ROBERT FERGUSON EDWARDS
Engineers in Murrysville, PA

License number
Pennsylvania PE010567L
Category
Engineers
Type
Professional Engineer
Address
Address
Murrysville, PA 15668

Professional information

Robert Edwards Photo 1

Dynamoelectric Machinery Utilizing Superconductive Windings

US Patent:
4058746, Nov 15, 1977
Filed:
Jul 17, 1975
Appl. No.:
5/596775
Inventors:
Cecil J. Mole - Monroeville PA
Robert F. Edwards - Murrysville PA
Assignee:
Westinghouse Electric Corporation - Pittsburgh PA
International Classification:
H02K 900
US Classification:
310 10
Abstract:
Iron or other ferromagnetic material is utilized in the magnetic circuit of dynamoelectric machines having superconductive field or excitation windings. In DC machines, a stationary salient pole field structure with a superconductive main field winding is utilized. An armature winding is wound about a smooth rotor. In AC machines, a ferromagnetic structure that encloses and rotates with a superconductive excitation winding is utilized. The ferromagnetic structure may include either salient poles interconnected by ferromagnetic shunts or a slotted or toothed rotor.