Abstract

c) produce a stationary simulated magnetic field in all three dimensions.

IPC Classes  ?

• G01R 33/12 - Measuring magnetic properties of articles or specimens of solids or fluids
• B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
• B63G 9/06 - Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines for degaussing vessels
• H01F 13/00 - Apparatus or processes for magnetising or demagnetising

Abstract

A coil system (30, 40, 50) for generating a homogeneous magnetic field, includes a coil assembly (2), each assembly having at least two coils (S1, S2, S3), the respective windings (W1, W-2, W3) 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 (4), wherein a current can flow in the opposite direction through at least one of the coils (S1, S2, S3), and having at least two coil assemblies (2), wherein the coils (S1, S2, S3) of each coil assembly (2) 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.

IPC Classes  ?

• H01F 27/28 - CoilsWindingsConductive connections
• G01R 33/00 - Arrangements or instruments for measuring magnetic variables

Abstract

The invention relates to an apparatus (2) for the demagnetization and magnetic signature measurement of a stationary hull (4) and for the simulation of a magnetic field, having a demagnetization coil arrangement (8), a magnetic field sensor arrangement (10) and a simulation coil arrangement (12a, 12b, 12c) which can be positioned horizontally on one side beside the hull (4), and wherein the cross-sectional areas of the demagnetization coils (8) and of the simulation coils (12a, 12b, 12c) are arranged with horizontally oriented surface normals in the longitudinal direction of the hull (4). The demagnetization coils (8) generate an alternating magnetic field, and the simulation coils (12a, 12b, 12c) generate a stationary simulation magnetic field in all three spatial directions.

IPC Classes  ?

• B63G 9/06 - Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines for degaussing vessels
• H01F 13/00 - Apparatus or processes for magnetising or demagnetising

Abstract

The invention relates to an apparatus (2) for the demagnetization and magnetic signature measurement of a stationary hull (4) and for the simulation of a magnetic field, having a demagnetization coil arrangement (8), a magnetic field sensor arrangement (10) and a simulation coil arrangement (12a, 12b, 12c) which can be positioned horizontally on one side beside the hull (4), and wherein the cross-sectional areas of the demagnetization coils (8) and of the simulation coils (12a, 12b, 12c) are arranged with horizontally oriented surface normals in the longitudinal direction of the hull (4). The demagnetization coils (8) generate an alternating magnetic field, and the simulation coils (12a, 12b, 12c) generate a stationary simulation magnetic field in all three spatial directions.

IPC Classes  ?

• B63G 9/06 - Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines for degaussing vessels
• H01F 13/00 - Apparatus or processes for magnetising or demagnetising

Abstract

The invention relates to a coil system (30, 40, 50) for generating a homogeneous magnetic field, comprising a coil assembly (2), each assembly consisting of at least two coils (S1, S2, S3), the respective windings (W1, W-2, W3) 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 (4), wherein a current can flow in the opposite direction through at least one of the coils (S1, S2, S3), characterized by at least two coil assemblies (2), wherein the coils (S1, S2, S3) of each coil assembly (2) 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.

IPC Classes  ?

• H01F 7/20 - ElectromagnetsActuators including electromagnets without armatures