Abstract: An aircraft engine circulation system comprises a conduit arranged in use to communicate a lubricant to and from one or more bearings of an engine. The conduits define a space which comprises a material that is selected to change phase at a predetermined temperature.

Abstract: An anti-backflow plumbing fitting (10) includes an annular body (12) which bounds an interior area (20). The body includes a body outlet (28) and a plurality of cup portions (40) each of which includes an inlet opening (46). An annular body side wall (22) includes at least one radially extending side wall air gap (36). Each cup portion further includes a pair of angularly disposed cup air gaps (54). An inlet end wall (30) includes a plurality of body flow inlets (52) which are each associated with a respective cup portion. Each body flow inlet underlies a respective cup portion and is elongated in aligned relation with each cup air gap, to enable liquid to flow from the respective inlet opening of a cup portion into the interior area. The inlet end wall is sloped and includes a plurality of drain holes (66, 68) therein. A plurality of vanes (60) extend in the interior area intermediate of immediately adjacent body flow inlets.

Abstract: An apparatus includes a manifold heat exchange fitting (32) configured to collect a plurality of fluid streams of fluids having different fluid densities. The fitting includes a body (52) with a generally open fluid collection interior area (56). The body of the heat exchange fitting is positioned in a central fluid path that includes a body inlet (58) and a body outlet (60). A plurality of fluid stream fitting openings (76) in the body are connectable to fluid streams of fluids having different densities delivered from water discharge devices such as an autoclave, a steam sterilizer in the steam cooler. The fluid streams of the fluids having different densities collected in fluid communication in the fluid collection interior area may undergo heat exchange prior to discharge from the body outlet.

Abstract: A water drain management apparatus used in clinical facility (43) or other facility includes a manifold plumbing fitting (32, 272, 384). The fitting includes a plurality of drain outlet connections for water discharge devices (40, 42, 222, 226, 230, 234). Such water discharge devices may include devices such as autoclaves, sterilizers, cleaners, washers, filters, humidifiers, condensing devices and other devices used in the facility. A plurality of drain fitting openings in the body of the fitting are connectable to respective water discharge devices, and openings that are not utilized are closable with plugs. Some manifold fittings (272, 344, 384, 482) include an air gap opening (288, 360, 392, 530). These configurations provide an air gap that prevents contamination due to back flow of water within the fitting reaching water discharge devices or the body inlet of the manifold fitting.

Abstract: An apparatus includes a manifold heat exchange fitting (32) configured to collect a plurality of fluid streams of fluids having different fluid densities. The fitting includes a body (52) with a generally open fluid collection interior area (56). The body of the heat exchange fitting is positioned in a central fluid path that includes a body inlet (58) and a body outlet (60). A plurality of fluid stream fitting openings (76) in the body are connectable to fluid streams of fluids having different densities delivered from water discharge devices such as an autoclave, a steam sterilizer in the steam cooler. The fluid streams of the fluids having different densities collected in fluid communication in the fluid collection interior area may undergo heat exchange prior to discharge from the body outlet.

Abstract: A first flow channel of a flow channel switching valve includes a first portion that is connected to a valve body and that is linear, a second portion that is connected such that the second portion is perpendicular to the first portion and that is linear, and a lid member that is joined such that the lid member covers an opening of a tip end of the first portion. The first flow channel also includes a pair of projecting portions that is disposed such that the projecting portions interpose the first portion therebetween in a radial direction and face each other, and a connecting portion that couples the pair of projecting portions with each other. The pair of projecting portions includes a planar surface portion that faces the valve body direction.

Abstract: Embodiments of a drain comprise three primary components that can be provided in a preassembled configuration: a drain body, which includes an integral upper flange; a lower clamping collar that forms a lower flange; and a waterproof membrane that is fixedly sandwiched between the upper and lower flanges and extends outwardly therefrom. The drain is further characterized through the use of a plurality of fins that extend into the cylindrical interior of the drain body's throat and act to position and hold a drain cover assembly in place replacing the use of threads that are common in the prior art.

