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Patent Searching and Data


Title:
DYNAMIC PRESSURE GAS BEARING
Document Type and Number:
Japanese Patent JP2012193832
Kind Code:
A
Abstract:

To provide a dynamic pressure gas bearing that includes upper foil and under foil and that enables a shape of a proper wedge-shaped space to be easily obtained by a simple constitution.

This dynamic pressure gas bearing adopts the following constitution: the upper foil 4 includes an upper foil plate 41 in which a convex portion passage hole allowing the passage of a convex portion 5a is provided on a portion positioned above the convex portion 5a of the under foil 5, and a plurality of upper foil segments 42 that have each of one-side ends 42a supported by the upper foil plate 41 and that are supported by the convex portions 5a of the under foil 5; and the other end 42b of the upper foil segment 42 overlaps the adjacent upper foil segment 42.


Inventors:
ANDO MASANAO
MURAKAMI HIROAKI
MITSUOKA DAISUKE
Application Number:
JP2011060362A
Publication Date:
October 11, 2012
Filing Date:
March 18, 2011
Export Citation:
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Assignee:
SHIMADZU CORP
International Classes:
F16C27/02
Domestic Patent References:
JPH06505547A1994-06-23
JP2007092994A2007-04-12
JPS64719U1989-01-05
JP2009174594A2009-08-06
Attorney, Agent or Firm:
宮澤 岳志
赤澤 一博