Patent application number | Description | Published |
20080305276 | Method of Applying Hot Gas Anticorrosion Layers - A method for applying hot gas anticorrosion layers to high-temperature-resistant alloys, either nickel-based or cobalt-based alloys, in the form of a gradient layer consisting of one or more elements of the platinum group in combination with aluminum. The components are introduced into a directional high-temperature, high-enthalpy, free jet of solid, liquid or gaseous precursors in mixing ratios such that defined concentration gradients can be established in the layer. | 12-11-2008 |
20090008265 | Method for producing aerodynamic structures during the production of integrally bladed gas turbine rotors - The invention relates to a method for the production of aero-dynamic structures during the production of integrally bladed gas turbine rotors. Aerodynamic structures of an integrally bladed gas turbine rotor are produced on a rotor disk base body, whereon the end contours are precise, by removing material according to an electrochemical removal process, i.e. by means of an electrochemical machining (ECM)-process. The method comprises the following steps: a) preparing a rotor disk base body which is made of a material which is difficult to machine; b) removing the material which is between the blade wings until a specific dimension is obtained, according to a removal process; c) preparing at least one working electrode in order to finish at least one aerodynamic structure of an integrally bladed gas turbine rotor. The contours of the or each of the working electrodes are adapted to the contours of the aerodynamic structure, which are produced by means of the respective working electrode, such that a gap between the rotor disk base body and a working electrode are produced in an approximately identical manner during the removal process of the material; d) electrochemically machining the or each aerodynamic structure in an electrochemical sinking by placing the rotor disk base body and the or each working electrode in an electrolyte and by applying voltage and/or current, whereby the applied current and/or voltage is temporally pulsed; e) pressure-rinsing the gap which is filled with electrolytes between the aero-dynamic structure and the or each working electrode by a pulsed movement of the or each working electrode. | 01-08-2009 |
20090051915 | Arrangement for Monitoring Thermal Spray Processes - An arrangement for measuring characteristic properties of a plasma beam in a thermal spray process, including a device for introducing spray materials into the plasma, a one-dimensional or two-dimensional array including first optical waveguides for receiving the light radiation emitted by the plasma, and other optical waveguides for distributing the light radiation emitted by the plasma. A device is provided for splitting the light guided in the first optical waveguides into the other optical wave guides, one optical waveguide being connected to the opening diaphragm of a particle flow arrangement, and the other optical waveguide being connected to the opening diaphragm of a spectrometer. A device is also provided for determining the current state of the spray process. | 02-26-2009 |
20090101521 | Electrode for electrochemical reduction - An electrode ( | 04-23-2009 |
20090134130 | Process and System for Creating Internal Stress in a Metallic Workpiece - A process and a system for creating internal stress in a metallic workpiece by laser shock peening is provided. In the process, a first laser pulse is applied to a treatment site of the workpiece covered by a surface layer. A second laser pulse follows the first laser pulse in time, and is applied to the treatment site of the workpiece. A covering layer, such as flowing water, is provided over the treatment site during the application of the laser pulses. | 05-28-2009 |
20100186472 | METHOD AND DEVICE FOR SURFACE PEENING OF A COMPONENT IN THE REGION OF A PASSAGE OPENING - A method and device for surface peening, particularly ultrasonic shot peening, of a component in the region of a passage opening is disclosed. A vibration device impinging the blasting material is disposed on one side and a counter-element is disposed on an opposite side relative to a component region having the passage opening. The counter-element is disposed at a distance relative to the corresponding side of the component region. | 07-29-2010 |
20100288399 | Device and method for remelting metallic surfaces - A method for remelting metallic surfaces of components using the effect of a stable high pressure plasma jet, includes melting the surface in localized areas, the surface having a structure refinement after solidification. The plasma jet action is generated by the microwave impact on a carrier gas, the pressure of the high pressure plasma jet being above the atmospheric pressure. In addition, a plasma torch for generating a directed high pressure plasma jet includes a gas supply, a device for generating a plasma, and an outlet nozzle for a plasma jet. The device for generating the plasma includes a magnetron and a resonator in which the supplied pressurized carrier gas is transferred into a plasma under the effect of microwaves, causing the plasma to exit through the outlet nozzle at a pressure above 0.1 MPa. | 11-18-2010 |
