De Boer, DE
Bernd De Boer, Altena DE
Patent application number | Description | Published |
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20100086433 | Iron-nickle alloy with a high level of ductility and a low expansion coefficient - The invention relates to a solid-solution strengthened iron-nickel alloy with a high level of ductility and an expansion coefficient <5×10 | 04-08-2010 |
20100310412 | AUSTENITIC HEAT-RESISTANT NICKEL-BASE ALLOY - Austentic heat-resistant nickel-base alloy comprising (in % by mass) 0.03-0.1% of C, 28-32% of Cr, 0.01-<0.5% of Mn, 0.01-<0.3% of Si, 0.01-<1.0% of Mo, 2.5-3.2% of Ti, 0.01-<0.5% of Nb, 0.01-<0.5% of Cu, 0.05-<2.0% of Fe, 0.7-1.0% of Al, 0.001-<0.03% of Mg, 0.01-<1.0% of Co, 0.01-0.10% of Hf, 0.01-0.10% of Zr, 0.002-0.02% of B, 0.001-0.01% of N, max. 0.01% of 5, max. 0.005% of Pb, max. 0.0005% of Bi, max. 0.01% of Ag, balance Ni and minor components due to the production method, where the sum of Ti +Al is from 3.3 to 4.3%, the sum of C+(10×B) is from 0.05 to 0.2%, the sum of Hf+Zr is from 0.05 to 0.15%, the Ti/Al ratio is >3 and Zr/Hf is 0.1 to 0.5. | 12-09-2010 |
20110056589 | IRON-NICKLE ALLOY - Disclosed is an iron-nickel alloy having the following composition, in % by mass: C 0.05 to 0.5%, Cr 0.2 to 2.0%, Ni 33 to 42%, Mn<0.1%, Si<0.1%, Mo 1.5 to 4.0%, Nb 0.01 to 0.5%, Al 0.1 to 0.8%, Mg 0.001 to 0.01%, V max. 0.1%, W 0.1 to 1.5%, Co max. 2.0%, the remainder Fe, and production-related impurities. | 03-10-2011 |
Gerrit De Boer, Hildesheim DE
Patent application number | Description | Published |
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20080221749 | Diagnostic Interface for Applications on a Service Gateway - A method for supplying internal information relevant for performing a diagnosis, of an application available in a vehicle and running on a service gateway, in which a defined uniform application diagnostic interface, via which communication with the service gateway is made possible, is provided in the application. | 09-11-2008 |
20080306960 | Starting Up an Application in a Mobile Client - A method for starting up an application in a mobile data processing device, for the operation of which an information database is required in the device. The inventive method includes the following steps: | 12-11-2008 |
20110040538 | METHOD FOR PREPARING MODELS - The invention relates to a method for preparing models of technical devices, wherein each technical device comprises units that are connected to each other by means of connection points, wherein, when performing the method, at least one structure made of units connected to each other by means of connection points comprising similarities for all technical devices is integrated and automatically described as at least one mutual module ( | 02-17-2011 |
20110199198 | Method for operating a heads-up display system, heads-up display system - In a method for operating a heads-up display system of a vehicle, the roadway state of the roadway to be traveled by the vehicle is checked using at least one suitable sensor, and a warning message is displayed at a location on the windshield in the case of detection of a critical roadway state, the location of the warning message corresponding to the dangerous, driving area of the roadway as viewed from the driver's perspective. | 08-18-2011 |
20110248842 | Method for Displaying a Warning Message in a Vehicle - A method for displaying a warning message in a first vehicle, includes transmitting from a second vehicle a warning and position data relating to a position of the second vehicle to the first vehicle, wherein if, after reception of the warning and of the position data by the first vehicle, it is concluded on the basis of the received position data that the second vehicle can be seen by a driver of the first vehicle in a region of a head-up display of the first vehicle, the warning message is displayed in such a way that the second vehicle is characterized visually for the driver of the first vehicle in the head-up display of the first vehicle. | 10-13-2011 |
Joachim De Boer, Aurich DE
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20140352311 | METHOD FOR OPERATING A WIND TURBINE OR A WIND FARM - Thus, a method for operating a wind turbine, a wind farm or the like and a power-to-gas unit connected electrically thereto is provided. The wind turbine or the wind farm generates electric power if there is sufficient wind and feeds this power into an electrical grid connected to the wind turbine or to the wind farm. Each wind turbine is operated with a predetermined power curve. Electric power is generated by the wind turbine or the wind farm once a first wind speed (starting wind) has been reached. The wind turbine or the wind farm is in a partial-load operating mode as long as the wind speed is between the first wind