Metal working – Method of mechanical manufacture – Electrical device making
Patent
1997-02-25
1999-07-20
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Electrical device making
29596, H02K 1500
Patent
active
059241861
ABSTRACT:
A radial electromagnetic attraction stator of a magnetic bearing system is manufactured by forming laminated core pieces as divisions of a laminated core each having a unit number of pole teeth, winding wires around pole piece portions of the laminated core pieces with insulators interposed, assembling a predetermined number of the laminated core pieces wound with the wires and fixing joined portions of the laminated core pieces. This manufacturing method prevents spaces in which the wires are wound from being limited by adjacent pole teeth unlike the conventional integral laminated core, permits winding the wires in a maximum number of turns in open spaces and allows to obtain the radial electromagnetic attraction stator having a high space factor, thereby being capable of providing a magnetic bearing system having a high load capacity and usable as a bearing capable of enhancing performance of production appliances such as working appliance and vacuum pumps.
REFERENCES:
patent: 5060364 (1991-10-01), Scherer
patent: 5095610 (1992-03-01), Schultz et al.
patent: 5226713 (1993-07-01), Matsumura
Asai Katsuhiko
Ikemoto Yoshihiro
Nakagawa Tohru
Tashiro Isao
Eley Timothy V.
Halpern Benjamin M.
Matsushita Electric - Industrial Co., Ltd.
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