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Title:
METHOD FOR COATING AND/OR APPLICATION ONTO MAGNETIC RINGS OF ROTOR MAGNETIC BEARING, ROTOR MAGNETIC BEARING, AND VACUUM PUMP
Document Type and Number:
Japanese Patent JP2014146795
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method of coating and/or application onto magnetic rings of a rotor magnetic bearing without influencing rotation balance in a rotor used for a vacuum pump.SOLUTION: In the rotor used for the vacuum pump, magnetic rings 4 of magnetic bearing of a rotor 1 is disposed at a location 3 provided for the magnetic rings 4, and exposed surfaces of the magnetic rings 4 are subjected to coating and/or application.

Inventors:
MARCO ANTONACCI
HERBERT STAMMLER
Application Number:
JP2014008273A
Publication Date:
August 14, 2014
Filing Date:
January 21, 2014
Export Citation:
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Assignee:
PFEIFFER VACUUM GMBH
International Classes:
H01F41/02; F04D19/04; F16C32/04; H01F7/02
Domestic Patent References:
JP2009008248A2009-01-15
JPS6446494U1989-03-22
JP2006509095A2006-03-16
JPH0274633A1990-03-14
JP2002247832A2002-08-30
JP2009002506A2009-01-08
JP2009002930A2009-01-08
Attorney, Agent or Firm:
Mitsufumi Ezaki
Minoru Kajisawa
Junji Shinohara
Kiyota 栄章