Abstract: A device comprises a housing (10) having an interior space (11) for containing fluid, an inlet for letting in fluid to the housing (10), an outlet for letting out fluid from the housing (10), an element (20) which is arranged inside the housing (10), and means (31, 32) which are arranged in the housing (10) as well and which serve for guiding the fluid from the inlet side of the housing (10) to the outlet side of the housing (10), around the element (20). The fluid guiding means comprise two zigzag-shaped components (31, 32) extending along at least a portion of the element (20) and, as a combination, providing complete coverage of the element (20) in a circumferential direction, i.e. a direction around the element (20), wherein the zigzag-shaped components (31, 32) partly overlap in the circumferential direction.

Abstract: A decompression apparatus has an exhaust mechanism for decompressing a vacuum chamber. The exhaust mechanism has a main exhaust passage one end of which is connected to the vacuum chamber and the other end of which is connected to a vacuum pump, a first valve disposed in the main exhaust passage; a slow exhaust passage one end of which is connected to the vacuum chamber directly or via part of the main exhaust passage and the other end of which is connected to the vacuum pump directly or via part of the main exhaust passage, a cylindrical inorganic porous body disposed in the slow exhaust passage so that a gap is formed between the inorganic porous body and the inner surface of the slow exhaust passage, and a second valve disposed in the slow exhaust passage.

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: A valve having a trim comprising a plurality of impingement flowpaths, each flowpath comprising a central impingement chamber and having three radially directed inlet passages is provided. As the fluid floes through the inlet passages and enters the impingement chamber the flow starts to turn and impinge upon one another at a substantially central point within the impingement chamber and exit together via the outlet which is substantially axial to the impingement chamber. As the flows entering the impingement chamber impinge on one another as opposed to a wall of the flowpath, the impingement can be used to create a flowpath with reduced erosion.

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: A reduced pressure treatment system includes a porous pad positioned at a tissue site and a canister having a collection chamber, an inlet, and an outlet. The inlet is fluidly connected to the porous pad. A reduced pressure source is fluidly connected to the outlet of the canister to such that fluid from the tissue site may be drawn into the collection chamber. A hydrophobic filter is positioned adjacent the outlet to prevent liquid from exiting the collection chamber through the outlet. A baffle is positioned within the canister to create a tortuous path between the inlet and the outlet to prevent premature blocking of the hydrophobic filter.

Abstract: A mixing element is constructed for installation in a fluid-conducting conduit having an inlet opening of a first cross-section and an outlet opening of a larger second cross-section which is arranged in a plane disposed substantially normal to the main direction of flow. The mixing element has a cross-sectional design which increases substantially continuously from the first cross-section to the second cross-section. Flow-dividing layers are arranged in the mixing element such that a precise fitting of the mixing element into the substantially continuously expanding fluid-conducting means is made possible.

Abstract: An example fluid pressure reduction device includes a plurality of nested cylinders forming a hollow structure comprising an inner surface and an outer surface. The device also includes a plurality of passageways extending between the inner and outer surfaces through the nested cylinders. At least one of the cylinders includes first apertures substantially differently shaped from second apertures in a second one of the cylinders. At least one of the first apertures has a first wetted perimeter that is greater than a second wetted perimeter of another aperture having the same area as the at least one of the first apertures.

Abstract: Disclosed is a water saving device which provides the pressure and amount of water to be delivered that can satisfy the comfortable sense of water usage, regardless of whether the water may be supplied under the high pressure or low pressure or whether the water may be supplied in the larger or smaller amount. In accordance with the present invention, the water saving device comprises a hollow cylindrical body that is adapted to be attached to a water passage conduit or pipe. The hollow cylindrical body includes a first plate member disposed perpendicular to the direction of the water flowing through the water passage conduit or pipe. The first plate member has a plurality of first water passage holes formed thereon at regular intervals with regard to each other in the circumferential direction. A water guide member is further included.

