| Patent application number | Description | Published |
|---|
| 20090028711 | METHOD FOR THE INDUCTIVE HIGH-FREQUENCY PRESSURE WELDING OF METALLIC STRUCTURAL ELEMENTS USING AT LEAST TWO DIFFERENT FREQUENCIES AND COMPONENT PRODUCED BY SAID METHOD - The present technology relates to a method for connecting metallic structural components, especially structural components of a gas turbine, wherein the connection of corresponding connecting surfaces of the construction elements occurs by means of an inductive high-frequency pressure welding with heating of at least one connecting surface. According to the present technology, at least two different frequencies induced by at least one inductor are used for heating the at least one connecting surface. The present technology also relates to a component, especially a component of a gas turbine consisting of a first structural element and a second structural element, whereby the first and the second structural elements are welded by means of inductive high-frequency pressure welding. According to the present technology, at least two different frequencies induced by at least one inductor are used for heating at least one connecting surface of the structural elements. | 01-29-2009 |
| 20090074582 | METHOD FOR JOINING METAL COMPONENTS AND DEVICE FOR EXECUTION OF AN INDUCTIVE LOW OR HIGH-FREQUENCY PRESSURE WELDING METHOD - The present technology concerns one or more methods for joining of metal components especially components of a gas turbine, in which joining of the corresponding joining surfaces of the components occurs by means of an inductive low or high-frequency pressure welding and in which, before heating and joining of the components by means of inductive low or high-frequency pressure welding, sputter etching of the joining surfaces is carried out. The present technology also concerns a device for execution of an inductive low or high-frequency pressure welding method for joining the metal components, especially components of a gas turbine, with at least one induction generator and at least one inductor, as well as a component produced with the method according to the present technology. | 03-19-2009 |
| 20090127254 | Induction coil, method and device for inductive heating of metallic components - An induction coil for inductive heating of at least one metallic component having at least one lateral face and at least one face to be heated is provided. The induction coil includes a meandering pattern section shaped around the at least one component in such a way that the section extends over at least a partial area of the at least one lateral face of the at least one component to be heated in the area of the at least one face to be heated. A device and method for inductive heating of at least one metallic component are also provided. | 05-21-2009 |
| 20090290985 | PROCESS FOR CONNECTING METALLIC STRUCTURAL ELEMENTS AND COMPONENTS PRODUCED THEREBY - A process for connecting metallic structural elements, in particular structural elements of a gas turbine, and a component made by the process, is disclosed. The connecting of corresponding connecting surfaces of the structural elements is performed by inductive high-frequency pressure welding and the structural elements consist of different or similar metallic materials with different permeabilities and/or thermal conductivities. During the inductive high-frequency pressure welding, at least one process-specific parameter is controlled in such a way that at least the connecting surfaces are respectively heated essentially simultaneously up to at least near the respective melting point of the metallic materials. | 11-26-2009 |
| 20090304515 | METHOD AND DEVICE FOR JOINING BY WAY OF INDUCTIVE HF PRESSURE WELDING A ROTOR BLADE WITH A ROTOR SUPPORT OF A GAS TURBINE WITH AUTOMATIC SUPPLY OF THE ROTOR BLADE - A method and a device for joining at least one rotor blade or at least one part of a rotor blade with a rotor support of a gas turbine, in particular a rotor blade connection of the rotor support, is disclosed. Corresponding connecting surfaces of the rotor blade, the rotor blade part, the rotor support or the rotor blade connection of the rotor support are joined by inductive high-frequency pressure welding. In this case, at least one rotor blade or rotor blade part is automatically supplied from at least one rotor blade reservoir and/or rotor blade part reservoir and, in addition, the rotor support is automatically positioned in such a way that the connecting surfaces to be joined are positioned precisely with respect to one another for the joining process. | 12-10-2009 |
