JPS62106064U - - Google Patents

Info

Publication number
JPS62106064U
JPS62106064U JP1985197422U JP19742285U JPS62106064U JP S62106064 U JPS62106064 U JP S62106064U JP 1985197422 U JP1985197422 U JP 1985197422U JP 19742285 U JP19742285 U JP 19742285U JP S62106064 U JPS62106064 U JP S62106064U
Authority
JP
Japan
Prior art keywords
seal
shaft
shaft seal
magnetic fluid
gland packing
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
JP1985197422U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1985197422U priority Critical patent/JPS62106064U/ja
Publication of JPS62106064U publication Critical patent/JPS62106064U/ja
Pending legal-status Critical Current

Links

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 Devices (AREA)

Description

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

第１図は本考案の一実施例を示す軸封装置の要
部断面図、第２図及び第３図は正圧時及び負圧時
のそれぞれの作動状態を示す要部説明図、第４図
は従来の立形ポンプの側断面図、第５図及び第６
図は従来のグランドパツキンによるシール機構及
び磁接流体シールのそれぞれの側断面図である。 ２……吐出エルボ、３……ポンプ主軸、４０…
…グランドパツキン、４１ａ，４１ｂ……ヨーク
、４３……軸スリーブ、４４ａ，４４ｂ……磁性
流体供給孔、４７……磁性流体、４８……ポンプ
揚液。 Fig. 1 is a sectional view of the main part of a shaft sealing device showing one embodiment of the present invention, Figs. 2 and 3 are explanatory views of the main part showing the operating states at positive pressure and negative pressure, respectively. The figures are side sectional views of a conventional vertical pump, Figures 5 and 6.
The figures are side sectional views of a conventional sealing mechanism using a gland packing and a magnetic fluid seal. 2...Discharge elbow, 3...Pump main shaft, 40...
...Gland packing, 41a, 41b...Yoke, 43...Shaft sleeve, 44a, 44b...Magnetic fluid supply hole, 47...Magnetic fluid, 48...Pump pump liquid.

Claims (1)

【実用新案登録請求の範囲】 １ ケーシング内に回転自在に支えられた駆動軸
に羽根車等の回転体を取付けた水力機械において
、駆動軸のケーシング貫通部に設けられる軸封装
置をグランドパツキングによるシール機構と磁性
流体シールを並設するように組合わせて構成し、
軸封部が正圧及び負圧を繰り返えす運転状態にお
いても外部から軸封部へ注水することなしに確実
にシールできるようにしたことを特徴とする軸封
装置。 ２ 前記グランドパツキンによるシール機構は、
磁性流体シールの外側に位置するように並設され
ている実用新案登録請求の範囲第１項記載の軸封
装置。[Scope of Claim for Utility Model Registration] 1. In a hydraulic machine in which a rotating body such as an impeller is attached to a drive shaft rotatably supported within a casing, gland packing of a shaft sealing device provided in a casing penetrating portion of the drive shaft The seal mechanism and the magnetic fluid seal are arranged in parallel.
A shaft seal device characterized in that the shaft seal can be reliably sealed without injecting water into the shaft seal from the outside even under operating conditions where the shaft seal repeatedly experiences positive and negative pressure. 2. The sealing mechanism using the gland packing is as follows:
The shaft seal device according to claim 1, which is arranged in parallel so as to be located outside the magnetic fluid seal.
JP1985197422U 1985-12-24 1985-12-24 Pending JPS62106064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985197422U JPS62106064U (en) 1985-12-24 1985-12-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985197422U JPS62106064U (en) 1985-12-24 1985-12-24

Publications (1)

Publication Number Publication Date
JPS62106064U true JPS62106064U (en) 1987-07-07

Family

ID=31157144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985197422U Pending JPS62106064U (en) 1985-12-24 1985-12-24

Country Status (1)

Country Link
JP (1) JPS62106064U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015059869A1 (en) * 2013-10-21 2015-04-30 株式会社デンソー Centrifugal blower

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411455A (en) * 1977-06-29 1979-01-27 Hitachi Ltd Overload protector fixture
JPS58217862A (en) * 1982-06-11 1983-12-17 Aisin Seiki Co Ltd Rod sealing mechanism for stirling engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411455A (en) * 1977-06-29 1979-01-27 Hitachi Ltd Overload protector fixture
JPS58217862A (en) * 1982-06-11 1983-12-17 Aisin Seiki Co Ltd Rod sealing mechanism for stirling engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015059869A1 (en) * 2013-10-21 2015-04-30 株式会社デンソー Centrifugal blower

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