Abstract: A shaft assembly includes a fluid transfer insert located within a bore of a shaft. The fluid transfer insert seals to the shaft and includes at least one fluid channel that communicates between a plurality of fluid ports located in the shaft. The fluid channel is defined by an outer surface of the fluid transfer insert.

Abstract: According to the invention, at least part of the edge of the hole is loosely surrounded with a mesh structure so as to create a space between the latter and said edge part.

Abstract: Water economizer device applicable to general fittings intended for its installation in hot and cold water feeding pipes and especially between the water supply pipe for shower artifacts whereby water consumption is reduced and the same water effect and the same sensation and result of conventional fittings is maintained. It is characterized by a coupled conduit between the water supply pipe and the water outflow artifact, within which a set of items are placed successively and operatively cooperatives between each other and which includes a piece that reduces water inflow, a piece that generates water turbulence and a piece that recovers outflow direction.

Abstract: A fluid flow control apparatus includes a flow path that conveys the fluid into a wellbore tubular, a first passage formed along the flow path, an annular space receiving the fluid from the first passage, and a second passage receiving fluid from the annular space. The passages may flow the fluid in an axial direction along the flow path. The apparatus may include an enclosure that receives a sleeve in which the passages are formed. The annular space may be formed between the sleeve and the enclosure. The passages may include an inlet that reduces a pressure of the fluid flowing through the inlet. The passages may include a bore and may include parallel conduits. The first and the second passages may convey the fluid in a first axial direction, and the annular space may be configured to convey the fluid in a direction opposite to the first axial direction.

Abstract: A water-saving antiblocking anti-splash waterfall water curtain head core comprises a housing and a flow leading mouth set inside the housing; a block is set under the flow leading mouth, and there are spaces between the upper surface of the block and the exit of the flow leading mouth. During operation, the surface of the block equally blocks water flow and accordingly forms hollow film-like water curtain, which is not only enjoyable but also feels like big flow visually, and thus saves water. When running down, the film-like water curtain produces less energy, which brings less impact, and accordingly brings comfortable and soft feeling to users. After setting the block, pores are no longer needed to be placed at the water outlet of taps, which can prevent water from splashing.

Abstract: A surge tank is sized to retain a volume of fluid. A fluid inlet/outlet port is attached to the tank, and an elastomeric bladder is disposed within the tank and separates the fluid from a volume of gas. A nozzle system is disposed within the tank and has a nozzle member comprising a first plurality of axially elongate perforations, and a second plurality of perforations. The nozzle member can extend a partial or complete distance with tank. The tank body includes a throat that extends outwardly from a portion of the tank adjacent the port, and a portion of the nozzle member comprising the first plurality of perforations is disposed within the throat. An annular space exists adjacent the nozzle member in the neck to facilitate the flow of solid constituent within the fluid from the tank and into the nozzle member.

Abstract: An apparatus for axially transferring fluid may comprise an elongated shaft defining a first fluid passageway axially therethrough and a second fluid passageway from an outer surface thereof to the first fluid passageway. An elongated tube member defines an outer surface that is received within the first fluid passageway and a third fluid passageway axially therethrough. A plurality of axial channels are defined between the tube member and the first fluid passageway or along the tube member separately from the third fluid passageway. At least one of the plurality of axial channels define a first opening near one end thereof that receives fluid from a source of fluid and a second opening axially spaced apart from the first opening and that aligns with the second fluid passageway such that fluid may be transferred by the at least one fluid passageway from the source of fluid through the second fluid passageway.

Abstract: A water conditioner includes a plate located diametrically across a pipe and a plurality of posts in lines on, or substantially parallel to, the longitudinal axis of the plane and extending from either side thereof, to be close to the periphery of a pipe with which the water conditioner is located. There may also be a plurality of ribs extending from either side of the plate and adjacent the posts for providing a plurality of discreet paths through the water conditioner.

