Structure of persistent current switch and that of control...

Details Structure of persistent current switch and that of control... Structure of persistent current switch and that of control...

2007-10-10

2011-10-11

Nguyen, Danny (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Superconductor protective circuits

C505S124000

Reexamination Certificate

active

08035933

ABSTRACT:
Disclosed is the structure of a persistent current switch and a control method for the same. In the switch structure, a portion of a superconducting wire to be used as a switch is formed with slits such that the flow of current is controlled by the switch, to facilitate a transition between the superconducting state and the normal state of the superconducting wire. The structure of the persistent current switch includes a first slit longitudinally extending from a first point on one end of a superconducting wire to a second point and from a third point to a fourth point, the second, third, and fourth points being arranged sequentially in a longitudinal line, and second and third slits provided at opposite sides of a region between the second point and the third point where no first slit exists.

REFERENCES:
patent: 3021434 (1962-02-01), Blumberg
patent: 4797510 (1989-01-01), Mihelich
patent: 6531233 (2003-03-01), Pourrahimi et al.

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