Patents Assigned to Karlsruher Institut fuer Technologie
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Publication number: 20210351708Abstract: The invention relates to a method for controlling a series resonant converter (110), wherein the series resonant converter (110) comprises a primary circuit (112) and a secondary circuit (114), wherein the primary circuit (112) or the secondary circuit (114) comprises a series resonant oscillating circuit (118), wherein the series resonant oscillating circuit (118) comprises at least one capacitance C1 and at least one inductance Li, wherein a link voltage Udc is applied to the primary circuit (112), and wherein the secondary circuit (114) provides an average output current ?out, wherein the control of the series resonant converter (110) is carried out by adjusting an averaged value of the output current ?out using a transfer function, wherein the transfer function is a function of the link voltage Udc, the output voltage UCout, the inductance Li, a switching period tp and a duty cycle D, wherein at least the switching period tp and/or the duty cycle D are adjusted.Type: ApplicationFiled: September 27, 2019Publication date: November 11, 2021Applicant: Karlsruher Institut für TechnologieInventors: Michael Heidinger, Wolfgang Heering, Rainer Kling
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Patent number: 11060955Abstract: A microtome for producing thin sections from a sample includes a sample holder configured to receive the sample and a cutting edge configured to cut the sample, the cutting edge having a specified cutting direction, the cutting direction and the cutting edge spanning a cutting plane. The microtome further includes a movement device configured to produce a relative movement between the sample holder and the cutting unit for cutting the sample in the cutting direction, a feed device configured to produce a relative movement between the sample holder and the cutting edge for cutting the sample in a feed direction at an angle not equal to 0° to the cutting plane, and a liquid volume with a liquid abutting the cutting edge on a side of the cutting edge facing away from the sample holder.Type: GrantFiled: December 11, 2018Date of Patent: July 13, 2021Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: Waldemar Spomer, Ulrich Gengenbach, Julian Hoffmann, Andreas Hofmann, Leonard J. Ness, Warren J. P. Brey, Rasmus Schroeder, Irene Wacker-Schroeder
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IDENTIFICATION OF ONE OR MORE SPECTRAL FEATURES IN A SPECTRUM OF A SAMPLE FOR A CONSTITUENT ANALYSIS
Publication number: 20210181093Abstract: The invention relates to a method for identifying one or more spectral features in a spectrum (4, 5) of a sample for a constituent analysis of the sample, comprising providing the spectrum (4, 5), predefining an approximation function (6), which is a continuously differentiable mathematical function, respectively forming an (n?1)-th order derivative (7, 8, 9) of the spectrum (4, 5) and of the approximation function (6), wherein the number n>1, generating a correlation matrix (10) from the two (n?1)-th order derivatives (7, 8, 9), and respectively identifying the spectral feature or one of the spectral features in each case as a function of a local extremum (i) of the correlation matrix (10) for at least one extremum (i) of the correlation matrix (10) in order to simplify the constituent analysis of the sample.Type: ApplicationFiled: November 8, 2018Publication date: June 17, 2021Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E. V., KARLSRUHER INSTITUT FÜR TECHNOLOGIE (KIT)Inventors: Julius KRAUSE, Robin GRUNA -
Patent number: 11014328Abstract: The present invention relates to a method for adjusting the elasticity of a work material, to a workpiece produced by this method, and to the use thereof.Type: GrantFiled: December 20, 2016Date of Patent: May 25, 2021Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventor: Till-Falco Boese
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Publication number: 20210096152Abstract: The present invention relates to a micro-optomechanical system (500) and to a method for the production thereof.Type: ApplicationFiled: December 4, 2018Publication date: April 1, 2021Applicant: Karlsruher Institut für TechnologieInventors: Philipp-Immanuel Dietrich, Gerald Goering, Matthias Blaicher, Mareike Trappen, Hendrik Hölscher, Christian Koos
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Patent number: 10954155Abstract: The present invention relates to a composition and a process for the production of a molding made of high-purity transparent quartz glass, by means of additive manufacturing.Type: GrantFiled: October 4, 2017Date of Patent: March 23, 2021Assignee: Karlsruher Institut für TechnologieInventors: Bastian Rapp, Frederik Kotz
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Patent number: 10888833Abstract: The present invention relates to a reactor for producing synthesis gas which has a fluid-tight connection to a heat exchanger, and to a process for producing synthesis gas, preferably under high pressure, by using the reactor. The reactor comprises a mixer, a mixing space, a reactor space, separate inlets for at least two fluid reactants and an outlet for at least one fluid product, and a reactor shell surrounding these, and wherein the mixer comprises a mixer base, at least one mixer disk with channels for a first fluid, at least one mixer disk with channels for a second fluid, a mixer closure, and a mixer lid.Type: GrantFiled: March 21, 2017Date of Patent: January 12, 2021Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: Peter Pfeifer, Paolo Piermartini, Tim Boeltken, Robin Duerrschnabel
