Method of producing rotating machine provided with sleeve molded of porous material
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United States of America Patent
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Jun 16, 2015
Grant Date -
Mar 1, 2012
app pub date -
Aug 2, 2011
filing date -
Aug 30, 2010
priority date (Note) -
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Abstract
In a rotating machine, a base is configured such that a housing space is formed by joining a cover to the base and has a bearing hole communicating ambient air and the housing space. A sleeve is fitted into the bearing hole and formed with a porous material. The circumferential lower end portion of the sleeve is exposed to ambient air from the bearing hole. At least part of the pores on the surface of the circumferential lower end portion in contact with ambient air are filled in.
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