Abstract:
The present invention is directed to a gas wiping nozzle that can easily remove molten metal splashes and can provide a beautiful steel sheet with no linear mark defects, and a method for manufacturing a hot-dip metal-coated steel strip and a gas wiping nozzle. Provided are: a gas wiping nozzle that adjusts the coating weight of a molten metal on the surface of a steel strip pulled up from a molten metal bath, wherein at least the surface of the gas wiping nozzle is made of a ceramic, and the arithmetic mean roughness Ra and the peak count PPI of the gas wiping nozzle satisfy Formula (1); and a method for manufacturing a hot-dip metal-coated steel strip using the gas wiping nozzle. PPI>c1×Ra+c2 PPI: peak count (the number of peaks per inch) Ra: arithmetic mean roughness [µm] c1 and c2: constant
Abstract:
Die Erfindung betrifft eine Düsenanordnung (20) zur Reinigung eines Filterelements (12) mittels einer Fluidströmung, aufweisend eine rohrförmig ausgebildete Zuleitung (22) mit einer Zuleitungsöffnung in einer Mantelfläche der Zuleitung (22), zumindest eine als Hohlkörper mit einer Grundfläche (4.2) ausgebildete Düse (1.1, 1.2, 1.3, 1.4), wobei die Düse (1.1, 1.2, 1.3, 1.4) in der Grundfläche (4.2) eine Einlassöffnung (16) aufweist und zumindest eine Düsenhalterung (23) mit einer Aufnahme (25) für die Düse (1.1, 1.2, 1.3, 1.4), wobei die Düse (1.1, 1.2, 1.3, 1.4) an der Grundfläche (4.2) eine Ausnehmung (26) zum Anlegen an die Mantelfläche der Zuleitung (22) aufweist, derart, dass die Einlassöffnung (16) an der Zuleitung (22) anliegt und mit der Zuleitungsöffnung fluchtet und wobei die Düse (1.1, 1.2, 1.3, 1.4) an der Aufnahme (25) der Düsenhalterung (23) lösbar gehalten und zentriert ist und die Düsenhalterung (23) an der Zuleitung lösbar gehalten ist.
Abstract:
The present invention relates to a blowing device (1) for blowing gas through a gas-permeable tubular-shaped packaging material (29). The blowing device comprises at least one gas nozzle (19; 75, 77), adapted to blow gas from an outside of the tubular-shaped packaging material through the tubular-shaped packaging material, and a guiding member (3), which comprises a web passage (5) having a surface (7) adapted to face the tubular-shaped packaging material, such that the web passage surrounds or substantially surrounds the tubular-shaped packaging material. The present invention further relates to a use of the blowing device, to a sealing arrangement (27, 71) for transversely sealing a gas-permeable tubular-shaped packaging material (29) and to an arrangement (37) for manufacturing of pouched products (39), which arrangement comprises such a sealing arrangement. The present invention also relates to a method for transversely sealing a gas-permeable tubular-shaped packaging material and to a method for manufacturing a pouched product, e.g. a portion-packed pouched oral snuff product.
Abstract:
The invention provides a device and a method for liquid atomization, employing a hollow body with a closed surface perforated with a plurality of point orifices and connected to a compressed gas. The body is submerged in a liquid to be atomized, with some orifices immersed in the liquid and others emerged from it. The system can be scaled-up according to the need.
Abstract:
An oscillating or pulsing fluid stream, or flow 18, 132, 300, is produced from a flow of pressurized air by fluidic apparatus 10, 100, 130, 180, 220 in a device 250 configured for use in surface cleaning, sweeping, lawn care applications, and the like. Converging inlet chamber walls 20, 22, define a tapered internal lumen having a smooth narrowing profile is configured to generate at a power nozzle 44 a high velocity stream with minimal pressure drop. Downstream of the power nozzle, first and second control ports CP1, CP2 are in fluid communication with the high velocity stream 46 and with each other via an inertance loop 72 having a lumen of selected cross sectional area and length. The varying air flow is directed through an outlet chamber 14, 134 shaped to produce an oscillating flow 18 or a pulsating flow 132.
Abstract:
An oscillating or pulsing fluid stream, or flow 18, 132, 300, is produced from a flow of pressurized air by fluidic apparatus 10, 100, 130, 180, 220 in a device 250 configured for use in surface cleaning, sweeping, lawn care applications, and the like. Converging inlet chamber walls 20, 22, define a tapered internal lumen having a smooth narrowing profile is configured to generate at a power nozzle 44 a high velocity stream with minimal pressure drop. Downstream of the power nozzle, first and second control ports CP1, CP2 are in fluid communication with the high velocity stream 46 and with each other via an inertance loop 72 having a lumen of selected cross sectional area and length. The varying air flow is directed through an outlet chamber 14, 134 shaped to produce an oscillating flow 18 or a pulsating flow 132.
Abstract:
The invention relates to a cleaning tool for a robot arm in order to clean threaded holes, stud bolts and surfaces, inter alia, on machine and motor vehicle underbody structures by means of compressed air nozzle technology, the robot arm being equipped with a pneumatic rotation unit and components for connection to the robot arm. A torque-support structure (1) for accommodating a rotatably mounted pneumatic spray nozzle (2) and the further arrangement of a pneumatic bolt-cleaning nozzle (3) are disposed on the end of the robot arm. Cleaning tools of this type are predominantly required for cleaning mechanical engineering and motor vehicle underbody structures in order to remove impregnated material and machining material residues in preparation for further processing. These different objects can be achieved by the solution according to the invention with a single cleaning tool for a robot arm.