The disclosure relates to an electric machine including a stator having a plurality of teeth and on which a winding of the electric machine is arranged, wherein a respective intermediate space is formed between neighboring teeth. The electric machine further includes a rotor that may rotate relative to the stator, wherein an air gap is formed between the stator and the rotor. The electric machine further includes a plurality of closing devices for closing the respective intermediate spaces in relation to the air gap, and wherein a respective closing device of the plurality of closing devices is arranged between neighboring teeth of the stator.

The innermost first segment layer and the second segment layer adjacent thereto in a radial direction are twisted using a twisting jig unit including an inner twisting jig and an outer twisting jig, then the twisting jig unit is replaced with another twisting jig unit including an inner twisting jig and an outer twisting jig, and the third segment layer and the fourth segment layer adjacent thereto are twisted, and then the twisting jig unit is replaced with still another twisting jig unit including an inner twisting jig and an outer twisting jig, and the fifth segment layer and the sixth segment layer adjacent thereto are twisted.

The innermost first segment layer and the second segment layer adjacent thereto in a radial direction are twisted using a twisting jig unit including an inner twisting jig and an outer twisting jig, then the twisting jig unit is replaced with another twisting jig unit including an inner twisting jig and an outer twisting jig, and the third segment layer and the fourth segment layer adjacent thereto are twisted, and then the twisting jig unit is replaced with still another twisting jig unit including an inner twisting jig and an outer twisting jig, and the fifth segment layer and the sixth segment layer adjacent thereto are twisted.

A motor winding includes a wire defining a rectangular cross-section and wound in a continuous direction about a coil axis to form a continuous coil including: a first coil segment spiraling in a first plane, defining a first external terminal, and defining a first interior end inset from the first external terminal and arranged on a first side of a coil axis; a second coil segment spiraling in a second plane parallel and offset from the first plane, defining a second exterior terminal parallel to the first external terminal, and defining a second interior end inset from the second exterior coil end and arranged on a second side of the coil axis opposite the first interior end; and a junction extending between the first plane and the second plane to couple the first interior end of the first coil segment to the second interior end of the second coil segment.

A motor winding includes a wire defining a rectangular cross-section and wound in a continuous direction about a coil axis to form a continuous coil including: a first coil segment spiraling in a first plane, defining a first external terminal, and defining a first interior end inset from the first external terminal and arranged on a first side of a coil axis; a second coil segment spiraling in a second plane parallel and offset from the first plane, defining a second exterior terminal parallel to the first external terminal, and defining a second interior end inset from the second exterior coil end and arranged on a second side of the coil axis opposite the first interior end; and a junction extending between the first plane and the second plane to couple the first interior end of the first coil segment to the second interior end of the second coil segment.

The present description relates to an insulation cover of a resolver and a method for winding a coil of the insulation cover, which has a slack part formed on a coil by: a slit part formed on a body part so as to correspond to a terminal pin when winding the coil on the terminal pin of a terminal part formed at one side of the insulation cover; and a winding guide part protrudingly formed on a winder so as to correspond to the slit part such that the coil is inserted into or withdrawn from the slit part, relieves the tension, applied to the coil, by the slack part so as to minimize a break in the coil according to the thermal deformation or the deterioration of the coil, has a compact structure, is easily manufactured and reduces manufacturing costs.

The present description relates to an insulation cover of a resolver and a method for winding a coil of the insulation cover, which has a slack part formed on a coil by: a slit part formed on a body part so as to correspond to a terminal pin when winding the coil on the terminal pin of a terminal part formed at one side of the insulation cover; and a winding guide part protrudingly formed on a winder so as to correspond to the slit part such that the coil is inserted into or withdrawn from the slit part, relieves the tension, applied to the coil, by the slack part so as to minimize a break in the coil according to the thermal deformation or the deterioration of the coil, has a compact structure, is easily manufactured and reduces manufacturing costs.

Disclosed are various embodiments for a motor/generator where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel, and where the magnetic toroidal cylindrical tunnel comprises magnets having a NNSS or SSNN pole configuration.

Disclosed are various embodiments for a motor/generator where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel, and where the magnetic toroidal cylindrical tunnel comprises magnets having a NNSS or SSNN pole configuration.

To reduce the time for producing slot insulators, a method for producing slot insulators for winding slots of a component of an electrical machine, includes supplying a strip of insulating material, cutting off an insulator strip portion from the strip, molding the insulator strip portion for adjustment to the mold of the winding slot, and inserting the molded insulator strip portion into the winding slot, wherein at least the molding and inserting steps are carried out in parallel for at least two insulator strip portions to be inserted into different winding slots. Moreover, a device for carrying out the method is described.