Matches 1 - 50 out of 127 1 2 3 >
Match Document Document Title
7367122 Stepped sleeve repair of knife seal bores in driven compressor housing  
A method is provided for repairing a driven compressor housing including a bore having an inner surface configured to engage a shaft-mounted knife seal. The method includes the steps of removing...
7216871 Non-contacting seal for rotating surfaces  
A non-contacting seal for sealing in high temperature applications includes at least one segment having an inner pad with a hydrodynamic/hydrostatic lift-off geometry enabling the seal to run in a...
7178808 Layer system for the rotor/stator seal of a turbomachine  
A layer system for the rotor/stator seal of a turbomachine, in particular of a gas turbine, is applied to a metallic component and can be run in with respect to a further component which can move...
7025356 Air-oil seal  
An air-oil seal having a runner surface comprising at least one component selected from the group consisting of: polyetheretherketone; polyetherimide; polyphenylene sulfide; and polyetherketoneketone.
6969231 Rotary machine sealing assembly  
A sealing assembly for disposition in a rotary machine is disposed between a rotary component and a stationary component of the rotary machine. The sealing assembly includes at least one sealing...
6962482 Turbine shroud segment  
A shroud segment for being incorporated in a gas turbine engine having a turbine case and a rear turbine case connected with a rear end of the turbine case so as to suppress influence of hot...
6962342 System for sealing off a gap  
In fluid machines frequently gaps between movable and stationary structural parts have been sealed off. Frequently so-called labyrinth packings are used, whereby sealing strips brush against the...
6916021 Sealing arrangement  
The present invention relates to a sealing arrangement which is formed between a rotating assembly ( 4, 6 ) and a static assembly ( 3, 14, 15 ). In this sealing arrangement, the rotating assembly (...
6899339 Abradable seal having improved durability  
An air seal for use in a gas turbine engine provides improved durability, particularly at higher temperatures. The seal includes a seal substrate and an abradable seal layer on the substrate. The...
6890150 Center-located cutter teeth on shrouded turbine blades  
A turbine bucket includes an airfoil having a tip shroud, a shank and an entry dovetail; a tip shroud seal projecting radially outwardly from the tip shroud and extending continuously between end...
6887530 Thermal spray compositions for abradable seals  
A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant...
6844392 Abradable dry powder coatings, methods for making and coating, and coated articles therefrom  
An abradable dry powder coating ( 22 ) composition for coating onto a surface ( 12 ) for subsequent curing to form into an abradable coating, including a powder ( 16 ) formed of uncured thermoset...
6843482 Shaft seals for sealing pulverulent solids  
An apparatus and method for providing a seal between first and second relatively rotatable parts of machines which operate in an environment comprising dust, grit or other finely divided solid...
6834859 Labyrinth grease hub seal  
The present invention provides a labyrinth sealing assembly for placement between a shaft and a bearing housing comprising an annular stator having a body portion, an axially inner engagement...
6827350 Hybrid honeycomb and brush seal for steam gland  
A steam gland includes a steam inlet scroll and an extraction scroll axially spaced from one another defining high and low pressure regions. A seal body is disposed between the regions and includes...
6786488 Seal structure, turbine having the same, and leak-preventing seal system for rotating shaft  
In order to decrease gas leakage and in order to restrict the friction between the brush and the rotating shaft, a seal structure for a rotating shaft comprises a stator section, a rotating shaft,...
6739593 Device for reducing the sealing gap between a rotating component and a stationary component inside a rotary turbo-engine through which a flow passes axially  
A device for reducing the sealing gap between a rotating component and a stationary component inside a rotary turbo-engine through which a flow passes axially and in which the rotating component...
6733014 Brush seal  
The brush section of a brush seal is protected from damages during installing work. It is constituted such that a brush seal unit has, at the free end of the brush section, at least one ablative...
6533285 Abradable coating and method of production  
An improved sealing mechanism for a turbomachine such as a compressor for a gas turbine engine employs an abradable coating with a solid lubricant and metal alloy having a quasicrystalline phase.
6485025 Metallic cellular structure  
An abradable turbine seal having a novel honeycomb cellular structure fabricated from metal foils or sheets showing good manufacturability, optimized brazeability and especially good structural...
6478304 Sealing ring for non-hermetic fluid seals  
A sealing ring is provided for non-hermetic fluid seals with a restricted passage between sealing elements rotating relative to one another the sealing has a carrier and at least one sealing rib...
6352264 Abradable seal having improved properties  
An air seal for use in a gas turbine engine is disclosed. The seal includes a seal substrate, and an abradable layer on the substrate, with the abradable including a thermoset polymer and a...
6334617 Composite abradable material  
An abradable material for use at moderate temperatures which is particularly suited for use in the compressor sections of gas turbine engines. Abradable seals of the invention comprise an abradable...
6290232 Rub-tolerant brush seal for turbine rotors and methods of installation  
A rotor shaft of a steam turbine is provided with a dovetail-shaped groove. A plurality of inserts are received in the groove through an entry slot at a predetermined circumferential location. Each...
6251494 Honeycomb structure seal for a gas turbine and method of making same  
A honeycomb structure seal is provided for the casing of a turbine, particularly a gas turbine, having a base plate facing the casing wall as well as a brush-against section facing the tips of the...
