A vehicle electric motor including: a tubular-shaped stator core constituted by electromagnetic steel sheets that are laminated on each other; a rotor disposed inside the stator core so as to be rotated about an axis; and a housing storing therein the tubular-shaped stator core and the rotor, and including a circumferential wall and axially opposite end walls that are opposed to each other in a direction parallel with the axis. The stator core is fixed at one of its axially end portions to one of the axially opposite end walls of the housing. The housing includes a stator-core-inclination restraining portion that protrudes from an inner circumferential surface of the circumferential wall of the housing toward a part of an outer circumferential surface of the stator core, wherein the part is located on a side of the other of the axially end portions of the stator core.

A guiding device is for the winding of electrically conductive wires about a plurality of poles of a rotor of an electric machine that are distributed about a shaft extending axially in the rotor. The device includes a guide head that is able to be mounted on the shaft. The guide head includes a metallic basic structure provided with a plurality of arms that extend radially from an inner part of the metallic basic structure provided with a central orifice, and a plastics structure overmoulded on the metallic basic structure, in a set-back manner with respect to an internal cylindrical surface of the central orifice, such that the internal cylindrical surface of the central orifice of the metallic basic structure is designed to be in direct contact with the shaft of the rotor for mounting on the shaft of the rotor with an interference fit.

The present disclosure relates to armature assemblies for assembling a permanent magnet electrical machine and to methods for assembling a permanent magnet electrical machine. An armature assembly comprises an armature with a plurality of coils. The armature assembly further comprises a power source and a control system configured to selectively feed the plurality of coils when one of a field comprising one or more permanent magnets and the armature approaches the other of the field and the armature during an assembly of a permanent magnet electrical machine. A permanent magnet electrical machine may be a permanent magnet generator for a wind turbine, and in particular for a direct-drive wind turbine.

The present disclosure relates to armature assemblies for assembling a permanent magnet electrical machine and to methods for assembling a permanent magnet electrical machine. An armature assembly comprises an armature with a plurality of coils. The armature assembly further comprises a power source and a control system configured to selectively feed the plurality of coils when one of a field comprising one or more permanent magnets and the armature approaches the other of the field and the armature during an assembly of a permanent magnet electrical machine. A permanent magnet electrical machine may be a permanent magnet generator for a wind turbine, and in particular for a direct-drive wind turbine.

An assembly method and a fixing device for an electric motor are provided. The assembly method includes: carrying out preparation, wherein a stator of the electric motor is segmented, in the circumferential direction, into at least two stator segments, and a rotor of the electric motor is segmented, in the circumferential direction, into at least two rotor segments; carrying out pre-assembly, wherein the stator segments and the rotor segments are coaxially fixed to fixing devices to form segment modules, and predetermined gaps are maintained radially between the stator segments and the rotor segments; carrying out adjustment, wherein at least two fixing devices are moved and adjusted such that the stator segment and the rotor segment of the adjacent segment modules are mutually attached and aligned with each other along segmental end faces in the circumferential direction; carrying out assembly; and carrying out dismounting, and dismounting the fixing devices.

An assembly method and a fixing device for an electric motor are provided. The assembly method includes: carrying out preparation, wherein a stator of the electric motor is segmented, in the circumferential direction, into at least two stator segments, and a rotor of the electric motor is segmented, in the circumferential direction, into at least two rotor segments; carrying out pre-assembly, wherein the stator segments and the rotor segments are coaxially fixed to fixing devices to form segment modules, and predetermined gaps are maintained radially between the stator segments and the rotor segments; carrying out adjustment, wherein at least two fixing devices are moved and adjusted such that the stator segment and the rotor segment of the adjacent segment modules are mutually attached and aligned with each other along segmental end faces in the circumferential direction; carrying out assembly; and carrying out dismounting, and dismounting the fixing devices.

The present invention relates to an assembly of a first component (1) and a second component (2) of a wind turbine, the assembly comprises, a paired eccentric cam adjuster (10) adapted for a connection of the first component and the second component of a wind turbine, said components (1,2) each having at least one hole (3,4), the adjuster comprising, a first and second eccentric cam adjuster (7,8), both comprising, a tube (101) with an outer surface and an inner bore (103), with a first central longitudinal axis (321) of the outer surface having an offset (320) from a second central longitudinal axis (322) of the inner bore and a flange (102) arranged at one end of the tube, said cam adjusters (7,8) arranged to be inserted into said holes, and a bolt (5) and a nut (6) arranged to be inserted in the inner bores.

A method for manufacturing a rotor for an electric machine with a contactless power transmission system, wherein an end winding cover is arranged on one end face of a laminated core of the rotor. The invention provides that a secondary unit (SEC) of the power transmission system is integrated in the end winding cover and, as a result, after the end winding cover has been arranged, the secondary unit (SEC) is held on the rotor indirectly via the end winding cover.

An EC motor is provided having a stator, in which an armature is rotatably supported, the armature including an armature shaft, on which an armature core having a plurality of permanent magnets is held, the armature core being electrically insulated against the armature shaft with the aid of a casting compound, and a balance ring being provided on at least one axial end of the armature core, which is accommodated on the armature shaft by a central recess, a gap between the armature shaft and the central recess of the balance ring being filled with casting compound, and the permanent magnets being held in pockets of the armature core by casting compound.

Proposed is an air gap adjustment apparatus. The apparatus is for enabling an air gap between the inner surface of a stator and the outer surface of a rotor, which are installed in an inner space of a housing, to be uniform overall. A plurality of fastening holes are formed so as to surround a shaft through hole of an end plate constituting the housing. A fastener, which has passed through a bearing housing of a bearing, is fastened to each fastening hole so as to mount the bearing to the end plate. An adjusting member body of an adjusting member, which has passed through the bearing housing, is positioned in an adjusting member seating part which is formed at the entrance of each fastening hole. The adjusting member rotates about the adjusting member body so that a head part may adjust the position of the bearing.