Abstract: A system for establishing a fluid path between a plurality of tubes includes a manifold and a plurality of caps. The manifold defines an internal cavity and a plurality of orifices that access the cavity. Each of the plurality of caps are secured to an end of a respective tube of the plurality of tubes. Each cap defines a central orifice that is in fluid communication with the respective tube. Each cap has a tapered protrusion extending away from the end of the respective tube. The caps are disposed within the internal cavity such that the respective tube extends through a respective orifice of the plurality of orifices and outward from the manifold. The tapered protrusions of adjacent caps interact with each other to position each cap to form a seal with other caps having a central orifice such that the central orifices are in fluid communication with each other.

Abstract: A compensator junction assembly for carrying pressurized hot gases in an aircraft ducting system comprises a substantially spherical inner race having at least three apertures and at least three corresponding retainer assemblies, where the apertures in the retainer assemblies align with the apertures in the inner race, and at least three outer races, each having apertures generally aligned with the at least three inner race apertures, respectively. The retainer assemblies may include at least one bottom channel and at least one top channel for receiving one or more bearings and seals. Spherically rotational movement of the retainer assemblies between the inner and outer races accommodates stresses caused by the pressurized hot gases and external forces.

Abstract: A method for tightening or loosening components of a hammer assembly is comprises inserting a tool into an aperture defined by at least one component of the hammer assembly in order to engage the drive structure of a tensioning member, moving the drive structure of the tensioning member, and moving at least one draw member operatively associated with the tensioning member.

Abstract: A modular air-handling plenum for capable of supporting surgical apparatus or other objects is disclosed. The plenum is usually rectangular, may be formed of sheet metal, and features a truss spanning the width of the plenum to carry the weight of the apparatus. The plenum itself is attached to the ceiling of a room. An air handling component may be included to provide filtered and/or conditioned air in the vicinity of the suspended apparatus, or the plenum may be used strictly as an apparatus support, with no air-conditioning function. An ordinary suspended ceiling may also be mounted in the plenum for continuity with the remainder of the room.

Abstract: A single, unitary thermal management system (TMS) manifold for a gas turbine engine is provided which comprises one or more interfaces for mounting various thermal management system components directly to the TMS manifold. The TMS manifold also defines fluid passages for transferring fuel, engine lubricant or generator oil from one component to another component. Packing numerous fuel system and lubricating system components within the TMS manifold reduces cost and weight and simplifies maintenance.

Abstract: A clamp comprising a spanner extending across a gap between first and second longitudinally extending edges of a band clamped onto a fluid conduit having a circumference orientated about an axis; a connecting assembly configured to tighten the spanner and band to the conduit and a gasket between the band and spanner and the conduit; the gasket comprising a first circumferential seal bead protruding from an inner side of the gasket and having a circumferential length that is equal to or greater than the circumference of the conduit and at least one standalone header bead protruding from the inner side of the gasket and disposed at least partially between the spanner and the conduit and having a circumferential length that is substantially less than the circumference of the conduit.

Abstract: A truss connection apparatus is used to connect truss sections. A connection segment is mounted on each truss to be connected. Each connection segment has an opening, in alignment with each other to receive a fastener. The fastener is threaded on one end and can receive a nut. The other end of the fastener is a locking end having a radial protrusion. One of the connection segments has a securing means adapted to secure the locking end when the at least one protrusion of the locking end is rotated to a locking position. In the locking position the protrusion mates with the securing means and the fastener is prevented from rotational or axial movement and connection segments are fixed relative to each other as are the truss sections on which the connection sections are mounted.

Abstract: The invention concerns a lubricating system for a fifth-wheel traction coupling of a towing vehicle, comprising a coupling plate, the upper side of which has at least one grease discharge aperture which is connected to a lubricating device via a supply line fixed to the coupling plate. The invention addresses the problem of developing a lubricating system for towing vehicles which permits automatic lubrication irrespective of whether a central lubricating system is provided. The invention solves the problem using a lubricating system in which the lubricating device is associated with the fifth-wheel traction coupling and is arranged directly on the fifth-wheel traction coupling or in the vicinity of the fifth-wheel traction coupling.

Abstract: Provided is an improved toilet seal that utilizes redundant and adaptable physical barriers to facilitate installation and improve sealing performance at the junction between a toilet base and floor.

