JPH01166775U - - Google Patents
Info
- Publication number
- JPH01166775U JPH01166775U JP1988062155U JP6215588U JPH01166775U JP H01166775 U JPH01166775 U JP H01166775U JP 1988062155 U JP1988062155 U JP 1988062155U JP 6215588 U JP6215588 U JP 6215588U JP H01166775 U JPH01166775 U JP H01166775U
- Authority
- JP
- Japan
- Prior art keywords
- shape
- stop plate
- upper cover
- inlet portion
- circumferential direction
- 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 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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、第２図及び第３図は本考案の一実施例
の上カバーの断面図、第４図は従来の水車の断面
図、第５図は従来の旋回止板の第４図の―矢
視図、第６図は第５図の―矢視図である。
１……上カバー、２……旋回止板、３……ラン
ナ、４……下カバー、５……ガイドベーン、６…
…バランスホール、８……背圧室、９……溝、１
１……キヤビテーシヨン、１２……旋回止板面。
Figures 1, 2, and 3 are cross-sectional views of the upper cover of an embodiment of the present invention, Figure 4 is a cross-sectional view of a conventional water turbine, and Figure 5 is a cross-sectional view of a conventional turning stop plate. 6 is a view of FIG. 5 in the direction of the arrow. 1...Top cover, 2...Swivel stop plate, 3...Runner, 4...Lower cover, 5...Guide vane, 6...
... Balance hole, 8 ... Back pressure chamber, 9 ... Groove, 1
1... cavitation, 12... rotation stop plate surface.
Claims (1)
面の一部に、複数個に分割し、それを周方向に配
列している旋回止板を備えた上カバーにおいて、 前記旋回止板の各々について、周方向における
流れの入口部を直角形状以外の形状に削り取つた
ことを特徴とする流体機械の上カバー。 ２ 前記旋回止板の入口部は流れ方向に対し、曲
面形状、または、傾斜をつけた面形状としたこと
を特徴とする実用新案登録請求の範囲第１項記載
の流体機械の上カバー。[Claims for Utility Model Registration] 1. A top with a turning stop plate that is divided into a plurality of parts and arranged in the circumferential direction on a part of the inner surface of the annular cover provided on the back pressure chamber side of the runner. An upper cover for a fluid machine, wherein the flow inlet portion of each of the rotation stop plates in the circumferential direction is cut into a shape other than a right-angled shape. 2. The upper cover for a fluid machine according to claim 1, wherein the inlet portion of the rotation stop plate has a curved surface shape or a surface shape inclined with respect to the flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988062155U JPH01166775U (en) | 1988-05-13 | 1988-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988062155U JPH01166775U (en) | 1988-05-13 | 1988-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166775U true JPH01166775U (en) | 1989-11-22 |
Family
ID=31287787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988062155U Pending JPH01166775U (en) | 1988-05-13 | 1988-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166775U (en) |
-
1988
- 1988-05-13 JP JP1988062155U patent/JPH01166775U/ja active Pending