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.
Patent No.:
Date of Patent:
Jul. 09, 1991
Filed:
Feb. 14, 1990
Applicant:
Inventors:
Hideto Yoshimura, Amagasaki, JP;
Toshiyuki Amano, Amagasaki, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 52 ; 310 54 ; 310 59 ; 310198 ; 310261 ;
Abstract
A superconducting rotating electric machine has superconducting rotor windings made from a high-temperature superconductor having a critical temperature of at least 78.degree. K. The rotor windings are cooled by a liquid coolant such as liquid nitrogen which is sprayed from the stator directly at the outer surface of the rotor.