Entries |
Document | Title | Date |
20080247266 | Metering device - A metering device for the feeding of additives to a gooey fluid or a pasty composition, in particular to a plastic melt, includes a passage section receiving the fluid and which contains at least one metering element for the injection of an additive into the plastic melt. The passage section has a recess for the reception of the metering element that is bounded at all sides by the passage section. The metering element is made of a porous structure or with a capillary structure for the passage of the additive. | 10-09-2008 |
20090141584 | Homogenisation valve - The invention relates to an improved homogenization valve, and more particularly, but not exclusively, to a homogenization valve for use in homogenizing emulsion explosives. The homogenization device comprises a body having a flow passage therethrough, opposing first and second homogenization members located in the flow passage; the homogenization members having opposing homogenization surfaces that form a flow restriction of the flow passage therebetween. At least one of the homogenization surfaces has a flow resistance being suitable to cause at least part of the flow passing through the flow restriction to be diverged in a non-linear path across the homogenization surface. | 06-04-2009 |
20100118642 | Airfoil-Shaped Micro-Mixers for Reducing Fouling on Membrane Surfaces - An array of airfoil-shaped micro-mixers that enhances fluid mixing within permeable membrane channels, such as used in reverse-osmosis filtration units, while minimizing additional pressure drop. The enhanced mixing reduces fouling of the membrane surfaces. The airfoil-shaped micro-mixer can also be coated with or comprised of biofouling-resistant (biocidal/germicidal) ingredients. | 05-13-2010 |
20100226202 | FLUID FLOW MODIFICATION APPARATUS - Embodiments of the invention relate to apparatus for modifying the properties of a flow field and to a method of selecting an apparatus to achieve a desired flow field. The invention finds particular application in the control of the mixing of fluids, heat transfer within and between fluids, acoustic noise, oscillations in fluids, microchip cooling, structural vibrations and chemical reactions. Embodiments of the invention comprise a fractal fluid flow modification structure comprising: a plurality of turbulence-creating elements; and a support for holding the turbulence-creating elements in the fluid so as to allow movement of the fluid relative to the turbulence-creating elements, wherein said turbulence-creating elements include at least two different types of element, including a first type of element and a second type of element, and wherein the turbulence-creating elements are arranged in a fractal structure, the first type of element being arranged at a first level in said fractal structure and the second type of element being arranged at a second level in said fractal structure. Since the fluid flow modification structure comprises a plurality of levels of fractal structures, the surface area of the first type of element differs from that of the second type of element: varying the respective surface areas between fractal levels provides a convenient mechanism for controlling turbulence levels in the fluid. | 09-09-2010 |
20100265792 | STATIC MIXING DEVICE, AND PRODUCTION METHOD - A static mixing device is described, comprising a flow channel and mixing elements which are distributed over the cross section of the flow channel in the form of flow bodies arranged on a wall extending in the direction of flow and which are each delimited by one tapering deflecting surface which is inclined in relation to the wall and originates from a base extending transversally to the direction of flow and by two guide surfaces which protrude from the wall and which converge in an edge extending transversally to the channel axis on the side of the flow bodies which is opposite of the base. In order to provide advantageous mixing conditions for thermally sensitive plastic materials it is proposed that the flow bodies ( | 10-21-2010 |
20110141844 | STATIC MIXER - A static mixer is disclosed. The mixer includes a channel which extends in the main direction and has at least one mixing element arranged therein. The mixing element has structures for dividing, deflecting and/or combining a media stream conveyed through the channel such that at least one dividing structure divides the media stream into at least one first substream and one second substream and such that the first substream and the second substream have different average path lengths from the dividing structure up to the point where they are combined. | 06-16-2011 |
20120113744 | SYSTEM FOR APPLYING VISCOUS SUBSTANCES - A system for applying viscous substances is formed from a liquid and a granular solid. The system comprises a liquid circuit with a liquid containment unit. A liquid line and conveying means circulate the liquid from the liquid containment unit into the liquid line. A solid circuit with a storage unit stores the granular solids. A solid line and conveying means circulate the granular solids from the storage unit into the solid line. A mixing device is connected to the liquid line and to the solid line. The mixing device has a body that is adapted to receive liquids from the liquid line and granular solids from the solid line. The body mixes the liquids and granular solids into a viscous substance. The body has an outlet to apply the viscous substance mixed in the body. A method for applying a viscous substance is also provided. | 05-10-2012 |
20120120756 | MODULAR MIXER - The invention relates to modular mixers for applications in modular microprocess technology. | 05-17-2012 |
20120134232 | Mixing Element for a static mixer and process for producing such a mixing element - The mixer insert ( | 05-31-2012 |
