JPS6384419U - - Google Patents
Info
- Publication number
- JPS6384419U JPS6384419U JP17877886U JP17877886U JPS6384419U JP S6384419 U JPS6384419 U JP S6384419U JP 17877886 U JP17877886 U JP 17877886U JP 17877886 U JP17877886 U JP 17877886U JP S6384419 U JPS6384419 U JP S6384419U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- outer circumferential
- radial
- supply passage
- fluid supply
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 3
Landscapes
- Sliding-Contact Bearings (AREA)
Description
第１図は、従来の竪形動圧流体軸受を示す縦断
側面図、第２図は、この考案に係る竪形動圧流体
軸受の第１の実施例を示す縦断側面図、第３図は
、第２の実施例を示す縦断側面図である。
１，２１，４１……ハウジング、２，２２，４
２……ラジアル内周面、３，２３，４３……ラジ
アル内周面、４，２４，４４……回転軸、５，２
５，４５……ラジアル外周面、６，２６，４６…
…ヘリングボーン溝、７，２７，４７……ヘリン
グボーン溝、３１，５１……空所、３２，５２…
…流体供給路。
FIG. 1 is a longitudinal side view showing a conventional vertical hydrodynamic bearing, FIG. 2 is a longitudinal side view showing a first embodiment of the vertical hydrodynamic bearing according to the invention, and FIG. FIG. 2 is a longitudinal cross-sectional side view showing a second embodiment. 1, 21, 41...housing, 2, 22, 4
2... Radial inner peripheral surface, 3, 23, 43... Radial inner peripheral surface, 4, 24, 44... Rotating shaft, 5, 2
5, 45... Radial outer peripheral surface, 6, 26, 46...
...Herringbone groove, 7,27,47...Herringbone groove, 31,51...Empty space, 32,52...
...Fluid supply path.
Claims (1)
、前記円筒状のラジアル内周面と対向して共働す
る円筒状のラジアル外周面を備えた回転軸とから
なり、かつ前記ラジアル内周面およびラジアル外
周面の少なくとも一方に動圧発生用溝を備え潤滑
流体を介在させた竪形動圧流体軸受において、前
記回転軸の内部に空所を設け潤滑流体溜まりとし
、該空所と前記ラジアル外周面とを連通する流体
供給路を形成し、該流体供給路の前記ラジアル外
周面への開口位置を前記動圧発生用溝の上端近傍
としたことを特徴とする竪形動圧流体軸受。 The housing includes a housing having a cylindrical radial inner circumferential surface, and a rotating shaft having a cylindrical radial outer circumferential surface that faces and cooperates with the cylindrical radial inner circumferential surface, and the radial inner circumferential surface and the radial In a vertical hydrodynamic bearing having a groove for generating dynamic pressure on at least one of the outer circumferential surfaces and intervening lubricating fluid, a cavity is provided inside the rotating shaft to serve as a lubricating fluid reservoir, and the cavity and the radial outer circumferential surface A vertical dynamic pressure fluid bearing, characterized in that a fluid supply passage is formed in communication with the fluid supply passage, and the opening position of the fluid supply passage to the radial outer circumferential surface is near the upper end of the hydrodynamic pressure generating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17877886U JPS6384419U (en) | 1986-11-20 | 1986-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17877886U JPS6384419U (en) | 1986-11-20 | 1986-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6384419U true JPS6384419U (en) | 1988-06-02 |
Family
ID=31121228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17877886U Pending JPS6384419U (en) | 1986-11-20 | 1986-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6384419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH025615U (en) * | 1988-06-27 | 1990-01-16 | ||
| WO2007111218A1 (en) * | 2006-03-24 | 2007-10-04 | Ntn Corporation | Fluid bearing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824616A (en) * | 1982-07-24 | 1983-02-14 | Nippon Seiko Kk | Dynamic pressure fluid bearing device |
-
1986
- 1986-11-20 JP JP17877886U patent/JPS6384419U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824616A (en) * | 1982-07-24 | 1983-02-14 | Nippon Seiko Kk | Dynamic pressure fluid bearing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH025615U (en) * | 1988-06-27 | 1990-01-16 | ||
| WO2007111218A1 (en) * | 2006-03-24 | 2007-10-04 | Ntn Corporation | Fluid bearing device |
| US8215843B2 (en) | 2006-03-24 | 2012-07-10 | Ntn Corporation | Fluid dynamic bearing device |
| US8562219B2 (en) | 2006-03-24 | 2013-10-22 | Ntn Corporation | Fluid dynamic bearing device |
| KR101413550B1 (en) * | 2006-03-24 | 2014-07-01 | 엔티엔 가부시키가이샤 | Fluid bearing device |