Abstract: A sealant is provided for use on an aircraft or other vehicle. The sealant may be used with a gasket. The sealant is a perimeter seal that comprises a polyurea member. The polyurea member is a self-curing, two-component mix. It may cure to a hardness in the range of about 40 to 100 (Shore A). It may maintain an adequate peel strength to withstand multiple thermal and pressure cycling, and may have a working life, wherein it may be shaped, of less than about eleven minutes.

Abstract: The invention relates to a seal for high pressure applications, in which a static and a dynamic sealing portion are separated from each other by a material thin point in such a manner that plastic flowing through the thin point is suppressed even if one of the two sealing portions is acted upon under high pressure as far as elastic compression.

Abstract: A seal assembly includes a seal body, a spring disposed adjacent to the seal body, and a seal ring disposed adjacent to the seal body. The seal body and the seal ring can include a plastic polymer material. The seal assembly can be a subcomponent of hydraulic strut in the landing gear of an aircraft.

Abstract: A seal assembly is for sealing a space between first and second members, the first member having a central axis and an outer circumferential surface extending about the axis, the second member having a radially-extending axial surface, the first member being rotatable about the central axis. A generally annular elastomeric seal body is disposed about the first member outer surface and extends circumferentially about the central axis, the body including a base portion and a sealing portion, the sealing portion having an inner end integrally formed with the base portion and an outer, free end sealingly engageable with the second member axial surface so as to define a generally annular seal interface. At least one shield is coupled with the second member and spaced radially-outwardly from and located generally vertically above the seal interface so as to provide a barrier for preventing entry of substances into the seal interface.

Abstract: A controllable mechanical seal for sealing a shaft rotatable relative to a housing of a device which manipulates a fluid, the seal including: (i) a first face element having a first face surface, wherein the first face element is adapted to rotate with the shaft; (ii) a second face element having a second face surface, wherein the second face element is adapted to be supported within the housing; wherein the first face surface and the second face surface define a gap between the surfaces, physical dimensions of the gap contributing to defining a leakage rate of the fluid through the gap; wherein at least one of the first face element or the second face element includes at least one cavity wholly contained within the face element, the at least one cavity adapted to contain a hydraulic fluid; and wherein the at least one cavity is in fluid communication with at least one hydraulic intensifier and at least one pressure control valve, the at least one hydraulic intensifier being in pressure communication with a s

Abstract: A mechanical seal component of a mechanical seal is substantially annular and includes a plurality of axially adjacent retaining recesses along its surface with each recess being adapted to accept a sealing member.

Abstract: A lightweight butterfly valve having a disk maintained in a fixed position on a compound shaft through an interlocking relation ship between each of the individual shafts of the compound shaft and the disk as the disk is moveable between an open or closed position with the butterfly valve may having other features such as an electric drive to quickly rotate the compound shaft to provide for rapid opening and closing the butterfly valve, a disk position indicator and a shaft stop to prevent the disk from being driven past a full open condition.

Abstract: The invention relates to a control valve (10) for controlling a fluid flow, comprising a valve housing (22) and a positioning element (12) which can be translationally moved and which includes a shut-off portion (14, 70) and a throttle portion (16), with a valve seat being furthermore provided which includes a sealing portion (18, 44) and a throttle opening portion (28, 46), with the shut-off portion (14, 70) of said positioning element (12) being adapted to cooperate with the sealing portion (18, 44) of the valve seat (20, 40) so as to enable shut-off of the fluid flow, and with the throttle portion (16) of the positioning element (12, 54) being adapted to cooperate with the throttle opening portion (28, 46) of the valve seat (20, 40, 60) so as to enable the setting of a defined fluid flow, with at least the surfaces of the throttle opening (28) and the sealing portion (18, 44) being furthermore made of the same hard material.

Abstract: A method includes rotating a first elongated, inlet-side member of an air valve toward an open configuration when a fan blade is rotating and rotating the first inlet-side member to toward a closed configuration when the fan blade is not rotating. The air valve includes a frame and a sheet of thin material. The frame may have an outlet-side member configured to be mounted on a fan housing and the inlet-side member rotatably coupled to the outlet-side member. The material may have top and bottom edges, and a plurality of folds perpendicular to the top and bottom side edges that divide the sheet into a plurality of sections. The material may be attached to the outlet-side member and the inlet-side member, and configurable between folded and expanded positions.