Abstract: A ramjet engine (3, 4, 5), flying at Mach 3 has 64% efficiency, and at Mach 4 has 76% efficiency. Ramjet engines are currently only used for supersonic flight and have not been used as stationary engines with mechanical output. The present invention, in addition to subsonic flight, can be operated as a stationary engine, and can expand the use of the ramjet engine for mechanical output in vehicles, power plants, and in generator sets for large buildings, homes, and industry. The present invention provides the means to use ramjet engines as stationary engines by building nearly adiabatic compressors (1, 2, 12, 13, 14, 15) and expanders (6, 7, 8, 9, 10, 11) capable of (de-)compression ratios up to about 92:1 to supply the high energy gas/air required by ramjet engines, and shows how to replace de Laval nozzles with sonic converters (49, 50, 51) that convert supersonic to subsonic flow and sonic convertors (45, 46, 47) that convert subsonic to supersonic flow without having choke areas.

Abstract: A fill valve for a toilet tank includes a multi-piece shank assembly. The shank assembly includes a first hollow member coupled with a second hollow member using a snap joint. The first hollow member has a tortuous outer surface, which together with the second hollow member forms a plurality of flow paths. The flow paths are configured to reduce water noise. The first and second hollow members are provided separately, resulting in simplified molding process and improved assembly automation.

Abstract: A conduit assembly for the communication of electricity, light or fluid, including at least one conduit, wherein the conduit assembly also includes a core member, the at least one conduit in contact with the core member and arranged in a convoluted path defined with respect to the shape of the core mernber, the at least one conduit thereby having a first direct length between its ends such that removal of at least a portion of the core member permits the at least one conduit to straighten in the region of the core member removal to increase its direct length to a second direct length, the second direct length being greater than the sum of the first direct length and the length removed from the core member.

Abstract: A method of propagating pressure pulses in a well can include flowing a fluid composition through a variable flow resistance system which includes a vortex chamber having at least one inlet and an outlet, a vortex being created when the fluid composition spirals about the outlet, and a resistance to flow of the fluid composition alternately increasing and decreasing. The vortex can be alternately created and dissipated in response to flowing the fluid composition through the system. A well system can include a variable flow resistance system which propagates pressure pulses into a formation in response to flow of a fluid composition from the formation.

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 cross-sectional area, which define an expansion/contraction mechanism of the fluid passageway.

Abstract: A channel system is disclosed for optimising the relation between pressure drop and heat, moisture and/or mass transfer of fluids flowing through the system. In at least one embodiment, the channel system includes at least one channel having at least one channel wall and at least one flow director having a height, the flow director extending in a fluid flow direction and transversely to the channel. It further includes an upstream portion, a downstream portion and an intermediate portion between the upstream and downstream portions, the upstream portion deviating, in the fluid flow direction, from the channel wall inwardly into the channel, and the downstream portion returning, in the fluid flow direction, towards the channel wall, wherein a transition between the intermediate portion and the downstream portion is curved with a radius.

Abstract: The piping with a coolant inlet is provided with a partition wall within a body part. In the body part, a flow path having a U-turn region changing the flow direction of a coolant by about 180° degrees is defined. Much of the air contained in the coolant returning from a communicating hole to the body part floats up in a region leading to the U-turn region and is released from an inlet to the outside. By using this configuration, it is possible to provide a piping with a coolant inlet having a structure capable of efficiently releasing the air generated in a coolant circulation path.

Abstract: To minimize an amount of unmixed fluids remaining inside, the mixing element includes right-handed and left-handed spiral blades (1) having a shape twisted 180 degrees and being alternately and continuously provided in the axial direction to make end parts (1a) of the adjacent spiral blades to orthogonally cross, turbulence generating parts (1c) divided by an extension face (1ca) ad a rising face (1cb) are formed at four portions, which continue toward a front-side side edge (1aL1) and an outer periphery at a part spirally continuing to the back side from the front-side side edge (1aL1) and are surrounded by a front-side end edge (1cL1), an axial-side edge (1cL2) and a front-side edge (1cR1), and an inflow part (1d) formed by notching a portion from an end-part starting edge to a back-side end edge is formed at a back-side side edge opposed to positions of the turbulence generating part (1c).

