Abstract:
The invention relates to a permanently excited electric machine which has at least one magnet, which sits in a magnet retainer, wherein a fixing element made of plastic is arranged on the component having the magnet retainer in order to secure the magnet. The fixing element has a fixing arm, which protrudes beyond the contact face between the magnet and the fixing element in the radial direction.
Abstract:
The present invention relates to a rotor for an electric machine, comprising a rotor shaft which extends in an axial direction, and a basic body, which is arranged concentrically around the rotor shaft and is fastened on said rotor shaft for rotation therewith, wherein permanent magnets are embedded in the basic body, and wherein the basic body has collecting webs, which adjoin the permanent magnets, wherein the permanent magnets protrude beyond the collecting webs on that side of said permanent magnets which faces the rotor shaft. The present invention also relates to a rotor, in particular according to the invention, for an electric machine with a rotor shaft, which extends in an axial direction, and a basic body, which is arranged concentrically around the rotor shaft and is fastened on said rotor shaft for rotation therewith, wherein the basic body has sectors, which are spaced apart from the rotor shaft and between which in each case one permanent magnet is arranged in spider form, wherein the distance between the sectors and the rotor shaft is greater than the distance between the permanent magnets and the rotor shaft. The present invention also relates to an electric machine having the rotor according to the invention and a steering drive having the electric machine.
Abstract:
A toothed segment/coil combination for an electric machine has toothed segments with a carrier yoke and a carrier tooth, around which the coil wire. Said wire has a rectangular cross-section in the winding region of the carrier tooth and a rounded cross-section in the connection section at the end thereof.
Abstract:
The invention relates to a stator in an electric motor comprising a plurality of teeth segments forming a stator ring, said teeth segments comprising outer yoke segments and radial support teeth. Connection elements are arranged on the peripheral front sides of the yoke segment and are offset in the direction of the radial outer side.
Abstract:
The invention relates to a molded part for a rotor or stator of an electric machine, which molded part extends concentrically about an axis and has a face plate and at least one retaining strand, which is arranged on the face plate, wherein the retaining strand has a contact surface at the end of the retaining strand facing the face plate. The invention further relates to a rotor or stator for an electric machine having the molded part. The invention further relates to a rotor or stator for an electric machine, comprising a main body, which extends concentrically about an axis, and which comprises a permanent magnet, which is arranged in a cavity of the main body, wherein a retaining means is arranged on the permanent magnet, which retaining means has a retaining strand and a face plate, on which the retaining strand is arranged and which extends perpendicularly to the axial direction, wherein the retaining means is at least partially made from a curable medium. The invention further relates to methods for fastening a permanent magnet in such a rotor or stator.
Abstract:
The invention relates to a winding carrier (1) for the defined application of a coil winding, comprising: a winding section (2) for placing onto a cylindrical tooth component; a groove structure (3), which is arranged in at least one region of the winding section and extends transversely to the winding axis in order to receive a winding wire; wherein the groove structure (3) has a cross section having two mutually opposite, preferably flat side faces (7), which taper in the direction of a bottom face (6) of the groove structure (3).
Abstract:
The invention relates to a method for winding an excitation coil (32) for an electric machine (6), comprising the following steps: applying a thermo-conductive medium (30) to a winding support (28), and winding a coil (32) on the winding support (28) provided with the thermo-conductive medium (30).
Abstract:
The invention relates to a method for producing a machine component (10) for an electric machine, in particular a stator, comprising the following steps: winding several individual tooth segments (12) with respective individual coils, wherein several of the individual coils in a coil group are formed by means of a continuous winding wire, wherein a section of the winding wire extends between the individual coils as a connecting wire (16, 18); arranging an insulating element (22) on the connecting wire (16, 18); and assembling the individual wound tooth segments (12) of the coil group and one or more additional wound tooth segments (12) in order to form the machine component (10), wherein the assembly is performed in such a way that the insulating element (22) is arranged between the connecting wire (16, 18) and coil sides of the additional tooth segments (12).
Abstract:
In the case of an electric motor having a rotor and a stator, which has at least one first and one second stator segment (210, 220) which are each provided at least in places with a plastic sheath (410, 520), the plastic sheaths (410, 520) of the first and second stator segments (210, 220) are connected to one another via at least one plastic connecting element (422, 424), which is welded at least to the plastic sheath (520) of the second stator segment (220).