Rotary electric motor having concentric annular members
AssigneeWavecrest Laboratories, LLC
InventorsBoris Maslov, Alexander Pyntikov
Life of this patent
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Abstract
A rotary electric motor in which rotor and stator members are each configured as annular rings, concentric with respect to each other, about an axis of rotation. Either of the rotor or stator members is formed of groups of electromagnet poles, the groups substantially equidistantly distributed along the angular extent of the annular ring, each of the groups comprising magnetic material magnetically isolated and separated from the other groups. The other member comprises a plurality of permanent magnet poles substantially equidistantly distributed with alternating magnetic polarity along the angular extent of the radial air gap formed between the members, the permanent magnet poles having a common magnetic return path.
Claims21
A rotary electric motor comprising:
- a stator configured in the form of an annular ring of groups of electromagnet poles, the groups substantially equidistantly distributed along the angular extent of the annular ring, each of the groups comprising magnetic material magnetically isolated and separated from the other groups;
- and
- an annular rotor, concentric with an axis of rotation and concentric with the annular stator to form a radial air gap therebetween, comprising a plurality of permanent magnet poles substantially equidistantly distributed with alternating magnetic polarity along the angular extent of the air gap, the permanent magnet poles having a common magnetic return path;
- wherein each group of electromagnet poles comprises windings that are switchably energized for driving electromotive interaction between the stator and rotor.
A rotary electric motor having a stator and a rotor, the motor comprising:
- first and second annular ring members concentrically arranged about an axis of rotation and separated from each other by an axial air gap;
- wherein
- said first member comprises groups of electromagnet poles, the groups substantially equidistantly distributed along its annular ring, each of the groups comprising magnetic material magnetically isolated and separated from the other groups;
- said second member comprises a plurality of permanent magnet poles substantially equidistantly distributed with alternating magnetic polarity along the air gap, the permanent magnet poles having a common magnetic return path along its annular ring;
- and
- wherein each group of electromagnet poles comprises windings that are switchably energized for driving electromotive interaction between the first and second members in accordance with a preset sequential, non-sequential or random excitation scheme.
Dependencies are inferred from the claim text.