A rotating electric machine includes: a rotary shaft member; a rotor including an annular rotor core having magnet housing holes; a stator including an annular stator core and a stator coil; a field yoke; and a field coil provided in the field yoke. Further, a bridge portion is provided between two magnet housing holes, an end surface in an axial direction at one end in a radial direction of the field yoke and an end surface in the axial direction of the bridge portion face each other in the axial direction, and an end surface in the axial direction at another end in the radial direction of the field yoke, and an end surface in the axial direction of the rotor core or an end surface in the axial direction of the stator core face each other in the axial direction.

A multi-pole rotor of a variable-flux memory motor (VFMM) includes: a plurality of poles. Each pole includes: a curved soft magnet, wherein an outer periphery of the curved soft magnet is toward the rotational axis of the rotor; a first non-magnetic and non-conductive material disposed on the outer periphery of the curved soft magnet; and a second non-magnetic and non-conductive material disposed on an inner periphery of the curved soft magnet.

A synchronous electric machine with reluctance assisted by permanent magnets is described, comprising a rotor comprising: a lamellar pack fastened on a rotation shaft and comprising identical sheets, each comprising first axial recesses and permanent magnets, and second axial recesses to form flow barriers; a stator with a first, internal stator part comprising longitudinal teeth; a second, external annular stator part, with seats complementary with the teeth in order to form the closed slots and the stator; a continuous winding with a strap, configured to be wound on the first, internal stator part; a process for making such synchronous electric machine is further described.

The invention relates to a rotary electric machine with liquid cooling, comprising a rotor with permanent magnets and a wound stator, the rotor comprising: (i) at least one rotor sheet stack, (ii) magnets housed in the sheet stack, and (iii) front and rear flanges adjacent to the sheet stack, the machine being configured to enable a cross-flow of the cooling liquid within the rotor sheet stack.

A rotor (2) for an electric machine (1) includes a rotor shaft (3) having at least one cooling duct (4), through which a coolant is flowable, and a laminated core (5) arranged on the rotor shaft (3). The laminated core (5) is arranged axially between a first end plate (6) and a second end plate (7) arranged on the rotor shaft (3). The laminated core (5) includes multiple axial ducts (8) for guiding the coolant through the rotor (2). The axial ducts (8) are fluidically connected to at least one distribution duct (9) in the particular end plate (6, 7) for the inflow of the coolant. The axial ducts (8) are fluidically connected to at least one return duct (16) in the particular other end plate (7, 6) for the outflow of the coolant. The at least one distribution duct (9) in the particular end plate (6, 7) is fluidically connected to the at least one cooling duct (4) at the rotor shaft (3).

An driving motor with hybrid excitation of electromagnetism and invisible magnetic pole, wherein each magnetic pole comprises two first magnets, one second magnet and one third magnet; wherein the first magnet is placed along a diameter direction of a rotor core, the second magnet is located at a middle and lower portion of two first magnets of each magnetic pole corresponding to the second magnet at a diameter direction, and a magnetic isolation groove is disposed at an inner end of the first magnet and extends toward two sides of the inner end of the first magnet. The magnetic isolated air gap can adjust a spatial distribution of a magnetic field generated by permanent magnets of each pole to replace the permanent magnets, so as to save the number of the permanent magnets, reduce the weight of the motor, and reduce the cost of the motor.

A method for producing a component provided with at least one structural element, in particular a component for an electrical machine, wherein the structural element(s) is fixed in a recess of a carrier body by a fixing material introduced in an injection moulding process, wherein the following method steps are provided: providing a carrier body provided with at least one recess, arranging the structural element(s) at least partially, in particular completely, within a first recess portion arranged in the recess of the carrier body, arranging at least one filler means in a second recess portion of the recess of the carrier body, injecting a fixing material, in particular consisting of plastic, into the first recess portion of the recess of the carrier body in the course of an injection moulding process, wherein the fixing material fixes the at least one structural element(s) within the recess.

A rotor includes a rotor core having magnet-receiving holes formed therein, permanent magnets embedded respectively in the magnet-receiving holes of the rotor core, and an annular end magnet. The rotor is configured to generate both magnet torque by the permanent magnets and reluctance torque by outer core portions located on a radially outer side of the permanent magnets in the rotor core. The end magnet is provided at a position facing axial end faces of the outer core portions. Magnetic poles of the end magnet are arranged so as to respectively repel the outer core portions.

A rotor includes a rotor core having magnet-receiving holes formed therein, and permanent magnets embedded respectively in the magnet-receiving holes of the rotor core. Each of the permanent magnets has a folded shape that is convex radially inward. The rotor is configured to generate both magnet torque by the permanent magnets and reluctance torque by outer core portions located on a radially outer side of the permanent magnets in the rotor core. Each of radially-outer end portions of the magnet-receiving holes has a curved shape such that the distance between the radially-outer end portion and a radially outer periphery of the rotor core is shortened at a center of the radially-outer end portion in a circumferential direction of the rotor.

The present invention relates to a fault-tolerant modular permanent magnet assisted synchronous reluctance motor (PMaSynRM) and provides a modular winding connection method. The modular winding connection is to change the positions of inlet and outlet coils based on the slot electrical potential star vectogram. Then, each module has a separate set of winding and the left and right relative distribution will be adopted on the winding connection. The invention has the advantages of modularization in structure, high independence between the modules, effectively avoiding overlapping of magnetic lines between the modules, and improving fault tolerance and reliability of the motor. The invention has the advantages of modularization in structure, high independence between the modules, magnetic decoupling between the modules, and improvement of fault tolerance and reliability of the motor.