Claims
- 1. A dynamoelectric machine comprising a stator and a rotor, the stator comprising:
a plurality of core segments, each segment having wound thereon a total number of coils; wherein the total number of coils on a first one of the core segments differs from the total number of coils on a second one of the core segments.
- 2. A dynamoelectric machine as recited in claim 1, wherein the coils on the first core segment has a wire gauge that differs from the wire gauge of the coils on the second core segment.
- 3. A dynamoelectric machine as recited in claim 1, wherein the stator comprises at least three core segments; and
each of the core segments is configured in at least one pair of poles, the coils being wound thereon to form a phase winding; and each phase winding has a different total number of coils from each of the other phase windings.
- 4. A dynamoelectric machine as recited in claim 3, wherein each of the core segments comprises ferromagnetic material that is isolated from direct contact with any of the other core segments and the core segments are substantially uniformly spaced around an axis of rotation.
- 5. A dynamoelectric machine as recited in claim 3, wherein one of the phase windings comprises coils of a gauge different from the coil gauge of at least one of the other phase windings.
- 6. A dynamoelectric machine as recited in claim 5, wherein each phase winding comprises coils of a gauge different from the coil gauge of each of the other phase windings.
- 7. A dynamoelectric machine as recited in claim 6, wherein the gauge sizes of the phase windings are in inverse relationship with respect to the total numbers of coil turns of the phase windings.
- 8. A dynamoelectric machine as recited in claim 1, wherein the rotor comprises a plurality of permanent magnets.
- 9. A dynamoelectric machine comprising a stator and a rotor, the stator comprising:
at least three core segments comprising ferromagnetic material, the core segments substantially uniformly spaced around an axis of rotation and isolated from direct contact with each other, each core segment configured in at least one pair of poles having wound thereon a number of coils to form a phase winding; wherein a first one of the phase windings has a wire gauge that differs from the wire gauge of a second one of the phase windings.
- 10. A dynamoelectric machine as recited in claim 9, wherein each phase winding has a different wire gauge from the wire gauge of each of the other phase windings.
- 11. A dynamoelectric machine as recited in claim 9, wherein the number of coils of the first phase winding differs from the number of coils of the second phase winding.
- 12. A multiphase motor comprising a stator and a rotor, the stator comprising:
a plurality of ferromagnetic core segments, the core segments substantially uniformly spaced around an axis of rotation and isolated from direct contact with each other, each core segment configured in at least one pair of poles having coils wound thereon to form a phase winding, the phase winding having a topology characterized by the total number of coils and the wire gauge of the coils, at least two phase windings each having a topology different from each other.
- 13. A multiphase motor as recited in claim 12, wherein all of the phase windings have substantially the same total coil mass.
RELATED APPLICATIONS
[0001] This application contains subject matter related to copending U.S. application Ser. No. 09/826,423 of Maslov et al., filed Apr. 5, 2001, copending U.S. application Ser. No. 09/826,422 of Maslov et al., filed Apr. 5, 2001, copending U.S. application Ser. No. 10/173,610 of Maslov et al., filed Jun. 19, 2002, and U.S. application Ser. No. 10/290,505,of Maslov et al. filed Nov. 8, 2002, all commonly assigned with the present application. The disclosures of these applications are incorporated by reference herein.