Abstract: A capsule containing a substance for the preparation of a potable beverage. The capsule comprises an aluminum capsule body having a side wall and an outwardly extending flange and a sealing member at the outwardly extending flange for providing a fluid sealing contact with an enclosing member of a beverage preparation device. The beverage preparation device comprises an annular element having a free contact end which is provided with a plurality of radially extending open grooves. The sealing member comprises a separate crushable element provided on the surface of the outwardly extending flange opposite the cover.

Abstract: A seal for sealing a gap in a combustion apparatus of a gas turbine between a first side and an opposite second side. The seal includes a steel strap with a flat shape and a first metal web with a flat shape attached to the steel strap on the first side and a second metal web attached to the steel strap on the second side. Thereby the seal has a seal thickness with at least the steel strap plus the first metal web plus the thickness of the second metal web, wherein the seal thickness is at most 0.2-times of width of the seal. The new seal has an Omega shape of the second metal web, which is therefore attached on both sides with a flat shaped portion to the steel strap.

Abstract: A steering column assembly includes a jacket assembly. The steering column assembly also includes a steering actuator operatively coupled to the jacket assembly with a connector plate, the connector plate defining an opening having a main portion and a channel extending radially outward from the main portion of the opening.

Abstract: A continuous length of formed metal retaining material can be cut to the partial or full circumference or perimeter of at least one assembly component and disposed in a groove of at least one assembly component to form a retaining ring engaging at least one other assembly component. The retaining ring prohibits lateral and rotational movement.

Abstract: A novel sealing member and a novel wedging element that may be part of a novel seal assembly. The seal assembly may remain effective for more connection/disconnection cycles as compared to the previously known seals. In exemplary embodiments, the wedging element may engage the sealing member or a pair of the sealing members that sandwich the wedging element. When engaged, an inclined surface of the wedging element may radially compress a radially inwardly extending sealing leg of one or both of the sealing members. A fluid pressure opposite the wedging element relative to the corresponding sealing member may radially expand a radially outwardly extending sealing leg of one or both of the sealing members.

Abstract: A filter cartridge with easier extraction provided by a roll-out clearance region for a radial seal is provided. The filter cartridge may be a two stage filter with the seal being located between stages and usable in a filtration vessel having a central separation wall with one or more riser pipes. Also, a new vessel is disclosed with multiple diameters for first and second stages of the housing with a larger second stage diameter as compared to the first stage, which can reduce door size and/or cause fluid flow velocities to be slower at the second stage relative to the first stage.

Abstract: A control valve (3) of a compressed air system of a vehicle has a control piston (22), guided in an axially movable manner in a housing cylinder (25), two pressure chambers (32, 34) separated from one another by the control piston (22), which is sealed by at least one sealing ring (37) arranged on the outer circumference of the control piston (22). The sealing ring (37) is a radial sealing ring having an axial length which substantially corresponds to the axial thickness of the control piston (22). The sealing ring (37) has, on each of the two axial edges thereof, one respective radially obliquely outwardly directed sealing lip (39, 40) which is in contact with the inner wall (38) of the cylinder (25), and that a plurality of guide members (50) distributed over the circumference and formed between the two sealing lips (39, 40) on the sealing ring (37).

Abstract: Low-pressure and high-pressure reciprocating and rotary applications use seal assemblies to prevent leakage. One embodiment of a seal assembly includes a major annular body having opposing spaced-apart annular lips extending from a heel portion. The major annular body has a bore extending through the heel portion. A first spring is disposed between the lips, biasing the lips apart. A minor annular body extends from one of the lips of the major annular body. The minor annular body has opposing spaced-apart walls that extend from a base region and form a pocket. A second spring is disposed in the pocket between the spaced-apart walls, biasing the walls apart. During actuator operation, pressurized fluid urges one wall of the minor annular body against a pump head surface to produce a face seal and one of the lips of the major annular body against a rod surface to produce a radial seal.

