Abstract: A stator (10) of an electric machine has a stator lamination stack (16) that includes stator laminations. The stator (10) also has at least one stator winding (15) defined by conductor bars (11-14) arranged in slots (17) of the stator lamination stack (16) and fixed in the slots (17) of the stator lamination stack (16) with the aid of a fixing device (22). The fixing device (22) in a slot (17), a nonwoven material (20) which can be saturated with a cooling liquid (28).

Abstract: A stator (30) of an electric machine has a stator lamination stack (20) that comprises stator laminations (1). The stator (30) has at least one stator winding with conductor bars (31) arranged in slots of the stator lamination stack (20) and fixed in the slots of the stator lamination stack (20) with the aid of a fixing device. To improve the stator (30) with regard to the service life thereof and/or to the producibility thereof, at least one clamping stator lamination (8;28) has a clamping geometry that serves as the fixing device.

Abstract: A stator (1, 10) for an electric motor is disclosed. The stator includes a laminated stator core (2, 11) and a plurality of hairpin-like elements (3, 12) of a metallic material, the plurality of hairpin-like elements having two longitudinal legs (4, 13) and a connecting section (5, 14) between the longitudinal legs (4, 13). The laminated stator core (2, 11) has a plurality of slots (6, 15), wherein each of the longitudinal legs (4, 13) of the hairpin-like elements (3, 12) is received in a slot (6, 15), wherein the connecting sections (5, 14) of the hairpin-like elements (3, 12) form an annular region (7, 16), wherein the hairpin-like elements (3, 12) each define a plane (18, 19) with their two longitudinal legs (4, 13), wherein the connecting section (5, 14) of the respective hairpin-like element (3, 12) is tilted out of the plane (18, 19).

Abstract: Winding (12) of an electrical machine, having a plurality of winding segments (13), wherein each winding segment (13) respectively has at least two electrically conductive, hairpin-shaped or U-shaped or rod-shaped conductor elements (15), wherein the conductor elements (15) of each winding segment (13) are surrounded, in a central section thereof, by electrically insulating insulation (16) while leaving ends of the conductor elements free, and wherein each conductor element (15) of each winding segment (13) is connected in an electrically conductive manner to a conductor element (15) of another winding segment at the ends. Projections (17) which are made from an electrically insulating material and are used as spacers are applied to sections of the insulation (16) of the conductor elements (15) and bound sections of the coolant channels (18) for directly cooling the conductor elements (15).

Abstract: A method is provided for balancing rotors (10) of electrical machines. Each rotor (10) has a shaft (11) and at least one laminated core (12) is arranged on the shaft. The method includes providing blanks (13) with a length (l) that is smaller than an outside diameter (d) of the laminated core (12) of the rotor (10). A magnitude and orientation of an initial unbalance of the rotor (10) then is ascertained. A recess (15) then is made in each blank (13) spaced from the center of gravity by a distance depending on the magnitude of the ascertained initial unbalance. The blank (13) is mounted by fitting the recess (15) on the shaft (11) of the rotor (10) and mounting the processed blank (13) on the rotor (11) in an angular position that is dependent on the orientation of the ascertained initial unbalance.

Abstract: A stator (10) of an electric machine has a stator lamination stack (16) that includes stator laminations. The stator (10) also has at least one stator winding (15) defined by conductor bars (11-14) arranged in slots (17) of the stator lamination stack (16) and fixed in the slots (17) of the stator lamination stack (16) with the aid of a fixing device (22). The fixing device (22) in a slot (17), a nonwoven material (20) which can be saturated with a cooling liquid (28).

Abstract: A stator (30) of an electric machine has a stator lamination stack (20) that comprises stator laminations (1). The stator (30) has at least one stator winding with conductor bars (31) arranged in slots of the stator lamination stack (20) and fixed in the slots of the stator lamination stack (20) with the aid of a fixing device. To improve the stator (30) with regard to the service life thereof and/or to the producibility thereof, at least one clamping stator lamination (8;28) has a clamping geometry that serves as the fixing device.

Abstract: A method for balancing rotors (10) of electrical machines, where each rotor (10) has a shaft (11) and at least one laminated core (12) arranged on the shaft. The method includes providing a rotor (10) that is to be balanced, providing blanks (13), with a length (l) that is smaller than an outside diameter (d) of the laminated core (12) of the rotor (10), ascertaining a magnitude and orientation of an initial unbalance of the rotor (10) and processing the blanks (13) by making a recess (15) in the respective blank (13) outside the center of gravity depending on the magnitude of the ascertained initial unbalance. The blank (13) can be mounted by fitting the recess (15) on the shaft (11) of the rotor (10) and mounting the processed blank (13) on the rotor (11) in an angular position that is dependent on the orientation of the ascertained initial unbalance.

Abstract: An electric motor includes a stator having a stator lamination stack and electric conductors. The stator lamination stack has a plurality of stator laminations, wherein the stator lamination stack has axial slots. The stator lamination stack has a plurality of positioning disks, and the positioning disks have leadthroughs. The electric conductors are arranged in the slots, being passed through the leadthroughs, wherein the leadthroughs have positioning regions for positioning the electric conductors. Also described is a method for operating an electric motor and a method for producing an electric motor.

Abstract: Winding (12) of an electrical machine, having a plurality of winding segments (13), wherein each winding segment (13) respectively has at least two electrically conductive, hairpin-shaped or U-shaped or rod-shaped conductor elements (15), wherein the conductor elements (15) of each winding segment (13) are surrounded, in a central section thereof, by electrically insulating insulation (16) while leaving ends of the conductor elements free, and wherein each conductor element (15) of each winding segment (13) is connected in an electrically conductive manner to a conductor element (15) of another winding segment at the ends. Projections (17) which are made from an electrically insulating material and are used as spacers are applied to sections of the insulation (16) of the conductor elements (15) and bound sections of the coolant channels (18) for directly cooling the conductor elements (15).