A core assembly for a turbine engine blade includes a generally radially extending trunk interconnected to multiple generally axially extending tabs. The tabs are interconnected by a generally radially extending ligament. Multiple generally axially extending protrusions are interconnected to the ligament opposite the trunk. A mold is configured to define an exterior surface of an airfoil. The core is arranged within the mold and is configured such that the tabs and the ligament break through at the exterior surface.

Provided are a polycrystalline silicon ingot casting mold and a method for producing a polycrystalline silicon ingot casting mold, with which high-quality silicon ingots can be obtained at high yields by minimizing sticking with the surfaces of the silicon ingot casting mold, and losses and damages that occur when solidified silicon ingot is released from the mold. The method for producing a polycrystalline silicon ingot casting mold having a release layer, including: forming a slurry by mixing a silicon nitride powder with water, coating the surface of the mold with the slurry, and heating the mold at 400 to 800° C. in an atmosphere containing oxygen, after coating the slurry.

An early-stripping formwork system for concreting of constructions comprising beams, slab and columns comprises several rectangular standard formworks (1), props with multiple early-stripping support mechanisms (2), several filler beams (3) and filler panels. The standard formwork (1) consists of a panel (11) and a formwork frame (12), and the formwork frame (12) is provided with L-shaped corners (121) at its four corners. Each of the early-stripping prop (2) consists of an upper support inner tube (21) and a lower support tube (22) which form a telescopic connection, a rectangular head plate (23) is disposed at the top end of the upper support inner tube (21), one corner of the head plate (23) fits an internal corner of any one of the L-shaped corners (121) on the formwork frame (12). A load-releasing mechanism (24) is connected between the upper support inner tube (21) and the lower support outer tube (22). An early stripping mechanism (25) for early stripping of the standard formwork (1) is disposed on the upper support inner tube (21), short posts (251) for supporting the formwork frame (12) are disposed at four corners of the early stripping mechanism (25), and a structure for preventing the formwork frame (12) from slipping outwards is formed between the short post (251) and the L-shaped corner (121). The formwork frame (12), the filler panel, the filler beam (3), and a bridge beam (4) may be all in a detachable combined structure. In the formwork system, transport and storage of the formwork are convenient, and manufacturing cost is reduced.

A polycrystalline silicon ingot casting mold, and method for producing same. Mold release material being obtained by blending a silicon nitride powder (A) having an average particle diameter along the short axis of 0.6 to 13 μm with a silicon nitride powder (B) having an average particle diameter along the short axis of 0.1 to 0.3 μm at a weight ratio of 5:5 to 9:1; coating the mold surface with the slurry; and a heating the mold at 800 to 1200° C. in an atmosphere containing oxygen.

A vibrating machine for producing a molded body by compacting a granular raw mixture includes an oscillatable vibrating table configured to receive a molding box. A clamping device is produced by at least two clamping closures, each including: a pivot bracket having a lower end being pivotally mounted on the vibrating table and an upper end including a cranking which is directed outward; a double-acting hydraulic pivot cylinder pivotally mounted on the vibrating table; a two-armed rocker arm pivotally connected to the pivot bracket and including an inner part that cooperates with the molding box and an outer part that cooperates with the hydraulic pivot cylinder; and a compression spring disposed between the cranking and the outer part of the rocker arm such that the rocker arm releases from a position closing the respective clamping closure upon a pressure in the hydraulic pivot cylinder being relieved.

A firearm is provided that includes a receiver, a stock, an elongated barrel and a muzzle. The barrel extends from the receiver to the muzzle and has a rectangular internal bore extending from the receiver to the muzzle. The internal bore has two short sides and two long sides. A plurality of teeth extends along one of the short sides within the internal bore. A disk-shaped bullet fitting within the internal bore may be fired from the firearm. A bullet case having a rectangular orifice is provided to chamber the disk-shaped bullet for propulsion through the rectangular internal bore of the firearm.

