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Rotary kinetic fluid motors or pumps May archived by USPTO category 05/11

20110123312 - Gas turbine engine components with improved film cooling: An engine component includes a body; and a plurality of cooling holes formed in the body. At least one of the cooling holes has cross-sectional shape with a first concave portion and a first convex portion.... Agent: Honeywell International Inc.

20110123311 - Serpentine cored airfoil with body microcircuits: A gas turbine engine component has an airfoil that extends from a leading edge to a trailing edge, and a suction side and has a pressure side. There are cooling passages extending from a root of the airfoil toward a tip of the airfoil. The cooling passages include a straight... Agent:

20110123310 - Turbine airfoil platform cooling core: A gas turbine engine component has a platform and an airfoil extending from the platform. The platform has a pressure side and a suction side. A cooling passage is formed within the platform, and extends along a pressure side of the platform. Air leaves the passage through an air outlet... Agent:

20110123313 - Axial flow steam turbine: An exemplary axial flow steam turbine is disclosed which includes a motor, a turbine casing and at least first and second turbine stages, with the second turbine stage being located adjacent to and downstream from the first turbine stage. A radially outer static diaphragm ring of the second turbine stage... Agent: Alstom Technology Ltd

20110123314 - Apparatus and method for forced convection of seawater: An apparatus and method for reducing the temperature of ocean surface waters through one of two pumping methods to pump water between warm surface layers and cold subsurface layers of the ocean. The apparatus includes a seabed anchor, a helical screw rotatably connected to the seabed anchor, a flotation device... Agent:

20110123315 - Multi-stage turbocharger system: A turbocharger system comprises a first relatively small high-pressure (HP) turbocharger and a second relatively large low pressure (LP) turbocharger. The turbine of the LP turbocharger is connected in series downstream of the turbine of the HP turbocharger. A first exhaust bypass flow passage provides a bypass flow path around... Agent:

20110123316 - Variable geometry turbine: A variable geometry turbine comprises: a turbine wheel (5) in a housing (1) for rotation about a turbine axis, —an annular inlet passage (9) defined between respective radial inlet surfaces of first and second wall members (11, 12), at least one of said first and second wall members being moveable... Agent:

20110123317 - Centrifugal pump: A centrifugal pump includes at least one impeller (4) and at least one sealing arrangement arranged between the impeller (4) and a housing wall. The sealing arrangement seals a suction side of the impeller (4) with respect to a pressure side of the impeller (4). The sealing arrangement including a... Agent: Grundfos Management A/s

20110123318 - Heat transfer device in a rotating structure: A cooling system includes a moving rotor system which in turn includes: a rotating disk on which a plurality of heat conducting structures are distributed, the heat conducting structures including an inner arrangement of spiral blades; an air flow generating fan element; and an outer arrangement of heat transfer pins... Agent: International Business Machines Corporation

20110123320 - Arrangement with a nacelle and with an instrument: An arrangement with a nacelle and with at least one instrument of a wind turbine is disclosed. The instrument is connected with a rod. A channel penetrates the wall of the nacelle. The channel interacts with the rod in a way that the rod and its assigned instrument are moved... Agent:

20110123319 - Composite slider seal for turbojet penetration: A seal assembly for a turbo machine, such as a turbo jet, includes a housing having a retainer secured relative to the housing. A seal is arranged between the housing and the retainer. The seal provides an opening configured to receive a penetrating element. The seal comprises a composite material.... Agent:

20110123321 - Inducer for centrifugal pump: An inducer for vertical flow, cryogenic liquid centrifugal pumps comprising a stationary outer housing portion having an inlet and an outlet, the inlet located at a lower end and the outlet located at an upper end, the housing further having an inner wall portion with one or more spiral grooves... Agent:

20110123322 - Flow passage for gas turbine engine: Inefficiencies associated with the formation of horseshoe vortices in a gas turbine engine having a row of radially extending airfoils, are mitigated with an improved flow passage defined by the suction and pressure surface of two adjacent airfoils and endwalls (disposed proximal to the radially inner and outer ends of... Agent: United Technologies Corporation

