Abstract: Disclosed are various turbulent, corrosion-resistant heat exchangers used in desiccant air conditioning systems.

Abstract: A baffle assembly for an etching apparatus is disclosed. The baffle assembly comprises a ring and a lower baffle portion having a curved wall extending between a flange portion and a lower frame portion. A heating assembly may be present within the lower frame portion to control the temperature of the baffle. The baffle assembly may help confine the plasma within the processing space in the chamber. The ring may comprise silicon carbide and the lower baffle portion may comprise aluminum.

Abstract: A valve that is to be employed in a line through which fluid passes. The valve includes a movable valve element that is urged under the influence of gravity away from a valve seat but urged to engagement therewith if there is a failure downstream of the valve. The inlet passage is at least partly provided by a passage providing member having surfaces to engage water passing thereby, to cause the water to move angularly about a direction.

Abstract: A blower pipe includes an inlet port, an outlet port, a flow path that connects the inlet port and the outlet port and is bent at least in one location, and plural flow control members that are provided in mutually different regions in a direction in which air in the flow path is caused to flow and that control the flow of the air, wherein a flow control member of the plural flow control members closest to the inlet port (a) cuts off a portion of a bent portion of the flow path while air crossing the portion, (b) makes an elongated gap to pass air, and (c) satisfies following condition; when a virtual straight line which passes through both end portions of the elongated gap is drawn, the virtual straight line lies downstream of an extension line of a wall immediately before the flow path is bent.

Abstract: Provided is a baffle. The baffle has holes for distributing a process gas excited in a plasma state. A surface of the baffle is treated by using a surface treating material containing an aromatic compound.

Abstract: An infusion method for manufacturing a fiber-reinforced composite component. The composite component is evacuated and at least two separated flow fronts of matrix material are spread out in the composite component. At least one of the flow fronts is decelerated and/or guided in respect to its flow directing relative to the other flow front by a control element that is incorporated in a component area of the composite component. Also disclosed is a structure for performing such infusion method wherein the control element is arranged between the construction components, wherein in at least one component area a control element is incorporated in the composite component for decelerating at least one flow front and/or guiding a flow front in respect to its flow directing relative to another flow front through the composite component.

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

Abstract: An electronic device includes a circuit board, a number of memory cards installed on the circuit board, and an airflow guiding member installed on the circuit board. The airflow guiding member includes a first side plate and a partition plate. The first side plate and the partition plate cooperatively bound a first airflow channel. The memory cards are received in the first airflow channel. An air inlet is defined in an end of the airflow guiding member and communicating with the first airflow channel. A number of spacing pieces is formed in the air inlet and aligns with the memory cards.

Abstract: The invention relates to a system and to a method for controlling an aircraft engine starter-generator. The system comprises a transmission box (20) with a fixed gear ratio intended to be mechanically coupled to a turbine shaft (12) of the engine to allow the latter to be started, a gearbox (40) with multiple gear ratios that is mechanically coupled to a pinion of the transmission box, a starter-generator (30) mechanically coupled to a pinion of the gearbox, and means for instigating a change in gear ratio of the gearbox according to the mode of operation of the starter-generator.

Abstract: A duct for connecting a source of gas including a volatile organic compound to a thermal oxidiser wherein the duct has a sufficiently sized cross-sectional diameter to reduce the velocity of the gas to below 7 m/s prior to entering the thermal oxidiser

Abstract: An expansion tank is disclosed in which a non-return valve is fitted in an outlet port of the expansion tank to limit backflow of coolant into the expansion tank in the event that the pressure in the expansion tank falls below the pressure in a return conduit thereby preventing the expansion tank from filling with coolant. The non-return valve and the expansion tank are formed as a single component and the non-return valve is located in an outlet port of the expansion tank.

Abstract: A fluid system comprises a pressure vessel with a baffle oriented at a skew angle. The baffle divides the vessel into first and second volumes. A first port is provided to introduce a pressurizing fluid into the first volume, and a second port is provided to circulate a working fluid within the second volume. A purge aperture is provided to purge the pressurizing fluid from the second volume across the baffle into the first volume, and a flow aperture is provided to transfer the working fluid through the baffle between the first and second volumes.