A firearm is provided that includes a receiver, a stock, an elongated barrel and a muzzle. The barrel extends from the receiver to the muzzle and has a rectangular internal bore extending from the receiver to the muzzle. The internal bore has two short sides and two long sides. A plurality of teeth extends along one of the short sides within the internal bore. A disk-shaped bullet fitting within the internal bore may be fired from the firearm. A bullet case having a rectangular orifice is provided to chamber the disk-shaped bullet for propulsion through the rectangular internal bore of the firearm.

A toy projectile launcher assembly has the form of a crossbow. The crossbow only launches the safety projectiles that are provided. The launcher body has a handle at a first end and diverging support arms at an opposite second end. An adjustment mechanism is contained within the launcher body for selectively adjusting the length of the launcher body. The crossbow has diverging support arms. Bow arms are attached to the support arms. The bow arms pivot from retracted positions to extended positions when a projectile is loaded into the toy crossbow. The toy crossbow has elastic loops that can only engage specialized safety projectiles with side. Furthermore, the trigger mechanism can only engage the safety projectiles provided with the toy. Projectiles without a specific tab and keyhole cannot be loaded into the toy crossbow.

An archery bowstring release has a single jaw for retaining a bowstring within a bowstring hook, in contrast to dual-jaw pincer-type releases. The bowstring hook is situated on a release head which bears a trigger for actuating the jaw and releasing the bowstring, and a release body extends between the release head and a release mount (which can connect the bowstring release to a wrist strap, glove, or other anchor affixed to the user's body). The release head and body are pivotally joined, and when the release is ready to fire, the central axis of the release body, and at least the rear of the release head, have central longitudinal axes which are aligned with the notch in the bowstring hook, and are thus aligned with the bowstring, and are parallel to or in line with the arrow. The release therefore has a comfortable, natural, and intuitive feel during operation.

A crossbow 100 includes a rifle-style stock 22, barrel 23, bowstring 1, and a string release housing 21 with a novel string release assembly. The string release assembly in string release housing 21 includes a string latch 12 for retaining fully-drawn and cocked bowstring 1 against a string horn 19, a trigger 6 for releasing or shooting the arrow 2, a safety button 25 for the movement of the safety plate 7 from the safe position to the fire position, and a load lever 4 for loading the arrow 2. There is a safety button 25 on each side of the release housing 21 so that the safety of crossbow 100 may be operated by a right-handed or left-handed shooter. Bowstring 1 rests against the inclined surface 29 of the string horn 19 and is retained in the fully-drawn and cocked position between the string latch tangs 30 and 31 and the inclined surface 29 of the string horn 19. The load of the fully-drawn bowstring 1 is distributed between and born by the inclined the string latch tangs 30 and 31 and the inclined surface 29 of string horn 19.

A bowstring release having a removable safety pin that when engaged, allows for training. The safety pin physically preventing the release mechanism from fully releasing, while allowing enough movement to provide a tactile response that the release has been activated.

A universal wrist strap, for connection to a plurality of different bowstring release mechanisms via a plurality of different connecting members, includes a flexible base member adapted to fit around the wrist of a user and a mounting assembly connected to the wrist strap. The flexible base member has first and second arms that converge towards an apex area. The mounting assembly is connected to the apex area and is adapted to receive and retain the plurality of different connecting members.

A method of and apparatus for positioning and supporting any of several different elongated workpieces of circular, substantially square, or substantially non-square rectangular cross-sectional configuration so that a central workpiece axis is located along the same axis for any one of said workpieces includes a tailstock fixture for supporting one end of the workpiece which includes a frustoconical cavity that extends coaxial with the axis for receiving the one end of the workpiece, and a headstock fixture for supporting a second end of the workpiece opposite the first end which includes a generally cylindrical cavity extending coaxial with the axis and four equiangularly spaced workpiece engaging blades within the cylindrical cavity for engaging and supporting the second workpiece end.

