Feaam Gmbh

Neubiberg, Germany

Feaam Gmbh

Neubiberg, Germany
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Patent
Feaam Gmbh | Date: 2017-03-29

The invention relates to an electric machine comprising a stator (1) and a rotor (2) which can be moved relative thereto. Said stator comprises two multi-stranded, concentrated windings (A1, B1, C1; A2, B2, C2) which are introduced into respective grooves of the stator (1). The first winding (A1, B1, C1) comprises six coils, the second winding (A2, B2, C2) has twelve coils. The number of windings (Nw1) of the coils of the first winding is different from the number of windings (Nw2) of the coils of the second winding.


Patent
Feaam Gmbh | Date: 2015-04-21

The present invention provides an electric machine with a stator (1) and a rotor (21) mounted movable relative to the stator, wherein the stator comprises a plurality of slots (2) for receiving a stator winding. Exactly one conductor portion (3) of the stator winding is inserted into each slot. The conductor portions (3) are short-circuited with one another in a short-circuiting element on a first side (5) of the stator and are integrally formed with said short-circuiting element. On a second side (6) of the stator, the conductor portions (3) are connected to in each case one terminal of a power supply unit (8) which supplies adequate phase currents.


Patent
Feaam Gmbh | Date: 2015-03-17

The invention relates to an electric machine comprising a stator (1) and a rotor (2) movable relative to said stator. Said stator comprises two multi-stranded, concentrated windings (A1, B1, C1, A2, B2, C2) which are placed in respective slots of the stator (1). While the first winding (A1, B1, C1) comprises six coils, the second winding (A2, B2, C2) is designed to have twelve coils. The number of turns (Nw1) of the coils of the first winding is different from the number of turns (Nw2) of the coils of the second winding.


Patent
Feaam Gmbh | Date: 2014-03-20

A synchronous machine with a stator (1) and a rotor (2), which is situated so it can move relative to the stator, is indicated. The stator (1) comprises at least one concentrated winding (A, B, C), which is located in slots of the stator (1). The rotor (2) has a first winding system, which is set up as the excitation winding (6), and at least one second winding system, which is set up as the field winding (3), and a rectifier (4), which is connected between these two concentrated winding systems. The first and second winding systems comprise a concentrated winding.


Patent
Feaam Gmbh | Date: 2015-10-08

A winding system for a stator and/or a rotor of an electric machine is disclosed. The winding system comprises several conductor sections, two annular conductors (+, ) on a first side of the winding system, to which the conductor sections are coupled by means of half bridges, and at least one half bridge on an opposite side of the winding system, to which at least one conductor section is connected.


Patent
Feaam Gmbh | Date: 2014-04-07

The invention relates to an electric machine, which comprises a stator (1) and a rotor (2) that can be moved in relation to the stator. The stator (1) has a first multi-strand winding (I) and at least a second multi-strand winding (II), which each comprise two sub-windings (A1, A2) mechanically shifted in relation to each other. In a slot (3) of the stator, a number of windings (Nw1) of the first sub-winding (A1) of a multi-strand winding is different from a number (Nw2) of windings of the second sub-winding (A2) of said multi-strand winding. The stator (1) has a number of slots (3) that is twice the number of slots minimally required for a given pole pair number p of the rotor (2) for one of the multi-strand windings.


Patent
Feaam Gmbh | Date: 2016-07-13

A rotor for an electrical machine is provided, comprising a main rotor (2), which can be rotated about a longitudinal axis (3) and which is free of permanent magnets, and having an auxiliary rotor (5), which comprises at least one axial flux rotor (6), which can also be rotated about the longitudinal axis (3) and is arranged in axial direction adjacent to the main rotor (2), in which the axial flux rotor (6) comprises permanent magnets (8). Furthermore, an electrical machine with the rotor (2, 5) and a stator (1) is provided.


Patent
Feaam Gmbh and University of Federal Defense Munich | Date: 2015-09-18

The present invention relates to an electrical machine having a stator. The stator comprises a plurality of slots for receiving a stator winding. One respective conductor section of the stator winding is inserted into each slot. The conductor sections of at least one pair of poles are short-circuited to one another on a first side of the stator. The conductor sections on a second side of the stator, opposite from the first side, are each connected to a terminal of a power supply unit. The power supply unit consists of two annular electrical conductors, between which at least one power-electronics component is arranged.


Patent
University of Federal Defense Munich and Feaam Gmbh | Date: 2015-12-10

The invention relates to a power supply unit for supplying multiple conductor portions (3) of a stator winding of an electric machine which are inserted in respective slots (2), wherein the power supply unit is configured to supply a first conductor portion and a second conductor portion with at least one different operating parameter of a respective current function and/or the power supply unit is configured to supply a conductor portion with at least two superimposed current functions, which in each case have at least one different operating parameter. Furthermore, the invention relates to an electric machine having such a power supply unit.


Patent
Feaam Gmbh | Date: 2015-07-21

The invention proposes an electric machine with a stator and a rotor that is movably supported relative thereto. The stator features a plurality of slots for accommodating a stator winding. The stator winding comprises several conductor sections that are respectively placed into each slot of the stator. On one side of the stator, the conductor sections are electrically short-circuited with one another in a short-circuit means. The short-circuit means comprises a cooling device.

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