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Rotary kinetic fluid motors or pumps March listing by industry category 03/10

20100074725 - Method for controlling a turpocompressor: Method for controlling a turbocompressor, whereby a compressed air line (5) is connected to this turbocompressor (1) with a non-return valve (6) provided therein, characterised in that, when one or several process parameters exceed a predetermined limit, the rotational speed of the turbocompressor (1) will be reduced very suddenly to... Agent: Bacon & Thomas, PLLC

20100074726 - Gas turbine airfoil: A gas turbine airfoil (20) having a load-bearing core (30). A honeycomb structure (40A, 42A) is attached to pressure and/or suction sides (22, 24) of the core and is filled with ceramic insulation (50). A ceramic matrix composite boot (60A, 60B, 60C) may cover the leading edge (26) of the... Agent: Siemens Corporation Intellectual Property Department

20100074727 - Method and apparatus for monitoring blade vibration with an imaging fiber optic ribbon probe: A method and apparatus for monitoring blade vibrations in a turbine engine having blade tip target portions associated with blades. An illumination conduit including a plurality of optical fibers conveys light from a light source to a transmission end of the optical fibers where the light is focused to define... Agent: Siemens Corporation Intellectual Property Department

20100074728 - Fan with sound-muffling box: A fan (60) with a sound deadening box has in its body (3) a double inlet centrifugal fan (9) and an inlet-port sound absorber (11) formed between the fan (9) and a body air inlet (1). The fan (60) further includes a casing-inlet-port-side air passage (26) and triangular prism shaped... Agent: Panasonic Patent Center

20100074729 - Compressible ceramic seal: A stack of substantially parallel ceramic plates (22) separated and interconnected by ceramic spacers (26, 27) forming a seal structure (20) with a length (L), a width (W), and a thickness (T). The spacers are narrower in width than the plates, and may be laterally offset from spacers in adjacent... Agent: Siemens Corporation Intellectual Property Department

20100074730 - Gas turbine sealing apparatus: A gas turbine comprises forward and aft rows of rotatable blades coupled to a disc/rotor assembly, a row of stationary vanes positioned between the forward and aft rows of rotatable blades, and rotatable sealing apparatus. Each of the stationary vanes comprises an inner diameter platform having first sealing structure. The... Agent: Siemens Corporation Intellectual Property Department

20100074731 - Gas turbine sealing apparatus: A gas turbine includes forward and aft rows of rotatable blades, a row of stationary vanes between the forward and aft rows of rotatable blades, an annular intermediate disc, and a seal housing apparatus. The forward and aft rows of rotatable blades are coupled to respective first and second portions... Agent: Siemens Corporation Intellectual Property Department

20100074732 - Gas turbine sealing apparatus: A sealing apparatus in a gas turbine. The sealing apparatus includes a seal housing apparatus coupled to a disc/rotor assembly so as to be rotatable therewith during operation of the gas turbine. The seal housing apparatus comprises a base member, a first leg portion, a second leg portion, and spanning... Agent: Siemens Corporation Intellectual Property Department

20100074733 - Ingestion resistant seal assembly: A seal assembly limits gas leakage from a hot gas path to one or more disc cavities in a gas turbine engine. The seal assembly includes a seal apparatus associated with a blade structure including a row of airfoils. The seal apparatus includes an annular inner shroud associated with adjacent... Agent: Siemens Corporation Intellectual Property Department

20100074734 - Turbine seal assembly: A seal assembly that limits gas leakage from a hot gas path to one or more disc cavities in a turbine engine. The seal assembly includes a seal apparatus that limits gas leakage from the hot gas path to a respective one of the disc cavities. The seal apparatus comprises... Agent: Siemens Corporation Intellectual Property Department

20100074735 - Thermal shield at casing joint: A thermal shield for reducing thermal stress induced proximate to a first joint formed between adjacent engine casing components in a gas turbine engine. The thermal shield includes a cover structure for covering a radially inner portion of at least one of the engine casing components. The cover structure is... Agent: Siemens Corporation Intellectual Property Department

20100074736 - Thermal management system: In one embodiment a gas turbine engine is disclosed having a heat exchanger at least partially disposed in a bypass duct. In one form the gas turbine engine is a high bypass ratio engine. The heat exchanger may be coupled with a directed energy weapon to provide coolant flow and... Agent: Krieg Devault LLP