A machine for carving workpieces having substantially similar configurations generally including a base member, means disposed on the base member for retaining at least one workpiece thereon, means for rotationally indexing the workpiece disposed on the retaining means, about an axis, a working tool operatively engageable with a workpiece disposed between the retaining means, supported on the base member and displaceable along x, y and z axes pursuant to a programmed sequence of motions coordinated with the workpiece indexing means for shaping the workpiece in a selected configuration, and at least one means for successively positioning a plurality of similarly configured workpieces in a selected orientation including a support member, a jointed linkage supported on the base member, supporting the support member and manipulatable to position the support member into a support relationship with an initial one of the workpieces disposed in the selected orientation and held by the retaining means, means for fixing the interrelationship of the components of the linkage when the support member is positioned in the support relationship with the initial workpiece to place the positioning means in an operative condition and means for displacing the positioning means when in the operative condition between an operative position for supporting a sequential one of the workpieces in the selected orientation and an inoperative position.

A retaining cap for a plasma torch is provided that includes fast securing threads. The retaining cap includes internal threads that couple to external threads of a torch body of the plasma torch. The internal and external threads may be multiple start threads having a thread angle greater than 60°. Plasma torches and plasma cutting systems are also provided.

To form stabilized organic light-emitting medium layers using the relief printing method and to provide an organic EL element excellent in terms of pattern-forming accuracy, film thickness uniformity and light-emitting characteristics, a substrate 2, first electrode layers 3 provided on the substrate 2, organic light-emitting medium layers 5 which are provided on the first electrode layers 3 and emit light when electrically connected, and second electrodes 6 which are provided on the organic light-emitting medium layers 5 and make the organic light-emitting medium layers 5 electrically connected when voltage is applied between the first electrodes 3 and the second electrodes are provided. In addition, at least one of the organic light-emitting medium layers 5 is formed of a mixture containing a polymer material having a weight-average molecular weight in a range of 1.5 million to 25 million and at least one low molecular material having a non-repetitive structure. Also, the mixing ratio between the polymer material and the low molecular material is set in a range of 0.05:1 to 0.5:1 in terms of weight ratio.

A spark plug includes a center electrode, a ceramic insulator provided with an axial hole, a metal shell, and a ground electrode having a facing surface that faces a leading end surface of the center electrode. An annular space is formed between an outer peripheral surface of the center electrode and an inner peripheral surface of the axial hole and is opened toward a leading end side, and when C (mm) is a distance between the outer peripheral surface of the center electrode and the inner peripheral surface of the axial hole in the opening of the annular space, C≧0.2 mm is satisfied. In a cross-section which includes the axial line and is orthogonal to the center axis of the ground electrode, a contour line of lateral surfaces of the ground electrode has a curved shape convexed outward.

A sealer gun that discharges a liquid of a coating agent or filler from a nozzle on its tip is securely prevented from producing dripping that arises as a liquid drips from the nozzle tip and remains when the liquid discharge stops. A pump including a cylinder and a freely movable piston fitting therein is assembled onto a discharge cylinder of the sealer gun, an operation rod interlocked with the pump piston and a grip are interlocked via an interlock mechanism to perform pump operation of suction-discharge by movement of the piston caused by pivoting of the grip, and a suction-discharge aperture of the pump is positioned in an internal space of the nozzle, and configured so that when the liquid discharge sops by releasing the grip, a negative or positive pressure is introduced into the nozzle because of the pump operation caused by resilient pivoting of the grip.

Aspects of the invention provide a transport system powered by short block Linear Synchronous Motors (LSMs). The use of short blocks allows vehicles to move under precise control even when they are in close proximity to each other. The design allows the vehicles to be propelled and guided while negotiating sharp turns and negotiating merge and diverge switches. A coreless LSM can be used to create propulsive force without attractive force so as to allow a relatively high drag vehicle suspension, such as a vehicle sliding on a smooth surface. Further aspects of the invention provide a switching member that is selectively moveable relative to a guideway in order to change a magnetic force acting on the vehicle transverse to a direction of motion of the vehicle.

A transverse adjustment mechanism for a bilateral half-spring type load-carrying head is installed in the casing of the load-carrying head of the lifting unit of a pit type unwheeling machine, fixedly connected with the casing, directly connected to an adjustment unit at the end of the load-carrying head, and installed on a lead screw of the adjustment unit. The transverse adjustment mechanism includes an adjusting nut, an adjusting nut guide, a guiding tube, and a guiding sleeve, a nut mounting plate, a flange plate, a compression spring and a sliding shaft. The invention is currently applied to the transverse adjustment of the no-loading heads and transverse fine adjustment of the load-carrying heads of a China Railway High-speed (CRH) train. The structure is reliable and practical, safe, convenient and energy-saving to use and satisfies the demand for the synchronous lifting operation of the entire CRH train of the compatible pit type unwheeling machine.

