Abstract: The invention is related to an integrated drive system including an electric motor having a stator and a rotor, an inverter configured to control the electric motor, a gearbox configured to transmit a torque provided by the electric motor, and a coolant system, wherein the coolant system includes a cooling fluid, configured to follow one cooling path for cooling the inverter, the rotor, the stator and the gearbox.

Abstract: A stator core for receiving a stator winding and slot linings. A respective slot lining has a first end extending along an axial direction, a second end situated opposite the first end and extending along the axial direction, a first end section extending from the first end toward the second end, and a second end section extending from the second end toward the first end and is overlapped by the first end section on an outer side of the respective slot lining. A multiplicity of slots are arranged in the circumferential direction is formed in the stator core, a respective slot having a first slot wall which delimits the slot in the circumferential direction, a second slot wall which is situated opposite the first slot wall and delimits the slot in the circumferential direction, and a slot base which delimits the slot in the radial direction.

Abstract: A method for producing a skewed stator having a stator winding composed of shaped conductors includes providing a stator core including a plurality of slots extending from a first end-face to an opposing second end-face and have a skew in the circumferential direction. An arrangement is provided having at least one shaped conductor having two straight leg portions oriented parallel to one another and connected by a connecting portion. Also included is inserting the arrangement into the stator core with the skewed slots at the first end-face by relative movement in the axial direction between the stator core and the arrangement, so that the leg portions of the at least one shaped conductor are bent as a result of the relative movement in such a way that the shape of the leg portions inserted into the stator core acquires a skew which corresponds to the skew of the slots.

Abstract: A stator for an electric machine includes a plurality of pins arranged on concentric circles at different distances to a stator center in slots in the stator, and each concentric circle forms a layer. In each case, six pins in different layers are serially connected to one another and form a winding. A first pin of the winding is located in a first slot in the 6n-1 layer, wherein n is an integer. A second pin of the winding is located in a second slot in the 6n layer. A third pin of the winding is located in the first slot in the 6n-2 layer. A fourth pin of the winding is located in the second slot in the 6n-3 layer. A fifth pin is located in the first slot in the 6n-5 layer. A sixth pin of the winding is located in the second slot in the 6n-4 layer.

Abstract: A method for producing a skewed stator having a stator winding made from segmented conductors includes providing a stator core having a large number of axially layered stator core elements which form a plurality of slots extending from one end-face of the stator core to an opposite end-face, and which extend parallel in an axial direction. A large number of segmented conductors are provided which each have two leg portions extending parallel to each other and a connection portion electrically connecting the leg portions. The leg portions are introduced into the slots, and the stator core elements are rotated in a circumferential direction so they are displaced relative to each other in a circumferential direction and the slots form an inclination in a circumferential direction. The leg portions are bent by the rotation have an inclination corresponding to the slots. The stator core elements are fixed relative to each other.

Abstract: Terminal device for a stator of an electric machine includes a central opening, and an insulation body surrounding the central opening about a longitudinal axis extending through the central opening. The insulation body includes a base and a plurality of concentrically arranged ribs protruding from the base into an axial direction and extending along a circumferential direction. A plurality of accommodation spaces are each formed between a respective pair of radially adjacent ribs and having the shape of a sector of an annulus.

Abstract: A rotor including a rotor shaft, a rotor body formed of a stack of laminations, a field coil wound around the rotor body, and at least one slip ring mounted on the rotor shaft and configured to exchange electric power with an external power supply. Each of the at least one slip ring is configured to be electrically connected to an end of the field coil through an electrical connector. The electrical connector is pre-bended such that to comprise an axial portion and a radial portion respectively located on both sides of a bend, the axial portion being configured to pass through an axial bore of the rotor shaft, the radial portion being configured to pass through a through bore of the rotor shaft.

Abstract: A rotor for a rotary electric machine, capable of rotating around an axis of rotation, the rotor has first and second axial ends and includes a rotor body having a plurality of teeth circumferentially distributed around the axis and projecting radially, each tooth being in contact with two end plates. Also included is a rotor winding having a plurality of coils, each coil being wound on one of said teeth of the rotor body, each coil having two coil ends, two covers, a first cover located on the first axial end of the rotor and a second cover located on the second axial end of the rotor. The rotor has at least one non-conductive radial barrier that maintains a predetermined distance between the first coil end and the first cover on the one hand and between the second coil end and the second cover on the other hand.

Abstract: An electric drive for a vehicle includes an electric machine having a stator which has a stator core with a longitudinal axis and a stator winding, the stator winding forming a winding head at an axial face side of the stator core. Also included is an inverter, supply busbars connected to the inverter, and a terminal device including an insulation body includes a base and a plurality of concentrically arranged ribs protruding from the base into an axial direction and extending along a circumferential direction.

Abstract: A rotor including a rotor shaft, a rotor body formed of a stack of laminations having a plurality of teeth projecting radially, a field coil wound around each tooth of the plurality of teeth, and a plurality of wedge elements each having two lateral sides configured to come against respectively a corresponding tooth. A convex portion and a projecting portion adjoining the convex portion are arranged on each one of the two lateral sides of the corresponding wedge element, the convex portion complementing a corresponding concave portion of the corresponding tooth, and the projecting portion coming against a corresponding protruding portion of the corresponding tooth. The projecting portion is configured to exert a pressing force on the protruding portion such that to press the convex portion against the concave portion.

