Motor with a defined detent torque
AssigneeDr. Fritz Faulhaber GmbH & Co. KG
InventorsBastian Erfinder MUND, Ingmar BARTHOLD, Sebastian KOHSE
Life of this patent
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Abstract
The present invention relates to a brushless motor (1), comprising at least one stator (2), at least one rotor (3), at least one shaft (4) and at least one winding (8), wherein the rotor (3) is attached to the shaft (4), wherein the rotor (3) has at least one permanent magnet (5) with a plurality of magnetic rotor poles (5a), wherein the stator (2) has a plurality of stator teeth (6), wherein each stator tooth (6) is at least partially wound by at least one stator coil (7), and wherein the stator coils (6) form the winding (8) with at least three phases (P1, P2, P3).
Claims20
Motor comprising at least one stator, at least one rotor, at least one shaft and at least one winding, wherein the rotor is attached to the shaft, wherein the rotor has at least one permanent magnet with a plurality of magnetic rotor poles, wherein the stator has a plurality of stator teeth, wherein each stator tooth is at least partially wound by at least one stator coil , and wherein the stator coils form the winding with at least three phases,
- wherein
- at least one stator tooth of at least a first phase of the winding is designed as an extended stator tooth and that the extended stator tooth has a longitudinal extension in the radial direction which is greater than a longitudinal extension of at least one stator tooth of remaining stator teeth of the first phase and/or which is greater than a longitudinal extension of at least one stator tooth of at least one of the remaining phases.
Dependencies are inferred from the claim text.