JPH0194619U - - Google Patents
Info
- Publication number
- JPH0194619U JPH0194619U JP19067487U JP19067487U JPH0194619U JP H0194619 U JPH0194619 U JP H0194619U JP 19067487 U JP19067487 U JP 19067487U JP 19067487 U JP19067487 U JP 19067487U JP H0194619 U JPH0194619 U JP H0194619U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- foil
- inner circumferential
- recess
- airflow
- 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
- 239000011888 foil Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 1
Landscapes
- Support Of The Bearing (AREA)
Description
第１図は本考案の一実施例に係るフオイルジヤ
ーナル軸受の組立断面図、第２図は第１図に示す
弾性フオイルを展開した表面斜視図、第３図は同
上弾性フオイルを展開した裏面斜視図、第４図は
従来の弾性フオイルを展開した表面斜視図、第５
図は第４図の弾性フオイルの裏面斜視図である。
図中、１は軸孔、２は軸受ケース、４は弾性フ
オイル、５は回転軸、６は凹部、７は凸部、８は
凹部、９は凸部、１０は軸受体、１１は軸受面、
１２は楔膜である。
Fig. 1 is an assembled sectional view of a foil journal bearing according to an embodiment of the present invention, Fig. 2 is a front perspective view of the developed elastic foil shown in Fig. 1, and Fig. 3 is a back side of the same elastic foil developed. Fig. 4 is a perspective view of a developed surface of a conventional elastic foil, Fig. 5 is a perspective view
The figure is a rear perspective view of the elastic foil of FIG. 4. In the figure, 1 is a shaft hole, 2 is a bearing case, 4 is an elastic foil, 5 is a rotating shaft, 6 is a recess, 7 is a projection, 8 is a recess, 9 is a projection, 10 is a bearing body, and 11 is a bearing surface. ,
12 is the cuneiform membrane.
Claims (1)
内周面側に気流に抵抗を与える凹部が形成されて
いる帯状の弾性フオイルを多重に巻いて設置し、
その設置された弾性フオイルの内周面内に嵌装さ
れて回転する回転軸を上記凹部に突き当る気流に
よつて浮き上げながら支持するフオイルジヤーナ
ル軸受において、上記弾性フオイルの外周面側に
、上記内周面側の凸部に対応して凹部を形成し曲
げ剛性が長手方向にほぼ均一になるようにしたこ
とを特徴とするフオイルジヤーナル軸受。 Inside the shaft hole of the bearing case, which has a cylindrical shaft hole,
A band-shaped elastic foil with a recess that provides resistance to airflow is formed on the inner circumferential surface and is installed by wrapping it multiple times.
In the foil journal bearing, which is fitted into the inner circumferential surface of the installed elastic foil and supports the rotating shaft while being lifted up by the airflow that hits the recess, on the outer circumferential surface side of the elastic foil, A foil journal bearing characterized in that a concave portion is formed corresponding to the convex portion on the inner circumferential surface side so that bending rigidity is substantially uniform in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19067487U JPH0194619U (en) | 1987-12-17 | 1987-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19067487U JPH0194619U (en) | 1987-12-17 | 1987-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0194619U true JPH0194619U (en) | 1989-06-22 |
Family
ID=31481625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19067487U Pending JPH0194619U (en) | 1987-12-17 | 1987-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0194619U (en) |
-
1987
- 1987-12-17 JP JP19067487U patent/JPH0194619U/ja active Pending