Abstract: Provided is a metal gasket, which is used for connecting pipes to each other in a thermal power plant, a nuclear power plant, a steam engine in a steam turbine ship, an oil refinery line, a petrochemical industry process line, a semiconductor manufacturing line or the like, and which is characterized in that a V-shaped circumferential groove 2 is provided on the outer circumferential surface of the metal gasket 1, the ratio (circumferential groove depth A/horizontal length B) of the depth A of the circumferential groove 2 and the horizontal length B in a cross section of the metal gasket 1 is 0.1 to 0.95, and the notch angle of the V-shaped circumferential groove 2 is 30° to 120°.

Abstract: In one aspect, a sealing assembly for a turbine of a gas turbine engine includes a first turbine component having a first surface and a second surface positioned aft of the first surface. The first turbine component, in turn, defines a slot positioned between the first surface and the second surface. Furthermore, the sealing assembly includes a second turbine component positioned aft of the first turbine component such that the first component and the second component define a gap therebetween. Additionally, the sealing assembly includes a seal configured to seal the gap defined between the first turbine component and the second turbine component. The seal includes a first portion positioned within the slot such that the first portion exerts a sealing force on the second surface of the first component. Moreover, the seal further includes a second portion that exerts a sealing force on the second component.

Abstract: The present application relates to a frictional damper, a frictional damper assembly and method for installing the frictional damper. The frictional damper comprises a split ring; and a disk spring positioned against the split ring and tensioned by the split ring in an installed state.

Abstract: A vehicle body member manufacturing method and a vehicle body member joint portion seal structure are obtained that are capable of suppressing sinking of a sealing material filled into a recess formed by a first member and a second member. A sealing material is filled into a recess provided between a general face of an upper end portion of center pillar R/F and a general face of side rail R/F. After the sealing material has cured, sealing material is filled into the recess on top of the initial sealing material. This enables the surface of the sealing material to be levelled, thus enabling sinking at the surface of the sealing material to be suppressed.

Abstract: The invention relates to a turbine assembly (1) comprising an annular structure extending circumferentially about an axial direction (DA) and comprising ring segments (10) arranged circumferentially end to end and comprising adjacent connection faces (13a), linked by linked by sealing tabs (21, 22) in the wall (11) and in the flange (12). The invention is characterised in that the grooves (31, 32) and tabs (21, 22) are curved, the tabs (21, 22) having a bending degree of freedom starting from their mounting position in the presence of an air pressure exerted from upstream to downstream between the adjacent connection faces (13a, 13b) of the at least two adjacent ring sectors (10) during operation of the turbine, the tab (22) having a second point (220) which is in contact with a point (213) of the tab (21).

Abstract: A combustor includes a liner having an outlet end to pass combustion gas and a liner flange protruding outward from the outlet end; a transition piece to discharge combustion gas from the liner to a turbine, the transition piece having an inlet end for coupling to the outlet end of the liner and a transition piece flange protruding outward from the inlet end to face the liner flange; and a first elastic support installed on the liner flange to protrude toward the transition piece flange. A force applied from the transition piece elastically deforms an elastic arch of the first elastic support, which includes a movable support that is spaced apart from the liner flange if the force applied from the transition piece does not primarily deform the elastic arch. An auxiliary elastic support installed inside the first elastic support elastically deforms if the force secondarily deforms the elastic arch.

Abstract: A seal assembly can accommodate deflection between two components through a cartridge that is slidingly engaged with a slide plate.

Abstract: Humidifiers can include a liquid tank removably attachable to a base portion. The liquid tank can include an upper connector configured to engage a lower connector of the base portion when the liquid tank and the base portion are attached. The liquid tank can include a touch interface configured to receive a touch input from outside of the liquid tank and a liquid level sensor configured to output a signal representative of a level of liquid in the liquid tank. The base portion can include a controller that is in electrical communication with the liquid level sensor and the touch interface when the upper connector engages the lower connector. The controller can be configured to adjust operation of the humidifier based on signals received from the touch interface and can receive signals from the liquid level sensor representative of the amount of liquid in the liquid tank.

