JPH02149896U - - Google Patents
Info
- Publication number
- JPH02149896U JPH02149896U JP5811389U JP5811389U JPH02149896U JP H02149896 U JPH02149896 U JP H02149896U JP 5811389 U JP5811389 U JP 5811389U JP 5811389 U JP5811389 U JP 5811389U JP H02149896 U JPH02149896 U JP H02149896U
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- casing
- rotating shaft
- volute
- suction port
- 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 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案にかかる実施例の側面図、第２
図は第１図の要部拡大図、第３図は第１図に示し
た実施例の変形例を示す側面図、第４図は従来の
ポンプの側面図である。
図中、１はポンプ、２はケーシング、３はイン
ペラ、４は回転軸、５はボリユート室、６は戻し
流路、７は回転軸の移動手段、９はインペラの中
心吸込み部、１１は吸込口である。
Figure 1 is a side view of an embodiment of the present invention;
The figure is an enlarged view of the main part of FIG. 1, FIG. 3 is a side view showing a modification of the embodiment shown in FIG. 1, and FIG. 4 is a side view of a conventional pump. In the figure, 1 is a pump, 2 is a casing, 3 is an impeller, 4 is a rotating shaft, 5 is a volute chamber, 6 is a return passage, 7 is a means for moving the rotating shaft, 9 is a central suction part of the impeller, and 11 is a suction It is the mouth.
Claims (1)
の回転軸の端部にインペラを設け、上記ケーシン
グに、インペラの中心吸込み部に臨んで吸込口を
形成し、かつ、インペラの外周のケーシングにボ
リユート室を形成したポンプにおいて、上記イン
ペラとケーシングの吸込み側間に、上記ボリユー
ト室から吸込口に流体を戻す戻し流路を形成し、
かつその戻し流路の間隙を調節すべく回転軸に移
動手段を設けたことを特徴とするポンプ。 A rotating shaft is rotatably supported in a casing, an impeller is provided at the end of the rotating shaft, a suction port is formed in the casing facing the central suction part of the impeller, and a volute is provided in the casing on the outer periphery of the impeller. In the pump having a chamber formed therein, a return passage for returning fluid from the volute chamber to the suction port is formed between the impeller and the suction side of the casing;
A pump characterized in that a moving means is provided on the rotating shaft to adjust the gap in the return flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5811389U JPH02149896U (en) | 1989-05-22 | 1989-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5811389U JPH02149896U (en) | 1989-05-22 | 1989-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149896U true JPH02149896U (en) | 1990-12-21 |
Family
ID=31583428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5811389U Pending JPH02149896U (en) | 1989-05-22 | 1989-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149896U (en) |
-
1989
- 1989-05-22 JP JP5811389U patent/JPH02149896U/ja active Pending