Abstract: Methods and apparatus are described for producing welded assemblies of plastic parts for use in fluid flow applications. A unit cell structure is disclosed for use in an assembly. One embodiment is an as-molded plastic unit cell structure for use in fabricating welded fluid flow assemblies, the cell structure comprising a hollow tubular body portion having opposed first and second axial ports, a first hollow tubular portion extending axially from a first end of the tubular body portion and defining the first axial port, the first hollow tubular portion having a tube or pipe end configured for welding to another plastic part in a fabrication process for an assembly, and wherein the first tubular portion has a length in a range of 1 mm to 40 mm.

Abstract: A modular liquid waste treatment system is disclosed. In accordance with some embodiments, the system includes a central distribution unit and one or more treatment fins in flow communication therewith. The distribution unit may be configured to receive liquid waste from a given source and distribute that waste, at least in part, to one or more treatment fins. In turn, bacteria present in a given treatment fin treat the liquid waste, and the resultant treated liquid may drain from the fin to the surrounding environment. In some embodiments, a given treatment fin may include porous media providing a large surface area on which bacteria may grow to facilitate treatment. The system may be installed in and/or above the ground, and in some cases may be surrounded, at least in part, with treatment sand and/or other treatment media. The system may be used in aerobic and/or anaerobic processing of liquid waste.

Abstract: A fitting for a fluid-circulating heat exchanging garment includes a cylindrical tube of flexible PVC extending from and integrally formed with a fluid-conducting chamber, the tube having a length, a distal portion with an inner diameter adapted to receive and closely fit a tubing end of a flexible PVC tubing, and a proximal portion with an inner diameter substantially equal to an inner diameter of the flexible PVC tubing, the cylindrical tube having a plurality of spaced apart radially-extending ribs extending the length of the tube and continuing to an outer surface of the fluid-conduction chamber. A manifold for heat exchanging garments has a central fluid-conducting chamber with a plurality of fittings extending therefrom and an inlet/outlet for connection to flexible tubing connected to a fluid circulating system.

Abstract: A constructible water toy for recreational use and learning, the water toy comprising a kit of parts having beams, connectors, and connector adapters. A beam comprises a pool noodle with a rigid endoskeleton support extending beyond the ends of the pool noodle. The endoskeleton support enables engagement to other beams via connectors or connector adapters with locking features for removably coupling the beams for forming endless structures.

Abstract: The vehicle has a first clamp unit which fixes a harness for a wheel speed sensor above an outer tube on the side on which a wheel speed sensor. The vehicle has a second clamp unit which bundles the harness and a brake hose at substantially the same height as that of the first clamp unit above an outer tube on the side on which a caliper is provided. The second clamp unit includes a harness second cramp for fixing the harness and also a harness third cramp which changes the orientation direction of the harness so as to be oriented along the brake hose. The harness and the brake hose form a swing part which is curved in the horizontal direction between the second clamp unit and a bottom bridge.

Abstract: A utility service apparatus having at least one utility segment with a conduit system having an elongated body. A coupling structure is positioned at both ends. The coupling structure at one end is attachable to the coupling structure at the other end. A plurality of utility service components extend through the elongated body. Coupling a first end of a first utility segment with the second end of another utility segment assembly operably connects each of the plurality of utility service components to another utility segment assembly. Some of the segment assemblies include a unit head positioned along the elongated body. The unit head has a plurality of utility service ports coupled to the utility service components. Service implements can be attached thereto.

Abstract: A rotary joint includes an input member and an output member rotatably sleeved on the input member. The input member defines a through hole extending along a vertical axis of the input member. A plurality of mounting portions circumferentially protrudes from an outer surface of the input member. Each two adjacent of the plurality of mounting portions form a first receiving groove. A plurality of transmission holes is defined in the input member. An opening of each transmission hole away from the end surface of the input member is formed in a sidewall of the first receiving groove. An output member is rotatably sleeved on the input member. Sidewalls of the first receiving groove and an inner wall of the output member cooperative form a channel. An outlet is defined in the inner wall of the output member. The invention also discloses a worktable using the rotary joint.

Abstract: A refuge shelter includes a container. The shelter includes a tent that is disposed in the container in an undeployed state. The tent includes an inflatable support structure which is inflatable from an undeployed state in the container to a deployed state, and a seal which seals the tent to the container in a deployed state. The support structure has a plurality of hoses interconnected by couplers. The hoses have an inside diameter of less than 5 inches. A gas flow apparatus. A refuge shelter for miners in a mine includes a container and a tent that is disposed in the container. The tent has a test support to which a sample of the external environment can be obtained from inside the tent when the tent is deployed. A method for providing a refuge chamber for miners in a mine.