Abstract: A turbine of a gas turbine engine that includes a stationary shroud ring having inner shroud segments circumferentially stacked about a hot gas path. The inner shroud segments may include a first inner shroud segment that includes: a cooling configuration having cooling channels configured to receive and direct a coolant through an interior of the first inner shroud segment, where each of the cooling channels extends lengthwise between a first end and a second end that includes an outlet formed through an exterior surface of the first inner shroud segment; a circumferential edge; a slot formed in the circumferential edge; and a sealing member positioned within the slot. The outlet of at least one of the cooling channels may be positioned within the slot.

Abstract: A turbine ring assembly including both a plurality of ring sectors together forming a turbine ring and also a ring support structure including an upstream annular flange and a downstream annular flange, each ring sector having a first horizontal sealing tongue, an upstream vertical sealing tongue, and a first downstream vertical sealing tongue. Each ring sector also includes a second horizontal sealing tongue over the first horizontal sealing tongue in the radial direction of the ring. A first angled sealing element is housed both in a vertical groove present in the upstream tab and in a second horizontal groove, and a second angled sealing element is received both in a first horizontal groove and in a first vertical groove present in the downstream tab.

Abstract: A system comprises a pipe defining a fluid passage, the pipe having a first rate of thermal expansion. A housing defines an opening for receiving an end of the pipe for fluid circulation between the fluid passage and an interior of the housing, the housing having a second rate of thermal expansion lesser than the first rate of thermal expansion, at least one annular gap defined between a periphery of the opening and the end of the pipe when the system is below a safety condition threshold temperature. Seal(s) seal the annular gap, wherein the pipe and the housing are configured and the first and second rates of thermal expansion are selected so that, when the system exceeds the safety condition threshold temperature, the end of the pipe contacts the periphery of the opening by thermal expansion to seal the annular gap independent of the at least one seal.

Abstract: In accordance with some embodiments of the present disclosure, a gas turbine engine is presented. The engine has at least one turbine stage and each stage has a turbine disc concentric with the axis of the engine. The turbine disc has a turbine arm positioned axially from the disc and rigidly attached thereto. The drive arm is also concentric with the turbine axis and has an outer surface. The turbine stage also has a cover plate concentric with the turbine axis and covering at least a portion of the turbine disc. An arrangement of turbine blades are positioned around the periphery of the disc and are retained on the turbine disc at least partially by the cover plate. The system includes a spanner nut, and threads on a portion of the turbine drive arm. The spanner nut is threaded onto the turbine arm which applies an axial force on the cover plate, thereby retaining the cover plate.

Abstract: A sealing arrangement for sealing a pressure chamber in a high pressure pump which is bound by a first and a second bounding element, includes a separate sealing element which has a first sealing surface for co-operating with the first bounding element, as well as having a second sealing surface for cooperating with the second bounding element. The two sealing surfaces are inclined with respect to one another and each have a groove for receiving a sealing ring. The sealing element is arranged in such a way that it can be displaced totally along one of the bounding elements on the application of pressure.

Abstract: A system and method for manufacturing objects in an automated fashion to improve the accessibility and effectiveness of manufacturing technologies. The system may be comprised of one or more web-accessible servers, one or more clients that may communicate with the server, and one or more manufacturing apparatuses that may communicate with one or more clients or servers. The server turns designs into manufacturing instructions using user-specified settings and databases of manufacturing parameters for particular apparatuses and/or manufacturing methods. The system may facilitate communication and revision of designs, manufacturing parameters, or manufacturing instructions between the user and the owner or operator of the manufacturing apparatus. The client may facilitate communication between the server and manufacturing apparatus, may monitor the manufacturing apparatus, and may be physically internal or external to the apparatus.

Abstract: An airfoil includes an endwall section and an airfoil section that defines, at least in part, an airfoil profile. At least one of the airfoil section or the endwall section includes a seal cavity, and a seal is disposed in the seal cavity.

