Abstract: Connection unit for a stator with a stator winding having a number N of phases, having first to Nth contact portions, which are each designed for electrically conductively contacting one of N connection portions of the stator, form a receiving chamber for receiving one of the connection portions and have a guide. A respective contact portion has a wall, which limits the receiving chamber on one side, and the guide of the contact portion has a wall, which adjoins the wall of the contact portion and is bevelled with respect to the wall of the contact portion in a manner facing away from the receiving chamber. A conductor arrangement, which either electrically conductively connects the first to Nth contact portions or comprises N conductor portions, which are electrically isolated from one another and are each electrically conductively connected to one of the contact portions.

Abstract: Connection device for a stator having a stator winding, including N phases, first and second connection units which each comprise N contact portions and a conductor arrangement. The contact portions of the first connection unit are each designed for electrically conductive contacting of one of N connection portions of the stator winding, and the conductor arrangement of the first connection unit electrically conductively connects the contact portions of the first connection unit. The contact portions of the second connection unit are each designed for electrically conductive contacting of one of N further connection portions of the stator winding and the conductor arrangement of the second connection unit comprises N conductor portions, which are electrically insulated from each other and are each electrically conductively connected to one of the N contact portions of the second connection unit. A fastening mechanism permits the connection units to be detached and fastened.

Abstract: Connection unit for a stator with a stator winding having a number N of phases, having first to Nth contact portions, which are each designed for electrically conductively contacting one of N connection portions of the stator, form a receiving chamber for receiving one of the connection portions and have a guide. A respective contact portion has a wall, which limits the receiving chamber on one side, and the guide of the contact portion has a wall, which adjoins the wall of the contact portion and is bevelled with respect to the wall of the contact portion in a manner facing away from the receiving chamber. A conductor arrangement, which either electrically conductively connects the first to Nth contact portions or comprises N conductor portions, which are electrically isolated from one another and are each electrically conductively connected to one of the contact portions.

Abstract: Connection device for a stator having a stator winding, including N phases, first and second connection units which each comprise N contact portions and a conductor arrangement. The contact portions of the first connection unit are each designed for electrically conductive contacting of one of N connection portions of the stator winding, and the conductor arrangement of the first connection unit electrically conductively connects the contact portions of the first connection unit. The contact portions of the second connection unit are each designed for electrically conductive contacting of one of N further connection portions of the stator winding and the conductor arrangement of the second connection unit comprises N conductor portions, which are electrically insulated from each other and are each electrically conductively connected to one of the N contact portions of the second connection unit. A fastening mechanism permits the connection units to be detached and fastened.

Abstract: Connection unit for a stator having a stator winding with N number of phases. The connection unit includes a number N of contact portions each having a first wall and a second wall, and each contact portion forming a receiving chamber delimited by the first wall and the second wall and designed to encase one of N connection portions of the stator. Each contact portion is configured to electrically contact the connection portion, wherein the first and second walls of the N contact portions are oriented parallel to one other. A conductor arrangement which either electrically conductively connects the contact portions or includes N conductor portions which are electrically isolated from one another and are each electrically conductively connected to one of the N contact portions.

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 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 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.

Abstract: A stator (5) for an electrical machine (1) is described, which comprises an annular stator base body (7) with stator grooves (13, 13a, 13b) which are open towards the inside, and stator coils (14a, 14b) of a stator winding (8) which are arranged in the stator grooves (13, 13a, 13b) and assigned to a plurality of phases (L1 . . . L3) of the electrical machine (1). Adjacent stator coils (14a, 14b) of the same phase (L1 . . . L3) are here contra-wound and electrically connected in parallel. Furthermore, an electrical machine (1) with such a rotor (3a . . . 3c), and a drive arrangement and a vehicle (17) with such an electrical machine (1) are described.

