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| Number | Title | Issue Date |
| 7372933 | Radioactive-material container, metal gasket for sealing the radioactive-material container, and method of manufacturing the metal gasket A radioactive-material container includes a container body that shields nuclear radiation, which includes a cavity that stores a basket containing a recycle fuel assembly, a lid that covers the cavity, and a metal gasket that includes a sealing area that makes a phy... | 05/13/2008 |
| 7360769 | Sealing arrangement A sealing arrangement, for example between adjacent nozzle guide vane platform segments (2A, 2B) in a gas turbine engine, comprises a seal (12) which extends across a gap (13) between the platform segments (2A, 2B) and engag... | 04/22/2008 |
| 7316402 | Segmented component seal A seal for restricting leakage of a fluid from a first chamber, through a gap between two components, to a second chamber is provided. A slot is formed in each of the two components. The slots face one another and are open to the gap. Each slot contains a longitudin... | 01/08/2008 |
| 7207605 | Tube coupling Coupling components which prevent relative rotation between tubular members when break away torque forces are applied to the tubular members. In one embodiment, the invention is a locking ring for preventing relative axial rotation between two generally tubular memb... | 04/24/2007 |
| 7201381 | Metallic seal The present invention is directed to a resilient, annular, metallic seal member having a generally “j” shaped cross-section. The annular, metallic seal member includes a first end portion having a first distal end, a generally curled second end portion that exte... | 04/10/2007 |
| 7198303 | Exhaust pipe joint and seal Compressed wire filament(s) form a seal that seals the joint between first and second pipes of an automotive exhaust system secured by bolted together first and second flanges. The seal is initially attached to the first pipe and first flange in an intermediate asse... | 04/03/2007 |
| 7165980 | Conduit bushing with revolving lug A grounding device for an electrical conduit which includes: a bushing having an outer wall and a notch in the outer wall; a lug rotatably accommodated by the notch; and a grounding connector with a set screw which is attached to the lug. The grounding conductor is ... | 01/23/2007 |
| 7134287 | Turbine combustor endcover assembly The endcover assembly for a combustor includes an endcover having an aperture, an insert disposed in the stepped bore opening through an internal face of the endcover, a fuel cartridge extending through the insert and aperture and a seal cover on the external face o... | 11/14/2006 |
| 7090224 | Seal device Primary objective of the present invention is to effect a seal against assembly clearances formed between components which admit flows of high temperature fluids or are subjected to vibrations. The seal device is comprised of a supporting member which has a first se... | 08/15/2006 |
| 7083171 | Metal seal and attachment method for the same and tight-seal construction A metal seal of ring as a whole disposed between a first contact flat face portion and a second contact flat face portion parallel to each other. This metal seal has a middle base portion, a first contact convex portion, and a second contact convex portion. The firs... | 08/01/2006 |
| 7080513 | Seal element for sealing a gap and combustion turbine having a seal element The invention pertains to a seal element for sealing a gap, in particular within a turbo-machinery, between a first component and a second components spaced apart from each other, said first component having a first surface and said second component having an opposi... | 07/25/2006 |
| 7048253 | Fuel injection A fuel injector for fuel-injection systems of internal combustion engines has a nozzle body and a magnetic coil positioned in a magnetic cup, the magnetic coil being penetrated by the nozzle body; and a plastic coating which at least partially surrounds the nozzle b... | 05/23/2006 |
| 7025360 | Metal seal with corrosion resistant alloy overlay A composite metal sealing ring and method are provided for sealing between tubular members. First and second tubular members have first and second conical inner sealing surfaces. A metal sealing ring has corrosion-resistant inlays defining opposing conical outer sea... | 04/11/2006 |
| 7004470 | Device for a pipe flange seal An arrangement for access to the external cylindrical/barrel shaped surface (16b) of a gasket (16) in flange connections in a piping installation in which the piping installation comprises flange halves (1, 1′) of the type in which a ga... | 02/28/2006 |
| 6983940 | Metallic seal The present invention is directed to a resilient, annular, metallic seal member having a generally “j” shaped cross-section. The annular, metallic seal member includes a first end portion having a first distal end, a generally curled second end portion that exte... | 01/10/2006 |
| 6979028 | Pipe joint A pipe joint is made up of a hollow cylindrical joint body made of an elastic material with a prescribed length, a circular flange embedded into each of the ends of the joint body, through holes provided axially at prescribed intervals in the direction of the circum... | 12/27/2005 |
| 6968615 | High temperature metallic seal A metallic seal includes a cold formed substrate layer and one or more additional layers. At least one of the layers offers improved resistance to high temperature stress relaxation. ... | 11/29/2005 |
| 6962348 | Sealing apparatus having a single groove A sealing apparatus includes a sealing arrangement and a groove in a base. The sealing arrangement may comprise an o-ring and a grounding gasket where both the o-ring and the grounding gasket partially protrude in a longitudinal direction from the groove. Thus, the ... | 11/08/2005 |
| 6952875 | Crush ring to seal the counter plate on hydrodynamic bearing A fluid dynamic bearing including a shaft rotating within a sleeve and a thrust plate or the like supported at an end of the shaft rotating in a recess defined with the sleeve. The thrust plate faces a counterplate supported from the sleeve over the recess, and the ... | 10/11/2005 |
| 6942222 | Seal for sealing and load bearing a process tube in a vacuum system A seal for sealing and load bearing a process tube in a vacuum system including a seal member and a load bearing spacer provided in a seal cavity. The seal generally includes a seal cavity provided in a housing, where the seal cavity is configured opposite the proce... | 09/13/2005 |
