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JPS59129699U - Stern tube seal assembly - Google Patents

Stern tube seal assembly

Info

Publication number
JPS59129699U
JPS59129699U JP2491383U JP2491383U JPS59129699U JP S59129699 U JPS59129699 U JP S59129699U JP 2491383 U JP2491383 U JP 2491383U JP 2491383 U JP2491383 U JP 2491383U JP S59129699 U JPS59129699 U JP S59129699U
Authority
JP
Japan
Prior art keywords
stern tube
cylindrical member
propeller shaft
seal assembly
tube seal
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
Application number
JP2491383U
Other languages
Japanese (ja)
Inventor
曽禰　正夫
宮崎　仁吾
八鍬　忠
典夫 林
久志 吉田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Railway Technical Research Institute
Original Assignee
Railway Technical Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Railway Technical Research Institute filed Critical Railway Technical Research Institute
Priority to JP2491383U priority Critical patent/JPS59129699U/en
Publication of JPS59129699U publication Critical patent/JPS59129699U/en
Pending legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の船尾管シール組立体の縦断面図、第２図
は本考案の船尾管シール組立体の縦断面図である。 図において、１・・・・・・磁石組立体、２・・・・・
・ポールリング、４・・・・・・筒状部材、５・・・・
・・プロペラ軸、７・・・・・・薄膜隔壁、８・・・・
・・磁性流体、９・・・・・・シールリング、１２・・
・・・・船尾管、１３・・・・・・海水、である。FIG. 1 is a longitudinal sectional view of a conventional stern tube seal assembly, and FIG. 2 is a longitudinal sectional view of the stern tube seal assembly of the present invention. In the figure, 1... Magnet assembly, 2...
・Pole ring, 4...Cylindrical member, 5...
...Propeller shaft, 7... Thin film partition, 8...
...Magnetic fluid, 9... Seal ring, 12...
... Stern tube, 13 ... Seawater.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）プロペラ軸を軸支する軸受と海水との間に配置さ
れる船尾管シール組立体にして、 プロペラ軸に固定保持された磁性材料の筒状部材と、 船尾管に固定保持され、かつ前記筒状部材が貫通する孔
を有する非磁性材料のハウジングと、該ハウジングに保
持され、前記プロペラ軸をシールする磁性流体シール装
置とを有し、前記磁性流体シール装置は、プロペラ軸の
軸線方向に互に間隔をあけて配置され、かつ前記筒状部
材の外表面との間に微少な環状ギャップを形成する１対
のポールリングと、該ポールリングの間に配置された磁
石組立体と、前記ポールリング内に穿設された通路を通
って供給されて前記環状ギャップに充満する磁性流体と
、ポールリングの軸方向前後面として液状媒体に接する
部分に取付けられた弾性材料からなる薄膜環状隔壁とか
ら構成されており、 前記薄膜環状隔壁は前記プロペラ軸筒状部材の外周表面
との間に微小な隙間をもつ円形のプロペラ軸貫量孔を有
し、プロペラ軸が回転するときに、磁性流体が液体媒体
中へ拡散することを防止している船尾管シール組立体。(1) A stern tube seal assembly disposed between a bearing that pivotally supports the propeller shaft and the seawater, which includes a cylindrical member made of a magnetic material fixedly held on the propeller shaft, a cylindrical member fixedly held on the stern tube, and The cylindrical member has a housing made of a non-magnetic material having a hole through which the cylindrical member passes, and a magnetic fluid sealing device that is held in the housing and seals the propeller shaft. a pair of pole rings arranged at intervals from each other and forming a minute annular gap with the outer surface of the cylindrical member; and a magnet assembly arranged between the pole rings; a magnetic fluid supplied through a passage bored in the pole ring and filling the annular gap; and a thin film annular partition made of an elastic material attached to the front and rear surfaces of the pole ring in contact with the liquid medium. The thin film annular partition wall has a circular propeller shaft penetration hole with a minute gap between it and the outer peripheral surface of the propeller shaft cylindrical member, and when the propeller shaft rotates, magnetic A stern tube seal assembly that prevents fluid from dispersing into the liquid medium. （２）実用新案登録請求の範囲第１項に記載の船尾管シ
ール組立体において、前記薄膜隔壁がゴム、プラスチッ
クなどの弾性材料からなっている組立体。(2) Utility Model Registration The stern tube seal assembly according to claim 1, wherein the thin film partition is made of an elastic material such as rubber or plastic. （３）実用新案登録請求の範囲第１項または第２項に記
載の船尾管シール組立体において、前記薄膜隔壁が磁性
体の粉末６を含有していることを特徴とする組立体。(3) Utility Model Registration The stern tube seal assembly according to claim 1 or 2, wherein the thin film partition contains magnetic powder 6. （４）実用新案登録請求の範囲第１項から第３項までの
いずれか１項に記載の船尾管シール組立体において、前
記磁性流体シール装置よりも軸方向海水側において前記
ハウジングに取付けられていて、前記プロペラ軸筒状部
材に当接する環状リップ部を備えた弾性材料からなるパ
ツキン部材をさらに有している組立体。(4) Scope of Utility Model Registration Claims In the stern tube seal assembly according to any one of claims 1 to 3, the stern tube seal assembly is attached to the housing on the seawater side in the axial direction relative to the magnetic fluid seal device. The assembly further includes a packing member made of an elastic material and having an annular lip portion that contacts the propeller shaft cylindrical member.
JP2491383U 1983-02-22 1983-02-22 Stern tube seal assembly Pending JPS59129699U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2491383U JPS59129699U (en) 1983-02-22 1983-02-22 Stern tube seal assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2491383U JPS59129699U (en) 1983-02-22 1983-02-22 Stern tube seal assembly

Publications (1)

Publication Number Publication Date
JPS59129699U true JPS59129699U (en) 1984-08-31

Family

ID=30155925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2491383U Pending JPS59129699U (en) 1983-02-22 1983-02-22 Stern tube seal assembly

Country Status (1)

Country Link
JP (1) JPS59129699U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62177366A (en) * 1986-01-30 1987-08-04 Tech Res Assoc Highly Reliab Marine Propul Plant Magnetic fluid shaft seal device for liquid
JPH01255766A (en) * 1988-03-10 1989-10-12 Carl Freudenberg:Fa Packing for magnetizable shaft
WO2011036920A1 (en) * 2009-09-24 2011-03-31 イーグル工業株式会社 Sealing device
CN102345626A (en) * 2010-07-28 2012-02-08 龚祺允 Magnetic fluid sealing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62177366A (en) * 1986-01-30 1987-08-04 Tech Res Assoc Highly Reliab Marine Propul Plant Magnetic fluid shaft seal device for liquid
JPH01255766A (en) * 1988-03-10 1989-10-12 Carl Freudenberg:Fa Packing for magnetizable shaft
WO2011036920A1 (en) * 2009-09-24 2011-03-31 イーグル工業株式会社 Sealing device
JPWO2011036920A1 (en) * 2009-09-24 2013-02-14 イーグル工業株式会社 Sealing device
CN102345626A (en) * 2010-07-28 2012-02-08 龚祺允 Magnetic fluid sealing device

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