JPS61186794U - - Google Patents
Info
- Publication number
- JPS61186794U JPS61186794U JP7074585U JP7074585U JPS61186794U JP S61186794 U JPS61186794 U JP S61186794U JP 7074585 U JP7074585 U JP 7074585U JP 7074585 U JP7074585 U JP 7074585U JP S61186794 U JPS61186794 U JP S61186794U
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- suction
- flow passage
- suction casing
- centrifugal pump
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図及び第２図は本考案の一実施例を示す両
吸込形渦巻ポンプの要部断面図で、第１図は第２
図―線による部分断面図、第２図は第１図
―線による断面図であり、また、第３図ａ及び
ｂは従来の両吸込形渦巻ポンプの要部側面図及び
要部縦断面図、第４図は直管吸込と渦巻形吸込ケ
ーシングの場合のポンプ性能曲線をそれぞれ示す
線図である。
１……羽根車、２……シユラウド、３……吸込
ケーシング、５……ハブ、８……羽根車回転方向
、３０……案内羽根。
1 and 2 are sectional views of essential parts of a double suction type centrifugal pump showing one embodiment of the present invention, and FIG.
Figure 2 is a cross-sectional view taken along the line in Figure 1, and Figures 3 a and b are a side view and a vertical cross-sectional view of the main part of a conventional dual-suction type centrifugal pump. , FIG. 4 is a diagram showing pump performance curves for straight pipe suction and spiral suction casing, respectively. 1... Impeller, 2... Shroud, 3... Suction casing, 5... Hub, 8... Impeller rotation direction, 30... Guide vane.
Claims (1)
前の吸込ケーシングの軸側流路壁面に、羽根車へ
の流入流に羽根車回転方向の速度成分を与えるよ
うな角度の、流路幅の一部を占める案内羽根を備
えたことを特徴とする吸込ケーシング。 In a double-suction type centrifugal pump, a part of the flow passage width is attached to the shaft side flow passage wall surface of the suction casing immediately before the impeller suction port at an angle that gives a velocity component in the impeller rotation direction to the flow flowing into the impeller. A suction casing characterized by being equipped with a guide vane that occupies a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7074585U JPS61186794U (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7074585U JPS61186794U (en) | 1985-05-15 | 1985-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61186794U true JPS61186794U (en) | 1986-11-21 |
Family
ID=30607606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7074585U Pending JPS61186794U (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61186794U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51142101A (en) * | 1975-06-02 | 1976-12-07 | Hitachi Ltd | Suction casing of centrifugal pump |
-
1985
- 1985-05-15 JP JP7074585U patent/JPS61186794U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51142101A (en) * | 1975-06-02 | 1976-12-07 | Hitachi Ltd | Suction casing of centrifugal pump |
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