Abstract: A cooler arrangement comprising a charge air cooler which comprises at least one first pipeline for guiding compressed air during cooling and a tank which receives the cooled compressed air via an outlet aperture from the first pipeline, and an EGR cooler which comprises at least one second pipeline for guiding exhaust gases during cooling and a tank which receives the cooled exhaust gases from an outlet aperture of the second pipeline. The cooler arrangement comprises a tubular element extending from the EGR cooler's tank to the charge air cooler's tank. The tubular element has an outlet aperture for exhaust gases which is situated downstream of the most downstream outlet aperture in the charge air cooler's tank with respect to the main direction of flow of the air in the tank.

Abstract: Systems and methods for improving functional access to subterranean formations that include a well, which includes a casing string having at least one casing conduit that extends and provides a hydraulic connection between a surface region and the subterranean formation. Performing a plurality of downhole operations utilizing a casing string that constitutes a plurality of hydraulic pathways between the surface region and the subterranean formation. In some embodiments, the plurality of downhole operations may be simultaneous operations and/or may be associated with at least one of a plurality of operational states including a drilling state, completing state, stimulating state, producing state, abandoning state, and/or killing state. In some embodiments, systems and methods may include a plurality of production control assemblies to control and/or monitor the downhole operations.

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: Blood or other fluid can be treated with UV or other light, such as using an apparatus that can include a cuvette. The cuvette can include an elongated tube configured to permit passage of light of a desired wavelength into the tube, which can include a fluid inlet at a first end and a fluid outlet at a longitudinally opposing second end. A turbulator within the tube can include a helical baffle segment configured to induce mixing and rotation of fluid flow about a longitudinal axis of the tube. The method can include passing a fluid, from a fluid inlet at a first end of an elongated tube to a fluid outlet at a longitudinally opposing second end of the elongated tube. Mixing and rotational flow of the fluid can be induced within the tube about a longitudinal axis of the tube and light of a desired wavelength can be permitted into the tube.

Abstract: An air duct includes a frame and a number of guiding members detachably mounted to the frame. The frame includes two opposite sidewalls each defining a number of through holes. Each guiding member includes a plate and a pole connected to a side of the plate. Two protrusions are respectively formed on opposite ends of the pole, to be extended through two corresponding ones of the through holes respectively defined in the two sidewalls, and then are blocked by outer surfaces of the corresponding sidewalls.

Abstract: Described is a method, apparatus, and system for controlling the exhaust of a vacuum device including at least two conduits capable of routing air within the vacuum device, at least two baffles, at least two air chambers, and at least two exhaust cavities. The baffles and the air chambers are capable of reducing the turbulence of the routed air. The exhaust cavities are capable of discharging the routed air from the vacuum device as two or more converging air streams thus minimizing any adverse effects on the environment or the operator. The system can further include a diffuser capable of increasing the turbulence of the routed air after the vacuum device discharges the routed air to improve the thermal dissipation of the discharged routed air. The system can further include a mounting device capable of coupling the vacuum device to a vacuum operator for increased portability.

Abstract: Segmented ductwork fittings shaped to minimize waste and labor while retaining the performance characteristics of traditional radius fittings. Lean Duct fittings utilize both curved sections and straight tubular sections at an angle to one another to provide a predetermined change in the direction or location of fluid flow through the finished duct system.

Abstract: A feed gas conditioner.

Abstract: An assembly for controlling water turbulence through a high pressure cleaning machine includes a nozzle body, which has an inlet, an outlet, and a flow path. The nozzle body has a fastening end that is designed to couple the nozzle body to a pressure washer, at an end of a spray gun shaft, for example. The nozzle body also includes a plurality of conduits (e.g., an array of tubules) arranged in parallel with each other along the flow path and located between the inlet and the outlet. Additionally the nozzle body may include a screen or screens positioned along the flow path. The plurality of conduits and the screens are designed to reduce a turbulence of a water flowing through the assembly.

Abstract: A gas delivery pipe for transmitting a gas, the pipe comprising: a wall defining a lumen of the pipe; an inlet aperture through which gas flows into the pipe; an outlet aperture through which gas flows out of the pipe; wherein the pipe has an index, SI, characterizing a degree to which the pipe is serpentine that is equal to an integral of an absolute value of changes in angle of direction that a unit vector tangent to a midline of the lumen undergoes in moving along the midline from the inlet to the outlet aperture, which integral has a value greater than or about equal to 180°.

