Super-synchronous motor/generator
AssigneeX Development LLC
InventorsLeo Francis Casey, Siyuan Xin
Life of this patent
Estimating the term…
Abstract
A compound motor-generator system including a first motor-generator and a second motor-generator. The first motor generator includes a stator having a set of three-phase field windings and a first rotor disposed inside and coaxial with the stator and configured to rotate relative to the stator. The second motor-generator includes a rotational stator and a second rotor coupled to a common shaft with the rotor of the first motor-generator and disposed inside and coaxial to the rotational stator. The rotational stator is configured to rotate relative to the second rotor and at a higher rotational speed than the second rotor.
Claims21
(canceled)
An electrical machine comprising:
- a housing;
- a first stator having a first set of field windings;
- a first rotor disposed inside and coaxial with the first stator, wherein, in a first operating mode, the first stator is configured to electrically drive rotation of the first rotor relative to the first stator when the first set of field windings is energized;
- a second stator mounted on bearings configured to permit rotation of the second stator relative to the housing;
- and
- a second rotor mechanically coupled to the first rotor, wherein, in the first operating mode, the first rotor is configured to mechanically drive rotation of the second rotor during rotation of the first rotor, wherein:
- the second rotor is disposed inside and coaxial to the second stator;
- and
- the second rotor is configured to electrically drive rotation of the second stator when a second set of field windings are energized during rotation of the second rotor, the second set of field windings being integrated with the second rotor or the second stator.
An electrical machine comprising:
- a housing;
- a first stator having a first set of field windings;
- a first rotor disposed inside and coaxial with the first stator, wherein, in a first operating mode, the first rotor is configured to induce electrical current in the first set of field windings during rotation of the first rotor relative to the first stator;
- a second rotor mechanically coupled to the first rotor, wherein, in the first operating mode, the second rotor is configured to mechanically drive rotation of the first rotor during rotation of the second rotor;
- and
- a second stator mounted on bearings configured to permit rotation of the second stator relative to the housing, the second stator being configured to be mechanically rotated by a prime mover in the first operating mode, wherein:
- the second rotor is disposed inside and coaxial to the second stator;
- and
- the second stator is configured to electrically drive rotation of the second rotor when a second set of field windings are energized during rotation of the second stator, the second set of field windings being integrated with the second rotor or the second stator.
Dependencies are inferred from the claim text.