| 6932355 | Sealing arrangement There is referred to a sealing arrangement (10, 10′) comprising two armature members (11, 12), which are adapted to receive a sealing ring (13, 13′) between them for sealing off a joint between the armature members (11, 12), and a cla... | 08/23/2005 |
| 6926283 | Metal-to-metal sealing system An annular metal-to-metal sealing system comprises at least one metal member defining an annular sealing surface and an annular seal body which is comprised of a high strength metal material and which is positioned substantially concentrically relative to the annula... | 08/09/2005 |
| 6921035 | Fuel injection valve A fuel injector, in particular for direct injection of fuel into the combustion chamber of a mixture-compressing, spark-ignited internal combustion engine, includes a valve housing formed by a nozzle body, as well as a sealing ring, which seals the fuel injector aga... | 07/26/2005 |
| 6916048 | Device for fluid-tight connection of a fitting to an internal combustion engine fuel injector The fitting has a high-pressure fuel supply conduit, and the injector has a hollow body having a threaded seat engaged by a threaded portion of the fitting. The fitting has a shoulder located between the threaded portion and another portion of the fitting, and the h... | 07/12/2005 |
| 6916024 | Gasket In order to provide a gasket which can be repeatedly used over a temperature range in which a rubber gasket cannot be used, which does not have any risk of damaging a flange, and which can follow the change of the distance between flanges, a gasket is constructed in... | 07/12/2005 |
| 6837482 | Sealing arrangement for thermally enhanced sealing A sealing arrangement and method are disclosed for enhancing a seal in response to conditions of changing temperature. An annular seal is disposed in an annular sealing cavity, with the seal and the cavity having different changes in dimensions in response to a temp... | 01/04/2005 |
| 6811157 | Metallic gasket for vacuum device and method of producing thereof A gasket made of nickel, nickel alloy or stainless steel has a sealing face to be engaged by a knife-edge of a joint part. The gasket is cut to form a concave groove, a stepwise reduction in thickness or a sloping cut-out at the sealing face. The sealing face is pro... | 11/02/2004 |
| 6769698 | Seal ring and seal structure at flange joint used for composite tanks and pipes The object of this invention is to provide a structure of seal ring, and seal structure using the seal ring for flange joints of composite tanks and pipes, that prevents seal surface variations due to differences in thermal contraction between the seal ring and the ... | 08/03/2004 |
| 6722664 | Seal system for covers/flange couplings under high pressure A high pressure seal consists of a minimal convex excess which induces a plastic-elastic deformation on the flat opposing surface. The excess can also be formed by means of a ring with a circular cross section which after tightening of the screw coupling likewise fo... | 04/20/2004 |
| 6568692 | Low stress seal A low stress seal seals boundaries between rotor sections of a turbofan engine. The low stress seal includes rounded feet on the ends of legs, which rounded feet cooperate with rounded interior corners within a seal groove. The elimination of sharp interi... | 05/27/2003 |
| 6446978 | Resilient sealing ring A resilient seal has an annular curved region having a generally C-shaped cross section, and a pair of annular leg regions. Each leg region has a free end and extends generally radially inward towards the inside of the C-shaped cross section. The leg regi... | 09/10/2002 |
| 6439581 | Sealing structure for a mixing valve of hot and cool water An improved sealing structure for a mixing valve of hot and cool water is disclosed. A first trench with an approximate V shape is formed on the upper surface of the lower wall along the peripheral rim of the water inlets and water outlet and is retained ... | 08/27/2002 |
| 6435775 | Buoyancy system with buoyancy module seal A buoyancy system for a deep water floating platform includes at least one buoyancy module coupled to the a riser. The module may be coupled to a ring structure of an end cap coupled to the riser, or two modules may be coupled to a ring structure to coupl... | 08/20/2002 |
| 6422574 | Water seal for quick repair and flow control This invention relates to a more serviceable seal assembly of the above type, particularly adapted for applications in the cooling systems of internal combustion engines. The seal assembly of this invention comprises an annular ferrule, an elastomeric sea... | 07/23/2002 |
| 6409176 | Wellhead housing seal assembly with backup feature A tubular connection, an example of which is a subsea wellhead having a primary and secondary seal areas allows the use of a backup or contingency gasket for engagement with the secondary seal area in the wellhead should a failure occur in the primary sea... | 06/25/2002 |
| 6361049 | Recessed groove/seal surface for seal effectiveness A method of sealing at least a first seal surface to a second seal surface comprises the steps of placing a flexible ring member between the first and second seal surfaces and juxtaposing the first and second seal surfaces. The flexible ring member is com... | 03/26/2002 |
| 6325390 | Vacuum flange O-ring center ring A fixture for centering and holding an elastomeric O-ring in position between vacuum sealing flanges during assembly and use thereof, having an annular body defining an outer surface and O-ring holding flange disposed on the outer surface for holding an e... | 12/04/2001 |
| 6283175 | Enveloping device and vertical heat-treating apparatus for semiconductor process system The process tube of a vertical heat-treating apparatus for semiconductor wafers has a port at the bottom to be opened and closed by a lid. A sealing mechanism is arranged to seal the connecting portion between the flange of the port and the flange of the ... | 09/04/2001 |
| 6241254 | Detachable stationary sealing device The invention relates to the sealing of detachable joints of the pipelines and manifolds by using metal elastic gaskets. A detachable stationary sealing device comprises the flanges having sealing surfaces, being tapered for one of the flanges and concave... | 06/05/2001 |
| 6234545 | Clamped flange fitting and assembly A clamped flange pipe or tube fitting assembly includes a resilient seal ring compressed in a chamber formed by cooperating recesses in opposed flanges. The chamber and seal ring are dimensionally related in a manner to produce circumferentially continuou... | 05/22/2001 |
