Tietz, DE
Alexander Tietz, Schweinfurt DE
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20100310203 | CAGE FOR A ROLLING ELEMENT BEARING AND METHOD FOR THE PRODUCTION THEREOF - A cage for a rolling element bearing and a method for the production thereof. The cage has either an increased number of rolling elements or improved load-bearing capacity. The cage has a plurality of cage pockets for receiving the rolling elements, two side rings and a plurality of cross-ribs. The cross-ribs connect the side rings such that the cage pockets are formed. The cage pockets have milled-out or drilled-out corner regions, hereinafter collectively referred to as milled-out corner regions The corner regions, in a cutting plane perpendicular to the axis of rotation of the cage, have a radial milling course in the direction of the axis of rotations. The milling course, at least in a partial section, is configured at an incline with respect to a radial vector placed through the partial section and the axis of rotation, and is configured at an incline in the direction of the cage pocket. | 12-09-2010 |
20110064345 | ROLLING ELEMENT HAVING LUBRICANT DEPOT AND ROLLER BEARING - A rolling element for a roller bearing and a corresponding roller bearing for lubrication. To this end, a rolling element for a roller bearing which has a base body with a receptacle and a lubricant depot is proposed. The lubricant depot is disposed in the receptacle, and has a mounting device disposed in the receptacle and forms a boundary surface on the edge for the lubricant depot. | 03-17-2011 |
Benno Tietz, Koln DE
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20100267381 | Method and Arrangement for Using Certain Information Acquired Upon Registration at a Base Station Especially for Traffic Forecasting - In a method and an arrangement for using certain data acquired upon registration of a mobile communication device of a mobile subscriber of a cellular provider at a switching center, in particular for traffic forecasting, wherein the acquired data comprise at least a numerical identification associated with the person of the subscriber and time and location of registration at the switching center, the numerical identification is used at least partially as an argument of a true one-way function or pseudo one-way function for calculating a functional value. The functional value is associated with the acquired data, especially time and location of the registration. The acquired data including the functional value but without the numerical identification are transmitted to a unit using the data. | 10-21-2010 |
Christoph Tietz, Ottobrunn DE
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20130204815 | METHOD FOR THE COMPUTER-AIDED LEARNING OF A RECURRENT NEURAL NETWORK FOR MODELING A DYNAMIC SYSTEM - A method for the computer-aided learning of a recurrent neural network for modeling a dynamic system which is characterized at respective times by an observable vector with one or more observables as entries is provided. The neural network includes both a causal network with a flow of information that is directed forwards in time and a retro-causal network with a flow of information which is directed backwards in time. The states of the dynamic system are characterized by first state vectors in the causal network and by second state vectors in the retro-causal network, wherein the state vectors each contain observables for the dynamic system and also hidden states of the dynamic system. Both networks are linked to one another by a combination of the observables from the relevant first and second state vectors and are learned on the basis of training date including known observables vectors. | 08-08-2013 |
20140201118 | METHOD FOR THE COMPUTER-ASSISTED MODELING OF A TECHNICAL SYSTEM - Disclosed is a method for the computer-assisted modeling of a technical system. One or more output vectors are modeled dependent on one or more input vectors by the learning process of a neural network on the basis of training data of known input vectors and output vectors. Each output vector comprises one or more operating variables of the technical system, and each input vector comprises one or more input variables that influence the operating variable(s). The neural network is a feedforward network with an input layer, a plurality of hidden layers, and an output layer. The output layer comprises a plurality of output clusters, each of which consists of one or more output neurons, the plurality of output clusters corresponding to the plurality of hidden layers. Each output cluster describes the same output vector and is connected to another hidden layer. | 07-17-2014 |
Felix Tietz, Hamburg DE
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20110023781 | DEVICE FOR THE PLASMA TREATMENT OF WORKPIECES - The device serves for the plasma treatment of workpieces. The workpiece is placed in the chamber of a treatment station which can at least partially be evacuated. The plasma chamber is defined by a chamber bottom, a chamber cover, as well as a lateral chamber wall, and has a positionable gas lance. The gas lance is constructed at least partially of a dielectric. | 02-03-2011 |
