JPS58137667A - 磁性流体シ−ル - Google Patents

磁性流体シ−ル

Info

Publication number
JPS58137667A
JPS58137667A JP57018841A JP1884182A JPS58137667A JP S58137667 A JPS58137667 A JP S58137667A JP 57018841 A JP57018841 A JP 57018841A JP 1884182 A JP1884182 A JP 1884182A JP S58137667 A JPS58137667 A JP S58137667A
Authority
JP
Japan
Prior art keywords
seal
dynamic pressure
seal ring
magnetic fluid
ring
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
Application number
JP57018841A
Other languages
English (en)
Japanese (ja)
Other versions
JPH025952B2 (enExample
Inventor
Kyosaburo Furumura
恭三郎 古村
Yasuo Murakami
保夫 村上
Hiromi Sugi
杉　博美
Hiromitsu Asai
拡光 浅井
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.)
NSK Ltd
Original Assignee
NSK Ltd
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 NSK Ltd filed Critical NSK Ltd
Priority to JP57018841A priority Critical patent/JPS58137667A/ja
Priority to US06/463,572 priority patent/US4486026A/en
Priority to DE19833304623 priority patent/DE3304623A1/de
Publication of JPS58137667A publication Critical patent/JPS58137667A/ja
Priority to US06/625,046 priority patent/US4598914A/en
Publication of JPH025952B2 publication Critical patent/JPH025952B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Of Bearings (AREA)
JP57018841A 1982-02-10 1982-02-10 磁性流体シ−ル Granted JPS58137667A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57018841A JPS58137667A (ja) 1982-02-10 1982-02-10 磁性流体シ−ル
US06/463,572 US4486026A (en) 1982-02-10 1983-02-03 Sealing and bearing means by use of ferrofluid
DE19833304623 DE3304623A1 (de) 1982-02-10 1983-02-10 Dichtungs- und lageranordnung unter verwendung von ferrofluid
US06/625,046 US4598914A (en) 1982-02-10 1984-06-27 Sealing and bearing means by use of ferrofluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57018841A JPS58137667A (ja) 1982-02-10 1982-02-10 磁性流体シ−ル

Publications (2)

Publication Number Publication Date
JPS58137667A true JPS58137667A (ja) 1983-08-16
JPH025952B2 JPH025952B2 (enExample) 1990-02-06

Family

ID=11982780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57018841A Granted JPS58137667A (ja) 1982-02-10 1982-02-10 磁性流体シ−ル

Country Status (1)

Country Link
JP (1) JPS58137667A (enExample)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02236067A (ja) * 1989-03-03 1990-09-18 Nippon Pillar Packing Co Ltd 端面非接触形メカニカルシール
JPH0396469U (enExample) * 1990-01-23 1991-10-02
JP2005180652A (ja) * 2003-12-22 2005-07-07 Eagle Ind Co Ltd 摺動部品
JP2007025388A (ja) * 2005-07-19 2007-02-01 Fuji Xerox Co Ltd 画像形成装置
JP2018138796A (ja) * 2017-02-24 2018-09-06 株式会社クボタ メカニカルシール
WO2020171102A1 (ja) * 2019-02-21 2020-08-27 イーグル工業株式会社 摺動部品
US11608897B2 (en) 2018-08-01 2023-03-21 Eagle Industry Co., Ltd. Slide component
US11815184B2 (en) 2018-11-30 2023-11-14 Eagle Industry Co., Ltd. Sliding component
US11821462B2 (en) 2018-08-24 2023-11-21 Eagle Industry Co., Ltd. Sliding member
US11821521B2 (en) 2018-12-21 2023-11-21 Eagle Industry Co., Ltd. Sliding component
US11892081B2 (en) 2019-07-26 2024-02-06 Eagle Industry Co., Ltd. Sliding component
US11933405B2 (en) 2019-02-14 2024-03-19 Eagle Industry Co., Ltd. Sliding component
US12007027B2 (en) 2019-04-24 2024-06-11 Eagle Industry Co., Ltd. Sliding component
US12018757B2 (en) 2019-02-04 2024-06-25 Eagle Industry Co., Ltd. Sliding components
US12152631B2 (en) 2018-10-24 2024-11-26 Eagle Industry Co., Ltd. Sliding member
US12188516B2 (en) 2020-06-02 2025-01-07 Eagle Industry Co., Ltd. Sliding component
US12247666B2 (en) 2021-03-12 2025-03-11 Eagle Industry Co., Ltd. Sliding component
US12276338B2 (en) 2020-06-02 2025-04-15 Eagle Industry Co., Ltd. Sliding component
US12379031B2 (en) 2018-10-01 2025-08-05 Eagle Industry Co., Ltd. Sliding member
US12404936B2 (en) 2021-09-28 2025-09-02 Eagle Indusry Co., Ltd. Sliding component
US12473946B2 (en) 2021-07-13 2025-11-18 Eagle Industry Co., Ltd. Sliding components

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02236067A (ja) * 1989-03-03 1990-09-18 Nippon Pillar Packing Co Ltd 端面非接触形メカニカルシール
JPH0396469U (enExample) * 1990-01-23 1991-10-02
JP2005180652A (ja) * 2003-12-22 2005-07-07 Eagle Ind Co Ltd 摺動部品
JP2007025388A (ja) * 2005-07-19 2007-02-01 Fuji Xerox Co Ltd 画像形成装置
JP2018138796A (ja) * 2017-02-24 2018-09-06 株式会社クボタ メカニカルシール
US11608897B2 (en) 2018-08-01 2023-03-21 Eagle Industry Co., Ltd. Slide component
US11821462B2 (en) 2018-08-24 2023-11-21 Eagle Industry Co., Ltd. Sliding member
US12379031B2 (en) 2018-10-01 2025-08-05 Eagle Industry Co., Ltd. Sliding member
US12152631B2 (en) 2018-10-24 2024-11-26 Eagle Industry Co., Ltd. Sliding member
US11815184B2 (en) 2018-11-30 2023-11-14 Eagle Industry Co., Ltd. Sliding component
US11821521B2 (en) 2018-12-21 2023-11-21 Eagle Industry Co., Ltd. Sliding component
US12018757B2 (en) 2019-02-04 2024-06-25 Eagle Industry Co., Ltd. Sliding components
US11933405B2 (en) 2019-02-14 2024-03-19 Eagle Industry Co., Ltd. Sliding component
US12013040B2 (en) 2019-02-21 2024-06-18 Eagle Industry Co., Ltd. Sliding components
JPWO2020171102A1 (ja) * 2019-02-21 2021-12-16 イーグル工業株式会社 摺動部品
WO2020171102A1 (ja) * 2019-02-21 2020-08-27 イーグル工業株式会社 摺動部品
US12007027B2 (en) 2019-04-24 2024-06-11 Eagle Industry Co., Ltd. Sliding component
US11892081B2 (en) 2019-07-26 2024-02-06 Eagle Industry Co., Ltd. Sliding component
US12188516B2 (en) 2020-06-02 2025-01-07 Eagle Industry Co., Ltd. Sliding component
US12276338B2 (en) 2020-06-02 2025-04-15 Eagle Industry Co., Ltd. Sliding component
US12247666B2 (en) 2021-03-12 2025-03-11 Eagle Industry Co., Ltd. Sliding component
US12473946B2 (en) 2021-07-13 2025-11-18 Eagle Industry Co., Ltd. Sliding components
US12404936B2 (en) 2021-09-28 2025-09-02 Eagle Indusry Co., Ltd. Sliding component

Also Published As

Publication number Publication date
JPH025952B2 (enExample) 1990-02-06

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