20110123323 - Attaching ceramic matrix composite to high temperature gas turbine structure: An assembly for use in a gas turbine engine has an underlying metal sheet, and at least one ceramic matrix composite tile attached to the underlying metal sheet with at least one fastener assembly. The panel fastener assembly includes a fastener having a threaded portion extending rearwardly from a head,... Agent:

20110123324 - Scroll fluid machine: In a scroll fluid machine where an orbiting scroll fixed to a pivot shaft eccentrically revolves, a fixed portion is provided on a bottom of a casing, and a swing column is provided between the fixed portion and the orbiting scroll or between the fixed portion and the pivot shaft.... Agent: Richstone Limited

20110123325 - Seal plates for directing airflow through a turbine section of an engine and turbine sections: A seal plate for directing an airflow includes a hub, main pumping vanes, and splitter vanes. The hub has a tubular section and an annular flange section flared outwardly relative to the tubular section to define a flow surface. The main pumping vanes are disposed circumferentially on the flow surface... Agent: Honeywell International Inc.

20110123327 - Bearing assembly using different type thrust bearings: A bearing assembly includes a thrust bearing casing surrounding a rotating shaft at a location intermediate ends of the rotating shaft, the rotating shaft including an active side shaft thrust plate and an inactive side shaft thrust plate, each of the active side and the inactive side shaft thrust plate... Agent: General Electric Company

20110123326 - Bellows preload and centering spring for a fan drive gear system: An assembly includes a first tapered roller bearing and a second tapered roller bearing and a bellows spring. The bellows spring is disposed adjacent the first tapered roller bearing and the second tapered roller bearing.... Agent: United Technologies Corporation

20110123328 - Vacuum pump: A vacuum pump, particularly a turbomolecular pump or multi-inlet pump, comprises a rotor shaft (12) carrying at least one rotor means (14). The rotor shaft (12) is supported on the pressure side by a bearing assembly (56) and on the suction-side by a further bearing assembly (30). According to the... Agent: Oerlikon Leybold Vacuum Gmbh

20110123329 - Sealing apparatus and engines: Sealing apparatus and engine are provided. A sealing apparatus includes a first cover plate, a second cover plate spaced apart from the first cover plate, and a sealing element disposed between the first cover plate and the second cover plate and including at least two diaphragm members, wherein a first... Agent: Honeywell International Inc.

20110116906 - Airfoil component wear indicator: An example airfoil assembly includes an airfoil body extending between a leading edge, a trailing edge, a suction side, and a pressure side. The assembly further includes a first protective sheath, an indicator sheath, and a second protective sheath. The first protective sheath has an outer side and an inner... Agent:

20110116907 - Axial turbine: An axial turbine includes a plurality of stages each comprising a plurality of stationary blades arranged in a row along the turbine circumferential direction and a plurality of moving blades in a row parallel to the stationary blades, each of the moving blade being disposed downstream of a respective one... Agent: Hitachi, Ltd.

20110116908 - Gas turbine engine with an arrangement for measuring the shaft rotation speed: A gas turbine engine includes an arrangement for measuring shaft rotation speed, including a laser source (10) for directing a laser beam (11) onto portions of rotor blades to either be reflected from or interrupted by the rotor blades to create light impulses as a function of the rotor rotation... Agent: Rolls-royce Deutschland Ltd & Co Kg

20110116909 - Ventilator: A fan (100) has a fan housing (110). The latter has an air entrance opening (120) and an air exit opening (130). It further has a swivel joint arrangement (180) having at least one swivel joint (145, 147, 155, 157, 165, 167, 175, 177) that is arranged on a joint... Agent:

20110116910 - Butterfly valve for turbocharger systems: A butterfly valve for a turbocharger system in which the leak path through the valve is controlled by keeping the clearance between either a shaft of the valve and two bushings small or the clearance between the bushings and the counter bores in the valve element small, and making the... Agent:

20110116911 - Variable geometry turbine: A variable geometry turbine comprises a turbine wheel supported in a housing for rotation about a turbine axis. An exhaust gas inlet passageway is defined between a shroud and a wall of a nozzle ring. The shroud is moveable in the axial direction to vary the size of the inlet... Agent:

20110116912 - Zoned discontinuous coating for high pressure turbine component: A turbine component has an airfoil extending between a leading edge and a trailing edge, and has an outer surface. A coating includes at least two discontinuous areas that are spaced from each other such that there is an area of uncoated surface between the discontinuous areas of coating. In... Agent:

20110116913 - Hydrodynamic torque converter: The invention relates to a hydrodynamic torque converter having a pump shell including blades, a turbine shell including blades, a torus-shaped flow cycle. The blades are configured to be attached at the respective shells through inner walls and the inner walls of the turbine shell and of the pump shell... Agent: Schaeffler Technologies Gmbh & Co. Kg

20110116914 - Decentralized source separation sewage system: An apparatus and method for treating sewage The apparatus receives sewage at a receiving compartment and separates solids from liquids at the receiving compartment. The solids can be extracted from the receiving compartment by an auger. The liquid sewage flows through a series of treatment compartment containing rotating biological contactor... Agent: Societe Eg06 Inc.

20110116915 - Steam turbine having a cooling apparatus: A turbomachine comprising a rotor, an inner housing, and an outer housing is proposed. The inner housing is arranged around the rotor and the outer housing is arranged around the inner housing, An encapsulation is arranged around the inner housing. An annular channel and holes into a chamber are provided... Agent:

20110116916 - Device for shrouding an aircraft nacelle: t

20110116917 - Compressor stator vane: A compressor component having a non-linear thickness distribution along the span length is disclosed. By altering the thickness distribution to a non-linear arrangement so as to locally increase airfoil thickness proximate a mid-span location, the natural frequency of the airfoil is increased so as to not coincide with a critical... Agent: Alstom Technologies Ltd.

20110116918 - Method and machinery with combined particle separation and flow regulation devices: A method for assembling turbomachinery having combined particle separation device and flow regulating device is provided. The turbomachinery includes a casing; a compressor attached to an inside of the casing, the compressor having a shaft supported by bearings; and a cooling system mounted inside the casing and configured to cool... Agent:

20110116919 - Support bar for turbine diaphragm that facilitates reduced maintenance cycle time and cost: A support bar for a turbine diaphragm that facilitates reduced maintenance cycle time and cost is provided. In one aspect, the support bar is secured to the turbine diaphragm vertically rather than horizontally, allowing access to remove a lower diaphragm half without having to remove the rotor for maintenance.... Agent: General Electric Company

20110116922 - Oscillation reducing suspension device for a fan motor of a combustion-powered tool: An oscillation reducing suspension device for a fan motor of a combustion-powered tool includes a holding web member mounted on a cylinder head and having a central opening to be sleeved on the motor, first and second retaining members disposed to hoop around the motor, and first and second damping... Agent: Basso Industry Corp.

20110116920 - Segmented thermally insulating coating: A gas turbine article includes a substrate, a plurality of geometric surface features that protrude from the substrate, and a thermally insulating topcoat disposed over the plurality of geometric surface features. The thermally insulating topcoat includes segmented portions that are separated by faults that extend through the topcoat from the... Agent:

20110116921 - Water pump provided with a bearing: A water pump that is equipped with a bearing, may include a drive shaft, at least two bearings of an arc type that are mounted around the exterior circumference of the drive shaft and being engaged with each other, a housing that fixes the at least two bearings of the... Agent: Kia Motors Corporation

20110110758 - Gas turbine compressor and method of operation: The present application provides a compressor for a gas turbine. The compressor may include a number of rotor wheels positioned about a compressor aft section having a low alloy material, a number of inlet guide vanes positioned about a compressor inlet section, and a wet compression system positioned about the... Agent: General Electric Company