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: An example fluid pressure reduction device includes a plurality of nested cylinders forming a hollow structure comprising an inner surface and an outer surface. The device also includes a plurality of passageways extending between the inner and outer surfaces through the nested cylinders. At least one of the cylinders includes first apertures substantially differently shaped from second apertures in a second one of the cylinders. At least one of the first apertures has a first wetted perimeter that is greater than a second wetted perimeter of another aperture having the same area as the at least one of the first apertures.

Abstract: A surge tank is sized to retain a volume of fluid. A fluid inlet/outlet port is attached to the tank, and an elastomeric bladder is disposed within the tank and separates the fluid from a volume of gas. A nozzle system is disposed within the tank and has a nozzle member comprising a first plurality of axially elongate perforations, and a second plurality of perforations. The nozzle member can extend a partial or complete distance with tank. The tank body includes a throat that extends outwardly from a portion of the tank adjacent the port, and a portion of the nozzle member comprising the first plurality of perforations is disposed within the throat. An annular space exists adjacent the nozzle member in the neck to facilitate the flow of solid constituent within the fluid from the tank and into the nozzle member.

Abstract: An example fluid pressure reduction device includes a hollow cylinder having an inner surface and an outer surface and a plurality of passageways extending between the inner and outer surfaces. Each passageway delimits an aperture having a cross-sectional area and a wetted perimeter that is greater than a second wetted perimeter of one of a circle-shaped aperture or a rectangle-shaped aperture having the same cross-sectional area as one of the passageways.

Abstract: An apparatus for straightening fluid flow in a conduit or pipeline, such as an irrigation pipeline, resides in an integral assembly of a conical fluid flow displacement member effective to substantially lineralize the velocity profile of fluid flowing through the pipeline and a plurality of circumferentially spaced vanes extending longitudinally and radially of the conical member and effective to mitigate swirl and eccentric velocity profiles in the flowing fluid. The conical member consists simply of a single cone that is centered in the pipeline by the vanes. A bolt extending through the wall of the pipe and threaded into a nut on a vane secures the straightener in the line.

Abstract: A multi-stage restrictor includes an inlet plate having a central non-restrictive aperture, a top fluid manipulation plate, an inter link plate, a bottom fluid manipulation plate and an exit plate disposed in stacked relation. An elongate channel interconnects pairs of circular lobes in the top and bottom fluid manipulation plates. In a multi-stage restrictor, a taper between five to ten degrees is formed in each of the channels of the top and bottom fluid manipulation plates. In a pressure spike attenuator, the taper is about fifteen to thirty degrees. In a static mixer, chevron-shaped protuberances are added to the tapered channels, one protuberance on each side of the each channel and each channel has a protuberance at its opposite end.

Abstract: A fluid pressure reduction device comprises two or more stackable annular plates. Each disk having a perimeter and a hollow center aligned along a longitudinal axis when the annular plates are stacked one on top of the other. Each disk further comprising at least one inlet flow sector having an inlet flow stage for defining a first inlet area and a first outlet area, and at least one outlet flow sector having an outlet flow stage defining a second inlet area and a second outlet areas wherein the ratio of the second inlet area to the second outlet area is predetermined to define a backpressure at the outlet flow stage to provide a sub-sonic fluid flow at the perimeter.

Abstract: An air cap for keeping a spray nozzle with a flat spray clean is presented. The air cap contain the nozzle and has a slit for the spray from the nozzle, through which opening an air flow is flowing in the same direction as the flat spray from the nozzle. The air cap is divided into a back component comprising an internal thread, and a front component comprising the slit. The components are rotatable relative to one another.

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 cross-sectional area, which define an expansion/contraction mechanism of the fluid passageway.

