Superconducting brushless homopolar motor with multiple winding rotor
First Claim
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1. A brushless, homopolar electric motor comprising:
- rotor means including at least one rotor winding having a plurality of turns, and a rotor assembly on each end of which is installed a distribution disk, respective ends of the rotor winding being connected to one of the disks;
flux pumping means for inductively charging the rotor winding and including rectifier means comprising a half-wave rectifier for supplying an electrical current to the rotor winding, the rotor means further including means for electrically interconnecting the respective ends of the rotor winding with the half-wave rectifier for the disks to be electrically connected across an electrical output of the half-wave rectifier; and
,switch means for controlling operation of the flux pumping means.
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Abstract
A brushless homopolar dynamoelectric machine motor (1) has a rotor (3) with a least one winding (5) having multiple turns. The rotor is inductively charged using a flux pump or a rectifier. Solenoid pairs (15a, 15b, 17a, 17b) comprise field windings for the motor and compensate for winding and field losses. The motor is an axisymmetric motor in which superconductive materials are used.
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Citations
10 Claims
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1. A brushless, homopolar electric motor comprising:
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rotor means including at least one rotor winding having a plurality of turns, and a rotor assembly on each end of which is installed a distribution disk, respective ends of the rotor winding being connected to one of the disks; flux pumping means for inductively charging the rotor winding and including rectifier means comprising a half-wave rectifier for supplying an electrical current to the rotor winding, the rotor means further including means for electrically interconnecting the respective ends of the rotor winding with the half-wave rectifier for the disks to be electrically connected across an electrical output of the half-wave rectifier; and
,switch means for controlling operation of the flux pumping means. - View Dependent Claims (2, 3, 4)
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5. A brushless, homopolar electric motor comprising:
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rotor means including at least one rotor winding having a plurality of turns; flux pumping means for inductively charging the rotor winding; and
,switch means for controlling operation of the flux pumping means and including a solid state switching device connected in the rotor winding and means for gating the solid state switching device into conduction, the solid state switching device comprising a thyristor and the gating means including a coil overlying the rotor winding and electrically insualted from the rotor winding, a voltage developed by the coil being impressed on a gate input of the thyristor to switch it into conduction. - View Dependent Claims (6, 7, 8, 9, 10)
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Specification