JPH01173394U - - Google Patents
Info
- Publication number
- JPH01173394U JPH01173394U JP6497988U JP6497988U JPH01173394U JP H01173394 U JPH01173394 U JP H01173394U JP 6497988 U JP6497988 U JP 6497988U JP 6497988 U JP6497988 U JP 6497988U JP H01173394 U JPH01173394 U JP H01173394U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- housing
- rotating shaft
- air vent
- axial clearance
- 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.)
- Granted
Links
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図は本考案の一実施例を示す回転機器（ベ
ーンポンプ）の断面図、第２図は同他の実施例を
示す回転機器の要部断面図、第３図は更に他の実
施例を示す回転機器の要部断面図である。
１……ハウジング、２……軸穴、７……シール
リング、８……回転軸、１０……ベアリング、１
１……軸方向隙間、１２……エア抜き溝、１３…
…外部空間。
Fig. 1 is a sectional view of a rotating device (vane pump) showing one embodiment of the present invention, Fig. 2 is a sectional view of a main part of the rotating device showing another embodiment of the invention, and Fig. 3 is a sectional view of a rotating device (vane pump) showing another embodiment of the present invention. FIG. 2 is a cross-sectional view of main parts of the rotating equipment shown in FIG. 1... Housing, 2... Shaft hole, 7... Seal ring, 8... Rotating shaft, 10... Bearing, 1
1... Axial clearance, 12... Air vent groove, 13...
...external space.
Claims (1)
て回動可能に嵌挿され、この回転軸とハウジング
の軸穴との間を密封するシールリングがベアリン
グの内側に所定の軸方向隙間をもつて配設された
回転機器において、前記ベアリングと回転軸との
間に、軸方向隙間とハウジングの外部空間とを連
通するエア抜き溝が形成されたことを特徴とする
回転機器のエア抜き構造。 A rotating shaft is rotatably fitted into the shaft hole of the housing via a bearing, and a seal ring that seals between the rotating shaft and the shaft hole of the housing is arranged inside the bearing with a predetermined axial clearance. 1. An air vent structure for a rotating device, characterized in that an air vent groove is formed between the bearing and the rotating shaft to communicate an axial clearance with an external space of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064979U JPH08540Y2 (en) | 1988-05-17 | 1988-05-17 | Air bleeding structure for rotating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064979U JPH08540Y2 (en) | 1988-05-17 | 1988-05-17 | Air bleeding structure for rotating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01173394U true JPH01173394U (en) | 1989-12-08 |
| JPH08540Y2 JPH08540Y2 (en) | 1996-01-10 |
Family
ID=31290427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988064979U Expired - Lifetime JPH08540Y2 (en) | 1988-05-17 | 1988-05-17 | Air bleeding structure for rotating equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08540Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62124287U (en) * | 1986-01-31 | 1987-08-07 |
-
1988
- 1988-05-17 JP JP1988064979U patent/JPH08540Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62124287U (en) * | 1986-01-31 | 1987-08-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08540Y2 (en) | 1996-01-10 |