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Publication number: 20200346210Abstract: A microtiter plate, preferably in the form of an injection-molded part composed of plastic, having at least one first and one second fluid chamber, which are designed in particular as measurement chambers and are connected to one another by a fluid channel which, in cross section, is closed on all sides or all the way round, and the fluid channel is assigned a bubble trap, by way of which the movement of air or gas bubbles moving along a top wall, closing the fluid channel upwardly, of the fluid channel, in particular from the first to the second fluid chamber, can be stopped.Type: ApplicationFiled: May 1, 2020Publication date: November 5, 2020Applicants: InnoME GmbH, Karlsruher Institut für TechnologieInventors: Jürgen Hubbuch, Carsten Radtke, Marie-Therese Schermeyer, Martin Woywod, Daniel Baasner, Jannik Jungmann
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Patent number: 10825585Abstract: A superconductive conductor and method of using the superconductive conductor is described. The superconductive conductor includes a plurality of first conductive strips with a first width and a plurality of second conductive strips with a second width, and a strip stack formed from the first and second conductive strips that has a cruciform-shaped cross section.Type: GrantFiled: August 10, 2016Date of Patent: November 3, 2020Assignee: Karlsruher Institut für TechnologieInventors: Walter Fietz, Michael J. Wolf, Reinhard Heller, Klaus-Peter Weiss
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Publication number: 20200303735Abstract: The present invention is related to an electrode active material for a lithium-ion battery of general formula (I): Li1+x(NiaCobMncMd)1?xO2 wherein x is in the range of from zero to 0.1, a is in the range of from 0.1 to 0.5, b is in the range of from 0.4 to 0.9, c is in the range of from zero to 0.3, d is in the range of from zero to 0.1, M is selected from Al, B, Mg, W, Mo, Ti, Si and Zr, with a+b+c+d=1 and a>c. In addition, the present invention is related to a method of manufacture of electrode active materials and to their use.Type: ApplicationFiled: September 18, 2018Publication date: September 24, 2020Applicants: BASF SE, Karlsruher Institut fuer TechnologieInventors: Pascal HARTMANN, Thomas Michael RYLL, Christopher ERK, Lea DE BIASI
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Patent number: 10763514Abstract: The invention relates to an electrically conductive base material (112) for receiving a coating material (114) which comprises electrically conductive particles (116), a method for the production thereof and the use thereof as current collector for an electrode material comprising electrically conductive particles. The base material (112) comprises a metal foil, wherein at least one surface (118) of the base material (112) provided for receiving the electrically conductive particles (116) has a first structure (120) and a second structure (122), wherein the first structure (120) has first ridges (124) and/or first grooves (126) relative to the surface (118) of the base material (112) and wherein the second structure (122) has second ridges (128) and/or second grooves (130) relative to the surface (132) of the first structure (120).Type: GrantFiled: September 28, 2016Date of Patent: September 1, 2020Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: Wilhelm Pfleging, Johannes Proell, Yijing Zheng
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Patent number: 10758208Abstract: A device for ultrasound-assisted reflection and transmission tomography includes a measurement volume filled with an ultrasonic coupling medium and having an opening for inserting a body to be examined and a lateral surface remote from the opening, and a number of ultrasonic transducers arranged remotely from the opening of the measurement volume, arranged in direct contact with the ultrasonic coupling medium, and arranged oriented into the measurement volume. The arrangement of the ultrasonic transducers around the measurement volume aperiodically follows a random uniform distribution.Type: GrantFiled: February 19, 2015Date of Patent: September 1, 2020Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: Hartmut Gemmeke, Michael Zapf, Torsten Hopp, Robin Dapp, Nicole Ruiter
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Patent number: 10697488Abstract: A connection between at least two joining partners includes an interlying joining gap, with opposite joining surfaces. At least one of the joining surfaces is wetted with an adhesive layer having incorporated and/or attached solids particles, and the remaining joining gap is filled with an inorganic and/or organic filler material.Type: GrantFiled: December 8, 2015Date of Patent: June 30, 2020Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: Thomas Ummenhofer, Matthias Albiez
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Patent number: 10642018Abstract: An imaging device for a microscope (20) is disclosed that comprises a plurality of individual light sources (40) and a detector (15). The plurality of the individual light sources (40) is mounted on a translation stage (110). The imaging device further includes moveable optics arranged to direct a light path (45) onto a stationary sample (60) and collect reflected or fluoresced radiation from the sample (60).Type: GrantFiled: September 6, 2016Date of Patent: May 5, 2020Assignees: KARLSRUHER INSTITUT FÜR TECHNOLOGIE, DITABIS DIGITAL BIOMEDICAL IMAGING SYSTEMS AG, EUROPEAN MOLECULAR BIOLOGY LABORATORYInventors: Lars Hufnagel, Uros Krzic, Urban Liebel
