H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 1/06 (2006.01) F03D 9/00 (2006.01) H01F 7/02 (2006.01)
Patent
CA 2736990
The invention relates to an electrical machine, which contains permanent magnets and to the permanent magnets being used. The invention especially relates to a synchronous machine. According to the invention the electrical machine contains a permanent magnet and a coil. The coil is arranged in a way that it interacts with the permanent magnet via an air gap, which is located between the permanent magnet and the coil. The permanent magnet and the coil are arranged in a way that electrical power is generated in the coil when the permanent magnet or the coil is moved in their relative position to each other. The permanent magnet contains a surface, which is aligned to the coil and to the air gap in a way, that magnetic forces of the permanent magnet interact via the surface and the air gap with the coil by a magnetic flux density distribution. The permanent magnet contains a surface, a base plane and a transition area. A first side of the surface is connected with the adjacent base plane via the transition area. The cross-section of the transition between the surface and the adjacent base plane is determined by a Bezier function, which is assigned to and defined by three points. A first point is assigned to the surface, while a second point is assigned to the base plane and while a third point is assigned to the transition area, which is between the surface and the base plane.
Aktiengesellschaft Siemens
Smart & Biggar
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