FR2554189B3 - Dispositif composite de palier a ferrofluide comportant un joint d'etancheite en ferrofluide - Google Patents

Dispositif composite de palier a ferrofluide comportant un joint d'etancheite en ferrofluide

Info

Publication number
FR2554189B3
FR2554189B3 FR8416376A FR8416376A FR2554189B3 FR 2554189 B3 FR2554189 B3 FR 2554189B3 FR 8416376 A FR8416376 A FR 8416376A FR 8416376 A FR8416376 A FR 8416376A FR 2554189 B3 FR2554189 B3 FR 2554189B3
Authority
FR
France
Prior art keywords
ferrofluid
composite
bearing device
seal
ferrofluid 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.)
Expired
Application number
FR8416376A
Other languages
English (en)
Other versions
FR2554189A1 (fr
Inventor
Philip Stahl
Donald F Wilcock
Dudley D Fuller
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.)
Ferrofluidics Corp
Original Assignee
Ferrofluidics Corp
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 Ferrofluidics Corp filed Critical Ferrofluidics Corp
Publication of FR2554189A1 publication Critical patent/FR2554189A1/fr
Application granted granted Critical
Publication of FR2554189B3 publication Critical patent/FR2554189B3/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • F16C33/741—Sealings of sliding-contact bearings by means of a fluid
    • F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
    • F16C33/746—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by a magnetic field

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Of Bearings (AREA)
FR8416376A 1983-10-27 1984-10-26 Dispositif composite de palier a ferrofluide comportant un joint d'etancheite en ferrofluide Expired FR2554189B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54587583A 1983-10-27 1983-10-27

Publications (2)

Publication Number Publication Date
FR2554189A1 FR2554189A1 (fr) 1985-05-03
FR2554189B3 true FR2554189B3 (fr) 1986-02-14

Family

ID=24177899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8416376A Expired FR2554189B3 (fr) 1983-10-27 1984-10-26 Dispositif composite de palier a ferrofluide comportant un joint d'etancheite en ferrofluide

Country Status (5)

Country Link
JP (1) JPS60192116A (fr)
CA (1) CA1247180A (fr)
DE (1) DE3439081A1 (fr)
FR (1) FR2554189B3 (fr)
GB (1) GB2149027B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717266A (en) * 1986-06-12 1988-01-05 Spectra-Physics, Inc. Low friction ferrofluid bearing arrangement
GB2222680B (en) * 1988-03-15 1991-09-11 Baroid Technology Inc Accelerometers
JP2804506B2 (ja) * 1989-04-17 1998-09-30 株式会社日立製作所 磁気デイスク装置および軸受構成体
JP3099033B2 (ja) * 1992-01-30 2000-10-16 株式会社荏原製作所 軸受装置
NL9320055A (nl) * 1993-02-09 1995-12-01 Ebara Corp Legerinrichting.
FR2702257B1 (fr) * 1993-03-04 1995-06-02 Ebara Corp Dispositif à paliers radial et de butée.
DE102005045958A1 (de) * 2005-09-26 2006-11-16 Siemens Ag Gleitlageranordnung
FR2990486A1 (fr) * 2012-05-11 2013-11-15 Peugeot Citroen Automobiles Sa Element de transmission presentant au moins un palier de rotation contenant un lubrifiant ferromagnetique
CN110594288B (zh) * 2019-09-29 2024-03-08 中国矿业大学 一种基于纳米磁性液体的磁控柔性瓦块推力滑动轴承
CN111692209B (zh) * 2020-05-25 2021-06-15 南京航空航天大学 基于极端浸润界面的磁流体可控支撑微型平台及制作方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413118A (en) * 1972-12-08 1975-11-05 Godsill J K Lubrication
US3918773A (en) * 1974-01-07 1975-11-11 Litton Systems Inc Magnetic field responsive hydrodynamic bearing
US4043612A (en) * 1975-06-06 1977-08-23 Ampex Corporation Bearing structure

Also Published As

Publication number Publication date
GB2149027B (en) 1987-06-24
FR2554189A1 (fr) 1985-05-03
CA1247180A (fr) 1988-12-20
DE3439081A1 (de) 1985-06-13
JPS60192116A (ja) 1985-09-30
GB2149027A (en) 1985-06-05
GB8427113D0 (en) 1984-12-05

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