Abstract: A stator (1) for an electric machine (101), wherein the stator (1) has N?3 phases (U, V, W), P?2 pole pairs, and q?1 holes, the stator (1) comprises a stator core (3) having at least 2NPq slots (4) and a number of 2NPqL shaped conductors (5) arranged in an even number of L?4 layers (6a-h) radially layered in the slots (4), the shaped conductors (5) form 2q paths (7a-d) per phase and are arranged in 2P winding zones (8), which each extend radially over L layers (6a-h) and in the circumferential direction over at least q directly adjacent slots (4), the shaped conductors (5) of each path are connected in a series circuit, which is provided by connectors (9a-e, 10a-f, 11a-g) arranged at both end faces (2a, 2b) of the stator core, each path comprises L/2 groups (12a-d) of shaped conductors (5) successively connected in series, each group (12a-d) is formed by at least one arrangement (13a, 13b) of at least four shaped conductors (5) which are arranged alternately in two immediately adjacent layers (6a-g) and ar

Abstract: A method for producing an active part (1) for a rotary electric machine (101), comprising the following steps: providing a core (2) for the active part (1) and shaped conductors (6) inserted into the core; joining together, in each case, two of the end areas (9) so that the two end areas (9) form a pair (10); and welding each pair (10) of the end areas (9) by means of a laser beam which is guided on the end areas (9) of the pair (10) along a first trajectory (13).

Abstract: Method for producing an active part (1) for a rotating electric machine (101), comprising the following steps: providing a core (2) for the active part (1) and shaped conductors (6) which are inserted into the core (2), joining in each case two of the end faces (9) to one another; and welding a respective pair (10) of the end faces (9) by means of a laser beam which is guided along a pattern having a trajectory (15).

Abstract: Stator for an electrical machine, comprising a stator core with stator slots which are formed along an axial direction with respect to a center axis of the stator and are arranged in a manner distributed in a circumferential direction with respect to the center axis, a hairpin winding with a large number of hairpin element arrangements which are arranged in the stator slots and each emerge from the end side of the stator core, and at least one insulation apparatus with a body in which a large number of passage openings which are arranged in a manner distributed in the circumferential direction are formed; wherein a respective hairpin element arrangement passes through one of the passage openings and the insulation apparatus specifies a distance of the hairpin element arrangement from an edge of the stator slot which receives the hairpin element arrangement.

Abstract: A stator for an electric machine is disclosed. The stator has a plurality of pins arranged in slots in the stator on concentric circles at different distances from a center point, each concentric circle forming a layer. Each of six pins in different layers are connected to one another in series and form a winding. A first pin of the winding in a first slot in the 6n-4 layer, n being a natural number, a second pin of the winding in a second slot in the 6n-5 layer, a third pin of the winding in the first slot in the 6n-2 layer, a fourth pin of the winding in the second slot in the 6n-3 layer, a fifth pin in the first slot in the 6n layer, and a sixth pin of the winding in the second slot in the 6n-1 layer.

Abstract: A stator for an AC motor, includes windings of a first layer, which extend over a first region of the stator and are connectable to a first phase, and windings of a second layer, which extend over a second region of the stator and are connectable to a second phase, wherein the first region is offset relative to the second region and at least one overlap region is formed which is smaller than the individual regions, and wherein a temperature detection unit is arranged in the overlap region and is designed to measure the temperature of the windings in the overlap region.

Abstract: A stator for an electric machine having a plurality of pins, which are arranged on concentric circles at different distances from a stator center point in slots in the stator, and each concentric circle forms a layer, where four pins in different layers are connected to one another in series and form a winding. A first pin of the winding is located in a first slot in the 4n-3 layer, wherein n is a natural number, a second pin of the winding is located in a second slot in the 4n-2 layer, wherein the second slot is at a first radial distance from the first slot in a first circumferential direction of the stator, a third pin of the winding is located in the first slot in the 4n layer, and a fourth pin of the winding is located in the second slot in the 4n-3 layer.

Abstract: Described is a rotor (3) for an electrical machine (1) which comprises a rotor laminated core (6) divided into a plurality of sectors (B), in each of which there is arranged a permanent magnet assembly (4) which has two permanent magnets (13a, 13n) which are arranged in a V shape and which are positioned symmetrically with respect to a plane of symmetry (C) splitting the sector (B) into two half-sectors (D, D?). An outer contour (E) of the rotor laminated core (6) runs in each sector (B) symmetrically with respect to the plane of symmetry (C) and is formed in one half-sector (D, D?) by at least three different radii with just as many different centre points. The invention also relates to an electric machine (1) having such a rotor (3) and to a vehicle (17) having such an electric machine (1).

Abstract: A rotor for an electrical machine, comprising: a rotor stack with a plurality of pole teeth and windings around the pole teeth, a plurality of groove wedges, which are arranged radially above the windings, in grooves between the pole teeth, characterised in that a support element is arranged in the grooves between the windings and radially between the groove wedges and the rotor stack.

Abstract: A temperature detection unit for a stator of an electric motor, includes a plate, a support element, at least two feet, and at least two temperature sensors, wherein the temperature sensors are arranged one on each of the feet.