Abstract: The present invention relates to a method for the thermal treatment of a compressed strand, where the thermal treatment of the compressed strand is carried out in a state installed as intended in a component of an electric motor, to a method for producing an electric motor with at least one component having at least one compressed strand, the compressed strand being thermally treated according to the invention, and to a method for producing a motor vehicle with an electric motor, the electric motor being produced according to the invention.

Abstract: The invention relates to a stator for an electric machine, comprising a plurality of rod conductors and at least one insulation disk that is arranged in an end face region of the stator and includes a plurality of interconnection pieces. Rod conductor contact surfaces and interconnection piece contact surfaces have corresponding shapes such that a planar contact can be created; for this purpose, the interconnection piece protrude from the insulation disk in the radial direction at least along the interconnection piece contact surface such that a plurality of interconnection piece contact surfaces can simultaneously come into contact with the associated rod conductor contact surfaces. The invention further related to an electric machine and to a manufacturing process.

Abstract: The invention relates to a cooling channel for a winding head of an electric machine, where the cooling channel is formed to be annular for guiding a cooling fluid with at least one inflow and at least one outflow and for being arranged around the winding head With the aim of an improved sealing property, the cooling channel comprises an axially movable pressing member which is arranged such that a cooling fluid can flow onto the pressing member and a pressing force against the cooling channel can be generated.

Abstract: The present invention relates to a method for producing a compressed strand (F) from a wire, comprising at least the method steps of: a) shaping said wire (1) into at least one half-loop, ring, or coil in a shaping device (2); b) acting upon said at least one ring, half-loop or coil with adhesive (7); c) twisting said at least one half-loop, ring, or coil into a wire packet (1?) in a twisting device (4); d) compacting said wire packet (D) in a compacting device (5), as well as to a method for producing an electric motor, in particular a traction motor for a motor vehicle, comprising a stator (S), where the stator is equipped with at least one compressed strand (F), where the compressed strand (F) is produced according to the method of at least one of the preceding claims, as well as to the use of a compressed strand (F) in an electric motor, in particular in a traction motor for a motor vehicle, characterized in that it is a compressed strand (F) according to at least one of the preceding claims.

Abstract: The invention relates to a method for producing stranded wires, including the steps of applying an insulation layer to lines, separating the insulated lines, individually removing the insulation layer from the separated lines along a partial length of the lines, and bringing the lines together to form a stranded wire, wherein the partial lengths are arranged at the same level at least in sections for the purpose of forming a non-insulated contact region.

Abstract: The present invention relates to an electrical machine, in particular an electric motor, comprising a stator having a winding overhang, wherein: the winding overhang is equipped with at least one phase connection lug or star-point connection lug; a connection means is provided for electrically connecting the phase connection lug or star-point connection lug to a current source; the connection means comprises a first connection piece, which is connected to the phase connection lug or star-point connection lug and has a threaded bore; the connection means comprises a second connection piece, which is equipped with a bore; the first connection piece is integrally connected, in particular welded, to the phase connection lug or star-point connection lug in question, and the threaded bore of the first connection piece and the bore of the second connection piece have a common geometric axis; a screw is screwed through the bore of the second connection piece into the threaded bore of the first connection piece.

Abstract: The invention relates to a stator for an electric machine, comprising a plurality of rod conductors and at least one insulation disk that is arranged in an end face region of the stator and includes a plurality of interconnection pieces. Rod conductor contact surfaces and interconnection piece contact surfaces have corresponding shapes such that a planar contact can be created; for this purpose, the interconnection piece protrude from the insulation disk in the radial direction at least along the interconnection piece contact surface such that a plurality of interconnection piece contact surfaces can simultaneously come into contact with the associated rod conductor contact surfaces. The invention further related to an electric machine and to a manufacturing process.

Abstract: A stator for an electrical machine, comprising a stator laminated core and segment conductors accommodated in the stator laminated core, wherein at least a first segment conductor and a second segment conductor are provided, at their ends, with a respective contact-making region, the contact-making regions being connected to one another by means of a winding head, wherein the stator is provided with at least one cooling cap defining a duct for receiving cooling fluid therein, wherein the winding head protrudes into the duct, wherein the duct is provided with at least one fluid guide means, which is configured for directing the cooling fluid or at least part of the cooling fluid in the direction of the winding head, and also an electrical machine, comprising a rotor and a stator according to the present invention.

Abstract: The invention relates to a stator comprising at least one insulating disk, at least one interconnection web, and at least one temperature sensor, where the insulation disk comprises a holding element and the interconnection web comprises an abutment surface for the temperature sensor, the interconnection web and the temperature sensor are arranged and held at least in sections in the holding element and the temperature sensor touches the abutment surface at least in part in a planar manner and is pressed against the abutment surface by a spring force and/or by a clamping force.

