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:
Jan. 09, 1990
Filed:
Sep. 30, 1988
Applicant:
Inventor:
Ashok K Agarwala, Penfield, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
505-1 ; 310 52 ; 310 905 ;
Abstract
An electric machine that includes a superconductor bearing to position and levitate a magnetic rotor. The machine also includes an armature circuit that is electro-magnetically coupled to the rotor, and an associated drive electronics. The machine can function as a generator, or a motor to drive a load, and has an advantage of frictionless operation.