Abstract: A diverter for arrangement in a pipe, a barrel or a tower, and including an even number (?4) of conical cavities arranged annularly, all of the conical cavities converging at the center of the diverter. The intersection point of the axial lines of the odd numbered conical cavities and the intersection point of the axial lines of the even numbered conical cavities are located at both sides of and symmetrical about the center of the diverter. As fluid flows through the diverter, the fluid material in the central fluid and edge zones interchange position and produce three-dimensionally intersecting flow. The diverter can efficiently improve the effects of heat and mass transfer, and can be widely used in static mixers, heat exchangers for fluid with high viscosity, temperature homogenizers of the exit of the screw extruder, high efficiency pipe reactors, and in the occasions of fluid-fluid extraction, solid-fluid extraction, etc.

Abstract: A device and method for creating hydrodynamic cavitation in fluid is provided. The device includes a fluid passage having at least two local constrictions of flow provided in a parallel relationship therein, wherein each local constriction of flow configured to generate a hydrodynamic cavitation field downstream therefrom. The at least two local constrictions of flow can include concentrically arranged annular orifices.

Abstract: A surge tank is sized to retain a volume of fluid. A fluid inlet/outlet port is attached to the tank, and an elastomeric bladder is disposed within the tank and separates the fluid from a volume of gas. A nozzle system is disposed within the tank and has a nozzle member comprising a first plurality of axially elongate perforations, and a second plurality of perforations. The nozzle member can extend a partial or complete distance with tank. The tank body includes a throat that extends outwardly from a portion of the tank adjacent the port, and a portion of the nozzle member comprising the first plurality of perforations is disposed within the throat. An annular space exists adjacent the nozzle member in the neck to facilitate the flow of solid constituent within the fluid from the tank and into the nozzle member.

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 cross-sectional area, which define an expansion/contraction mechanism of the fluid passageway.

Abstract: An apparatus is disclosed for reducing pressure and velocity of a particulate-laden, supersonic vent gas stream from a pressure vessel such as an autoclave. The apparatus includes a diverging duct in which the vent gas expands, and a perforated plate located inside the diverging duct. The perforated plate provides an area reduction that increases back pressure and forces an upstream normal shock in the diverging duct, thereby bringing about a desired reduction in pressure and velocity. The perforated plate is comprised of a material, such as a ceramic, that is resistant to erosion by the abrasive particulate entrained in the high velocity vent gas. The perforated plate has a central portion provided with holes and an imperforate peripheral portion which is resiliently received between connection flanges of the duct.

Abstract: An emitter comprising: a plurality of inlet apertures through which liquid enters the emitter; a manifold flow channel into which liquid that passes through the apertures flow; an elastic diaphragm that seats on the manifold flow channel; an outlet aperture through which liquid that enters the emitter exits the emitter; wherein liquid that enters the inlet apertures displaces only a portion of the diaphragm from the manifold channel so that the liquid can leave the manifold channel and flow through the emitter to reach the outlet aperture.

Abstract: A dripper adapted to be bonded to interior of an irrigation pipe during manufacture and to be associated with an outlet opening in said pipe. The dripper comprises an outwardly facing surface adapted for the bonding, an outlet area associated with the surface, and at least one bulge near the outlet area. The bulge defines an outermost portion of the surface at least during manufacture of the pipe, and is adapted to form, when the dripper is bonded to the pipe, a raised outlet region in the pipe associated with the bulge. The bulge and outlet area are designed so as to form the raised outlet region suitable for at least a part of the outlet opening to be formed therein and be defined by the material of the pipe.

Abstract: An baffle plug comprising a base and a blade extending therefrom. The baffle plug is used in a bore to divide the bore into longitudinally extending passages and cause the liquid to flow serially back and forth through the bore. The blade may comprise various fluid directing structures providing for efficient fluid flow across the surfaces of the blade. The blade may also comprise one or more structures which create turbulent flow of the fluid flowing across the surface of the blade.