The invention provides in some aspects a transport system comprising a guideway with a plurality of propulsion coils disposed along a region in which one or more vehicles are to be propelled. One or more vehicles are disposed on the guideway, each including a magnetic flux source. The guideway has one or more running surfaces that support the vehicles and along which they roll or slide. Each vehicle can have a septum portion of narrowed cross-section that is coupled to one or more body portions of the vehicle. The guideway includes a diverge region that has a flipper and an extension of the running surface at a vertex of the diverge. The flipper initiates switching of vehicle direction at a diverge by exerting a laterally directed force thereon.

A rotary spray head assembly includes a motor having an output shaft and a housing through which the output shaft at least partially extends. The housing includes an inlet communicable with a source of fluid. The rotary spray head assembly also includes an annular skirt extending from the housing, a passageway through the skirt having a first end in fluid communication with the inlet and a second end, and a hub coupled for co-rotation with the output shaft. The hub includes an annular groove into which the annular skirt at least partially extends, a circumferential interior surface at least partially defining the groove, and an aperture through the circumferential interior surface. Fluid introduced into the annular groove through the second end of the passageway is discharged outwardly through the aperture.

An aroma-diffusing heating device includes a heating base, an aroma capsule detachably accommodated in the heating base and heatable by the heating base to give off fragrance, and a cap capped on the heating base over the aroma capsule. The aroma capsule includes a heat-transfer container defining a top opening, an aromatic substance held in the heat-transfer container, and a sealing film bonded to the heat-transfer container to seal the aromatic substance in the heat-transfer container.

Proposed is a device for coating substrates by means of high-velocity flame spraying. The device comprises a combustion chamber (4), a first fuel feeder (L1) for feeding a liquid or gaseous fuel as well as at least one gas feeder for feeding an oxidative gas. The devise comprises furthermore a second fuel feeder (L5) for feeding a liquid or gaseous fuel as well as at least one further gas feeder for feeding a gas. Both the first gas feeder and the two fuel feeders (L1, L5) port into a common combustion chamber (4). In addition, means 24, 28 are provided for independent control of the fuel feed into the two fuel feeders (L1, L5).

In order to improve a high-pressure cleaning apparatus comprising a pump unit adapted to be driven by motor, a first connection element for detachable connection to a liquid supply conduit, said first connection element being connected to the suction side of the pump unit, and a second connection element for detachable connection to a high-pressure conduit, said second connection element being connected to the pressure side of the pump unit, such that it can be handled in a more user-friendly manner, the invention proposes that the first connection element and/or the second connection element be oriented in a direction facing upward away from a supporting surface for the high-pressure cleaning apparatus.

A method and system of feeding fuel into a gasifier are provided. The feed injector system includes a first injector port assembly including a plurality of annular channels substantially concentric about a longitudinal axis that define corresponding fluid flow paths that direct a flow of fluid substantially axially therethrough from a respective source to a reaction zone and a second injector port assembly including a flow port surrounded by a plurality of auxiliary ports spaced about a circumference of the flow port, the plurality of auxiliary ports communicatively coupled to a toroidal passage configured to receive a flow of fluid and channel the flow of fluid to the auxiliary ports such that the flow of fluid is discharged from the auxiliary ports having an axial flow component, a radially inward flow component, and a circumferential flow component.

A material spreader assembly for the broadcast spreading of particulate material from the trailer hitch of a vehicle. A hopper for storing the particulate material is supported by a frame having a trailer hitch coupler for connection to the vehicle. A spreader including a spinner driven by an electric motor receives and disperses the particulate material. A control circuit receives electric current from the vehicle via a plug interface and a wiring harness and controls the operation of the spreader. A remote communicates user commands to the control circuit. The control circuit includes a motor control processor that controls a motor power relay and a motor driver to gradually ramp up the current supplied to the spreader for start up the spreader while preventing a high transient current draw spike. Component feedback sensors enable the motor control processor to provide an emergency shut off feature and warning signals.

