Abstract: The invention relates to an adapter (1) for connecting an extinguishing-agent container (105) to a pipeline connection (103) of a fire-extinguishing system (100) in a fluid-conducting manner, having a first connector (5a), which is configured to be connected to a correspondingly configured connection (107) of the extinguishing-agent container (105), and a second connector (5b), which is configured to be connected to a corresponding pipeline connection (103). In particular, the adapter has a rigid pipe coupling (3) that is variable in length and extends along a longitudinal axis (L), wherein the first connector (5a) and the second connector (5b) are each attached in an articulated manner to the pipe coupling (3).

Abstract: A coupling adapted for use with a gas turbine engine includes a first flange, a second flange, and a seal assembly. The first flange is coupled with an exhaust end of the gas turbine engine. The second flange is coupled with ducting downstream of the gas turbine engine. The seal assembly extends between the first flange and the second flange and is configured to block the gases from passing radially between the first flange and the second flange.

Abstract: A pipe unit for arrangement in a conduit for a gaseous medium, comprising a pipe-shaped body, a pipe-shaped flexible sealing element, which is fixedly attached at a first end outside the pipe-shaped body and which comprises a flange element at a second end. The flange element is detachably attachable to a flange element in a connecting pipe in the conduit, in order to, when the flange elements are fixed to each other and the pipe unit is accordingly connected with the connecting pipe, to allow movement between the pipe-shaped body and the connecting pipe via the sealing element's flexibility. A mutual fixation of said flange element forms the only touching connection of the pipe unit to said connecting pipe.

Abstract: A coupling apparatus for use in sealingly connecting a first fluid flow path to a second fluid flow path. The coupling apparatus includes a rigid fluid flow channel having a first end and a second end, wherein the fluid flow channel is substantially rigid in an axial direction and a radial direction, a first sealing terminus that is rigidly connected to the first end and that is configured for sealing with the first fluid flow path, and a second sealing terminus that is slidingly disposed about the second end such that the second sealing terminus is configured for relative movement with respect to the second end, and wherein the second sealing terminus is further configured for sealing with the second fluid flow path.

Abstract: An improved device for coupling rigid non-metallic conduits is disclosed. The claimed device is capable of allowing movement in an axial direction due to expansion and contraction and can also compensate for angular or parallel deflection of the conduits.

Abstract: An exemplary embodiment provides a shrouded conduit joint assembly that includes a joint assembly and a boot shroud. The joint assembly includes a first ferrule having a first seal, and a second ferrule having a second seal. A clamp operatively engages the first ferrule and the second ferrule. The boot shroud surrounds the joint assembly and is spaced from the joint assembly to create a leak detection space between the joint assembly and the boot shroud.

Abstract: A flexible downspout connector apparatus includes a flexible extension pipe, and a first adapter member and a second adapter member, both nested together at one end of the pipe. The first adapter member includes a connection portion for connecting to a downspout outlet end of a first size, and the second adapter member includes a connection portion for connecting to a downspout outlet of a second size. The second adapter member is releasably telescoped with respect to the first adapter member and may be left in place or removed at the option of the user to accommodate for different downspout outlet end sizes.

Abstract: A fluid conveyance system connector includes a body and a tube positioned within the body through which a conveyed fluid flows. A moveable adapter is received in a first space between the body and the tube. The moveable adapter sealingly cooperates with the body and tube to define outer and inner variable volume chambers. The inner chamber communicates with one of an external environment or the conveyed fluid through a first port and the outer chamber communicates with the other of the conveyed fluid or the external environment through a second port such that the pressure in the inner chamber is the pressure exhibited by the external environment or the conveyed fluid and the pressure in the outer chamber is the pressure of the other of the conveyed fluid or the external environment. A differential pressure comprising a difference between the pressure of the conveyed fluid and the pressure exhibited by the external environment applies an inwardly or outwardly directed force to the moveable adapter.

Abstract: A flex joint assembly includes a damper mounted to a first scissors linkage and a second scissors linkage.

Abstract: The present invention relates to an apparatus which forms a sealed joint between two pipes, particularly but not limited to roofing drain pipes. This apparatus includes a cylindrical body made of rubber or similar material that grips and seals two pipes when it is axially compressed by two halves of an articulated housing as they move towards each other. The two half bodies of the articulated housing are threaded to each other such that when one body is rotated in one direction, the bodies move towards each other, thereby reducing the overall length of the housing, and compressing/deforming the rubber seal.

