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| Number | Title | Issue Date |
| 8167547 | Gas turbine engine with canted pocket and canted knife edge seal A gas turbine engine is provided with turbine sealing structures including knife edge seals which extend at an angle relative to an axial center line of the engine. Each knife edge seal is associated with a control pocket defined between a radially inner surface and... | 05/01/2012 |
| 8118548 | 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... | 02/21/2012 |
| 8052380 | Thermally-activated clearance reduction for a steam turbine A thermally-activated flow clearance reduction for a steam turbine is disclosed. In one embodiment a gap closure component is located about a rotary component and a stationary component of the steam turbine. A temperature differential activates the gap closure compo... | 11/08/2011 |
| 7883314 | Seal assembly for a fan-turbine rotor of a tip turbine engine A seal assembly (116) mounted within a rotationally fixed static outer support structure (14) for engagement with an annular seal face surface (172) located upon a fan-turbine rotor assembly. The seal assembly provides minimal leakage of core ai... | 02/08/2011 |
| 7857581 | Annular wiper for a sealing labyrinth, and its method of manufacture The invention provides a thermomechanical turbomachine part that is circularly symmetrical about a longitudinal axis, in particular a rotor, the part including at least one annular wiper for a sealing labyrinth. In characteristic manner, the wiper presents height in... | 12/28/2010 |
| 7740445 | Turbine blade with near wall cooling A turbine blade with a plurality of near wall cooling channels on both the pressure side wall and suction side wall of the blade, and a plurality of tip cooling channels that open into a concave impingement cavity formed on the upstream side wall of a squealer tip r... | 06/22/2010 |
| 7731478 | Method and apparatus for variable clearance packing Methods and apparatus for a packing ring segment assembly for sealing a turbine gas path are provided. The assembly includes a sealing portion including radially inwardly directed teeth, and a dovetail mounting portion including a hollowed out portion including a bi... | 06/08/2010 |
| 7628581 | Rotating machine A rotating machine (10), in particular a compressor or turbine, has a rotor shaft (11) which is rotatable about an axis (20) and is provided with at least one slot (14). The mechanical stresses in the region of the slot are reduced in tha... | 12/08/2009 |
| 7481615 | Fan and shroud assembly A fan and shroud assembly has a rotatable hub and plural blades extending outward from the hub. A shroud surrounding the fan controls air blast resulting from rotation of the fan. The shroud includes a guide ring spaced a predetermined distance from the periphery of... | 01/27/2009 |
| 7473073 | Turbine blade with cooled tip rail A turbine blade for a gas turbine engine with a tip rail that forms a gap between the blade and the turbine shroud, where the tip rail is located near to the suction side wall of the blade and offset there from, and where the tip rail includes sidewalls that are sla... | 01/06/2009 |
| 7396205 | Rotor blade for a rotary machine A rotor blade having a wing and beam construction for a tip shroud is disclosed. Various construction details are developed for providing a transition zone that extends from the suction side and pressure side of the airfoil to provide a flow path surface of the shro... | 07/08/2008 |
| 7363762 | Gas turbine engines seal assembly and methods of assembling the same A method of assembling a gas turbine engine includes providing a gas turbine engine including a compressor, a combustor downstream from the compressor, and a turbine coupled to the compressor, and coupling a seal assembly aft of the compressor such that air discharg... | 04/29/2008 |
| 7341425 | Axial flow compressor An axial flow compressor is provided with a rotor blade row (10) which is formed such that an outlet cross sectional area is larger than an inlet cross sectional area so as to reduce a speed in an axial direction and reduce a pressure difference between a pos... | 03/11/2008 |
| 7338250 | Gas turbine engine blade containment assembly A gas turbine engine rotor blade containment assembly (38) comprises a containment casing (40) and the containment casing (40) has a plurality of axially spaced ribs (66). The ribs (66) extend circumferentially and radially inwardl... | 03/04/2008 |
| 7334984 | Turbine shroud assembly with enhanced blade containment capabilities A low pressure turbine shroud assembly includes a backsheet with enhanced blade containment capabilities that is sized to be retrofitted into a conventional low pressure turbine assembly. The backsheet has first and second mounting rails at axially opposite ends the... | 02/26/2008 |
| 7320574 | Turbomachine A turbomachine has, on its inner casing (5) and on its shaft, recesses into which shrouds of rotor blades and/or of guide vanes (2a) protrude. The recesses are configured with wave-shaped contouring arrangements (10), which extend over th... | 01/22/2008 |
| 7318394 | Mount for connecting automotive fan motor to housing The motor of an automotive cooling fan system is attached to a housing by either bayonet mount, screw mount, or axial-snap features on both motor and housing, as well as a cradle structure on the housing. ... | 01/15/2008 |
| 7290982 | Arrangement for the attachment of distributor sectors supporting vanes around an arc of a circle The distributor sectors (25) of a turbomachine are secured adjacent to a casing (31) with sealing sectors (32) alternating with them in the axial direction. The distributor sectors (25) are provided with force resistant faces (37; 39 | 11/06/2007 |
| 7287956 | Removable abradable seal carriers for sealing between rotary and stationary turbine components The turbine includes a diaphragm having a seal carrier mounted in opposition to seal teeth carried by the rotary component. The seal carrier includes a seal face having a coating of abradable material enabling the rotary component to abrade the material from the sea... | 10/30/2007 |
| 7270333 | Brush seal with adjustable clearance A brush seal, comprising: a bristle arrangement having a retention section; a pair of plates flanking the bristle arrangement and having a clamping section to frictionally engage the retention section. The clamping section allows movement of the retention section be... | 09/18/2007 |
