Abstract: A fuel pressure pulse damper includes metallic damper body defining a chamber in which a flexible diaphragm is received in a manner to dampen fuel pressure pulses between a fuel pump and fuel injectors of a vehicle fuel system. The damper body includes a barbed fitting to receive fuel form the fuel pump and quick connect fitting for connection to a fuel rail for supplying pressurized fuel to fuel injectors of the vehicle engine.

Abstract: Natural gas pipe repair fittings and methods for using same allow safely welding a pipe repair fitting over a leaking natural gas service line “T” fitting. A bottom half and a top half are welded together to form a hollow cylinder having hemispherical ends with semicircular pipe notches in them. A hollow vertical pipe has one end welded over a pipe hole in the middle of the top half of the cylinder. A hemispherical cap is affixed to the opposing end of the vertical pipe. The cap has a cap hole in its top. A method for installing the natural gas pipe repair fitting by enclosing a leaking natural gas service line “T” fitting with the natural gas pipe repair fitting and welding the natural gas pipe repair fitting to the gas main line is also disclosed.

Abstract: A hydraulic accumulator includes an accumulator housing (1) and a diaphragm (3) forming a displaceable partition element in the housing between a gas chamber (7) and a liquid chamber (5). The membrane has several annular regions (31, 33, 35, 37, 39), interconnected by annular weak points (61, 63, 65, 67, 69, 71). The annular regions (31, 33, 35, 37, 39), have protuberances (81, 83, 85, 87, 89) on the interior face of the membrane (3) facing away from the wall of the accumulator housing (1). The protuberances are at their thickest in the central region between adjacent weak points, thus increasing the wall thickness of the membrane (3), and are at least partially convex (91,93), tapering off to a respective flat form towards the weak points.

Abstract: A method and apparatus for reinforcing duct work is provided. In one embodiment, a reinforcement comprises a conduit having a first end and a second end. A pair of plugs is insertable into the first and second ends of the conduit. Each of the plugs has a groove extending along the circumference of the plug, and the plugs are crimped inside the conduit along the grooves. Each of the plugs may have a threaded end extending out of the plug and being retractable into said plug. Alternatively, each of the plugs may have an internally threaded opening extending at least partially through the plug. In this embodiment, the conduit can be secured to duct work by aligning the conduit with holes in the duct work, and inserting a bolt through the holes and into the internally threaded openings of the plugs.

Abstract: An apparatus for stopping a high pressurized fluid from escaping a rupture in a pipeline including a support member having a first end, a second end, and an outer surface, an inner inflatable bladder, an outer material layer, and an inflation hose. The inner inflatable bladder sealingly engages the first end and the second end of the support member and substantially covers the outer surface of the support member. The inner inflatable bladder includes a material layer substantially impermeable to fluid. The outer material layer substantially encases the inner inflatable bladder and sealingly engages the first end and the second end of the support member. The outer layer is formed of a woven fabric material capable of withstanding high inflation pressures of approximately 100 psi. The inflation hose supplies pressurized fluid between the outer surface of the support member and the inner inflatable bladder.

Abstract: A flexible pipe and a method of manufacturing same according to which a tubular sheath is provided that defines a longitudinal passage for receiving a conveyed fluid, a tape is formed by a plurality of metal fibers supported by a strip of flexible material to form a tape, and the tape is wound around the sheath.

Abstract: Tube for pumping a space between two tiles, comprising a metal end-piece 9 and a glass tube 25 bonded together via a glass-to-metal seal 26; the metal end-piece 9 has shoulder means 3. Such a tube is especially intended to be fitted onto plasma displays or field emission displays. This tube is inexpensive and allows rapid and precise handling and fitting.

Abstract: A casing spacer comprised of high strength plastic includes two complementary nut and bolt connected members each having an arcuate inner portion adapted for tight-fitting engagement with a pipe's outer surface and plural linear ribs (risers) extending radially outwardly from the arcuate inner portion and adapted to engage an inner surface of an outer casing maintains the pipe in fixed position within the casing. The arcuate inner portion of each member is flexible so that its entire inner surface contacts the pipe's outer surface for a range of pipe diameters, permitting only two members of fixed size to be used with variously sized pipes. Each casing spacer member includes an aperture in its flexible, arcuate inner portion which is disposed between aligned risers and is adapted to receive and retain a non-slip member frictionally engaging the pipe's outer surface for maintaining the casing spacer in fixed position on the pipe.

Abstract: The present invention provides an improved tubular structure which uses the properties of different materials, such as stiffness, strength, and density are exploited in a manner which combines the most attractive characteristics of existing metal and composite tubes into a metal/composite tube which contains performance characteristics (stiffness, strength or weight) not possible with pure metal or composite materials. For example, an improved tube is suitably created with a conventional metallic tube structure (e.g., steel, aluminum, titanium or the like). The original tube is modified with a secondary operation such as machining, punching, laser cutting or the like to remove various portions of the original tube wall, resulting in a tube with some pattern of “holes” or “cutaway” sections, thus resulting in a lighter tube. The tube is then suitably “fused” with composite material.

Abstract: A static hydro-dynamic mixer undulating interior conduit provides a static mixing apparatus which utilizes a spiral, coiled or curved conduit to cause dynamic mixing of its flowing contents while they are pumped through it. The application includes a method of use in separating oil sands. The mixing is caused by the resistance to flow through the undulated conduit and the resistance increases with pitch and conduit diameter.

Abstract: The sealing apparatus (100) is used in a substantially vertical position by the user, who inserts a magazine pack containing nails into the hopper (101). After unlocking of the hopper (101), the nails slide in the flexible feed tube (10) as far as the front of a feeder for indirect firing, in a buffer guide (102). The user then merely has to actuate a trigger (103) in order to entrain the nails into the support via the feeder. In order to preserve the transparent quality of the tube (10), its effective inner cross section (21) is not circular, but is arranged (23) such that the contact between the lateral wall of the circular head of the nail (1) and the effective inner wall (21) of the tube (10) is not possible on certain portions (22) of the effective inner wall (21).

Abstract: A flexible, fiber reinforced pipe has been invented for conveying fluids. The pipe is flexible enough to be spoolable, even under winter temperature conditions. The pipe can contain pressure, when buried, unrestrained and bent. The pipe exhibits impact resistance under normal handling and can be formed using a continuous process, such that it can be manufactured as it is being laid. A flexible, fiber reinforced pipe includes an inner tubular liner having an inner surface and an outer surface; a first layer of reinforcing fibers helically wrapped about the inner liner and in direct contact therewith; an outer layer of reinforcing fibers helically wrapped about an underlying layer of reinforcing fibers and in direct contact therewith; and an outer tubular sheath applied over the outer layer in direct contact therewith.

Abstract: Flexible, armored pipes and methods of using the same are disclosed. In an exemplary embodiment, the flexible, armored pipe includes an inner liner which is surrounded by a pressure armor. The inner liner may be built-up by joining together profiles that have a number of recesses. In one embodiment, the profiles are configured as K-profiles, which have recesses that are arranged in adjoining surfaces of the profile. When the profiles are brought together, the recesses form a cavity in which a locking element can be inserted, the function of which is to prevent displacement of the K-profiles at right-angles to the axial direction of the pipe when exposed to axial, compressive forces. The locking element can be I-shaped, circular or configured as a wire with a C-shaped cross-section. The locking element can also be made either of a rigid or an elastic, deformable material. With a C-shaped locking element, the whole of the cavity, which is formed by the recesses, is not filled out.

Abstract: A flexible pipe in which a layer of wound tape extends adjacent a surface of a tubular member to limit or prevent molecular migration through the tubular member.

Abstract: A tendon receiving duct having a tubular body with a plurality of corrugations extending radially outwardly therefrom. Each of the corrugations is in spaced relationship to an adjacent corrugation. The tubular body has an interior passageway suitable for receiving single tendon therein. Each of the corrugations opens to the interior passageway. The tubular body has at least a first longitudinal channel extending between adjacent pairs of the corrugations on one side of the tubular body and a second longitudinal channel extending between adjacent pairs of the corrugations on another side of said tubular body.

Abstract: The invention is aimed at generating a finely dispersed gas-and-drop flow with its cross-section in the shape of an ellipse and uniform intensity distribution. A fluid spray nozzle is built in the form of a body (1) with two coaxial channels (2) of the same cross-section designed for head liquid supply and a nozzle having a shape of a conical diffuser (3). The diffuser (3) is oriented transverse to the channels, the area of its inlet orifice not exceeding the total cross-section area of the channels. The fire extinguisher fitted with a fluid spray nozzle comprises a liquid vessel (4) for fire extinguishing, a liquid expulsion system, a pipeline (11), connecting a liquid cavity (5) of the vessel (4) to a spray nozzle and at least one valve or a regulator (8) to control the liquid supply to the spray nozzle.

Abstract: A piping device for use in a cutting oil coater includes an oil supply path, a narrower path connected with the oil supply path and having an inside diameter smaller than that of the oil supply path, an oil tube, for feeding liquid oil to the oil supply path, a gas tube for feeding a gas to the oil supply path, where it mixes with the oil and changes it into a droplet state, an air space into which the oil is discharged from the narrower path, and is changed into a spray, a wall defining the air space having a recess, and a plurality of branch paths into which the oil impinges on the recess flows, with a substantially even flow distribution in each branch path, wherein a vertex of the recess and an end of the narrower path face each other. The apparatus suppresses an uneven distribution of flow rate of oil discharged into the air space.

Abstract: A small diameter metal tube having at least two inner diameters is provided. A method for producing this metal tube is also provided. In this method, a plate member having a development shape of the metal tube is blanked from a metal thin plate so that the plate member is left partly tied to the metal thin plate, the plate member is press formed into a tubular body having the at least two inner diameters, and the plate member partly tied to the metal thin plate is cut apart to produce the metal tube having at least two inner diameters.

Abstract: A lockable assembly for hermetically sealing an opening consists of a threaded wing bolt, a domed capping plate having an annular axial hole and means for locking the assembly, an elastomeric sealing gasket, and a base plate having a threaded axial hole for receiving the threaded bolt. Positioning the gasket between the capping and base plates, the bolt is inserted through the assembly, then base plate first the assembly is inserted into the opening to be sealed. A flange on the gasket and the capping plate support the assembly on the rim of the opening to be sealed. Screwing the bolt into the assembly urges the plates toward one another compressing and deforming the gasket radially outward creating the seal. Accompanying frictional forces between the gasket and inner surface of the opening to be sealed along with the locking means prohibit the removal of the assembly by unauthorized persons.

Abstract: A conduit for the transport of cryogenic media, in particular a superconducting cable, includes at least two metal pipes arranged concentrically and spaced apart from one another, an insulation layer being situated in the annular gap between the metal pipes and the annular gap being evacuated. The exterior of the metal pipe (4) is separated at predetermined intervals and above each opening a pump connector (10) is welded vacuum-tight to the outer metal pipe (4).