Metal working – Method of mechanical manufacture – Electrical device making
Patent
1988-11-01
1989-07-25
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29598, 310261, 310156, H02K 1502
Patent
active
048501000
ABSTRACT:
A rotor assembly includes a flux ring comprising a generally cylindrical ring of magnetic flux conducting material. A plurality of circumferentially spaced reinforcing ribs are fastened to the ring, each of the ribs projecting radially outward of the ring and extending axially for substantially the length thereof. A separate body of magnetic material is fastened to the ring between each adjacent pair of ribs. A method of manufacturing the flux ring is implemented by first providing a substantially flat sheet of magnetic flux conducting material. The sheet is bent to form a plurality of reinforcing ribs thereon, and subsequently rolled to form a cylinder with the ribs projecting radially outwardly thereof.
REFERENCES:
patent: 2907903 (1959-10-01), Reijnst et al.
patent: 4594525 (1986-06-01), Stokes
patent: 4625392 (1986-12-01), Stokes
patent: 4801834 (1989-01-01), Stokes
Davis Jr. James C.
General Electric Company
Hall Carl E.
Ross Taylor J.
Steinberg William H.
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