Abstract: The present invention relates to devices for efficient transport, transfer and movement of fluids. In particular, the invention provides fluidic micro-structures for controlled transport and movement of liquids in devices for analytical and other purposes. Devices of the invention include one or more features that can enhance performance of the fluid transfer, referred to as a pre-shooter stop, a butterfly structure, a cascade structure, a waste chamber inlet, a capillary driven sample inlet chamber, a capillary stop structure, a bifurcation flow-through structure, and a hydrophobic vent.

Abstract: Device for manipulation of limited quantities of liquids with the following features: the device has at least one solid; the solid has surface areas in which different capillary forces act; one or more first surface areas have a microstructured and/or nanostructured surface; the microstructured and/or nanostructured surfaces have regularly arranged structure elements (A to E); the solid and the structure elements consist of one material and are connected to one another in one piece; one or more first surface areas are provided with reagents; the second surface area encompasses at least one of the first surface areas.

Abstract: A device for parallel metering of a liquid with the following features: the device has a first body; the first body has a main channel, secondary channels, one inlet and outlets; the main channel is connected to the inlet; the secondary channels are connected to one outlet at a time; the secondary channels are connected to the main channel; the device has at least one first chamber with a first pressure medium; the first body has means for transferring transfer means pressure surges of the pressure medium from a first chamber to the secondary channels; each transfer means is connected to a secondary channel; and at least one means for preventing a fluidic connection between the secondary channels and the chamber is assigned to the transfer means.

Abstract: A sample carrier with a sample receiver for the sample liquid and with preferably several sample chambers which are connected thereto is proposed. In order to avoid refilling with sample liquid when it evaporates or is otherwise lost or used up, there is additionally a reservoir for sample liquid which is covered in the same way as the sample chambers and which has a connecting channel to the environment which can be closed by the sample liquid.

Abstract: A spray head for an aerosol tank, and an aerosol tank having a spray head is provided, which includes a fluid exit valve for spraying a low-solvent fluid. The fluid exit valve of the aerosol tank defines an axial fluid exit direction. The spray head includes a capillary tube for routing the fluid and for nozzle-less spraying of the fluid. An entry end of the capillary tube is axially joined to the fluid exit valve when the spray head has been seated on the aerosol tank. An exit end of the capillary tube is open to the ambient atmosphere. In the spray head, the capillary tube runs from the entry end to the exit end in an arc of approximately 90°.

Abstract: An apparatus for atomizing a liquid product using a propellant, which may be integrated into aerosol packs, for atomization of a liquid product. The liquid product may have a high viscosity. The total flow rate ranges from about 0.5 grams per second to about 0.01 grams per second through a single capillary tube. The liquid product is atomized within a capillary tube. The apparatus may be designed as a handheld unit or as a stationary or mobile unit using a plurality of capillary tubes.

Abstract: A process and a device for separating and exhausting gas bubbles from a flowing liquid, especially in a microfluidic system, are proposed. Radial deflection of the liquid, a preferably annular deaeration chamber from which gas can escape through gas separation material, and a following discharge filter are characteristic. The discharge filter is made of a hydrophilic material which forms pores or small channels. Optionally, there is an inlet filter of the corresponding material upstream of the deaeration chamber.

Abstract: The present invention relates to devices for efficient transport, transfer and movement of fluids. In particular, the invention provides fluidic micro-structures for controlled transport and movement of liquids in devices for analytical and other purposes. Devices of the invention include one or more features that can enhance performance of the fluid transfer, referred to as a pre-shooter stop, a butterfly structure, a cascade structure, a waste chamber inlet, a capillary driven sample inlet chamber, a capillary stop structure, a bifurcation flow-through structure, and a hydrophobic vent.

Abstract: The present invention relates to devices for efficient transport, transfer and movement of fluids. In particular, the invention provides fluidic micro-structures for controlled transport and movement of liquids in devices for analytical and other purposes. Devices of the invention include one or more features that can enhance performance of the fluid transfer, referred to as a pre-shooter stop, a butterfly structure, a cascade structure, a waste chamber inlet, a capillary driven sample inlet chamber, a capillary stop structure, a bifurcation flow-through structure, and a hydrophobic vent.

Abstract: A microstructured mold is produced from a solid body (metal, ceramic, glass, stone or monocrystalline material) by precision mechanical machining, additive or subtractive structuring. The mold insert is filled and covered by a flowable material and the solidified material is separated from the mold insert giving a microstructure element. The microstructure elements produced by the process have good material properties and can be prepared in a broad range of shapes and structures.

Abstract: A fluid can be discontinuously atomized with an atomizer of the present invention. The atomizer can include a helical spring, disk spring or gas spring, acting as a pressure spring, as an energy storage device, a cylinder, piston, two ducts and two valves. Atomization can be initiated manually by triggering a locking mechanism. The energy storage device can be disposed outside a storage container for the fluid. The energy storage device can be provided mechanical energy manually. Via the piston, the stored energy can exert pressure onto the fluid in the cylinder, which ranges from 1 MPa to 5 MPa (10 bar to 50 bar). Distribution of the droplet size in the atomized jet can be independent from the level of experience and behavior of the person actuating the atomizer, and can be adjusted in a reproducible manner. The mean droplet diameter can be smaller than about 50 micrometers. The mass flow of the fluid through the nozzle can be less than about 0.4 g/s.

Abstract: It is known to thermally weld bodies made of plastic without or with use of an auxiliary substance (adhesive), where the welding temperature is above the glass transition temperature of the plastic.