A turbofan engine (10) employs a flow control device (41) that changes an effective exit nozzle area (40) associated with a bypass flow path (B) of the turbofan engine. A spool (14) couples a fan (20) to a generator (52). The turbofan emergency power system includes a controller (50) that communicates with the flow control device (41). Upon sensing an emergency condition, the controller manipulates the flow control device to reduce the effective nozzle exit area (40) of the bypass flow path, which chokes the flow through the bypass flow path thereby increasing the rotational speed of the fan. In this manner, the generator is driven at a higher rotational speed than if the flow through the bypass flow path was not choked, which enables a smaller generator to be utilized.

A cover for the gap in an automobile automatic gear shift assembly is presented. The gap cover is formed from a single molded housing with inward pointing fibrillations. These fibrillations act as fingers to cover the hole created when the multi position mechanism is moved from one position to another. The fibrillations are assisted back to their original position through (1) physical properties of the advanced polymeric substance used to mold the housing and (2) through the interactions of assisting tabs formed on the back side of the fibrillations, which act as springs.

Provided is a window glass sheet fitted with a seal member and incorporated with a device such as a deicer which facilitates the device and the seal member to be installed in a proper manner. The automotive window glass sheet comprises a laminated glass sheet including a first glass sheet and a second glass sheet placed on an outboard side of the first glass sheet, and a seal member fitted on a peripheral part of the laminated glass sheet. The automotive window glass sheet further comprises a cutout formed on an edge of the first glass sheet, an electrode provided on a part of the inboard side of the second glass sheet corresponding to the cutout, a lead wire connected to the electrode and a spacer extending along an edge of the second glass sheet on the inboard side of the second glass sheet in a part thereof corresponding to the cutout and defining a flat and smooth inboard surface, wherein the inboard surface of the spacer is flush with a plane extrapolated from an inboard side of the first glass sheet, and the seal member is attached to a peripheral part of the inboard side of the first glass sheet and is attached to the inboard surface of the spacer in the cutout.

A seal assembly for sealing a pressure plate against an opening in a blowout preventer body has a seal groove formed in the pressure plate and a seal in the seal groove. The seal groove has a first groove portion adjacent to a sealing face of the blowout preventer, and a second groove portion extending past the sealing face into the opening of the blowout preventer body. The seal has a first seal portion in the first groove portion and a second seal portion in the second groove portion.

A valve includes a stem seal assembly that prevent fluid flow in a first direction and vents in a second direction opposite the first direction. The assembly includes a packing assembly positioned within a valve stem opening of a valve body of the valve to seal a valve stem to the valve body. The packing assembly includes a first seal and a second seal preventing passage of fluid from a body cavity of the valve body to an exterior of the valve body along the valve stem while venting fluid from an exterior of the valve body to the body cavity along the valve stem. The packing assembly isolates the first seal and the second seal so that a load applied to the first seal ring is not transferred to the second seal ring.

An apparatus includes a rotatable shaft having a shaft surface and a first seal disposed in a sealing engagement with the shaft surface. At least a second seal is disposed in a first position relative to the rotatable shaft where the second seal is not in sealing engagement with the shaft surface and is movable to a second position relative to the rotatable shaft where the second seal is in sealing engagement with the shaft surface.

The present invention refers to a seal ring for a mechanical seal, comprising: a base body (2) with a diamond layer (3) which is applied to the base body (2) and configured as a sliding surface, wherein the diamond layer (3) has a thickness (D) which is less than or equal to 4 μm, particularly less than or equal to 3 μm, particularly less than or equal to 2 μm, particularly preferably about 1 μm, and wherein the base body (2) is without fissures or only comprises fissures that have a maximum longitudinal extension (L) on a surface of the base body (2) or in the base body (2) that is less than or equal to 5 μm.