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Patent number: 10629815Abstract: The invention relates to new conjugated semiconducting polymers containing thermally cleavable side groups. The thermally cleavable side groups are selected from among carbonate groups and carbamate groups. By thermally cleaving side groups, the solubility or the polymers can be reduced in a targeted manner. The polymers are used as semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, organic photodetectors (OPDs), organic light emitting diodes (OLEDs), and organic field effect transistors (OFETs).Type: GrantFiled: February 10, 2015Date of Patent: April 21, 2020Assignees: INNOVATIONLAB GMBH, KARLSRUHER INSTITUT FUER TECHNOLOGIE, TECHNISCHE UNIVERSITAET BRAUNSCHWEIG, MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.Inventors: Marius Kuhn, Torben Adermann, Manuel Hamburger, Klaus Muellen, Janusz Schinke, Alexander Colsmann, Stefan Hoefle, Ulrich Lemmer
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Publication number: 20200108401Abstract: An apparatus for a selective fractionation of ultrafine particles includes at least three separating columns fluidically connected in series by connecting lines. An infeed is arranged to feed into a connecting line which is arranged upstream of each separating column. Each connecting line comprises an inlet for a suspension of ultrafine particles to be separated and an inlet for at least one additional mobile phase. The inlets are alternately operated. A discharge branches off from a connecting line which is arranged downstream of each separating column. Each connecting line comprises an outlet for a first and a second discharge suspension of the ultrafine particles. The outlets are alternately operated. A control means provides a simultaneous switching of the through-flow switching position of the shutoff valves at the inlets and outlets. At least one magnetic field source for a magnetic field is arranged in each separating column.Type: ApplicationFiled: February 26, 2018Publication date: April 9, 2020Applicant: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: MATTHIAS FRANZREB, MORITZ EBELER, ANDRE TSCHOEPE
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Patent number: 10604898Abstract: A rail-bound maglev train comprising a guide rail which predefines a travel path, having at least one supra-conductive element (2) and a levitating vehicle which is arranged on the guide rail and has magnetic means (6), wherein the magnetic means interact magnetically in a contactless fashion with the travel path, and at least one supra-conductive element (2) comprises at least one supra-conductive conductor parallel to the travel path (4), and the at least one supra-conductive conductor has at least two electrical connections, wherein the respective at least two connections bound, on a strip, a strip section, arranged between said connections, as a continuous supra-conductive electrical line.Type: GrantFiled: February 9, 2016Date of Patent: March 31, 2020Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: Mathias Noe, Bernhard Holzapfel
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Patent number: 10556479Abstract: A gyroscope-based rotation damper for a motor vehicle, includes a flywheel that is driven via a drive, rotates around an axis of rotation at an angular velocity (??), the flywheel being mounted in a gimbal on the motor vehicle structure by way of a first bearing element and a second bearing element. The flywheel is mounted rotatably around the angle of rotation (?) at the first bearing element, and the first bearing element is rotatably mounted at the second bearing element around a first angle of rotation (?) around a first axis aligned orthogonal to the axis of rotation of the flywheel, and the second bearing element is mounted rotatably around a second angle of rotation (?) around a second axis aligned orthogonal to the first axis, as well as a controller unit for controlling a shaft drive.Type: GrantFiled: December 12, 2015Date of Patent: February 11, 2020Assignees: AUDI AG, Karlsruher Institut für TechnologieInventors: Bastian Scheurich, Tilo Koch, Frank Gauterin, Michael Frey
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Patent number: 10547226Abstract: Electric machine, including a stator on an at least partially electrically conductive housing located on a reference potential, on which are formed slot-like receptacles for stator windings, upon which slot-shaped receptacles are formed for the stator windings, wherein a closure element closing the receptacle on the side of the rotor is provided in each case in the receptacles, and a rotor rotatably mounted in the stator, wherein the closure element is provided with a flat, electrically conductive conductor region for shielding the stator windings from the rotor, wherein the conductor region is connected in an electrically conductive manner to the housing.Type: GrantFiled: November 26, 2015Date of Patent: January 28, 2020Assignees: AUDI AG, Karlsruher Institut für TechnologieInventor: Bastian Heidler
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Patent number: 10527482Abstract: A device for measuring superfine particles masses includes an exposure system with at least two measurement chambers having an identical geometry. Each measurement chamber has a deposition surface for the superfine particles which each have an aerosol feed line. The aerosol feed line has an outlet region to feed an aerosol onto the deposition surface, a means for generating a potential difference between the superfine particles in the aerosol and the deposition surface, and a grid arranged above the deposition surface. The outlet region has a widened outlet cross section having a constant distance from the deposition surface. At least one deposition surface is arranged on a piezoelectric crystal as a superfine balance. A first potential corresponding to a ground potential is present at each deposition surface. A second potential having a potential difference of at least 200 V in relation to the first potential is present at each grid.Type: GrantFiled: December 17, 2015Date of Patent: January 7, 2020Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: Hanns-Rudolf Paur, Sonja Muelhopt, Christoph Schlager