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 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: The invention relates to a stator device (2) for an electric machine (1), comprising—a stator body (3), —a plurality of cooling channels (9a-9x) that are designed to cool the stator body (3) and extend along the stator body (3) in an axial direction, and —re) a cooling fluid connection device (7) that delimits a connection channel (12) axially outwards and in a radial manner, said connection Cie channel extending in the circumferential direction, wherein the axial end of each cooling channel opens into the connection channel, Got and the connection channel extends radially inwards further than the cooling channels (9a-9x).

Abstract: The invention concerns a stator of an electric rotating machine, the stator comprising a housing, a stator core (1), windings, and a distribution ring (2), the stator core (1) having inner and outer (11) longitudinal grooves, the outer longitudinal grooves (11) and the housing forming axial cooling channels configured to channel a coolant; the windings being located within the inner longitudinal grooves and forming at each end of the stator core (1) protruding windings ends, the distribution ring (2) being contiguous to the stator core (1) and comprising recesses (21) extending the outer longitudinal grooves (11), the recesses (21) being configured to guide the coolant from the outer longitudinal grooves (11) towards the protruding windings ends, such that the coolant flows over the protruding windings ends under the effect of gravity and/or due to the pressure of the coolant to cool the protruding windings ends.

Abstract: The invention relates to a stator, an electric machine comprising the stator, a vehicle comprising the electric machine, and a method for producing the stator. The stator comprises a stator laminated core and a housing element. The stator laminated core comprises a plurality of layered stator laminations, wherein each stator lamination has a plurality of tooth portions, each formed radially inwardly at an angular position, and indentations radially outwardly at each of the angular positions, each of which indentations has an at least partially curved edge having two radially outwardly curved edge portions, which meet at a point of intersection and describe an arc of a circle segment. The housing element comprises a cylindrical inner volume, in which the stator laminated core is arranged, the indentations forming cooling channels.

Abstract: A rotor assembly for an electric machine, including a rotor core and a shaft, is connected to the rotor core for conjoint rotation, wherein a cooling channel arrangement is formed within the rotor assembly and includes a cooling channel, which extends within the shaft. The rotor assembly further includes a separation element which has a separation portion extending in the circumferential direction at an inner radius of the shaft, wherein the separation portion separates an interior of the shaft into a first shaft portion, in which the cooling channel extends, and into a second shaft portion, wherein the separation element includes a sealing device, which seals off the shaft portions with respect to one another.

Abstract: An end plate for a rotor assembly of an electrical machine includes a central through-opening for a shaft, a collar formed on an end face of the end plate on the radial outside in the circumferential direction and a plurality of elevations on the end face. The elevations and collar axially delimit a cooling channel, wherein the cooling channel forms a plurality of cooling channel sections on both sides by a respective elevation. Two elevations delimiting a cooling channel section are spaced apart from one another by a first arc length at a first radial position between the through-opening and the collar and are spaced apart from one another by a second arc length greater than the first arc length at a second radial position delimited by the collar. Each cooling channel section includes at least one fluid guide element between the first radial position and the second radial position.

Abstract: The invention relates to a stator, an electric machine comprising the stator, a vehicle comprising the electric machine, and a method for producing the stator. The stator comprises a stator laminated core and a housing element. The stator laminated core comprises a plurality of layered stator laminations, wherein each stator lamination has a plurality of tooth portions, each formed radially inwardly at an angular position, and indentations radially outwardly at each of the angular positions, each of which indentations has an at least partially curved edge having two radially outwardly curved edge portions, which meet at a point of intersection and describe an arc of a circle segment. The housing element comprises a cylindrical inner volume, in which the stator laminated core is arranged, the indentations forming cooling channels.

Abstract: A rotor assembly for an electric machine, including a rotor core and a shaft, is connected to the rotor core for conjoint rotation, wherein a cooling channel arrangement is formed within the rotor assembly and includes a cooling channel, which extends within the shaft. The rotor assembly further includes a separation element which has a separation portion extending in the circumferential direction at an inner radius of the shaft, wherein the separation portion separates an interior of the shaft into a first shaft portion, in which the cooling channel extends, and into a second shaft portion, wherein the separation element includes a sealing device, which seals off the shaft portions with respect to one another.

Abstract: An end plate for a rotor assembly of an electrical machine includes a central through-opening for a shaft, a collar formed on an end face of the end plate on the radial outside in the circumferential direction and a plurality of elevations on the end face. The elevations and collar axially delimit a cooling channel, wherein the cooling channel forms a plurality of cooling channel sections on both sides by a respective elevation. Two elevations delimiting a cooling channel section are spaced apart from one another by a first arc length at a first radial position between the through-opening and the collar and are spaced apart from one another by a second arc length greater than the first arc length at a second radial position delimited by the collar. Each cooling channel section includes at least one fluid guide element between the first radial position and the second radial position.

Abstract: The aim is to propose an individual-segment rotor that is simple to construct and suitable for series production. Therefore, an individual-segment rotor having a plurality of laminated core segments (2) arranged in a star shape and a permanent magnet (1) between each pair of adjacent laminated core segments (2) is provided, whereby the laminated core segments and the permanent magnets are arranged in a hollow cylindrical assembly. The laminated core segments each have a plurality of individual sheets, which are rigidly connected to one another. The hollow cylindrical assembly has a groove on each of two outer edges, into which groove a ring (11) is inserted in order to fasten the assembly.

Abstract: The aim is to propose an individual-segment rotor that is simple to construct and suitable for series production. Therefore, an individual-segment rotor having a plurality of laminated core segments (2) arranged in a star shape and a permanent magnet (1) between each pair of adjacent laminated core segments (2) is provided, whereby the laminated core segments and the permanent magnets are arranged in a hollow cylindrical assembly. The laminated core segments each have a plurality of individual sheets, which are rigidly connected to one another. The hollow cylindrical assembly has a groove on each of two outer edges, into which groove a ring (11) is inserted in order to fasten the assembly.

Abstract: An electric machine for installation to a retaining device includes a stator having an axis, and a torque-support device for supporting the stator against the retaining device to prevent a turning movement around the axis. The torque-support device has an intermediate element, at least two holding support elements for providing support against the retaining device, and at least two stator support elements for providing support against the stator. The holding support elements and the stator support elements possess each a greater rigidity in a circumferential direction in relation to the axis than in any other spatial direction.

Abstract: An electric machine for installation to a retaining device includes a stator having an axis, and a torque-support device for supporting the stator against the retaining device to prevent a turning movement around the axis. The torque-support device has an intermediate element, at least two holding support elements for providing support against the retaining device, and at least two stator support elements for providing support against the stator. The holding support elements and the stator support elements possess each a greater rigidity in a circumferential direction in relation to the axis than in any other spatial direction.

Abstract: A drive facility having an electric motor and a bearing arranged outside the motor for coupling a load shaft to a engine shaft of the electric motor is disclosed. The bearing has an outer ring, an inner ring and several rolling elements which are arranged between the outer ring and inner ring. An axial and a radial force are transmitted by the bearing from the load shaft onto the electric motor. The outer ring of the bearing is connected to a stationary component of the electric motor. The inner ring of the bearing is connected to a rotating component of the motor and is connectable to the load shaft. A torque generated by the motor is transmitted from the engine shaft to the inner ring.