20100074737 - Steam turbine: A steam turbine with at least one magnetic bearing for the shaft is provided, a metal paneling being attached in the area of a magnetic bearing. The metal paneling consists of metal rings insulated from one another. Further, cooling air ducts are provided in the area of the magnetic bearing.... Agent: Siemens Corporation Intellectual Property Department

20100074738 - Blower: A blower (1) has a blow fan (20) provided in a casing (10), a drive device (30) for rotating the blow fan (20), and a blow duct (40) for discharging airflow outside, which the air flow is generated by the rotating blow fan (20), wherein a dust proof cover (60)... Agent: Merchant & Gould PC

20100074739 - Passive boundary layer bleed system for nacelle inlet airflow control: A gas turbine engine system includes a nacelle having a pressure side and a suction side. A passage extends between the pressure side and the suction side that permits airflow from the pressure side to the suction side. The passage receives turbulent airflow over the nacelle to produce a laminar... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20100074741 - Highly corrosion-resistant fixed blade assembly for a steam turbine, in particular a geothermal impulse turbine: A highly corrosion-resistant fixed blade assembly (20) for a steam turbine, in particular a geothermal impulse turbine, is formed by an array (11) of stator blades (12), supported at their respective longitudinally opposite ends (27, 28) by an outer (21) and an inner ring (22). Each blade (12), made with... Agent: The Belles Group, P.C.

20100074740 - Vane ring, and method for the production thereof: The invention relates to a vane ring of a turbo engine, particularly a gas turbine, comprising a vane support ring and several guide vanes that are mounted on the vane support ring. According to the invention, the vane support ring and the guide vanes are made of different materials, the... Agent: Howison & Arnott, L.l.p

20100074742 - Centrifugal fan: A centrifugal fan includes a housing, a spiral impeller, a suction interrupting member. The housing includes a suction port and a discharge port. The housing further includes an outwardly curved cutoff portion at a side of the discharge port. The spiral impeller is coupled with a motor to suck air... Agent: Cha & Reiter, LLC

20100074743 - Air diffuser for a hvac system: A diffuser for carrying air flow to an evaporator in an air conditioning system of an automotive vehicle includes an inlet and an outlet, a wall extending between the inlet and the outlet, and a guide vane, extending at least partially between the inlet and the outlet, spaced from the... Agent: Automotive Components Holdings LLC C/o Macmillan, Sobanski & Todd, LLC

20100074744 - Fabricated turbine housing: A turbine housing is provided. The turbine housing includes a tongue diverter to manage the interaction between exhaust gases entering the inlet of the housing and gasses flowing within the housing. The tongue member may also be arranged to produce a constant ratio throughout the turbine housing between the cross-sectional... Agent: Mcdonald Hopkins LLC

20100074745 - Dual stage turbine shroud: A turbine shroud includes a shroud hanger having an arcuate panel from which three inner hooks extend inwardly, and from which two outer hooks extend outwardly therefrom. The two outer hooks effect a statically determinate configuration of the shroud.... Agent: Francis L. Conte, Esq.

20100074746 - Fan positioning structure: A fan positioning structure includes a base, a cover, and a fan. Through configuring a rotating shaft of the fan, one end of the fan presses against a stopping portion of the base, and the other end of the fan bears against a stopper of the cover, such that the... Agent: Morris Manning Martin LLP

20100074747 - Mini axial fan with an improved core shaft structure: A mini axial fan includes a fan housing and a fan unit, which is mounted in the fan housing. The fan unit has a hub with integrated blades around the periphery and integrated axles at front and back sides, and two metal pins respectively press-fitted into a respective blind hole... Agent: Pai Patent & Trademark Law Firm

20100068028 - Reduced tip clearance losses in axial flow fans: An axial fan assembly including a casing wall with a forward facing step formed therein and a fan rotor with blade tips, each having an aft facing step which radially overlaps the casing step so as to reduce the clearance backflow loss in the assembly. A vane is attached to... Agent: Marjama Muldoon Blasiak & Sullivan LLP

20100068029 - Wind turbine with mixers and ejectors: A Mixer/Ejector Wind Turbine (“MEWT”) system is disclosed which routinely exceeds the efficiencies of prior wind turbines. Unique ejector concepts are used to fluid-dynamically improve many operational characteristics of conventional wind/water turbines for potential power generation improvements of 50% and above. Applicants' preferred MEWT embodiment comprises: an aerodynamically contoured turbine... Agent: Fay Sharpe LLP

20100068030 - Wind energy system: A wind energy system 10 comprises a wind tunnel module 12 having openings 14a and 14b at opposite ends. The openings have substantially the same cross-sectional area although the cross-sectional area of the wind tunnel module 12 decreases from the openings 14a and 14b in a direction toward an intermediate... Agent: Wells St. John P.s.

