JPH0342081U - - Google Patents
Info
- Publication number
- JPH0342081U JPH0342081U JP10053689U JP10053689U JPH0342081U JP H0342081 U JPH0342081 U JP H0342081U JP 10053689 U JP10053689 U JP 10053689U JP 10053689 U JP10053689 U JP 10053689U JP H0342081 U JPH0342081 U JP H0342081U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- high pressure
- pressure chamber
- side plates
- annular recess
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は本考案一実施例と従来例の圧力−流量特性曲
線図、第３図は従来例を示す断面図である。
１……ケーシング、３……シヤフト、３……環
状凹所、５……ロータ、６……カムリング、１０
，２４……サイドプレート、１１……高圧室、１
７……Ｏリング、３５……絞り。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a pressure-flow characteristic curve diagram of an embodiment of the present invention and a conventional example, and FIG. 3 is a sectional view showing the conventional example. DESCRIPTION OF SYMBOLS 1... Casing, 3... Shaft, 3... Annular recess, 5... Rotor, 6... Cam ring, 10
, 24... side plate, 11... hyperbaric chamber, 1
7...O-ring, 35...aperture.
Claims (1)
ングに支承されたシヤフトに設けられ複数のベー
ンが略放射方向に出没自在に取付けられたロータ
をカムリングと共に収容し、該カムリングの両側
にサイドプレートを配置し、該サイドプレートの
一方と前記ケーシングの環状凹所奥部との間に高
圧室が形成されるようにしたベーンポンプにおい
て、前記高圧室近傍の前記シヤフトとケーシング
との嵌合部に絞りを形成すると共に、前記サイド
プレートの一方の外周部と前記ケーシングの環状
凹所との間に高圧室を密封するシール手段を設け
たことを特徴とするベーンポンプ。 A rotor, which is provided on a shaft supported by the casing and has a plurality of vanes attached to the shaft so as to be able to protrude and retract in substantially radial directions, is accommodated in an annular recess formed in the casing together with a cam ring, and side plates are arranged on both sides of the cam ring. , in a vane pump in which a high pressure chamber is formed between one of the side plates and a deep part of the annular recess of the casing, a restriction is formed at a fitting portion between the shaft and the casing near the high pressure chamber; A vane pump further comprising a sealing means for sealing a high pressure chamber between an outer peripheral portion of one of the side plates and an annular recess of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989100536U JP2525602Y2 (en) | 1989-08-30 | 1989-08-30 | Vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989100536U JP2525602Y2 (en) | 1989-08-30 | 1989-08-30 | Vane pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0342081U true JPH0342081U (en) | 1991-04-22 |
| JP2525602Y2 JP2525602Y2 (en) | 1997-02-12 |
Family
ID=31649539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989100536U Expired - Lifetime JP2525602Y2 (en) | 1989-08-30 | 1989-08-30 | Vane pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525602Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009533197A (en) * | 2006-07-03 | 2009-09-17 | ホナム ペトロケミカル コープ | Micro needle roller assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845997U (en) * | 1981-09-21 | 1983-03-28 | 豊田工機株式会社 | Bearing device for rotating shaft in pump |
| JPS6261980U (en) * | 1985-10-09 | 1987-04-17 | ||
| JPS62117286U (en) * | 1986-01-17 | 1987-07-25 |
-
1989
- 1989-08-30 JP JP1989100536U patent/JP2525602Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845997U (en) * | 1981-09-21 | 1983-03-28 | 豊田工機株式会社 | Bearing device for rotating shaft in pump |
| JPS6261980U (en) * | 1985-10-09 | 1987-04-17 | ||
| JPS62117286U (en) * | 1986-01-17 | 1987-07-25 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009533197A (en) * | 2006-07-03 | 2009-09-17 | ホナム ペトロケミカル コープ | Micro needle roller assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525602Y2 (en) | 1997-02-12 |