Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1993-12-07
1995-11-21
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 68B, H02K 524, G05B 1132
Patent
active
054690072
ABSTRACT:
The present invention is intended to improve the mass-productivity of equipment having magnetic bearings at the time of its manufacture, and to facilitate after-sale service of equipment having magnetic bearings after the time when either of a magnetic bearing control apparatus and a structure having a rotor has gotten out of order and is exchanged or repairs. In the magnetic bearing arrangement according to the present invention, due to the fact that a portion (a central position (off-set) regulator 8, a positional feedback gain adjuster 9 and a filter 10) of control elements of a magnetic bearing control apparatus 1 is placed outside the magnetic bearing control apparatus 1 as such, for instance, inside the structure having the magnetic bearing, some factors restricting the interchangeability between the magnetic bearing control apparatus 1 and a structure (such as a casing) 2 having a rotor are eliminated. It thereby becomes possible to produce the magnetic bearing arrangement and the structure 2 having the rotor separately, and the mass-productivity of equipment having magnetic bearings at the time of its manufacture can therefore be improved. Furthermore, the after-sale service of equipment having magnetic bearings after the time when either of the magnetic bearing control apparatus 1 and the structure 2 having the rotor has gotten out of order and is exchanged or repaired, can be facilitated.
REFERENCES:
patent: 5013987 (1991-05-01), Wakui
patent: 5027280 (1991-06-01), Ando et al.
patent: 5032751 (1991-07-01), Morita
patent: 5104284 (1992-04-01), Hustak, Jr. et al.
patent: 5140209 (1992-08-01), Whorlow
patent: 5193953 (1993-03-01), Jesinger
Haszko D. R.
Mitsubishi Jukogyo Kabushiki Kaisha
Stephan Steven L.
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