20100068031 - Multiple-stage centrifugal pump including a controlled leakage hydraulic balancing drum: A multiple-stage centrifugal pump comprises a balancing drum coupled to the pump shaft, being axially locked, and turning in a pump body cavity with a minimum clearance; a rotary ring element mounted on the balancing drum and rotating therewith, but being able of axially moving with respect to the rotary... Agent: Hedman & Costigan P.C.

20100068034 - Cmc vane assembly apparatus and method: A metal vane core or strut (64) is formed integrally with an outer backing plate (40). An inner backing plate (38) is formed separately. A spring (74) with holes (75) is installed in a peripheral spring chamber (76) on the strut. Inner and outer CMC shroud covers (46, 48) are... Agent: Siemens Corporation Intellectual Property Department

20100068033 - Turbine airfoil cooling system with curved diffusion film cooling hole: A cooling system for a turbine airfoil of a turbine engine having at least one diffusion film cooling hole positioned in an outer wall defining the turbine airfoil is disclosed. The diffusion film cooling hole includes a first sidewall having a first radius of curvature about an axis generally orthogonal... Agent: Siemens Corporation Intellectual Property Department

20100068032 - Turbine airfoil cooling system with diffusion film cooling hole: A cooling system for a turbine airfoil of a turbine engine having at least one diffusion film cooling hole positioned in an outer wall defining the turbine airfoil is disclosed. The diffusion film cooling hole includes a first section extending from an inner surface of the outer wall into the... Agent: Siemens Corporation Intellectual Property Department

20100068035 - Apparatus and method for cooling a turbine: A cooling system for a turbine includes a blower configured to generate a cooling gas flow to be passed through a rotor cavity of the turbine; piping configured to deliver the cooling gas flow to the turbine; and at least one valve configured to control the cooling gas flow. The... Agent: Nixon & Vanderhye P.C.

20100068036 - Auxiliary power unit inlet duct with acoustic silencing: An inlet duct for an auxiliary power unit comprises an inlet end, and extends to an outlet end. At least one splitter is positioned within the duct and between the inlet and the outlet end to sub-divide an interior of the duct into plural flow paths.... Agent: Carlson, Gaskey & Olds, P.C.

20100068037 - Turbines having a debris release chute: In a hydroelectric turbine having a rotor disposed within a housing, the rotor having an annular outer rim received by a channel in the housing, the improvement comprising providing at least one debris release chute in said housing such that debris captured between the rotor and the housing is released... Agent: Van Dyke, Gardner, Linn & Burkhart, LLP

20100068038 - Fan assembly: One embodiment of a fan assembly includes a housing having a base member and a lip member extending outwardly from the base member for defining an enclosure. The fan assembly may further include a toothed track assembly, a wheel assembly, a first motor, a second motor, and a fan member.... Agent: Intellipex PLLC

20100068039 - Turbofan engine with variable bypass nozzle exit area and method of operation: (A1)) A turbofan engine includes core and fan nacelles that provide a bypass flow path having a nozzle exit area. The bypass flow path carries a bypass flow to be expelled from the nozzle exit area. A turbofan is arranged within the fan nacelle and upstream from the core nacelle... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20100068040 - Exhaust guide member of nozzle vane-type turbocharger: In a turbocharger equipped with a nozzle vane for changing the speed of exhaust gas running through a turbine in accordance with the speed of engine revolution, the member to constitute the nozzle vane and to constitute an exhaust guide for guiding exhaust gas to the turbine is characterized in... Agent: Clark & Brody

20100068041 - Shroud for a turbomachine: A turbomachine includes a casing defining a hot gas path, and a shroud member attached to the casing. The shroud member is spaced from the casing to define a gap. The shroud member includes a first end having a first hook member provided with a first sealing surface and a... Agent: Cantor Colburn, LLP

20100068042 - Brush seal for a turbo-machine: A brush seal for a turbo-machine for sealing a gap between a rotating and a stationary component is disclosed. Elastically flexible bristles are arranged in a plurality of rows that are adjacent to each other. A film or a disk is arranged between at least two rows of bristles, the... Agent: Siemens Corporation Intellectual Property Department

