Abstract: In order to improve a sealing structure of a joint for three members, in which the three members butt against each other and a joint portion has a T-shape, in the sealing structure of a joint for three members, in which the three members, i.e. a first, a second and a third member, butt against each other and a joint portion has a T-shape, at least one plate-shaped gasket, in which rubber layers are formed on two surfaces of a metal plate, is disposed between surfaces to be jointed where the second and the third member are butted against the first member. An opening is formed in the plate-shaped gasket at a portion, which is opposite to a T-shaped portion, and filled with paste-like liquid gasket sealing the T-shaped portion.

Abstract: The present invention resides in a boot seal for use in sealing a joint. The joint comprises first and second relatively movable parts. The boot seal is configured in the form of a sleeve to extend between and around the vehicle relatively movable parts. The sleeve has a laminate wall which comprises at least two layers of thermoplastic elastomeric material which are bonded together. At least one of the layers is a stretch-toughenable polyester thermoplastic elastomer which has been diametrically stretched in an amount effective to increase the toughness of said one layer. The laminate wall has a percent elongation to rupture of at least 100, and a flexural modulus which is less than 100,000 psi. The laminate wall preferably has a puncture resistance of at least 50 Newtons/mm wall thickness.

Abstract: A seal arrangement for a rotary machine, such as a turbine, includes a main seal segment such as a labyrinth seal segment, a brush seal segment disposed in a slot in the main seal segment and having a layer of bristles secured between upstream and downstream plates of the brush seal segment, and at least one passage radially formed through the main seal segment to communicate a balancing pressure from a pressure source located exteriorly of an outer periphery of the main seal segment to a cavity defined in the downstream plate of the brush seal segment at a downstream side of the layer of bristles of the brush seal segment.

Abstract: The present invention provides an improved seal cage which is useful, for example, for injectable sealing compound systems. In preferred embodiments the dimensions of the seal cage can be adjusted for use of the seal cage with shafts of different diameters and stuffing boxes of varying depths.

Abstract: A seal for preventing the flow of fluid under high pressure, between a carrier and a mating element adapted to engage the carrier is provided by a resilient elastomeric sealing element which is disposed in an arcuate groove in the carrier and deformed when the carrier is joined to the mating element. The sealing element has a base with oppositely extending wings and a head with a convex surface that is engaged by the mating element for deflecting the head within the groove.

Abstract: The sealing arrangement for a bearing bushing includes a reinforced seal (2) which is arranged in force-fitting manner against the inner wall (4) of the bearing bushing (1). The reinforcement (3) of the seal (2) forms a radially inwardly directed arm (14) for attachment of a rotary shaft seal (8) which is disposed between the arm (14) and the rolling bodies (7). The seal (2) is further provided with a sealing lip (15) which faces away from the rotary shaft seal (8) and is supported by a sealing element (5). The sealing element (5) assumes the function of a protective cap and of anterior seal and includes a reinforcement ring (16) having an arm (17) circumscribing an end zone (19) of the bearing bushing (1). A radially inwardly directed flange (18) of the reinforcement ring (16) is rubberized on an end face. The rubber packing (22) further circumscribes the free end of the flange (18) and is secured in fixed rotative engagement to the pin (6).

Abstract: An adjustably sizable ring seal includes a monolithic ring having a first end portion and a second overlapping end portion. The first end portion has a first cross-section and the second end portion has an integrally formed reduced cross-section slidably receivable generally within the first cross-section and/or an integrally formed radially offset cross-section slidably receivable generally within the first cross-section so that the monolithic ring seal is circumferentially expandable and contractable in size.

Abstract: A gasket arrangement for sealing between first and second components includes a tube through the material of the gasket for transferring fluid through the gasket. The first and second components may be, for example, a transmission case and transmission fluid pan.

Abstract: A break-away end cap assembly includes a tube member of predetermined characteristics and an end cap member for releasably securing the open end of the tube member. An annular recessed groove is formed in the inner surface of the tube member. The end cap member includes an outer flange portion having an outer peripheral surface consistent in diameter with an outer diameter of the tube member and a body portion depending from the outer flange portion. At least one recessed opening is laterally formed within the body portion with a pilot hole formed at the base end of each recessed opening. A normally biased spring member is seated in a base of the recessed opening and a retractable pin is positioned over the normally biased spring member.

Abstract: A compressible annular gasket for providing a fluid-tight seal between a first tubular member having an annular groove and an adjacent ridge and a smooth annular section of a second tubular member when the first tubular member and the smooth annular section are in a relative surrounding and surrounded relationship. The compressible annular gasket includes an anchor portion adapted to be disposed in the annular groove and an elongated portion adapted to extend across the adjacent ridge when the anchor portion is disposed in an adjacent groove. The elongated portion makes contact with the annular section when the first tubular member and the smooth annular section are in a relative surrounded and surrounding relationship.

Abstract: An abradable material for use at moderate temperatures which is particularly suited for use in the compressor sections of gas turbine engines. Abradable seals of the invention comprise an abradable silicone polymer matrix which contains a dispersion of hard abradable organic filler particles.

Abstract: A face seal assembly comprises a pair of co-operating seal rings of which one is provided for mounting on a rotary component and the other on a stationary component. The seal rings have substantially radially aligned seal faces between which during operation a seal gap is provided for sealing a zone peripherally outward of the seal faces relative to a zone peripherally inward thereof. A plurality of peripherally spaced recesses effective for pumping a gas are provided in at least one of the seal faces, said gas recesses extending from one periphery of the seal face towards, but the of ends said recesses being radially spaced from, the other periphery thereof. A surface area ratio FGFA/FG g in a range between 0.35 and 0.65, preferably 0.4 and 0.6 is provided on the seal face having said gas recesses. FGFA is the total surface area of the gas recesses as a projection onto the seal face, and FG is the total surface area of the seal face.

