Title:
THRUST BEARING AND GENERATOR FOR VERTICAL WATER TURBINE USING THE SAME
Document Type and Number:
Japanese Patent JP2002147441
Kind Code:
A
Abstract:
To reduce bearing loss by reducing abrasion of thrust metal and thrust runner surfaces and by eliminating metal burnout in a thrust bearing.
A thrust runner side permanent magnet 4 and a thrust metal side permanent magnet 5 are buried in the thrust runner 2 and the thrust metal 3 respectively in such dispositions as repelling each other. The magnetic repelling forces retain parts of the thrust load applied to the thrust bearing.
Inventors:
FUKUZAWA MASAYUKI
Application Number:
JP2000346398A
Publication Date:
May 22, 2002
Filing Date:
November 14, 2000
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD
International Classes:
F16C17/03; F16C33/10; F16C39/06; H02K7/09; (IPC1-7): F16C17/03; F16C33/10; F16C39/06; H02K7/09
Attorney, Agent or Firm:
Toshiro Mitsuishi (2 outside)
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