Bombardier Primove Gmbh

Stl Systems Ag

Stl Systemtechnik Ludwig Gmbh

Christoph Ludwig

Wolfgang Ludwig

Adrianus Johannes Steinfort

Marnix Lannoije

Stefan Ludwig

Sezgin Kama

A coil system () for generating a homogeneous magnetic field, includes a coil assembly (), each assembly having at least two coils (S, S, S), the respective windings (W, W, W) of which span rotationally symmetrical faces lying plane-parallel to one another having different sizes and a common axis of rotation running perpendicularly to the faces, forming a coil axis (), wherein a current can flow in the opposite direction through at least one of the coils (S, S, S), and having at least two coil assemblies (), wherein the coils (S, S, S) of each coil assembly () are located within and oriented plane-parallel to the base of a generating pyramid, the tip of which coincides with the centre of a regular convex polyhedron and the base surface of which is identical to one such face of the convex polyhedron, on which the projection of the pyramid tip onto the pyramid base surface coincides with the centre of the pyramid base surface.

Polyhedral coil systems having a large homogeneity volume and large access zone

A device () for demagnetizing and for measuring the magnetic signature of a stationary hull () and for simulating a magnetic field, including a demagnetization coil assembly (), a magnetic field sensor assembly () and a simulation coil assembly (), which can be positioned next to the hull () in a horizontal manner on one side and the cross-sectional areas of the demagnetization coils () and of the simulation coils () being disposed in the longitudinal direction of the hull () with horizontally oriented surface normals. The demagnetization coils () produce an alternating magnetic field; the simulation coils () produce a stationary simulated magnetic field in all three dimensions.

Demagnetization and signature measurement system

A secondary unit arrangement of an inductive power transfer system includes a secondary unit having a secondary winding structure for receiving a magnetic or electromagnetic field generated by a primary unit, a detector device including plurality of detection elements for detecting an arrangement comprising the primary unit, a determination unit for determining at least one electrical property of the detector device with respect to different regions of an arrangement, thereby generating determination results consisting of a determination result for different regions of the arrangement, a comparison unit for comparing the determination results with existing information about the arrangement to be detected, wherein the existing information includes information about expected values for the different regions of the arrangement, thereby generating a comparison result, and a decision unit for deciding from the comparison result whether the determination results indicates that the detector device has detected the arrangement as expected.

Detecting an arrangement based on predefined signatures in an inductive power transfer system

The invention relates to method of detecting an arrangement having a primary unit of an inductive power transfer system and/or a secondary unit of the inductive power transfer system. The method including: using a detector device to detect the arrangement, the detector device having at least one electrical conductor, determining at least one electrical property of the detector device and generating determination results consisting of a determination result for each of different regions of the arrangement, and comparing the determination results with existing information about the arrangement to be detected. The existing information includes information about expected values for the different regions of the arrangement, thereby generating a comparison result, and deciding from the comparison result whether the determination results indicate that the detector device has detected the arrangement as expected.

Operation of an inductive power transfer system based on detecting an arrangement

The invention relates to a method and an apparatus for detecting at least one interfering body in a system for inductive energy transmission, wherein the system includes at least one primary coil unit, wherein the apparatus includes at least one interfering body detector means, wherein the at least one interfering body detector means includes at least one field coil means and at least one detector coil means which is assigned to the at least one field coil means, wherein the apparatus includes at least one evaluation means, wherein the interfering body is detectable depending on the state of coupling and/or the change in the state of coupling, wherein the apparatus includes at least one compensation means.

Device and method for the detection of an interfering body in a system for the inductive transfer of energy and a system for the inductive transfer of energy

The invention relates to a device for setting an operating point of a magnetic field sensor having a periodic characteristic, in particular for a device for detecting a magnetic field and/or flux, having a SQUID as magnetic field sensor and a control unit which is connected downstream of the SQUID, has a control time constant (t) and has a feedback loop which acts on the SQUID and is designed such that it is active about a number of operating points of the SQUID, where flux quantum pump means are provided which are assigned to the SQUID, have a signal generation unit for generating a control and/or regulation signal for the SQUID and are designed such that, in order to pump at least one flux quantum into and out of the SQUID, a signal form of the control and/or regulation signal, generated by the signal generation unit, is different and, referred to a rising and a falling edge of a signal form, is unsymmetrical, where in each case only one of the edges of a signal form is short referred to the control time constant.

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Constance, Germany

Christoph Ludwig