Abstract: A baffle and a heat exchanger with the baffle are provided. The baffle is disposed inside a header pipe of the heat exchanger, and divides the header pipe into two sections along the axial direction. The baffle supports a refrigerant duct which is set inside the header pipe along the axial direction. The baffle is a split type, and includes a first baffle member and a second baffle member connected together via an engagement structure. The installation efficiency of the baffle and the installation quality of the refrigerant duct are enhanced, and the reliability of the heat exchanger is also improved.

Abstract: Flow restrictors (4), (14) are widely utilized with regard to providing flow control in such situations as with respect to sealing and pressurization of bearing chambers in gas turbine engines. The restrictor (4), (14) restricts a flow (5), (15) but with prior arrangements may be susceptible to deposition upon flank surfaces of the restrictor (4). These depositions may fragment and block an aperture (7), (17) of the restrictor (4), (14) reducing operational effectiveness. By provision of a deflector (18) having a deflector surface (19) flows (15) can be presented such that a greater proportion of the flow including droplets or other matter which may result in surface deposition or erosion will pass directly through an aperture (7, 17) rather than impinge upon the flank surfaces of the restrictor (14). Furthermore, the deflector (18) is dimensioned such that surfaces which may be susceptible to deposition have dimensions smaller than the aperture (17).

Abstract: An intake assembly for a wind-energy conversion system has a substantially vertical converging nozzle, an object extending into the nozzle, and a converging flow passage between the object and the nozzle. For some embodiments, the object may be another nozzle. There may be vanes in one or both nozzles in further embodiments. The object may be configured to move in yet other embodiments.

Abstract: A low profile downspout extension is formed in multiple segments including a flexible conduit, a splash block and an extension. The splash block transitions from a circular inlet into a low profile pentagon configuration with a central bead along the top surface of the low profile body portion to define an apex of the pentagon shape. The body portion is wider than the diameter of the circular inlet but has a height at the central bead that is more than half the diameter of the circular inlet. The body portion has ribbed side walls to strengthen the splash block without requiring internal reinforcement. The bottom surface of the splash block defines a flow path that extends generally linearly from the bottom of the inlet opening to the bottom of the pentagon-shaped outlet. An open configuration for the splash block provides an alternative above-ground splash pad structure for connecting to downspouts.

Abstract: Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second disk is aligned with the first disk to provide fluid communication between the void of the first disk and the void of the second disk, the void of the first disk being offset or staggered from the void of the second disk. The void of the first disk and the void of the second disk at least partially define a fluid passageway having a cross-sectional area characterized by increases and decreases in a cross-sectional area, which define an expansion/contraction mechanism of the fluid passageway.

Abstract: A stackable noise attenuating disk includes an inner perimeter edge and an outer perimeter edge. A plurality of inlet passages is disposed along the inner perimeter edge and a plurality of outlet passages is disposed along the outer perimeter edge. The plurality of outlet passages includes a plurality of first outlet passages and a plurality of second outlet passages. Each of the plurality of first outlet passages have a first width and each of the plurality of second outlet passages have a second width that is greater than the first width. Fluid entering the inlet passages passes through a plenum section of adjacent disks to exit through the first and second outlet passages. The first outlet passages and second outlet passages cooperate to disperse the noise peak frequencies of fluid exiting the plurality of outlet passages, thereby reducing the overall noise level of fluid exiting the plurality of outlet passages.

Abstract: A damper assembly for use in an industrial duct used for venting contaminated gasses having particulate matter suspended therein. The damper assembly removes precipitate from the duct that was deposited by the contaminated gas and particulate matter. The damper assembly includes an articulating member which is movable between an open position and a closed position along a first axial direction. Opposing blades are disposed on opposite sides of the articulating member. Each of the opposing blades define a distal edge and are pivotable about axes that are substantially parallel to one another. A link couples each blade to the articulating member such that the motion from the articulating member is transfer to the blades. Each link is coupled to the blade between the distal edge and the respective parallel axis.