Abstract: A plug valve with linear flow control and a method for designing the plug valve are disclosed. The plug valve has a valve body and a plug being rotatably inserted into the valve body. The valve body has an air inlet communicated to a through hole formed on the plug. The plug has a flow-regulating slot communicated with an air outlet of the valve body. When the plug rotates, the air outlet of the valve body successively overlaps the flow-regulating slot at a starting position, an adjusting position and an ending position defined along the flow-regulating slot. Where the air outlet of the valve body overlaps the flow-regulating slot at the positions is defined as a venting area. The venting area changes linearly from the starting position, the adjusting position to the ending position. The plug valve therefore provides flow control that is relatively linear.

Abstract: A water temperature regulating valve (10) including a valve body (12) having a cavity (13) in which mixing of fluids can occur, and provided with a hot fluid (or heated water) inlet (18) adapted for communication with a source of hot (or heated) water, a cooled fluid inlet (16) adapted for communication with an apparatus that has used the mixed fluid for heating, a mixed fluid outlet (14) adapted for communication with an apparatus that uses the mixed fluid for heating, and a return fluid outlet (20) adapted for communication with the source of hot (or heated) water, all inlets and outlets also being in communication with the cavity (13) provided within the valve body (12), said cavity (13) being provided with an insert (24) in a sealing relationship with an inner surface of the said cavity (13), said insert (24) having a central bore (42) and also defining flow passages and being configured to direct the flows of hot fluid entering the cavity (13) via the hot fluid inlet (18) and cooled fluid entering the ca

Abstract: A single lever cartridge includes a head piece which receives a base piece, and a disc control having a control disc, which is disposed so as to be rotatable and movable via a rotatably and pivotably mounted spindle, wherein the end portion of the head piece which receives the base piece is designed in such a way that the end portion is at least flush at least in some regions with the base surface of the base piece facing away from the control disc.

Abstract: One embodiment includes a hinge pin with a first end, a second end, and an interference portion located at or near the second end. A ratio of a length of the interference portion to an outer diameter of the interference portion ranges between approximately 0.3019 and 0.3341.

Abstract: Provided is a check valve element enabling efficient supply of fluid while suppressing the occurrence of chattering. The check valve element is provided to be displaceable upstream and downstream in a downstream flow path extending downstream from a valve seat having an opening for introducing a fluid and is pressed against the valve seat by a pre-closing urging force applied thereto toward an upstream side.

Abstract: Described is a safety disc comprising a foil element (3) having a thickness (s) of between 15 ?m and 1 mm and at least one non-through cut (2) having a width (L) less than or equal to 200 ?m, such that the ratio between width (L) and depth (H) is less than or equal to 2 and that the angle of penetration (a) of the cut is less than 90°.

Abstract: A diverter valve for use with fluids containing particulate matter is presented. The diverter valve includes a piston slidable between a first and second position in a valve casing. In the first position, a pass-through transverse bore in the piston is aligned with openings in the valve casing to allow a fluid to pass through to a first conduit. In a second piston position, a port for a diverter bore in the piston is aligned with an opening in the valve casing such that the fluid is diverted away from the first conduit. The piston includes a plurality of grooves structured to capture fluid and particulate matter that enters the slight gap between the piston and the valve casing.

Abstract: The subject invention provides a fluid routing device for directing the transportation of a fluid including a housing defining first and second corridors selectively fluidly coupled to one another, and a valve assembly capable of alternating between an open configuration fluidly coupling the first and second corridors and a closed configuration fluidly separating the first and second corridors. A shape memory alloy member alternates between a de-energized state and an energized state. A link is pivotably mounted to the housing and is coupled between the valve assembly and the shape memory alloy member. The link pivots between a first position when the shape memory alloy member is in the de-energized state and a second position when the shape memory alloy member is in the energized state which alternates the valve assembly between the closed configuration and the open configuration for selectively fluidly coupling the first and second corridors.

