ZENERGY POWER GMBH Patent applications |
Patent application number | Title | Published |
20120080424 | Method for Inductive Heating of a Workpiece - A method for inductive heating of an electrically conducting workpiece, by rotating the workpiece in a magnetic field of a direct-current carrying coil arrangement comprising superconductive windings about a rotation axis that forms an angle with the principal axis of the magnetic field, allows temperatures that differ from each other along the workpiece to be obtained when the flux density of the magnetic field permeating the workpiece is set differently along the rotation axis. | 04-05-2012 |
20120021916 | METHOD AND APPARATUS FOR HEATING SHEET MATERIAL - A method and an apparatus for heating a sheet material made of an electrically conductive, non-magnetic material, the apparatus including at least one coil arrangement with DC-carrying windings that is made to rotate around an axis oriented perpendicular to the sheet material and to thereby induce eddy currents in the sheet material. | 01-26-2012 |
20110319270 | Apparatus for Melting Metal Pieces - An apparatus for melting down metal pieces and/or metal powders in a heat-resistant crucible which is enclosed by at least one coil arrangement generating a DC magnetic field predominantly penetrating the crucible transversely to its central axis and inducing short-circuit currents during rotation of the crucible around its central axis. The coil arrangement comprises at least one superconducting winding in a cryostat and a lowerable stamp rotates in the same direction as the crucible. | 12-29-2011 |
20110263433 | HIGH-TEMPERATURE SUPERCONDUCTIVE LAYER ARRANGEMENT - A high-temperature superconductor layer arrangement includes at least one substrate and one textured buffer layer made of oxidic material. The buffer layer displays at least one further constituent forming a homogeneous mixed-crystal layer. The further constituent is a transition metal from the first subgroup and/or forming at least a partial melt with the oxidic buffer material at an annealing temperature of ≦1,600 degrees Celsius. The further constituent can particularly be copper and/or silver. | 10-27-2011 |
20110237441 | METHOD FOR PRODUCING METAL SUBSTRATES FOR HTS COATING ARRANGEMENTS - A method is proposed for producing a biaxially textured metal substrate having a metal surface, wherein the substrate is modified in order to produce a high-temperature superconductor coating arrangement and wherein the metal surface is modified in order to deposit a buffer layer or another intermediate layer epitaxially thereon and/or to deposit an oriented high-temperature superconductor (HTS) layer thereon. The method includes producing a biaxially textured metal substrate, subjecting the metal substrate surface to a polishing treatment, in particular an electropolishing treatment, and subjecting the metal substrate to a post-annealing after the surface polishing treatment and before a subsequent coating is performed involving epitaxial deposition of a layer of the HTS coating arrangement. This method results in smooth metal substrates with high textural overcoats and thereby improved HTS layers. | 09-29-2011 |
20110189621 | Sintering Furnace for Producing an HTSC Strip - The invention relates to a method for producing a high temperature superconductor (HTSC) from a strip including an upper side precursor layer and which, for continuous sintering of the precursor layer within a furnace in the presence of a fed-in reaction gas, is drawn across a support. A furnace for performing the method is also described. | 08-04-2011 |
20100320765 | Wave Power Generating Installation Based on the Principle of the Oscillating Water Column - To increase in particular the level of efficiency in the conversion of sea wave energy into electrical energy there is proposed a wave power generating installation having a chamber for the positive guidance of an oscillating water column, wherein the chamber which is closed in itself below the surface of the water has an opening through which water flows into the chamber and then out again, and a means for taking mechanical energy from the oscillating water column and for converting the mechanical energy into electrical energy. The generating installation according to the invention is distinguished in that the means includes a float body device carried by the water column and a linear generator having a stator and an actuator, wherein the float body device is mechanically operatively connected to the actuator of the linear generator and the actuator for generating electrical energy is reciprocatingly movable by the movement of the float body device relative to the stator of the linear generator. | 12-23-2010 |
20100173785 | Wet-Chemical Method for Producing High-Temperature Superconductor - The invention relates to a method for the wet chemical production of an HTSL on a carrier, wherein an HTSL precursor solution comprising no trifluoroacetate may be utilized if the same is heated to a temperature T | 07-08-2010 |
20100147834 | Method for Induction Heating of a Metallic Workpiece - A method for induction heating of a metallic workpiece to a desired temperature by rotating the workpiece relative to a direct-current magnetic field permeating the workpiece is provided. The workpiece is clamped between two clamping jaws adapted to be rotated about a common axis. At least one of the clamping jaws is driven to rotate, and at least one of the clamping jaws is adapted to be actively displaced along or parallel to the rotation axis. The contact force of at least one of the clamping jaws is regulated; moreover, at least one mechanical parameter representative of the workpiece temperature is measured as an actual value and is compared with a desired value of this mechanical parameter as being representative of the desired temperature. | 06-17-2010 |
