Matches 1 - 50 out of 83 1 2 >


Match Document Document Title
US20140341733 BI-DIRECTIONAL SHAFT SEAL  
A non-contacting seal is provided, including a first sealing face formed on an end of a primary ring and a second sealing face formed on an end of a mating ring. Grooves may be formed in at least...
US20140191475 INTERLOCKING HOLE PATTERN SEAL  
A seal for a turbomachine is disclosed. The seal assembly includes a rotatable shaft having a stepped outer circumferential surface that defines one or more annular protrusions axially-spaced...
US20060033287 Controlled gap carbon seal  
At least one annular tooth is defined in at least one of an inner circumferential surface of a controlled carbon seal and an outer surface of a rotatable shaft. The annular tooth is axially...
US20130161911 SEAL FOR ENERGY RECOVERY WHEELS HAVING SPACED APART LATERAL WALLS  
The present relates to a seal for an energy recovery wheel. The seal comprises a main body defining an inner surface, and a pair of lateral walls extending from each lateral side of the main body....
US20140183825 FINGER SEAL  
An assembly for a gas turbine engine includes a component and a finger seal. The component has a first surface and a second surface. The first surface has an elevation that differs from an...
US20090243221 LEAF SEAL FOR A TURBOMACHINE  
A leaf seal is provided for sealing a radial gap between a stator and rotor of a turbo machine. The seal includes a plurality of metallic sealing leaves, arranged in a row and attached to a...
US20080265513 NON-CONTACT SEAL FOR A GAS TURBINE ENGINE  
A seal comprises the combination of a primary seal and a secondary seal each of which acts on at least one shoe that is installed with clearance relative to one of a rotor and a stator in a...
US20090085303 ROTATING WHEEL MECHANISM OF CONSTRUCTION MACHINE AND DRIVE WHEEL MECHANISM OF CONSTRUCTION MACHINE  
A floating seal is provided between the fixed housing and the drive wheel, and an outside seal is provided so as to cover the outer circumference of the floating seal. The outside seal is composed...
US20120098205 SEALING ASSEMBLY FOR A ROLLING BEARING  
A sealing assembly for a rolling bearing. The sealing assembly has at least one cover element for covering a bearing gap along a cover plane. The cover element has a securing section, a sealing...
US20070114728 Device for Sealing a Rotating Shaft Penetrating a Housing Wall  
A device for sealing a rotating shaft that penetrates a stationary housing wall has a sealing ring fastened to the housing wall and arranged between the housing wall and a shaft. The sealing ring...
US20100032908 SEAL  
This invention relates to a seal for sealing between a stator and rotor, including a generally annular carrier (11), an array of adjacent leaves (12) mounted in the annular carrier for sealing...
US20100025936 Leaf Seal Arrangement  
A leaf seal arrangement is provided in which within a housing there are edge portions to inter associate with non parallel chamfer edges in leaf seal elements. In such circumstances, deflection of...
US20110146503 PACKING AND STEAM COOKING DEVICE AND METHOD FOR MANUFACTURING STEAM COOKING DEVICE  
An insertion hole (83a) is provided in a packing (83) and a rotating shaft (81a) is inserted into the insertion hole (83a). A sliding portion (83b) forming an air clearance (83c) is provided on...
US20080131269 COMPLIANT PLATE SEAL WITH AN ANNULAR RING FOR TURBOMACHINERY AND METHODS OF ASSEMBLING THE SAME  
A method of assembling a turbomachine that includes a rotor and a stationary component is provided. The method includes coupling a housing to the stationary component using at least one biasing...
US20120007318 SEAL INCLUDING FLEXIBLE SEAL STRIPS  
A seal member for effecting a seal preventing fluid flow in an axial direction through an annular space formed between two relatively moving components including a rotatable shaft and a stator...
US20050104300 Sealing arrangement using flexible seals  
A sealing arrangement is provided between relatively rotatable bodies of a machine in which, in operation, a relatively high pressure (P1) exists on one side of the sealing arrangement and a...
US20070235946 Air riding seal  
A hydrostatic seal assembly used between a shaft and a housing to restrict the flow of fluid from a relatively higher pressure region in the housing to a relatively lower pressure region in the...