20120218857 | MICROFLUIDIC MIXER, METHOD FOR MIXING FLUIDS - The invention provides a fluid mixer comprising a substrate defining channels having varying widths and depths, wherein the channels have a total mixing distance of from about 50 microns to 1 millimeter. Also provided is a method for mixing fluids, the method comprising: directing a plurality of fluids to a mixing channel having a first width and a first depth; redirecting the directed plurality of fluids to a mixing channel having a second width smaller than the first width and having a second depth greater than the first depth; and repeating the process. | 08-30-2012 |
20120307588 | IN-LINE-TYPE FLUID MIXER - An in-line-type fluid mixer is provided, which includes a first channel-forming part defining a first inlet channel from a first inlet portion to a first passage portion; a second channel-forming part defining a second inlet channel from a second inlet portion to a second passage portion; a third channel-forming part defining an outlet channel having a sectional area that increases from a narrower portion through a flaring portion to an outlet portion, and being communicated with the first inlet channel and the second inlet channel, respectively, at an end of the narrow portion; and a whirling stream-generating part for generating a whirling stream in at least one of the first inlet channel and the second inlet channel. | 12-06-2012 |
20130107660 | RECONFIGURABLE MIXING BAFFLE FOR STATIC MIXER AND METHOD FOR MAKING A STATIC MIXER | 05-02-2013 |
20130182529 | STATIC MIXER - A mixing element for a static mixer for installation into a tubular mixer housing has a longitudinal axis along which a plurality of installation bodies are arranged behind one another. | 07-18-2013 |
20130201786 | Energy-Saving Static Stirring Apparatus For Automatically Stirring A Fluid - An energy-saving static stirring apparatus for automatically stirring a fluid includes a deflector adapted for stationary placement in a container that holds a fluid for boiling. The deflector may include at least one friction contact point for frictionally engaging the container to prevent movement of the deflector. An inner portion of the deflector may be configured for placement proximate to a center of the container. An outer portion of the deflector may be configured for placement proximate to a side of the container. One or more deflector ramps define one or more vent openings to impart lateral movement to heated fluid currents and/or vapor bubbles moving upwardly away from a heat source below the container and to redirect the fluid currents and/or vapor bubbles into a swirling motion that stirs the fluid without movement of the deflector. | 08-08-2013 |
20130215709 | MIXING DEVICE - The invention generally relates to a mixing device. In certain embodiments, devices of the invention include a fluidic inlet, a fluidic outlet, and a chamber, the chamber being configured to produce a plurality of fluidic vortexes within the chamber. | 08-22-2013 |
20130215710 | DEVICE AND METHOD FOR GAS DISPERSION - The invention relates to a device for dispersing gas into a liquid. The devise has a number n of successive zones Z | 08-22-2013 |
20130235692 | Dust Mixing Device - A method of mixing dust comprises the step of introducing the dust into a closed passage and through a static mixer with a mixing element having a surface which is inclined with respect to the main axis of the closed passage and which is provided with a surface structure of a small scale, such that the dust particles arriving at the surface are reflected by the surface structure in a random manner. | 09-12-2013 |
20140334251 | TARGETED FREQUENCY MULTIPLE PATH LENGTH MIXERS - Mixers in microfluidic separation systems comprise multiple fluidic paths that extend from a distribution well to a mixing well. An incoming flow of solvent composition splits at the distribution well into as many streams as fluidic paths. The streams recombine at the mixing well to produce an output stream. One embodiment has fluidic paths with different dwell volumes that determine a percentage of the incoming flow flowing through each path. These dwell volumes can be targeted to attenuate a known noise characteristic in the incoming compositional flow. Another embodiment of mixer has a contoured surface disposed between the distribution and mixing wells. The paths extend from the distribution well to the mixing well through this contoured surface, each path passing through a different valley defined by opposing upwardly sloping banks. The valleys can have different dwell volumes that determine a percentage of the incoming compositional flow flowing through each valley. | 11-13-2014 |
20140347953 | MICROFLUIDIC FREE INTERFACE DIFFUSION TECHNIQUES - A static fluid and a second fluid are placed into contact along a microfluidic free interface and allowed to mix by diffusion without convective flow across the interface. In accordance with one embodiment of the present invention, the fluids are static and initially positioned on either side of a closed valve structure in a microfluidic channel having a width that is tightly constrained in at least one dimension. The valve is then opened, and no-slip layers at the sides of the microfluidic channel suppress convective mixing between the two fluids along the resulting interface. Applications for microfluidic free interfaces in accordance with embodiments of the present invention include, but are not limited to, protein crystallization studies, protein solubility studies, determination of properties of fluidics systems, and a variety of biological assays such as diffusive immunoassays, substrate turnover assays, and competitive binding assays. | 11-27-2014 |
20140369159 | MIXING DEVICE FOR MIXING AGGLOMERATING POWDER IN SUSPENSION - A suspension consisting of a carrier fluid and particles suspended in the carrier fluid is mixed by a nozzle generating a suspension jet, a feeding device for introducing powder into the suspension jet, a mixing chamber designed to mix the particles with the powder such that the powder adheres to the particles, and a diffuser stabilizing the suspension such that the particles in the suspension form agglomerates due to the powder. | 12-18-2014 |