Abstract: A gas turbine engine assembly includes a seal formed by the interface between first and second support components. The support components are each formed to include a notch. Adjacent notches cooperate to form a space when assembled. A seal member is located in the space.

Abstract: A sealing system which has an annular seal which is used for sealing between a first member and a second member and which has a base portion, from which there projects axially in the direction towards the second member a sealing lip which ends in an end-side sealing portion which abuts an annular sealing face of the second member in a sealing manner. The annular sealing face has a conical first sealing face portion and a second sealing face portion which adjoins it in a radially outward direction, wherein the portion is formed by the base face of an annular indentation of the second member. The sealing lip tapers in the direction towards the sealing portion thereof and in the position for use thereof is axially compressed by the action by means of the two members and at the same time curved radially inwards. The sealing system is in particular a component of a valve.

Abstract: An engine component for isolating a first pressure and/or first flow and a second pressure and/or second flow is provided. The engine component may comprise a body portion, a first seal element and a second seal element. The body portion may include a first standoff and a second standoff. The first seal element housed within the body portion. The second seal element may also be housed within the body portion. The second seal element may be coupled to the first seal element.

Abstract: A seal having a cross-sectional profile that includes a first lobe, a second lobe, and a corner having an angle between 45 and 90 degrees, inclusive, a first side extending from the first lobe to the corner and a second side extending from the second lobe to the corner, where the first side and the second side define the corner angle. The seal can be seated in a groove so that the first lobe and the corner are in the groove and the second lobe extends from the groove. In use, the second lobe folds into the groove to form a fluid-tight seal.

Abstract: A mid-turbine frame (MTF”) for a jet engine is disclosed and comprises a duct that extends between a high pressure turbine (“HPT”) and a low pressure turbine (“LPT”), the duct comprising a plurality of segments that together form an outer annular structure and an inner annular structure, the inner annular structure situated radially inward of the outer annular structure, and/or a plurality of vanes that extend radially outward from the inner annular structure toward the outer annular structure, each vane comprising a channel. Each segment may be coupled to an adjacent segment by a seal.

Abstract: The present disclosure relates to gas turbine engine and seal configurations, and components for a gas turbine engine. In one embodiment, a seal for a gas turbine engine includes a first circumferential seal, a second circumferential seal and a seal support structure configured to retain at least a portion of each of the first and second seals. The seal support structure is mounted between a turbine assembly and bearing compartment, and wherein the first and second seals provide barriers to a cavity between the turbine assembly and bearing compartment.

Abstract: The method includes providing a generally annular sealing element, the sealing element having an inner circumferential sealing surface configured to engage with a relatively movable member, and an outer casing blank including one of: a generally axially-extending section and a generally radially-extending section extending inwardly from the axially-extending section; and a generally annular disk and a generally cylindrical tube. The method may also include determining a desired diameter for a generally annular outer casing, removing a portion of the provided one of the radially-extending section and the annular disk, such that a diameter of the outer casing blank is about equal to the desired diameter, and coupling the sealing element to the outer casing blank after removing the portion of the provided one of the radially-extending section and the disk.

Abstract: A gas turbine engine assembly includes a support component, an engine component, and a seal. The annular support component is formed to include a notch. The engine component is mounted in spaced-apart relation to the support component so that a gap is formed between the support component and the engine component. The seal is located in the notch and is adapted to close the gap.

Abstract: A selectable symbol engraving tool for use with a CNC machine. The engraving tool includes a housing and an array of styluses supported in the housing. A pattern disk is rotatably supported in the housing and is connectable to a spindle of the CNC machine. The pattern disk includes a plurality of hole patterns, each selectable via rotation of the spindle and including one or more clearance holes corresponding to a symbol. The array of styluses is positioned to confront a selected one of the plurality of hole patterns such that styluses corresponding to the clearance holes are refracted and the remaining styluses are extended. The extended styluses are operative to engrave the symbol corresponding to the selected hole pattern in a work piece via orbiting about a virtual axis of rotation when the selectable character engraving tool is moved in a circular motion by the CNC machine.