| 7252474 | Sealing arrangement in a compressor A sealing arrangement for a compressor that compresses a gaseous mixture of air and fuel includes a pressurized air supply duct for supplying pressurized air into a leakage pathway defined between a compressor wheel and a housing of the compressor, which leakage pat... | 08/07/2007 |
| 7251137 | Electronic component cooling apparatus An electronic component, cooling apparatus comprises a so-called water-cooled heat sink, a radiator to be cooled by a motor-driven fan, first and second coolant paths for circulating a coolant between the heat sink and the radiator, and a motor-driven pump for givin... | 07/31/2007 |
| 7244095 | Dual pressure Euler steam turbine A turbine, including a rotor on a shaft, and having in combination stationary nozzles discharging steam at a first pressure or pressures thereby producing impulse forces on the rotor; internal passages in the rotor producing a pressure head increase in the discharge... | 07/17/2007 |
| 7238001 | Seal arrangement The present invention relates to a seal arrangement in which a substantially labyrinth type seal is utilised between a rotating component and a stationary component such as a housing. An edged fin of the seal arrangement incorporates a slot nozzle or a slot nozzle i... | 07/03/2007 |
| 7234918 | Gap control system for turbine engines Embodiments of the invention relate to a system and method for controlling the size of gaps in a turbine engine. In many instances, it is desirable to minimize the size of the gaps between neighboring rotating and stationary components in a turbine engine, such as b... | 06/26/2007 |
| 7210905 | Compressor having casing treatment slots A compressor (16) comprises a rotor (40) having a plurality of circumferentially spaced radially outwardly extending rotor blades (42). A casing (44) surrounds the rotor (40) and rotor blades (42). The casing (44) has... | 05/01/2007 |
| 7210900 | Gas turbine engine component having bypass circuit A gas turbine engine component has an annular flange arm, a backing plate mounted to the flange arm and a bypass circuit formed between the flange arm and the backing plate. The bypass circuit includes one or more channels formed in one of the flange arm or the back... | 05/01/2007 |
| 7186074 | Axial flow stream turbines A drum-type rotor carries an annular row of moving blades having root portions held within a slot in the periphery of the rotor. A turbine casing surrounds the rotor and carries a static blade assembly with an annular row of static blades which, together with the an... | 03/06/2007 |
| 7140265 | Miniature particle and vapor collector An apparatus for collecting particles or vapor from air or surfaces comprising: a housing comprising an inlet open to the air to be sampled and an outlet; and a fan having one or more open areas within the housing capable of being driven at a speed effective to caus... | 11/28/2006 |
| 7134838 | Rotor blade for a rotary machine A rotor blade having a wing and beam construction for a tip shroud is disclosed. Various construction details are developed for providing the shroud with a depression in the shroud and a transition zone that extends from the suction side and pressure side of the air... | 11/14/2006 |
| 7104751 | Hot gas path assembly A hot gas path assembly, suitable for use in the hot gas path of a gas turbine, has as a hot gas duct wall an impact-cooled gas-impermeable element and a transpiration-cooled gas permeable element. The gas-permeable element is a run-on covering for the sealing tip, ... | 09/12/2006 |
| 7070387 | Gas turbine stator housing A housing including an outer casing provided with bearer hooks for stator rings and sealing rings. The hooks are discontinuous angularly and joined to a casing by tenon and mortise assemblies. The hooks and the casing may therefore be made in different materials, th... | 07/04/2006 |
| 7066713 | Rotor blade for a rotary machine A rotor blade having a wing and beam construction for a tip shroud is disclosed. Various construction details are developed for providing a transition zone that extends from the suction side and pressure side of the airfoil to provide a flow path surface of the shro... | 06/27/2006 |
| 7059821 | Method and apparatus to facilitate sealing within turbines A method to facilitate sealing between a rotary component and a stationary component is provided. The rotary component includes at least one bucket secured thereon, the bucket having a flow admission side and a flow exit side. The method includes coupling a spill st... | 06/13/2006 |
| 7032903 | Brush-seal designs for turbines and similar rotary apparatus A seal segment for a turbine is provided having labyrinth teeth and a brush seal disposed along the labyrinth teeth. A plurality of the segments for a seal ring. The segments are separable from each other so that the seal can retract. Each segment has two ends, each... | 04/25/2006 |
| 7029229 | Axial flow fan An axial flow fan of high efficiency and low noise level is provided. The fan includes a motor, an impeller having a plurality of blades around a hub fitted to the motor, and a fan casing having an air inlet on one side and an air outlet on the other, wherein a radi... | 04/18/2006 |
| 7025570 | Axial flow fan assembly An axial flow fan assembly is provided to prevent the backflow of fluid passing therethrough. The axial flow fan assembly includes a mounting panel having a through-hole to allow fluid flow, and an axial flow fan having a plurality of fan blades rotatably installed ... | 04/11/2006 |
| 7025338 | Seal and pressure relief for steam injection heater A direct contact steam injection heater is placed directly in line with a flow of stock through a pipe. The steam injection heater includes a Mach diffuser having a plurality of steam diffusion holes and an adjustable steam-plug cover that is positioned within a sta... | 04/11/2006 |
| 7025565 | Gas turbine engine component having bypass circuit A gas turbine engine component has an annular flange arm, a backing plate mounted to the flange arm and a bypass circuit formed between the flange arm and the backing plate. The bypass circuit includes one or more channels formed in one of the flange arm or the back... | 04/11/2006 |
| 7004732 | Fan shroud assembly The fan shroud assembly includes: a rectangular-shaped plenum having a first plenum portion of a larger side and a second plenum portion of a smaller side, which are mounted eccentrically; a fan shroud formed on an air discharge side of the plenum and having a airfl... | 02/28/2006 |