20110287249 | ANTI-EROSION LAYER FOR AERODYNAMIC COMPONENTS AND STRUCTURES AND METHOD FOR THE PRODUCTION THEREOF - An anti-erosion layer is provided for aerodynamic components or structures and to a method for producing such a layer. Microscale or nanoscale hard material particles are embedded in a binding layer that includes a material that adheres to the aerodynamic component or structure. The anti-erosion layer can be applied by spraying or by evaporation coating. | 11-24-2011 |
20110290770 | METHOD FOR PREVENTING CRACK FORMATION AND FOR SLOWING DOWN THE ADVANCEMENT OF A CRACK IN METAL AIRCRAFT STRUCTURES BY MEANS OF LASER SHOCK RAYS - The present invention provides a method for preventing the forming of cracks and slowing the crack propagation in metallic airplane structural parts by laser shock peening with the following steps: Providing an airplane structural part having a crack; irradiating a first surface area of the airplane structural part close to the crack with a first pulsed laser beam having a first wavelength and a first pulsation frequency, wherein energy of the first laser beam is absorbed by the airplane structural part and a shock wave runs through the airplane structural part, which creates compressive prestressings in the airplane structural part. | 12-01-2011 |
20130266505 | HYDROGEN GENERATION BY HYDROGENATED POLYSILANES FOR OPERATING FUEL CELLS - A fuel cell supply device that generates hydrogen for fuel cells in an aircraft includes a reaction chamber which reacts hydrogenated polysilanes or mixtures thereof with water; a feed device that feeds at least one reactant into the reaction chamber; and a discharge device that leads hydrogen formed in the reaction to a fuel cell. | 10-10-2013 |
20140053561 | AIRCRAFT FUEL CELL SYSTEM, AIRCRAFT AND USE OF A SYNTHETIC FUEL - An aircraft fuel cell system is provided. The system includes a fuel tank, a reactor for generating hydrogen gas from a fuel, a heating apparatus and a fuel cell. The reactor can process a synthetic fuel produced from biomass. The use, in an aircraft, of a synthetic fuel, produced from biomass, for generating a gas that contains hydrogen is also provided. | 02-27-2014 |
20140325991 | Aircraft having an Engine, a Fuel Tank, and a Fuel Cell - An aircraft includes a propulsion unit with a compressor and a bleed air device for providing bleed air from the propulsion unit, a fuel tank for a fuel, at least one fuel cell, a reactor for reforming fuel from the fuel tank to a hydrogen-containing fuel gas, and at least one feed unit with a bleed air inlet, a fuel inlet, an oxidizing agent outlet, and a fuel outlet. The feed unit can selectively and not simultaneously feed an oxidizing agent by means of the oxidizing agent outlet or fuel by means of the fuel outlet into the reactor. The feed unit is connected to the bleed air device and designed to provide the oxidizing agent based on bleed air. | 11-06-2014 |
20150047363 | High Frequency-Stabilized Combustion in Aircraft Gas Turbines - A gas turbine includes a combustion chamber and a microwave source to produce microwave radiation. The gas turbine is arranged to guide the microwave radiation into a cavity of the combustion chamber. Due to the microwave radiation, in the cavity of the combustion chamber, combustion in the cavity may be supported and thus lean operation of the gas turbine is made possible. | 02-19-2015 |
20150053289 | Structural Component With a Riblet Surface - A structural component for a vehicle has a surface with a riblet structure. The riblet structure includes a plurality of grooves, including a first groove having a first longitudinal section forming a first angle with a main longitudinal direction of the structural component. The first angle is larger than 0° and the main longitudinal direction corresponds to a flow direction of a fluid along the surface of the structural component. | 02-26-2015 |
20150060437 | Active Temperature Control for Induction Heating - An induction heating system and a method for controlling a process temperature for induction heating of a workpiece. The induction heating system comprises an inductor configured to generate an alternating magnetic field in response to an alternating current supplied thereto, a magnetic load comprising a magnetic material, the magnetic material having a Curie temperature and being configured to generate heat in response to the alternating magnetic field being applied thereto, the magnetic load being connectable to the workpiece in a heat-conducting manner so as to transfer the generated heat to the workpiece, and a control unit configured to control the process temperature for manufacturing the workpiece by adjusting the alternating magnetic field when the temperature of the magnetic material is in a temperature control range around or below the Curie temperature of the magnetic material, the temperature control range being dependent on the magnetic material of the magnetic load. | 03-05-2015 |
20150060689 | Ions Metering Device for an Energy Storage Device, Method of Manufacturing a Metering Device and Ion Energy Storage Device - An ion dosage apparatus for an energy storage apparatus includes a first energy guiding device with a first energy supply device and a separating device. The separating device is configured to control, via supplied energy, a number of ions that are transported around the first energy guiding device and/or blocked. | 03-05-2015 |
20150069020 | Contact Materials for High Voltage Direct Current Systems - A contact element for high voltage direct current switches includes a matrix made of a first material selected from the group comprising copper, silver, palladium, platinum, tungsten, molybdenum, rhenium, nickel, gold, and alloys thereof. The contact element also includes a foreign phase, which is dispersed in the matrix and is made of a second material selected from the group comprising carbon, tin(II) oxide, tin(IV) oxide, zinc(II) oxide, tungsten, nickel and mixtures thereof. The contact element has a porosity of ≦1.0% by volume, based on a total volume of the contact element. | 03-12-2015 |
