JPH0250084U - - Google Patents
Info
- Publication number
- JPH0250084U JPH0250084U JP12656988U JP12656988U JPH0250084U JP H0250084 U JPH0250084 U JP H0250084U JP 12656988 U JP12656988 U JP 12656988U JP 12656988 U JP12656988 U JP 12656988U JP H0250084 U JPH0250084 U JP H0250084U
- Authority
- JP
- Japan
- Prior art keywords
- divided
- cam ring
- plate
- side plate
- plates
- 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
Landscapes
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図から第４図は本考案の実施例を示すもの
で、第１図は第１実施例のタンデムポンプの縦断
面図、第２図は第１図における―線断面図、
第３図は第１図における―線断面図、第４図
は第２実施例のタンデムポンプの縦断面図、第５
図は従来のタンデムポンプの縦断面図である。
２０…第１ポンプハウジング、２１…第２ポン
プハウジング、２３…中空室、３０…第１カムリ
ング、３２…第２カムリング、３３…リヤサイド
プレート、７０…中間サイドプレート、７０ａ…
第１サイドプレート、７０ｂ…第２サイドプレー
ト、７０ｃ…第３サイドプレート、７４…圧力室
、８０…ヌスミ。
1 to 4 show embodiments of the present invention, in which FIG. 1 is a vertical sectional view of the tandem pump of the first embodiment, FIG. 2 is a sectional view taken along the line -- in FIG.
3 is a sectional view taken along the line - in FIG. 1, FIG. 4 is a longitudinal sectional view of the tandem pump of the second embodiment, and FIG.
The figure is a longitudinal sectional view of a conventional tandem pump. 20... First pump housing, 21... Second pump housing, 23... Hollow chamber, 30... First cam ring, 32... Second cam ring, 33... Rear side plate, 70... Intermediate side plate, 70a...
1st side plate, 70b...2nd side plate, 70c...3rd side plate, 74...pressure chamber, 80...nusumi.
Claims (1)
イドプレートと第２カムリングとリヤサイドプレ
ートを順に積層して嵌挿し、この第１カムリング
と第２カムリング内にこの内周カム面に摺接する
ベーンを半径方向に摺動可能に保持した第１ロー
タと第２ロータをそれぞれ装嵌し、前記各サイド
プレートに吐出ポートと吸入ポートに形成したタ
ンデムポンプにおいて、前記中間プレートを複数
の分割プレートに分割し、この分割プレート内に
前記吐出ポートと連通する圧力室を形成するとと
もに、この分割プレートの互いに対向する面に分
割プレート中央部分の撓みを吸収するヌスミを形
成したことを特徴とするタンデムポンプ。 The first cam ring, the intermediate side plate, the second cam ring, and the rear side plate are stacked and inserted in this order into the pump housing, and the vanes that are in sliding contact with the inner cam surface are slid in the first cam ring and the second cam ring in the radial direction. In the tandem pump, the intermediate plate is divided into a plurality of divided plates, and the intermediate plate is divided into a plurality of divided plates. A tandem pump characterized in that a pressure chamber communicating with the discharge port is formed therein, and a groove is formed on mutually opposing surfaces of the divided plate to absorb deflection of a central portion of the divided plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12656988U JPH0648155Y2 (en) | 1988-09-28 | 1988-09-28 | Tandem pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12656988U JPH0648155Y2 (en) | 1988-09-28 | 1988-09-28 | Tandem pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0250084U true JPH0250084U (en) | 1990-04-06 |
| JPH0648155Y2 JPH0648155Y2 (en) | 1994-12-07 |
Family
ID=31378213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12656988U Expired - Lifetime JPH0648155Y2 (en) | 1988-09-28 | 1988-09-28 | Tandem pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648155Y2 (en) |
-
1988
- 1988-09-28 JP JP12656988U patent/JPH0648155Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648155Y2 (en) | 1994-12-07 |