Brushless motor/generator with trapped-flux superconductors

Details Brushless motor/generator with trapped-flux superconductors Brushless motor/generator with trapped-flux superconductors

2011-08-30

2011-08-30

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S179000, C310S052000, C505S166000

Reexamination Certificate

active

08008826

ABSTRACT:
Apparatus and methods provide for a high specific power electro-dynamo device that utilizes high-temperature superconductors, a dysprosium core, and superconducting coils to provide power. According to various embodiments, a rotor includes a number of rotor arms with a high-temperature superconductor attached to each arm. A stator includes a number of stator arms with stator coils wrapped around each arm. The stator coils may include superconducting wires for providing a charge to the high-temperature superconductors and non-superconducting wires for inducing a voltage from the trapped flux provided by the superconductors during operation in generator mode. The dysprosium core maximizes the magnetic flux saturated by the core while providing additional safety measures during operation. A backup power wheel or permanent magnets positioned in series with the high-temperature superconductors may provide emergency power at non-cryogenic temperatures.

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UK Search Report in GB Application No. 0913980.9 dated Dec. 11, 2009; 2 pages.

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