Abstract: A sliding seal seals an annular gap between a first member and a second member to separate a high-pressure side and a low-pressure side from each other, the first member being movable relative to the second member. The sliding seal is provided at an annular attaching groove provided at the second member. The sliding seal includes: a pressure fluid seal configured to slidingly contact a sliding surface of the first member; and a lubricant holding piece provided at the high-pressure side of the pressure fluid seal, a lubricant storage space being formed between the lubricant holding piece and the pressure fluid seal.

Abstract: A sliding seal seals an annular gap between a first member and a second member to separate a high-pressure side and a low-pressure side from each other, the first member being movable relative to the second member. The sliding seal is provided at an annular attaching groove provided at the second member. The sliding seal includes: a pressure fluid seal configured to slidingly contact a sliding surface of the first member; and a lubricant holding piece provided at the high-pressure side of the pressure fluid seal, a lubricant storage space being formed between the lubricant holding piece and the pressure fluid seal.

Abstract: A pressure activated seal includes a main wall, side walls connected to the ends of the main wall, and flexible flaps connected to the side walls. The main wall, side walls, and flexible flaps define a main chamber adapted to receive fluid pressure for activating the pressure activated seal to form a seal between opposing adjacent surfaces. The pressure activated seal can be placed between concentric tubes or between adjacent plates, with one of the tubes or plates including one or more orifices leading to the main chamber to allow fluid pressure to activate the pressure activated seal to form a seal between the opposing adjacent surfaces of the tubes or plates.

Abstract: A sealing assembly insertable between a rod and a guiding bush of a shock absorber to form a sealing and guiding unit for the rod is provided. The assembly includes an elastomeric ring having a first and a second annular lip which extend axially and radially overhanging; and a reinforcing ring integrally coupled to the elastomeric ring, radially on the side of the first and of the second sealing lip. The reinforcing ring is integrally coupled in one piece with the elastomeric ring, on the exterior of the elastomeric ring and on the side of a lateral surface thereof facing towards the lips, the reinforcing ring coupling in sliding manner with the rod to serve as guide therefor. The sealing ring coupling by interference with the guiding bush.

Abstract: A seal between an outer part and a circular cylindrical inner part, which is accommodated within the outer part at least in sections, includes a sealing ring having a groove portion and consisting of high-temperature-resistant thermoplastic plastics material. The outer part and the inner part are movable in a linear manner in relation to each other. A circumferential groove, into which the groove portion of the sealing ring is inserted at least in sections, is realized on an inner circumference of the outer part or on an outer circumference of the inner part. The sealing ring is in one part, and the groove is closed.

Abstract: A sealing device with a lip edge portion 2a and a sealing-space-opposite-side conical surface 2b whose diameter increases from the lip edge portion 2a toward a sealing space B opposite side is formed on an inner peripheral surface of a seal lip 2, and a first thread ridge 21 that obliquely extends in a given direction with respect to a circumferential direction, a second thread ridge 22 that obliquely extends in a direction opposite to the direction in which the first thread ridge 21 obliquely extends, and a circumferential ridge 23 that extends in the circumferential direction while intersecting the first thread ridge 21 and the second thread ridge 22 are formed on the sealing-space-opposite-side conical surface 2b.

Abstract: A seal assembly is disclosed. The seal comprises a metal spring bonded to an elastomer body that is coupled to a polymer ring. The spring may comprise a cantilevered, overlapped metal strip. The elastomer and polymer mechanically interlock with radial members. The elastomer has contacting surfaces configured in outward extending radii to enhance forward edge loading and oil removal from the dynamic surface. In hydraulic service, the seal prevents the egress of hydraulic fluid and ingress of foreign particles.

Abstract: A debris wiping device (15) for a piston rod-cylinder assembly (10) includes a wiper ring (16), which surrounds a central opening (19). The wiper ring (16) includes a flexible element (17) that surrounds the central opening (19). A retaining cap (21) includes a tubular segment (22, 23) that transitions at one end into an end wall (24), which has a through opening (25).

