JPH01162093U - - Google Patents
Info
- Publication number
- JPH01162093U JPH01162093U JP5942988U JP5942988U JPH01162093U JP H01162093 U JPH01162093 U JP H01162093U JP 5942988 U JP5942988 U JP 5942988U JP 5942988 U JP5942988 U JP 5942988U JP H01162093 U JPH01162093 U JP H01162093U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- rotor
- oil chamber
- vane
- rotating shaft
- 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
- 238000005461 lubrication Methods 0.000 claims 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は、本考案の一実施例を示す概略断面図
、第２図は従来例を示す概略縦断面図、第３図は
従来例を示す概略横断面図、第４図はジヤーナル
８の斜視図である。
１……ハウジング、２……回転軸、３……ロー
タ、４……ベーン、５，６……ポンプ室、８……
ジヤーナル、８ａ……油溝、１４，１５……リー
ク油室、１２……サクシヨン通路。
FIG. 1 is a schematic cross-sectional view showing an embodiment of the present invention, FIG. 2 is a schematic vertical cross-sectional view showing a conventional example, FIG. 3 is a schematic cross-sectional view showing a conventional example, and FIG. FIG. 1... Housing, 2... Rotating shaft, 3... Rotor, 4... Vane, 5, 6... Pump chamber, 8...
Journal, 8a... Oil groove, 14, 15... Leak oil chamber, 12... Suction passage.
Claims (1)
転軸により上記ハウジングに対して相対的に回転
するロータと、同ロータの外周面に取り付けられ
て上記ハウジングの内周面におけるカムリング部
に摺接する多数のベーンと、上記ロータと上記ハ
ウジングと上記ベーンとに囲まれて形成される複
数のポンプ室と、これら複数のポンプ室のそれぞ
れに形成される吸入口及び吐出口を備えるベーン
ポンプにおいて、上記ハウジングと上記回転軸と
に囲まれて形成され上記ハウジングと上記ロータ
との間の隙間に連通するリーク油室を、上記ハウ
ジングに設けられ上記回転軸に外嵌するジヤーナ
ル部内周に形成された潤滑用の油溝を介して、低
圧通路に連通すると共に、上記リーク油室と上記
低圧通路とを直接連通するバイパス通路を設けた
ことを特徴とするベーンポンプ。 A housing, a rotor housed in the housing and rotated relative to the housing by a rotating shaft, and a number of vanes that are attached to the outer circumferential surface of the rotor and come into sliding contact with a cam ring portion on the inner circumferential surface of the housing. and a vane pump comprising a plurality of pump chambers formed surrounded by the rotor, the housing, and the vane, and an inlet and a discharge port formed in each of the plurality of pump chambers, the housing and the rotation A leak oil chamber surrounded by a shaft and communicating with a gap between the housing and the rotor is connected to a lubrication oil groove formed on the inner periphery of a journal provided in the housing and externally fitted around the rotating shaft. A vane pump characterized in that a bypass passage is provided which communicates with the low pressure passage via the leakage oil chamber and directly communicates the low pressure passage with the leak oil chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5942988U JPH01162093U (en) | 1988-05-02 | 1988-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5942988U JPH01162093U (en) | 1988-05-02 | 1988-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162093U true JPH01162093U (en) | 1989-11-10 |
Family
ID=31285200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5942988U Pending JPH01162093U (en) | 1988-05-02 | 1988-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000014411A1 (en) * | 1998-09-08 | 2000-03-16 | Ebara Corporation | Vane type rotary machine |
-
1988
- 1988-05-02 JP JP5942988U patent/JPH01162093U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000014411A1 (en) * | 1998-09-08 | 2000-03-16 | Ebara Corporation | Vane type rotary machine |
| US6629829B1 (en) | 1998-09-08 | 2003-10-07 | Ebara Corporation | Vane type rotary machine |