Electric motor of axial magnetic flux, this electric motor contains at least: a stator crown that defines one contact surface, several magnets (3, 3', 3", 3"') associated with the contact surface of the stator crown, wherein this electric motor also includes a rotor crown that has several passing openings (8, 80, 8', 80', 8" and 80"), and this electric motor also contains several teeth (4, 40, 4', 40', 4", 40") individually positioned in each of the passing openings (8, 80, 8', 80', 8" and 80") and each one has at least one of its surfaces (21, 22, 23, 24, 25, 26) electrically associated with at least one copper coil (5, 50, 5', 50', 5", 50"), wherein said several teeth (4, 40, 4', 40', 4", 40") are shaped to fit the passing opening (8, 80, 8', 80', 8" and 80"), wherein the rotor crown is formed by several separate sectors (7, 70, 7', 70', 7", 70") shaped as segments of a circle, wherein each sector (7, 70, 7', 70', 7", 70") is provided with one of said passing openings (8, 80, 8', 80', 8" and 80"), wherein each tooth (4, 40, 4', 40', 4", 40") has a body extending into one of said passing openings (8, 80, 8', 80', 8" and 80") of said sectors (7, 70, 7', 70', 7", 70"), wherein each sector (7, 70, 7', 70', 7", 70") is shaped in such a manner as to fit properly to one of the copper coils (5, 50, 5', 50', 5", 50"), wherein each tooth (4, 40, 4', 40', 4", 40") extends with its body through one of said copper coils (5, 50, 5', 50', 5", 50") into one of said passing openings (8, 80, 8', 80', 8" and 80") of said sectors (7, 70, 7', 70', 7", 70"), wherein the body of each tooth (4, 40, 4', 40', 4", 40") defines a first surface and a second surface, in such a manner that at least one of the first and second surfaces (21, 22) faces several of the magnets (3, 3', 3" and 3"'), wherein the body also defines a height and has a first and second flat surface (23, 24) that are concurrent to one another, wherein each of the first and the second flat surfaces (23, 24) extend radially and axially, and are joined by a first radially inner curved face and a second radially outer curved face substantially positioned on opposite sides, wherein at the body of each tooth (4, 40, 4', 40', 4", 40") the radially inner curved face and the radially outer curved face are concave towards a rotational axis of the electric motor, wherein each copper coil (5, 50, 5', 50', 5", 50") is shaped as a segment of a circle and comprises analogous to the respective tooth (4, 40, 4', 40', 4", 40") a radially inner curved face and a radially outer curved face both being concave towards said rotational axis of the electric motor. a stator crown that defines one contact surface, several magnets (3, 3', 3", 3"') associated with the contact surface of the stator crown, wherein this electric motor also includes a rotor crown that has several passing openings (8, 80, 8', 80', 8" and 80"), and this electric motor also contains several teeth (4, 40, 4', 40', 4", 40") individually positioned in each of the passing openings (8, 80, 8', 80', 8" and 80") and each one has at least one of its surfaces (21, 22, 23, 24, 25, 26) electrically associated with at least one copper coil (5, 50, 5', 50', 5", 50"), wherein said several teeth (4, 40, 4', 40', 4", 40") are shaped to fit the passing opening (8, 80, 8', 80', 8" and 80"), wherein the rotor crown is formed by several separate sectors (7, 70, 7', 70', 7", 70") shaped as segments of a circle, wherein each sector (7, 70, 7', 70', 7", 70") is provided with one of said passing openings (8, 80, 8', 80', 8" and 80"), wherein each tooth (4, 40, 4', 40', 4", 40") has a body extending into one of said passing openings (8, 80, 8', 80', 8" and 80") of said sectors (7, 70, 7', 70', 7", 70"), wherein each sector (7, 70, 7', 70', 7", 70") is shaped in such a manner as to fit properly to one of the copper coils (5, 50, 5', 50', 5", 50"), each tooth (4, 40, 4', 40', 4", 40") extends with its body through one of said copper coils (5, 50, 5', 50', 5", 50") into one of said passing openings (8, 80, 8', 80', 8" and 80") of said sectors (7, 70, 7', 70', 7", 70"), wherein the body of each tooth (4, 40, 4', 40', 4", 40") defines a first surface and a second surface, in such a manner that at least one of the first and second surfaces (21, 22) faces several of the magnets (3, 3', 3" and 3"'), wherein the body also defines a height and has a first and second flat surface (23, 24) that are concurrent to one another, wherein each of the first and the second flat surfaces (23, 24) extend radially and axially, and are joined by a first radially inner curved face and a second radially outer curved face substantially positioned on opposite sides, wherein at the body of each tooth (4, 40, 4', 40', 4", 40") the radially inner curved face and the radially outer curved face are concave towards a rotational axis of the electric motor, wherein each copper coil (5, 50, 5', 50', 5", 50") is shaped as a segment of a circle and comprises analogous to the respective tooth (4, 40, 4', 40', 4", 40") a radially inner curved face and a radially outer curved face both being concave towards said rotational axis of the electric motor.