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| Number | Title | Issue Date |
| 7461772 | Silver/aluminum/copper/titanium/nickel brazing alloys for brazing WC-Co to titanium alloys A brazing material including about 20 to about 60 percent by weight silver, about 1 to about 4 percent by weight aluminum, about 20 to about 65 percent by weight copper, about 3 to about 18 percent by weight titanium and about 1 to about 4 percent by weight nickel. | 12/09/2008 |
| 7461544 | Methods for detecting water induction in steam turbines A method of detecting water induction in a steam turbine that may include the steps of: measuring the temperature of one of the steam lines of the steam turbine at regular intervals; recording the temperature measurements; and determining, from the recorded temperat... | 12/09/2008 |
| 7452517 | Integrated approach to reduction of mercury emissions Method for reducing mercury emissions from coal-fired combustion comprising staging of a combustion unit to remove mercury with fly ash from the flue gas, introducing activated carbon to remove mercury from the flue gas, and collecting the fly ash, activated carbon,... | 11/18/2008 |
| 7445427 | Variable stator vane assembly and bushing thereof A variable stator vane assembly and a bushing thereof. The bushing includes a metal bushing body and a wear-resistant coating. The assembly includes a rotatable trunnion and a first metal bushing. The trunnion is capable of being located in a through hole extending ... | 11/04/2008 |
| 7436280 | High-voltage transformer winding and method of making An electric winding is formed by the juxtaposition of several disks, each disk being made of an electric insulating material of good thermal conductivity and presenting a spiral-shaped groove in which an electric conductor is accommodated. The winding is applicable ... | 10/14/2008 |
| 7434720 | Gold/nickel/copper/titanium brazing alloys for brazing WC-Co to titanium alloys A brazing material including about 20 to about 60 percent by weight gold, about 6 to about 16 percent by weight nickel, about 16 to about 60 percent by weight copper and about 6 to about 16 percent by weight titanium. ... | 10/14/2008 |
| 7434313 | Method for repairing a turbine engine vane assembly and repaired assembly A repaired turbine engine stationary vane assembly, including at least one airfoil bonded between inner and outer bands, is provided by a method of providing first and second vane assembly members bonded at respective circumferential edges, for example by brazing or... | 10/14/2008 |
| 7376599 | Virtual warehouse parts distribution system and process A parts distribution system and process uses a computer network, particularly the Internet, to efficiently distribute spare parts in a cost-effective manner. The system includes a plurality of buyer computers for operation by a system participant desiring to obtain ... | 05/20/2008 |
| 7367776 | Turbine engine stator including shape memory alloy and clearance control method A turbine engine stator assembly in juxtaposition across a radial gap with a rotary blading assembly includes a radially movable shroud and a gap control member made of at least one shape memory alloy (SMA). The SMA is selected and preconditioned to deform pre-selec... | 05/06/2008 |
| 7353715 | System, apparatus and method for testing under applied and reduced loads A system which cyclically applies and reduces a load on a test specimen and which can use an apparatus comprising: (a) a frame; (b) a load adjusting section having a fluidic mechanical muscle that contracts and extends in length to cyclically apply and reduce a load... | 04/08/2008 |
| 7351482 | Ceramic compositions for thermal barrier coatings stabilized in the cubic crystalline phase Zirconia-containing ceramic compositions that are capable of providing thermal barrier coatings wherein the zirconia is stabilized in the cubic crystalline phase. These compositions comprise at least about 50 mole % zirconia and a stabilizing amount up to about 49 m... | 04/01/2008 |
| 7329093 | Nozzle blade airfoil profile for a turbine First stage stator vanes for a turbine comprised airfoil profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I, which define a plurality of radially spaced profile sections forming the nominal profile. The ... | 02/12/2008 |
