Rotary kinetic fluid motors or pumps inventions 09/08

20080232950 - Method for detecting rotating stall in a compressor: A system and method is provided for detecting and controlling rotating stall in the diffuser region of a compressor. A pressure transducer is placed in the gas flow path downstream of the impeller, preferably in the compressor discharge passage or the diffuser, to measure the sound or acoustic pressure phenomenon.... Agent: Mcnees Wallace & Nurick LLC

20080232949 - Turbomachine having an axially displaceable rotor: The invention relates to a compressor, which is axially flowed through, for a gas turbine having an axially displaceable rotor. An annular flow channel, which narrows in an axial direction, is formed between a rotationally fixed outer delimiting surface and an inner delimiting surface on the rotor. A stationary ring... Agent: Siemens Corporation Intellectual Property Department

20080232951 - Fan case reinforcement in a gas turbine jet engine: Described is reinforcement of a fan case in a gas turbine jet engine. In one embodiment, a containment ring and a hear resistance ring are shrink interference fit on the inside diameter of the fan case, the containment ring where the large fan blades turn, and the heat resistance ring... Agent: Konrad Raynes & Victor, LLP

20080232952 - Compressor with controllable recirculation and method therefor: There is provided a compressor (10) and an associated method for controlling a recirculation flow to control surging in the compressor. The compressor includes a housing (12) and a compressor wheel (16) mounted therein. A recirculation passage (41) receives compressed air from the compressor and recirculates the compressed air to... Agent: Honeywell Turbo Technologies

20080232953 - Inter-turbine casing with cooling circuit, and turbofan comprising it: The invention relates to an inter-turbine casing (40) for a turbofan (2), comprising an outer ring (44), an inner ring (54), and an intermediate ring (52) between the inner ring and the outer ring, the inner (54) and intermediate (52) rings having respective openings (540, 520) for the passage of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080232954 - Vacuum system for conveying a high amount of supplemental liquid: A pump apparatus for conveying a gas-liquid mixture comprises a first pump (7) for conveying gas with a first pump chamber (28) and a first impeller (33), a second pump (11) for conveying liquid with a second pump chamber (36) and a second impeller (41), and a drive device (2)... Agent: Dr. Rudi Dittmar

20080232955 - Fan unit, electronic apparatus with fan unit, method of opening/closing shutter of fan unit, and shutter: There is provided a fan unit including a shutter capable of closing the shutter despite a change in installation direction of the fan unit, an electronic apparatus including such fan unit, a method of opening/closing the fan unit, and the shutter. In the fan unit with the shutter, the shutter... Agent: Scully Scott Murphy & Presser, PC

20080232956 - Turbine blade and gas turbine equipped with a turbine blade: The invention relates to a turbine blade (63, 65) comprising a vane (67, 69) that runs along a blade axis (73, 75) and a platform region (61), which is located at the root of the vane (67, 69) and has a platform (71) that extends transversally to the blade axis... Agent: Siemens Corporation Intellectual Property Department

20080232957 - Wind turbine with mixers and ejectors: A Mixer/Ejector Wind Turbine (“MEWT”) system is disclosed which routinely exceeds the efficiencies of prior wind turbines. In the preferred embodiment, Applicants' MEWT incorporates advanced flow mixing technology, single and multi-stage ejector technology, aircraft and propulsion aerodynamics and noise abatement technologies in a unique manner to fluid-dynamically improve the operational... Agent: Holland & Bonzagni, P.C.

20080232959 - Compressor: A compressor comprises an impeller (1) provided with a plurality of radial blades (4). The impeller (1) has an inducer diameter defined by the outer diameter of front edges (5) of the blades (4), and an outer diameter defined by the outer diameter of the blade tips (6). Each blade... Agent: Krieg Devault LLP

20080232958 - Spiral blower: A dryer blower for carwash facilities comprising a volute housing for an impeller having an axial intake and a tangential air outlet. The volute housing is characterized by a spiral channel of increasing cross-sectional area as a result of an increasing width and substantially constant radial dimension. The spiral housing... Agent: Young & Basile, P.C.

