Rotary kinetic fluid motors or pumps inventions 10/09

20090245997 - Method and device to avoid turbo instability in a gas turbine engine: (A1) A turbofan engine control system is provided for managing a fan operating line. The engine (10) includes a spool having a turbine housed in a core nacelle (12). A turbofan (20) is coupled to the spool (14). A fan nacelle (34) surrounds the turbofan and core nacelle and provides... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090245998 - Fluid flow machine with multi-flow rotor arrangement: A fluid flow machine includes at least one casing 1 and at least one rotor drum 3 rotatable about a machine axis 4, with stator vanes 8 and rotor blades 7 being arranged in an annulus duct 2 formed between the casing 1 and the rotor drum 3 The annulus... Agent: Shuttleworth & Ingersoll, P.L.C

20090245999 - Hybrid impingement cooled airfoil: A turbine nozzle for a gas turbine engine includes: (a) spaced-apart arcuate inner and outer bands; (b) a hollow, airfoil-shaped turbine vane extending between the inner and outer bands, the interior of the vane defining at least a forward cavity and a mid-cavity positioned aft of the forward cavity; (c)... Agent: Trego, Hines & Ladenheim, Pllc

20090246000 - Method for determining the total pressure distribution across a fan entry plane: A method for determining total pressure distribution across a fan entry plane of a fan situated within a fan casing provided with struts which are positioned upstream of the fan, with respect to the normal air flow direction through the fan. The method comprises the steps of measuring static pressure... Agent: Oliff & Berridge, Plc

20090246001 - Enhanced axial air mover system with grill: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow... Agent: Davis Wright Tremaine, LLP/seattle

20090246002 - Gas turbine engine assembly and method of assembling same: A method of reducing gas turbine engine distortion includes coupling a core gas turbine engine to a power turbine, coupling the power turbine to a thrust bearing support assembly through a frusto-conically shaped structural support such that the net axial thrust of the coupled core gas turbine engine and power... Agent: John S. Beulick Armstrong Teasdale LLP

20090246004 - Recovery of expander-booster leak gas: A seal gas recovery method including introducing a first seal gas stream to a first mechanically coupled booster/expander assembly, where the first booster/expander assembly includes a first booster, a first expander, a first shaft that mechanically couples the first booster and the first expander, and a first seal on the... Agent: Air Liquide Intellectual Property

20090246003 - Turbocharger with sliding piston, and having vanes and leakage dams: A turbocharger having a sliding piston for regulating exhaust gas flow into the turbine wheel includes a set of first vanes mounted on a fixed first wall of the turbine nozzle and projecting axially toward an opposite second wall of the nozzle, and/or a set of second vanes mounted on... Agent: Honeywell Turbo Technologies

20090246005 - Exhaust gas turbocharger for a motor vehicle: The present invention relates to an exhaust gas turbocharger for a motor vehicle, comprising a turbine housing having a first area in which exhaust is carried to a turbine wheel and in which the turbine wheel is essentially situated and having a second area connected axially to the first area,... Agent: Rader, Fishman & Grauer Pllc

20090246006 - Mechanically affixed turbine shroud plug: A sealing interface for a component in a turbine machine, wherein a plug is mechanically affixed within an entrance passage of an aperture. The plug is secured in place within the entrance passage through deformation of an inner end of the plug to cause the plug to mechanically engage a... Agent: Siemens Corporation Intellectual Property Department

20090246007 - Casing treatment for axial compressors in a hub area: A fluid flow machine includes a flow path formed by a casing 1 and a rotating shaft 2, in which rows of blades 3 are provided, with at least one annular groove-type recess 4 being arranged in a blade 3 tip area in an annulus duct wall of the shaft... Agent: Shuttleworth & Ingersoll, P.L.C

20090246008 - Layer system: Thermal barrier coating layer systems, in addition to good thermal barrier properties, also have to have a long service life of the thermal barrier coating. The layer system according to the invention comprises a specially adapted layer sequence of metallic bonding layer, inner ceramic layer and outer ceramic layer.... Agent: Siemens Corporation Intellectual Property Department

20090246009 - Compressor scrolls for auxiliary power units: A compressor scroll is provided for redirecting an airflow from a compressor. The compressor scroll includes a spiral-shaped body; a radial inlet formed in the body for receiving the airflow from the compressor as inlet airflow; and an outlet formed in the body such that inlet airflow flows through the... Agent: Honeywell International Inc. Patent Services

20090246010 - Gas turbine arrangement: A gas turbine arrangement comprising: a passage, annular in cross section, for conveying combustion gases; located in the passage, turbine blading to be driven by the combustion gases; a diffuser, annular in form, for diffusing the combustion gases following their passage through the turbine blading; and a collector for collecting... Agent: Siemens Corporation Intellectual Property Department

20090246011 - Film cooling of turbine components: A turbine component includes a flow path surface and a trench disposed in the flow path surface. At least one cooling through hole is located in the trench and is capable of injecting a cooling flow onto the flow path surface of the turbine component. The cooling flow forms a... Agent: Cantor Colburn, LLP

20090246012 - Turbine stator mount: A reaction mount system that provides support for the stator vane for a gas turbine engine is described comprising a stator hanger located on an outer band at a first location and a stator stopper located at a second location that is located circumferentially apart from the first location. A... Agent: General Electric Company

20090246013 - Compact low noise efficient blower for cpap devices: A blower for providing a supply of air at positive pressure in the range of approximately 2 cm H2O to 30 cm H2O includes a motor, at least one impeller, and a stationary component. The stationary component includes an inlet and an outlet. The motor, the impeller, the inlet and... Agent: Nixon & Vanderhye, Pc

20090246014 - method and system for supporting stator components: A method and system of supporting removable static components in a turbine engine stator assembly is described. The method comprises the steps of engaging a stator hanger located at a first location on a first static component with a post located on a first static structure whereby the post supports... Agent: General Electric Company

20090246016 - Fan frame and heat dissipation fan incorporating the fan frame: A fan frame (20) includes a bracket (22) and a base (24). The bracket includes a sidewall (225). An air inlet (228) is defined in a top side of the sidewall. An opposite air outlet (229) is defined in a bottom side of the sidewall. A plurality of first locking... Agent: Pce Industry, Inc. Att. Steven Reiss

20090246015 - Stack of fan case: A stack of fan case in accordance with the present invention includes a first casing and a second casing stacked on the first casing. The first casing has a first surface, a second surface and a locking surface opposite to the second surface. An insertion bore formed on the second... Agent: Muncy, Geissler, Olds & Lowe, Pllc

20090246017 - Fan and fan frame thereof: A fan includes an impeller, a motor and a fan frame. The motor is coupled to the impeller and drives the impeller to rotate. The impeller and the motor are accommodated in the fan frame. The fan frame has a main body, an inner circular portion formed with a passage,... Agent: Muncy, Geissler, Olds & Lowe, Pllc

20090246018 - Bearing support structure and gas turbine: To provide a bearing support structure and a gas turbine that prevent damage of device induced by a rotor shaft when the rotor shaft is unbalanced, the bearing support structure and the gas turbine includes: a casing (7) formed in a cylindrical shape; a bearing unit (8) formed in a... Agent: Westerman, Hattori, Daniels & Adrian, LLP