Kirchhof
Christian Kirchhof, Dresden DE
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20110121352 | Organic Photoelectric Device - An organic photoelectric device includes a substrate, a base electrode, an electrode terminal, a roof electrode, an organic functional layer, and a self-supporting cover member. The base electrode is configured above a first surface of the substrate, and the electrode terminal is accessible from above the first surface of the substrate. The self-supporting cover member serves to encapsulate the organic functional layer, which is arranged between the substrate and the self-supporting cover member, the self-supporting cover member being formed from conductive material or being coated with a conductive material on a side facing the substrate. The conductive material is locally coupled, in an electrically conductive manner, to the base electrode or the roof electrode at laterally distributed locations, and is further coupled to the electrode terminal in an electrically conductive manner. | 05-26-2011 |
20110298359 | Lighting element - The invention relates to a lighting element, wherein at least one organic light-emitting diode is formed at an optically transparent substrate as a layer structure. In the lighting element in accordance with the invention, at least one organic light-emitting diode is formed at an optically transparent substrate as a layer structure. The at least one organic light-emitting diode and the substrate are connected to a circuit board and electric contact elements for the connection of the electrodes of the organic light-emitting diode(s) are present at the surface of the circuit board. The surface of the circuit board facing in the direction of the organic light-emitting diode(s) is provided over its full area with a metallic coating as a permeation barrier. The metallic coating is only breached by electric insulators formed about the contact elements. | 12-08-2011 |
20150054402 | LIGHT-EMISSION DEVICE WITH AN OLED ELEMENT - A light-emission device with a two-dimensional OLED element and an encapsulation element for protecting the OLED element. The light-emission device furthermore has a support, on which the OLED element is arranged in such a way that the encapsulation element points toward the support, and an electrical conductor element for an electrical connection between the support and the OLED element. wherein the electrical conductor element is elastic in a normal direction to the OLED element. By way of example, the conductor element can be helical. As a result of the elastic property thereof, the conductor element can absorb mechanical tension while ensuring reliable electrical contacting. Hence, this can reduce or even avoid the risk of the electrical connection between the support and the OLED element being disadvantageously influenced or impaired by forces which can occur when handling the light-emission device or which can be generated by temperature variations. | 02-26-2015 |
Christian Kirchhof, Grossdittmannsdorf DE
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20090302729 | Flat Lighting Devices and Method of Contacting Flat Lighting Devices - A flat lighting device includes a layer arrangement, anode and cathode contact regions. The layer arrangement includes an anode layer, a cathode layer, and an organic light-emitting layer arranged between the anode and cathode layers, the layer arrangement having a flat shape which is laterally bounded by an edge region. The anode contact regions contact the anode layer and are implemented along the edge region. The cathode contact regions contact the cathode layer and are implemented along the edge region. The flat shape has a rotational invariance toward rotation by discrete angles. The anode and cathode contact regions may be contacted from one side of the flat shape of the layer arrangement and are arranged to be laterally distributed over the edge region such that the lateral distribution of the anode and cathode contact regions is maintained upon rotation of the layer arrangement by the discrete angles. | 12-10-2009 |
Darrin Glen Kirchhof, Schenectady, NY US
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20090112374 | METHOD AND SYSTEM FOR POWER PLANT BLOCK LOADING - Block loading may occur during the process of restoring an electrical grid after a blackout. A method and system for coordinating the loading of a combined cycle power plant to support block loading is provided. The power plant may include a gas turbine and a steam turbine. The method and system may provide load control loops, for the gas and steam turbine, which support block loading. | 04-30-2009 |
20090292436 | CONTROL OF COMBINED CYCLE POWER GENERATION SYSTEM - A control system for a combined cycle power generation system including a gas turbine engine (GT), a heat recovery steam generator (HRSG), and a steam turbine (ST) includes a display wherein an operator may observe information about predicted operating parameters; a user interface wherein an operator may provide additional operating constraints; and a controller configured to generate input profiles of the GT, the HRSG, and the ST that satisfy the nominal constraints and any additional constraints and to generate the information about the predicted operating parameters. The controller may be configured to detect a stage transition of power generation system operation and update the input profiles. The controller may be configured to generate alternative operating scenarios by mapping alternative control actions to an operating constraint of at least one of the system components. | 11-26-2009 |
20100077970 | INTER-STAGE ATTEMPERATION SYSTEM AND METHOD - Systems and methods for controlling exhaust steam temperatures from a finishing superheater are provided. In certain embodiments, the system includes a controller which includes control logic for predicting an exhaust temperature of steam from the finishing superheater using model-based predictive techniques (e.g., based on empirical data or thermodynamic calculations). Based on the predicted exhaust temperature of steam, the control logic may use feed-forward control techniques to control the operation of an inter-stage attemperation system upstream of the finishing superheater. The control logic may determine if attemperation is required based on whether the predicted exhaust temperature of steam from the finishing superheater exceeds a set point temperature as well as whether the inlet temperature of steam into the finishing superheater drops below a set point temperature of steam. The attemperation system may include a characterizing function to linearize the valve operation controlled by the control logic to inject cooled, high-pressure feedwater into the steam upstream of the finishing superheater, which may, in turn, control the exhaust temperature of steam from the finishing superheater. The disclosed embodiments may also be applied to any systems where an outlet temperature of a fluid from a heat transfer device may be controlled. | 04-01-2010 |
