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Patent Searching and Data


Title:
PUMP BEARING MONITORING DEVICE AND METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2004218578
Kind Code:
A
Abstract:

To correctly judge occurrence of abnormality in bearings supporting a main shaft of a pump.

A bearing monitoring device comprises an air supply pipe line 28A, 28B, 28C introducing air, which is supplied from an air compressor 21, in a clearance 38 between non-water pouring bearings 7A, 7B, 7C and the main shaft 5. Flow meters 29A, 29B, 29C detect a flow rate of air flowing through the air supply pipe line 28A, 28B, 28C. A differential pressure gage 33 detects differential pressure between air supply pressure of the air compressor 21 and discharge pressure of a vertical shaft pump 1. A control and judgement section 36 judges occurrence of abnormality in the bearings based on the air flow rate detected by the flow meters 29A-29C and the differential pressure detected by the differential pressure gage 33.


Inventors:
Kanemori, Yuji
Application Number:
JP2003000008449
Publication Date:
August 05, 2004
Filing Date:
January 16, 2003
Export Citation:
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Assignee:
TORISHIMA PUMP MFG CO LTD
International Classes:
F04D15/02; F04B49/10; F04D13/00; F04D29/04; F04D29/046; (IPC1-7): F04D29/04; F04B49/10; F04D13/00; F04D15/02