Abstract: The permanently excited synchronous machine (1) includes a rotor (3) and a stand (2) which contains a three-branched winding system (8) which comprises tooth coils. The stand (2) has a total of three or six grooves (5) and a tooth (6, 7) is formed there between. A total of three tooth coils (9) are arranged in the grooves (5) and each coil is associated with one of the three winding phases. The number of user pole pairs (pN) is four or five. The rotor (3) has twice as many user pole pairs (pN) of permanent magnets (18) which are evenly distributed on the periphery.

Abstract: The invention relates to a combination drive with a short axial length and a high magnetic capacity. According to the invention, an electric motor comprises a rotational drive device with an outer rotor (AR), and a linear drive device with an outer rotor (AT) or an inner rotor with bearings in the active part. The outer rotor (AR,AT) can be mounted by means of hydrostatic bearings (L1,L2), indirectly by means of a shaft (W), on the stators (SR,ST) of the two drives. Said bearings (L1,L2) are axially arranged inside the outer rotors (AR, AT), presenting a short structural form of the combination drive. Furthermore, the bearings are not located in the magnetic action interstice of the drives, so that they do not influence the capacity of the machine.

Abstract: The electrical machine (1) has a stator (2), which has slots (6) distributed about the periphery, between which a tooth (7, 8) is placed, and in which a winding system (9) with at least one winding phase is placed. Each winding phase contains at least one coil group. Each coil group contains a first single coil (10) and at least one additional coil (11). All single coils (10, 11) of each coil group are electrically connected in series. Each of the additional single coils (11) is arranged in an offset manner with an offset angle (?mk,i) in relation to the first single coil (10). The respective offset angle (?mk,i) is calculated according to: formula (I) in which k ? {1,2, . . . (n-I, i ? {0,1, . . . (6-pN-1)}, n being a group coil number of all single coils (10, 11) of the respective coil group, k being a coil index of the additional single coils (11), i being a position index, and pN being an effective pole number.

Abstract: The aim of the invention is to create a combined linear-rotary drive that has a compact, simple, and inexpensive design. Said aim is achieved by a combined drive comprising a linear driving device (3) and a rotary driving device (11), at least one of the two driving devices being provided with a hybrid reluctance motor. It is particularly advantageous to embody both driving devices as hybrid reluctance motors such that the rotor (4) can be produced at a low cost without permanent magnets in addition to ensuring that the drive has a very compact design.

Abstract: The invention relates to a ring coil motor (1, 20) with a primary part (3, 21) and a secondary part (2, 22), wherein the primary part (3, 21) has a ring coil (6, 25) and permanent magnets (9, 27).

Abstract: The invention relates to a permanently excited synchronous machine (1) comprising a stator (2) provided with slots (5) and a rotor (3) provided with permanent magnets (9) which form a magnetic pole (10). The machine also comprises first suppression means in the form of a pole covering (x) which is smaller than one in relation to a pole distribution (tp) of the permanent magnets (9), second suppression means in the form of a first staggering of the permanent magnets of a pole or a first inclination of the permanent magnets or a first inclination (?Schi) of the slots (5), and third suppression means in the form of a second staggering (?st2) of the permanent magnets (9) of a pole (10) or a second inclination (?Sch2) of the permanent magnets (9) or a second inclination of the slots.

Abstract: The aim of the invention is to achieve a high torque yield in synchronous machines excited by permanent magnets. Said aim is achieved by using subharmonic air gap fields. The rotor comprises an induction cage as well as permanent magnets. The number of winding holes of the stator is greater than q=0.5. The number of poles of the rotor is greater than the base number of poles of the air gap field produced by the windings.

Abstract: The aim of the invention is to provide a linear rotation drive wherein the oscillating torques are reduced to a minimum and whose rotation drive is devoid of axial forces. For this purpose, a magnet of the linear rotation drive is provided with sloped sections or a plurality of magnet sections is configured to give at least two sloped magnet arrangements which are symmetric to a line extending in the circumferential direction of the linear rotation drive. Oscillating torques can also be avoided by distributing the magnets across the circumference of the rotor or stator in an uneven manner. Favorable results can be obtained when the least common multiple of the number of grooves and the number of poles is as high as possible.

Abstract: A dynamo-electrical machine includes a stator with teeth which are aligned with respect to a rotor, wherein at least a predeterminable number of teeth are surrounded by a winding system which is arranged in slots. The slots which are formed by the teeth and designed to be open, are each closed by a slot sealing element which has an electrically non-conductive and magnetically non-permeable material in which a tooth head widening element is provided in the area of those tooth sections of the tooth heads which face the air gap.

Abstract: A secondary part of a linear drive, in particular of a cylindrical or planar linear drive, has permanent magnets arranged on a soft-magnetic mount in perpendicular relationship to the movement direction of the linear drive. The permanent magnets are curved at least on the surface facing the primary part. The permanent magnets cover each only a predeterminable part of a magnetic pole and have a radial magnetization direction in relation to their outer surface.

Abstract: The invention relates to an electrical machine (1, 110), which is in particular a synchronous machine, which has a primary part (3, 130) and a secondary part (5, 120), wherein the primary part (3, 130) has a) a first means (9) for producing a first magnetic field and b) a further means (17, 27, 29) for producing a further magnetic field, which in particular is an exciter field, and wherein the first means (9) has at least one winding, and the further means (17, 27, 29) is arranged in the region of an active air gap (21) of the electrical machine between the primary part and the secondary part and has magnetic poles, each having at least one permanent magnet (17).

