JPH0459377U - - Google Patents
Info
- Publication number
- JPH0459377U JPH0459377U JP1990100888U JP10088890U JPH0459377U JP H0459377 U JPH0459377 U JP H0459377U JP 1990100888 U JP1990100888 U JP 1990100888U JP 10088890 U JP10088890 U JP 10088890U JP H0459377 U JPH0459377 U JP H0459377U
- Authority
- JP
- Japan
- Prior art keywords
- runner
- outer periphery
- crown
- band
- upper cover
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Hydraulic Turbines (AREA)
Description
第１図は本考案を適用するフランシス形ポンプ
水車のランナ外周部の構造図、第２図はこのラン
ナ外周部の模式的な平面図、第３図は従来のフラ
ンシス形ポンプ水車のランナ外周部の構造図であ
る。
１……ランナクラウン、２……ランナバンド、
４，４ａ……上カバ、５，５ａ……下カバ、６…
…切欠部。
Fig. 1 is a structural diagram of the outer periphery of the runner of a Francis pump-turbine to which the present invention is applied, Fig. 2 is a schematic plan view of the outer periphery of this runner, and Fig. 3 is the outer periphery of the runner of a conventional Francis pump-turbine. FIG. 1... Runner crown, 2... Runner band,
4, 4a... Upper cover, 5, 5a... Lower cover, 6...
...Notch.
Claims (1)
挾持されるランナ羽根で構成されるランナと、こ
のランナの上方および前記ランナクラウン外周の
対向部を被う上カバと、前記ランナの下方および
前記ランナバンド外周の対向部を被う下カバとを
備えたフランシス形ポンプ水車において、前記ラ
ンナ外周の前記ランナクラウン外周端面および前
記ランナバンド外周端面に対向する上カバおよび
下カバ部に円周方向に複数個の切欠部をそれぞれ
設けたことを特徴とするフランシス形ポンプ水車
。 A runner consisting of a runner crown, a runner band, and runner blades held between them; an upper cover that covers the upper part of the runner and the opposing part of the outer periphery of the runner crown; and the lower part of the runner and the opposing part of the outer periphery of the runner band. In the Francis type pump turbine, the upper cover and the lower cover are provided with a plurality of notches in the circumferential direction, the upper cover and the lower cover facing the runner crown outer peripheral end face and the runner band outer peripheral end face on the outer periphery of the runner. A Francis-type pump-turbine characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990100888U JPH0459377U (en) | 1990-09-28 | 1990-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990100888U JPH0459377U (en) | 1990-09-28 | 1990-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0459377U true JPH0459377U (en) | 1992-05-21 |
Family
ID=31843888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990100888U Pending JPH0459377U (en) | 1990-09-28 | 1990-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0459377U (en) |
-
1990
- 1990-09-28 JP JP1990100888U patent/JPH0459377U/ja active Pending