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.
MURAKAMI HIROAKI
MITSUOKA DAISUKE
JPH06505547A | 1994-06-23 | |||
JP2007092994A | 2007-04-12 | |||
JPS64719U | 1989-01-05 | |||
JP2009174594A | 2009-08-06 |
赤澤 一博
Next Patent: DYNAMIC PRESSURE GAS BEARING