Abstract: A stator includes a stator core, and a coil mounted on the stator core and having an insulating film, at least a part of the insulating film being coated with a protective paint, wherein the insulating film has a vacancy, and the vacancy is formed by a hollow capsule. In addition, the protective paint has a powder, and an internal form of the vacancy is smaller than an external form of the powder.

Abstract: A stator includes a stator core, and a coil mounted on the stator core and having an insulating film, at least a part of the insulating film being coated with a protective paint, wherein a concave section is formed in a surface of the insulating film, and the protective paint is present in the concave section. The insulating film has hollow capsules formed therein.

Abstract: A stator includes an annular stator core, and a coil formed of a plurality of electric wires having a conductor and an insulating film covering the conductor, and having a conductor exposed portion which protrudes in an axial direction of the stator core and in which the conductor is exposed at an end portion of each of the electric wires, and a coupling portion in which a distal end of the conductor exposed portion in one electric wire and a distal end of the conductor exposed portion in another electric wire are coupled. The conductor exposed portion of the electric wire is formed as a curved portion that is curved as a whole.

Abstract: A stator includes an annular stator core, and a coil constituted by a plurality of electric wires and having a coil end protruding in an axial direction of the stator core, wherein the electric wire includes a conductor, and an insulating film that is configured to cover the conductor and that includes a porous having porous therein, and a non-porous film with no porous formed therein, and a non-porous film formed with no porous therein, a first coil end, which protrudes toward a first side in the axial direction as an end portion of the electric wire is disposed, is formed on the first side in the axial direction with respect to the stator core, and the porous film is provided on the first coil end.

Abstract: An electric wire includes a conductor, and an insulating film that is configured to cover the conductor and that includes a porous layer having porous in an insulating material, and a non-porous layer formed with the insulating material while having no porous therein.

Abstract: An electric wire includes a conductor, and an insulating film that is configured to cover the conductor and that includes a porous layer having a porous therein, and a non-porous layer in which no porous is formed, wherein the non-porous layer is disposed as an outermost layer of the insulating film.

Abstract: A stator includes a stator core, and a coil mounted on the stator core and having an insulating film, at least a part of the insulating film being coated with a protective paint, wherein the insulating film has a vacancy, and the vacancy is formed by a hollow capsule. In addition, the protective paint has a powder, and an internal form of the vacancy is smaller than an external form of the powder.

Abstract: A stator includes a stator core, and a coil mounted on the stator core and having an insulating film, at least a part of the insulating film being coated with a protective paint, wherein a concave section is formed in a surface of the insulating film, and the protective paint is present in the concave section. The insulating film has hollow capsules formed therein.

Abstract: An electric wire segment includes a pair of electric wires, the respective electric wires being arranged in a first direction and having an exposed conductor section in which a conductive material is exposed by having an insulating film peeled off at an end portion thereof, and the exposed conductor sections of the respective electric wires being disposed at positions corresponding to each other, and a coupling section in which the pair of electric wires are coupled to each other at the exposed conductor sections thereof, wherein a peeling amount of the insulating films on facing sides of the exposed conductor sections in which the pair of electric wires face each other is larger than a peeling amount of the insulating films on outward sides of the exposed conductor sections which is opposite to the facing sides in the first direction.

Abstract: A stator for a rotary electric machine gives higher visibility to foreign matter attached to a surface of an insulating film. The stator includes: a stator core that has multiple slots; and a stator coil that is wound around the stator core via the slots, wherein the stator coil includes multiple coil segment groups that are coupled with each other, and each of the coil segment groups has at least two rectangular wires, each having a porous film as an insulating member, wherein at least two of the rectangular wires have corresponding surfaces, facing perpendicular to a row direction thereof, arranged parallel to one another, and the porous film is formed to have pores in an insulating material with a porosity ratio of 17% or more but no more than 35%.

Abstract: A stator includes a stator core provided with a slot, and a conductive wire disposed in the slot. The conductive wire has a rectangular conductor, and a coating film coated on a surface of the rectangular conductor, a varnish configured to fix a surface of the coating film and an inner surface of the slot is filled between the surface of the coating film and the inner surface of the slot, and the surface of the coating is provided with a recessed part-forming region in which a recessed part into which the varnish enters is formed.