A method for controlling fluid ratio accuracy during a dual flow injection with a powered injection system is described. The method includes predicting a first capacitance volume of a first syringe comprising a first medical fluid and a second capacitance volume of a second syringe comprising a second medical fluid with a first capacitance correction factor and a second capacitance correction factor, respectively, selecting a ratio of the first medical fluid and the second medical fluid to be administered to a patient in the dual flow injection, determining a relative acceleration ratio of a first piston of the first syringe and a second piston of a second syringe based on the predicted first capacitance volume and the predicted second capacitance volume, wherein the relative acceleration ratio is selected to maintain the selected ratio of the first medical fluid and the second medical fluid during the dual flow injection, and injecting a mixture of a first medical fluid and a second medical fluid having the selected ratio with the powered injection system.

The invention relates to mixing elements with a reduced structural depth for static mixers, to static mixers comprising at least two mixing elements with a reduced structural depth, and to a method for mixing fluids using a mixing element with a reduced structural depth or a static mixer comprising at least two mixing elements with a reduced structural depth. In the mixing elements, the thickness of the transverse strut at its thickest point is maximally 0.9 to 1.1 times the thickness of the webs multiplied by the cosine of half the opening angle O divided by the sine of the whole opening angle O.

A device and related method for producing a ready-to-use solution from a concentrate and a diluent includes an inlet for the diluent; an inlet for the concentrate; an outlet for the solution; a line extending from the inlet for the diluent via a confluence where diluent and concentrate meet, to the outlet; a mixing container arranged in the line between the confluence and the outlet and having a larger cross-section than parts of the line, which are arranged upstream and downstream of the mixing container; and a metering pump for the concentrate, which is connected on the suction side to the inlet for the concentrate and on the pressure side to the confluence and which operates in a pulsed manner. The metering pump works with a clock frequency, in which a plurality of pump surges are attributable to the dwell time of the liquid in the mixing container.

This mixing member is provided with a base portion disposed in the exhaust pipe, separated from an inner wall thereof, and a plurality of blade portions which extend from the base portion toward the inner wall, and which generate a swirling flow of the exhaust gas on a downstream side, in the exhaust direction, of the mixing member, wherein: the blade portions are disposed inclined with respect to the exhaust direction such that the position of a connecting portion with the base portion is at a most downstream position thereof, in the exhaust direction; and the base portion includes a reducing agent passage which penetrates through both end surfaces thereof in the exhaust direction, and which allows the reducing agent to pass through from an upstream side to a downstream side of the mixing member in the exhaust direction.

A static mixer for desalting a fluid is disclosed. A static mixer can include a housing, a reduction cone disposed concentrically within the housing; and an expansion cone disposed concentrically within the housing; wherein the static mixer is configured to direct fluid flow through the reduction cone onto the expansion cone, thereby mixing the fluid.

A mixer for a vehicle exhaust system, according to an exemplary aspect of the present disclosure includes, among other things, a mixer outer shell defining an internal cavity configured to receive engine exhaust gases, the mixer outer shell having a first end and a second end opposite the first end. A baffle is associated with one of the first and second ends. The baffle comprises a body that includes at least one sensor area formed within the body.

A static mixer for liquids or gases includes a housing having a continuous inner surface defining a fluid flow path for liquids or gases, an inlet to the fluid flow path, and an outlet from the fluid flow path, and an insert extending longitudinally through the fluid flow path between the inlet and the outlet. The insert is elastically expansive to exert outwardly directed pressure against the continuous inner surface of the housing. In one embodiment, the insert is hollow and has deflectors dispersed therethroughout and each projecting inwardly into the fluid flow path. In another embodiment, the insert includes a helical deflector extending inwardly into the fluid flow path from the continuous inner surface, and helically about a longitudinal axis of the housing.

A exhaust gas mixing apparatus includes an outer cylinder being configured to an insulating ceramic; fins being configured to an insulating ceramic, the fins being provided on an inner side of the outer cylinder; and an electric heating portion embedded in at least a part of the outer cylinder and/or the fins.

A static mixer may include a housing having an inlet and an outlet. The static mixer may also include a mixing element arranged within the housing. The mixing element may include a plurality of blade disk pairs arranged in crisscrossing fashion, each blade disk, of the pairs of blade disks, comprising a plurality of parallel extending and spaced apart blades.

A fluid mixing device (10) for use in chemical reactions involving two or more immiscible fluid phases. It mixes the reactants and prevents phase separation, particularly in pipe bends. The device (10) for mixing fluids flowing through a pipe (16), comprises a plate (12) having a flowpath (14) therethrough and two or more tabs (20) extending from the plate into the flowpath at an angle (24) from the plane (22) of the plate. The tabs (20) are formed by first folds (32) in the plate, at least two of the tabs (20A) having a second fold (26) therein, the tabs and first and second folds being arranged to produce two counter-rotating vortices (30) in the fluids passing through the pipe. The device has a plane of symmetry (28) perpendicular to the plane (22) of the plate (12).