JP5644547B2 - 動圧気体軸受 - Google Patents
動圧気体軸受 Download PDFInfo
- Publication number
- JP5644547B2 JP5644547B2 JP2011015372A JP2011015372A JP5644547B2 JP 5644547 B2 JP5644547 B2 JP 5644547B2 JP 2011015372 A JP2011015372 A JP 2011015372A JP 2011015372 A JP2011015372 A JP 2011015372A JP 5644547 B2 JP5644547 B2 JP 5644547B2
- Authority
- JP
- Japan
- Prior art keywords
- foil
- underfoil
- shaft
- dynamic pressure
- upper foil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/024—Sliding-contact bearings for exclusively rotary movement for radial load only with flexible leaves to create hydrodynamic wedge, e.g. radial foil bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/02—Assembling sliding-contact bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Support Of The Bearing (AREA)
Description
1a…内壁
2…軸
3…フォイル組立品
4…アンダーフォイル
4b…突起
5…アッパーフォイル
Claims (3)
- 円筒状の軸受ハウジングの内壁に設けられ、軸との間で気体膜を形成する複数のアッパーフォイルと、前記アッパーフォイルと前記軸受ハウジングとの間に配してなり前記アッパーフォイルを前記軸に向けて付勢する1つのアンダーフォイルとを一体に連結してなり、前記軸受ハウジングに対して位置決めするための突起を有するフォイル組立品を具備する動圧気体軸受であって、
各アッパーフォイルが、前記アンダーフォイルの短手方向両側に、アッパーフォイル本体と前記アンダーフォイルとを接続するための連結部を具備し、
前記連結部で折り返すことにより前記アッパーフォイル本体を前記アンダーフォイルに重ね合わせるようにしているとともに、
対向する前記アッパーフォイルがそれぞれ重なり合うことを特徴とする動圧気体軸受。 - 弾性力をそれぞれ独立にアッパーフォイルに作用させることが可能な弾性付与部を前記アンダーフォイルに複数設けている請求項1記載の動圧気体軸受。
- 前記フォイル組立品を1つのみ有し、前記複数のアッパーフォイルを全て前記1つのアンダーフォイルに一体に連結してなる請求項1又は2記載の動圧気体軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011015372A JP5644547B2 (ja) | 2011-01-27 | 2011-01-27 | 動圧気体軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011015372A JP5644547B2 (ja) | 2011-01-27 | 2011-01-27 | 動圧気体軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012154448A JP2012154448A (ja) | 2012-08-16 |
JP5644547B2 true JP5644547B2 (ja) | 2014-12-24 |
Family
ID=46836377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011015372A Expired - Fee Related JP5644547B2 (ja) | 2011-01-27 | 2011-01-27 | 動圧気体軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5644547B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10487870B2 (en) * | 2015-12-01 | 2019-11-26 | Ntn Corporation | Foil bearing |
CN111637149A (zh) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | 一种具有弹性阻尼结构的箔片气体轴承 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024024856A1 (ja) * | 2022-07-26 | 2024-02-01 | 株式会社Ihi | ラジアルフォイル軸受及びラジアルフォイル軸受の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4911048B2 (ja) * | 2008-01-22 | 2012-04-04 | 株式会社島津製作所 | 動圧気体軸受 |
JP4935702B2 (ja) * | 2008-02-05 | 2012-05-23 | 株式会社島津製作所 | 動圧気体軸受の取付構造 |
JP2009287654A (ja) * | 2008-05-28 | 2009-12-10 | Shimadzu Corp | 動圧気体フォイル軸受 |
JP5286955B2 (ja) * | 2008-06-12 | 2013-09-11 | 株式会社Ihi | フォイル軸受 |
-
2011
- 2011-01-27 JP JP2011015372A patent/JP5644547B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10487870B2 (en) * | 2015-12-01 | 2019-11-26 | Ntn Corporation | Foil bearing |
CN111637149A (zh) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | 一种具有弹性阻尼结构的箔片气体轴承 |
Also Published As
Publication number | Publication date |
---|---|
JP2012154448A (ja) | 2012-08-16 |
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