H02K3/505

Winding of an electrical machine, electrical machine and method for producing the winding

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).

Rotary electric machine and vehicle provided with the same

A rotary electric machine includes a rotor, a stator, and stator windings. The stator winding has a plurality of slot conductor groups having a plurality of slot conductors of the same phase. A plurality of slot conductors of the slot conductor group are inserted into a predetermined number (Ns) of slots continuously arranged in a circumferential direction of the stator core such that the slot and the layer are adjacent to each other. The predetermined number (Ns) is set to “Ns=NSPP+1,” where “NSPP” denotes the number of slots per pole per phase.

ELECTRICAL CONDUCTOR COOLED BY PHASE CHANGE MATERIAL AND METHOD FOR THE MANUFACTURE THEREOF

A method for manufacturing a conductor of a winding of a coil, includes manufacturing a heat-sink preform including a phase-change material, depositing a conductive element by layer deposition of electrically conductive material on the heat-sink preform, including inserting the heat-sink preform into an electrolytic solution of the electrically conductive material, and; electrodeposition for depositing the electrically conductive material on the heat-sink preform.

Method for producing an arrangement for a plug-in coil of an electric machine, grip apparatus and manufacturing

A method is presented for producing an arrangement for a plug-in coil of an electric machine, having the following steps: providing an arrangement of coil elements, which each are embodied as a rod-shaped coil element and are pre-aligned with one another; gripping the arrangement of coil elements by way of a grip apparatus, wherein the grip apparatus grips the arrangement of coil element by way of a first grip device in a first grip plane and by way of a second grip device in a second grip plane which is arranged beneath the first grip plane and at a distance therefrom; holding the arrangement of coil elements by way of the grip apparatus and inserting legs of the coil element into allocated grooves of a core; and releasing the grip apparatus from the arrangement of coil elements.

Method and a device for inserting windings into a stator or rotor with gripping members

A device for inserting electrical conductors into a machine element of an electric machine comprises a collection receptacle for providing an assembly of one or several crowns formed from electrically conductive hairpins, and an inserting device for removing the crown assembly from the collection receptacle and for introducing the crown assembly into the machine element. An associated method comprises the steps of: providing, in a collection receptacle, an assembly of one or several crowns of hairpins; removing the crown assembly from the collection receptacle; and introducing the crown assembly into the machine element which, in particular, is a stator or rotor of an electric motor.

Generator stator end winding coil support assembly

A generator stator end winding coil support assembly is presented. The assembly includes a bracket rigidly secured to a core flange plate and a brace clamped between a backup plate and the bracket by studs. The brace connects to an inner support ring. An elastic layer is disposed around the brace. Sleeves are disposed in apertures of the brace and enclose the studs. The sleeves set up a gap at interfaces between the brace and the bracket and between the brace and the backup plate that defines a compression of the elastic layer. The compression enables the brace to be movable relative to the bracket rigidly secured to the core flange plate for flexibly supporting the end winding coils. Flexibility and stiffness of the support is controllable by adjusting clamping force of the studs and selection of the elastic layer based on load conditions during operation.

LAMINATED BUSBAR ASSEMBLY, MOTOR CONTROLLER, DRIVE ASSEMBLY AND VEHICLE
20220311231 · 2022-09-29 ·

The present disclosure relates to the field of new energy, and provides a laminated busbar assembly, a motor controller, a drive assembly, and a vehicle. The laminated busbar assembly includes a main circuit board, a positive and a negative electrode connection plates, and a three-phase connection plate assembly, which are laminated in sequence. The positive and the negative electrode connection plates, and the three-phase connection plate assembly are each provided with pins arranged circumferentially. The present disclosure designs a laminated arrangement and an annular arrangement of pins, thereby improving the device integration and space utilization, effectively reducing the occupied space, and realizing high integration of the motor controller and the drive assembly.

THREE-PHASE TERMINAL BLOCK, DRIVE ASSEMBLY AND VEHICLE
20220311307 · 2022-09-29 ·

The present disclosure relates to the field of new energy, and provides a three-phase terminal block, a drive assembly, and a vehicle. The three-phase terminal block includes a cylindrical terminal block body and three single-phase terminals each arranged along an axial direction of the terminal block body, wherein the single-phase terminals each are provided with a first terminal portion and a second terminal portion on two ends. The three single-phase terminals are arranged at an outer circumference of the terminal block body to connect terminals of a stator correspondingly, thereby optimizing the wiring layout. In addition, the space formed by the three single-phase terminals can accommodate components, thereby improving the compactness of the structure layout.

MOTOR CONTROLLER WITH CAPACITORS SURROUNDED, DRIVE ASSEMBLY AND VEHICLE
20220311314 · 2022-09-29 ·

The present disclosure relates to the field of new energy, and provides a motor controller with capacitors surrounded, a drive assembly, and a vehicle. The motor controller includes multiple capacitors, a main circuit board, a positive electrode connection plate in a form of a bottomed cylinder, and a negative electrode connection plate, wherein the main circuit board is provided with positioning posts with different diameters on a bottom, and outer edges of the positive and the negative electrode connection plates are each circumferentially provided with multiple pins. The multiple capacitors are arranged in a device accommodating space, the positioning posts and the negative electrode connection plate facilitate a stable connection of the capacitors, and the laminated assembly is simple.

DRIVE ASSEMBLY WITH ANNULARLY ARRANGED POWER TRANSISTORS AND VEHICLE INCLUDING THE SAME
20220302792 · 2022-09-22 ·

The present disclosure relates to the field of new energy, and provides a drive assembly with annularly arranged power transistors and a vehicle including the same. The drive assembly includes a housing, a motor controller, a rotor, and a stator, wherein an outer wall of the housing is provided with a liquid cooling channel including a motor cooling groove located on an outer wall of a motor mounting chamber and a controller cooling groove located on an outer wall of a controller mounting chamber that communicate with each other, the motor controller includes a circuit board assembly and multiple power transistors, and the multiple power transistors are provided at an outer circumference of the circuit board assembly, and are electrically connected with the circuit board assembly. The multiple power transistors are evenly distributed circumferentially, thereby realizing integrated liquid cooling and improving heat dissipation efficiency.