JPH0287974U - - Google Patents
Info
- Publication number
- JPH0287974U JPH0287974U JP1988165814U JP16581488U JPH0287974U JP H0287974 U JPH0287974 U JP H0287974U JP 1988165814 U JP1988165814 U JP 1988165814U JP 16581488 U JP16581488 U JP 16581488U JP H0287974 U JPH0287974 U JP H0287974U
- Authority
- JP
- Japan
- Prior art keywords
- fitted
- rotating shaft
- labyrinth member
- labyrinth
- circumferential surface
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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縦断面図、第2図
は水車のシール付近の部分の縦断面図、第3図は
従来の水車のラビリンスシールの縦断面図である
。
1……ガイドベーン、2……ランナ、3……ラ
イナ、4……上カバー、7……主軸、7a……主
軸の雄ねじ部、12……外側ラビリンス部材、1
3……内側ラビリンス部材、13a……内側ラビ
リンス部材の雌ねじ部。
FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of a portion near the seal of a water turbine, and FIG. 3 is a longitudinal sectional view of a labyrinth seal of a conventional water turbine. DESCRIPTION OF SYMBOLS 1... Guide vane, 2... Runner, 3... Liner, 4... Upper cover, 7... Main shaft, 7a... Male threaded part of main shaft, 12... Outer labyrinth member, 1
3... Inner labyrinth member, 13a... Female threaded portion of the inner labyrinth member.
Claims (1)
その外方の固定部に装着されている外側ラビリン
ス部材よりなるラビリンスシールにおいて、前記
回転軸の外周面と前記内側ラビリンス部材内周面
にそれぞれねじ部を設けて双方のねじ部を螺合さ
せて内側ラビリンス部材を所定位置に取り付ける
とともに、二分割された外側ラビリンス部材を前
記内側ラビリンス部材と嵌合させて固定部と回転
軸間に嵌め込んだことを特徴とするラビリンスシ
ール。 In a labyrinth seal consisting of an inner labyrinth member fitted to a rotating shaft and an outer labyrinth member attached to a fixed portion outside the rotating shaft, threaded portions are provided on the outer circumferential surface of the rotating shaft and the inner circumferential surface of the inner labyrinth member, respectively. At the same time, the inner labyrinth member is fitted in a predetermined position by screwing both threaded parts together, and the outer labyrinth member divided into two parts is fitted into the inner labyrinth member and fitted between the fixed part and the rotating shaft. Labyrinth seal featuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988165814U JPH0287974U (en) | 1988-12-23 | 1988-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988165814U JPH0287974U (en) | 1988-12-23 | 1988-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0287974U true JPH0287974U (en) | 1990-07-12 |
Family
ID=31452645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988165814U Pending JPH0287974U (en) | 1988-12-23 | 1988-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0287974U (en) |
-
1988
- 1988-12-23 JP JP1988165814U patent/JPH0287974U/ja active Pending