JPH0378986U - - Google Patents
Info
- Publication number
- JPH0378986U JPH0378986U JP14019489U JP14019489U JPH0378986U JP H0378986 U JPH0378986 U JP H0378986U JP 14019489 U JP14019489 U JP 14019489U JP 14019489 U JP14019489 U JP 14019489U JP H0378986 U JPH0378986 U JP H0378986U
- Authority
- JP
- Japan
- Prior art keywords
- cam ring
- curve section
- vane pump
- cam
- slope
- 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
- 230000036316 preload Effects 0.000 claims 1
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図はカム曲線を示すポンプの展開
図、第４図はロータを回転した作動状態を示す展
開図、第５図は従来のカム曲線を示したポンプの
展開図である。
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、２０……カム面、２１……ベーン、
２２……ロータ、２５，２６……吸入ポート、２
７，２８……吐出ポート、Ｃ２……大径曲線部、
Ｃ４……小径曲線部。
The drawings show an embodiment of the present invention, and FIG. 1 is a sectional view of a vane pump, and FIG. 2 is a cross-sectional view of the vane pump.
3 is a developed view of the pump showing a cam curve, FIG. 4 is a developed view showing an operating state in which the rotor is rotated, and FIG. 5 is a developed view of the pump showing a conventional cam curve. 10... Pump housing, 12... End cover, 14... Cam ring, 15, 16... Side plate, 20... Cam surface, 21... Vane,
22... Rotor, 25, 26... Suction port, 2
7, 28...Discharge port, C2...Large diameter curved part,
C4...Small diameter curved section.
Claims (1)
収納されて吸入曲線部、予圧勾配を設けた大径曲
線部、吐出曲線部及び小径曲線部を有するカム面
を形成したカムリングと、このカムリングのカム
面に摺接する複数のベーンを円周上に保持した回
転可能なロータと、前記カムリングの側方に配置
されカムリングに対接する面に吸入ポートおよび
吐出ポートを形成したサイドプレートを備えたベ
ーンポンプにおいて、前記小径曲線部に前記大径
曲線部に設けた勾配と同じ傾きの勾配を形成した
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 forming a cam surface having a suction curve section, a large diameter curve section with a preload gradient, a discharge curve section, and a small diameter curve section, and a cam ring that slides into contact with the cam surface of the cam ring. In the vane pump, the vane pump includes a rotatable rotor holding a plurality of vanes on its circumference, and a side plate disposed on the side of the cam ring and having a suction port and a discharge port formed on a surface facing the cam ring, wherein the small diameter curved portion A vane pump characterized in that a slope having the same slope as the slope provided in the large diameter curved portion is formed in the vane pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14019489U JPH0378986U (en) | 1989-12-01 | 1989-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14019489U JPH0378986U (en) | 1989-12-01 | 1989-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0378986U true JPH0378986U (en) | 1991-08-12 |
Family
ID=31687187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14019489U Pending JPH0378986U (en) | 1989-12-01 | 1989-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0378986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003269426A (en) * | 2002-03-12 | 2003-09-25 | Illinois Tool Works Inc <Itw> | Threaded fastener |
| JP2012002183A (en) * | 2010-06-18 | 2012-01-05 | Jtekt Corp | Vane pump |
| KR20170118374A (en) * | 2016-04-15 | 2017-10-25 | 한만진 | Self tapping screw |
-
1989
- 1989-12-01 JP JP14019489U patent/JPH0378986U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003269426A (en) * | 2002-03-12 | 2003-09-25 | Illinois Tool Works Inc <Itw> | Threaded fastener |
| JP2012002183A (en) * | 2010-06-18 | 2012-01-05 | Jtekt Corp | Vane pump |
| KR20170118374A (en) * | 2016-04-15 | 2017-10-25 | 한만진 | Self tapping screw |