Frank Tietz, Julich DE
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20090155666 | Bipolar plate and process for producing a bipolar plate - In order to provide a bipolar plate for a fuel cell unit, wherein the bipolar plate comprises a support layer of a metallic material and a protective layer, wherein the protective layer comprises an at least binary oxide system with at least two different types of metal cations, the protective layer of which prevents the formation of an oxide layer or changes the properties of the formed oxide layer such that lower mechanical stresses occur in the oxide layer, it is proposed that one type of metal cation of the oxide system of the protective layer is Mn and a further type of metal cation of the oxide system of the protective layer is Cu. | 06-18-2009 |
Frank Tietz, Juelich DE
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20100028757 | CERAMIC MATERIAL COMBINATION FOR AN ANODE OF A HIGH-TEMPERATURE FUEL CELL - The invention relates to an anode for a high-temperature fuel cell having an anode substrate and/or a functional anode layer, comprising a porous ceramic structure having a first predominantly electron-conducting phase with the general empirical formula Sr | 02-04-2010 |
20100323267 | Method for producing an electrically insulating sealing arrangement for a fuel cell stack and sealing arrangement for a fuel cell stack - In order to create a method for producing an electrically insulating sealing assembly for producing a seal between two components of a fuel cell stack, which allows for production of a sealing assembly that offers long-term stability during operation of a fuel cell system and provides good gas tightness and good electrical insulation properties, a method comprising the following steps is proposed: applying an insulating layer starting material onto a substrate in a wet-chemical process; heating the insulating layer starting material to a sinter temperature so as to produce a sintered, electrically insulating, ceramic insulating layer; and directly or indirectly joining the insulating layer to the components to be sealed. | 12-23-2010 |
Frank Tietz, Dresden DE
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20100126642 | PROCESS AND APPARATUS FOR HARDENING THE SURFACE LAYER OF COMPONENTS HAVING A COMPLICATED SHAPE - The invention relates to the hardening of the surface layer of parts of machines, plants and apparatuses and also tools. Objects for which the application is possible and advantageous are components which are subjected to severe fatigue or wear stresses and are composed of hardenable steels and have a complicated shape and whose surface has to be hardened selectively on the functional surfaces or whose functional surface has a multidimensional shape. The process for hardening the surface layer of components having a complicated shape is carried out by means of a plurality of energy input zones. According to the invention, it is characterized in that the energy input zones are conducted on different curved parts separately in space and time and by means of cooperatively working transport systems so that superposition of the individual temperature fields forms a uniform temperature field which completely covers the functional surface of the component and within which each surface element of the later hardening zone of the component attains the selected austenite formation temperature interval ΔT | 05-27-2010 |
Helga Tietz, Oelde DE
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20110212821 | CENTRIFUGE HAVING A DRUM PROVIDED WITH A SEPARATOR DISK PACKAGE - A centrifuge, such as a continuously working separator, includes a drum having a vertical rotational axis, a single or double conical inner jacket, an inlet pipe, and a distributor into which the inlet pipe opens. The distributor includes at least two distributor channels distributed about a circumference of the distributor. The centrifuge further includes a disk package including separator disks. | 09-01-2011 |
Maik Tietz, Crailsheim DE
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20130180241 | Conveying System for Oil or Gas - The invention concerns a conveyor system for oil or gas | 07-18-2013 |
Marko Tietz, Wildau DE
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20110183602 | JAMMING APPARATUS AND METHOD FOR JAMMING A TARGET SIGNAL - In various areas of application, it is desirable to have a jamming apparatus for jamming radio signals which is greatly limited in geographical terms and ensures reliable jamming of the radio signals. The present application solves this problem by providing a jamming apparatus which comprises: | 07-28-2011 |
Martin Tietz, Heidenheim DE