Abstract: A seal assembly that may be for turbine engine includes a first wall defining in-part a first flowpath and a second wall defining in-part a second flowpath having a pressure that is greater than the first flowpath. The second wall has a plurality of metering apertures in fluid communication between the second flowpath and a cavity defined by and between the first and second walls. The walls may be convoluted and generally, resiliently compressed between two substantially opposing surfaces for providing a seal between the two flowpaths.

Abstract: A turbine seal system comprises a structural frame, a structural member, a seal and a bumper. The structural member is disposed opposite the structural frame. The seal extends between the structural frame and the structural member. The bumper is anchored to the structural frame or the structural member and extends toward a mid-region of the seal. In one embodiment, the structural frame comprises a ring-strut-ring turbine exhaust case.

Abstract: A turbine is provided comprising a plurality of stages, each stage comprising a rotatable disk and blades carried thereby, at least one pair of adjacent rotatable disks defining an annular gap therebetween and having respective opposing sealing band receiving slots aligned with the annular gap A sealing band is located in the opposing receiving slots to seal the annular gap Disk engagement structure is defined in the pair of adjacent rotatable disks. A clip member is coupled to the sealing band and engaged with the pair of adjacent rotatable disks through the disk engagement structure The clip member may have an aperture extending only partially through the clip member for alignment with a hole in the sealing band for engagement with a tool To improve weld geometry, the clip member may have angled surfaces and notched areas, and the sealing band may have chamfered edges.

Abstract: A fluid filled pressure measurement system having a pressure sensor or pressure gauge and a diaphragm seal to a process wherein the diaphragm seal is moveable by changing the volume behind the diaphragm seal by the volume member. In a first position the diaphragm seal is seated or is a parked position such that the diaphragm seal is fixed to avoid deformations during cleaning.

Abstract: A seal system includes one or more corner seals and a sill seal attachable to the corner seal(s). The sill seal includes a horizontal portion, an outer flange depending from the horizontal portion, an oblique portion extending obliquely from the horizontal portion, and an inner flange extending upwardly from the horizontal portion. A wiper extends upwardly from the inner flange. The inner flange and oblique portion cooperate to form a trough. One or more weep holes are formed in the inner flange to allow for communication of water from the trough to the other side of the inner flange.

Abstract: A spindle mountable camera system connectable to a CNC machine for work piece inspection and identification. The camera system includes a mounting stem connectable to a CNC machine tool holder. The mounting stem includes an air passage connectable to an air supply of the CNC machine. An enclosure is attached to the mounting stem and includes a camera opening. A camera module is disposed within the enclosure and an air supply line is connected between the mounting stem and the camera module. An enclosure cover is pivotably mounted to the enclosure proximate the camera opening. One or more pneumatic cylinders are connected to the air passages and extend between the enclosure and the enclosure cover to move the enclosure cover between an open position and a closed position.

Abstract: A fastening assembly includes a fastener having a head with an underside and an elongated shaft extending therefrom. The fastener constructed of at least one of a refractory metal and a superalloy. A washer includes a body with an upper surface and an opposing lower surface which defines opening portion for receiving the elongated shaft of the fastener therethrough. The upper surface of the washer forms diffusion bonds with the underside of the head of the fastener when the washer and the fastener are held in contact at temperatures in excess of 500° C.

Abstract: A strip-shaped support and insulating element for supporting and insulating a window frame with respect to a main wall includes: (1) a support part formed of load-bearing material and having (a) a first side surface engageable with the main wall and (b) a second side surface substantially perpendicular to the first side surface and supportingly engageable with the window frame, the support part including (a1) a first web that includes the first side surface and an inner side surface opposite the first side surface and (a2) a second web connected to and projecting at an angle from the first web; and (2) an insulating part along the inner side surface of the first web and pivotably connected to an outer edge area of one of the first and second webs such that the insulating part is pivotable between positions which expose or cover the inner side surface of the first web.