20100068043 - Cooling structure for outer surface of a gas turbine case: A gas turbine case is provided including an outer case surface, and a channel portion formed as a recessed area extending radially inwardly into the outer case surface. The channel portion extends about a circumference of the case. An outer flow jacket is attached to the outer case surface and... Agent: Siemens Corporation Intellectual Property Department

20100068044 - Compressor: A compressor which includes: an inner casing arranged so as to cover a rotor shaft; an outer casing arranged so as to cover the inner casing and forming a fluid flow path around the rotor shaft; and a plurality of struts mounted in the entrance of the fluid flow path... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100068045 - Inlet guide vane: An inlet guide vane having a nominal profile substantially in accordance with Cartesian coordinate values of x, y, and z set forth in TABLE 1 reduces vibration of engine components at various operating conditions. A scaling factor can be applied to the values to make the airfoil larger or smaller.... Agent: Cantor Colburn, LLP

20100068046 - Volute of lower end unit of fuel cell system: A lower end unit of a fuel cell system defines a volute of a pump. The volute may have a reinforcement that is disposed on a working area of the volute.... Agent: General Motors Corporation C/o Reising, Ethington, Barnes, Kisselle, P.C.

20100068047 - Centrifugal blower: A centrifugal blower includes a housing (10), a cover (30) arranged on the housing, and an impeller (20) received in a space (25) formed between the housing and the cover. The housing includes a bottom wall (11) and a sidewall (12) surrounding the bottom wall. The sidewall defines an air... Agent: PCe Industry, Inc. Att. Steven Reiss

20100068048 - Stator vane profile optimization: An airfoil for a stator vane having an uncoated profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table I is provided. The profile is carried only to three decimal places wherein Z is a distance from a platform on which the airfoil... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20100068049 - Features to properly orient inlet guide vanes: Several physical features on an inlet guide vane (IGV) ensure proper orientation of the IGV within a compressor during assembly. A gear with several teeth removed results in a flat surface on the gear which inhibits the gear from rotating on the rack of the compressor inlet casing. An orientation... Agent: Cantor Colburn, LLP

20100068050 - Gas turbine vane attachment: Base hooks of a vane includes an approximate two times thicker radial geometry, with dimensioning and tolerancing that results in a line-line to loose fit on the forward OD hook surface and the aft ID hook surface. Tolerances thus stack up on the opposite, non-critical surfaces of the hooks (the... Agent: Cantor Colburn, LLP

20100068052 - Inflatable wind turbine: A wind turbine has an impeller surrounded by a turbine shroud and/or an ejector shroud, wherein the turbine shroud and/or the ejector shroud include inflatable portions and/or flexible inflatable portions. In some embodiments, the turbine shroud and/or the ejector shroud include internal rib members whose shape or length can be... Agent: Fay Sharpe LLP

20100068051 - Integrated inlet fan case: A fan section of a gas turbine engine includes nacelle inlet and a fan containment case that are integrally formed together as a single-piece component.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20100068053 - Conical pin to maintain bearing system: An exemplary locating mechanism for locating a turbine bearing in a bore of a housing includes a conical pin having a pin axis where the conical pin includes a conical wall portion and a pin portion to locate a turbine bearing; a ball; and a socket disposed in a housing... Agent: Honeywell International Inc. Patent Services

20100068054 - Vacuum pump: A vacuum pump comprises a housing, a drive shaft supported by a beating arrangement for rotation relative to the housing about an axis, and a pumping mechanism comprising a stator component mounted on the housing and a disk-shaped rotor component mounted on the drive shaft axially proximate the stator component.... Agent: Edwards Vacuum, Inc.

