JPH01162092U - - Google Patents
Info
- Publication number
- JPH01162092U JPH01162092U JP5942888U JP5942888U JPH01162092U JP H01162092 U JPH01162092 U JP H01162092U JP 5942888 U JP5942888 U JP 5942888U JP 5942888 U JP5942888 U JP 5942888U JP H01162092 U JPH01162092 U JP H01162092U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- rotor
- rotating shaft
- vane
- communicates
- 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
- 239000003921 oil Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図の―矢視図、第３図は従来例を
示す縦断面図、第４図は従来例の横断面図、第５
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、２０……潤滑油路。
Fig. 1 is a longitudinal cross-sectional view showing an embodiment of the present invention, Fig. 2 is a view taken along the - arrow in Fig. 1, Fig. 3 is a longitudinal cross-sectional view showing a conventional example, and Fig. 4 is a cross-sectional view of the conventional example. Figure, 5th
The figure is a perspective view of the journal 8. 1... Housing, 2... Rotating shaft, 3... Rotor, 4... Vane, 5, 6... Pump chamber, 8...
Journal, 8a... Oil groove, 14, 15... Leak oil chamber, 20... Lubricating oil path.
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、上記ハウジングに形成されこれ
ら複数のポンプ室のそれぞれに開口する吸入口及
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、
上記ジヤーナル部に摺接する上記回転軸の外周部
に開口し上記リーク油室に連通する潤滑油路を上
記回転軸に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 the housing and opening to each of the plurality of pump chambers, A leak oil chamber surrounded by the housing and the rotating shaft and communicating with the gap between the housing and the rotor is provided with a lubrication chamber formed on the inner periphery of a journal part provided in the housing and externally fitted onto the rotating shaft. It communicates with the low pressure passage through the oil groove for
A vane pump characterized in that the rotary shaft is provided with a lubricating oil passage that opens at the outer peripheral portion of the rotary shaft that slides in contact with the journal portion and communicates with the leak oil chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5942888U JPH01162092U (en) | 1988-05-02 | 1988-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5942888U JPH01162092U (en) | 1988-05-02 | 1988-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162092U true JPH01162092U (en) | 1989-11-10 |
Family
ID=31285199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5942888U Pending JPH01162092U (en) | 1988-05-02 | 1988-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162092U (en) |
-
1988
- 1988-05-02 JP JP5942888U patent/JPH01162092U/ja active Pending
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