Abstract: A unique fluid pipe/duct coupling/fitting having flexible arcuate pliable and deformable gaskets such as an O-ring providing the seal between an OD pipe and the ID coupling or fitting and an uncouple retard structure for promoting the insertion of the tubular fluid connector from backing away or withdrawing from the fluid pipe into which the ID coupling is being inserted. The uncoupling retarder structure includes a first starting groove and a last or final resting groove both disposed on the tubular wall of the fluid connector pipe, the first beginning and last final resting groove being disposed and having a predetermined longitudinal distance along the length of the pipe wall between them.

Abstract: A packing gland assembly mountable on a shaft extending through an opening in a wall member of an apparatus consisting of a main housing member mountable on the shaft having an opening for receiving the shaft therethrough, the opening being provided with an enlarged section defining an annular space about the shaft when the man housing member is mounted on the shaft with the shaft extending through the opening therein; a split housing member mountable on the shaft including a section receivable in the annular space provided by the main housing section, such section having an opening for receiving the shaft therethrough and being provided with an enlarged section defining an annular space about the shaft when the main and split housing members are mounted on the shaft with the shaft extending through the openings therein; at least one packing ring mountable on the shaft and receivable within the annular space of the split housing member when the main and split housing members are mounted on the shaft in the as

Abstract: A static pressure non-contact type mechanical seal that exhibits and maintains a high sealing function or performance for a prolonged period even when sealing gases containing foreign matter such as oil. A labyrinth seal (7) comprising a plurality of annular grooves (71) and annular plates (72) extending into the grooves is provided, the labyrinth seal partitioning a region C on the outside diameter side of the seal faces (31, 41) in the seal case (2) from the inside region A of a gas treatment machine (1). The seal case is provided with a return passage (8) communicating with the bottom portions of the annular grooves 71 and opening into the inside region A of the machine. The seal case also includes a purge gas feed passage for supplying purge gas to the region C on the outside diameter side of the seal faces, the purge gas pressure being higher than that in the inside region.

Abstract: A seal cartridge for a face seal comprising an annular housing having an inner and outer wall and a back wall; a seal ring composite in said housing; a first resilient member disposed between said housing and said seal ring composite for providing an axial bias on said seal ring composite, said seal ring composite including a support shell and a sealing insert supported in said shell for providing a primary seal with a rotor; a second resilient member disposed between said seal ring composite and one of said inner and outer walls for providing a secondary seal; a rotor in said housing, said rotor having a sealing ring groove between said rotor and a shaft to be engaged, said groove having an inner end and an outer end; and a sealing ring disposed in said groove, said groove having a width at its inner end approximately equal to or less than the width of said sealing ring and a width at its outer end confronting the shaft greater than the width of said sealing ring for sealing the rotor to the shaft and inhibi

Abstract: Rotating machine seal device is improved so that seal plate is fitted to rotating portion firmly, thereby self-induced vibration of the seal plate is reduced and occurrence of abrasion or thinning of the seal plate due to the self-induced vibration and sealing deterioration accompanying therewith are prevented. In rotating machine seal device having seal plate (2) inserted into groove (1a) provided in disc portion (1) driven rotationally, said seal device being for sealing fluid between fluid passage (12) on outer circumferential side of said groove (1a) and fluid passage (14) on inner circumferential side of said groove (1a), said seal plate (2) is divided into plural pieces along circumferential direction thereof to be inserted into said groove (1a) of the disc portion (1) and spring plate (3) is disposed on inner circumferential side of said seal plate (2) so that said seal plate (2) is pressed against seal surface (1b) of said groove (1a) by spring force of said spring plate (3).

Abstract: A gasket is provided that is suitable for use in connection with a cylinder head. The gasket includes a first outer plate including a compensating portion, a second outer plate including a compensating portion, and a compensating plate positioned between said first and second outer plates. Preferably, at least one of said first and second outer plates includes a bead positioned outside of, and in close proximity to, said compensation portion of said plate. The compensating plate includes a compensating element and an edge portion. In a preferred embodiment, the area between the compensating portions of said first and second outer plates defines a compensating area and said compensating element is positioned within said compensating area. If desired, the gasket may also include a spacer plate.

Abstract: A seal assembly (10) for a pump provides sealing between a rotating shaft assembly (11, 12) and a fixed casing (13). The casing (13) has inner and outer stationary sealing faces (33, 34). A spacer (21) is rotationally locked to the sleeve (12), but the sleeve (12) is able to move axially relative to the spacer (21), at least to a limited extent. Inner and outer rotating heads (26, 27) are carried by spacer (21) and are biased by axial springs (32) against respective stationary sealing faces (33, 34). The seal assembly provides a double seal between rotating and stationary members, yet accommodates axial movement of the shaft sleeve (12). The sealing components are located in a chamber (14) containing liquid lubricant, and a paddle (25) is provided on the spacer (21) to induce circulation and misting of the lubricant.

Abstract: A seal joint for an arrangement for separating a gas and liquid mixture, the arrangement having a vessel with an inlet for entry of the gas and liquid mixture and an outlet for exit of a separated gas, and a centrifugal separation cyclone in the vessel for centrifugally separating the gas from the mixture. The vessel includes an internal tubular member having an open end and an inlet tube having an open end extending toward the open end of the internal tubular member. A seal joint ring is fixed to the open end of the internal tubular member. The ring has an annular trough which is open toward the open end of the inlet tube and a gasket is provided in the trough and is engaged by the open end of the inlet tube for sealing the open end of the inlet tube to the open end of the internal tubular member.