A static mixer includes a tubular body having a sidewall with an upstream end, a downstream end opposite the upstream end, and an inner surface. The upstream end has a surface defining an upstream opening into the body. The downstream end has a surface defining a downstream opening exiting the body. The upstream opening, the downstream opening, and inner surface define a passageway through the body for transport of a first fluid therethrough. A primary fin may depend from the inner surface of the body and into the passageway. The primary fin may have a curved fin with a flow surface. A secondary fin may extend into the passageway adjacent to the primary fin, the secondary fin may have a curved flow surface that curves opposite to the flow surface of the primary fin. The secondary fin may be offset upstream or downstream from the primary fin.

A carbon monoxide oxidation device for oxidizing carbon monoxide contained in a hydrogen rich reformat gas includes a gas stream perturbation device designed as at least one propeller-shaped plate with a plate portion having a surface facing the gas stream and at least one blade which is connected to the plate portion and has a leading edge and an effluent edge, wherein a surface defined between leading edge and effluent edge is inclined in relation to the surface of the plate portion with a predetermined blade inclination angle, thereby defining at least one opening in the plate.

A turbulence member is made of a flat plate member configured to be inserted into a heat-transfer tube having a substantially elliptical cross-sectional shape. The flat plate member is a generate turbulence in a fluid flowing inside the heat-transfer tube by a plurality of projected pieces projected on both front and back surfaces. A rotation preventing piece configured to prevent rotation of the flat plate member inside the heat-transfer tube is provided in at least one of both side edges along the flow passage direction in the flat plate member. The rotation preventing piece is provided at a predetermined angle to the flat plate member so that a forefront comes into contact with a tube wall inner circumferential surface of the heat-transfer tube. A space through which the fluid can circulate is formed between the rotation preventing piece and the tube wall inner circumferential surface.

The object of present invention is to provide a chemiluminescent aerosol product that can easily form an expected quantity of a chemiluminescent composition which exhibits excellent storage stability, is stably self-held for a long period of time and achieves a good luminous effect.

This aerosol product includes a double-structure container provided with a discharging mechanism for simultaneously discharging contents filled in two liquid concentrate filling spaces. A propellant filling space is filled with a propellant composed of a compressed gas, a first liquid concentrate filling space is filled with a first liquid concentrate composition containing an oxalic acid ester, a fluorescent substance and a thickener, and having a viscosity of 10,000-200,000 mPa.Math.s (20 C.), and a second liquid concentrate filling space is filled with a second liquid concentrate composition containing hydrogen peroxide, a hydrogen peroxide decomposition catalyst and a thickener, and having a viscosity of 10,000-200,000 mPa.Math.s (20 C.). The discharging mechanism includes a mixture discharging member having mixer for mixing the two kinds of liquid concentrate compositions. The two kinds of liquid concentrate compositions are mixed to form a chemiluminescent composition.

The contacting device for countercurrent contacting of fluid streams and having a first pair of intersecting grids of spaced-apart and parallel deflector blades and a second pair of intersecting grids of spaced-apart and parallel deflector blades. The deflector blades in each one of the grids are interleaved with the deflector blades in the paired intersecting grid and may have uncut side portions that join them together along a transverse strip where the deflector blades cross each other and cut side portions that extend from the uncut side portions to the ends of the deflector blades. At least some of the deflector blades have directional tabs and associated openings to allow portions of the fluid streams to pass through the deflector blades to facilitate mixing of the fluid streams.

A carbon monoxide oxidation device for oxidizing carbon monoxide contained in a hydrogen rich reformat gas includes a housing, wherein the housing incorporates an oxidation catalyst, which is adapted to oxidize the carbon monoxide of the reformat gas by an oxidizing agent to carbon dioxide, includes upstream of the catalyst at least one gas inlet for providing a gas stream of at least the reformat gas into the housing, includes downstream of the catalyst a gas outlet for exiting treated gas from the housing, and incorporates a gas stream perturbation device which is arranged upstream of the catalyst and which is adapted to provide a perturbation in the gas stream, wherein the gas stream perturbation device is designed as at least one propeller-shaped plate with a plate portion having a surface facing the gas stream and at least one blade which is connected to the plate portion and has a leading edge and an effluent edge, wherein a surface defined between leading edge and effluent edge is inclined in relation to the surface of the plate portion with a predetermined blade inclination angle, thereby defining at least one opening in the plate.

A fluid mixing device comprises a tubular structure including an inner wall which defines a channel, and a plurality of flow deflection elements which are supported by the structure and located within the channel. Each flow deflection element defines a surface that extends between a first leading edge, which extends transversely around a first portion of the inner wall of the hollow tubular structure, and a first trailing edge which is spaced in a longitudinal direction from the first leading edge and extends radially inwardly from the inner wall. Such a device may be used on a large scale, for example in industrial systems, and also on a smaller scale, such as in microfluidic systems for biological and chemical analysis.

There is provided an insert (110) for a static mixer (100), wherein the static mixer includes the insert and a tube (102). In use, the insert is within the tube. The insert has a first surface (120) including a first leading edge (122) and a first trailing edge (124) joined by a first longitudinal edge (126) and a second longitudinal edge (128). The first surface has a first concave surface portion (130) at or adjacent the first leading edge and a first convex surface portion (132) at or adjacent the first trailing edge.

A flow cell is provided that includes surface-attached structures in a chamber. The structures are movable in response to a magnetic or electric field. A target extraction or isolation system includes the flow cell and a driver configured for applying a magnetic or electric field to the interior of the flow cell to actuate movement of the structures. The flow cell may be utilized to extract or isolate a target from a sample flowing through the flow cell. Further, a microfluidic system is provided that includes surface-attached structures and a microarray, wherein actuated motion of the surface-attached structures is used to enhance flow, circulation, and/or mixing action for analyte capture on the microarray.

A mixing baffle for mixing a fluid flow includes a longitudinal support structure and a first set of moveable mixing elements integrally molded with and extending from the longitudinal support structure. The first set of moveable mixing elements are molded in a first configuration and deform to a second configuration. The first set of moveable mixing elements may deform when the mixing baffle is inserted into a conduit. A static mixer for mixing a fluid includes a conduit and the mixing baffle inserted in the conduit.