20100061836 - Process for producing a turbine blade or vane with an oxide on a metallic layer, use of such a turbine blade or vane, a turbine and a method for operating a turbine: A process for producing a component of a gas turbine having a substrate with a metallic layer is provided. The metallic layer is a MCrAlX layer which is treated at temperatures elevated above the operating temperature, by at least 50° C., so that the oxidation and corrosion behavior are improved.... Agent: Siemens Corporation Intellectual Property Department

20100061837 - Turbine transition duct apparatus: A gas turbine transition duct apparatus is provided comprising first and second turbine transition ducts and a strip seal. The strip seal may comprise a sealing element and a spring structure.... Agent: Siemens Corporation Intellectual Property Department

20100061838 - Rotating device: A rotating device for producing pressure from a process substance by expansion, which device includes a U-channel structure (120) rotatably arranged on an axis (121, 122) including an expansion point (105) arranged at the periphery of the rotating device, a sinking channel (104) for delivery of compressed process substance to... Agent: Blanchard & Associates

20100061839 - Shaft coupling arrangement: A shaft coupling arrangement and a corresponding method for coupling shafts are disclosed herein. The shaft coupling arrangement includes an input shaft operable to rotate about a first axis. The shaft coupling arrangement also includes an output shaft operable to rotate about a second axis. The shaft coupling arrangement also... Agent: Macmillan, Sobanski & Todd, LLC

20100061840 - Compressor with variable-geometry ported shroud: A compressor having a variable-geometry ported shroud includes a compressor housing defining an inlet duct, a shroud, and a bypass passage. A variable-geometry port extends through the shroud into the bypass passage, and includes an adjustable mechanism that is selectively configurable to adjust the meridional location of the port between... Agent: Honeywell International Inc. Patent Services

20100061841 - Froth handling pump: A froth handling pump includes a pump casing, an impeller mounted within the casing, and a de-aeration chamber mounted to the rear side of the pump casing. The impeller comprises multiple pumping vanes, each of the vanes having an inlet angle and an outlet angle, wherein the outlet angle is... Agent: Womble Carlyle Sandridge & Rice, PLLC

20100061842 - Steam turbine rotating blade for a low pressure section of a steam turbine engine: A steam turbine rotating blade for a low pressure section of a steam turbine engine is disclosed. The steam turbine rotating blade includes an airfoil portion. A root section is attached to one end of the airfoil portion. A dovetail section projects from the root section, wherein the dovetail section... Agent: Hoffman Warnick LLC

20100061843 - Coupling turbochargers for passive pre-swirl counter-rotation: A turbocharger with a high pressure (HP) and low pressure (LP) stage, designed such that swirl in a conduit providing fluid communication between the LP compressor outlet and the HP compressor inlet is received by the second stage compressor counter to the direction of rotation of the second stage compressor... Agent: Borgwarner Inc. C/o Patent Central LLC

20100061844 - Load pin for compressor square base stator and method of use: A load pin has an end portion, and a vane has a base with a cutout in the base, wherein the end portion of the load pin engages a wall portion of the cutout in the base of the vane, thereby inhibiting any movement of the vane in a particular... Agent: Cantor Colburn, LLP

20100061845 - Guiding device of a flow machine and guide vane for such a guiding device: A guide device for a turbomachine, particularly a steam turbine, with a guide vane ring and a plurality of guide vanes which are fastened to the guide vane ring so as to be distributed along the circumference of the guide vane ring. The guide vane ring has a groove, and... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100061846 - Repaired turbine exhaust strut heat shield vanes and repair methods: A method of repairing a turbine exhaust case strut heat shield vane includes removing a damaged portion of the vane, solution heat treating the vane, attaching a replacement section to the vane, and relieving local stresses in an attachment area between the replacement section and the vane.... Agent: Kinney & Lange, P.A.

20100061847 - Steam turbine part including ceramic matrix composite (cmc): A steam turbine part includes a ceramic matrix composite (CMC). The part may be made wholly or partially of CMC. The CMC eliminates the possibility of oxidation and thus increases steam turbine availability and reliability... Agent: Hoffman Warnick LLC

20100061848 - Flow inhibitor of turbomachine shroud: Disclosed is a shroud for a turbomachine including at least one support structure and at least one inner shroud disposed at a gas path of a turbomachine. The at least one inner shroud and the at least one support structure have at least one gap therebetween. The at least one... Agent: Cantor Colburn, LLP

20100061849 - Froth handling pump: A froth handling pump is provided which includes a pump casing, an impeller mounted within the casing, and a de-aeration chamber mounted to the rear side of the pump casing. The impeller comprises multiple pumping vanes, each of the vanes having an inlet angle and an outlet angle, wherein the... Agent: Womble Carlyle Sandridge & Rice, PLLC

