Abstract: An arrangement for influencing the flow of an exhaust gas of a gas turbine in a channel that preferably leads to a waste-heat exchanger or boiler. A flow grating is disposed transversely in the channel at an end of the channel that faces the gas turbine. The flow grating partially obstructs the cross-sectional area of the channel, and is provided with passages.

Abstract: A fluid calming member (18, 118, 218) for use in a fluid carrying arrangement (10) is disclosed. The fluid calming member is formed of a material that includes a porous metallic material.

Abstract: A laminar flow tool is for channeling water, air or other fluids through a down drill pipe or tubing for pressurization of other tools or other purposes. The tool provides a flow divider having an 180 degree twist separating a driven fluid chamber from a buffer fluid pocket. Fluid in the tool is calmed as it travels and loses some of the spin (“turbulence”) inherent in the water or other fluid. A buffer pocket on one side absorbs shocks and stabilizes the driven side. Ports in the buffer side help equalize pressure.

Abstract: Various embodiments of waterjet cutting systems are described herein. In one embodiment, a waterjet cutting system includes a waterjet cutting device coupled to a pressurized water source. The waterjet cutting device includes a waterjet cutting head and a fluid conduit configured to carry pressurized water to the waterjet cutting head. The fluid conduit has a wall defining a longitudinal passage through which the pressurized water travels. The fluid conduit also has a through hole extending from the outer surface of the wall to the longitudinal passage. The through hole has a cross-sectional shape with a maximum longitudinal dimension generally parallel to the longitudinal passage and a maximum latitudinal dimension generally perpendicular to the longitudinal passage. In one aspect of this embodiment, the maximum longitudinal dimension is greater than the maximum latitudinal dimension. Methods of forming fluid conduits according to various embodiments are also described herein.

Abstract: A baffle for an automotive fuel tank that can be firmly fixed in the fuel tank and prevent flow noises effectively. The baffle is established in a fuel tank in which touching portions are formed in such a manner that a predetermined portion of an upper wall protrudes down and inward and a predetermined portion of a lower wall protrudes up and inward in the corresponding position. A fixing baffle plate and a pressing baffle plate are provided including fixing portions formed on both sides of plate portions having a plurality of holes. A baffle filter is disposed between the plate portions of the baffle plates and fixed as the baffle plates are assembled with each other. The baffle is fixedly established by suspending the fixing portions of the two baffle plates on both sides of the touching portions such that the baffle stands vertically in the fuel tank.

Abstract: Methods and devices are described for reducing flow resistance in a flow restrictor during high flows.

Abstract: A combined exhaust gas aftertreatment/dust ejector unit (10) is provided for use with a combustion process (14) and an air cleaner (16) of the combustion process (14). The unit (10) includes an elongate housing (30) containing an exhaust gas aftertreatment device (40) and having a radial exhaust gas outlet (34) to direct an exhaust gas flow (12) radially from the housing (30), and a dust ejector (60) including an ejector outlet (62) positioned in the exhaust gas outlet (34). The exhaust gas outlet (34) and the ejector outlet (62) have elliptical shaped cross sections (68,70), with the ejector outlet cross section (70) spaced inwardly from the exhaust gas outlet (34) to define a reduced flow area (72) for the exhaust gas flow (12) to accelerate the exhaust gas flow (12) past the ejector outlet (62).

Abstract: Systems to provide distributed flow control actuation to manage the behavior of a global flow field, are provided. An example of a system can include an aerodynamic structure having an outer surface, and an array of a plurality of nano-scale effectors connected to the outer surface of the aerodynamic structure to be in fluid contact with a flowing fluid when operationally flowing, to induce controlled, globally distributed disturbances at a viscous wall sublayer of a turbulent boundary layer of the flowing fluid when operationally flowing and to manipulate fluid behavior of the flowing fluid to thereby substantially reduce pressure loss associated with incipient separation of the fluid flow from portions of the aerodynamic structure.

Abstract: An exhaust treatment device includes an inner shell, an outer shell and insulation material positioned between the inner shell and the outer shell. An inlet tube has an end in communication with a cavity defined by the inner shell. A substrate for treating engine exhaust is positioned within the inner shell. A baffle plate includes a plurality of apertures positioned such that the exhaust passes through the apertures prior to entering the substrate. The baffle plate supports an end of the inner shell and the inlet tube.

Abstract: A delivery device for thin-film material deposition has at least first, second, and third inlet ports for receiving a common supply for a first, a second and a third gaseous material, respectively. Each of the first, second, and third elongated emissive channels allow gaseous fluid communication with one of corresponding first, second, and third inlet ports. The delivery device can be formed from apertured plates, superposed to define a network of interconnecting supply chambers and directing channels for routing each of the gaseous materials from its corresponding inlet port to a corresponding plurality of elongated emissive channels. The delivery device comprises a diffusing channel formed by a relief pattern between facing plates. Also disclosed is a process for thin film deposition. Finally, more generally, a flow diffuser and a corresponding method of diffusing flow is disclosed.

Abstract: A discharge elbow provided with guide vanes includes an elbow of rectangular cross section and magnification f of 1<f?5, one or more guide vanes disposed in the elbow, wherein the guide vane or the guide vanes are made of a curved plate and a pair of flat plates connected to the curved plate. One of the flat plates is located in front of the curved plate and the other is located to the rear of the curved plate. M-number of sub-channels similar to one another are formed in the elbow based on particular formulas, wherein the inner sidewall of the elbow is deformed into a curved plate coaxial with the curved plate of the adjacent guide vane to deform n=1 sub-channel into a coaxial bend channel provided with a uniform breadth equal to the inlet breadth b1 of the sub-channel.

Abstract: A vehicle transmission fluid cooler system includes a transmission fluid cooler and an airflow ducting assembly engaged therewith. The airflow ducting assembly is provided to increase the amount of airflow directed toward the transmission fluid cooler so as to improve the cooling performance thereof, and includes a dam member, a duct member, and air guides. The duct member forms a passage communicating an airflow inlet opening with an airflow outlet opening. The dam member operates to scoop and direct airflow into the airflow inlet opening, and the air guides cooperate with the dam member to increase the amount of airflow scooped by the dam member which is directed into the airflow inlet opening. The airflow outlet opening is positioned to direct the airflow which has passed through the duct member to the transmission fluid cooler.

Abstract: A pipeline segment 5, used for the manufacture of a thin-walled underwater pipeline 50. Terminal pipe sections 20 are at either end of main pipe section 10. Terminal pipe sections 20 are thick-walled or otherwise resistant to collapse due to external pressure. A pressure isolation device 30 maintains an internal pressure in main pipe section 10 above a shut off pressure. A pressure compensation system 35 can protect main pipe section 10 from collapse due to external pressure. Pipeline segments 5 can be manufactured by connecting and winding stalks 100 onto storage device 110 forming main pipe section 10. Terminal pipe section 20 can be connected to the lead end of main pipe section 10, and main pipe section 10 can be unwound from storage device 110 while towing.

Abstract: A heat exchanger tube includes protrusions extending into the internal volume to turbulate a fluid flow for improved heat transfer. The protrusions are arranged to provide dimpled and un-dimpled regions in order to provide increased heat transfer together with decreased pressure drop. A method of transferring heat by flowing a fluid into a tube, turbulating the fluid in a dimpled first tube section, developing a thermal boundary layer in an un-dimpled second section, and turbulating the fluid in a dimpled second tube section is also presented.

Abstract: A system for conveying fluid includes a conduit segment and a pump disposed downstream of and fluidicly coupled to the conduit segment. The conduit segment has an interior volume for conveying the fluid in a predetermined direction of flow and a plurality of elongate vanes disposed within the interior volume.

Abstract: Apparatus is disclosed for substantially reducing the momentum, velocity, or both of a first liquid that is flowing into a second liquid. The device allows one to substantially reduce or even eliminate large-scale turbulent eddies that could otherwise be produced by liquid flowing into or within a vessel, for example in a clarifier. Suitably-sized and positioned plates and baffles induce changes of flow direction in a limited volume. By the time the fluid leaves this volume, the fluid velocity is low, and turbulence is nearly or entirely eliminated. Several of the devices may be placed at different inputs within a single clarifier, and thus increase efficiency further.

Abstract: Methods and apparatus for transmitting a fluid through the core of a metal sandwich structure. Improved metal sandwich sheet structures include a formed metal core that is brazed, welded, or bonded to two outer flat metal sheets at a series of interleaving surface regions. The inventor has recognized that fluids (e.g., liquid and/or gaseous substances) can be transmitted through the cavities of these structures in order to accomplish thermal conduction or as a means of servicing particular regions of a building, vehicle, device, or other work of construction.

Abstract: An air turning vane and rail assembly including a pair of rails, a plurality of tabs having a height distance H, a plurality of air turning vanes, each of the turning vanes including a single sheet of metal that is folded in a U-bend to form elongated generally rectangular upper and lower walls, each wall having opposite end edges, the upper wall in end view defining an arc of a first radius of curvature, and the lower wall in end view defining an arc of second radius of curvature greater than the first radius of curvature, and a plurality of crimp spots spaced apart from each other in the lengthwise direction extending transversely through the marginal portions of the upper and lower walls each.

Abstract: An elongate flow tube having an interior cross-section surrounding a long axis, an inlet end for receiving a fluid flow and an outlet end for discharging the fluid flow, and a diffuser plate spanning the interior cross-section to separate the flow tube into an inlet chamber and an outlet chamber. The diffuser plate includes a plurality of apertures formed therein for directing the fluid flow from the inlet chamber to the outlet chamber. Furthermore, the diffuser plate is orientated longitudinally at a shallow angle with respect to the long axis of the flow tube to provide an indeterminate pulsation reflective surface, with the inlet chamber gradually decreasing in cross-sectional area and the outlet chamber gradually increasing in cross-sectional area across the length of the flow tube.

Abstract: Disclosed is a device for causing turbulent flow in a tank assembly that has an internal fluid cell and a fitting for allowing fluid to enter and exit the fluid cell from the exterior of the tank assembly. The device includes a main body portion and first and second retaining arms. The first and second retaining arms extend from the main body portion of the device and are adapted and configured for supporting the device substantially within the fitting of the tank assembly. A plurality of curved vane elements extend from the main body portion which cause turbulent flow in the fluid cell of the tank assembly by redirecting fluid entering the tank assembly axially through the fitting in a non-axial direction into the fluid cell.

Abstract: Disclosed is a device for causing turbulent flow in a tank assembly that includes, inter alia, a base portion and a vane element that extends in an axial direction from the base portion. The vane element has a curved surface formed at a distal end thereof which is adapted and configured to redirect fluid traversing the device axially in a non-axial direction. Still further, a plurality of shoulder elements extend radially outward from the axis of the vane element and are adapted and configured for limiting that axial insertion of the device into a fitting associated with the tank assembly. In an embodiment of the present invention, the vane element includes lateral edges which are adapted and configured for press-fit engagement with an inside diameter of the fitting associate with the tank assembly.

Abstract: An apparatus and method for redirecting fluid flow in a plenum provides flow performance (quality), structural, and economic advantages by using an array of flat blades that is mounted at an angle with respect to the inlet (upstream) fluid flow, such that the blades are tilted with respect to that flow and correspondingly redirect the flow in a desired direction. The apparatus, also referred to as a “GSG” or “graduated straightening grid,” has a range of applications, and offers a number of performance, structural, and economic advantages in large-scale applications. As a particular, but non-limiting example, one or more embodiments of the flow-redirecting apparatus taught herein are configured for use in Selective Catalytic Reduction (SCR) systems where catalytic reactors are used for scrubbing industrial flue gases.

Abstract: A labyrinth channel for reducing pressure and/or flow rate in a liquid flowing in the channel, the labyrinth channel having a bottom surface and first and second opposing walls and comprising: a first array of spaced apart first baffle teeth that have non-parallel upstream and downstream faces and extend from the first wall towards the second wall to terminate in an end; and a second array of spaced apart second baffle teeth that have non-parallel upstream and downstream faces and extend from the second wall towards the first wall to terminate in an end; wherein baffle teeth in different arrays have a substantially same shape and upstream faces of closest baffle teeth in different arrays are different and/or downstream faces of closest baffle teeth in different arrays are different.

Abstract: The invention relates to a plastic molded pipe, in particular for fuel-conducting return lines in injection systems for internal combustion engines. The plastic molded pipe has an inner pipe and an outer encapsulation made of a plastic material with connectors for additional components of the fuel injection system. The inner pipe is embodied as a plastic inner pipe with at least one bend.

Abstract: An air turning vane and rail assembly including a pair of rails, a plurality of tabs having a height distance H, a plurality of air turning vanes, each of the turning vanes including a single sheet of metal that is folded in a U-bend to form elongated generally rectangular upper and lower walls, each wall having opposite end edges, the upper wall in end view defining an arc of a first radius of curvature, and the lower wall in end view defining an arc of second radius of curvature greater than the first radius of curvature, and a plurality of crimp spots spaced apart from each other in the lengthwise direction extending transversely through the marginal portions of the upper and lower walls, each two adjacent crimp spots being spaced apart from each other in the lengthwise direction a distance L which is less than the distance H.

Abstract: An artificial or modified natural blood flow tubing has a helical-flow inducer to induce helical flow in such a fashion as to eliminate or reduce turbulence. One inducer is a tubular stent of expansible mesh having a helical vane.

Abstract: A fluid pathway is provided with a flow controller in at least a portion of its length wherein the flow controller comprises an active surface capable of influencing the fluid flow through the fluid pathway, the configuration of the active surface conforming to at least one logarithmic curve conforming to the Golden Section.

Abstract: A fan duct includes a top plate, two side plates extending downward from opposite sides of the top plate, and plural guiding plates extending downward from the top plate. The side plates and the top plates cooperatively define an air inlet and an air outlet. The air inlet and the air outlet are located at another two opposite sides of the top plates, respectively. The guiding plates are located between the side plates and adjacent to the air outlet. Each of the guiding plates forms a guiding face facing the air inlet. The guiding face is obliquely oriented with respect to the top plate. An electronic device incorporating the fan duct is also provided.

Abstract: Apparatus including a rigid fluid-permeable body, having a first non-planar fluid-permeable body surface, and having a second fluid-permeable body surface; a plurality of fluid-permeable cells in the fluid-permeable body; and a plurality of raised micro-scale features on the first fluid-permeable body surface. Apparatus including a fluid-permeable body having first and second fluid-permeable body surfaces; a plurality of fluid-permeable cells in the fluid-permeable body; a plurality of raised micro-scale features on the first fluid-permeable body surface; and a fluid containment body forming, together with the second fluid-permeable body surface, a second fluid containment structure. Methods, utilizing an apparatus, of treating a liquid with a fluid, and of maintaining a superhydrophobic surface.

Abstract: A fluid handling device with an anisotropic wetting surface including a substrate with a multiplicity of asymmetric substantially uniformly shaped asperities thereon. Each asperity has a first asperity rise angle and a second asperity rise angle relative to the substrate. The asperities are structured to present a desired retentive force ratio (f1/f2) greater or less than unity caused by asymmetry between the first asperity rise angle and the second asperity rise angle according to the formula: f3/f2=sin(?3+½??0)/sin(?2+½??0).

Abstract: There is disclosed an insert (2) for a conduit (4) adapted to effect helical flow in the conduit (4) comprising a longitudinally extending member having a helical formation.

Abstract: An electrically conductive confined space ventilation conduit formed of a substantially rigid non-metallic conductive material, such as plastic, and a related process for ventilating an enclosure accessed by a manhole or other port. In one embodiment, the conduit has a pair of outer cylindrical sections and a central section having a cross-sectional shape of a crescent or a segment of a circle where it passes through a port to provide a minimum of obstruction for men and equipment passing through the port. Intermediate sections of varying cross-section connect the central section to the cylindrical outer sections so that the outer sections are offset from the axis of the manhole. The central section is preferably configured to obstruct no more than about 10 percent of a standard manhole opening, while causing either no air flow rate reduction, or a reduction of no more than about 10 percent as compared to the flow rate through a cylindrical conduit similar to said outer sections.

Abstract: A flow conditioner for use within a conduit conditions flowing media within the conduit to provide a swirl-free, symmetric, and reproducible velocity profile regardless of upstream flow distortions, disturbances, or anomalies. Tabs are cut from a single plate and bent or affixed to provide conditioning of the flowing media. Single tabs or tab pairs emanating from common vertices can be formed so that they diverge in, or against, the direction of flowing media. The flow conditioner requires as little as three pipe diameters to condition the flow stream allowing close placement to elbows, valves, tees, and other disturbances typically seen in industrial plants.

Abstract: A fluid pathway is provided with a flow controller in at least a portion of its length wherein the flow controller comprises an active surface capable of influencing the fluid flow through the fluid pathway, the configuration of the active surface conforming to at least one logarithmic curve conforming to the Golden Section.

Abstract: Certain example embodiments relate to an in-line scalable system that may be used in the combustion deposition depositing of thin films. The systems of certain example embodiments may comprise one or more modules, with each such module including at least one burner and at least one high volume cooling section. In certain example implementations, multiple burners and multiple cooling sections are provided to a single module in alternating order. The systems of certain example embodiments may, in addition or in the alternative, comprise a combined flame guard and exhaust system. The combined flame guard and exhaust system of certain example embodiments advantageously may provide a means to reduce the amount of interference of the deposition process by ambient conditions, improve flame uniformity in the deposition zone, contain and exhaust combustion products while reducing restrictions to the stable operating space of the combustion deposition process, etc.

Abstract: A filling nozzle is provided which has a high flow straightening effect and is capable of forming a stable liquid flow of a circular cross section. In a filling nozzle in which a flow straightening member for straightening the flow of liquid is arranged in a hollow nozzle body, a flow straightening plate with a multitude of fine holes formed therethrough so as to pass the liquid therethrough is used a the flow straightening member, and a divergent chamfered portion, which act as a guide means for guiding fine streams of liquid flowing out from adjacent individual fine holes in a direction to bring them into contact with one another, is formed on an opening edge of an outlet of each fine hole on an outlet side surface of the flow straightening plate.

Abstract: This Invention relates to a kind of devices with no emission resulted for treatment of exhaust gas. The Device comprises a vessel having openings that serve only as inlet. At least two exchange sections are provided inside the vessel after inlet of exhaust gas. There is a gas chamber at each connection part between two sequential sections. The gas exchange chamber at the first gas exchange section has a through opening leading to outside atmosphere area, and at each one from the second to the last exchange section, there is a feedback pipe to connect to the inlet of the first stage of exchange section. With this configuration, on entering into the exchange section, exhaust gas will be ejected inwards and causes very strong entrainment, which makes the gas chamber become vacuum and sucks air with oxygen from atmosphere into gas chamber via the through opening to atmosphere.

Abstract: An air-admitting guide member comprises an inflow end; an outflow end disposed on an inlet of a mechanical device; an elongated straight flow hole defined between the inflow and outflow ends; a plurality of rotational flow holes spaced apart respectively and each being defined between the inflow end and the outflow end, a diameter of the rotational flow hole being more than that of the straight flow hole and a bottom end thereof flushing with an end surface of the outflow end, the outflow end including a plurality of annular bores arranged on the end surface thereof and formed in a swirl shape toward the inflow end, an inner wall of the inflow end being formed in a tilted arc shape and including a stream-line sector end portion, the rotational flow hole including two openings arranged on two ends thereof individually, and projected shadows of the openings overlapping each other.

Abstract: A device for delivering gas is disclosed. The device may include a chamber and a guide. The chamber may include a set of input openings for receiving the gas and an output opening for providing the gas. The set of input openings may include a first hole and a second hole. The chamber may receive a first portion of the gas through the first hole and a second portion of the gas through the second hole. The guide may include a guiding unit. The guiding unit may be disposed inside the chamber. The guiding unit may contact the first portion of the gas before the first portion of the gas contacts the second portion of the gas and may contact the second portion of the gas before the second portion of the gas contacts the first portion of the gas.

Abstract: An exhaust gas duct includes a hollow duct section having a peripheral wall, a slot in said peripheral wall, the slot opening in a direction counter to a flow direction through the hollow duct section; and a baffle plate located on an exterior surface of the peripheral wall, upstream of the slot relative to the flow direction.

Abstract: A liquid coolant flow straightener is provided for use with a cooling system to at least partially straighten flow of liquid coolant, promoting de-aeration of the liquid coolant.

Abstract: A device and method for conditioning media flowing within a conduit enabling sensors placed within short straight run distances to measure media flow with improved accuracy employing a thermal flow instrument. A flow conditioner downstream of a media flow measuring transducer has walls that diverge in the flow direction to optimize readings of the media flow from the transducer.

Abstract: An impinging air duct that comprises one or more ramps disposed within. The ramps direct air entering the duct through columnating orifices, and helps to provide an even flow of air out of the orifices, along the length of the duct. The angle of the ramp and the location of the ramp within the duct can be adjustable.

Abstract: An electronic module is provided having enhanced thermal cooling of electronics. The module includes a housing, electronic circuitry contained within the housing, and a fluid cooling chamber extending through the housing. The chamber has generally conical shaped portions at opposite ends. At least one thermal cooling insert extends into the chamber. The insert comprises a plurality of projections for forming fluid flow passages between adjacent projections, wherein the projections engage the generally conical shape portion of the chamber.

Abstract: A flow metering device includes at least two stackable modular bodies including at least one set of adjacent modular bodies, each modular body having an orifice for modulating fluid flow therethrough. The modular bodies arranged such that the orifices between adjacent modular bodies are offset from each other. Adjacent stacked modular bodies define a chamber for trapping particulates entrained in fluid flow without obstructing fluid flow through the orifices.

Abstract: The invention relates to a plastic molded pipe, in particular for fuel-conducting return lines in injection systems for internal combustion engines. The plastic molded pipe has an inner pipe and an outer encapsulation made of a plastic material with connectors for additional components of the fuel injection system. The inner pipe is embodied as a plastic inner pipe with at least one bend.

Abstract: An improved gas turbine combustor (20) including a basket (26) and a multiplicity of micro openings (29) arrayed across an inlet wall (27) for passage of a fuel/air mixture for ignition within the combustor. The openings preferably have a diameter on the order of the quenching diameter; i.e. the port diameter for which the flame is self-extinguishing, which is a function of the fuel mixture, temperature and pressure. The basket may have a curved rectangular shape that approximates the shape of the curved rectangular shape of the intake manifolds of the turbine.

Abstract: An airflow shaper for use in an air cleaner is provided according to an embodiment of the invention. The airflow shaper includes a body including a substantially central axis and a raised central region formed on the body. The raised central region transitions an impinging axial airflow into a substantially radial airflow or transitions an impinging radial airflow into a substantial axial airflow.

Abstract: A flow controller adapted to control a flow of fluid within the flow controller, the flow controller having a flow path adapted to convey said fluid, wherein the cross-sectional area of the flow path varies along the flow path and wherein in at least a portion of its length the flow controller comprises an active surface capable of influencing the fluid flow through the flow path to cause vortical motion of the fluid within the fluid pathway.

Abstract: A fluid diversion conduit is described for diverting the flow of fluid, and particularly for diverting water from a stream to a discharge location. The discharge end of the duct has a segment of gradually enlarging cross sectional area, forming a hydraulic flow diffuser. Water flow through this segment is thereby slowed as the flow area increases, and most of the dynamic head of the water flow is recovered, improving flow capacity of the conduit. The rate of flow through the conduit may be monitored and controlled to achieve streamline flow in the diffuser section, and to prevent air from entering the diffuser section. Air entering the conduit may be expelled or otherwise displaced from the conduit.