20150029817 | DEVICE FOR PREPARING A SOLUTION, IN PARTICULAR IN OR ON A DIALYSIS MACHINE - Devices for preparing a liquid solution are disclosed. The device includes a receptacle defining a cavity for receiving at least one active substance to be dissolved, at least one inlet leading into the cavity for feeding at least one solvent into the cavity, and at least one outlet leading out of the cavity for discharging the liquid solution including the at least one active substance and the at least one solvent from the cavity. The cavity or the receptacle may include a flexible outer shell for enclosing the cavity and an inner, preferably columnar, supporting element for stretching the flexible outer shell between at least two points, the supporting element comprising the at least one inlet at its first end and the at least one outlet at its second end and being enclosed by the flexible outer shell to provide an axially rigid cartridge that can be used in currently customary dialysis machines comprising cartridge connection systems, which can be produced at low cost. | 01-29-2015 |
20150314251 | DEVICE FOR MIXING POWDER AND AT LEAST ONE OTHER TYPE OF PHASE - The present invention discloses a device for mixing a mixture material comprising at least two different phases where at least one first phase is in powdered form, said device comprising at least two separate inlets where a first inlet is intended for powder and a second inlet is intended for a second phase not being a powder, wherein the device further comprises an outlet and a mixing chamber with an agitator, wherein the mixing chamber comprises a mixing zone being that part of the mixing chamber in which the mixture material is being actively mechanically influenced to obtain mixing, and wherein said at least two separate inlets each involve any type of geometrical narrowing of their cross-sectional areas up to the mixing zone, and wherein the mixing zone further comprises any type of expansion of the cross-sectional area in a flow direction of the mixture material. | 11-05-2015 |
20150328601 | FLUID FLOW MODIFICATION APPARATUS - A fluid flow modification apparatus has a plurality of flow modification elements each having a first surface portion against which a fluid (F) can flow and a second surface portion along which the fluid (F) can flow. The elements are arranged in a number of sets. A first set of elements comprises a plurality of fluid flow modification elements with a first surface portion. A second set of elements comprises a plurality of fluid flow modification elements with a first surface portion having a surface area different from that of the first set. The first set of elements includes first and second types of fluid flow modification elements. The depth of the second surface portion is different from the depth of the second surface portion. | 11-19-2015 |
20150354432 | MIXING CHAMBER - A mixing chamber for mixing an additive in an exhaust system of an internal combustion engine, having a single-part or multi-part housing which has an entry opening for exhaust gas having a flow cross-section and having a central entry axis, and which has, arranged downstream of the entry opening, an exit opening for exhaust gas having a flow cross-section and having a central exit axis. A flow-guiding element is arranged within the housing between the two openings, wherein the flow-guiding element is tubular and forms at least one channel having a channel axis, said channel having an inlet and having an outlet, via which the entire exhaust gas stream is guided, in a flow direction parallel to the channel axis, to the outlet having an outlet cross-section, and the flow direction deviates relative to the central exit axis by an angle a of between 20° and 80°. The mixing chamber is to be designed and arranged in such a way that, with a reduced overall length, an improved distribution of the mixture of exhaust gas and additive over the substrate surface is achieved and at the same time deposits of the additive are avoided. A downstream substrate is provided adjacent to the outlet in the direction of the central exit axis, the downstream substrate having a substrate cross-section that corresponds to the outlet cross-section. | 12-10-2015 |
20160008778 | DEVICES AND METHODS FOR FORMING RELATIVELY MONODISPERSE DROPLETS | 01-14-2016 |
20160016130 | RECONFIGURABLE MIXING BAFFLE FOR STATIC MIXER AND METHOD FOR MAKING A STATIC MIXER - A mixing baffle for mixing a fluid flow in a static mixer includes a mixing element support structure extending along a longitudinal direction and a first set of moveable mixing elements coupled to the mixing element support structure. The first set of moveable mixing elements is formed in a first configuration and moves to a second configuration when the mixing baffle is inserted into a tubular conduit. In the second configuration, the first set of moveable mixing elements is optimized for mixing fluids and defines a plurality of undercuts that are difficult to mold. The mixing baffle may also include a second set of stationary mixing elements that interlace with the first set of moveable mixing elements when the first set of moveable mixing elements moves to the second configuration. | 01-21-2016 |
20160089642 | DEVICE, SYSTEM AND METHOD FOR MIXING - A device or system includes a mixer comprising a three-dimensional lattice defining a plurality of tortuous, interconnecting passages therethrough. The mixer is in communication with sources or streams of at least two separate components which, when mixed, form a combined fluid stream. The sources or streams may be, at least initially, on opposite sides of the mixer, or the sources or streams may be on the upstream side of the mixer with an outlet disposed downstream of the mixer. A related method may include providing a mixer comprising a three-dimensional lattice defining a plurality of tortuous, interconnecting passages therethrough, and selecting a material for the mixer based on physical characteristics of said material, said characteristics including a selected one or more of mean flow pore size, thickness and porosity volume. | 03-31-2016 |
20160151750 | FLUID MIXING STRUCTURE | 06-02-2016 |
20160175788 | MIXING DEVICE FOR TWO COMPONENT POLYURETHANE FOAM FORMULATION | 06-23-2016 |