20110110760 - Method and system for increasing an efficiency of a pressurized machine: A method and system for regulating the pressure of steam in a Steam Seal Header (SSH) for a pressurized machine is provided. In the SSH, the pressure of steam may be regulated according to the operating status of the pressurized machine. The variable pressure SSH system may maintain a pressure... Agent: General Electric Company

20110110759 - Method and system for reducing the impact on the performance of a turbomachine operating an extraction system: A method and system for increasing the efficiency of a turbomachine having an extraction system is provided. The extraction system may have multiple extraction ports from which the working fluid of the turbomachine is extracted to meet extraction load requirements of an independent process. The method and system may enable... Agent: General Electric Company

20110110761 - Gas turbine having an improved cooling architecture: A thermal machine includes a hot gas channel; a shell bounding the hot gas channel; a cooling shirt surrounding the shell; and a cooling channel disposed between the shell and the cooling shirt and configured to convection cool the hot gas channel with a cooling medium, wherein the cooling shirt... Agent: Alstom Technology Ltd.

20110110762 - Damping element for reducing the vibration of an airfoil: An airfoil (10) is provided with a tip (12) having an opening (14) to a center channel (24). A damping element (16) is inserted within the opening of the center channel, to reduce an induced vibration of the airfoil. The mass of the damping element, a spring constant of the... Agent:

20110110763 - Exhaust ring and method to reduce turbine acoustic signature: Embodiments of the disclosure provide a turbine, an exhaust ring, and a method of reducing the acoustic signature of a turbomachine. In an embodiment, the turbine includes an exhaust ring disposed downstream from at least one stage of rotor blades and upstream from at least one fluid flow obstruction. An... Agent: Dresser-rand Company

20110110764 - Hydraulic machine, and an energy conversion installation including such a machine: This hydraulic machine comprises a wheel supported by a shaft (5), the wheel and the shaft being able to rotate about a vertical axis (X5) while a radial hydrostatic or hydrodynamic bearing (100) is formed between, on the one hand, a radial peripheral surface (52) of the shaft and, on... Agent: Alstom Hydro France

20110110765 - Inlet guide vane drive system with spring preload on mechanical linkage: A variable vane system includes a plurality of vanes each being pivotal about an axis. A mechanical linkage drives the plurality of vanes to rotate about the axis. The mechanical linkage includes a ring gear to rotate, and in turn drive the plurality of vanes. There is at least one... Agent:

20110110766 - Turbomachine: A variable geometry turbine comprises a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls; and a cylindrical sleeve axially movable across the annular inlet to vary the size... Agent:

20110110767 - Sealed shaft assembly for exhaust turbines: An exemplary assembly includes a component of a turbocharger that includes a bore that extends between an inner, exhaust gas side of the component and an outer, ambient side of the component; a shaft that includes a pin portion and a head portion; a sleeve positioned on the pin portion... Agent: Honeywell International

20110110768 - Variable geometry turbocharger with guide pins: A variable geometry turbocharger assembly comprises a unison ring which rotates about a longitudinal axis defined by a shaft on which a turbine wheel and compressor wheel are attached in order to pivot a plurality of vanes and thereby control a flow of exhaust gas to the turbine wheel. The... Agent:

20110110769 - Wind turbine comprising a main bearing and method for replacement of the main bearing: A wind turbine is provided comprising a rotatable main shaft having a centre axis and being at least indirectly connected to a wind turbine rotor of the turbine and a main bearing supporting the rotatable main shaft at least indirectly against a first stationary part of the turbine, wherein fastening... Agent:

20110110770 - Hydroelectric turbine having a magnetic bearing: The present invention provides an open centred hydroelectric turbine having an annular stator and a rotor mounted for rotation within the stator, the turbine comprising a magnetic bearing which is adapted, by having opposing sets of rotor and stator magnets which are offset at a top and bottom of the... Agent: Openhydro Group Limited