Abstract: A combination includes a container and a coupling configured to receive the container. The coupling has a unitary body having a first side and an opposing second side, the first side comprising a first orifice and a second orifice, the second side comprising a third orifice. The first orifice is disposed in flow-through communication with the third orifice from the first side to the second side, and the third orifice is disposed in flow-through communication with the second orifice from the second side to the first side. A first flow path through the first orifice is disposed parallel with a second flow path through the third orifice, and a third flow path through the third orifice is disposed parallel with a fourth flow path through the second orifice.

Abstract: A tetrahedron shaped pipe section core connector and an optional end connector that enable the quick fabrication of a stable tripod base with a stable post support. The core connector is made by machining, molding, casting, or forging the material from which the pipe connector is constructed (typically metal or plastic). The core component (hereinafter the “knuckle connector”) provides four pipe connections oriented at 109.5° angles to each other, forming a regular tetrahedron shape. Pipe sections may be screwed or press fit into each of the four pipe connections. Three of these fitted pipes may be oriented to form a tripod base. The remaining pipe connection extends vertically up to form a post support. The body of the knuckle connector optionally incorporates one or more smaller apertures, preferably threaded, that extend through the wall of the body of the connector. These apertures provide attachment points for ancillary components.

Abstract: A flow splitter is operable to divide flow of a fuel mixture. The flow splitter includes a first tube having an outlet end and a plurality of second tubes that are coupled at the outlet end to divide flow from the first tube. Each of the plurality of second tubes has a respective inside diameter that satisfies Equation (I) and Equation (II) disclosed herein.

Abstract: A network and method of laying network cables in water supply pipes is disclosed. A building is situated near a roadway along which is laid a trunk cable. A water supply pipe branches off the water main to enter the building. A water supply pipe is provided at the time of construction of the building and is an underground pipe. It is conventional to provide a dedicated (and usually underground) conduit for a branch cable, which is expensive and disruptive. In the present invention the branch cable is laid along water supply pipe, enabling the cable to cross between the trunk cable and the building with minimal disturbance of the ground therebetween. This is achieved by introducing cable to pipe by use of a suitable Y-junction at location and removing the cable from the pipe by use of a second such Y-junction at location.

Abstract: A sanitary fitting contains a fitting housing with a basic element in the form of a straight circular cylinder with an open underside. An interior with a straight-line central axis is formed inside the basic element, into which and out of which lines pass through the open underside. The basic element has a branch which likewise has the form of a circular cylinder with an open outer face. The interior of the branch merges into the interior of the basic element. The branch contains a receptacle for a mixer cartridge. A connecting element inserted in the branch is used to make the water-carrying connection between the lines inside the basic element and the mixer cartridge inside the branch. The connecting element consists of plastic.

Abstract: A crescent shaped hose end or adapter for interfitting into a crescent shaped opening that is formed in a circular opening of a conduit when another circular hose is present in the circular opening of the conduit. In one embodiment, there is an adapter that has a circular end to be affixed to a discharge drain for an appliance and the other end has a crescent shape cross section for use in a drain conduit having a circular opening and alongside another circular hose the takes up space in the opening. In either case, the crescent shaped cross section enables the device to be inserted through a crescent shaped opening that is formed between a circular hose and the circular opening of a drain conduit.

Abstract: A leakage-proof pipe fitting of quick connection for Reverse Osmosis Membrane (RO) water treatment unit of household comprises a pipe fitting of elbow type, a sealing O-ring, an annular cooperative bushing collar, an accessory latching clip and an adapted cylindrical elastic sleeving collet with an elongated annular delimiting flange, whose longitudinal thickness is lengthened into at least double length for the original longitudinal thickness of the conventional annular delimiting flange to extend the embracing distance from the top surface of the adapted cylindrical elastic sleeving collet to the bottom surface of the cylindrical retainer in the pipe fitting of elbow type so that the curvature for the bent water pipe/tube covered by the embracing distance is reduced. Thereby, the sealing O-ring is free from uneven stress of the bent water pipe/tube. Consequently, it has effect in preventing RO water treatment unit from the leakage of compressed water therein.

