JPS61187986U - - Google Patents
Info
- Publication number
- JPS61187986U JPS61187986U JP7399885U JP7399885U JPS61187986U JP S61187986 U JPS61187986 U JP S61187986U JP 7399885 U JP7399885 U JP 7399885U JP 7399885 U JP7399885 U JP 7399885U JP S61187986 U JPS61187986 U JP S61187986U
- Authority
- JP
- Japan
- Prior art keywords
- vane
- cam ring
- slit
- rotor
- pump
- 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
Landscapes
- Rotary Pumps (AREA)
Description
第１図から第３図までは本考案の実施例を示す
もので、第１図は本考案の要部を示す断面図、第
２図はベーンポンプの全体断面図、第３図は第２
図における―線断面図、第４図は従来の例を
示す断面図。
１０……ポンプハウジング、１２……エンドカ
バー、１４……カムリング、１５，１６……サイ
ドプレート、２１，５０……ベーン、２２……ロ
ータ、２５，２６……吸入ポート、２７，２８…
…吐出ポート、４０……スリツト、４１……傾斜
面４１、４３……ポンプ室、４４……ベーン背圧
溝。
Figures 1 to 3 show examples of the present invention. Figure 1 is a sectional view showing the main parts of the invention, Figure 2 is an overall sectional view of the vane pump, and Figure 3 is a sectional view of the vane pump.
FIG. 4 is a cross-sectional view taken along the line ``--'' in the figure, and FIG. 4 is a cross-sectional view showing a conventional example. 10... Pump housing, 12... End cover, 14... Cam ring, 15, 16... Side plate, 21, 50... Vane, 22... Rotor, 25, 26... Suction port, 27, 28...
...Discharge port, 40...Slit, 41...Slanted surface 41, 43...Pump chamber, 44...Vane back pressure groove.
Claims (1)
に収納されたカムリングと、このカムリングの両
側に配置されカムリングに対接する面に吸入ポー
トおよび吐出ポートを形成するとともに吐出ポー
トに通ずるベーン背圧溝を形成した一対のサイド
プレートと、前記ベーン背圧溝に通ずるスリツト
を放射方向に複数形成するとともに各スリツトに
ベーンを摺動可能に保持したロータとを備えたベ
ーンポンプにおいて、前記各スリツトにはロータ
の回転後方側でかつスリツトの入口付近にロータ
の回転後方側に傾斜した傾斜面を形成したことを
特徴とするベーンポンプ。 A pump housing, a cam ring housed in the pump housing, and a pair of cam rings that are arranged on both sides of the cam ring and have a suction port and a discharge port formed on the surfaces facing the cam ring, and a vane back pressure groove that communicates with the discharge port. A vane pump comprising a side plate and a rotor in which a plurality of slits communicating with the vane back pressure groove are formed in the radial direction and a vane is slidably held in each slit. A vane pump characterized in that, near the entrance of the slit, an inclined surface is formed that slopes toward the rear side of rotation of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7399885U JPS61187986U (en) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7399885U JPS61187986U (en) | 1985-05-17 | 1985-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61187986U true JPS61187986U (en) | 1986-11-22 |
Family
ID=30613885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7399885U Pending JPS61187986U (en) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187986U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536967B1 (en) * | 1971-05-28 | 1980-09-25 |
-
1985
- 1985-05-17 JP JP7399885U patent/JPS61187986U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536967B1 (en) * | 1971-05-28 | 1980-09-25 |