Abstract: Seal assemblies for use with fluid valves are described. An example valve trim assembly for use with fluid valves includes a cage and a seal assembly to be positioned in at least one of the cage, a cage retainer or a plug. The seal assembly includes a first seal and a first scraper. The first seal is to provide a load to the first scraper to prevent the ingress of contaminate to a dynamic sealing surface to be engaged by the first seal. Additionally, the seal assembly includes a second seal and a second scraper. The second seal is to provide a load to the second scraper. Further, the seal assembly includes a spacer between the first and second seals.

Abstract: A sealing device for sealing between a tube member and an axial member movably inserted into the tube member includes a dust seal held on an opening end part of the tube member and including an annular dust seal lip held in sliding contact with the outer peripheral surface of the axial member, and a scraper arranged at an inner side of the dust seal and including an annular lip portion slidably pressed into contact with the outer peripheral surface of the axial member. The hardness of the lip portion is set to be higher than that of the dust seal lip.

Abstract: A seal assembly includes a semi-tubular sealing element defining a longitudinal axis, and a retainer configured to retain the sealing element. The sealing element has a longitudinal center portion and first and second longitudinal side portions, an array of resilient arcuate fingers extending from the first longitudinal side portion and curving partially around the longitudinal axis, and a depressor portion extending from the second longitudinal side portion and having a free edge diametrically opposed to the center portion. The retainer defines a channel with an entrance opening, the channel being configured to receive the sealing element in a position in which the depressor portion extends outside of the entrance opening in position to bear a load, the channel being defined by a pair of opposed side walls configured to resiliently capture the sealing element.

Abstract: A bearing assembly includes an inner member having an outer engagement surface and an outer race. The outer race has an inner surface defining a first end and a second end and an inner engagement surface therebetween, the inner engagement surface is positioned on the outer engagement surface of the inner member. A first annular groove is formed in the inner surface, proximate one of the first end and the second end. A second annular groove is formed in the inner surface and is positioned axially inward from the first annular groove. An external seal is positioned in first annular groove and slidably engages the inner member. An internal seal is positioned in the second annular groove and slidingly engages the inner member.

Abstract: A seal assembly for a turbojet nacelle includes a first end fastened to a first structure, and a second end contacting against a bearing zone of a second structure. The seal assembly further includes a plurality of adjacent blades arranged along the first end and extending longitudinally and perpendicularly thereto. In particular, a portion of the blades has an accordion-shaped structure.

Abstract: A propeller shaft seal for sealing a propeller shaft in a stern tube, comprising a bi-direction rotational sealing body being fitted within the stern tube and wrapped around the propeller shaft in its axial direction; wherein the bi-direction rotational sealing body comprising two metallic helical coils stacking together in a way that is mirroring each other; wherein the first and second metallic helical coils being constructed from helically coiled metal tapes of varying widths linked together and coiled into rings and with the rings tightly bounded; and wherein at any one time during operation, a rotational direction of the propeller shaft is same as coiling direction of one of the two metallic helical coils but opposite to that of the other of the two metallic helical coils.

Abstract: Seal assemblies for sealing around a moveable shaft, such as rotary or reciprocating, or static, are described. The seal assemblies prevent the passage of lubricant or fluid from a relatively high pressure area on a first side of the seal to a relatively low pressure area on a second side of the seal. In some embodiments, these seals are energized by energizers, such as circular springs or canted springs, to keep the seal in contact with the moveable shaft. The seals have primary and secondary seals. The secondary seal provides initial moderate sealing against abrasive particles or contaminants to reduce the exposure and wear of the primary seal.

Abstract: An articulated joint includes a first rotational member and a second rotational member coupled with and positioned generally coaxial to the first rotational member. The joint also includes a boot. The boot is selectively deformable in response to an increase in pressure in a joint chamber to increase the volume of the joint chamber. The volume of the joint chamber is selectively changed due to, at least in part, relative movement of the boot end to the second rotational member.