20110110771 - Airfoil heat shield: Exemplary embodiments include a multi-layer, modular and replaceable heat shield for gas turbines. The heat shield apparatus can include a base layer adjacent the airfoil and a thermal layer coupled to the base layer, wherein the base layer and the thermal layer match a contour of the airfoil.... Agent: General Electric Company

20110110772 - Turbine engine components with near surface cooling channels and methods of making the same: A turbine airfoil has an airfoil-shaped core and a skin extending about the outer peripheral surface of the core. The core and/or the skin are configured such that a plurality of cooling channels is formed between them. In one embodiment, the cooling channels are formed by a plurality of radially... Agent:

20110110773 - Turbomachine compressor: Turbomachine compressor comprising variable-pitch vanes comprising an aerofoil section connected by a mounting plate (17) of circular outline to a pivot (18) guided in rotation in an orifice in a casing (14), the mounting plate of the vane comprising at least one notch (60) for bleeding air from the compressor... Agent: Snecma

20110110774 - Blower fan: A blower fan includes a housing having a lateral wall defining a compartment. The housing includes an air inlet and an air outlet both in communication with the compartment. An impeller mounted in the compartment includes a hub and blades mounted on the hub. A first plane including opposite first... Agent:

20110110775 - Propulsion system: The present invention relates generally to propulsion systems, and, more particularly, to a propulsion system including an axial flow water pump assembly and a laminar flow box assembly for generating a streamline laminar slipstream of water velocity that is used in aquatic therapy, aquatic sport fitness rehabilitation, aquatic rehabilitation, swimming,... Agent: Vision Aquatics, Inc

20110110776 - Inlet and exhaust system: According to one embodiment, an inlet system comprises first and second incoming fluid ducts configured to be disposed outside of a vessel and to receive a first incoming fluid stream in a first direction through the first incoming fluid duct and a second fluid stream through the second incoming fluid... Agent: Raytheon Company

20110103931 - Gas turbine compressor: A gas turbine compressor is disclosed. The compressor includes a compressor housing, guide vanes, rotor blades, and valve-controlled blow-in openings for stabilizing the compressor flow by air that is blown in. The air flow is detected by pressure sensors and the valves are controlled as a function thereof.... Agent: Mtu Aero Engines Gmbh

20110103930 - Valve sequencing system and method for controlling turbomachine acoustic signature: A system and method for controlling the acoustic signature of a turbomachine having a plurality of valves wherein an operating load is identified and an arc of admission across a plurality of nozzles is associated therewith. A valve sequencing scheme is selected and implemented to activate the arc of admission... Agent: Dresser-rand Company

20110103932 - Stator blade for a gas turbine and gas turbine having same: A stator blade for a gas turbine with sequential combustion, has a blade airfoil which extends in the radial direction between a blade tip and a shroud, with cooling passages extending inside the blade airfoil, through which a cooling medium can flow for cooling the blade and can then discharge... Agent: Alstom Technology Ltd

20110103933 - wind turbine rotor, a wind turbine and use thereof: The invention relates a wind turbine rotor. The rotor comprises at least one wind turbine blade, at least one image capturing device, and one or more markers arranged on the blade so that the at least one image capturing device may detect the position of the markers. The invention further... Agent: Vestas Wind Systems A/s

20110103934 - Vacuum pump: A vibration sensor is provided, taking advantage of a clearance, at the outer peripheral of a thread groove spacer. Contact between the rotor portion and the stator portion is decided, when a particular vibration during contact between the rotor portion and the stator portion exceeds a predetermined threshold value. The... Agent:

20110103935 - Aircraft engine nacelle air intake assembly: This aircraft engine nacelle air intake assembly comprises an air intake structure comprising an air intake lip (7) and an acoustic shroud (5) extending downstream of this air intake lip (7) and designed to be mounted on a fixed structure (2), the said air intake structure being designed to be... Agent: Aircelle

20110103936 - Turbocharger with annular rotary bypass valve for the turbine: A turbocharger includes a turbine wheel mounted within a turbine housing and connected to a compressor wheel by a shaft. The turbine housing defines an exhaust gas inlet connected to a volute that surrounds the turbine wheel, and an axial bore through which exhaust gas that has passed through the... Agent:

20110103937 - Discharge valve arrangement for a hermetic compressor: Discharge valve arrangement applied in a hermetic compressor used, for example, in household refrigeration systems including a valve plate closing an end of a compression cylinder and provided with suction and discharge orifices contained within the inner contour of the axial projection of the compression cylinder, said suction orifice occupying... Agent:

20110103938 - Turbomachine: A variable geometry turbine comprising: a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls; a cylindrical sleeve axially movable across the annular inlet to vary the size of... Agent:

20110103939 - Turbine rotor blade tip and shroud clearance control: A gas turbine engine includes a turbine shell that is configured to retain a turbine rotor shroud adjacent to a turbine rotor blade. A heat pipe has a first end in thermal communication with the turbine shell and a second end extending outwardly of the shell. A heating/cooling system is... Agent: General Electric Company

20110103940 - Abradable coating system: An abradable coating system (2-8) for a turbine or a compressor is proposed has at least one layer of woven or non-woven tissue (15) or foam made of: ceramic, glass, glass-ceramic, ceramic-metal composite and combinations thereof. A free-standing preformed element (18) has at least one layer of such a woven... Agent:

20110103941 - Breather duct shielding: A gas turbine engine comprising a nacelle and a breather duct. The breather duct provides communication between a component of the engine within the nacelle and the exterior of the nacelle and opens at an exhaust port on the external surface of the nacelle. There is at least one clean... Agent: Rolls-royce PLC

20110103942 - Wind energy system: Wind energy systems comprise a wind accelerator having a support assembly and an outer structure surrounding the support assembly. The wind accelerator has a front region and a rear region. The rear region is substantially wider than the front region, and the outer structure tapers from the rear region to... Agent: The Green Electric Company, Inc.

20110103943 - Device for a horizontally split turbomachine housing, guide disc segment and guide blade carrier for a horizontally split turbomachine housing: A guide disc segment for a horizontally split turbomachine housing is provided. The guide disc segment includes a plurality of guide blades and an outer ring segment. The guide blades are fixed to the outer ring segment along an inner circumference. The outer ring segment can be rolled into or... Agent:

20110103944 - Steampath flow separation reduction system: A system for reducing flow separation in a turbo machine is provided, the system including a stationary vane coupled to a stationary vane support; at least one circumferential extraction band through the stationary vane or the stationary vane support; the circumferential extraction band having a first side proximate to an... Agent: General Electric Company

20110103945 - Blower system: The invention provides a blower system of a high performance, which is constructed to have stabilized characteristics, a high efficiency, a reduced thickness and a reduced noise. A blower system according to the invention includes an impeller, a motor for rotating the impeller and having a rotor and a stator,... Agent:

20110103946 - Locking device: The invention relates to a locking device (13) that includes at least one locking system (16), intended to be placed on a first moving element (11), and a retaining member (17), intended to be placed on a second moving element (12), the locking system (16) having a first hook (18)... Agent: Aircelle

20110103947 - Gas turbine exhaust strut refurbishment: A gas turbine exhaust strut installed in an exhaust case of a gas turbine is disclosed which includes a trailing portion configured with an inner surface for mounting to an inner annular member of the exhaust case and an outer surface for mounting to an outer annular member of the... Agent: Alstom Technology Ltd

20110103948 - Bearing housing body group of an exhaust-gas turbocharger: The invention relates to a bearing housing body group (1) of an exhaust-gas turbocharger, having a housing (2) for a bearing arrangement of a rotor shaft (3); having a turbine wheel (4) on one end (5) of the rotor shaft (3); having a compressor wheel (6) on the opposite end... Agent: Borgwarner Inc.

20110103949 - Extraction cavity wing seal: The present application provides a pressure containing casing. The pressure containing casing may include a first extraction cavity, a second extraction cavity, an interface between the first extraction cavity and the second extraction cavity, and a wing seal positioned within the interface.... Agent: General Electric Company