20100061850 - Airfoil shape for a compressor vane: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in TABLE A. X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20100061851 - Secondary air charger: A secondary air charger has a bearing housing and a turbine shaft extending in an axial direction of the bearing housing. A first and a second rolling bearings are arranged in the bearing housing on bearings seats and support the turbine shaft rotatably in the bearing housing. The rolling bearings... Agent: Mann+hummel Gmbh Department Vr-p

20100054909 - Variable turbo supercharger and method of driving the some: A hydraulic servo drive device for driving a swing mechanism of a variable geometry turbocharger includes a servo piston connected to a driveshaft of the swing mechanism and a pilot spool that is accommodated in a center hole of the servo piston and slides by pilot pressure. A first hydraulic... Agent: Frishauf, Holtz, Goodman & Chick, PC

20100054910 - Fluid turbine systems: Various fluid turbine systems and methods are described. The turbine can be a vertical axis wind turbine configured to generate power from wind energy. The turbine system can have a blade assembly. The blade assembly can have a plurality of blades rotatable about an axis. The turbine system can have... Agent: Knobbe Martens Olson & Bear LLP

20100054912 - Device, system and method for thermally activated displacement: An actuating device includes: at least one first elongated member having a first coefficient of thermal expansion (CTE); and at least one second elongated member having a second CTE different from the first CTE, the second elongated member being nested within the first elongated member, the device being configured to... Agent: Cantor Colburn, LLP

20100054911 - System and method for adjusting clearance in a gas turbine: A system for adjusting a clearance in a gas turbine including a turbine rotor and a plurality of buckets is disclosed. The system includes: a shroud assembly including at least one shroud segment, the at least one shroud segment being disposed in an interior of a turbine shell; and an... Agent: Cantor Colburn, LLP

20100054913 - Turbomachine with unducted propellers: Turbomachine, comprising two external coaxial and contra-rotating unducted propellers (122, 124), at least some of the blades (148) of the upstream propeller comprising substantially radial internal shafts for air circulation (150) communicating with air tapping orifices (152) in the boundary limits of the blades, and at their radially external ends... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100054914 - Gas turbine engine component having dual flow passage cooling chamber formed by single core: A blade outer air seal for being positioned radially outwardly of a gas turbine blade has at least one cooling air passage with a dividing wall dividing the at least one cooling air passage into two separate flow paths. The dividing wall does not extend throughout an entire length of... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20100054915 - Airfoil insert: An airfoil insert comprises an insert wall, a contact element and a flow director. The insert wall defines an interior extending inside the insert wall from a first end to second end, and an exterior extending outside the insert wall from the first end to the second end. The contact... Agent: Kinney & Lange, P.A.

20100054916 - Resistive contact sensors for large blade and airfoil pressure and flow separation measurements: A wind turbine blade instrumentation structure and method is provided for fluid dynamic polymer-based contact sensors measuring ambient pressure based on the resistivity changes across the sensor. The pressure sensors may applied in predetermined patterns to airfoil structures, such as wind turbine blades, without impacting the blade structure and fluid... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20100054917 - Blade arrangement: Blade arrangements 130 may be formed in a blisk configuration comprising a number of blades secured integrally or through welds or similar bonding to a rotor disc. The blades may be subject to vibration and it would be desirable to provide heat protection to junctions 33 between the blades and... Agent: Oliff & Berridge, PLC

20100054918 - Method for reducing the vibration levels of a propeller of a turbine engine: The present invention relates to a method for reducing the vibration levels capable of occurring, in a turbine engine comprising at least one propeller and one coupling structure of the turbine engine, because of the turbulence of aerodynamic origin generated by the coupling structure on the propeller. The method comprises... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100054920 - Fan assembly: A fan assembly includes a fan and a fan guard positioned on the fan to protect the fan from contamination and damage during operation. The fan includes a plurality of upper corners extending outwardly therefrom. The fan guard includes a frame and a cover covering and fastened to the frame.... Agent: PCe Industry, Inc. Att. Steven Reiss

20100054919 - Filtration system for gas turbines: A system for use with an inlet of a gas turbine through which an airflow toward the gas turbine proceeds is provided and includes a first self-cleaning stage to remove dust, snow and ice from the airflow, a second water tight stage, disposed downstream from the first stage, to prevent... Agent: Cantor Colburn, LLP

20100054921 - Turbo engine: A turbine engine is disclosed. A blade ring is surrounded by a housing wall, the housing wall being configured as an outer ring, and delimits therewith a gap, the gap being adjustable by deformation of the outer ring. The outer ring is concentrically surrounded by an adjusting element, opposite faces... Agent: Crowell & Moring LLP Intellectual Property Group