20080232960 - Fluid return in the splitter of turbomachines with bypass-flow configuration: A turbomachine, includes an annular flow duct, which downstream of at least one stage, is divided into an outer annular bypass duct and an inner annular core-flow duct via a concentrically arranged splitter, wherein the splitter is designed as an intermediate casing with at least one inner volume, through which... Agent: Harbin King & Klima

20080232961 - Fan and fan frame thereof: A fan frame of a fan includes a main body, a base and at least one connecting element. The main body has at least one mounting portion and at least one auxiliary passage, which are not communicated with each other. A main passage is disposed in the main body, and... Agent: Birch Stewart Kolasch & Birch

20080232962 - Turbomachine and method for assembly thereof using a split housing design: The present invention provides an improved design for turbomachinery, such as blowers and compressors, for providing pressurized process gas. The improved design comprises two housing portions that fit together to form an interior cavity in which a preassembled rotating assembly may be installed and balanced. Each housing portion includes an... Agent: Mccormick, Paulding & Huber LLP

20080226439 - Blade variation in dependence of the degree of throttling on fluid-flow machine: A method for the variation of at least one blade row of a fluid-flow machine, in which, in dependence of the actual operating point, in addition to an aerodynamic speed, at least one further quantity pertinent to the position of the operating point in the family of characteristics of the... Agent: Harbin King & Klima

20080226440 - Centrifugal water pump: A centrifugal water pump for use in a diesel engine cooling system provides an improved water pump construction including multiple features which combine to provide increased operating life for the supporting and wearing components of the pump. The improvements include one or more of: a water seal system is provided... Agent: Hahn Loeser & Parks, LLP

20080226441 - Method for impingement air cooling for gas turbines: In impingement air cooling of gas turbine components, cooling air velocity packs of a certain amplitude and a given frequency are applied to impingement air openings, with intervallic annular swirl structures being formed which penetrate a cross-flow and hit a component to be cooled with high intensity, thus providing for... Agent: Timoty J. Klima Harbin King & Klima

20080226443 - Apparatus and methods for monitoring combustion dynamics in a gas turbine engine: Apparatus, methods, and other embodiments associated with monitoring combustion dynamics in a gas turbine engine environment are described herein. In one embodiment of a system for monitoring combustion dynamics in a gas turbine engine environment, the system includes a transducer and an optical fiber. The transducer is positioned within the... Agent: Mcdonald Hopkins LLC

20080226442 - Fan with means for monitoring wear: a processing chain which is connected to the measurement sensor and which is capable of calculating at least one indicator which is representative of the vibration behaviour of the bearing based on the parameter measured and evaluating the or each indicator which is representative of the vibration behaviour of the... Agent: Sughrue Mion, PLLC

20080226444 - Casing assembly: Provision of panels within casings can cause problems where retaining bolts require apertures in the casings, which in turn may reduce the structural strength of that casing. By providing a loose or snug fit ring placed within the casing and appropriate retainer elements secured to that ring which in turn... Agent: Mccormick, Paulding & Huber LLP

20080226445 - Turbomachine exhaust case drain: A turbomachine exhaust case (10) having an annular groove (18) perforated with an orifice (22) in which there is mounted a drain (36), which is formed by a tubular cylindrical body (38), for discharging liquids retained in this groove (18), which drain comprises a skirt (40), formed at one end... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080226446 - Centrifugal impeller, fan apparatus, and electronic device: There is provided a centrifugal impeller that includes a boss portion, a plurality of first centrifugal blades, a plurality of second centrifugal blades, and a coupling portion. The boss portion is capable of rotating. The plurality of first centrifugal blades are provided to the boss portion such that the plurality... Agent: Sonnenschein Nath & Rosenthal LLP

20080226447 - Removable impeller for fan: The invention concerns a removable impeller (7) designed to be integrated in a fan (1), in particular for controlled mechanical ventilation, and configured in the shape of a wheel provided with a plurality of blades (8) and equipped with locking means to enable its being fixed on a hub. The... Agent: Cantor Colburn, LLP

