DE8708440U1 - Magnetische Flüssigkeitsdichtung - Google Patents

Magnetische Flüssigkeitsdichtung

Info

Publication number
DE8708440U1
DE8708440U1 DE8708440U DE8708440U DE8708440U1 DE 8708440 U1 DE8708440 U1 DE 8708440U1 DE 8708440 U DE8708440 U DE 8708440U DE 8708440 U DE8708440 U DE 8708440U DE 8708440 U1 DE8708440 U1 DE 8708440U1
Authority
DE
Germany
Prior art keywords
axially
pole
seal
seal according
magnetic
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
DE8708440U
Other languages
German (de)
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.)
Ebm Papst St Georgen GmbH and Co KG
Original Assignee
Papst Motoren GmbH and Co KG
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 Papst Motoren GmbH and Co KG filed Critical Papst Motoren GmbH and Co KG
Publication of DE8708440U1 publication Critical patent/DE8708440U1/de
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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
DE8708440U 1986-06-24 1987-06-16 Magnetische Flüssigkeitsdichtung Expired DE8708440U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH253886A CH676740A5 (enrdf_load_stackoverflow) 1986-06-24 1986-06-24

Publications (1)

Publication Number Publication Date
DE8708440U1 true DE8708440U1 (de) 1987-09-03

Family

ID=4236046

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8708440U Expired DE8708440U1 (de) 1986-06-24 1987-06-16 Magnetische Flüssigkeitsdichtung
DE19873720024 Ceased DE3720024A1 (de) 1986-06-24 1987-06-16 Anordnung fuer eine magnetische fluessigkeitsdichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19873720024 Ceased DE3720024A1 (de) 1986-06-24 1987-06-16 Anordnung fuer eine magnetische fluessigkeitsdichtung

Country Status (3)

Country Link
CH (1) CH676740A5 (enrdf_load_stackoverflow)
DE (2) DE8708440U1 (enrdf_load_stackoverflow)
GB (1) GB2192676B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014014770A1 (de) * 2014-10-10 2016-04-14 Sew-Eurodrive Gmbh & Co Kg Elektromotor mit einem Stator und Rotor
EP3026766B1 (de) 2014-11-17 2023-12-20 Agro Ag Rohreinführung für eine unterputzdose

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924434A1 (de) * 1989-07-24 1991-01-31 Freudenberg Carl Fa Ferrofluid-dichtung
DE4411367A1 (de) * 1994-03-31 1995-10-05 Burgmann Dichtungswerk Feodor Spalttopfgedichtete magnetische Antriebseinrichtung
DE102019218446A1 (de) * 2019-11-28 2021-06-02 Volkswagen Aktiengesellschaft Elektromaschine mit reibungsarmer Luftspaltabdichtung und Kraftfahrzeug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH293219A (de) * 1948-12-23 1953-09-15 Adolph Dr Razdowitz Dichtungsvorrichtung an zwei relativ zueinander drehbaren Hohlkörpern.
JPS57208358A (en) * 1981-06-15 1982-12-21 Rigaku Denki Kk Shaft sealing device using magnetic fluid
JPS5950275A (ja) * 1982-09-16 1984-03-23 Rigaku Keisoku Kk 磁性流体軸封装置
US4526380A (en) * 1984-01-27 1985-07-02 Ferrofluidics Corporation Single pole piece multiple-stage ferrofluid seal apparatus
US4526382A (en) * 1984-05-03 1985-07-02 Ferrofluidics Corporation Radially polarized multiple-stage ferrofluid seal apparatus
JPS61160672A (ja) * 1984-11-20 1986-07-21 フエロフルイデイクス・コ−ポレイシヨン 磁性流体シ−ル装置およびシ−ル方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014014770A1 (de) * 2014-10-10 2016-04-14 Sew-Eurodrive Gmbh & Co Kg Elektromotor mit einem Stator und Rotor
DE102014014770B4 (de) * 2014-10-10 2016-10-27 Sew-Eurodrive Gmbh & Co Kg Elektromotor mit einem Stator und Rotor
EP3026766B1 (de) 2014-11-17 2023-12-20 Agro Ag Rohreinführung für eine unterputzdose

Also Published As

Publication number Publication date
GB2192676B (en) 1991-07-31
CH676740A5 (enrdf_load_stackoverflow) 1991-02-28
GB2192676A (en) 1988-01-20
DE3720024A1 (de) 1988-01-07
GB8714376D0 (en) 1987-07-22

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