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| Number | Title | Issue Date |
| 8100403 | Hydrodynamic intershaft seal and assembly A seal and seal assembly for providing a seal between an outer shaft and an inner shaft. The assembly includes a seal subassembly disposed between the shafts. The subassembly includes a split carbon ring, a solid outer ring, and a spring mechanism provided between t... | 01/24/2012 |
| 8083234 | Seal assembly Seal assembly for sealing a clearance gap between a boundary of an aperture formed in a housing and a member extending through the aperture. The seal assembly comprises a seal member and a seal member mounting means disposed around the sealing member and is configur... | 12/27/2011 |
| 7740247 | Compound sliding seal unit suitable for atmosphere to vacuum applications The present invention is a compound sliding seal unit of markedly reduced size and height dimensions which is employed as a discrete assembly for both the passage across and the at-will height adjustment of a mounted, rotatable shaft which extends from the atmospher... | 06/22/2010 |
| 7338106 | Sound damping and sealing system for tail gate A sound damping system for a swinging tail gate of a dump truck is described. The system comprises a two-part seal formed by a compressible sound damping material and a rigid compressing projection. One part of the two-part seal is secured along opposed vertical edg... | 03/04/2008 |
| 7322579 | Spline shaft seal assembly The present invention relates to seals and, in particular, to a seal that retains lubrication between the interface of a spline shaft and a sleeve shaft, which move relative to each other. The seal body has a flexible body with an axis and alternating projections an... | 01/29/2008 |
| 7305963 | Blade-thru-slot combustion engine, compressor, pump and motor This is simple and efficient rotary machine that can be implemented as compressor, pump, motor and mainly as internal combustion engine. The engine comprises a housing, a rotor(s) with a radial blade(s), a chamber(s) swept by the blade(s), an intersecting planar val... | 12/11/2007 |
| 7269982 | Steam seal for textile production The invention is a sealing mechanism for a steam chest (14) used in the manufacture of textile materials. This invention is a device for heating continuous textile material comprising: a steam chest (14) having a steam inlet, a material inlet (18 | 09/18/2007 |
| 7204184 | Guide system with pneumatic stop for a movable component In a guide system with a pneumatic stop structure comprising a cylinder with a piston including a piston seal element movably disposed in the cylinder and a piston rod connected to the piston and extending from the cylinder wherein a displacement chamber is formed a... | 04/17/2007 |
| 7191875 | Disc brake A disc brake includes a piston seal made of rubber that is shaped to fit into a seal groove on the inner surface of a cylinder of a caliper for a brake piston. To prevent braking effectiveness from being impaired, even if the temperature of a caliper rises in a disc... | 03/20/2007 |
| 7188477 | High temperature dynamic seal for scramjet variable geometry A seal assembly for use in an engine, such as a scramjet engine, having a movable element, such as inlet cowl flap, is provided. The movable element has an outboard structural member which requires thermal protection. The seal assembly includes a sealing element and... | 03/13/2007 |
| 7163206 | Fluid seal A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing... | 01/16/2007 |
| 7147230 | Sealing device and sleeve and holding element for such The sealing device is for drum filters or filter presses to form a seal between the rotary drum end faces and the end faces of the trough in which the rotary drums are situated. A sealing element (3) is disposed in a groove (1) on the rotary drum end f... | 12/12/2006 |
| 7134668 | Differential pumping seal apparatus A differential pumping seal apparatus includes a differential pumping seal for sealing a first space and a second space from each other in a non-contact manner, and a back up seal mechanism for sealing the first space and the second space from each other in a contac... | 11/14/2006 |
| 7090219 | Sealing device Sealing device for sealing at least one zone of underpressure or overpressure adjoining a moving surface that includes at least one sealing element, positionable opposite the moving surface to form a front and a rear, with respect to a surface running direction. The... | 08/15/2006 |
| 7066649 | Actuator In an actuator, displacement resistance in axial movement of a slider is reduced to improve durability and enhance maintainability. At each side of the actuator, a slit is made between a top cover and a side cover. Magnetic bodies are provided on the surfaces of bot... | 06/27/2006 |
| 7066473 | Glass seal weatherstrip There is provided a glass seal weatherstrip 20 installed to an automobile and having seal lips 22, 23 which does not damage a door glass in particular, does not produce strange noise and prevents seal lips of the weatherstrip from being entangled by th... | 06/27/2006 |
| 7055571 | Shield for a movable barrier A door system (10) used in connection with an opening defined by a pair of jambs (11) and a laterally extending header (12) connecting the jambs, the door system including, a pair of tracks (15) mountable on the jambs, the tracks having a... | 06/06/2006 |
| 7007954 | Annular gasket for a fluid transfer coupling, and a coupling fitted with such a gasket The invention seeks to enable a coupling to be made in which assembly forces during assembly of the gasket are small, even though the coupling is of large size, e.g. having a diameter equal to 50 mm. To achieve this object, the invention proposes making a gasket who... | 03/07/2006 |
| 6970230 | Lithographic apparatus and device manufacturing method A linear seal seals over a slot formed in a wall of a vacuum chamber of a lithographic projection apparatus. The linear seal includes an elongate sealing member which is locally displaced from the slot at a selectable position such that conduits may pass from outsid... | 11/29/2005 |
| 6956493 | Portable sensing light A motion-sensing light includes a power cord with a plug to be plugged into an electrical outlet. In one embodiment, the light is moisture-resistant, allowing the light to be used outdoors with a suitable electrical outlet. The light may be mounted on a wall with na... | 10/18/2005 |