20080219831 - Pipe flow-driven power generator: A pipe flow-driven power generator includes a vane wheel pivotally mounted in a water chamber in a water pipe and rotatable by a flow of water running through the water pipe, a dynamo pivotally mounted on the outside of the water chamber and coupled to the vane wheel through a... Agent: Rosenberg, Klein & Lee

20080219832 - Small radial profile shroud for variable vane structure in a gas turbine engine: A shroud for supporting a variable vane in a compressor section for a gas turbine engine includes a pair of components which are secured together by a threaded fastener extending into a blind hole in one of the two components. Additional material forms on the component which includes the blind... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080219833 - Inducer for a fan blade of a tip turbine engine: A fan-turbine rotor assembly for a tip turbine engine includes an inducer with an inducer inlet section and an inducer passage section in communication with a core airflow passage within a fan blade. Each inducer inlet section is canted toward a rotational direction of the fan-turbine rotor assembly such that... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080219834 - Rotor shaft assembly for magnetic bearings for use in corrosive environments: Rotor and stator assemblies that utilize magnetic bearings for supporting the rotor shaft during operation can be suitably used in corrosive environments, such as sour gas. The rotor and stator assemblies include NACE compliant magnetic bearing arrangements for sour gas applications. In one embodiment, a rotor shaft assembly for a... Agent: General Electric Company Global Research

20080219835 - Abradable component for a gas turbine engine: A gas turbine engine component includes an airfoil having a radial outward end and a radial inward end. A seal member is positioned adjacent to the radial inward end of the airfoil. A tip of the radial inward end of the airfoil is coated with an abradable material. The seal... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080219836 - Fan with heat dissipating outlet guide vanes: A method for designing a fan having a motor which drives an impeller comprises providing an outlet guide vane assembly which includes a hub and a plurality of guide vanes that extend radially outwardly from the hub, attaching the hub to the motor, determining an approximate amount of heat which... Agent: Henry C. Query, Jr.

20080219837 - Fan and fan frame thereof: A fan has a fan, an impeller and a motor. The impeller is disposed in the fan frame, and the motor is disposed in the fan frame for driving the impeller. The fan frame has a housing, a base and at least one connecting element. The housing has an inlet... Agent: Birch Stewart Kolasch & Birch

20080219838 - Centrifugal fan: A centrifugal fan includes an impeller having a plurality of blades around a predetermined central axis, a motor that rotatably drives the impeller, a control circuit that controls the rotation of the motor, and a casing that houses the impeller, the motor, and at least a portion of the control... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080219839 - Centrifugal pump: The invention relates to a centrifugal pump (10) for liquids, comprising a pump spiral housing (12) and a pump wheel (28), which is driven by an integrated electromotor (14, 20, 34, 36), whereby the rotational axis thereof (29) is arranged in a coaxial in relation to the rotational axis (37)... Agent: Michael Best & Friedrich LLP

20080219840 - Fan motor assembly and air guide apparatus thereof: An air guide apparatus includes a body installed at a discharge side of a rotary fan for sucking air, a plurality of first vanes arranged at one surface of the body to guide air sucked by the rotary fan toward the outer circumferential surface of the body, and a plurality... Agent: Greenblum & Bernstein, P.L.C

20080219841 - Fan with strut-mounted electrical components: A cooling fan comprises a fan housing, a motor which is positioned within the fan housing, a plurality of electronics components which are associated with the motor, and at least one strut which extends radially between the motor and the fan housing, and on which the electrical components are mounted.... Agent: Henry C. Query, Jr.

20080219843 - Centrifugal impeller with forward and reverse flow paths: A centrifugal impeller having an inlet and a plurality of outlets the outlets including at least one outlet in a forward direction of the Impeller and at least one outlet in a rearward direction of the impeller. A flow path distance of the outlet in the forward direction can be... Agent: John Ryznic

20080219842 - Turbine part of a turbocompressor and a method of avoiding carbon build-up in the turbine part of a turbocompressor: A turbine unit of a turbocompressor comprises a turbine wheel having blades and a flow channel for directing exhaust gas onto the turbine wheel. The turbine unit additionally comprises injection means for injecting carbon build-up preventing substance into the flow channel.... Agent: Smith-hill And Bedell, P.c.

