JPH01111150U - - Google Patents
Info
- Publication number
- JPH01111150U JPH01111150U JP418588U JP418588U JPH01111150U JP H01111150 U JPH01111150 U JP H01111150U JP 418588 U JP418588 U JP 418588U JP 418588 U JP418588 U JP 418588U JP H01111150 U JPH01111150 U JP H01111150U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- oil supply
- supply hole
- gas turbine
- shaft
- 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.)
- Granted
Links
- 238000005461 lubrication Methods 0.000 claims 1
Landscapes
- Sealing Devices (AREA)
Description
第１図は本考案の実施例の要部（第３図のＡ部
）の拡大断面図、第２図は同上実施例におけるシ
ールホルダの側面図、第３図は同上実施例の全体
構造を示す縦断面図、第４図は同上実施例におけ
るリングシールの拡大側面図、第５図は同上リン
グシールの一部切断拡大正面図、第６図は従来の
ガスタービンの軸シール構造の要部を示す縦断面
図、第７図は従来のガスタービンの軸シール構造
の他の例の要部を示す縦断面図、第８図は同上シ
ール構造におけるシールホルダの側面図である。
２……回転軸、３……シールホルダ、４……環
状溝、５……リングシール、９……オイル供給孔
、１３……ハウジング、１５……凹溝。
Fig. 1 is an enlarged cross-sectional view of the main part (part A in Fig. 3) of the embodiment of the present invention, Fig. 2 is a side view of the seal holder in the above embodiment, and Fig. 3 shows the overall structure of the above embodiment. FIG. 4 is an enlarged side view of the ring seal in the embodiment shown above, FIG. 5 is a partially cutaway enlarged front view of the ring seal shown above, and FIG. 6 is a main part of the shaft seal structure of a conventional gas turbine. FIG. 7 is a vertical cross-sectional view showing essential parts of another example of a conventional gas turbine shaft seal structure, and FIG. 8 is a side view of a seal holder in the same seal structure. 2... Rotating shaft, 3... Seal holder, 4... Annular groove, 5... Ring seal, 9... Oil supply hole, 13... Housing, 15... Concave groove.
Claims (1)
当接されるリングシールを備え、該リングシール
側面が当接する前記シールホルダの摺接面に潤滑
用のオイル供給孔を開口させたガスタービンの軸
シール構造において、前記リングシール側面の前
記シールホルダオイル供給孔と対面する部位に、
該オイル供給孔の径より大きな幅の環状の凹溝を
形成したことを特徴とするガスタービンの軸シー
ル構造。 A gas turbine shaft comprising a ring seal whose side surface presses into contact with a seal holder fixed to a rotating shaft, and an oil supply hole for lubrication is opened in the sliding surface of the seal holder that the ring seal side surface abuts. In the seal structure, a portion of the side surface of the ring seal facing the seal holder oil supply hole,
A shaft seal structure for a gas turbine, characterized in that an annular groove having a width larger than the diameter of the oil supply hole is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP418588U JPH06602Y2 (en) | 1988-01-19 | 1988-01-19 | Gas turbine shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP418588U JPH06602Y2 (en) | 1988-01-19 | 1988-01-19 | Gas turbine shaft seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01111150U true JPH01111150U (en) | 1989-07-26 |
| JPH06602Y2 JPH06602Y2 (en) | 1994-01-05 |
Family
ID=31206473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP418588U Expired - Lifetime JPH06602Y2 (en) | 1988-01-19 | 1988-01-19 | Gas turbine shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06602Y2 (en) |
-
1988
- 1988-01-19 JP JP418588U patent/JPH06602Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06602Y2 (en) | 1994-01-05 |