Title:
MAGNETIC BEARING DEVICE
Document Type and Number:
Japanese Patent JP2002089559
Kind Code:
A
Abstract:
To provide a magnetic bearing of high responsiveness (quick responsiveness) at low cost.
This magnetic bearing device includes a power amplifier for supplying a control current to the coil of the electromagnet of a controlled magnetic bearing. A nonlinear element 7 is provided on the rear stage of the power amplifier where a control input signal S1 and a current feedback signal S2 are added together.
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Inventors:
SHINOZAKI HIROYUKI
Application Number:
JP2000276845A
Publication Date:
March 27, 2002
Filing Date:
September 12, 2000
Export Citation:
Assignee:
EBARA CORP
International Classes:
F16C39/06; H02K7/09; F16C32/04; (IPC1-7): F16C32/04
Attorney, Agent or Firm:
Takashi Kumagai (1 outside)
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