Title:
動圧型フォイル式気体軸受
Document Type and Number:
Japanese Patent JP4961485
Kind Code:
B2
Abstract:
A dynamic foil gas bearing (50) includes a foil group (57) comprising a corrugated-sheet-like bump foil (58), a flat-sheet-like middle foil (59), and a flat-sheet-like top foil (60) which are arranged successively toward the center axis of a bearing case (56A). The top foil (60) includes a second linkage surface (60b) joined to a second fixed surface (60a) fixed to an inner circumferential surface (56a) of the bearing case (56A) and also joined to a second rotatable shaft holding surface (60c). The second linkage surface (60b) is provided by a curved portion of the top foil (60) which is convex toward the center axis of the bearing case (56A). The middle foil (59) includes a first linkage surface (59b) joined to a first fixed surface (59a) fixed to the inner circumferential surface (56a) of the bearing case (56A) and also joined to a first rotatable shaft holding surface (59c). The first linkage surface (59b) is provided by a bent straight portion of the middle foil (59).
Inventors:
Yasuhisa Kume
Noriyuki Mizojiri
Noriyuki Mizojiri
Application Number:
JP2010079462A
Publication Date:
June 27, 2012
Filing Date:
March 30, 2010
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F16C25/04; F16C27/02
Domestic Patent References:
| JP2001295836A | ||||
| JP2001227535A | ||||
| JP54028958A | ||||
| JP2006177542A | ||||
| JP50045148A | ||||
| JP50058453A | ||||
| JP2004183830A |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Shuji Ouchi
Toshiyuki Miyadera
Shuji Ouchi