Abstract: An arrangement for an electric machine (1) is disclosed, which comprises a housing (12) with a stopper (13) and a stator (4) arranged in the housing (12). The stator (4) comprises a stator lamination stack (6), stator windings (7) and a stator end disc (8a, 8b) arranged on the axial end of the stator lamination stack (6). In the mounted position, the stator lamination stack (6) on the axial end, on which the stator end disc (8a, 8b) is arranged, is in body contact with the stopper (13) of the housing (12). In detail, the stopper (13) has an annular shape thereby providing a radial gap (b) between the stopper (13) and the stator end disc (8a, 8b). Moreover, the invention relates to a method for manufacturing such an arrangement, an electric machine (1) having such an arrangement and a vehicle (16) having such an electric machine (1).

Abstract: A contact ring for a stator of an electric motor has three planes, i.e. a first plane with at least one first conductor; a second plane made of an electrically insulating material; and a third plane with at least one second conductor, and at least one first and one second feedthrough passing through the second plane. The first feedthrough is smaller than the second feedthrough, and the first feedthrough guides coil wires of one coil and the second feedthrough guides coil wires of at least two coils.

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.

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 contact ring for a stator of an electric motor has three planes, i.e. a first plane with at least one first conductor; a second plane made of an electrically insulating material; and a third plane with at least one second conductor, and at least one first and one second feedthrough passing through the second plane. The first feedthrough is smaller than the second feedthrough, and the first feedthrough guides coil wires of one coil and the second feedthrough guides coil wires of at least two coils.

Abstract: In a method for winding an electrical machine, a winding auxiliary body is placed on at least one of the end faces of a base body such as to cover at least one of the slot end openings within a circumferential bridging area. Electrical conductors of a winding system are inserted in at least one of the slots whose slot end opening is on one side of the bridging area and passed through an uncovered slot end opening. Subsequently, the electrical conductors are deflected by the winding auxiliary body and guided to a further uncovered one of the slot end openings on another side of the bridging area. After placement of an end plate having an axially projecting separating element and plugging an axial attachment cutout of the winding auxiliary body onto the separating element, the winding auxiliary body is removed, thereby producing a winding element of the winding system.

Abstract: An electrical machine includes a basic bed having a opposite axial end sides and slots, wherein the slots an the end sides have each a slot end opening. A winding system has electrical conductors which are accommodated in the slots wherein the electrical conductors extend out on one of the end sides of at least one of the slot end openings. The electrical conductors are hereby laid within a bridging region extending in a circumferential direction on the at least one end side and are inserted into at least one other one of the slot end openings. Arranged on the at least one end side in the bridging region is a first guide element for guiding the electrical conductors of a first subwinding of the windings stem. An end late is arranged on the at least one end side and has at least one axially protruding separating element with the first guide element having a base bearing a against the separating element.

Abstract: Disclosed is an electric machine comprising a rotational shaft and a base that is provided with two axial faces and grooves for accommodating electrical conductors (12) of a winding system. Each face of said grooves is fitted with one front hole. The electrical conductors (12) are guided out of at least one of said front holes on one of the faces, are laid within a bridging zone which extends in the circumferential direction on the face, and are inserted into at least one other of the front holes of a groove. A first guiding element (23) used for guiding the electrical conductors (12) of a first partial winding of the winding system is disposed on the face, in the bridging zone.

Abstract: In a method for winding an electrical machine, a winding auxiliary body is placed on at least one of the end faces of a base body such as to cover at least one of the slot end openings within a circumferential bridging area. Electrical conductors of a winding system are inserted in at least one of the slots whose slot end opening is on one side of the bridging area and passed through an uncovered slot end opening. Subsequently, the electrical conductors are deflected by the winding auxiliary body and guided to a further uncovered one of the slot end openings on another side of the bridging area. After placement of an end plate having an axially projecting separating element and plugging an axial attachment cutout of the winding auxiliary body onto the separating element, the winding auxiliary body is removed, thereby producing a winding element of the winding system.