JPH01144473U - - Google Patents
Info
- Publication number
- JPH01144473U JPH01144473U JP1988039568U JP3956888U JPH01144473U JP H01144473 U JPH01144473 U JP H01144473U JP 1988039568 U JP1988039568 U JP 1988039568U JP 3956888 U JP3956888 U JP 3956888U JP H01144473 U JPH01144473 U JP H01144473U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- member fitted
- labyrinth member
- narrow
- labyrinth
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
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)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
第１図の部分拡大図、第３図は従来のラビリンス
シールを用いた水車の断面図、第４図は従来のラ
ビリンスシールの断面図である。
１……回転軸、２……ランナ、３……上カバー
、４……ガイドベーン、５……ライナ、６……パ
ツキン箱取付台、７……排水管、８……パツキン
箱カバー、９……水切筒、１０……水切り、１１
……内側ラビリンス部材、１２……外側ラビリン
ス部材、１３……内側ラビリンス部材、１４……
外側ラビリンス部材、Ａ……中間室、Ｂ……排水
室、Ｃ……流路の狭部、Ｄ……流路の広部、Ｅ…
…流路の狭部への圧力水の入口、Ｆ……流路の広
部からの圧力水の出口。
Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a partially enlarged view of Fig. 1, Fig. 3 is a sectional view of a water turbine using a conventional labyrinth seal, and Fig. 4 is a sectional view of a conventional labyrinth seal. FIG. 1... Rotating shaft, 2... Runner, 3... Upper cover, 4... Guide vane, 5... Liner, 6... Packing box mounting base, 7... Drain pipe, 8... Packing box cover, 9 ... Drainer, 10 ... Drainer, 11
...Inner labyrinth member, 12...Outer labyrinth member, 13...Inner labyrinth member, 14...
Outer labyrinth member, A...middle chamber, B...drainage chamber, C...narrow part of the channel, D...wide part of the channel, E...
...Inlet of pressurized water to the narrow part of the channel, F...Outlet of pressurized water from the wide part of the channel.
Claims (1)
その外方の固定部に装着されている外側ラビリン
ス部材との間に形成される環状断面流路に狭部と
広部とが交互に設けてあるラビリンスシールにお
いて、前記各狭部の回転軸中心線からの距離が流
体漏出方向に沿つて順次増加しまたは順次減少し
ていることを特徴とするラビリンスシール。 Narrow portions and wide portions are alternately provided in the annular cross-sectional flow path formed between the inner labyrinth member fitted to the rotating shaft and the outer labyrinth member fitted to the fixed portion outside the rotating shaft. A labyrinth seal characterized in that the distance of each narrow portion from the center line of the rotating shaft increases or decreases sequentially along the fluid leakage direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988039568U JPH01144473U (en) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988039568U JPH01144473U (en) | 1988-03-28 | 1988-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01144473U true JPH01144473U (en) | 1989-10-04 |
Family
ID=31266067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988039568U Pending JPH01144473U (en) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01144473U (en) |
-
1988
- 1988-03-28 JP JP1988039568U patent/JPH01144473U/ja active Pending
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