Abstract: The present invention is a water conservation safety shut-off valve assembly for use on locations which normally have intermittent water usage but need to indicate when there is constant water usage, such as a leak. The valve assembly has a valve body with a fluid pathway and a valve plug held in an open position allowing water to flow through the pathway. As water flows through the pathway, a sensing device detects water flowing through the pathway and starts a timer. The valve closes the pathway, stopping the flow of water through the valve assembly when the time elapses. The valve assembly indicates whether the valve plug is in an open or closed position.

Abstract: A valve assembly comprising a valve stem, a valve body having an internal surface and an external surface along the valve body, and a kettle bulkhead member. The valve stem can have a parabolic end that facilitates a substantially linear fluid flow and can allow for better control of the fluid flow through the valve. The valve stem can have a o-ring that seals the liquid within the valve assembly and can also act as a detent preventing the valve stem to be accidentally removed from the flow cavity.

Abstract: An adjustable operating rod assembly is provided. In one embodiment a telescoping rod and tube are provided such that the length of the operating rod can be selectively adjusted in order to accommodate fluid inlet pipes of various lengths and regardless of manufacturer.

Abstract: A rotary switch type valve cap includes a casing including an accommodation space that is surrounded by the front, rear and top end walls and an air intake tube located at the rear end wall and kept in communication with the accommodation space, a rotating device pivotally mounted in the accommodation space and including two valve connectors respectively arranged at two opposite ends thereof in such a manner that when the second valve connector is disposed in a hidden position to face toward the top end wall, the first valve connector is disposed in an operating position to face toward a bottom side of the casing where the rotating device is disposed in its normal state, a lever pivotally mounted at the top end wall, a closure member mounted in the top end wall between the lever and the rotating device.

Abstract: The present invention describes a valve for controlling the passage of a microfluidic system. Said valve comprises a first valve element (103) and a second valve element (104, 105) with respective first and second contact surfaces which are placed opposite to each other in such a way as to control a fluid flow through said passage. Said first valve element comprising a flexible part and a rigid part.

Abstract: A collapsible support structure for flexible hoses has a a plurality of X-frames, each X-frame consisting of two opposing pairs of stringers, each pair of stringers is hingedly connected together at an axis point in the center region of each stringer, the pairs are connected at the distal ends of the stringers by bridge members (24), and adjacent X-frames are hingedly connected together at the distal ends of their stringers.

Abstract: A subsea system I provided for mounting a cable to a pipeline (1), having a holding means (2) for holding the cable, where the system further comprises a track (3) around at least parts of the circumference of the pipeline (1). The holding means (2) has a sledge element(4), and the track (3) and the sledge element are slidably connected such that the sledge element may move along said track.

Abstract: Disclosed herein is a cord control system in several embodiments used to support, separate, and organize power cords including: industrial grade power cords, cables, air hoses, open conduit including; vacuum hoses, oxygen hoses, welding leads, welding hoses, water hoses, data cables, cables, webbing, ropes, etc. Several examples of the cord control system has an optional cord retaining strap which secures and supports multiple cords of optionally varying types on a single cord control rack by utilizing multiple cord receivers.

Abstract: A system for holding in a conduit cables and/or ducts with different diameters includes a plurality of rubbery or rubber-like sleeves for inserting in such a conduit. The sleeves include a number of units of bonded sleeves which are oriented parallel to each other. Within each unit, the sleeves have corresponding outer dimensions. At least one unit has a sleeve having an inner diameter which differs from an inner diameter of a sleeve of at least one other unit of the number of units. The number of the units and the dimensions of the units are such that therewith a stack of units can be made. In the stack of units, each sleeve is also oriented parallel to any of the other sleeves. The stack of units has a rectangular shape of which each side is in detail shaped by the presence of a number of the sleeves and of which each edge is in detail shaped by the presence of one, two or three of the sleeves.

Abstract: A clamp device includes a clamping plate having a first side portion that is sized and shaped for reception into a channel defined by a bottom channel portion of one of the rails of the cable tray. The clamping plate has a second side portion configured for fastening to a cable tray support such that the bottom channel portion of the rail is clamped between the clamping plate and the cable tray support. The use of the clamp device increases the load-bearing capacity of the cable tray assembly over an identical cable tray that does not include the clamping plate.