Abstract: A sealing construct for a space environment includes a seal-bearing object, a seal on the seal-bearing object, and a seal-engaging object. The seal includes a seal body having a sealing surface, and a textured pattern at the sealing surface, the textured pattern defining at least one shaded channel surface. The seal-engaging object is selectively engaged with the seal-bearing object through the seal. The seal-engaging object has a sealing surface, wherein, when the seal-engaging object is selectively engaged with the seal-bearing object, the sealing surface of the seal-engaging object engages the sealing surface of the seal, and the seal is compressed between the seal-bearing object and the seal-engaging object such that at least one shaded channel surface engages the sealing surface of the seal-engaging object.

Abstract: A seal arrangement is installed between confronting co-planar portions of a low pressure steam turbine exhaust hood and a circular bulkhead that forms part of an exhaust duct structure of a steam turbine module. The seal arrangement forms a vacuum seal between the interior and exterior of the exhaust hood and comprises a flexible gasket in the form of an annular diaphragm. This diaphragm has a radially inner circumferential portion that seals with the bulkhead, a radially outer circumferential portion that seals with the exhaust hood, and a radially median resilient portion. Sealing is achieved by providing radially inner and outer clamping flanges operative to sealingly clamp inner and outer circumferential portions of the gasket to the bulkhead and the exhaust hood respectively.

Abstract: A sealing segment for sealingly connecting two structural components parts which are movable relative to one another, with two sealing bodies which are connected to one another by a web and which can be arranged in recesses of the structural component parts in an articulated manner, and a sealing segment arrangement with a plurality of sealing segments of this type, and a flow machine with a sealing segment arrangement of this type.

Abstract: A metallic seal design that reduces manufacturing costs by minimizing production steps and also lowers the sealing force by incorporating a thin-wall, high height/width ratio annular column. The seal has two horizontal ribs which constrain the thin-wall column from unstable buckling to thereby reduce or eliminate the tendency of the sealing dams to become inclined to sealing flange surfaces.

Abstract: An interface between an engine block and a cylinder head is provided. The interface includes a ferrule that accommodates relative movement between the cylinder head and the engine block while maintaining sealing of fluid passages that extend between the cylinder head and the engine block. The interface thus forms a fluid passage seal assembly.

Abstract: A water resistant structure includes a first member having a stepped portion at an opening thereof; a second member having a rib protruding from a back surface thereof; and a water-stop member having an elastically deformable water-stop portion at a tip of a second plate portion that extends upward from a first plate portion. The first plate portion is attached to a horizontal surface of the stepped portion by double-sided adhesive tape. The second plate portion faces a vertical surface of the stepped portion. The water-stop portion is spread along the vertical surface of the stepped portion. The rib is pressed into an inner side of the water-stop portion, and the water-stop portion is pushed against the vertical surface of the stepped portion and the rib.

Abstract: A seal arrangement includes a body having at least two walls defining a cavity, the walls are engagable with at least one structure through expansion of the body, and graphite is sealingly engaged with the body and the structure and resiliently compressively maintained within the cavity by the at least one structure.

Abstract: A packing includes a base part that is attached to a duct, and a seal lip part that extends from the base part toward a battery module to press against the battery module. A first bend portion is provided midway in the seal lip part. A second bend portion is provided in a continuous portion between the base part and the seal lip part. The first bend portion and the second bend portion are bent in a direction opposite to each other.

Abstract: A sealing member for forming a seal in an aircraft, the sealing member comprising: a sealing material; and a stiffening element which provides structural support to the sealing material and comprises a material with a glass transition temperature below +50° C. The stiffening element is relatively flexible when the aircraft is at low altitude (high temperature) but becomes relatively stiff (increasing resistance to seal flutter) when the aircraft is at cruise altitude (low temperature).