Abstract: The invention relates to a stator for an electric machine, comprising a plurality of rod conductors and a plurality of interconnection pieces. The interconnection pieces each have a curved shape, in particular the shape of a C, extending in the radial direction and about the axis of rotation of the stator; in order to form respective interconnection planes along the axis of rotation, each group of interconnection pieces is arranged in the region of at least one short end of the rod conductors of the associated group of rod conductors that are to be electrically connected. The invention further relates to a connection component and an electric machine.

Abstract: The invention relates to a cooling channel for a winding overhang of an electrical machine, wherein, in order to conduct a cooling fluid, said cooling channel is designed with at least one inflow and at least one outflow and is annular for provision around the winding overhang. The cooling channel has a plurality of partitions arranged such that parallel sub-channels are formed between the at least one inflow and at least one outflow, and the inflow is arranged radially outwardly, relative to the cooling channel, and the outflow radially inwardly, or vice versa.

Abstract: The invention relates to an insulator ring for a stator, in particular for a winding head of a stator, in particular for a winding composed of rod conductors, comprising at least one first wall formed by a first hollow cylinder, where partition walls, which are formed from electrically insulating material, are arranged in a star shape on a surface of the first wall, where the partition walls extend from the end face of the stator over an axial height of the winding head.

Abstract: The invention relates to a cooling channel for a winding head of an electric machine, where the cooling channel is formed to be annular for guiding a cooling fluid with at least one inflow and at least one outflow and for being arranged around the winding head. With the aim of an improved sealing property, the cooling channel comprises an axially movable pressing member which is arranged such that a cooling fluid can flow onto the pressing member and a pressing force against the cooling channel can be generated.

Abstract: The present invention relates to a compressed strand comprising a wire pack consisting of at least two wires, wherein at least one head end of the compressed strand, preferably both head ends, has/have a contact-making section and a heat-exchange section, and to a stator or rotor of an electric motor, wherein the rotor or stator, respectively, is equipped with at least one compressed strand according to at least one of the preceding claims, and to an electric motor, comprising a stator and a rotor, characterized by a stator and/or rotor according to at least one of the preceding claims.

Abstract: The present invention relates to a method for the thermal treatment of a compressed strand, where the thermal treatment of the compressed strand is carried out in a state installed as intended in a component of an electric motor, to a method for producing an electric motor with at least one component having at least one compressed strand, the compressed strand being thermally treated according to the invention, and to a method for producing a motor vehicle with an electric motor, the electric motor being produced according to the invention.

Abstract: The invention relates to a method for producing a compressed strand (F) made of an insulated wire (1) which is supplied in a straight manner or in a substantially straight manner, characterized by the following method steps: a) shaping the insulated wire (1) into at least one half-loop, ring, or coil using a shaping device (2); b) twisting the at least one half-loop, ring, or coil into a wire packet (D) using a twisting device (4); c) compacting the wire packet (D) using a compacting device (5), as well as to a method for producing an electric motor, where at least a portion of the compressed strand for the electric motor is produced using the method according to the invention, and to the use of the compressed strand in the stator (S) of an electric motor, where the compressed strand is at least in sections the compressed strand produced according to the invention.

Abstract: The present invention relates to a method for producing a compressed strand (F) from a wire, comprising at least the method steps of: a) shaping said wire (1) into at least one half-loop, ring, or coil in a shaping device (2); b) acting upon said at least one ring, half-loop or coil with adhesive (7); c) twisting said at least one half-loop, ring, or coil into a wire packet (1?) in a twisting device (4); d) compacting said wire packet (D) in a compacting device (5), as well as to a method for producing an electric motor, in particular a traction motor for a motor vehicle, comprising a stator (S), where the stator is equipped with at least one compressed strand (F), where the compressed strand (F) is produced according to the method of at least one of the preceding claims, as well as to the use of a compressed strand (F) in an electric motor, in particular in a traction motor for a motor vehicle, characterized in that it is a compressed strand (F) according to at least one of the preceding claims.

Abstract: The invention relates to a method for producing stranded wires, including the steps of applying an insulation layer to lines, separating the insulated lines, individually removing the insulation layer from the separated lines along a partial length of the lines, and bringing the lines together to form a stranded wire, wherein the partial lengths are arranged at the same level at least in sections for the purpose of forming a non-insulated contact region.

Abstract: A stator having slots separated by stator teeth, into which shaped bars, formed from a plurality of individual wires, are deployed, wherein in each case sidewalls of a stator tooth bounding adjacent slots in a region of the shaped bars run essentially parallel to one another.

Abstract: Stators (1) for electrical machines, in particular a rotating field machine, such as a motor or generator, in particular for an electric vehicle, wherein a stator (1) has slots separated by stator teeth, into which shaped bars (3, 4), formed from a plurality of individual wires (10), are deployed, characterised in that in each case the two sidewalls of a stator tooth bounding adjacent slots in the region of the shaped bars (3, 4) run essentially parallel to one another.