The present invention is intended to provide: a cooling jacket device 1 which offers excellent cooling performance, is easy to manufacture and. enables cost reduction; and a rotary electric machine including the cooling jacket device. The cooling jacket device includes: a plurality of jacket bodies each of which is formed in a substantially flat plate shape and includes therein a channel communicating with a pair of inlet/outlet ports formed in an outer surface of the jacket body, and allowing a refrigerant to flow therethrough; a plurality of coupling members which couple and retain the plurality of jacket bodies in conformity with an outer peripheral shape of a heat generating portion of the rotary electric machine; and a plurality of tubular members which are connected to the inlet/outlet ports, through which the refrigerant discharged from the inlet/outlet port of one of the plurality of jacket bodies is sent to the inlet/outlet port of another one of the plurality of jacket bodies so that the refrigerant flows through the channels of the plurality of jacket bodies.

A method of manufacturing a compressed coil and a system for holding a wire during the manufacture of a compressed coil are disclosed. The method includes providing a wire including a first lead section, a central section and a second lead section. The central section of the wire is wound around a bobbin to form a coil. A punch top is located over an end of the bobbin such that the end of the bobbin is located at least partially within a through-hole of the punch top. A second lead section of the wire is located within a groove in an outer surface of the punch top or bobbin and pressure is applied to the bobbin and/or punch top to compress the coil.

A motor includes a first inverter electrically connected to a first end of a winding of each phase, and a second inverter electrically connected to a second end of the winding of each phase. Each of the first and second inverters includes low-side switching elements and high-side switching elements. FETs of the first inverter are electrically connected to a first end of a U-phase winding. FETs of the second inverter are electrically connected to a second end of the U-phase winding. At least a portion of a current flowing from one of the FETs of the first inverter to the U-phase winding flows to one of the FETs of the second inverter. One of the FETs of the first inverter and one of the FETs of the second inverter are adjacent to each other.

An electrical motor arrangement includes and electric motor having a frequency converter. The components of the electronics of the frequency converter are distributed among a plurality of modules, the modules are electrically connected to each other, and the individual modules are arranged radially on the motor and each have an individual closed housing in the mounted state. A cooling arrangement may be provided in which a fan causes a heat-dissipating air stream to pass over the modules and cooling fins arranged between adjacent modules to dissipate heat from the electric motor stator.

This present disclosure discloses an electrical power generating system, comprising a mechanical energy input, a direction transferring module, a first electromagnetic rotation module, a second electromagnetic rotation module and a power storage module. The direction transferring module is connected with the mechanical energy input. Moreover, the direction transferring module comprises a first output and a second output. The first output and the second output are deposed on two sides of the direction transferring module respectively. The first electromagnetic rotation module is connected with the first output, and the second electromagnetic rotation module is connected with the second output. On the other hand, the power storage module connects to the first electromagnetic rotation module and the second electromagnetic rotation module simultaneously.

The machine assembly includes a plurality of electric machines, wherein rotors and/or stators of the electric machines are mechanically coupled to one another. The electric machine serves, in particular, to constitute a machine assembly and includes a housing for a rotor and/or stator, wherein the housing has a respective first and second mechanical connection element, wherein first and second mechanical connection elements correspond to one another. The vehicle may be an electric and/or hybrid-electric vehicle. The vehicle has a machine assembly and/or at least one electric machine, in particular a drive having the machine assembly or the electric machine.

A linear motor conveyor system including: at least one track section comprising: electronic circuitry housed within the track section; and a rotatable segment comprising an end profile that abuts another track section to form a stepped groove sealed by a gasket. A moving element for a linear motor conveyor system including: a body; a first set of bearings attached to the body and angled to abut against an a first guide rail of a conveyor system having a protrusion with opposing angled profiles; a second set of bearing attached to the body and designed to abut against a flat profile of a second guide rail of the conveyor system.

A permanent magnet module for an electrical machine extending along an axial direction is provided. The permanent magnet module comprises a permanent magnet assembly comprising at least one permanent magnet and a base supporting at least part of the permanent magnet assembly and extending from a bottom adapted to be positioned on a rotor of an electrical machine to a top along a radial direction. The permanent magnet assembly further comprises a first inclined permanent magnet portion and a second inclined permanent magnet portion arranged outwardly inclined along the radial direction and a tangential permanent magnet portion arranged substantially perpendicular to the radial direction.

A motor shaft of an electric motor is produced by producing and interconnecting a first module and an additional module of the motor shaft. The first module of the motor shaft and/or the additional module of the motor shaft is or are provided with a module-end connection element by cold forming and/or by warm forming and/or by hot forming a base module. The first module of the motor shaft produced in this way and the additional module of the motor shaft produced in this way are then interconnected by joining the module-end connection elements on both ends. A motor shaft produced according to this method is formed of a correspondingly configured first module and a correspondingly configured additional module.

A segmented stator has a plurality of individual teeth (12) connected to one another in the direction of rotation. Each individual tooth (12) has a connecting portion (17) to produce a nonpositive mechanical connection with at least one directly adjacent individual tooth (12). The respective connecting portion (17) has a groove-shaped fastening contour (18, 18a, 19, 19a), at least on one connecting side (17a, 17b), facing toward the directly adjacent individual tooth (12). The fastening contour (18, 18a, 19, 19a) of an adjacent individual tooth (12) can be connected to its connecting portion (17), such that a nonpositive connection is produced which ensures a magnetic flux.