Electric rotating machine and electromagnetic machine and apparatus
View Patent ↗To simplify a winding structure of a stator and a rotor of an alternating current electric machine, in a winding a magnetic field formation of a magnetic pole portion is formed with a bobbin structure. In a structural aspect, an eddy current is lessened in an alternating magnetic field. An iron core is formed with a module work and has a reduced metal die cost and it correspond to an alternation in pole number and an iron core having different capacity.
1. An electric rotating machine comprising:
a bobbin winding iron core formed with a plurality of subdivided iron cores, wherein to make smoothly a flow of magnetic field of mutual poles, said iron cores are arranged in a radial direction along a perimeter of the bobbin winding iron core and are combined with connection iron cores to form plural combinations of coils and said iron cores, in which each combination has a same structure and same function, and wherein the plural combinations form at least substantially the same phase electrically; and
wherein said iron cores along the perimeter each have a substantially C cross-sectional shape with a concave opening of the C cross-section shape facing in an axial direction of the electric rotating machine.
2. An electric rotating machine according to claim 1 , wherein each of the iron cores has the same shape.
3. An electric rotating machine according to claim 1 , wherein each of the connection iron cores has the same shape.
4. An electric rotating machine according to claim 1 , wherein the iron cores are laminated cores.
5. An electric rotating machine according to claim 1 , wherein the connection iron cores are laminated cores.
6. An electric rotating machine according to claim 1 , wherein each of the connection iron cores respectively forms a wall abutted against the concave opening of the corresponding iron core.
7. An electric rotating machine according to claim 1 , wherein ones of the connection iron cores each have a substantially annular sector shape.
8. An electric rotating machine according to claim 7 , wherein the substantially annular sector shape includes a cut-out on one arc side thereof.
9. An electric rotating machine according to claim 8 , wherein a middle portion of a given connection iron core abuts against one end of the C cross-sectional shape of a given iron core, and an opposite end of the C cross-sectional shape of the given iron core extends into the cut-out of the given connection iron core.
10. An electric rotating machine according to claim 9 , wherein ends of the given connection iron core abut against neighboring ones of the iron cores of the bobbin winding iron core.
11. An electric rotating machine according to claim 1 ,wherein ones of the iron cores of a given bobbin winding iron core have the concave opening of the C cross-sectional shape facing in a first axial direction of the electric rotating machine, and wherein other ones of the iron cores of the given bobbin winding iron core have the concave opening of the C cross-sectional shape facing in an opposite axial direction of the electric rotating machine.
12. A bobbin winding iron core comprising:
a plurality of subdivided iron cores, wherein to make smoothly a flow of magnetic field of mutual poles, said iron cores are arranged in a radial direction along a perimeter of the bobbin winding iron core and are combined with connection iron cores; and
wherein said iron cores along the perimeter each have a substantially C cross-sectional shape with a concave opening of the C cross-sectional shape facing in an axial direction defined by a central axis of bobbin winding iron core.
13. A bobbin winding iron core according to claim 12 , wherein each of the iron cores has the same shape.
14. A bobbin winding iron core according to claim 12 , wherein each of the connection iron cores has the same shape.
15. A bobbin winding iron core according to claim 12 , herein the iron cores are laminated cores.
16. A bobbin winding iron core according to claim 12 , wherein the connection iron cores are laminated cores.
17. A bobbin winding iron core according to claim 12 , wherein each of the connection iron cores respectively forms a wall abutted against the concave opening of the corresponding iron core.
18. A bobbin winding iron core according to claim 12 , wherein ones of the connection iron cores each have a substantially annular sector shape.
19. A bobbin winding iron core according to claim 18 , wherein the substantially annular sector shape includes a cut-out on one arc side thereof.
20. A bobbin winding iron core according to claim 19 , wherein a middle portion of a given connection iron core abuts against one end of the C cross-sectional shape of a given iron core, and an opposite end of the C cross-sectional shape of the given iron core extends into the cut-out of the given connection iron core.
21. A bobbin winding iron core according to claim 20 , wherein ends of the given connection iron core abut against neighboring ones of the iron cores of the bobbin winding iron core.
22. A bobbin winding iron core according to claim 12 , wherein ones of the iron cores of a given bobbin winding iron core have the concave opening of the C cross-sectional shape facing in a first axial direction of the electric rotating machine, and wherein other ones of the iron cores of the given bobbin winding iron core have the concave opening of the C cross-sectional shape facing in an opposite axial direction of the electric rotating machine.
23. An electric rotating machine comprising:
a bobbin winding iron core including a plurality of subdivided iron cores, wherein to make smoothly a flow of magnetic field of mutual poles, said iron cores are arranged in a radial direction along a perimeter of the bobbin winding iron core and are combined with connection iron cores; and
wherein said iron cores along the perimeter each have a substantially C cross-sectional shape with a concave opening of the C cross-sectional shape facing in an axial direction defined by a central axis of bobbin winding iron core.