US20070063449 STATIONARY SEAL RING FOR A CENTRIFUGAL COMPRESSOR  
A stationary seal ring is adapted to cooperate with a housing and an impeller to define a seal. The impeller is rotatable about an axis and includes a first seal portion and a plurality of blades...
US20120223483 Aerodynamic Seal Assemblies for Turbo-Machinery  
The present application provides an aerodynamic seal assembly for use with a turbo-machine. The aerodynamic seal assembly may include a number of springs, a shoe connected to the springs, and a...
US20090066033 BARRIER SEALING SYSTEM  
A barrier seal system comprises a rotatable shaft disposed within an outer housing. The rotatable shaft axially extends from a high-pressure region to a low-pressure region within the outer...
US20090224484 FLOATING FLUID FILM SEALS  
A seal ring for a rotatable shaft in a turbo machine includes a seal body configured for disposing around the shaft wherein a radial gap is defined between an inner surface of the seal body and...
US20120315138 COMPLIANT PLATE SEAL ASSEMBLY FOR A TURBO MACHINE  
A seal assembly for a turbo machine is provided. The turbo machine includes a rotary component and a stationary component. The seal assembly is disposed between the rotary component and the...
US20120007317 AXIALLY ANGLED ANNULAR SEALS  
A seal member for effecting a seal preventing fluid flow in an axial direction through an annular space formed between a rotatable shaft and a stator structure. The seal member includes a...
US20130034438 SEALING ARRANGEMENT  
A sealing arrangement, for example for providing an intershaft seal between shafts of a gas turbine engine, includes an air-riding sealing ring disposed between runners. A buffer fluid, such as...
US20060151958 Packing ring for a turbine  
A ring segment (100) used to form a packing ring (6). The segment comprises an arcuate shaped piece interfitting with similar pieces to form an effective seal both between adjacent stages of a...
US20110304101 FILM RIDING PRESSURE ACTUATED LEAF SEAL ASSEMBLY  
In accordance with embodiments of this invention, a pressure actuated leaf seal assembly is provided that includes film riding, hydrodynamic/hydrostatic runners under seal member leaf ends. Leaf...
US20150078893 SEAL ARRANGEMENT FOR A TURBOMACHINE AND PROCESS FOR THE PRODUCTION THEREOF  
The present invention relates to a process for producing a seal arrangement (1) for a turbomachine which comprises a seal support (2) and a stripping lining (3) which is arranged on the seal...
US20080309018 Seal arrangement  
Leaf seal arrangements 1 are known in which a number of leaf seals 2 are presented in a housing 3 in order to create a seal relative to a rotating surface 4. Conventional arrangements 21 have the...
US20150226336 SHAFT SEAL ARRANGEMENT  
A shaft seal arrangement with a shaft extending along an axis and with a stator, wherein a rotating sealing ring is arranged on the shaft and a static sealing ring is arranged on the stator,...
US20140265146 COMPOSITE DYNAMIC SEAL MATING RING OR ROTOR  
A hydrodynamic mating ring includes a base and an insert coupled to the base. In embodiments, an insert has a coefficient of thermal expansion greater than the coefficient of thermal expansion of...
US20090085301 OIL SEAL  
An oil seal (1A) has an outer member (2) fitted to a crankcase (100), an inner member (3) integrally rotatably fitted to a crankshaft (101), and a first movable lip (4) disposed in the gap (G1)...
US20120200044 LEAF SEAL DEVICE  
A leaf seal device having a connection holding section of a sealing plate which is bent at a first bending section. A plurality of laminated sealing plates are engaged sequentially at the first...
US20130234399 SELF-ADJUSTING NON-CONTACT SEAL  
A self-adjusting non-contact seal for sealing the circumferential gap between a first machine component and a second machine component includes structure which undergoes wear in the event of...
US20050189723 Transition strip for covering layers on a support surface  
The combination of a support having an upwardly facing surface, a transition strip on the support, and first and second layers against the upwardly facing support surface. The transition strip has...