Patent application number | Description | Published |
20090126435 | METHOD FOR THE SURFACE PEENING OF A COMPONENT - The present technology relates generally to a method for surface peening, particularly shot peening, of a component, particularly a gas turbine component, in which peening bodies, particularly peening bodies designed as balls, are directed onto a surface of a component being peened, in order to machine or strengthen the surface of the component. According to certain embodiments of the present technology, the temperature and/or the velocity of the peening bodies is measured to establish process control of surface peening. | 05-21-2009 |
20090152099 | METHOD FOR COATING A WORKPIECE - The present technology relates to a method for coating a workpiece, in which a material is applied to the workpiece via a thermal spraying process that is monitored and evaluated to establish on-line process control. According to certain embodiments of the presently described method, infrared emissions of a spray jet are detected with the aid of at least one infrared camera, and properties of the spray jet are determined by analyzing the infrared emissions of the spray jet, which are detected by the at least one infrared camera. | 06-18-2009 |
20090258214 | VAPOR-DEPOSITED COATING AND THERMALLY STRESSABLE COMPONENT HAVING SUCH A COATING, AND ALSO A PROCESS AND APPARATUS FOR PRODUCING SUCH A COATING - The present technology relates to a vapor deposited coating for a thermally stressable component, which comprises deliberately introduced pore formers. This distinguishes the coating from the conventional vapor deposited coatings, which, owing to the coating method do not exhibit pores. Moreover, it distinguishes it from sprayed-on coatings, which do not exhibit any pores or only irregularly shaped pores that are formed arbitrarily. In addition, the present technology relates to a method and a device for producing such a coating. | 10-15-2009 |
20090293623 | SONOTRODE ESPECIALLY FOR ACCELERATING SHOT FOR ULTRASONIC SHOT PEENING - A sonotrode for accelerating shot for ultrasonic shot peening, includes at least one vibration exciter and a cover element that has an output side of the sonotrode, wherein the cover element is to be operated by means of the vibration exciter with a forced vibration such that the value of the vibration amplitude of the cover element corresponds essentially to the value of the vibration amplitude of the vibration exciter, where from this cover element another cover element is set out on the further side of the vibration exciter and in which between these two cover elements is stretched a majority of spring elements in the form of tension springs. | 12-03-2009 |
20100006187 | METHOD FOR SURFACE STABILIZING METAL COMPONENTS - The invention relates to a method for the strengthening of the surface of a structural component with the aid of laser shock processing in which a coating applied to a metallic surface of the component to be strengthened is decomposed with the aid of a laser beam provided by a processing laser through evaporation or pyrolysis under creation of a plasma in such a way that a shock wave induced by interaction of the plasma with the metallic surface deforms the surface plastically and with the laser shock processing being monitored by means of recording light emission values of the plasma. In accordance with the invention, the light emission values are recorded with the aid of a measuring laser in time-delayed fashion relative to the decomposition of the coating with the aid of the processing laser. | 01-14-2010 |
20100294647 | METHOD AND DEVICE FOR PLASMA REFORMATION OF FUEL FOR ENGINE APPLICATIONS - The invention relates to a method for plasma reformation of fuel, in particular kerosene, which method comprises the steps of: | 11-25-2010 |
20130118180 | Exhaust Gas Treatment Of Gas Turbine Engines - A gas turbine engine, especially a turbojet or turbofan for an aircraft, includes a combustion section and an exhaust section produces an exhaust gas. The emission products can be reduced by using a gas treatment device with a reactor and an injection device. The reactor produces a nitrogeneous substance such as ammonia. This reducing agent is injected in the gas phase in the exhaust section of the gas turbine engine. By selective non catalytic reaction the Nitrogen oxides of the exhaust gas can be reduced. Furthermore the injection device is arranged such that the temperature window of this reduction process is ranging from 850° C. to 1100° C. The reactor for producing gaseous ammonia can either be a thermal reactor or a high pressure plasma device. | 05-16-2013 |
20150017044 | ROTARY PISTON ENGINE AND METHOD FOR PRODUCING A ROTARY PISTON ENGINE - A rotary piston engine comprises a stationary housing and a piston movably accommodated in the housing. The housing and the piston form at least one chamber with a chamber surface. At least one partial portion of the chamber surface has a thermal barrier coat for reducing a thermal conductivity of the partial portion of the chamber surface. At least one partial portion of the chamber surface has a metallic spray coat. A method for producing such a rotary piston engine can also be achieved. | 01-15-2015 |