A leaf seal has a pair of annular packs of stacked leaves. Each pack is mountable to one of the components with its leaves extending towards the other component such that the leaf edges of at least one of the packs are presented for wiping contact with the other component. The packs are axially spaced from each other by a controlled axial clearance. Within each pack the leaves are stacked face-to-face such that neighboring leaves are separated from each other by interleaf gaps which allow an axial leakage flow through the seal. Further, within each pack the packs are positioned such that, when viewed in the axial direction, the leaves of each pack of the pair substantially obscure the interleaf gaps of the other pack of the pair. The controlled axial clearance is the dominant flow restriction in the seal determining the amount of leakage flow through the seal.

Slide ring seals have the problem that they generate noise under certain conditions of use. In order to suppress this noise in an effective way, the slide ring seal has at least one damping part that comprises at least one shaped sheet metal part. It is provided with at least one elastically deformable spring part that is supported under pretension. Between the damping part and the support area microfriction is generated that leads to an effective noise damping action. The slide ring seal is advantageously used in the automotive field.

Apparatus and methods for temporarily sealing a pipe including apparatus and methods for creating a temporary airtight seal at the open end of a pipe in a plumbing or refrigeration system. One such apparatus includes a body, grommet, washer, and a nut. Multiple airtight seals are created including a first primary seal between an exterior of the pipe and the grommet and a secondary seal between the open end of the pipe and the washer. The grommet does not require teeth and the apparatus does not require adhesive, sealant, or any other type of similar materials. Use of the apparatus and methods greatly minimizes and/or eliminates the potential for marring or otherwise distorting the open end of the pipe, thereby facilitating reuse of same.

A rolling bearing which can be large-sized, has corrosion resistance, and is allowed to prevent mounting accuracy from deteriorating, a fixing force from decreasing, vibration from occurring at a portion of the rolling bearing to be fixed to a bearing box or the like, and can be used for a long term even in a highly corrosive environment. A rolling bearing (1) has an inner ring (2), an outer ring (3), and rolling elements (4) as bearing members thereof. Of regions of the bearing members which are exposed to a corrosive environment, a film having a sacrificial anode action for a base material of the bearing members is formed in a region including at least a surface (c, d) of the rolling bearing (1) to be fixed. The film formed on the surface (c, d) thereof to be fixed is porous.

There is provided a stator seal structure in a uniaxial eccentric screw pump by which the abrasion resistance of sealing mechanisms is improved and the pumped fluid can be prevented from stagnating in the sealing mechanisms. The stator seal structure is provided with a pair of sealing mechanisms for sealing between a housing and an intake side end portion, and between the housing and a discharge side end portion of the stator. The pair of sealing mechanisms is provided with ring-shaped secured rings respectively secured to the housing. The secured rings are respectively attached with elastic bodies for ensuring contact pressures between the sliding seal surface of the stator and the sliding seal surface of the secured rings with the elastic forces of the elastic bodies and for sealing between the secured rings and the housing.

In sealing rings for a labyrinth seal that are arranged on a rotationally symmetrical component and in frictional contact with a stationary run-in layer, a part of the sealing ring (8) that contacts the run-in layer is in the form of a wear protection ring segment (15) that is built up on a truncated sealing ring (14) and which includes a metal matrix (16) with wear protection particles (13) embedded therein. The manufacture of the wear protection ring segment is carried out by laser build-up welding, wherein the proportion of wear protection particles contained in the metal powder flow supplied to the laser beam can be controlled and increased in an edge or tip region of the sealing ring.

A packing seal for a reciprocating pump of the type typically used in connection with oil and gas drilling operations is described. Generally, the seal includes a rigid L shaped cartridge that carries an outer wiper and an O-ring on an exterior wall and a recessed seal body on an interior wall. The recessed seal body is of dual durometer, and its lower portion is constantly urged against the cylinder wall in self-sealing fashion. The seals, cartridge and wiper may be formed from rigid and/or non-rigid materials having low coefficients of friction and physical properties comprising low abrasion and wear resistance. The seal provides an improved self-lubricated unitary seal that is convenient to replace in the field regardless of the torque delivered to the gland nut of a packing box, which contains the seal.