Abstract: The invention provides a sealing device in which adhesion of an elastic member used for the sealing device is controlled, and a coefficient of friction against a member sliding against the sealing device is reduced. A sealing device includes a first member 1, a second member 2 moving relative to the first member, and an elastic member 3 fixed to the first member 1 and sliding against the second member 2, and is characterized in that: the elastic member 3 is made of a rubber composition containing a metal soap, an organic acid amide and an oil-containing particle.

Abstract: A fluid seal assembly including a specialized protective filter unit which is adapted for use with a fluid seal, as well as to the combination of a protective filter unit with an associated seal unit to form a complete seal assembly. The seal provides increased reliability, particularly in those specialized seals wherein high internal pressure and the possibility of particulate contaminants are present.

Abstract: Seal assemblies for sealing around a moveable shaft, such as rotary or reciprocating, or static, are described. The seal assemblies prevent the passage of lubricant or fluid from a relatively high pressure area on a first side of the seal to a relatively low pressure area on a second side of the seal. In some embodiments, these seals are energized by energizers, such as circular springs or canted springs, to keep the seal in contact with the moveable shaft. The seals have primary and secondary seals. The secondary seal provides initial moderate sealing against abrasive particles or contaminants to reduce the exposure and wear of the primary seal.

Abstract: An encoder-equipped sealing device, that is, a sealing device that has an encoder incorporated therein is disclosed, which comprises a combination of seal elements, each of which includes an annular metal core having a substantially L-shaped cross section and including a cylindrical portion and a flange portion provided on one end of the cylindrical portion and extending in a direction perpendicular to a direction in which the cylindrical portion extends.

Abstract: A roller cone bit having an elastomeric seal with a self break-in property is disclosed. The elastomeric seal includes abrasive material on a sliding surface for facilitating break-in. Examples of abrasive materials include ground rock, hard metals, tungsten, tungsten carbide, tantalum, tantalum carbide, titanium carbide, titanium nitride, and minerals, diamonds and nanomaterial enhanced diamond.

Abstract: The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in which the surgical access device is being inserted. In one embodiment, a seal assembly is provided and can include a seal having an opening configured to receive a surgical instrument therethrough and a fluid remover in the form of an absorbent element, a scraper element, a wicking element, or any combination thereof can be associated with the seal and configured to remove fluid from the opening and/or a surgical instrument.

Abstract: The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in which the surgical access device is being inserted. In one embodiment, a seal assembly is provided and can include a seal having an opening configured to receive a surgical instrument therethrough and a fluid remover in the form of an absorbent element, a scraper element, a wicking element, or any combination thereof can be associated with the seal and configured to remove fluid from the opening and/or a surgical instrument.

Abstract: A hydraulic cylinder contamination prevention system for preventing large and small contaminants from entering into a hydraulic cylinder, including a hydraulic cylinder rod cover for underwater use with at least one automatic valve for preventing water circulation between the outside environment and the enclosed environment of the cylinder rod cover when the cylinder is stationary, egress of water from the cylinder rod cover when the cylinder is retracted, and ingress of water into the cylinder rod cover when cylinder is extended, and an external and abrasive cylinder rod scrubber.

Abstract: This invention relates to sealing rings for use in gas turbines and methods of making them. In one embodiment the method consists in forming a sealing ring for a gas turbine including: (a) forming a ring to the in use dimensions less a coating thickness of the ring; and (b) depositing a coating having a thickness between about 0.125 mm and 0.077 mm. wherein the ring requires no further machining after step (b). Additionally or alternatively a shot peened sealing surface may be used.

Abstract: A seal for a regenerative air preheater. The seal is comprised of two members that each have a plurality of tabs and slots. The tabs and slots interlock so that the tabs on one member are positioned adjacent the slots on the other member. The tabs have a narrow neck section and a wider sealing section. The wider sealing sections overlay and the narrow neck sections are positioned within a recessed region of the notch on the opposite member so as to interlock the two members. The seal is mounted either to the rotor or to the inner wall of the housing so as to extend through the bypass gap between the rotor and the inner wall of the housing. As the tabs are flexible, the tabs may resiliently deform as a result of the tabs making contact with the sealing surface of the heat exchanger. The air preheater further comprises a reinforcing section that stabilizes the tabs when the tabs resiliently deform.

