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Title:
BEARING DIAGNOSTIC METHOD
Document Type and Number:
Japanese Patent JP2012021948
Kind Code:
A
Abstract:

To enable bearing diagnosis simply in a short time.

A predetermined power supply is connected between an inner lace and an outer lace in a bearing via a predetermined resistance, a current value or a voltage value between the inner lace and the outer lace is measured while rotating the bearing, and bearing abnormality is determined when the standard deviation is equal to or more than a predetermined one regarding distribution of the current value or the voltage value obtained in this measurement.


Inventors:
TOYAMA ATSUHIKO
NAKA YASUHIRO
NONOGAMI MITSUHIRO
HASHIMOTO KAZUFUMI
Application Number:
JP2010161962A
Publication Date:
February 02, 2012
Filing Date:
July 16, 2010
Export Citation:
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Assignee:
CHUGOKU ELECTRIC POWER CO INC
International Classes:
G01N27/04; G01M13/04; H01H31/20; H01H33/00
Domestic Patent References:
JP2001311427A2001-11-09
JP2004293776A2004-10-21
JP2003065329A2003-03-05
JP2003176830A2003-06-27
JPH01127934A1989-05-19
JPS533846A1978-01-13
JPS5959432U1984-04-18
JP2001311427A2001-11-09
JP2004293776A2004-10-21
JP2003065329A2003-03-05
JP2003176830A2003-06-27
JPH01127934A1989-05-19
JPS533846A1978-01-13
JPS5959432U1984-04-18
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation



 
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