JPH0197085U - - Google Patents
Info
- Publication number
- JPH0197085U JPH0197085U JP19246287U JP19246287U JPH0197085U JP H0197085 U JPH0197085 U JP H0197085U JP 19246287 U JP19246287 U JP 19246287U JP 19246287 U JP19246287 U JP 19246287U JP H0197085 U JPH0197085 U JP H0197085U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- fixed
- bushing
- rotor
- cover plate
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rotary Pumps (AREA)
Description
第１〜４図は本考案に係るベーンポンプの第１
実施例を示す図であり、第１図はその要部断面図
、第２図は第１図の―矢視断面図、第３図は
その周波数に対する騒音レベルの特性を示す図、
第４図はその回転数に対する従来例と第１実施例
との騒音レベルの特性を示す図、第５図は本考案
の第２実施例を示すそのベーンポンプの要部断面
図である。
１……ベーンポンプ、２……ハウジング、９…
…ロータ、１０……ドライブシヤフト、１０ａ…
…後端部（一端側）、１０ｂ……中間部、１０ｃ
……前端部（他端側）、１１……カムリング、１
５……カバープレート、１７……リアブツシユ（
第１のブツシユ）、１９……第２のブツシユ、２
０……弾性部材、３１……フローテイングブツシ
ユ、３３……リング。
Figures 1 to 4 show the first vane pump according to the present invention.
FIG. 1 is a cross-sectional view of the main part thereof, FIG. 2 is a cross-sectional view taken along the - arrow in FIG. 1, and FIG. 3 is a diagram showing characteristics of noise level with respect to frequency.
FIG. 4 is a diagram showing the noise level characteristics of the conventional example and the first embodiment with respect to the rotation speed, and FIG. 5 is a sectional view of the main part of the vane pump showing the second embodiment of the present invention. 1... Vane pump, 2... Housing, 9...
...Rotor, 10...Driveshaft, 10a...
...Rear end (one end side), 10b...Middle part, 10c
...Front end (other end side), 11...Cam ring, 1
5...Cover plate, 17...Rear bushing (
1st button), 19...2nd button, 2
0...Elastic member, 31...Floating bush, 33...Ring.
Claims (1)
ープレートとともにカムリング収納部を形成する
ハウジングと、カバープレートに固定された第１
のブツシユと、ハウジングに固定された第２のブ
ツシユと、ハウジングに固定されたベアリングと
、ロータを回転駆動し、その一端側が前記第１の
ブツシユで、他端側がベアリングで、さらに中間
部が第２のブツシユでそれぞれ回転自在に支持さ
れたドライブシヤフトと、を備えたベーンポンプ
において、前記第２のブツシユをハウジングに浮
動支持して固定するようにしたことを特徴とする
ベーンポンプ。 A housing that houses a cam ring and a rotor therein and forms a cam ring housing part together with a cover plate, and a first housing that is fixed to the cover plate.
A bushing fixed to the housing, a second bushing fixed to the housing, a bearing fixed to the housing, and a rotor is rotatably driven, one end of which is the first bushing, the other end is the bearing, and an intermediate part thereof is the first bushing. 1. A vane pump comprising a drive shaft rotatably supported by two bushes, wherein the second bushes are floatingly supported and fixed to a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19246287U JPH0197085U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19246287U JPH0197085U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197085U true JPH0197085U (en) | 1989-06-28 |
Family
ID=31483321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19246287U Pending JPH0197085U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0566293U (en) * | 1992-02-12 | 1993-09-03 | セイコー精機株式会社 | Vane gas compressor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5692388A (en) * | 1979-12-24 | 1981-07-27 | Jidosha Kiki Co Ltd | Rotary liquid pressure device |
| JPS619582B2 (en) * | 1977-04-06 | 1986-03-25 | Denryoku Chuo Kenkyujo |
-
1987
- 1987-12-18 JP JP19246287U patent/JPH0197085U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619582B2 (en) * | 1977-04-06 | 1986-03-25 | Denryoku Chuo Kenkyujo | |
| JPS5692388A (en) * | 1979-12-24 | 1981-07-27 | Jidosha Kiki Co Ltd | Rotary liquid pressure device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0566293U (en) * | 1992-02-12 | 1993-09-03 | セイコー精機株式会社 | Vane gas compressor |
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