Hybrid surface magnet machine
A hybrid electrical machine containing surface mounted magnets which includes a magnetically permeable cylindrically shaped stator assembly having at least one stator winding formed about a plurality of stator teeth, a rotor assembly concentrically disposed within the stator assembly, including a magnetically permeable rotor backiron, a rotational drive mechanism coupled to the rotor backiron, and a plurality of protruding rotor poles, each including a magnetically permeable pole support assembly, a winding provided around the pole support assembly, and a radially magnetized permanent magnet assembly disposed about the pole support assembly.
1. A machine comprising:
a rotor assembly, the rotor assembly comprising
a rotor backiron; and
a plurality of pole assemblies, wherein each pole assembly of the plurality of pole assembly comprises:
a plurality of pole bodies;
a winding provided around the plurality of pole assemblies, and
a magnet assembly disposed between the each pole body of the plurality of pole bodies,
wherein the each pole body is an L-shaped pole body, and
wherein the magnet assembly comprises a permanent magnet, wherein the permanent magnet is not in physical contact with the L-shaped pole body, wherein an entirety of a sidewall of the permanent magnet is equidistant from an entirety of a sidewall of the each pole body.
2. The machine of claim 1 , further comprising a spacer between each permanent magnet of the plurality of permanent magnets and the each L-shaped pole body.
3. The machine of claim 1 , wherein the rotor backiron is in a shape of a cylindrical body.
4. A machine comprising:
a rotor assembly concentrically disposed within a stator assembly, the rotor assembly comprising
a drive mechanism coupled to a rotor backiron, and
a plurality of pole assemblies, wherein each pole assembly of the plurality of pole assemblies comprises:
a plurality of pole bodies;
a winding provided around the plurality of pole assemblies, and
a magnet assembly disposed between the each pole body of the plurality of pole bodies,
wherein the each pole body is a L-shaped pole body, and
wherein the magnet assembly comprises a permanent magnet, wherein the permanent magnet is physically disjointed from the L-shaped pole body, wherein an entirety of a sidewall of the permanent magnet is equidistant from an entirety of a sidewall of the each pole body.
5. The machine of claim 4 , further comprising a spacer between each permanent magnet of the plurality of permanent magnets and the each L-shaped pole body.
6. The machine of claim 4 , wherein the drive mechanism is configured to rotate in association with the rotor backiron.
7. The machine of claim 4 , wherein the rotor backiron is in a shape of a cylindrical body.
8. A machine comprising:
a rotor assembly disposed within a stator assembly, wherein the rotor assembly comprises:
a rotational drive mechanism coupled to a rotor backiron, and
a plurality of pole assemblies, wherein each pole assembly of the plurality of pole assemblies comprises:
a plurality of pole bodies, wherein each pole body of the plurality of pole bodies comprises a pole shoe; and
a magnet, wherein the magnet is between the each pole body of the plurality of pole bodies, wherein an entirety of a sidewall of the permanent magnet is equidistant from an entirety of a sidewall of the each pole body.
9. The machine of claim 8 , further comprising a spacer between the magnet and a sidewall of the each pole body.
10. The machine of claim 8 , wherein the drive mechanism is configured to rotate in association with the rotor backiron.
11. The machine of claim 8 , wherein the rotor backiron is in a shape of a cylindrical body.
12. The machine of claim 8 , further comprising a winding around the plurality of pole assemblies.