JPH0414780U - - Google Patents
Info
- Publication number
- JPH0414780U JPH0414780U JP5629090U JP5629090U JPH0414780U JP H0414780 U JPH0414780 U JP H0414780U JP 5629090 U JP5629090 U JP 5629090U JP 5629090 U JP5629090 U JP 5629090U JP H0414780 U JPH0414780 U JP H0414780U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- chamber
- fluid
- rotor
- vane
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図はベーンポンプの全体縦断面図、第２図
はアキユムレータの側面図、第３図は第２図の
−線断面図、第４図はアキユムレータの部分斜
視図である。
１……ロータ、２……ベーン、３……カムリン
グ、４，５……サイドプレート、４１Ａ，４１Ｂ
，５１Ａ，５１Ｂ……吐出ポート、６……アキユ
ムレータ、６ａ，６ｂ……空間部、６１……密閉
筒体、６１１……通孔、６２……弾性膜、７……
ハウジング、７３……吐出室、７４……流体吐出
口、８……回転軸。
FIG. 1 is an overall vertical sectional view of the vane pump, FIG. 2 is a side view of the accumulator, FIG. 3 is a sectional view taken along the line -- in FIG. 2, and FIG. 4 is a partial perspective view of the accumulator. 1... Rotor, 2... Vane, 3... Cam ring, 4, 5... Side plate, 41A, 41B
, 51A, 51B...discharge port, 6...accumulator, 6a, 6b...space, 61...closed cylinder, 611...through hole, 62...elastic membrane, 7...
Housing, 73...discharge chamber, 74...fluid discharge port, 8...rotation shaft.
Claims (1)
ウジング内に配設し、上記ロータの外周に複数の
ベーンを設けて、これらベーンの先端をロータの
外方に設けたカムリングの内周カム面に当接せし
めて各ベーン間に閉鎖されてポンプ室を形成し、
吸入ポートより各ポンプ室へ順次流体を吸入する
とともに各ポンプ室へ吐出ポートへ流体を順次圧
縮吐出するベーンポンプであつて、上記ハウジン
グ内の回転軸回りに環状空間を形成して上記吐出
ポートに連通する吐出室となして、該吐出室を経
てハウジングの流体吐出口へ流体を送出するベー
ンポンプにおいて、上記吐出室内にアキユムレー
タを配設し、該アキユムレータを、上記吐出室の
断面よりも小さな断面を有し上記吐出室に面する
周壁面の適当位置に複数の通孔を形成した環状密
閉筒体と、該密閉筒体内にその断面空間を２つの
空間部に二分するように張設され、上記通孔に面
しない側の空間部に圧力気体を封入した弾性膜と
より構成したことを特徴とするベーンポンプ。 A rotor that is connected to a rotating shaft and rotates is disposed within the pump housing, and a plurality of vanes are provided on the outer periphery of the rotor, and the tips of these vanes touch the inner cam surface of a cam ring provided outside of the rotor. abutting and closing between each vane to form a pump chamber;
A vane pump that sequentially sucks fluid into each pump chamber from a suction port and sequentially compresses and discharges fluid from each pump chamber to a discharge port, the vane pump forming an annular space around a rotation axis in the housing and communicating with the discharge port. In a vane pump that sends fluid to a fluid discharge port of a housing through the discharge chamber, an accumulator is disposed in the discharge chamber, and the accumulator has a cross section smaller than that of the discharge chamber. and an annular sealed cylinder having a plurality of through holes formed at appropriate positions on the peripheral wall surface facing the discharge chamber; A vane pump characterized by comprising an elastic membrane that seals pressurized gas in the space on the side that does not face the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5629090U JPH0414780U (en) | 1990-05-29 | 1990-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5629090U JPH0414780U (en) | 1990-05-29 | 1990-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0414780U true JPH0414780U (en) | 1992-02-06 |
Family
ID=31579981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5629090U Pending JPH0414780U (en) | 1990-05-29 | 1990-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414780U (en) |
-
1990
- 1990-05-29 JP JP5629090U patent/JPH0414780U/ja active Pending