speed (starting wind) and a second wind speed (nominal wind). The wind turbine or the wind farm is in a nominal power range when the wind speed is in a range which is greater than the second wind speed (nominal wind speed). Electric power generated by the wind turbine or the wind farm, preferably at least a predetermined proportion of said power, is consumed in the power-to-gas unit, with the result that a combustible gas, in particular hydrogen and/or methane gas or the like, is generated in the power-to-gas unit. The proportion of the electric power which is generated by the wind turbine or the wind farm in the partial-load operating mode and is not consumed in the power-to-gas unit is set to be virtually constant for a predetermined time segment, for example | 12-04-2014 |
20150253369 | METHOD FOR MONITORING MULTIPLE ELECTRICAL ENERGY LINES IN A CABLE STRAND - The invention concerns a method for monitoring a cable strand containing multiple electrical lines, such that the cable strand is designed to conduct electrical energy generated by a generator in a wind turbine involving the steps: measuring the temperature of at least two of the electrical lines, comparing the temperatures of said lines, and determining whether the two temperatures deviate from one another by more than a predefined threshold. | 09-10-2015 |
Johannes De Boer, Uechtelhausen DE
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20090154860 | TAPERED ROLLER BEARING - The invention relates to a tapered roller bearing comprising at least one conical outer roller track, at least one conical inner roller track and tapered rollers which are arranged in a radial manner between the roller tracks and about the longitudinal central axis of the tapered roller bearing. The tapered rollers respectively comprise a conical first covering surface for carrying out an effective radial connection towards the outside in the rolling contact with the inner roller track and for carrying out an effective radial connection towards the inside in the rolling contact with the outer roller track and the central lines of the tapered rollers intersect in a common intersecting point on the longitudinal central axis. | 06-18-2009 |
Nicole De Boer, Altena DE
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20160071632 | METHOD FOR PRODUCING A METAL FILM - A method for producing a metal film from an alloy having more than 50% nickel includes the following steps: (a) the alloy is melted in volumes of more than one ton in a vacuum induction furnace, or open in an induction or arc furnace, followed by treatment in a VOD or VLF system, (b) the alloy is then poured off in blocks, electrodes or as continuous casting to form a pre-product, followed by single or multiple re-melting by VAR and/or ESU (c) the pre-product is then annealed between 800 and 1350° C. for 1-300 hours under air or protection gas, (d) the pre-product is then hot-formed between 1300 and 600° C. to reduce the thickness of the input material by the factor 1.5-200, such that the pre-product has a thickness of 1-100 mm after the forming and is not recrystallized, recovered, and/or (dynamically) recrystallized having a grain size of smaller than 300 μm, (e) the pre-product is then pickled, (f) the pre-product is then cold-formed to produce a film having an end thickness of 10-600 μm, having a deformation ratio of greater than 90%, (g) the film is then cut into strips of 5-300 mm following the cold-forming, (h) the film strips are then annealed under protection gas between 600 and 1200° C. for 1 second to 5 hours in a continuous furnace, (i) wherein the annealed, film-like material is recrystallized after the annealing and has a high proportion of cubic texture. | 03-10-2016 |
20160083827 | METHOD FOR PRODUCING A METAL FILM - A method for producing a metal film composed of an alloy having more than 50% nickel (a) melts the alloy in amounts of more than one ton in a vacuum induction furnace, or openly in an induction or arc furnace, followed by treatment in a VOD or VLF installation, (b) the alloy is cast into blocks, electrodes or as continuous casting to form a pre-product, (c) the pre-product is annealed if necessary at temperatures between 800° C.-1350° C. for 1-300 hours under air or protective gas, and (d) hot rolled between 1300° C.-600° C. to reduce the thickness of the starting material by a factor of 1.5-200, such that the pre-product has a thickness of 1-100 mm after the rolling and is not recrystallized, recovered, and/or is (dynamically) recrystallized having a grain size less than 300 μm, (e) the pre-product is pickled, (f) then cold worked to produce a film with a degree of deformation greater than 90% to a final thickness of 10-600 μm, (g) the film is cut into strips of 5-300 mm after the cold working, (h) the film strips are coated with a ceramic powder loosely or by an adhesive or by an oxide dissolved in alcohol or covered with a separating film and, if necessary, dried, (i) the film strips are wound annularly onto one or more mandrels or one or more sleeves, wherein the inner and the outer end are each spot-welded or clamped, (j) the annularly wound film strips are annealed under protective gas at temperatures between 600° C.-1200° C. for 1 min to 300 h, (k) wherein the annealed film-like material is recrystallized after the annealing and has a large proportion of cubic texture. | 03-24-2016 |
