Brushless dual rotor electromagnetic induction motor
First Claim
1. A device comprising a brushless dual rotor electromagnetic induction motor, the induction motor comprising:
- an inner exciter rotor having a rotatable drive/input shaft, the inner exciter rotor generating a magnetic field when the drive/input shaft is rotated;
an outer carrier rotor surrounding the inner exciter rotor and being co-axial and concentric therewith, the outer carrier rotor having a rotatable conductive frame and a plurality of circumferentially spaced apart conductive elements associated with the rotatable carrier frame such that an electrical current can be induced to flow through the conductive elements in response to the magnetic field as the drive/input shaft rotates, wherein the conductive elements comprise a plurality of conductive carrier induction plates, wherein the rotatable carrier frame is mounted for rotation about an axis defined by the drive/input shaft, and wherein the rotatable carrier frame comprises;
a forward carrier induction plate mounting hub;
a rear carrier induction plate mounting hub laterally spaced apart from the forward carrier induction plate mounting hub; and
a plurality of induction plate mounting brackets connected to the forward and rear induction plate mounting hubs for receiving and securing the carrier induction plates, the induction plates being circumferentially spaced about the axis defined by the drive/input shaft;
a rotatable driven/output shaft which rotates in response to rotation of the rotatable conductive frame; and
an outer stator surrounding the outer carrier rotor and proximate the conductive elements which interacts with the induced electrical current flowing through the conductive elements to thereby cause the rotatable conductive frame to rotate.
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Accused Products
Abstract
A brushless dual rotor electromagnetic induction motor with an inner exciter rotor having a rotatable drive/input shaft, the inner exciter rotor generating a rotating magnetic field when the drive/input shaft is rotated, an outer carrier rotor surrounding the inner exciter rotor and being co-axial and concentric therewith, the outer carrier rotor having a rotatable carrier frame and a plurality of conductive elements, an electrical current being induced to flow through each of the conductive elements in response to the rotating magnetic field generated by the inner exciter rotor, a rotatable driven/output shaft which rotates in response to rotation of the rotatable carrier frame, and an outer stator surrounding the outer carrier rotor which interacts with the induced electrical current flowing through the conductive elements of the outer carrier rotor to thereby cause the rotatable carrier frame of the outer carrier rotor to rotate.
34 Citations
19 Claims
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1. A device comprising a brushless dual rotor electromagnetic induction motor, the induction motor comprising:
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an inner exciter rotor having a rotatable drive/input shaft, the inner exciter rotor generating a magnetic field when the drive/input shaft is rotated; an outer carrier rotor surrounding the inner exciter rotor and being co-axial and concentric therewith, the outer carrier rotor having a rotatable conductive frame and a plurality of circumferentially spaced apart conductive elements associated with the rotatable carrier frame such that an electrical current can be induced to flow through the conductive elements in response to the magnetic field as the drive/input shaft rotates, wherein the conductive elements comprise a plurality of conductive carrier induction plates, wherein the rotatable carrier frame is mounted for rotation about an axis defined by the drive/input shaft, and wherein the rotatable carrier frame comprises; a forward carrier induction plate mounting hub;
a rear carrier induction plate mounting hub laterally spaced apart from the forward carrier induction plate mounting hub; anda plurality of induction plate mounting brackets connected to the forward and rear induction plate mounting hubs for receiving and securing the carrier induction plates, the induction plates being circumferentially spaced about the axis defined by the drive/input shaft; a rotatable driven/output shaft which rotates in response to rotation of the rotatable conductive frame; and an outer stator surrounding the outer carrier rotor and proximate the conductive elements which interacts with the induced electrical current flowing through the conductive elements to thereby cause the rotatable conductive frame to rotate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device comprising a brushless dual rotor electromagnetic induction motor, the induction motor comprising:
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a rotatable drive/input shaft; an inner exciter rotor generating a rotating magnetic field when the drive/input shaft is rotated, the inner exciter rotor having; a coil mount having a central hub section mounted on the drive/input shaft, and a plurality of coil mounting sections radiating outwardly from the central hub section; and a plurality of electrical induction coils, each of the mounting sections receiving one of the electrical induction coils; an outer carrier rotor surrounding the inner exciter rotor and being co-axial and concentric therewith, the outer carrier rotor having; a plurality of conductive carrier induction plates; and a rotatable carrier frame mounted for rotation about an axis defined by the drive/input shaft, the rotatable carrier frame comprising; a forward carrier induction plate mounting hub; a rear carrier induction plate mounting hub laterally spaced apart from the forward carrier induction plate mounting hub; and a plurality of induction plate mounting brackets connected to the forward and rear induction plate mounting hubs for receiving and securing the carrier induction plates, the induction plates being circumferentially spaced about the axis defined by the drive/input shaft, and such that an electrical current is induced to flow through each of the carrier induction plates in response to the rotating magnetic field generated by the inner exciter rotor; a driven/output shaft connected to the rotatable carrier frame for rotation about the axis of the drive/input shaft when the rotatable carrier frame rotates; and an outer stator surrounding the outer carrier rotor which interacts with the induced electrical current flowing through the conductive induction plates to thereby cause the rotatable carrier frame to rotate about the axis defined by the drive/input shaft, the outer stator having; a plurality of circumferentially spaced apart and electrically conductive stator bars each having a pair of spaced apart ends; a forward annular-shaped shorting ring for receiving and securing one end of each of the stator bars; and a rear annular-shaped shorting ring laterally spaced apart from the forward shorting ring for receiving and securing the other end of each of the stator bars. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A device comprising a brushless dual rotor electromagnetic induction motor, the induction motor comprising:
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a rotatable drive/input shaft; an inner exciter rotor generating a rotating magnetic field when the drive/input shaft is rotated, the inner exciter rotor having; a coil mount having a central hub section mounted on the drive/input shaft, and a plurality of coil mounting sections radiating outwardly from the central hub section; and a plurality of electrical induction coils, each of the mounting sections receiving one of the electrical induction coils; an outer carrier rotor surrounding the inner exciter rotor and being co-axial and concentric therewith, the outer carrier rotor having; a plurality of conductive carrier elements; and a rotatable carrier frame mounted for rotation about an axis defined by the drive/input shaft, the rotatable carrier frame comprising; a forward carrier mounting hub; a rear carrier mounting hub laterally spaced apart from the forward carrier mounting hub; and a generally cylindrically-shaped central carrier section associated with the forward and rear carrier mounting hubs for receiving and securing the conductive carrier elements, the central carrier section having a central bore formed therein through which the drive/input shaft extends, the conductive carrier elements being circumferentially spaced apart by central carrier section about the axis defined by the drive/input shaft, and such that an electrical current is induced to flow through each of the conductive carrier elements in response to the rotating magnetic field generated by the inner exciter rotor; a driven/output shaft connected to the rotatable carrier frame for rotation about the axis of the drive/input shaft when the rotatable carrier frame rotates; and an outer stator surrounding the outer carrier rotor which interacts with the induced electrical current flowing through the conductive carrier elements to thereby cause the rotatable carrier frame to rotate about the axis defined by the drive/input shaft, the outer stator having; a plurality of circumferentially spaced apart and electrically conductive stator bars each having a pair of spaced apart ends; a forward annular-shaped shorting ring for receiving and securing one end of each of the stator bars; and a rear annular-shaped shorting ring laterally spaced apart from the forward shorting ring for receiving and securing the other end of each of the stator bars. - View Dependent Claims (17, 18, 19)
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Specification