A spherical annular seal member 40 includes: a spherical annular base member 38 which is defined by a cylindrical inner surface 34 defining a through hole 33 in a central portion, a partially convex spherical surface 35, and annular end faces 36 and 37 on large- and small-diameter sides of the partially convex spherical surface 35; and an outer layer 39 formed integrally on the partially convex spherical surface 35 of the spherical annular base member 38.

A seal assembly for a nozzle in a gas turbine engine includes a connector having a first hinge portion for attaching to the nozzle, a flat portion for sealing against a wall of the engine; and a first hinge for attaching the connector to the flat portion wherein the connector is adapted to rotate relative to the nozzle and the flat portion is adapted to rotate relative to the connector.

An air seal for a server rack installed in a data center which delivers cool air to the fronts of racks and removes warm air at the back, where one or more of the racks are elevated by wheels or legs. A seal support member of rigid plastic and of right angle cross section has a horizontal portion and a vertical portion. The horizontal portion is adhesively secured to a downwardly facing surface at the bottom front and/or back of the rack. The horizontal portion is recessed at opposite ends to accommodate wheels or legs at opposite sides of the rack. The vertical portion extends across the full width of the rack and projects downward. A sealing strip of EPDM foam is adhesively secured to the vertical portion and is held flexed against the floor, forming a seal against the flow of by-pass air underneath the rack.

A seal including a tubular carrier body (1) and two annular sealing elements (2, 3), wherein the carrier body (1) on both sides of its front face is respectively enclosed by one of the sealing elements (2, 3) on the side of its outer perimeter forming a seal. At least one of the sealing elements (2, 3) is made of a non-elastomeric high-temperature resistant sealing material.

An annular seal positionable in a gap is disclosed herein. The annular seal includes a plurality of leaves positioned about a center axis. Each leaf extends to a distal end that is elastically deflectable relative to the center axis to accommodate changes in a size of the gap. The annular seal also includes a ring encircling the center axis and at least partially interconnecting the plurality of leaves together for concurrent installation and removal. The annular seal also includes a plurality of tabs projecting from the ring along the center axis. Each of the tabs is directly connected to at least one of the plurality of leaves such that elastic deformation of one of the plurality of leaves induces bending in the corresponding tab before inducing bending in the ring.

An apparatus, system and method for sealing an electrical submersible pump assembly are described. An electric submersible pump (ESP) system for pumping solid-laden fluid comprises a thrust chamber of an ESP seal section, the thrust chamber sealed from well fluid on a downstream side by a stationary sand barrier and on an upstream side by a mechanical seal, the thrust chamber further comprising, a rotatable shaft extending axially through the thrust chamber, a head tubularly encasing the thrust chamber and threadedly coupled to a centrifugal pump intake, and a diamond-coated hydrodynamic bearing set inside the thrust chamber, wherein well fluid enters and exits the chamber through cross-drilled apertures in the head of the chamber, and wherein the well fluid forms a hydrodynamic film between the bearing set.

A seal assembly includes a first component and a second component of a gas turbine engine. The first component has a threaded portion. The second component interfaces with the threaded portion and together the threaded portion and the second component form a seal that restricts fluid flow between a first cavity and a second cavity of the gas turbine engine.

A side seal for a linear guide apparatus including a guide rail, a slider, and a plurality of rolling elements includes seal members formed of different materials, a holder plate and covers. Both seal members have recesses formed in a first face of a base and fitted with a protrusion of the holder plate. Both seal members have respective lips directed in opposite directions separated from each other. A tip of the lip of the first seal member is formed to have a shape in plane contact with the face of the guide rail. A tip of the lip of the second seal member is formed to have a shape in line contact with the face of the guide rail.

A rolling bearing used in a power transmission device for transmitting power such as turning force, characterized in that a magnet for holding in a lubrication portion of the rolling bearing a lubricating magnetic fluid for lubricating the lubrication portion is provided on at least one side of an outer race of the rolling bearing, and an annular yoke made of a magnetic material loosely fitted to a rotating shaft is provided on the opposite side of said magnet relative to said outer race, and a cross-sectional profile of the yoke has an I-shape.