JPH0297196U - - Google Patents
Info
- Publication number
- JPH0297196U JPH0297196U JP346089U JP346089U JPH0297196U JP H0297196 U JPH0297196 U JP H0297196U JP 346089 U JP346089 U JP 346089U JP 346089 U JP346089 U JP 346089U JP H0297196 U JPH0297196 U JP H0297196U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- helical
- fillet
- shroud
- pressure side
- 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
- 239000000411 inducer Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の第１実施例を示す要部断面図
、第２図は第２実施例を示す要部斜視図、第３図
はウオータジエツトポンプ装置の全体構成例を示
す断面図、第４図は従来例を示す要部正面図、第
５図は第４図の側面図、第６図は他の従来例を示
す要部正面図、第７図は第６図の側面図である。
２１……ニードル、２２……羽根、２３……羽
根車（ヘリカルインデユーサ）、２４……シユラ
ウド、２５……フイレツト。
Fig. 1 is a cross-sectional view of a main part showing a first embodiment of the present invention, Fig. 2 is a perspective view of a main part showing a second embodiment, and Fig. 3 is a cross-sectional view showing an example of the overall configuration of a water jet pump device. , FIG. 4 is a front view of essential parts showing a conventional example, FIG. 5 is a side view of FIG. 4, FIG. 6 is a front view of essential parts showing another conventional example, and FIG. 7 is a side view of FIG. 6. It is. 21...needle, 22...impeller, 23...impeller (helical inducer), 24...shroud, 25...fillet.
Claims (1)
ジエツトポンプ装置であつて、羽根形状が螺旋形
とされたヘリカルインデユーサを備えたものにお
いて、前記ヘリカルインデユーサの羽根入口部外
周側に圧力面側から負圧面側への洩流れ防止用の
シユラウドまたはフイレツトを設け、そのシユラ
ウドまたはフイレツトの後端から羽根出口に亘る
部位はオープン羽根構造としたことを特徴とする
ウオータジエツトポンプ装置。 In a waterjet pump device installed in a waterjet propulsion device, which is equipped with a helical inducer having a helical blade shape, there is a pressure side to a negative pressure side on the outer periphery of the blade inlet of the helical inducer. 1. A water jet pump device, characterized in that a shroud or fillet is provided to prevent flow from leaking to the pump, and the portion extending from the rear end of the shroud or fillet to the blade outlet has an open blade structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP346089U JPH0297196U (en) | 1989-01-18 | 1989-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP346089U JPH0297196U (en) | 1989-01-18 | 1989-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0297196U true JPH0297196U (en) | 1990-08-02 |
Family
ID=31205113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP346089U Pending JPH0297196U (en) | 1989-01-18 | 1989-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0297196U (en) |
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1989
- 1989-01-18 JP JP346089U patent/JPH0297196U/ja active Pending