Abstract: High flow capacity corrugated coilable dual wall plastic pipe having improved longitudinal flexibility and a bend radius sufficient to permit coiling and plowing of such pipe into the ground using automated installation equipment. The coilable dual wall pipe has an outer corrugated wall formed of a thermoplastic material such as high density polyethylene, and an inner smooth wall formed of a different more flexible and resilient thermo-bondable material that has an enhanced strain capacity and lower modulus of elasticity. The inner wall material also has enhanced mechanical properties which generally improve processing and help prevent excessive drag and tearing of the liner material during the manufacturing process.

Abstract: A high pressure gas hose and related methods of transporting high pressure gases in which gas permeability throughout a length of the high pressure gas hose is reduced. The high pressure gas hose can have an outer tube and the inner tube. The outer tube can be formed of a resistant polymer material such as PTFE. The inner tube can include a matrix formed of PTFE and graphene nano-platelets or nano-particles. The graphene nano-platelets define a tortuous path within the matrix such that gas permeability is reduced through an inner tube wall thickness. Gas permeability throughout a length of the high pressure gas hose can be less that about 20 ml/m/hr. The high pressure gas hose can find practical application in natural gas applications, automotive applications, cooling and refrigeration applications and other applications in which it is desired to have low gas permeability in high pressure applications.

Abstract: A cable bend limiter provides one or more joints including alternating sleeves and outer ball sections enclosing inner ball sections. Friction is controlled by washers at, or low friction surface treatments on, either side of the outer ball sections.

Abstract: A fitting assembly is provided with a first fitting component having a stepped wall surface; and a second fitting component radially spaced from the first fitting component when the fitting assembly is in a finger tight condition prior to pull-up. When the second fitting component is displaced into contact with the stepped wall surface during fitting pull-up, the stepped wall surface assists in separating the first fitting component from the second fitting component upon fitting disassembly.

Abstract: A rotary union includes a housing forming a bore and a piston bore having an open end and disposed at a radially offset distance with respect to the bore. The piston bore is fluidly isolated from the bore. A seal carrier is slidably disposed within the bore, and includes an actuation arm extending radially outwardly relative to the bore such that it overlaps the piston bore. A piston slidably disposed in the piston bore is extendible to releasably abut the actuation arm and urge the seal carrier to displace relative to the bore when the piston displaces relative to the piston bore.

Abstract: An end seal assembly configured to seal with a pipe. The seal assembly may include a cylindrical finned insert including an insert portion to be received in the pipe and a base portion at least partially facing the end face of the pipe, the insert portion having at least one annular fin extending radially outwardly, a pocket being formed between the at least one annular fin and the base portion, the at least one annular fin being deformable against the inner surface of the pipe; and a malleable annular end seal positioned near the pocket, the end seal being axially compressed between the base portion and the end face of the pipe and flowing around the end face to the inner surface of the pipe and into the pocket to inhibit fluid from passing from the inner surface of the pipe to the end face of the pipe.

Abstract: A gas container connecting adapter includes: a body coupled to a gas container by a gas container coupling unit, having a gas supply passage, and configured to discharge gas supplied from the gas container; and a sealing unit provided at an inlet of the gas supply passage, configured to prevent gas supplied from the gas container coupled to the gas container coupling unit, from leaking to the outside of the gas supply passage, and having a plurality of sealing means selectively contacting a nozzle of the gas container according to a shape of the nozzle. With such a configuration, the gas container connecting adapter can prevent gas leakage to the outside, by maintaining a sealed state even when gas containers of various shapes are coupled to the single gas container connecting adapter.

Abstract: A muffler, in particular a rear muffler, for an exhaust gas system of an internal combustion engine, in particular a motor vehicle engine, comprises a housing, in particular a housing having a jacket and two end walls, and comprises at least two pipes which are plugged into one another and which are at least partly received by the housing, in particular at least one inlet or outlet pipe which is in particular led through the jacket and which is connected to an inner pipe. The first pipe has a pipe piece into which a pipe piece, in particular an end section, of the second pipe is plugged. The pipe piece of the second pipe is provided with nubs at its outer boundary which engage into cut-outs provided in the pipe piece of the first pipe. In this respect, the cut-outs are dimensioned larger with respect to the nubs so that the end section is, on the one hand, fixed in the pipe piece but can be axially displaced to a limited degree relative to the pipe piece.

Abstract: The present invention provides a quick connector device that includes: a connector body that has two fluid hose connectors located at two ends and an injector port connector located at a middle bottom section thereof; a locking member that is inserted into and rotatably connected to the injector port connector of the connector body and detachably coupled to the injector port; and an o-ring that is coupled to the injector port connector of the connector body and provides a sealing to the injector port. The connector body includes a support rib and a receiving space that securely maintain the locked state and allow the technician to easily assemble/disassemble the device. The quick connector device allows the technician to determine whether the device is in the locked or unlocked state based on the angular position of the locking member.

Abstract: A coupling part coupling with a corresponding coupling part of a coupling for pressure medium lines has a housing having a flow channel and a coupling axis, and a sleeve-like closing valve displaceable back and forth axially within the flow channel, for closing off the flow channel in the uncoupled state of the coupling part. The closing valve has a closed valve position and an open valve position, closing off and not closing the flow channel, respectively. A plunger within the flow channel displaceable back and forth axially drives the closing valve in a valve opening direction during coupling. A plunger pin between the plunger and the closing valve within the flow channel, displaceable back and forth axially, transfers the movement of the plunger in the valve opening direction to the closing valve. The plunger pin is connected with the closing valve so as to be non-displaceable axially.

Abstract: A fluid manifold includes: a main body defining a fluid pathway; and a plurality of ports coupled to the main body and in fluid communication with the fluid pathway, wherein each of the ports includes a first termination. Each first termination is configured to be coupled to a respective fluid coupler in a fluid tight manner using one or more of the following techniques: overmolding; sonic welding; spin welding; snap joints; heat welding; plastic welding; solvent bonding; vibration welding; and induction welding.

Abstract: A branch pipe tee for a rail car having a length that is below standard. The branch pipe tee has a standard mount for connecting to the brake pipe and branch pipe as well as integral volume that compensates for the reduced brake pipe length of the rail car. The integral volume is dimensioned to make the effective brake pipe length of rail car fall within standard ranges so that the braking system of the rail car can perform normally and avoid the need for additional equipment to compensate for the length of the rail car.

Abstract: The Water Distribution and/or Wastewater Collection System is specifically applicable in permafrost and cold climates in which water and wastewater systems may be subjected to freezing. The Water Distribution and/or Wastewater Collection System is applicable to domestic, industrial, recreational and institutional water distribution and wastewater collection systems including transmission, distribution and collection mains and service connections. The Water Distribution and/or Wastewater Collection System uses an pre-insulated double pipe conduit/casing containing the water and/or wastewater systems and hydronic piping or electric heat tracing. The system design is simple, practical for horizontal directional drilling and economical when compared to conventional permafrost utilidors or insulated and heat traced pipes or deep bury installations, or water bleeding to prevent freezing.

Abstract: A method for controlling a pipeline system is provided. The method includes powering on an electrical heating source for heating the pipeline system. The method further includes powering off the electrical heating source, powering at least a sensor along the pipeline system for measuring a physical property, and communicating the measured data to a remote communication destination.

Abstract: An orifice condensate trap (i.e. a condensate removal device having a condensate drainage channel with a constricted passage therein) in which a magnet is disposed upstream of the orifice to capture impurities, e.g. magnetic particles, suspended or otherwise carried in the condensable gas or condensate. The magnet may be used in tandem with a mechanical filter, e.g. strainer. The magnet may be formed as part of a cap or plug (48) for closing an access opening opposite to an upstream opening of the constricted passage. For example, the plug may be formed of magnetic material, e.g. a magnetic variant of stainless steel.

Abstract: A pressure plug is disclosed and includes a circular and threaded plate, a flexible sealing collar, a pressure plate, and a T handle. The circular threaded pate receives the bottom edge of the flexible sealing collar in a stepped upward surface, and the pressure plate is placed on top of the sealing collar. The threaded plate has a shaft extended upward from its center and towards a hole in the top pressure plate having an angled surface on its outer bottom face. The T handle is threaded onto the threaded shaft, and as the T handle is tightened the two plates are pulled toward each other. This forces the upper edge of the sealing collar outwardly against the inside diameter of the pipe, thereby creating a seal. By sealing both ends of the pipe, then the heated pipe can be re-shaped, while the contained pressure prevents collapsing or kinking of the pipe.

Abstract: Systems and methods for the repair and maintenance of pipelines are disclosed. An example embodiment includes a pipeline maintenance apparatus comprising: a skid for insertion into a pipe, the skid being fabricated from a low-friction material, the skid being configured with sloped or angled ends; a plumber's snake being removably connected to a rear or trailing end of the skid; and a camera being removably encased in the forward end of the skid.

Abstract: Disclosed is a pig assembly for maintaining a multi-diameter functional line with a large range of diameter variation for conveying fluid. The pig assembly includes a central shaft having a first shaft end and a second shaft end and at least one cylindrical pig body coaxially mounted on the central shaft. Attached to the at least one pig body are a plurality of arms capable of moving between an extended position radiating from the at least one pig body and a retracted position within the at least one pig body. Each of the pluralities of arms includes a spring to enable each arm of the plurality of arms to move into the extended position and to store potential energy when the arm is in the retracted position, and a roller to enable rolling contact between the pig assembly and an interior of a functional line during movement of the pig assembly within the functional line.

Abstract: A modular robotic assembly including a first and second pod assembly. The first pod assembly including a first frame assembly extending a first length along a first longitudinal axis, a displacement assembly housed at least partially within the first frame assembly, and a shaft rotatably supported by the displacement assembly at a first end region of the shaft. The shaft extending out of the first frame assembly and coupled with a tooling attachment at a second end region of the shaft. The second pod assembly operably coupled with the first pod assembly such that the first and second pod assemblies operate as a functional unit to perform a task within a conduit. The second pod assembly including a second frame assembly extending a second length along a second longitudinal axis, and a drive mechanism configured to provide movement for the functional unit.

Abstract: Disclosed are methods and systems for reducing the risk of oxidation of hydrate inhibitors such as monoethylene glycol used to prevent the formation of hydrates in fluid handling systems including flow lines and pipelines. A hydrate inhibitor storage tank in fluid communication with the fluid handling system is used to hold a volume of liquid hydrate inhibitor, a volume of blanket gas and a layer of a liquid, nonflammable at operating conditions, therebetween. The liquid is immiscible with glycol.

Abstract: The invention relates to a corrugated, thermally insulated conduit for fluids, e.g. for district heating networks, wherein at least one medium pipe (2) made of plastic or metal is surrounded by a thermal insulation layer (14), consisting of a polyurethane foam for example. The corrugation (25, 26) of the outer jacket (15) made of plastic is formed such that both the corrugation valleys (25) and the corrugation peaks (26) are round, particularly circular. In addition, the corrugation is dimensioned such that the corrugation depth T lies in a range of 4.5 mm to 8 mm for a conduit outer diameter range of 63 mm to 202 mm. This shaping and dimensioning of the conduit results in very good flexibility and thus the ability to roll up the pipe for the transport thereof.

Abstract: An inorganic fiber containing silica and magnesia as the major fiber components which further includes an intended strontium oxide additive to improve the thermal stability of the fiber. The inorganic fiber exhibits good thermal performance at 1260° C. and greater for 24 hours or more, retains mechanical integrity after exposure to the use temperature, and exhibits low biopersistence in physiological fluids. Also provided are thermal insulation product forms, methods of preparing the inorganic fiber and of thermally insulating articles using thermal insulation prepared from a plurality of the inorganic fibers.

Abstract: An insulated high-temperature transport conduit for use in undersea environments. The conduit comprises a continuous steel pipe having at least a first layer of thermal insulation provided over its outer surface. The first layer of thermal insulation comprises a polymer composition having a thermal conductivity of less than about 0.40 W/mK and long-term heat resistance at continuous operating temperatures within the range from about 150° C. to above about 205° C. The first thermal insulation layer comprises a polymer composition comprising a polymer selected from the group consisting of one or more fluoropolymers, hydrogenated nitrile butadiene rubber (HNBR), and a blend of one or more fluoropolymers with HNBR. The conduit may further comprise second and third layers of insulation on top of the first layer, along with a corrosion protection coating underlying the first thermal insulation layer.