Abstract: A pipe coupling is provided with inner and outer diameter dimensions and structures optimized for connection with at least three different sizes of pipe or tubing.

Abstract: Proposed is a fitting main body in which are arranged receptacles for the connections of the sanitary fitting to the water line, receptacles for a thermostat valve and a flow-rate regulating valve, and all water channels. The water channels are formed at least in part as flat ducts open towards one side of the fitting main body, wherein the longitudinal direction of the cross section through the flat ducts runs perpendicular to the side of the fitting main body. The ducts are closed off by a cover which is connected to the fitting main body. As a result, that part of the sanitary fitting which comprises all of the water channels is composed of the fitting main body and a cover.

Abstract: An embodiment of the present invention includes a header for a high-pressure apparatus of steam power plants, with the header having at least one nipple for welding on pipes for feed water and the pipe nipple protrudes to the outside from the header wall. The pipe nipple is formed integrally from the header wall. As a result, a weld joint between the pipe nipple as a first part and the wall of the header as a second part can be omitted, so that the production effort is reduced considerably in the case of large headers with many pipe nipples.

Abstract: A pipe coupling is provided with inner and outer diameter dimensions and structures optimized for connection with at least three different sizes of pipe or tubing.

Abstract: A fitting for joining pipe elements together includes housing portions held preassembled in spaced apart relation to permit pipe elements to be inserted without disassembly of the fitting. Elbow and tee fittings include sealing elements which support the housing portions in spaced relation. Angled surfaces on each housing portion interact with one another to rotate the housing portions in opposite directions to form a rigid joint between the fitting and the pipe elements.

Abstract: A lateral for use in connection with a fluid distributor and collection device is provided. The lateral includes an elongated tubular conduit having a first end and a second end, a plurality of slots disposed along at least a portion of the conduit, and a connecting mechanism disposed proximate to the second end. Each of the slots is angled relative to the conduit to redirect a flow of fluid exiting the conduit.

Abstract: The present invention provides a common rail formed by bonding a common rail body and a common rail holder which has a pressing surface and a convex bonding surface, by means of a heat pressure bonding process and a liquid phase diffusion bonding process, wherein the height H of the convex bonding surface satisfies 1 ?m?H?50 ?m, and the common rail holder includes a deformation introducing portion in which an area of a cross-section parallel to the pressing surface is smaller than the area of the pressing surface.

Abstract: A connection device for a roll-bond heat exchanger comprising two sheets fixed together on opposite sides with respect to a central plane and a plurality of channels for circulation of a fluid that are formed between said sheets. The connection device comprises at least one pair of connectors in fluid communication with said channels, and each of said connectors is situated on just one side with respect to said central plane.

Abstract: A mechanical joint for a gas turbine engine includes:(a) an annular first component having an annular, radially-extending first flange; (b) an annular second component having an annular, radially-extending second flange abutting the first flange; (c) a plurality of generally radially-extending radial channels passing through at least one of the first and second flanges; (d) a plurality of generally axially-extending channels extending through the first flange and communicating with respective ones of the radial channels; and (e) a plurality of fasteners clamping the first and second flanges together.

Abstract: A utility service apparatus having at least one utility segment with a conduit system having an elongated body. A coupling structure is positioned at both ends. The coupling structure at one end is attachable to the coupling structure at the other end. A plurality of utility service components extend through the elongated body. Coupling a first end of a first utility segment with the second end of another utility segment assembly operably connects each of the plurality of utility service components to another utility segment assembly. Some of the segment assemblies include a unit head positioned along the elongated body. The unit head has a plurality of utility service ports coupled to the utility service components. Service implements can be attached thereto.

Abstract: A fluid transfer assembly for transporting medicinal substances. The fluid transfer assembly includes flexible tubes and a manifold each comprising silicone. The manifold has an inner protrusion and connector portions having inner walls. Free ends of the tubes are inserted into complementary configured inner walls of the connector portions until each of the free ends abut the inner protrusion, which creates a continuous uninterrupted passageway between the inner bores of the tubes through the manifold.

