JPS6432483U - - Google Patents
Info
- Publication number
- JPS6432483U JPS6432483U JP12767487U JP12767487U JPS6432483U JP S6432483 U JPS6432483 U JP S6432483U JP 12767487 U JP12767487 U JP 12767487U JP 12767487 U JP12767487 U JP 12767487U JP S6432483 U JPS6432483 U JP S6432483U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- vane
- cam ring
- storage chamber
- discharge port
- 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
図面は本考案の実施例を示すもので、第１図は
ベーンポンプの断面図、第２図は第１図の―
線断面図、第３図は第１図の―線断面図、第
４図は第１図の―線断面図である。
１…ポンプハウジング、３…カムリング、５…
ロータ、７…ベーン、８，９…サイドプレート、
１２…吸入ポート、１３…吐出ポート、１６…圧
力導入孔、２０…圧力発生溝、２５，２６…背圧
溝。
The drawings show an embodiment of the present invention. Figure 1 is a sectional view of a vane pump, and Figure 2 is a cross-sectional view of the vane pump.
3 is a sectional view taken along the line ``-'' in FIG. 1, and FIG. 4 is a sectional view taken along the ``--'' line in FIG. 1...Pump housing, 3...Cam ring, 5...
Rotor, 7... vane, 8, 9... side plate,
12...Suction port, 13...Discharge port, 16...Pressure introduction hole, 20...Pressure generation groove, 25, 26...Back pressure groove.
Claims (1)
収納されたカムリングと、このカムリングの両側
に配置された一対のサイドプレートと、前記カム
リング内に回転可能に収納され円周上に複数のベ
ーンを放射方向に滑動可能に収納する収納室を形
成したロータと、前記サイドプレートに形成され
た吸入ポートおよび吐出ポートと、この吐出ポー
トより吐出された圧油を前記ベーンの収納室に導
入する背圧溝とを備えたベーンポンプにおいて、
前記ロータと摺接するサイドプレートの摺接面に
、前記サイドプレートの内孔部分より前記背圧溝
の手前まで延びかつ前記ロータの直径線に対しそ
の外端側がロータの回転方向と同一の方向に傾斜
する複数の圧力発生溝を周方向に適当間隔をおい
て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, a pair of side plates placed on both sides of the cam ring, and a plurality of vanes that are rotatably housed in the cam ring and can slide in a radial direction on the circumference. A rotor having a storage chamber for storing the vane, a suction port and a discharge port formed in the side plate, and a back pressure groove for introducing pressurized oil discharged from the discharge port into the storage chamber of the vane. In vane pumps,
On the sliding surface of the side plate that is in sliding contact with the rotor, the outer end side thereof with respect to the diameter line of the rotor is oriented in the same direction as the rotational direction of the rotor. A vane pump characterized in that a plurality of inclined pressure generating grooves are formed at appropriate intervals in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12767487U JPS6432483U (en) | 1987-08-22 | 1987-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12767487U JPS6432483U (en) | 1987-08-22 | 1987-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6432483U true JPS6432483U (en) | 1989-03-01 |
Family
ID=31380311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12767487U Pending JPS6432483U (en) | 1987-08-22 | 1987-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6432483U (en) |
-
1987
- 1987-08-22 JP JP12767487U patent/JPS6432483U/ja active Pending