Wolfgang De Boer, Moormerland DE
Patent application number | Description | Published |
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20120104756 | METHOD FOR OPERATING A WIND TURBINE - The invention concerns a method of operating a wind power installation. The wind power installation has a circuit for measuring the frequency prevailing in the electrical supply network connected to a control device for controlling operation of the wind power installation. It is proposed that the power delivered by the generator of the wind power installation to the network is increased quickly and for a short period above the currently prevailing power of the wind power installation if the network frequency of the electrical network is below the desired target frequency of the network by a predetermined frequency value. | 05-03-2012 |
20130106108 | METHOD FOR THE OPERATION OF A WIND TURBINE | 05-02-2013 |
20140246857 | METHOD FOR CONTROLLING A WIND TURBINE - One embodiment of the invention relates to a method for controlling a wind turbine, having the steps of detecting an internal fault signal which is generated in the first wind turbine and which indicates a disruption of the first wind turbine; receiving at least one external fault signal which is generated outside of the first wind turbine and which indicates a disruption of another wind turbine; and evaluating the internal fault signal dependent on the at least one external fault signal. | 09-04-2014 |
20150054280 | METHOD FOR OPERATING A WIND TURBINE - The invention concerns a method of operating a wind power installation for generating electrical power from wind, wherein the wind power installation is operated selectively in a first or a second operating mode, and the wind power installation in the first operating mode generates as much electrical power as is possible on the basis of the prevailing wind and the design of the wind power installation, and the wind power installation in the second operating mode generates less electrical power than in the first operating mode, wherein the wind power installation is controlled in the first operating mode with a first adjustment parameter set and in the second operating mode with a second adjustment parameter set different from the first adjustment parameter set, and when the wind power installation is operated in the second operating mode the power which can be generated at a maximum with the first adjustment parameter set or a differential power as the difference between that maximum power which can be generated and the power currently generated in the second operating mode, in dependence on the second adjustment parameter set, is ascertained, and/or the second adjustment parameter set is selected in dependence on a desired power reduction by which a power to be generated by the wind power installation is to be lower with respect to the power which can be generated at the maximum by the wind power installation in the first operating mode. | 02-26-2015 |
20150211486 | METHOD FOR OPERATING A WIND TURBINE - The invention relates to a method for operating at least a first wind turbine including the steps of: recording a tower oscillation, initiating a measure to reduce oscillation if the tower oscillation is or contains a longitudinal oscillation, and if the amplitude of the longitudinal oscillation exceeds a predefined threshold value, and the measure for reducing the oscillation comprises freezing the current pitch angle at the current value for a predefined freezing period, switching the pitch control algorithm used, in particular in such a way that the control speed is reduced, adjusting the yaw position by a predefined yaw angle, switching the operation of the first wind turbine from a first operating mode based on a first power curve to a second operating mode based on a second power curve, and/or if, with regard to the current wind direction, the first wind turbine in a wind park is located behind a second wind turbine, adjusting the rotational speed of the first wind turbine to the rotational speed of the second wind turbine in such a way that the rotational speed of the first wind turbine differs from the rotational speed of the second wind turbine by at least a predefined differential rotational speed. | 07-30-2015 |