Abstract: An exhaust connection coupler and a method for manufacturing the same are provided. The coupler may include a bellows member, an interlock member disposed within the bellows member and an outer braid cover surrounding the bellows member. The braid cover is designed such that it provides resistance limiting axial growth of the coupler, so that the interlock member is not extended to an excessive length, while enabling maximized compression and angular flexibility. The outer braid cover may be constructed of intertwined bundles of wire filaments disposed at a specified angle from a central axis of the coupler. As assembled, the interlock member is at a nearly fully extended length when the bellows member is at an uncompressed and unextended length in order to maximize the amount in which the coupler may be compressed and/or flexed during installation and use.

Abstract: A drain pipe coupling for connecting a primary pipe having a primary width ?1 to two or more secondary pipes, said secondary pipes having a secondary width shorter than the primary width of the primary pipe, said drain pipe coupling having a cuff for connecting to the primary pipe and a transition portion connecting to the secondary openings; a downspout extension terminating in a collapsible, extendable and flexible low profile corrugated discharge pipe having a substantially symmetrical oblong cross section but not having any internal supports; a reducing insert adapter for connecting a 2 inch rectangular downspout to a 4 inch rectangular cuff comprising a first open adapter-end sized to engage with the rectangular cuff and a second open adapter-end sized to engage with the open end of said second rectangular gravity-flow drain pipe; and a gravity-flow drain pipe having a camouflage pattern displayed on a portion of the outer surface of the pipe.

Abstract: For connection of pipelines which are subject to vibration, for example pipelines in vehicle exhaust systems, a liquid-tight decoupling element is used which includes a, e.g. multi-layer wound, metal hose and a tube accommodated in coaxial relationship inside or outside of the metal hose. A first axial fitting firmly secures one end of the tube. The tube is sized to protrude into a second axial fitting, regardless whether the metal hose is completely compressed or completely stretched, to allow movement of the tube in axial and torsional directions in relation to the second axial fitting.

Abstract: Embodiments of a heat-transfer mechanism are described. This heat-transfer mechanism includes a first heatpipe having a first end and a second end, and a second heatpipe having a third end and a fourth end. Moreover, a heatpipe coupler is thermally coupled to the second end of the first heatpipe and the third end of the second heatpipe. This heatpipe coupler includes a housing surrounding a cavity and a liquid metal contained within the cavity, thereby providing a thermal path from the first end of the first heatpipe, which is configured to couple to a condenser, to the fourth end of the second heatpipe, which is configured to couple to an evaporator.

Abstract: A sealed coupling for connecting two pipe ends include two operating covers for respective connection to respective pipe ends, and elongated bellows having respective ends and a damping element supported by respective rims of said covers, said damping element disposed radially outwardly of said bellows and oriented centrally of said respective bellows ends for dissipating forces on said coupling uniformly across said bellows.

Abstract: A flexible tube 10 of the present invention is disposed downstream of a exhaust path from an engine E, and formed of an outer bellows 3 as an outer tube and an inner bellows 4 as an inner tube; pleats 4c,4c of the inner bellows 4 are smaller in depth and pitch than the pleats 3c of the outer bellows 3, and the buffering space S is provided with a gap t between the pleats bottoms of the outer bellows 3 and the pleats tops of the inner bellows 4, and further, a partition 17 that splits the exhaust path is disposed in the inner bellows 4. For this reason, sound insulation effect is improved, and the lowering of the temperature of the exhaust gas is suppressed, leading to quick temperature rise of the exhaust gas to be fed into the catalytic converter, thereby promoting the activation of the catalysts and improving the capability to purify exhaust gas, and the exhaust efficiency can be improved thereby increasing output performance of the engine.

Abstract: A bellows-shaped hollow body is provided with a bellows extending in a central axis direction thereof, and is made by blow molding. The bellows includes crests and roots, and has a constant height-wise dimension between the top of the crests and the bottom of the roots neighboring on the crests in a circumferential direction thereof. Moreover, the bellows further includes general sections and greater membrane-length sections in a circumferential direction thereof. In addition, the general sections exhibit a first membrane length that is a dimension from the bottom of one of the roots to the top of one of the crests neighboring on the one of the roots, and the greater membrane-length sections exhibit a second membrane length being greater than the first membrane length of the general sections.

Abstract: A cryogenic seal for vacuum-insulated pipe systems where the pipe system includes an inner pipe connected to an outer pipe by a bellows. The seal prevents cryogenic liquid from leaking from the inner pipe into the annular vacuum space between the inner and outer pipes in the event of bellows failure. One end of the bellows is connected to the inner pipe by a movable bellows ring and the other end of the bellows is attached to the outer pipe by a fixed bellows ring. A bellows guide is attached to the fixed bellows ring and receives the movable bellows ring in a sliding fashion. The seal may be positioned between the movable bellows ring and the bellows guide or between the fixed bellows ring and the outer surface of the inner pipe. The seal may also be positioned between the bellows shield and the movable bellows ring. The seal may be a leak control ring or the packed gland type.