6203021 Abradable seal having a cut pattern  
An abradable seal is provided utilizing a laser to cut a pattern into the surface effective to improve abradability in the area of the pattern.
6186508 Wear resistant coating for brush seal applications  
A metallic coating containing hard carbide particles is described. The coating is applied by an HVOF process using powder particles whose size ranges from about 15 to about 44 microns. The carbide...
6116612 Fluid seal  
An annular seal is provided between a turbine rotor disc and the adjacent static structure. The seal comprises rotor fins extending from the turbine disc for rotation therewith and an abradable...
6105966 Brush seal segment  
A brush seal segment useful, when circumferentially arrayed with other such segments, to seal the gap between a rotor and a surrounding casing of a rotary machine such as a steam turbine. An...
6012723 Brush gasket  
A brush gasket for two co-operating components located opposite one another. The brush gasket has a carrier body for the brushes arranged on one of the two components to be sealed off relative to...
5951892 Method of making an abradable seal by laser cutting  
An abradable seal is provided utilizing a laser to cut a pattern into the surface effective to improve abradability in the area of the pattern.
5720486 Self-formed labyrinth seal  
A labyrinth shaft seal for preventing the migration of gear lubricant from a mixer drive assembly into a batch of process materials being mixed. In the preferred embodiment, a portion of the...
5707207 Layout for connecting two angular sectors of a turbomachine, and seal designed for use in this layout  
A layout for connecting two platforms of a turbomachine which support blades. A common clearance between the blades is occupied by a seal which includes a core placed in channels under the surface...
5704614 Method of servicing turbine seal  
A rubbing strip is used in conjunction with the sealing strips of a seal to prevent contact between the sealing strips and a rotating member with which the sealing strips form a seal. The rubbing...
5603603 Abrasive blade tip  
An improved abrasive blade tip for gas turbine engines is taught, wherein an abrasive tip coating is applied to the blade tip in such a manner as to lessen wear through of the abrasive and the...
5599026 Turbine seal with sealing strip and rubbing strip  
A rubbing strip is used in conjunction with the sealing strips of a seal to prevent contact between the sealing strips and a rotating member with which the sealing strips form a seal. The rubbing...
5536022 Plasma sprayed abradable seals for gas turbine engines  
A gas turbine abradable seal is prepared by plasma spraying an oxidation resistant metallic material and boron nitride. The resultant structure comprises a metallic matrix encompassing a...
5496046 Turbine seal rub protection means  
In a compressible rotating machine having stationary and rotating elements and employing seal teeth between the stationary and rotating elements capable of being rubbed, worn and damaged by the...
5484665 Rotary seal member and method for making  
A rotary seal member, such as a gas turbine engine blade, is provided with an improved surface layer which has an elastic modulus matched with the elastic modulus of a substrate of the member....
5326647 Abradable layer for a turbo-engine and a manufacturing process  
An abradable layer for labyrinth seals of a turbo-engine, particularly a gas turbine is provided. The labyrinth is made of a layered composite material with a core and a shell and embedments. A...
5314304 Abradeable labyrinth stator seal  
In a gas turbine engine having a laybrinth seal between an annular rotor and stator therein, in which the stator is surmounted by a honeycomb structure and the rotor has a knife edge which is...
5304031 Outer air seal for a gas turbine engine  
An uncooled turbine outer air is comprised of a combination of monolithic ceramics with high temperature capability and oxidation and creep resistance, and a fiber reinforced ceramic composite with...
5224713 Labyrinth seal with recirculating means for reducing or eliminating parasitic leakage through the seal  
A labyrinth seal for use in a gas turbine engine and placed between adjacently lying differently pressurized compartments where leakage may occur from the higher to the lower pressure compartment,...
5186472 Unitized radial shaft seal  
A unitized seal includes a first seal casing having a radially-extending unitizing flange and a second seal casing having an annular elastomeric bumper. The bumper has an engagement surface which...
5185217 Relatively displacing apparatus  
A relatively displacing apparatus including a movable member and a stationary member which has a coating layer disposed adjacent to the movable member, formed by flame spray coating and including...
5178529 Seal formed of plastic layer having outwardly open depressions  
The seal or pattern between two machine parts has on one of the sealing gap-forming, facing surfaces (5) a plastic layer (1) with closely juxtaposed depressions (8) which have the form of partly...
4925365 Turbine stator ring assembly  
A stator ring assembly for a turbine comprising a plurality of sections, each section has a first sheet metal portion being connected to a second sheet metal portion, and a support ring of...
4884820 Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members  
A rotary gas seal in which a first member, e.g., a tip, cooperates with a second member to inhibit gas flow therebetween, the improvement wherein, the tip is provided with a ceramic or metallic...
4820119 Inner turbine seal  
An inner turbine seal is formed of a full annular vane platform structure (32) and a full annulus seal land structure (60). These two structures are splined together (48, 50, 64) and piston ring...
4704332 Lightweight fiber reinforced high temperature stable glass-ceramic abradable seal  
A composite material suitable for use as an abradable seal is described. The seal comprises a high temperature stable fiber reinforced glass or glass-ceramic matrix base having at least one layer...
Matches 1 - 50 out of 127 1 2 3 >