| 20090324398 | DEVICE FOR CARRYING OUT AN INDUCTIVE LOW-FREQUENCY OR HIGH-FREQUENCY PRESSURE WELDING METHOD, COMPRISING AN INSULATOR LOCATED BETWEEN THE INDUCTOR AND THE COMPONENTS IN THE ZONE OF THE JOINT - A device for carrying out an inductive low-frequency or high-frequency pressure welding method for joining metallic components, in particular components of a gas turbine, having at least one generator and at least one inductor, wherein an insulator is situated at least partly between the inductor and the components, in the area of the sections that are to be joined of the components, the insulator being made of a material that, due to its specific properties, does not, or does not significantly, prevent the magnetic interaction between the inductor and the components that are to be joined, and the insulator being situated at a distance from the inductor and the components, and that the insulator is made of high-temperature-resistant quartz glass. | 12-31-2009 |
| 20100040455 | METHOD AND DEVICE FOR JOINING METAL ELEMENTS - A method for connecting metallic components, in particular components of a gas turbine, including: corresponding connecting surfaces of the components being connected by means of inductive HF pressure welding, and that during or after a sufficiently great heating of the connecting surfaces, the first component is moved by a definite path toward the second component, and is pressed against it and held there. | 02-18-2010 |
| 20100098551 | METHOD AND DEVICE FOR COATING COMPONENTS OF A GAS TURBINE - The present invention relates to a method for coating components of a gas turbine, in particular for producing a wear-resistant, temperature, oxidation and/or corrosion-resistant protective coating on the component, wherein the protective coating is made of at least one solder film or slurry coating, which is connected to the corresponding region of the component by means of an inductive high-temperature soldering method. The bonded connection between the component and the solder film or slurry coating disposed on the component is achieved by locally heating the component in the region of the solder film or slurry coating to be applied, and simultaneously heating the solder film or slurry coating by means of thermal energy generated and emitted by at least one induction amplifier, wherein the induction amplifier is disposed between the inductor and the component in the region of the solder film or slurry coating. The invention further relates to a device for coating components of a gas turbine, in particular for producing a wear-resistant, temperature, oxidation and/or corrosion-resistant protective coating on the component, using at least one inductor for carrying out an inductive high-temperature soldering method for heating and bonding at least one component to at least one solder film or slurry coating forming the protective coating, wherein according to the invention at least one induction amplifier is disposed in the region of the solder film or slurry coating between the inductor and the component having the solder film or slurry coating. | 04-22-2010 |
| 20100151145 | DEVICE AND METHOD FOR THE REPAIR OR PRODUCTION OF BLADE TIPS OF BLADES OF A GAS TURBINE, IN PARTICULAR OF AN AIRCRAFT ENGINE - The invention relates to a device for the production or repair of a blade for a gas turbine, said device comprising: a holding device for holding a blade or an aerofoil of a blade; a lowering mechanism for lowering the blade or the aerofoil; a container for receiving power and/or for receiving the blade or the aerofoil; a heating device; and a radiation source, wherein the heating device is formed as an induction coil. | 06-17-2010 |
| 20100158691 | Component and Method for Joining Metal Elements - A component, in particular a component of a gas turbine, is described composed of at least two metallic structural elements, the first structural element having a first joining surface, and the second structural element having a second joining surface, and the structural elements being joined via their joining surfaces by an inductive high-frequency pressure welding. One of the joining surfaces is shaped to widen peripherally in comparison to the other joining surface, and an upsetting deformation produced in a join region in response to the joining of the structural elements rests virtually entirely within and, in particular, on a peripheral collar formed by the peripheral widening of the one joining surface. A method is described for joining metallic structural elements, in particular structural elements of a gas turbine, an inductive high-frequency pressure welding being used to join corresponding joining surfaces of the structural elements. | 06-24-2010 |
| 20100181298 | INDUCTION COIL, METHOD AND DEVICE FOR THE INDUCTIVE HEATING OF METAL COMPONENTS - An induction coil for use in a method for the inductive heating of metallic components, particularly components of a gas turbine, is disclosed. The coil includes at least two windings and the distance between the individual windings is configured such that the component or components to be heated can be inserted between two windings that are spaced apart from each other. A method and a device for the inductive heating of metallic components, particularly components of a gas turbine, and to a component produced by the method is also disclosed. | 07-22-2010 |