Abstract: A drip emitter is provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. Water enters the emitter through a first inlet and proceeds into a first chamber. When the water pressure is above a predetermined level, a one-directional valve opens to allow fluid flow past the first chamber, through a tortuous path flow channel, and through an emitter outlet. A second inlet is used to compensate for water pressure fluctuations in the supply tube to maintain output flow at a relatively constant rate. Water enters the second inlet and presses a flexible diaphragm toward a water metering surface to provide pressure-dependent control of the output flow. A copper member is mounted to the emitter over the emitter outlet to prevent plant root intrusion into the emitter outlet.

Abstract: A secondary battery module includes a unit battery pack having a plurality of unit batteries arranged at predetermined intervals, and a housing having the unit battery pack disposed in the housing. A heat transfer medium for controlling temperature of the plurality of unit batteries circulates in the housing. A first dispersion plate is fixedly disposed in the housing so as to be adjacent to the unit battery pack, and distributes the heat transfer medium between the plurality of unit batteries. A second dispersion plate is slidably disposed on the first dispersion plate, and distributes the heat transfer medium between the plurality of unit batteries.

Abstract: A fluidic device, the fluidic device comprising a planar fluidic conduit for conducting a fluid, wherein the fluidic conduit has a plurality of fluidic disturbance features located along at least a section of the fluidic conduit for disturbing a laminar flow of the fluid along the section.

Abstract: The present invention relates to an exhaust system having a riser adapted to be mounted to the exhaust inlet of a marine engine and a turndown connected to the riser. The riser and turndown define a primary exhaust passage to direct exhaust gases downwardly toward the discharge opening. A secondary passage, a tube, is integrated to the turndown within the primary exhaust passage. An O2 sensor is mounted within the tube. The tube has a diameter that is less than the diameter of the primary exhaust passage. With the diameter being less, the exhaust gases in the secondary passage have a pressure that is greater than in the primary exhaust passage which eliminates or at least reduces the ability for water to enter the secondary passage protecting the O2 sensor from damage.

Abstract: A pressure restrictor for use with a pressure sensing element comprising a cylindrical member of a given diameter and length having a plurality of apertures directed from a first end to a second end is disclosed. A pressure restrictor housing holds and positions the cylindrical member in close proximity to the pressure sensing element at the second end by clamping the pressure restrictor between the housing and element. The apertures provided in the pressure restrictor are the sole path for application of pressure to the sensing element. The sensing element is a double diaphragm silicon sensor where one diaphragm is exposed to pressure and the other diaphragm is not exposed to pressure. Each diaphragm has located thereon a half-bridge wherein both half bridges are connected to provide a full bridge. The full bridge provides an output strictly proportional to pressure.

Abstract: To provide a fluid flow rectifying device wherein the fluid flow rectifying device can be secured easily in the inlet of a flow path and wherein the flow path structure can be simplified and the fastening operation can be made more efficient.

Abstract: There are provided a fluid injection nozzle, a fluid mixer, a microbubble generating apparatus, a vapor phase generating apparatus, a method of producing swirling flow, and a swirling flow producing apparatus that can be applied to any kind of fluid and can efficiently generate a swirling flow at high speed. The swirling flow producing apparatus includes a housing and a cylindrical member. The housing includes a cylindrical portion of which at least one end is opened, and a fluid introducing passage that is opened on an inner peripheral surface of the cylindrical portion. The cylindrical member is provided in the cylindrical portion of the housing. The cylindrical member includes a cylindrical portion of which at least one end in a direction corresponding to an opening direction of the cylindrical portion is opened, and holes formed in a peripheral wall of the cylindrical portion.

Abstract: Two or more independent and offset fluid transporting fractals allow the scaling and intermingling of two or more fluids separately and simultaneously prior to contacting the fluids with one another. The device provides rapid and homogeneous mixing and/or reaction.