20100054922 - Turbine airfoil clocking: A method of operating a turbine engine, wherein the turbine engine includes at least three successive axially stacked rows of airfoils in one of a compressor and a turbine: a first airfoil row, a second airfoil row, and a third airfoil row. The first airfoil row and the third airfoil... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20100054923 - Compact drive for compressor variable diffuser: A compressor has an impeller and an inlet delivering air to the impeller. A variable diffuser is positioned downstream of the impeller and includes a plurality of pivoting vanes. A drive arrangement pivots the vanes, and includes an electric motor causing a pinion gear to rotate. The pinion gear has... Agent: Carlson, Gaskey & Olds, P.C.

20100054924 - Brush seal and turbine using the same: A brush seal in which an increase in steady-state wear is prevented and the influence of turbulence is eliminated is provided. The invention includes a brush seal including brush seal bristles formed of a plurality of wires and mounted to a seal box in such a manner that one end... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100054925 - Apparatus and method for reducing the pressure on a joint between at least two delimiting parts: An apparatus, especially a steam turbine, including a first delimiting part and a second delimiting part is provided. The delimiting parts are attached to one another forming a joint and enclosing at least a part of a first pressure chamber. A shielding element is also provided on the sides of... Agent: Siemens Corporation Intellectual Property Department

20100054926 - System and method for thermal management of a gas turbine inlet: A thermal management system includes: a turbine assembly including an inlet housing, a compressor in fluid communication with the inlet housing, a power turbine in fluid communication with the compressor, and an exhaust assembly in fluid communication with the power turbine; and at least one heat pipe having a first... Agent: Cantor Colburn, LLP

20100054927 - Steam turbine having bearing struts: A steam turbine having an exhaust-steam casing for directing an exhaust-steam mass flow, a shaft bearing for mounting a turbine shaft, and at least two bearing struts, by means of which the shaft bearing is fastened to the exhaust-steam casing, is characterized according to the invention in that each of... Agent: Siemens Corporation Intellectual Property Department

20100054928 - Gas turbine transition duct apparatus: A gas turbine transition duct is provided comprising a generally tubular main body having first and second ends, the first end being adapted to be positioned adjacent to a combustor unit and the second end being adapted to be positioned adjacent to a turbine and a collar coupled to the... Agent: Siemens Corporation Intellectual Property Department

20100054929 - Turbine airfoil clocking: An assembly of airfoils in a compressor of a turbine engine that includes at least three axially stacked rows of airfoils: a middle airfoil row, a first upstream airfoil row, and a first downstream airfoil row. The middle airfoil row may be bordered on each side by the first upstream... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20100054930 - Turbine vane with high temperature capable skins: A turbine vane assembly includes an airfoil extending between an inner shroud and an outer shroud. The airfoil can include a substructure having an outer peripheral surface. At least a portion of the outer peripheral surface is covered by an external skin. The external skin can be made of a... Agent: Siemens Corporation Intellectual Property Department

20100054931 - Serial axial fan: A serial axial fan includes first and second axial fans. The first axial fan preferably includes a first motor portion, a first impeller, and a first housing. The second axial fan preferably includes a second motor portion, a second impeller, and a second housing. In the first impeller, an angle... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20100054932 - Circumferential shroud inserts for a gas turbine vane platform: Protective insert plates (54, 56) installed on a working gas face (42) of a turbine vane platform (26) provide replaceable portions of a turbine shroud for improved maintenance. The plates act as tiles, and may be formed of ceramic materials for thermal protection. Two cages (58, 60) in the vane... Agent: Siemens Corporation Intellectual Property Department

20100054933 - Stationary turbine component with laminated skin: A stationary turbine engine component, such as a turbine vane, includes a internal spar and an external skin. The internal spar is made of a plurality of spar laminates, and the external skin is made of a plurality of skin laminates. The plurality of skin laminates interlockingly engage the plurality... Agent: Siemens Corporation Intellectual Property Department

20100054934 - Exhaust gas turbocharger: A turbocharger for a motor vehicle has a compressor housing, a turbine housing, a bearing housing, and at least one flange on the compressor side. The turbine housing is force-locked with the bearing housing by way of a fastening element that is arranged on the flange on the compressor side,... Agent: Lerner Greenberg Stemer LLP