US20100072706 MECHANICAL SEALING SYSTEM AND METHOD FOR ROTARY MACHINES  
A rotary machine includes a machine rotor, a machine stator, and a fluid seal disposed between the machine rotor and the machine stator. The fluid seal includes a fluid seal stator, a fluid seal...
US20140205440 COMPLIANT PLATE SEALS FOR ROTARY MACHINES  
A seal assembly for rotary machine is provided. The seal assembly includes multiple compliant plates disposed between a stationary component and a rotary component of the rotary machine, and...
US20080309019 SEALING ASSEMBLY FOR ROTARY MACHINES  
A sealing assembly is provided. The sealing assembly includes a foil disposed circumferentially around a rotating component and configured to provide primary sealing to the rotating component...
US20080036155 Ferrofluid Seal Unit Used on Vertical Thermal Processing Furnace System for Semiconductor Wafer  
An outer shell member is fixed to the lower end of a rotational shaft so as to wrap around a unit main body from the lower side thereof to the outer periphery thereof. The gap between the...
US20100176556 Method Of Manufacturing Of A Compliant Plate Seal Assembly  
A compliant plate seal manufacturing method is provided. The method includes assembling a plurality of compliant plates and a plurality of spacer shims into a weld fixture, thereby forming a leaf...
US20070296157 BEARING SEAL  
A bearing seal includes a radially split stator and a rotor. The rotor is enclosed within the stator along the internal length of the rotor. The rotor may, optionally, also be radially split.
US20110057396 Air Riding Seal  
An improved air-riding seal system for turbine engines is presented. The seal system includes a movable primary seal assembly, a stationary secondary seal assembly, and at least one structure to...
US20150132116 METHODS AND SYSTEMS FOR SEALING A ROTARY MACHINE USING A SEGMENTED SEAL RING  
A hydrodynamic face seal ring for use in a rotary machine includes a support ring having at least two support ring segments and a radially-extending, first face. The support ring is configured to...
US20110189013 Arrangement comprising a shaft seal  
A shaft seal for sealing a gap between a shaft and a casing is provided. The shaft seal includes a plurality of sealing modules, at least one fluid feed and at least one fluid outlet. The sealing...
US20130106061 HIGH TEMPERATURE SEAL SYSTEM  
A hydrodynamic sealing system for use in an oxidizing environment includes a rotor and a sealing stator. The stator includes a solid lubricant or a surface treatment and the rotor is hardened or...
US20090309311 Methods and apparatus to facilitate sealing in rotary machines  
A method and seal assembly for a rotary machine including a rotary component and a stationary component is provided. The method includes providing a seal housing including a front plate and a back...
US20110135454 LEAF SEAL ASSEMBLY INCLUDING POLYMER MEMBER AND ROTARY MACHINE CONTAINING SUCH SEAL ASSEMBLY  
A seal assembly which, among other applications, may be used for sealing fluid leakage between low temperature multistage compressors and pumps, steam turbine rotors and turbine stator bodies. In...
US20120261884 SHAFT SEAL DEVICE AND ROTARY MACHINE INCLUDING SHAFT SEAL DEVICE  
There is provided a shaft seal device comprising a seal piece-laminated body (12) where a plurality of thin seal pieces (20) are laminated in the circumferential direction along a rotating shaft,...
US20120207417 NON-CONTACT SEALING RING AND SEALING ARRANGEMENT  
A sealing ring for sealing a rolling chamber of a rolling bearing, which has a supporting part that is fixed to a first bearing part and retains an elastic part. The sealing ring seals the roiling...
US20080224417 LOW LEAKAGE PLUNGER ASSEMBLY FOR A HIGH PRESSURE FLUID SYSTEM  
A fluid control device for use in a high pressure fluid system, the device including a device body with a cavity and a high pressure circuit, a plunger positioned for reciprocal movement in the...
US20120280458 HYDRODYNAMIC NON-CONTACTING SEAL  
A hydrodynamic non-contacting seal wherein the sealing surface of a rotatable sealing member is grooved in a spiral pattern such that the depth of the grooves decreases in a direction opposite to...

Matches 1 - 50 out of 83 1 2 >