Abstract: A vehicle shock absorber is provided that includes a piston rod. A cylinder head having a bore defining an axis supports the rod within the bore. A scraper is arranged proximate to the cylinder head and includes a hole with the rod arranged within the hole. The scraper removes debris from a portion of the rod exterior of the scraper opposite the cylinder head. Preferably, the scraper is axially located and retained relative to the cylinder head by a retainer. A wiper is at least partially disposed in the hole of the scraper and is in engagement with the rod. The wiper removes water from the rod preventing penetration of the water past the wiper.

Abstract: A seal, especially for shafts movable in a translational direction, has at least one static sealing area and at least one dynamic sealing area and another sealing point outside of the dynamic sealing area. The other sealing point is formed by at least two elements functionally connected to each other, one of which at least one is stationary and at least one other is movable, following a shaft stroke.

Abstract: A seal assembly is adapted for use in a valve having a trim cage with an inner surface extending along an axis and a plug sized to fit inside the trim cage inner surface, wherein the plug is adapted to move along the axis. The seal assembly includes a spring-loaded seal ring disposed between the plug and the trim cage inner surface, the seal ring including a center spring member and a jacket formed of a fluoropolymer resin to tightly seal between the plug and the trim cage inner surface. A first wiper ring is disposed between the plug and the trim cage inner surface and positioned axially upstream of the seal ring, and a second wiper ring is disposed between the plug and the trim cage inner surface and positioned axially downstream of the seal ring. Each of the first and second wiper rings has an outside surface sized to engage the trim cage inner surface and is formed of a material sufficiently rigid to scrape foreign material from the bore surface yet sufficiently soft to minimize damage to the bore.

Abstract: A wiper seal for a hydraulic component is provided. The wiper seal includes a support member and a body portion. The support member includes a first leg having an inner surface, a first end, and a second end. The first leg extends substantially parallel to a reference axis. A second leg having an outer surface extends substantially perpendicular to the reference axis from the first end of the first leg. The body portion defines an opening therethrough and includes an outer peripheral surface configured to receive the inner surface of the first leg of the support member, a first radial face extending substantially coplanar to the outer surface of the second leg, an inner surface disposed at an angle relative to the reference axis and extending to a lip adjacent the first radial face, and a second radial face extending generally perpendicular to the reference axis from the second end of the first leg of the support member.

Abstract: A seal for a poppet valve of an integrated pressure management apparatus, a valve system using the poppet valve seal, and a method of cleaning debris off of a poppet valve. The poppet valve is movable between an open position permitting fluid flow through an aperture in a housing and a closed position preventing fluid flow through the aperture. The seal includes an annular body having a first sealing surface fixed to the housing and a second sealing surface confronting the poppet valve. An annular lip projects obliquely from the seal is resiliently deformed by the poppet valve at the closed position, thereby cleaning debris off the sealing surface of the poppet valve.

Abstract: A wiper for machine tools includes an attachment portion 3 to be attached to a machine tool, wherein the machine tool is moved relative to a sliding surface 14, and a wiper body 10 made of an elastic material integrated with the attachment portion 3, wherein a lip portion 11 of the wiper body 10 can be slid on the sliding surface 14, and a fabric material 5 is provided on at least a sliding surface side of the lip portion 1 of the wiper body 10. The lip portion 11 has a low level of abrasion resistance, and a low level of abrasion loss is small. No damages are caused due to collision or impact with chips and a sliding surface does not suffer from damages or the like.