Henri Kirchhof, Koln DE
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20100062223 | LASER WELDED SEAT STRUCTURE - A structure includes a first part provided in a first plane and second and third parts provided in a second plane located under the first plane. The second and third parts are welded together at a welded seam. The first part has at least one recess configured to receive a welding mechanism that forms the welded seam on the second and third parts. Another structure includes an “n” number of layers, n being at least three. Adjacent layers are in contact with one another and are connected by a welded seam. The structure also includes an outer surface. The layers between the outer surface and the respective welded seam define a recess through which a welding mechanism is configured to be passed as far as the respective layers to be welded to produce the welded seam. | 03-11-2010 |
Jérôme Kirchhof, Neuchatel CH
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20150198925 | REVERSER FOR TIMEPIECE - A reverser for a timepiece including a first input moving part having a first receiving toothing and integral with a first transmission toothing, a second input moving part having a second receiving toothing and integral with a second transmission toothing, a first satellite cooperating with the first transmission toothing configured to rotate in a single direction, a second satellite cooperating with the second transmission toothing configured to rotate in a single direction, the satellite being freely rotatable relative to the first satellite, a satellite carrier carrying the second satellite and an output moving part integral with the satellite carrier in which the first satellite is carried by the satellite carrier. | 07-16-2015 |
Johannes Kirchhof, Jena DE
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20100251771 | METHOD FOR PRODUCING DOPED QUARTZ GLASS - The invention relates to a method allowing cost-effective production of doped quartz glass, particularly laser-active quartz glass, that is improved with regard to the homogeneity of the doping material distribution, in that a suspension is provided comprising SiO | 10-07-2010 |
20150259238 | HYDROGEN-SUPPORTED FLUORINATION OF SOOT BODIES - The invention relates to a method for fluorinating a soot body. The method involves: | 09-17-2015 |
Klaus Kirchhof, Niedernhausen DE
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20090208154 | PLAIN BEARING BUSH, USE OF THE SAME, AND PRODUCTION THEREOF - A plain bearing bush includes at least one abutment disk. The plain bearing bush and the abutment disk respectively comprising a steel back and at least one sliding layer. The abutment disk is embodied as a single component or multiple components and is fixed to the front side of the plain bearing bush by means of laser welding. | 08-20-2009 |
Martin Kirchhof, Munchen DE
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20100259011 | SEAL RING OF A MECHANICAL SEAL ASSEMBLY - The invention relates to a seal ring of a mechanical seal assembly, comprising a base body made of a material including at least one carbide material and a coating provided at the base body and creating a sliding surface, said coating consisting of a diamond material. The inventions is characterized in that the base body is formed of a two-component material by embedding particulate regions made of a diamond material compatible with the diamond material of the coating into the material comprising at least one carbide. | 10-14-2010 |
Martin Kirchhof, Miesbach DE
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20130038023 | MECHANICAL FACE SEAL WITH A ROTATING COUNTER RING AND PRECISELY DEFINED CLAMPING - A mechanical face seal includes a rotating counter ring having a sealing surface and two radial planes. Each of the radial planes is associated with a clamping cam. A stationary face seal ring has a sealing surface opposite from the sealing surface of the counter ring. The sealing surfaces. of the counter ring and the face seal ring bear against each other. | 02-14-2013 |
20130038024 | SLIDE RING SEAL - A mechanical face seal includes a rotating counter ring having a sealing surface and a stationary face seal ring having a sealing surface. The sealing surface of the counter ring is disposed opposite from the sealing surface of the face seal ring. The sealing surfaces of the counter ring and the face seal ring bear against each other. | 02-14-2013 |
Robert Kirchhof, Rosrath DE
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20150276555 | TRAIN TEST PLATFORM - A train test platform for testing actual train components of a multiple car railway train and a method to test such actual train components includes a supervisor unit and several car units linked by a reflective memory system. The actual components to be tested are installed in instrumentation units of the respective car units. The instrumentation units provide break-out interfaces for connecting the actual train components to a train communication system having the wiring, bus systems, or power supplies Further the instrumentation units simulate those components not being present physically in the respective cars. Testing is performed by monitoring and manipulating signals at the break-out interfaces in real-time. All testing is controlled by the supervisor unit using the reflective memory to exchange information with the platform components in the respective car units. | 10-01-2015 |
Susanne Kirchhof, Regensburg DE
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20140348772 | PRODUCTION OF HYDROGELS BY MEANS OF DIELS-ALDER REACTION - The present invention is directed to hydrogels and their preparation by cross-linking macromonomers by means of Diels-Alder reaction. The hydrogels described in the invention, which can gel in situ, are suitable, inter alia, as biomaterial for medical applications, as scaffolding material for living cells and as carrier system for the controlled release of drugs. | 11-27-2014 |
Ullrich Kirchhof, Shotten DE
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20110081212 | TOOL INTERFACE - A tool interface ( | 04-07-2011 |