Abstract: A fluid piping system and pipe spools are provided. The fluid piping system has at least one pipe spool. The pipe spool has an inner wall and an outer wall with at insulating area defined at least in part by the inner and outer wall. The insulating area of the pipe spool acts to isolate any leak of cryogenic fluid in the pipe spool.

Abstract: A gimballed joint includes an annular bellows seal circumscribed about a joint centerline mounted within forward and aft shrouds having clevises with lugs and a threaded hole disposed through each of lugs. A ring circumscribed about the lugs has counterbored holes. Each of the counterbored holes is aligned with one of the threaded holes. Pins having heads and shanks extending inwardly therefrom are disposed through and the heads engage the counterbored holes. Externally threaded portions of the shanks are threaded into internally threaded holes in the each of the lugs. A key is disposed through a key hole extending inwardly through each of the heads and through threaded together portions of external threads of each of the externally threaded portions and internal threads of each of the internally threaded holes. In one embodiment wear bushings are disposed in the counterbored holes between the heads and the ring.

Abstract: The absorber pipe (1), especially for a parabolic collector for a solar heat collecting apparatus, is described. The absorber pipe (1) includes central metal pipe (3), a glass sleeve tube (2) surrounding the nine so that an annular space (4) is formed between them and an expansion compensating device connecting the central metal nine and a glass-metal transitional element (5) on a free end of the sleeve tube (2). The expansion compensation device (10) connects the metal pipe and sleeve tube, so that they can slide relative to each other, and includes folding bellows (11) for that purpose. Furthermore it also includes a connecting element (15), which has either a cylindrical or a conical section (17,18,18?) and which connects an interior end of the folding bellows with the metal pipe.

Abstract: A gimballed joint includes an annular bellows seal circumscribed about a joint centerline mounted within forward and aft shrouds. The forward and aft shrouds have devises with lugs and a threaded hole is disposed through each of lugs. A ring circumscribed about the lugs has counterbored holes. Each of the counterbored holes is aligned with one of the threaded holes. Pins having heads and shanks extending inwardly therefrom are disposed through and the heads engage the counterbored holes. Externally threaded portions of the shanks are threaded into internally threaded holes in the each of the lugs. A key is disposed through a key hole extending inwardly through each of the heads and through threaded together portions of external threads of each of the externally threaded portions and internal threads of each of the internally threaded holes. In one embodiment wear bushings are disposed in the counterbored holes between the heads and the ring.

Abstract: A cryogenic fluid piping system is provided with two or more coupled pipe spools, each spool having an inner and outer pipe, the inner for carrying cryogenic fluid. The pipe spools are also configured with a bayonet connection to allow expansion and contraction of the system without failure. A leak control device and pressure relief device are included to protect the system from catastrophic failure in the event of a cryogenic fluid leak from the inner pipe.

Abstract: The invention relates to a storage structure having a fluid transfer boom for transfer of cryogenic liquids such as liquified natural gas (LNG) from a first storage structure to a vessel. The boom has two arms which are rotatably connected at their first ends via a swivel joint. In one embodiment a liquified natural gas duct is supported within the first and second arms which form a gas tight housing around the liquified natural gas duct. The transfer boom according to the present invention provides a redundant containment system wherein the LNG duct is supported by the structurally strong and self-supporting transfer boom which confines the natural gas in case of a leak in the inner LNG duct. In a further embodiment the transfer boom comprises seven swivel joints in total such that rotation in all directions is possible when the vessel is moored to the storage structure and has to cope with relative motions of roll, pitch, yaw, heave, sway and surge.

Abstract: A vacuum-jacketed bayonet pipe spool system for cryogenic fluid. The pipe spool comprises a male bayonet to fit within a female bayonet of an opposing pipe and an expansion-contraction second bellows about the outer end of the male bayonet for stress-free movement.

Abstract: A sewage draining system for a recreational vehicle is disclosed, A flexible drainage hose extends from the distal end of sewage pipe on an RV, and a rigid sleeve carries the drainage hose in a first stowed position in which the hose is fully contained in the sleeve and in a second drainage position. The sleeve is pivotably connected at one end near the distal end of the sewer pipe so that it can swing outwardly from the vehicle.

Abstract: A polymeric hose assembly including a male hose inserted within a female hose connects an air cleaner to an internal combustion engine. An elastomeric seal including a plurality of bellows is bonded around the circumference of the exterior surfaces of the female hose and the male hose at bonding points. The plurality of bellows expand to allow for the expansion of the hose assembly to accommodate for engine movement and vibrations.