Abstract: A wiper seal for a hydraulic component is provided. The wiper seal includes a support member with a first leg that has an inner surface, a first end, and a second end and that extends substantially parallel to a reference axis. The support member further includes a second leg that has an outer surface extending substantially perpendicular to the reference axis from the first end of the first leg. The wiper seal also includes a body portion that defines an opening therethrough and includes an outer peripheral surface configured to receive the inner surface of the first leg of the support member. A first radial face extends substantially coplanar with the outer surface of the second leg and a second radial face extends generally perpendicular to the reference axis from the second end of the first leg of the support member. The second radial face includes a cutout defining a first cavity. An inner surface defines a first sealing lip adjacent the first radial face.

Abstract: A wiper seal for a hydraulic component is provided. The wiper seal includes a support member with a first leg that has an inner surface, a first end, and a second end and that extends substantially parallel to a reference axis. The support member farther includes a second leg that has an outer surface extending substantially perpendicular to the reference axis from the first end of the first leg. The wiper seal also includes a body portion that defines an opening therethrough and includes an outer peripheral surface configured to receive the inner surface of the first leg of the support member. A first radial face extends substantially coplanar with the outer surface of the second leg and a second radial face extends generally perpendicular to the reference axis from the second end of the first leg of the support member. The second radial face includes a cutout defining a first cavity. An inner surface defines a first sealing lip adjacent the first radial face.

Abstract: A scraper device (10) for a reciprocating compressor piston rod (11) comprises at least one scraper ring (12, 12′), provided with at least one lip (27, 28) which faces the surface of the said rod (11), and a box (13) to contain the scraper ring (12) and for centring on the rod (11), wherein this scraper ring (12) is produced by means of mechanical processing of deformable plastics materials and wherein this container box (13) is accommodated in support elements (14) with radial play (34).

Abstract: A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A valve packing comprises a vertically stacked array comprising alternating metal pressure rings and graphite seals.

Abstract: A bypass seal for a rotary regenerative air preheater includes primary and secondary seal leaves that are joined at a single position longitudinally intermediate their first and second sends. The first end portion of the primary seal leaf extends longitudinally beyond the first end of the secondary seal leaf and the second end portion of the secondary seal leaf extends longitudinally beyond the second end of the primary seal leaf. When installed in the air preheater, the first end portion of the primary seal leaf of each bypass seal in one of the seal rings overlaps the second end portion of the secondary seal leaf of an adjacent bypass seal in the seal ring.

Abstract: A sealed bearing for a drill bit including cutting cones and having metal sealing surfaces between the seal cup base and the rotating cone combined with a compressible neoprene or like material having an inner seal lip to seal in the prepacked bearing cavity and an outer seal lip nestled in a recess in the bearing skirt to protect it to keep out foreign matter.

Abstract: A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A valve packing comprises a vertically stacked array comprising alternating metal pressure rings and graphite seals.

Abstract: A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A valve packing comprises a vertically stacked array comprising alternating metal pressure rings and graphite seals.

Abstract: A method of forming a metal-to-metal seal in high pressure applications with low contact stress. Firstly, providing a first elongate pressure containment member having a surface of revolution. Secondly, providing a second elongate pressure containment member having an exterior surface, an interior surface, a remote end, and a thin walled extension sleeve having a first end and a second end. The first end of the thin walled extension sleeve is conjoined with the second elongate pressure member at the remote end. The second elongate pressure containment member is of a greater thickness than the sleeve. Thirdly, coupling the first elongate pressure containment member and the second elongate pressure containment member with the sleeve positioned in close relation to the surface of revolution.

Abstract: The invention relates to a scraper arrangement for attachment to at least one of at least two machine parts which are movable relative to one other, particularly for protection of guideways in machine tools. In this case a scraper strip made from elastically deformable material is replaceably retained on a rigid carrier strip which for its part is releasably connected to a machine part. With a view to a reliable attachment and quick replacement of carrier strip and scraper strip, at least one approximately strip-shaped intermediate carrier can be firmly attached to one machine part and with the aid of at least one C-shaped clamp can be replaceably fixed on a front end edge region of the machine part.