20080219844 - Reverse flow cooling for fan motor: An air mover, such as a cooling fan, comprises a motor and an impeller which is driven by the motor to generate a flow of air through a flowpath. The motor comprises at least one inlet opening and at least one outlet opening, each of which is in fluid communication... Agent: Henry C. Query, Jr.

20080213083 - Vertical axis windmill and wind turbine system for generating electricity from wind energy: A lift-type wind turbine having a substantially vertical rotating shaft and a plurality of substantially vertical blades secured to the shaft. Each blade includes a front portion, a rear portion, and a pivot axis pivotally securing the rear and front portions. The rear portion pivots relative the front portion. The... Agent: Hodgson Russ LLP The Guaranty Building

20080213084 - Gas turbine overspeed protection system: An overspeed protection system for a gas turbine engine comprises: a plurality of engine speed sensors that generate engine speed signals; and a plurality of engine overspeed detection channels, each channel comprising an overspeed detector that receives and generates an overspeed signal when it detects the engine speed signal exceeding... Agent: Stephen George Mican

20080213085 - Steam turbine and method for operation of a steam turbine: Disclosed is a steam turbine comprising an exterior housing and an interior housing. The exterior housing and the interior housing are provided with a fresh steam supply duct. A rotor that encompasses several impeller blades and a thrust-compensating piston is rotably mounted within the interior housing. Said interior housing is... Agent: Siemens Corporation Intellectual Property Department

20080213086 - Apparatus for supporting a rotating shaft: An apparatus for supporting a rotating shaft comprising: a housing surrounding the shaft; interposed between the housing and the shaft a plurality of tilting pads which extend in contiguous manner circumferentially around the shaft, each tilting pad being able to rock in the rotation of the shaft; and interposed between... Agent: Siemens Corporation Intellectual Property Department

20080213087 - Pump for liquids under positive pressure: A pump for liquids at positive pressure, includes a pump chamber (18) accommodating an impeller (24), wherein the impeller (24) is axially biased against a non-rotating support element (48) which determines the axial position of the impeller (24). The shaft (42) may be coupled to a drive shaft (64) through... Agent: Richard M. Goldberg

20080213088 - Stator for a jet engine, a jet engine comprising such a stator, and an aircraft comprising the jet engine: A stator for installation in a rear section of a jet engine includes a plurality of guide vanes which extend in the radial direction of the stator and between them define ducts for leading a gas. A first side of the stator in its axial direction defines an inlet for... Agent: Wrb-ip LLP

20080213089 - Inflator with cooling fan: An inflator is disclosed having a housing and a motor assembly within the housing. A first output line is in fluid communication with a first end of the motor assembly to provide a cooling path of air and a high-volume flow of air. The first output line provides a guiding... Agent: Tti/brinks Hofer Gilson & Lione

20080213090 - Thrust generating apparatus: There have been past proposals for air vehicles employing the Coanda effect. In these proposals, a jet of fluid, usually air, is made to flow radially outwardly over a dome-shaped canopy to create lift. A cross-section through the canopy is curved to follow a segment of a circle or it... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20080213091 - Steam turbine: A steam turbine (10), especially in the form of a double-flow low-pressure steam turbine, includes a rotor (11) which is rotatably mounted around an axis (21) and which is concentrically enclosed with a spacing by an inner casing (13), forming annular steam passages (28, 29), and which has a multiplicity... Agent: Cermak Kenealy & Vaidya LLP

20080213092 - Repaired vane assemblies and methods of repairing vane assemblies: Methods are provided for repairing a vane assembly, where the vane assembly includes an inner annular housing, an outer annular housing, and a vane extending therebetween. In one embodiment, the method includes removing an identified section of the vane to thereby form a pocket in an inner surface of the... Agent: Honeywell International Inc.