FI885967A - Flerstegs taetningsanordning med ferrovaetska. - Google Patents

Flerstegs taetningsanordning med ferrovaetska. Download PDF

Info

Publication number
FI885967A
FI885967A FI885967A FI885967A FI885967A FI 885967 A FI885967 A FI 885967A FI 885967 A FI885967 A FI 885967A FI 885967 A FI885967 A FI 885967A FI 885967 A FI885967 A FI 885967A
Authority
FI
Finland
Prior art keywords
taetningsanordning
flerstegs
ferrovaetska
med
taetningsanordning med
Prior art date
Application number
FI885967A
Other languages
English (en)
Inventor
Iris Diesing
Original Assignee
Iris Diesing
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 Iris Diesing filed Critical Iris Diesing
Publication of FI885967A publication Critical patent/FI885967A/fi

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FI885967A 1987-04-23 1988-12-23 Flerstegs taetningsanordning med ferrovaetska. FI885967A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3713567A DE3713567C1 (de) 1987-04-23 1987-04-23 Mehrstufige Dichtungsvorrichtung mit Ferrofluid
PCT/DE1988/000214 WO1988008495A1 (en) 1987-04-23 1988-03-31 Multistage sealing device with ferrofluid

Publications (1)

Publication Number Publication Date
FI885967A true FI885967A (fi) 1988-12-23

Family

ID=6326116

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885967A FI885967A (fi) 1987-04-23 1988-12-23 Flerstegs taetningsanordning med ferrovaetska.

Country Status (5)

Country Link
EP (1) EP0312554A1 (fi)
KR (1) KR900700802A (fi)
DE (1) DE3713567C1 (fi)
FI (1) FI885967A (fi)
WO (1) WO1988008495A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH674887A5 (fi) * 1986-06-10 1990-07-31 Papst Motoren Gmbh & Co Kg
DE3807893C2 (de) * 1988-03-10 1994-02-24 Freudenberg Carl Fa Dichtung für eine magnetisierbare Welle
DE3822198A1 (de) * 1988-04-09 1989-10-19 Lechler Elring Dichtungswerke Magnetische dichtungsvorrichtung
US5134331A (en) * 1990-05-31 1992-07-28 Nippon Densan Corporation Spindle motor
US5975536A (en) * 1997-09-30 1999-11-02 Rigaku/Usa, Inc. Rotary motion feedthrough with rotating magnet system
US7129609B1 (en) 2005-08-30 2006-10-31 Ferrolabs, Inc. Magneto-fluidic seal with wide working temperature range
DE102006051992B3 (de) * 2006-11-03 2008-01-31 Dtg - Development & Technology Gmbh Magnetflüssigkeitsdichtung zur Abdichtung einer Welle oder Achse gegenüber einer Nabe
CN106122285B (zh) * 2016-09-09 2018-03-20 广西科技大学 一种圆锥式磁流体密封装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2034213C3 (de) * 1969-10-10 1985-04-25 Ferrofluidics Corp., Burlington, Mass. Magnetdichtung zur Abdichtung von Dichtungsspalten
US4171818A (en) * 1977-04-04 1979-10-23 Ferrofluidics Corporation Dynamic lip seal using ferrofluids as sealant/lubricant
US4531846A (en) * 1983-12-27 1985-07-30 Ferrofluidics Corporation Compact ferrofluid seal and bearing assembly
US4502700A (en) * 1984-05-03 1985-03-05 Ferrofluidics Corporation Ferrofluid linear seal apparatus
US4526382A (en) * 1984-05-03 1985-07-02 Ferrofluidics Corporation Radially polarized multiple-stage ferrofluid seal apparatus
DE3671790D1 (de) * 1985-07-24 1990-07-12 Hitachi Ltd Dichtungsvorrichtung mit magnetischer fluessigkeit.
DE3644697C1 (de) * 1986-12-30 1988-02-11 Manfred Dipl-Ing Diesing Dichtungsvorrichtung mit Ferrofluid
DE8705884U1 (de) * 1987-04-23 1987-06-19 Diesing, Iris, 7140 Ludwigsburg Mehrstufige Dichtungsvorrichtung mit Ferrofluid

Also Published As

Publication number Publication date
KR900700802A (ko) 1990-08-17
DE3713567C1 (de) 1987-12-03
EP0312554A1 (de) 1989-04-26
WO1988008495A1 (en) 1988-11-03

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: DIESING, IRIS