DE29606679U1 - Ferrofluid-Dichtung - Google Patents

Ferrofluid-Dichtung

Info

Publication number
DE29606679U1
DE29606679U1 DE29606679U DE29606679U DE29606679U1 DE 29606679 U1 DE29606679 U1 DE 29606679U1 DE 29606679 U DE29606679 U DE 29606679U DE 29606679 U DE29606679 U DE 29606679U DE 29606679 U1 DE29606679 U1 DE 29606679U1
Authority
DE
Germany
Prior art keywords
ferrofluid 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 - Lifetime
Application number
DE29606679U
Other languages
English (en)
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.)
Burgmann Grundstuecksverwaltungs GmbH and Co KG
Original Assignee
Feodor Burgmann Dichtungswerke GmbH and Co
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 Feodor Burgmann Dichtungswerke GmbH and Co filed Critical Feodor Burgmann Dichtungswerke GmbH and Co
Priority to DE29606679U priority Critical patent/DE29606679U1/de
Publication of DE29606679U1 publication Critical patent/DE29606679U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
DE29606679U 1996-04-12 1996-04-12 Ferrofluid-Dichtung Expired - Lifetime DE29606679U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29606679U DE29606679U1 (de) 1996-04-12 1996-04-12 Ferrofluid-Dichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29606679U DE29606679U1 (de) 1996-04-12 1996-04-12 Ferrofluid-Dichtung

Publications (1)

Publication Number Publication Date
DE29606679U1 true DE29606679U1 (de) 1997-08-14

Family

ID=8022493

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29606679U Expired - Lifetime DE29606679U1 (de) 1996-04-12 1996-04-12 Ferrofluid-Dichtung

Country Status (1)

Country Link
DE (1) DE29606679U1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005047741A3 (de) * 2003-10-29 2005-08-11 Allweiler Ag Vorrichtung und verfahren zum führen zumindest zweier strömungsmittel
DE102005045958A1 (de) * 2005-09-26 2006-11-16 Siemens Ag Gleitlageranordnung
US7674089B2 (en) 2003-10-29 2010-03-09 Allweiler Ag Device and method for guiding at least two flow media
CN1875211B (zh) * 2003-10-29 2010-06-02 奥尔韦勒公司 引导至少两种流动介质的装置和方法
CZ301769B6 (cs) * 2009-03-24 2010-06-16 Západoceská Univerzita V Plzni Ferokapalinová ucpávka

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628831A1 (de) * 1976-06-26 1978-01-05 Maschf Augsburg Nuernberg Ag Dichtung
US4526379A (en) * 1984-01-09 1985-07-02 Ferrofluidics Corporation Stabilized ferrofluid-ferrofluid seal apparatus and method
US4671679A (en) * 1986-05-05 1987-06-09 Mechanical Technology Incorporated Magnetic fluid devices such as magnetic fluid bearings, seals, and the like and an automatic magnetic fluid supply control system therefor
DD279050A1 (de) * 1988-12-29 1990-05-23 Pumpen & Verdichter Veb K Mehrstufige selbstaktivierende magnetfluessigkeitsdichtung
DE3922356A1 (de) * 1989-07-07 1991-01-17 Freudenberg Carl Fa Ferrofluiddichtung fuer eine welle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628831A1 (de) * 1976-06-26 1978-01-05 Maschf Augsburg Nuernberg Ag Dichtung
US4526379A (en) * 1984-01-09 1985-07-02 Ferrofluidics Corporation Stabilized ferrofluid-ferrofluid seal apparatus and method
US4671679A (en) * 1986-05-05 1987-06-09 Mechanical Technology Incorporated Magnetic fluid devices such as magnetic fluid bearings, seals, and the like and an automatic magnetic fluid supply control system therefor
DD279050A1 (de) * 1988-12-29 1990-05-23 Pumpen & Verdichter Veb K Mehrstufige selbstaktivierende magnetfluessigkeitsdichtung
DE3922356A1 (de) * 1989-07-07 1991-01-17 Freudenberg Carl Fa Ferrofluiddichtung fuer eine welle

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
62-177368 A., M-660,Jan.20,1988,Vol.12,No. 18 *
JP Patents Abstracts of Japan: 62- 72966 A., M-621,Sep. 2,1987,Vol.11,No.269 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005047741A3 (de) * 2003-10-29 2005-08-11 Allweiler Ag Vorrichtung und verfahren zum führen zumindest zweier strömungsmittel
US7674089B2 (en) 2003-10-29 2010-03-09 Allweiler Ag Device and method for guiding at least two flow media
CN1875211B (zh) * 2003-10-29 2010-06-02 奥尔韦勒公司 引导至少两种流动介质的装置和方法
DE102005045958A1 (de) * 2005-09-26 2006-11-16 Siemens Ag Gleitlageranordnung
CZ301769B6 (cs) * 2009-03-24 2010-06-16 Západoceská Univerzita V Plzni Ferokapalinová ucpávka

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 19970925

R150 Term of protection extended to 6 years

Effective date: 19990722

R157 Lapse of ip right after 6 years

Effective date: 20021031