Abstract: An exhaust trap includes an inlet port configured to introduce an exhaust gas discharged from a substrate processing apparatus, an outlet port configured to discharge the exhaust gas introduced from the inlet port, and a plurality of baffle plates arranged therebetween intersecting with a flow direction of the exhaust gas, each of the baffle plates including one or more first holes having a first aperture dimension and a plurality of second holes having a second aperture dimension smaller than the first aperture dimension, wherein the first hole of one of the baffle plates and the first hole of another baffle plate adjacent to said one of the baffle plates are arranged out of alignment with respect to the flow direction of the exhaust gas, and an interval between the two baffle plates adjacent to each other being 0.5 to 2 times as large as the second aperture dimension.

Abstract: A concentrator for increasing the particle concentration in an aerosol flow is described. The concentrator comprises a sculptured acceleration plate with a number of slit-shaped and radially extending acceleration channels and a sculptured deceleration plate with a number of slit-shaped and radially extending deceleration plate channels. Acceleration channel exit openings are spaced from a base surface on an exit side of the acceleration plate and sculptured deceleration channel entry openings are spaced from a base surface on an entry side of the deceleration plate so that a relatively large gap is provided between the acceleration plate base surface and the deceleration plate base surface allowing a waste volume flow to be exhausted through this relatively large gap at low flow resistance. The plurality of openings comprises openings of at least two different lengths.

Abstract: A baffle or reinforcer includes a carrier configured to be disposed in a cavity and a fixation mechanism disposed on the carrier and configured to at least partially support the carrier in the cavity. The fixation mechanism defines an opening for receiving an expandable material. The fixation mechanism has an anti-return device configured to prevent at least a portion of the expandable material from escaping through the opening during expansion. A method includes inserting the carrier into the cavity, injecting the expandable material into the cavity via the opening in the fixation mechanism, expanding the expandable material within the cavity, and preventing at least a portion of the expandable material from escaping through the opening during expansion.

Abstract: Embodiments of the present invention provide a plasma processing chamber having a mini blocker plate for delivering processing gas to a processing chamber and methods to use the mini blocker plate to improve uniformity. The blocker plate assembly comprising a mini blocker plate having a plurality of through holes, and two or more standoff spacers configured to position the mini blocker plate at a distance away from a blocker plate.

Abstract: A flow pattern transition pipe for use in a pneumatic conveyance system is provided. The flow pattern transition pipe comprises a first expansion pipe section gradually increasing in inner diameter in an axial direction, a second shrink pipe section following the first section from a maximum inner diameter end of the first section and gradually reducing in inner diameter in an axial direction away from the first section, and a third pipe section following the second section from a minimum inner diameter end of the second section, with a substantially identical inner diameter smaller than a minimum inner diameter of the first section. An axial length of the first section is from about three to about five times of the axial length of the second section.

Abstract: A penetration assembly for a cryostat is presented. The penetration assembly includes an outer wall member having a first end and a second end and configured to alter an effective thermal length of the wall member, wherein a first end of the tube is communicatively coupled to a high temperature region and the second end of the tube is communicatively coupled to a cryogen disposed within a cryogen vessel of the cryostat. In addition, the penetration tube assembly includes a telescoping inner wall member comprising a plurality of tubes nested within one another, and wherein each tube in the plurality of tubes is operatively coupled to at least one other tube in series.

Abstract: A static conditioner for mounting within a tubular conduit in turn supporting fluid flow therein and including a two-stage construction having a first stage including primary vanes including laterally extending caps radially inwardly extending into the fluid flow so as to separate and direct flow against the conduit walls and a second stage of secondary plates positioned immediately downstream of the first stage and laterally offset therefrom so as to eliminate swirl and turbulence remaining in the flow after the first stage.

Abstract: A heat exchanger tube for conveying a heat transfer fluid, into which one or more turbulence-inducing elements of prescribed configuration(s) are fixedly positioned on a supporting member extending in spaced relation along the central axis of the tube, for the purpose of inducing turbulence in the heat transfer fluids and to minimize or prevent fouling inner surface of the tube to thereby enhance or maintain the heat transfer coefficient over the operational life of the tube.

Abstract: A feed gas conditioner includes a passageway with a plurality of heating elements positioned within the passageway. A plurality of baffle assemblies can cause a fluid flowing through the feed gas conditioner to flow in a serpentine flow pattern so that the fluid flows transverse to at least a portion of the heating elements. The baffle assemblies can each include two or more baffle elements, the baffle elements being positioned at an angle relative to each other. The heating elements can pass through passages within one or more of the baffle elements.

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 solid particle flow distribution controller includes an extension skirt configured to be mounted to a discharge skirt at a division between an upstream solid particle conveyance pipe and a plurality of downstream pipes. The extension skirt includes a plurality of circumferential segments. Each segment is movably mounted to the discharge skirt for movement in an upstream and downstream direction with respect to the discharge skirt. The segments of the extension skirt are configured and adapted for motion in the upstream and downstream direction independent of one another to extend upstream of the discharge skirt as needed to improve solid particle distribution among the downstream pipes.

Abstract: A connector comprised of a body having a fluid passageway extending therethrough, wherein a first fitting is formed at a first end of the body and a second fitting is formed at a second end of the body, an opening formed in the body that is in communication with the fluid passageway, and a pressure relief valve element located in the opening. In one embodiment, the connector is an elbow connector having a tube fitting and a male (Luer) conical lock fitting. The connector is particularly well suited for connecting fluid supply lines with medical devices where the pressure level in the fluid supply line may need to be reduced due to an overpressurization condition.

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: A check valve between two pipe segments including a valve body and a valve housing. The valve body includes a valve opening through one face with a valve seat therearound, and a wall extending between the faces defining a part of the circumference of the fluid line between the pipe segment ends with a radial opening in the other part of the fluid line circumference having no wall. The valve housing is removably securable over the radial opening whereby the valve body wall and the valve housing together define a closed circumference of the fluid line between the pipe segments. A valve flapper is secured to the valve housing and pivotally biased relative to the valve housing toward closing against the valve seat, whereby the valve flapper is removable through the valve body radial opening when the valve housing is removed from the valve body.

Abstract: The present invention relates to a liquid conveying device and the like having a structure which liquid conveying can be performed to a sufficient height, while requiring no energy for liquid conveying and having a high degree of freedom of arrangement. The liquid conveying device 1 comprises a liquid conveying pipe 10, and a filter 20. The liquid conveying pipe 10 includes a minute tube having a through hole with a substantially uniform inner diameter over the whole longitudinal length thereof. The filter 20 has a mesh size smaller than the inner diameter of the through hole of the minute tube. When supplied to a first end of the liquid conveying pipe 10, a liquid passed through pores of the filter 20 is guided from the first end to a second end of the liquid conveying pipe 10 by a capillary action in the through hole.

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: A rotatable vent assembly system for areas where breathable airflow is required is disclosed herein. The rotatable vent assembly system improves airflow in any structure where breathable airflow may be a concern, including but not limited to air vacuum vaults, valve vaults, water tanks, pressure reducing valve units, or other confined structures. The rotatable vent assembly system helps reduce frost accumulation within riser pipes during winter months and improves breathable air within confined spaces. By reducing the accumulation of frost, the potential for pipe breakage is reduced, also reducing maintenance and replacement costs to municipalities and property owners for burst pipes. Rotating the vent control component at the top of a riser pipe connected to a pipe system controls the flow of breathable air by increasing or reducing airflow within the pipe system.

Abstract: A low profile downspout extension is formed in multiple segments including a flexible conduit component, a splash block component and an extension component. An adapter is selectively connectable to the inlet portion of the flexible conduit component to allow mounting to a small downspout. The splash block component transitions from a circular inlet into a low profile rectangular configuration with an internal weir that prevents a back-flow of water into the circular portion. The low profile rectangular sections are formed with ribbed side walls and a crowned top surface to provide strength without requiring reinforcement. The flexible conduit portion includes a rectangular inlet, a circular outlet and a corrugated central portion that allows the selective orientation of the inlet relative to the outlet. The adapter includes a deflectable attachment tab that locks into an attachment rib on the inlet portion of the flexible conduit component.

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: Treatment devices for fluid such as water are described. Principally (although not necessarily exclusively) designed for use as chlorinators, the devices may divert water flowing in conduits into the devices for treatment and subsequent return to the flow stream. A return tube of the device may be designed to create vortex action, using a pressure differential to evacuate treated water from the device back into the conduit.