| 6932873 | Managing work-piece deflection A work-piece deflection management system including: (a) a first and a second vacuum chambers, each said vacuum chamber having an air-bearing seal circumscribing one of its sides, and (b) a work-piece plate; wherein the air-bearing seals are aligned to face one-anot... | 08/23/2005 |
| 6921045 | Supersonic aircraft with channel relief control A supersonic aircraft comprises a fuselage extending forward and aft along a longitudinal axis, the fuselage having a lower surface and an upper surface, a highly swept low aspect ratio wing coupled to the fuselage and having a forward leading edge and an aft traili... | 07/26/2005 |
| 6905123 | Seals A gas seal for providing a seal between a pair of relatively rotatable components is provided with a stand-still seal which will seal between the components when the components are stationary, the stand-still seal having a sealing element mounted in sealing relation... | 06/14/2005 |
| 6889640 | Valve timing control device A first cylindrical part in which axial part passages for supplying a fluid to or discharging a fluid from a fluid pressure chamber are formed is provided in a rotor and, at the same time, a second cylindrical member in which cover passages communicating with axial ... | 05/10/2005 |
| 6802780 | Seal for double-tube driveshaft A seal system and method are provided to protect a double-tube vehicle driveshaft, having first and second members containing intermeshing splined portions, from premature wear or corrosion. The seal system comprises first and second splined inner-portions wherein t... | 10/12/2004 |
| 6789804 | Dry gas shutdown seal A dry gas seal has a housing with an annularly-shaped channel disposed concentric with the drive shaft, and an inlet to introduce pressurized buffer gas into the housing interior. An annularly-shaped shutdown piston is slidably received in the housing channel for ax... | 09/14/2004 |
| 6722657 | Low torque seal assembly with open cell filter media Disclosed is a labyrinth seal assembly for sealing an annular gap defined between a bore of a housing and an outer surface of a cylindrical shaft, wherein the housing and shaft are relatively movable. The seal assembly includes radially inner and radially outer shie... | 04/20/2004 |
| 6702553 | Abradable material for clearance control A highly porous alumina material and a method for applying such material that is useful in the hot section of a jet aircraft engine. In order to manufacture the porous alumina, an aluminum-based metal/alumina material known in the art is first placed onto... | 03/09/2004 |
| 6663109 | Rotating fluid seal A rotating seal assembly, comprising: a first member having a circular hole passing therethrough; a second member having a circular shape, the second member being positioned such that an annular gap is present between the first and second members; a conta... | 12/16/2003 |
| 6604743 | Replaceable wearing surface for a sealing arrangement The replaceable wearing surface is for a sealing arrangement on drum end walls on a press drum that de-waters fiber suspensions radially into the drum through the shell of the drum. The wearing surface of the sealing arrangement has a wear ring and holder... | 08/12/2003 |
| 6589394 | Controlled-force end seal arrangement for an air press of a papermaking machine An air press for pressing a fiber web includes a plurality of rolls and a pair of end seal arrangements. Of the plurality of rolls, each pair of adjacent rolls forms a nip therebetween. Further, each roll has a pair of roll ends, the plurality of rolls to... | 07/08/2003 |
| 6589391 | Top separator with intraseal for digester vessel in a pulp or fiber processing system A top separator assembly for a digester is disclosed comprising: a rotatable shaft for the top separator; a packing for the shaft; and a sealing ring operatively mounted to the shaft and having a nominal clearance with the pack box, said sealing ring moun... | 07/08/2003 |
| 6494458 | Rotary sealing assembly A sealing assembly for a rotatable shaft, comprising means to generate pressure differentials and temperature through pumping action and means to seal fluid, for example of the non-contact helical groove type. Sealing means are positioned outboard of pump... | 12/17/2002 |
| 6343792 | Shaft seal and turbine using the same A shaft seal having a high abrasion resistance is disclosed, by which the leakage of the gas from the high-pressure side to the low-pressure side can be reduced. In the shaft seal, flexible leaves are multi-layered to form a ring shape. The shaft seal is ... | 02/05/2002 |
| 6334934 | Sealing device and process for sealing pressure zones in a paper-making machine Sealing device and process for laterally sealing at least one excess pressure or vacuum zone adjoining a moving surface in a paper-making machine. The sealing device has at least one sealing element arranged in a receptacle area of a holder and is movable... | 01/01/2002 |
| 6334751 | Air lock Air lock for introducing and continuously passing a strip of a substrate into and through a vacuum chamber, including an enclosure containing at least three successive rollers in the direction of travel of the strip and between which a passage is made for... | 01/01/2002 |
| 6318727 | Apparatus for maintaining a fluid seal with a moving substrate An apparatus is disclosed for maintaining a fluid seal with a moving substrate. The apparatus includes an enclosure and a cap. The enclosure has a first surface and a second surface with the first surface being in sealing contact with the moving substrate... | 11/20/2001 |
| 6283010 | Piston rod-less pneumatic cylinder In a piston rod-less pneumatic cylinder, the sealing tape (5) sealing the lateral longitudinal slot (3) from the inside on either side of the piston (2) is held by an outer band (6) covering the longitudinal slot (3) from outside with the cylinder interio... | 09/04/2001 |
| 6254732 | Method for loading a seal of a suction roll and a sealing construction thereof A sealing construction for loading a seal against a suction roll in a paper machine includes a seal having a wear surface, side surfaces and a lower surface. The seal is fitted from its holder to the structure of a suction box which is inside the suction ... | 07/03/2001 |
| 6176491 | Sealing device In order to ensure that the working life of the sealing device is at least comparable to that of the remaining parts of the crawler track, the resilient annular element comprises a first annular portion and a second annular portion. The first annular port... | 01/23/2001 |