| 7328832 | Gold/nickel/copper brazing alloys for brazing WC-Co to titanium alloys A brazing material including about 40 to about 60 percent by weight gold, about 5 to about 16 percent by weight nickel and about 35 to about 55 percent by weight copper. ... | 02/12/2008 |
| 7328623 | Temperature and/or pressure sensor assembly A sensor assembly includes a housing and a tube. The housing has a first leading edge portion which is capable of being located in a compressor/fan inlet flow path and which includes an interior wall section. The tube has a proximal portion including an air inlet wh... | 02/12/2008 |
| 7314674 | Corrosion resistant coating composition, coated turbine component and method for coating same A composition comprising a particulate corrosion resistant component, and a glass-forming binder component. The particulate corrosion resistant component comprises from 0 to about 95% alumina particulates, and from about 5 to 100% corrosion resistant non-alumina par... | 01/01/2008 |
| 7298146 | Method and apparatus of manual pre-scan spatial and spectral data acquisition A method of pre-scan data acquisition includes the application of a pre-scan pulse sequence to acquire MR signals from a region-of-interest to be imaged with an imaging pulse sequence. The pre-scan pulse sequence applies a pre-scan readout gradient pulse and a pre-s... | 11/20/2007 |
| 7291544 | Homoepitaxial gallium nitride based photodetector and method of producing A photodetector (100, 200, 300) comprising a gallium nitride substrate, at least one active layer (104, 302) disposed on the substrate (102, 202, 306), and a conductive contact structure (106, 210, 308) affixed to the active layer (104... | 11/06/2007 |
| 7279223 | Underfill composition and packaged solid state device An underfill composition with enhanced adhesion and improved resistance to cracking comprising an epoxy resin in combination with a difunctional siloxane anhydride epoxy hardener and optional reagents. In some embodiments, the epoxy resin includes a functionalized c... | 10/09/2007 |
| 7275300 | Process for rapid on-demand stator rewinds in electrical generators The process for stator bar rewinds includes disassembly of the stator bars at the generator site, measurement of the stator bars, forwarding digital representations of the measurements to a manufacturing center and forming 3-Dimensional models of the stator bars req... | 10/02/2007 |
| 7270518 | Steep angle turbine cover buckets having relief grooves Steam turbine bucket covers have forward and aft clearance surfaces on a pressure side edge of the cover, a contact surface between the clearance surfaces and an undercut fillet between the forward clearance surface and the contact surface. The adjoining bucket cove... | 09/18/2007 |
| 7268565 | System and method for detecting rail break/vehicle A system for detecting a rail break or train occupancy includes a current source adapted to deliver a current to an isolated block of a rail track. A voltage sensor is coupled to the isolated block and configured to detect voltage across the isolated block. A shunt ... | 09/11/2007 |
| 7255940 | Thermal barrier coatings with high fracture toughness underlayer for improved impact resistance A reduced thermal conductivity thermal barrier coating having improved impact resistance for an underlying substrate of articles that operate at, or are exposed to, high temperatures. This coating comprises an inner high fracture toughness layer nearest to the under... | 08/14/2007 |
| 7228683 | Methods and apparatus for generating gas turbine engine thrust using a pulse detonator Methods and apparatus for generating thrust from a gas turbine engine using a pulse detonation system is provided. The gas turbine engine includes a fan assembly, and a bypass duct channeling air to a core engine and the pulse detonation system. The method includes ... | 06/12/2007 |
| 7212284 | Method for forming nanoparticle films and application thereof Disclosed herein is a method for making a nanoparticle film comprising dispersing nanoparticles in a first liquid; adding a second liquid to the first liquid to form a nanoparticle film on top of a solution comprising the first liquid, the second liquid and the nano... | 05/01/2007 |
| 7206460 | Method for contrast matching of multiple images of the same object or scene to a common reference image A method of imaging and a system therefore are provided. The imaging system includes an image forming device for generating a first image and a second image and a controller coupled to the image forming device. The controller receives the first image and the second ... | 04/17/2007 |