Abstract: The aim of the invention is to provide a linear/rotation drive with an improved transmitter device for detecting the linear and rotational movements. For this purpose, the transmitter device (12, 14, 16, 17) for detecting the linear movement and/or rotational movement of the secondary part (4) of the linear drive (2) configured as an external rotor is at least partially arranged inside the primary part (6) of the linear drive (2). In this manner, the transmitter device (12, 14, 16, 17) is located in a magnetically shielded area. In order to avoid eccentricities in the transmitted device (12, 14, 16, 17), a journal (10) of the secondary part (4) is mounted on a bearing (11) in the primary part (6).

Abstract: The invention relates to a permanently excited synchronous machine and a method for the suppression of harmonics. The permanently excited synchronous machine (51) comprises a stator (53) and a rotor (55). Preferably, the stator (53) comprises a three-phase winding and the rotor (55) comprises permanent magnets (57). The stator (53) has thirty-nine slots (1-39) and the rotor (55) has eight magnetic poles (79). The slots of the stator (53) are wound in such a way that a first harmonic can be suppressed by means of a winding scheme and a second harmonic can be suppressed by means of magnet geometry.

Abstract: The invention relates to a synchronous machine provided with a stator and rotor, wherein the stator comprises stator teeth (1) provided with respective tooth tips in the bore hole thereof and tooth coils guided around the stator teeth (1), the rotor core discs (2) and a shaft are arranged and permanent magnet poles are formed on the external side of the rotor by means of permanent magnets (4), a pole gap (3) is provided in the rotation direction of the rotor between two magnetic poles, respectively, and is filled with a magnetically conductive material, the stator teeth (1) angle is equal to or less than 85% of a pole pitch angle or the stator teeth (1) angle is equal to or greater than 115% of the pole pitch angle.

Abstract: The invention relates to a permanently excited synchronous machine (51) comprising a stator (53) and a rotor (55). Preferably, the stator (53) comprises a three-phase current winding and the rotor (55) comprises permanent magnets. The stator (53) comprises 42 slots (27) and 42 teeth (29). Each second tooth (29) is wound with a coil (39). The rotor (55) comprises 26 magnetic poles. The permanently excited synchronous machine can be configured in such a way that the useful pole pair is a prime number.

Abstract: The invention relates to a linear/rotary drive assembly (1) comprising means for performing a rotary movement, a linear movement and ensuring a magnetic bearing of a common drive train (2) when the linear/rotary drive assembly (1) is operated.

Abstract: The electrical machine has a stator, which comprises thirty-six slots and thirty-six teeth with an alternating sequence and a winding system (10) which is arranged at least partially in the slots and has three winding phases (34, 35, 36). The winding system (10) contains in total eighteen coil elements (11-28), which are laid in in each case two slots, with the result that a slot associated with another of the coil elements (11, 12, 16, 17, 18, 22, 23, 24, 28) is located between the two slots associated with one of the coil elements (13, 14, 15, 19, 20, 21, 25, 26, 27). In each case two of the coil elements (11-28) form one of nine interwound groups of coil elements (29), wherein, of the four adjacent slots belonging to a group of coil elements (29), the first and the third slot are associated with one coil element (13, 14, 15, 19, 20, 21, 25, 26, 27), and the second and the fourth slot are associated with the other coil element (11, 12, 16, 17, 18, 22, 23, 24, 28) in this group of coil elements (29).

Abstract: Disclosed is an electric machine (1) comprising a stator (2) that encompasses a winding system (10) with three winding branches, and a certain number of effective pole pairs. Each winding branch is provided with at least one coil group, each of which contains an even number of serially connected individual coils (11) that generate an individual magnetic field, respectively. Two respective individual coils (11) of a coil group are offset relative to each other in a circumferential direction of the stator (2) in such a way that the associated individual magnetic fields are provided with an offset electrical angle relative to one another at the sixth harmonic of the number of effective pole pairs, said offset electrical angle being equal to an odd multiple of 180°.

Abstract: The invention relates to an electrical asynchronous machine comprising a stator and a rotor. The stator has a stator winding system comprising a plurality of toothed coils which are partially arranged in stator grooves. The rotor has a rotor winding system consisting of a plurality of short-circuited electrical lines arranged in the rotor grooves (7). The rotor comprises eleven, thirteen, seventeen or twenty-seven rotor grooves (7). In this way, losses caused by harmonic waves and torque ripple are reduced.

Abstract: A reluctance motor comprises a stator (2) and a rotor (4). The stator (4) consists of a ferromagnetic but not permanent-magnetic material and has stator teeth (6) that are radially directed towards the rotor (4). Two tangentially adjacent stator teeth (6) each define between them one respective stator slot (7) in which a part of a stator winding (8) is arranged. Permanent magnets (10) are arranged on the stator (2) and emit permanent magnetic fields. The permanent magnets (10) are arranged tangentially in the area of the stator slots (7) and their magnetic fields are radially oriented in the same direction. The permanent magnets are associated with flux guiding elements (12) which deflect the permanent magnetic fields emitted by the permanent magnets (10) in such a manner to the stator teeth (6) that the permanent magnetic fields, based on the tangential position, are oriented in the opposite direction relative to each other in the area of the stator teeth (6) and in the area of the stator slots (7).