Abstract: A leakage-free pipe fitting of quick connection for Reverse Osmosis Membrane (RO) water treatment unit of household comprises a pipe fitting, a sealing O-ring, an annular cooperative bushing collar, a cylindrical elastic sleeving collet, an accessory latching clip with a cantilevered lug, and an annular reinforcing bolster with an inner bore. The annular reinforcing bolster is inserted into the cylindrical retainer of the pipe fitting in sandwich between the sealing 0-ring and the bottom surface of the cylindrical elastic sleeving collet. By interposing the annular reinforcing bolster between the cylindrical docking receptacle in the pipe fitting and the scaling O-ring, the water pipe/tube inserted is closely propped and sleeved in symmetrical manner without causing uneven sealing effect incurred by the asymmetrically non-isometric deformation of the sealing O-ring due to bent water pipe/tube. Consequently, it has effect in preventing RO water treatment unit from leakage of compressed water therein.

Abstract: A port device (10) for a fluid storage bag (46) comprises a housing (12) having a bottom wall (14) and opposing sidewalls (16, 18), and a connective opening (20) in said housing (12) opposite to said bottom wall (14). The connective opening (20) is adapted to be connected with said fluid storage bag (46) and has an elongate surface area shaped by a wide center portion (22) and peaked longitudinally opposing ends (24). A port device (10) further comprises at least one access port (26) in said bottom wall (14) adapted to communicate with the interior of said fluid storage bag (46) through said connective opening (20). In order to be fixable to the fluid storage bag (46) in a safe and easy manner, said port device (10) further comprises at least one bridge element (32) supporting said sidewalls (16, 18) and oriented transversely to the longitudinal direction (34).

Abstract: A multiple connector for piping comprises a body provided with: a first connection and passage portion suitable for coupling along a first axis with a first duct for the passage of a fluid, a second connection and passage portion suitable for coupling along a second axis with a second duct for the passage of said fluid, and a third connection and passage portion suitable for coupling along a third axis with a third duct for the passage of said fluid. The first, second and third connection and passage portions are mutually arranged so that the first axis, the second axis and the third axis are mutually parallel.

Abstract: A method of manufacturing a header assembly having a header section and a tube section includes the steps of providing a reverse mold of the header assembly, forming the header section by filling a header section of the reverse mold with an atomized low alloy steel powder, and forming the tube section. The tube section is formed by filling a first portion of a tube section with an atomized low alloy steel powder, forming a transition region by filling a second portion of the tube section with a series of atomized steel powders incrementally from a low alloy steel to an austenitic stainless steel, and filling a third portion of the tube section with an atomized austenitic stainless steel powder. The method further includes the step of consolidating and melting the atomized powders in a high temperature, high pressure atmosphere.

Abstract: A manifold housing which includes an inlet end for receiving fluid in communication with a main channel defined within the housing. The housing includes a series of outlets in fluid communication with the main channel. The outlets are for connecting outlet pipes thereto, wherein the inlet end having inlet threads for receiving standard pipe threaded fittings therein. Preferably the outlets of the manifold housing includes upwardly projecting lugs attached at one end to a bottom of the outlet, wherein the lugs for abutting with a lug end of a crimp ring used to secure an outlet pipe to the outlet.

Abstract: A joint element made of fiber-reinforced plastic having at least three tubular and/or profile-shaped connection regions. The joint element has at least one V-shaped or U-shaped rigid wall element, which is arranged between two connection regions and is connected to the fiber-reinforced plastic.

Abstract: Roll grooved pipe fittings useful in the assembly of a variety of mechanically joined piping systems. These pipe fittings are roll grooved so that they can be mechanically joined directly with other like pipe fittings and/or with roll grooved straight pipe thereby substantially simplifying assembly. In addition, hybrid pipe fittings and systems are also disclosed. Methods and apparatus for manufacturing these aforementioned roll grooved pipe fittings are also disclosed and address both the roll grooving process itself, as well as various methodology and apparatus for correcting deformations that can occur as a result of the roll grooving process. Methods for using the aforementioned apparatus are also disclosed.

Abstract: The present invention is a device for fluid movement and method of making the same. The device has a core element comprised of a preformed barbed fitting having two or more barbed extensions. Each extension has a central bore connected to the central bores of the other extensions so as to provide fluid communications between them. A tube having a central bore is fitted over the barb of each extension.