JPH01131894U - - Google Patents
Info
- Publication number
- JPH01131894U JPH01131894U JP2756488U JP2756488U JPH01131894U JP H01131894 U JPH01131894 U JP H01131894U JP 2756488 U JP2756488 U JP 2756488U JP 2756488 U JP2756488 U JP 2756488U JP H01131894 U JPH01131894 U JP H01131894U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate casing
- convex portion
- casing
- guide vane
- steel 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
- 238000005192 partition Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図は本考案の一実施例を示す多段遠心ポン
プの要部断面図、第２図ａはガイドベーンの開放
側（前段側）の側面図、同図ｂは周面図、同図ｃ
は反開放側（次段側）の側面図、第３図ａ及びｂ
は仕切板を固着した中間ケーシングの要部側面図
及び要部断面図である。
１……内ケーシング、２……中間ケーシング、
２ｂ……周面部、３……凸部、４……仕切板、４
ｂ……切欠き、５……ガイドベーン、５１……デ
イフユーザ部、５１ａ……羽根、５１ｂ……出口
部一端、５２……戻り通路、６……羽根車、７…
…ケーシングカバー。
Fig. 1 is a sectional view of essential parts of a multistage centrifugal pump showing an embodiment of the present invention, Fig. 2a is a side view of the open side (previous stage side) of the guide vane, Fig. 2b is a circumferential view, and Fig. 2c is
is a side view of the non-opening side (next stage side), Figure 3 a and b
2 is a side view and a cross-sectional view of a main part of an intermediate casing to which a partition plate is fixed. FIG. 1... Inner casing, 2... Intermediate casing,
2b...Surrounding part, 3...Convex part, 4...Partition plate, 4
b...notch, 5...guide vane, 51...diff user section, 51a...blade, 51b...one end of outlet section, 52...return passage, 6...impeller, 7...
...Casing cover.
Claims (1)
間ケーシングの半径方向外方の周面部に、内方に
向つて突出した凸部を設け、次段の中間ケーシン
グ前面に固着された仕切板の半径方向外方部に、
上記凸部に対応する切欠きを設け、且つ上記凸部
の周方向端部に、前段の中間ケーシングと次段の
中間ケーシングとによつて挾み込まれたガイドベ
ーンのデイフユーザ出口部の一端を当接させ、前
段中間ケーシングと後段中間ケーシングとこれら
の両中間ケーシングによつて挾み込まれたガイド
ベーンの三者の廻り止めとしたことを特徴とする
ポンプケーシングの廻り止め構造。 In a multi-stage centrifugal pump made of steel plates, an inwardly protruding convex portion is provided on the radially outer peripheral surface of an intermediate casing made of steel plates, and a convex portion protrudes inwardly in the radial direction of a partition plate fixed to the front surface of the next stage intermediate casing. In the outer part,
A notch corresponding to the convex portion is provided, and one end of the differential user outlet portion of the guide vane sandwiched between the previous intermediate casing and the next intermediate casing is provided at the circumferential end of the convex portion. A rotation stopper structure for a pump casing, characterized in that a rotation stopper is formed between a front intermediate casing, a rear intermediate casing, and a guide vane sandwiched between these two intermediate casings, which are brought into contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2756488U JPH0455277Y2 (en) | 1988-03-03 | 1988-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2756488U JPH0455277Y2 (en) | 1988-03-03 | 1988-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01131894U true JPH01131894U (en) | 1989-09-07 |
| JPH0455277Y2 JPH0455277Y2 (en) | 1992-12-25 |
Family
ID=31250162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2756488U Expired JPH0455277Y2 (en) | 1988-03-03 | 1988-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455277Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999017025A1 (en) * | 1997-09-30 | 1999-04-08 | Ebara Corporation | A turbo type fluid machinery and a diffuser therefor |
-
1988
- 1988-03-03 JP JP2756488U patent/JPH0455277Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999017025A1 (en) * | 1997-09-30 | 1999-04-08 | Ebara Corporation | A turbo type fluid machinery and a diffuser therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455277Y2 (en) | 1992-12-25 |
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