20100147833 | Method and Apparatus for Induction Heating of a Metallic Workpiece - An apparatus and related method for inductively heating a workpiece is disclosed. A first magnetic unit is rotated about a metallic workpiece utilizing a super-conducting spool, while a second magnetic unit can be utilized to generate an exterior magnetic field operable to drive the first magnetic unit. | 06-17-2010 |
20100059145 | METAL FOIL - The invention relates to a metal foil having (in weight %) Ni 74-90%, W 10-26%, and Al and/or Mg and/or B contents of Al >0-max. 0.02%, Mg >0-max. 0.025%, B>0-max. 0.005%. | 03-11-2010 |
20100029392 | TORQUE TRANSMISSION MEANS FOR THE ROTATIONALLY FIXED CONNECTION OF A SHAFT AND A ROTOR - A torque transmission device for connecting, in a rotationally fixed manner, a shaft and a rotor of a rotating machine which has superconducting turns and which is coolable in order to create the superconducting state of these turns, having a torque-loadable hollow body which has a rotation axis and ends in a shaft connection at the shaft end and in a rotor connection at the rotor end, wherein, between the shaft connection and the rotor connection, the hollow body has a compensation area, which can expand in the axial direction, between the shaft connection and the rotor connection, in order to compensate for axial length changes resulting from temperature differences. | 02-04-2010 |
20090298698 | HIGH-TEMPERATURE SUPERCONDUCTOR LAYER ARRANGEMENT - A high-temperature superconductor layer arrangement includes at least one substrate and a textured buffer layer made of oxidic material that permits textured growth of a high-temperature superconductor. Surprisingly, a layer of the buffer material made of a rare-earth element cerium oxide containing lanthanum as the rare-earth element may be used to produce a homogeneous buffer layer in just one coating operation, where appropriate. The buffer layer material may be a rare-earth oxide of the general formula: Ln′ | 12-03-2009 |
20090272734 | Induction Heater - An induction heater for heating metallic billets with a yoke of E-shaped cross-section, on the middle limb of which a superconducting coil is seated, has a well located between the middle limb and each one of the respective two outer limbs. A billet can be heated by being rotated in each one of the two wells. | 11-05-2009 |
20090255923 | Induction Heating Method - During induction heating of a billet of an electrically conducting material by rotating the billet relative to a magnetic field that is generated by means of at least one direct-current-carrying superconducting winding on an iron core, the reverse-induction voltage can be reduced when a direct current is generated and maintained in the winding at a value that generates in the iron core at least in the region of the winding a magnetic flux density at which the relative permeability of the material of the iron core is less than in a zero-current state of the winding. | 10-15-2009 |
20090088326 | Process of Forming a High-Temperature Superconductor - A method of producing a thin layer, high-temperature superconductor strip is disclosed. In the method, a metal salt solution is formed and coated onto a substrate including a high-temperature superconductor layer. Heat is then applied directly or indirectly to the solution. The metal salt solution may contain a metal-organic salt solution or a metal inorganic metal salt solution. When an inorganic metal salt solution is utilized, a reducing solution may also be applied to the HTSC layer prior to heating. In addition, nano-sized metal particles may be added to the metal salt solution and/or the reducing solution. | 04-02-2009 |
20090051241 | WINDING FORMER FOR A SADDLE COIL WINDING - A winding former with a winding support between a first plate and a second plate for a saddle coil winding made up from a thin layer HTSC, which is destined for a cylindrical armature of an electrical machine, and which has two longitudinal legs parallel to the armature axis between two winding ends, wherein the winding support for each winding end has a bearing surface, which enables the thin layer HTSC to be wound to form a saddle coil without damaging the HTSC thin layer. | 02-26-2009 |
20080293576 | Substrate for a Superconducting Thin-Film Strip Conductor - A high-temperature superconducting thin-film strip conductor (HTSL-CC) includes a metal substrate, a buffer layer chemically generated thereon and grown crystallographically unrotated in relation to the metal substrate, and a chemically generated superconducting coating thereon. The HTSL-CC possesses high texturing of the buffer layer since the metal substrate has a surface roughness RMS <50 nm, and since and the buffer layer is grown directly onto its surface, without an intermediate layer, crystallographically unrotated in relation to the crystalline structure of the metal substrate. | 11-27-2008 |
20080290740 | Primary Part of a Linear Motor and Linear Motor Therewith - The invention relates to a linear motor and in particular a primary part of the linear motor for the movement of a secondary part, with a plurality of coils for inducing a magnetic field transmitting force along an axis between the primary part and the secondary part and with teeth, which are made from a magnetizable material, are arranged between adjacent coils and have a base section remote from the axis and an end section facing the axis, the teeth on the end section being wider than on the base section. In order to provide a primary part or a linear motor which also allow for high force densities given a compact design, the coils also extend in the interspace between the end sections of adjacent teeth so as to increase the magnetic flux density. | 11-27-2008 |