| 7197116 | Wide scanning x-ray source An imaging tube (12) includes a cathode (30) that emits an electron beam (32) and an anode (38). The anode (38) includes multiple target surfaces (36). Each of the target surfaces (36) has a focal spot that receives t... | 03/27/2007 |
| 7197115 | Cantilever and straddle x-ray tube configurations for a rotating anode with vacuum transition chambers An imaging tube assembly (11) for a computed tomography (CT) system (10) includes an insert (60) that has a vacuum chamber (72). An anode (58) resides within the vacuum chamber (72) and rotates on a shaft (66) via one... | 03/27/2007 |
| 7197353 | Sensitivity encoding MRI acquisition method A sensitivity encoding method (SENSE) is used to acquire an MR image having a reduced field of view. The number of aliased replicates caused by surrounding object boundaries is calculated for each image pixel location to obtain optimal aliasing artifact suppression ... | 03/27/2007 |
| D527459 | Tiltable patient positioning table | 08/29/2006 |
| 6495654 | Process for preparing polycarbonate A process for quenching a catalyst used in the manufacture of polycarbonate by melt polycondensation of a dihydroxy compound and a diester. The process includes adding a sulfonic acid ester quencher to the polycarbonate and extruding the polycarbonate, wh... | 12/17/2002 |
| 6382816 | Protected coating for energy efficient lamp A reflector lamp has a generally parabolic shaped housing (12) with an interior surface coated with a layer (14) of silver having a protective layer (16) of a stable protective oxide, such as silica, disposed thereon. An intermediate layer (18), such as a... | 05/07/2002 |
| 6243433 | Cladding for use in nuclear reactors having improved resistance to stress corrosion cracking and corrosion An improved fuel element for use in a nuclear reactor comprised of a central core of nuclear material, which is surrounded by a composite cladding. The cladding has an outer metallic tubular portion comprised of well-known cladding alloys used for such pu... | 06/05/2001 |
| 5961280 | Anti-hysteresis brush seal A brush seal which, among other applications, may be used for sealing a steam leakage gap between a steam turbine rotor and a steam turbine casing. A brush seal backing plate has a surface which includes adjacent first and second areas. First and second b... | 10/05/1999 |
| 5817023 | Ultrasound imaging system with dynamic window function generator A phased array sector scanning ultrasonic system includes a separate receive channel for each respective element in an ultrasonic transducer array. Each receive channel imparts a delay to the echo signal produced by each respective element. The delayed ec... | 10/06/1998 |
| 5807253 | Patient electrical isolation system A patient isolation device is used as a safety device to provide electrical insulation between medical electronic equipment and portions of the equipment which come in contact with the patient. In one implementation of the patient isolation device, an RF ... | 09/15/1998 |
| 5796214 | Ballast circuit for gas discharge lamp A ballast circuit for a gas discharge lamp comprises a resonant load circuit incorporating the gas discharge lamp and including a resonant inductance and a resonant capacitance. A d.c.-to-a.c. converter circuit induces an a.c. current in the resonant load... | 08/18/1998 |
| 5710405 | Method for developing residual compressive stress in stainless steel and nickel base superalloys Compressive residual stresses can be developed by underwater plasma transferred arc welding. The development of these compressive stresses act to prevent hot cracking and He embrittlement that can develop during welding or stress corrosion cracking that c... | 01/20/1998 |
| 5532601 | Circuit integrity test system A system for testing the integrity of critical circuitry, lines and wires employs a differential amplifier having an input resistance Rin and a feedback loop with a resistance Rfb. The critical wires being tested must be a signal wir... | 07/02/1996 |
| 4785634 | Air turbine cycle The use of hot gas generators which produce corrosive or abrasive products of combustion have precluded the use of gas turbines in a direct flow path of the combustion products. It is preferable to utilize non-contact gas to gas heat exchangers in order t... | 11/22/1988 |
