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This invention relates to an electric multiple motor/generator with axial magnetic flux. Thus a generator/motor or electrical machine in which a magnetic flux path through one or more pole legs or pole cores surrounded by current windings or coils is provided. This allows a high density of the magne

This invention relates to an electric multiple motor/generator with axial magnetic flux. Thus a generator/motor or electrical machine in which a magnetic flux path through one or more pole legs or pole cores surrounded by current windings or coils is provided. This allows a high density of the magnetic flux to be passed through the pole legs or cores, which results in a low consumption of material for the pole legs or pole cores compared with prior art machines, where for example a large stator diameter may be needed in order to conduct a high magnetic flux. Additionally the generator/motor or electrical machine is very efficient both at a low and a high number of revolutions. According to another aspect of the invention a multiple phase output without enlarging the diameter of the generator is provided.

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1. A electrical machine comprising:a rotor secured to a shaft with an axis of rotation, said rotor comprising a plurality of magnets or means for producing a magnetic field, a stator with air gaps formed between the rotor and the stator, said stator comprising a plurality of separate pole cores havi

1. A electrical machine comprising:a rotor secured to a shaft with an axis of rotation, said rotor comprising a plurality of magnets or means for producing a magnetic field, a stator with air gaps formed between the rotor and the stator, said stator comprising a plurality of separate pole cores having corresponding separate coils or set of windings wound on and surrounding said pole cores, said pole cores being arranged so that at least a portion of one or more of the pole cores is arranged at an angle to the axis of rotation, said angle being equal to or greater than 0 degrees and below 90 degrees, and said pole cores providing part(s) of ore or more magnetic flux paths, wherein a magnetic flux path includes two and only two pole cores and two and only two air gaps. 2. An electrical machine according to claim 1, wherein the plurality of magnets or means for producing a magnetic field are arranged in pairs having poles of similar polarity facing each other.3. An electrical machine according to claim 1, wherein each separate pole core has a corresponding separate coil or set of windings.4. An electrical machine according to claim 1, wherein the rotor is arranged so that at least part of the rotor is substantially perpendicular to the axis of rotation.5. An electrical machine according to claim 1, wherein the angle is equal to or below 45 degrees.6. An electrical machine according to claim 1, wherein the angle is equal to or below 30 degrees.7. An electrical machine according to claim 1, wherein at least a portion of one or more of the pole cores is substantially parallel to the axis of rotation.8. An electrical machine according to claim 7, wherein one or more windings or coils have their axis substantially parallel to the axis of rotation.9. An electrical machine according to claim 1, wherein one or more pole cores have a portion arranged substantially perpendicular to the axis of rotation of the shaft.10. An electrical machine according to claim 9, wherein one or more windings or coils have their axis substantially perpendicular to the axis of rotation.11. An electrical machine according to claim 1, wherein the rotor is circular.12. An electrical machine according to claim 1, wherein the stator further comprises a magnetic conductive end plate connected to said pole legs or cores.13. An electrical machine according to claim 12, wherein the end plate is arranged substantially parallel and opposite to the rotor.14. An electrical machine according to claim 1, wherein the number of pole cores equals the number of magnets or means for producing a magnetic field.15. An electrical machine according to claim 1, wherein the magnets or means for producing a magnetic field are located radially and equidistantly in the rotor.16. An electrical machine according to claim 15, wherein pole shoes are arranged between the magnets or means for producing a magnetic field.17. An electrical machine according to claim 16, wherein the width of a pole shoe at the outer periphery of the rotor is substantially equal to the width of a pole core oppositely arranged in the stator.18. An electrical machine according to claim 1, wherein the magnets or means for producing a magnetic field are located on one side of the rotor facing ends of the pole cores.19. An electrical machine according to claim 1, wherein the magnets or means for producing a magnetic field are located on the outer periphery of the rotor.20. An electrical machine according to claim 1, wherein magnets or means for producing a magnetic field are arranged on the rotor to fit substantially into a V-shape.21. An electrical machine according to claim 20, wherein the magnets or the means for producing a magnetic field are arranged in pairs to obtain said V-shape.22. An electrical machine according to claim 20, wherein the magnets or means for producing a magnetic field are arranged on the rotor to fit substantially into two or more V-shapes.23. An electrical machine according to claim 22, wherein each V-shape comprises a pair of magnets or means for producing a magnetic field.24. An electrical machine according to claim 1, wherein the machine is a synchronous one phase machine.25. A multiphase machine, wherein a number of phases is obtained by arranging a corresponding number of one phase machines according to claim 24.26. An electrical machine according to claim 1, wherein the magnets or means for producing a magnetic field are permanent magnets.27. An electrical machine according to claim 1, wherein the magnets or means for producing a magnetic field am electromagnets.28. An electrical machine according to claim 1, wherein a winding or coil is formed by a flat concentrated coil.29. An electrical machine according to claim 1, wherein the pole cores are assembled of a magnetic conducting material.30. An electrical machine according to claim 29, wherein the magnetic conducting material is a field oriented soft magnetic lamination.31. An electrical machine according claim 1, wherein the machine is a generator which may be provided with a mechanical force/power via said shaft to generate an electrical power via said windings.32. An electrical machine according to claim 31, wherein said machine is used in a wind turbine.33. An electrical machine according to claim 1, wherein the pole cores are formed by U-shaped elements, said elements being arranged in the stator so that one pole core is formed by two adjacent legs of two U-shaped elements.34. An electrical machine according to claim 33, wherein a magnetic flux path is going through two pole cores and having its path in both legs of one U-shaped pole core element.35. An electrical machine according to claim 1, wherein the pole cores are made of a magnetic conducting material, and wherein the pole cores are arranged on a stator plate made of a material having a low magnetic conductivity.36. An electrical machine according claim 1, wherein the width of a pole core is substantially equal to the distance between two successive pole cores.37. An electrical machine according to claim 1, wherein a first stator is arranged opposite to and facing a first side of the rotor, and a second stator is arranged opposite to and facing the other side of the rotor.38. An electrical machine comprising:a rotor secured to a shaft with an axis of rotation, said rotor comprising a plurality of magnets or means for producing a magnetic field, a stator with air gaps formed between the rotor and the stator, said stator comprising a plurality of separate pole cores having corresponding separate coils or set of windings wound on and surrounding said pole cores, said pole cores being arranged so that at least a portion or one or more of the pole cores is arranged at an angle to the axis of rotation, said angle being equal to or greater than 0 degrees and below 90 degrees, and said pole cores providing part(s) of one or more magnetic flux paths, wherein the plurality of magnets or means for producing a magnetic field are arranged in pairs having poles of similar polarity facing each other. 39. An electrical machine according to claim 38, wherein a magnetic flux path includes flux pats through two pole cores.40. An electrical machine according to claim 39, wherein a magnetic flux path includes two and only two pole cores and two and only two air gaps.