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20080248321 | Method for the Production of Single-and/or Multiple-Coated Substrates - A process for the production of singly and/or multiply coated paper and/or board, except for photographic papers and self-adhesive labeling papers, which are particularly suitable for printing, packaging and inscription, is described. The substrate, for example base paper or board, is coated once or several times with a free-falling liquid curtain, the coating liquid having in particular an extensional viscosity of from 1 to 1000 Pa·s at a Hencky strain of from 1 to 15. | 10-09-2008 |
20100080919 | METHOD FOR PRODUCING SINGLE OR MULTIPLY COATED SUBSTRATES WITH THE AID OF A COLOURED COATING COMPOSITION COMPRISING A BINDING AGENT FOR ADHESION - A coating slip composition which can be applied by the curtain coating method to substrates to be coated, for example base paper or cardboard, is described. The substrate, which may be base paper or cardboard, is coated with one or more free-falling liquid curtains, a binder being added to the coating liquid. The binder is selected from the group comprising styrene/butadiene latex binders, styrene/acrylate latex binders, styrene/butadiene/acrylonitrile latex binders, styrene/maleic anhydride binders and styrene/acrylate/maleic anhydride binders, the binder having a particle size of <130 nm. | 04-01-2010 |
Wolfgang Tietz, Biendorf DE
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20100273224 | PRODUCTION OF LACTIC ACID BY WAY OF FERMENTATION AND EXTRACTION OF AMINES - The invention relates to a process for the production and isolation of lactic acid which is produced by way of fermentation of a carbohydrate-bearing feedstock and the addition of ammonia. The lactic acid is released from the ammonium salt of the lactate by adding a mineral acid and the lactic acid isolation takes place by extraction with the aid of an alkylated amine. The extraction is preferably operated at a pH value of 4.0 to 2.0, thereby obtaining a multi-phase mixture which is split up. The phase thus obtained with the lactate salt of amine subsequently undergoes distillation, so that lactic acid is obtained as pure product or the phase with the lactate salt of amine are thermally decomposed, thereby producing an oligolactide that is distillable and thus yields a pure dilactide. The invention also encompasses a device suitable for the performance of the inventive process. | 10-28-2010 |
20120149920 | Method for the production of a mixture of lactide derivatives - A mixture of cyclic diesters derived from lactic acid and in cases a mixture of a racemate of dilactide may be produced in several different processes. In some instances, the process can thereby start from the corresponding alpha-hydroxycarboxylic acids, the corresponding cyclic diesters or oligomers of the corresponding alpha-hydroxycarboxylic acids. | 06-14-2012 |
20130096343 | PROCESS FOR REMOVING, ISOLATING AND PURIFYING DICARBOXYLIC ACIDS - A process for removing, isolating and purifying dicarboxylic acid from fermentation broths, which includes the following steps: 1) removal of the biomass and any solids present from the fermentation broth in two successive stages, 2) removal of the dicarboxylic acid solution from the biomass-free fermentation broth by simulated moving bed (SMB) chromatography, 3) fine purification of the dicarboxylic acid solution, 4) multistage evaporative concentration and crystallization, and 5) separation and drying of the crystals. | 04-18-2013 |
20140212957 | PRODUCTION OF OPTICALLY PURE PROPANE-1,2-DIOL - A method for producing optically pure propane-1,2-diol, including the method steps: a. hydrogenation of lactides, metal-catalysed heterogenous catalysis being carried out in the presence of hydrogen, a crude product containing propane-1,2-diol being produced, and b. dynamic, kinetic racemate resolution, propane-1,2-diol of an optical purity in the range of ≧99% e.e. being produced. | 07-31-2014 |
20140323682 | QUALITY TEST FOR POLYMERIZABLE LACTIC ACID AND METHOD FOR PRODUCING SAME - Disclosed is a test and test apparatus used to determine whether lactic acid is suitable for polymerization. The test apparatus comprises a) means for the polycondensation of the lactic acid to form a pre-polymers, b) means for depolymerization of the prepolymer to form dilactide, and c) means for carrying out analytical methods to determine at least one of the dilactide yield and/or the racemization, wherein lactic acid which is suitable for polymerization exhibits a dilactide yield of >90% and a racemization of <5%, | 10-30-2014 |
20140371486 | METHOD FOR PURIFYING CARBOXYLIC ACIDS FROM FERMENTATION BROTHS - Disclosed is a method for removing and purifying carboxylic acids from fermentation broths, comprising removing biomass and any solids present from the fermentation broth, finely cleaning up the biomass-free and solids-free fermentation broth by nanofiltration, and removing the carboxylic acid from the finely cleaned, biomass-free, and solids free fermentation broth by adsorption to one or more solid phases having tertiary amino groups. | 12-18-2014 |