The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 11, 2006

Filed:

Jul. 30, 2003
Applicants:

Mitsuru Kikuchi, Ibaraki, JP;

Toshinari Ando, Ibaraki, JP;

Inventors:

Mitsuru Kikuchi, Ibaraki, JP;

Toshinari Ando, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A superconducting coil system comprising a superconducting coil and a normal conducting coil, the normal conducting coil having a current time constant (L/R) which is larger than L/R, or the time constant at which the current through the superconducting coil decays rapidly after the conductors in the superconducting coil made a transition to the normal conducting state, in which Land Lrepresent the self-inductances of the superconducting coil and the normal conducting coil, respectively, Rrepresents the resistance for causing rapid decay of the current flow through the superconducting coil, and Rrepresents the resistance of the normal conducting coil.


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