Abstract: A train axle assembly includes a train axle, a ring assembly coaxially mounted on the train axle and a structure operatively engaged by the ring assembly and mounted on the train axle. The ring assembly has an outer diameter and a main section adjacent the outer diameter. The ring assembly includes a projection extending axially from the main section which is located at a diameter less than the outer diameter of the ring assembly. The projection has a portion of a diameter contacting the train axle so that the ring assembly is affixed to the train axle to provide resistance to relative rotation and axial movement between the ring assembly and the train axial.

Abstract: A method of producing a seal comprising forming an elongated strip of a thermoplastic material having laterally spaced, interlockable portions; bending such strip along a longitudinal line disposed between the spaced interlockable portions to position the interlockable portions in opposed relation; and interlocking the interlockable portions together when such portions are disposed in opposed relation to provide a bulb segment and a mount segment.

Abstract: The rolling bearing comprises an inner ring 1, an outer ring 2, at least one row of rolling elements and at least one seal 7 provided between the outer and inner rings. The seal 7 has, in cross section, the overall shape of an H and comprises internal lips 21, 22 and external lips 23, 24 forming the two substantially parallel branches of the H. The inner and outer rings 1, 2 comprise opposite radial ribs 25, 26 located axially between the internal and external lips 21 to 24 to axially retain the seal.

Abstract: An electronics frame for a wired pipe drill string, including a housing arranged to be disposed within the wired pipe drill string. The housing includes a chamber formed therein and one or more electronic components disposed in the chamber. A shape memory element is disposed in the chamber. The shape memory element is transitionable in response to a transition stimulus between a first shape permitting positioning within the chamber and a second shape sealingly engagable with the housing to isolate the one or more electronic components from fluid. A method of isolating an electronic component is also included.

Abstract: The present invention introduces a metal seal flange assembly for a vacuum system. A new designed metal gasket has a crosses-section shape of irregular quadrangle with two sharp angle forms by the longer base and legs. The long base of the irregular quadrangle is the vertical inner wall of the metal gasket. A preferred cross section shape of the metal gasket is trapezoid or isosceles trapezoid. This design can reduce the normal force applied to the metal seal flange assembly and reduce the number of bolts used in a limit working space.

Abstract: An apparatus and a system for housing a device are described. The apparatus includes a housing that is configured such that a device may be fitted within the housing and thereby be protected, such as from shocks and/or liquid. The housing may include top and bottom members that may be removably coupled together so as to form the housing. Each top and bottom member includes a perimeter portion. The perimeter is defined by proximal and distal ends as well as opposing sides. The top and bottom members may include respective clasping mechanisms that extend along the perimeter of the top and bottom members and may be configured for engaging a third clasping mechanism, such as a locking comb or wedge feature. The clasping mechanisms are configured for coupling the top and bottom members with one another thereby sealing the housing, for instance, in a shock-proof and/or water tight seal.

Abstract: An elongate fireseal having two ends joined by a longitudinal axis. The fireseal comprises at least two portions having D-shaped cross section and adjacent portions share a common dividing wall. Each end of the fireseal is configured to interlock with a complementary opposite end of the same or a further fireseal.

Abstract: A system (10) is provided for sealing a gap (12) between a transition exit frame (14) and a vane rail (18) at a turbine inlet (20). The system includes a seal (11) with a compliant seal member having a generally u-shaped profile to provide a sealing function in an axial direction. The compliant seal member includes a U-shaped inner sheet (28) securely pressed within a U-shaped outer sheet (26). The outer and inner sheets include spaced-apart segments (30, 32) in a lateral direction which are spaced-apart by misaligned slots (36, 38) to block passage of air there through. The system may also include wear resistant material (62) interposed between the seal and the vane rail. A lateral gap between adjacent exit frames may include a plurality of ribs defining valleys and tips, with crushable material disposed between the valleys and tips.

Abstract: A sealing member including a body having a recess; one or more backups extending from the body and tapering over a length thereof; and a sealing element disposed in the recess, the element including one or more steps, each step being adjacent one of the one or more backups and on a surface of the sealing element intended to make contact with a target sealing surface.