JPH0317471U - - Google Patents
Info
- Publication number
- JPH0317471U JPH0317471U JP7882789U JP7882789U JPH0317471U JP H0317471 U JPH0317471 U JP H0317471U JP 7882789 U JP7882789 U JP 7882789U JP 7882789 U JP7882789 U JP 7882789U JP H0317471 U JPH0317471 U JP H0317471U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- lip
- sealing device
- shape memory
- segment
- 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
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 239000013535 sea water Substances 0.000 claims description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
Landscapes
- Sealing Devices (AREA)
Description
第1図は本考案船尾管軸封装置の一実施例を示
す部分的な断面図、第2図は同じく要部斜視図で
ある。
2……プロペラ軸、5……ケーシング、6……
スリーブライナ、7……対海水用リツプシール、
8……対潤滑油用リツプシール、9,10……セ
グメントシール、12,13……シールリング、
14,15……形状記憶合金製エキステンシヨン
スプリング。
FIG. 1 is a partial sectional view showing one embodiment of the stern tube shaft sealing device of the present invention, and FIG. 2 is a perspective view of the same essential parts. 2...Propeller shaft, 5...Casing, 6...
Sleeve liner, 7...lip seal for seawater,
8... Lip seal for lubricating oil, 9, 10... Segment seal, 12, 13... Seal ring,
14, 15...Shape memory alloy extension spring.
Claims (1)
対海水用リツプシールと、対潤滑油用リツプシー
ルと、これら両リツプシール間に位置し加圧気体
が供給される環状の室に装着された一対のセグメ
ントシールとを備えた船尾管軸封装置において、
前記セグメントシールのシールリングを外周から
締付けるエキステンシヨンスプリングが、高温域
でシールリングへの締付け力が減少する方向に形
状記憶処理された形状記憶合金からなることを特
徴とする船尾管軸封装置。 On the inner periphery of the casing where the propeller shaft is inserted,
A stern tube shaft sealing device comprising a lip seal for seawater, a lip seal for lubricating oil, and a pair of segment seals installed in an annular chamber located between these lip seals and supplied with pressurized gas,
A stern tube shaft sealing device characterized in that an extension spring that tightens the seal ring of the segment seal from the outer periphery is made of a shape memory alloy that has been subjected to shape memory treatment in a direction that reduces the tightening force on the seal ring in a high temperature range. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989078827U JPH0619879Y2 (en) | 1989-07-04 | 1989-07-04 | Stern tube shaft sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989078827U JPH0619879Y2 (en) | 1989-07-04 | 1989-07-04 | Stern tube shaft sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0317471U true JPH0317471U (en) | 1991-02-21 |
| JPH0619879Y2 JPH0619879Y2 (en) | 1994-05-25 |
Family
ID=31622440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989078827U Expired - Lifetime JPH0619879Y2 (en) | 1989-07-04 | 1989-07-04 | Stern tube shaft sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619879Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141687A (en) * | 1997-11-04 | 1999-05-25 | Nippon Seiko Kk | Shaft sealing device |
| JP2001289328A (en) * | 2000-04-10 | 2001-10-19 | Senshin Zairyo Riyo Gas Generator Kenkyusho:Kk | Sealing device |
| WO2012144024A1 (en) * | 2011-04-20 | 2012-10-26 | トヨタ自動車株式会社 | Seal structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5927346U (en) * | 1982-08-16 | 1984-02-20 | カヤバ工業株式会社 | Shock absorber |
| JPS60116464U (en) * | 1984-01-17 | 1985-08-06 | イーグル工業株式会社 | Stern tube shaft sealing device |
-
1989
- 1989-07-04 JP JP1989078827U patent/JPH0619879Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5927346U (en) * | 1982-08-16 | 1984-02-20 | カヤバ工業株式会社 | Shock absorber |
| JPS60116464U (en) * | 1984-01-17 | 1985-08-06 | イーグル工業株式会社 | Stern tube shaft sealing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141687A (en) * | 1997-11-04 | 1999-05-25 | Nippon Seiko Kk | Shaft sealing device |
| JP2001289328A (en) * | 2000-04-10 | 2001-10-19 | Senshin Zairyo Riyo Gas Generator Kenkyusho:Kk | Sealing device |
| WO2012144024A1 (en) * | 2011-04-20 | 2012-10-26 | トヨタ自動車株式会社 | Seal structure |
| JP5170326B2 (en) * | 2011-04-20 | 2013-03-27 | トヨタ自動車株式会社 | Seal structure |
| US8876116B2 (en) | 2011-04-20 | 2014-11-04 | Toyota Jidosha Kabushiki Kaisha | Sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0619879Y2 (en) | 1994-05-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |