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US 2018/0323664 A1Published application
Permanent magnet based electric machine having enhanced torque
AssigneeGeneral Electric Company
InventorsPatel Bhageerath REDDY, Deepak ARAVIND
Life of this patent
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Abstract
An electric machine is presented. The electric machine includes a stator. The electric machine further includes rotor disposed adjacent to the stator. The rotor includes a rotor core, a plurality of permanent magnets disposed in contact with the rotor core, a plurality of permanent magnets disposed in contact with the rotor core to modulate torque exerted on the rotor.
Claims20
An electric machine, comprising:
- a stator;
- a rotor disposed adjacent to the stator and comprising:
- a rotor core;
- a plurality of permanent magnets disposed in contact with the rotor core;
- and
- one or more electrically conductive coils disposed at least partially within the rotor core;
- and
- a power source electrically coupled to the one or more electrically conductive coils to supply electrical excitation to the one or more electrically conductive coils to modulate torque exerted on the rotor.
5 more elements
An electric machine, comprising:
- a stator;
- and
- a rotor disposed adjacent to the stator and comprising:
- a rotor core;
- a plurality of permanent magnets disposed in contact with the rotor core;
- and
- one or more electrically conductive coils disposed at least partially within the rotor core to modulate torque exerted on the rotor.
4 more elements
An electric motor, comprising:
- a stator comprising a plurality of windings configured to be excited by an alternating current;
- a rotor disposed adjacent to the stator and comprising:
- a rotor core;
- a plurality of permanent magnets disposed in contact with the rotor core;
- and
- one or more electrically conductive coils disposed at partially within the rotor core;
- and
- an alternating current (AC) to direct current (DC) converter electrically coupled between the one or more electrically conductive coils and the plurality of windings to generate a DC current from the AC current supplied to the plurality of windings and supply the DC current to the one or more electrically conductive coils to modulate torque exerted on the rotor.
5 more elements
Dependencies are inferred from the claim text.