereof. The patching resin is applied to damaged ... | 01/24/2006 |
| 6987337 | Cam locked air gap baffle assembly for a dynamoelectric machine A baffle system for routing cooling fluids through a dynamoelectric machine. The baffle system may include a locking cam mechanism for releaseably attaching a baffle to a stator assembly to substantially eliminate an annular air gap between a rotor assembly and a st... | 01/17/2006 |
| 6984467 | Plasma sprayed ceria-containing interlayer A plasma sprayed ceria-containing interlayer is provided. The interlayer has particular application in connection with a solid oxide fuel cell used within a power generation system. The fuel cell advantageously comprises an air electrode, a plasma sprayed interlayer... | 01/10/2006 |
| 6984277 | Bond enhancement for thermally insulated ceramic matrix composite materials A composite structure (62) having a bond enhancement member (76) extending across a bond joint (86) between a ceramic matrix composite (CMC) material (80) and a ceramic insulation material (82), and a method of fabricating such a s... | 01/10/2006 |
| 6984101 | Turbine vane plate assembly A turbine vane assembly includes a turbine vane having first and second shrouds with an elongated airfoil extending between. Each end of the airfoil transitions into a shroud at a respective junction. Each of the shrouds has a plurality of cooling passages, and the ... | 01/10/2006 |
| 6977060 | Method for making a high temperature erosion resistant coating and material containing compacted hollow geometric shapes A method for making a material system includes the steps of: providing a chamber, placing hollow geometric shapes in the chamber, closing the chamber, evacuating air from the chamber, feeding a binder for the shapes into the evacuated chamber to impregnate the geome... | 12/20/2005 |
| 6968696 | Part load blade tip clearance control Aspects of the invention relate to a turbine engine configuration and method for overcoming a turbine blade tip clearance problem that can arise when the turbine inlet temperature is maintained at a high level during part load operation of the turbine. Aspects of th... | 11/29/2005 |
| 6966186 | Non-catalytic combustor for reducing NOx emissions A gas turbine engine combustor (26) including a primary combustion chamber (28), a mixer element (34), a mixing chamber (46) and a secondary combustion chamber (48). The primary combustion chamber receives a fuel oxidizer mixture f... | 11/22/2005 |
| 6966755 | Compressor airfoils with movable tips Aspects of the invention relate to a compressor system for a turbine engine that not only allows for larger compressor blade tip clearances as the engine passes through non-standard operating conditions, but also minimizes clearances during normal engine operation, ... | 11/22/2005 |
| 6964554 | Drop-in nozzle block for steam turbine A drop-in nozzle block (40) formed in two 180° segments (52) that can be simply lowered into position within the nozzle chamber casing of a steam turbine (42). An entire 180° segment can be lowered into position because an inner arcuate portio... | 11/15/2005 |
| 6957540 | Multi-mode complex cycle power plant A power plant (10) including a boiler unit portion (12) and a gas turbine unit portion (14) operable in multiple modes, including operation of the boiler unit portion independent of the gas turbine unit portion. Exhaust gas from the gas turbine ... | 10/25/2005 |
| 6955525 | Cooling system for an outer wall of a turbine blade A turbine blade for a turbine engine having a cooling system in at least an outer wall. The cooling system in at least the outer wall formed from at least a first plurality of parallel cavities intersected by a second plurality of parallel cavities positioned in a n... | 10/18/2005 |
| 6955523 | Cooling system for a turbine vane A turbine vane usable in a turbine engine and having at least one cooling system. The cooling system including an aft cooling circuit formed from at least one serpentine cooling path. The serpentine cooling path having at least one rib may include bypass orifices fo... | 10/18/2005 |
| 6956459 | Sensing apparatus for blown fuse of rectifying wheel and associated methods A blown fuse proximity sensing device 40 is for use with a rectifying wheel 37 of a type including rectifying diodes 38 and associated fuses 42. Each fuse 42 may include a housing 51, a fuse element 52 carried by the ... | 10/18/2005 |
| 6948939 | Method and apparatus for a multiple fin style current connector In one embodiment the present invention is an MLB assembly 6 that is made up of two circular terminal conductor ends 2, 4. Multiple fins 10 radially extend from each of the two circular terminal conductor ends 2, 4, and each fin on each o... | 09/27/2005 |
| 6949922 | Turbine blade clearance on-line measurement system A system (90) for measuring the gap (16) between a rotating blade (14) and a stationary component (12) of a turbo-machine, including an eddy current coil (30) and an eddy current tester (91). The eddy current tester may exci... | 09/27/2005 |
| 6946208 | Sinter resistant abradable thermal barrier coating An abradable thermal barrier coating material (10) formed of a highly defective fluorite ceramic matrix (16) having a desired degree of porosity (18) created in part by the addition of a fugitive material (19). The ceramic material has a ... | 09/20/2005 |
