AU4749400A - Device for sealing an annular gap - Google Patents

Device for sealing an annular gap

Info

Publication number
AU4749400A
AU4749400A AU47494/00A AU4749400A AU4749400A AU 4749400 A AU4749400 A AU 4749400A AU 47494/00 A AU47494/00 A AU 47494/00A AU 4749400 A AU4749400 A AU 4749400A AU 4749400 A AU4749400 A AU 4749400A
Authority
AU
Australia
Prior art keywords
sealing
annular gap
annular
gap
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.)
Abandoned
Application number
AU47494/00A
Inventor
Norbert Buske
Johannes Muller
Werner Neumann
Peter Nusser
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.)
Berlin Heart GmbH
Original Assignee
MEDIPORT KARDIOTECHNIK GmbH
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 MEDIPORT KARDIOTECHNIK GmbH filed Critical MEDIPORT KARDIOTECHNIK GmbH
Publication of AU4749400A publication Critical patent/AU4749400A/en
Abandoned 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)
AU47494/00A 1999-04-20 2000-04-19 Device for sealing an annular gap Abandoned AU4749400A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1999118839 DE19918839A1 (en) 1999-04-20 1999-04-20 Device for sealing an annular gap
DE19918839 1999-04-20
PCT/EP2000/003559 WO2000063595A2 (en) 1999-04-20 2000-04-19 Device for sealing an annular gap

Publications (1)

Publication Number Publication Date
AU4749400A true AU4749400A (en) 2000-11-02

Family

ID=7905858

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47494/00A Abandoned AU4749400A (en) 1999-04-20 2000-04-19 Device for sealing an annular gap

Country Status (3)

Country Link
AU (1) AU4749400A (en)
DE (2) DE19918839A1 (en)
WO (1) WO2000063595A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9476277B2 (en) 2010-10-09 2016-10-25 M-I L.L.C. Magnetic leak management apparatus and methods
CN108662149A (en) * 2018-06-06 2018-10-16 安徽普氏生态环境工程有限公司 A kind of magnetic sealing structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851880C (en) * 1948-12-23 1952-10-09 Adolf Dr Razdowitz poetry
FR1297265A (en) * 1961-05-17 1962-06-29 New waterproof seal process and device
DE1209822B (en) * 1962-11-20 1966-01-27 Alsacienne Atom Device for tightly inserting a filter disc between the ends of two pipes
AT277686B (en) * 1965-04-09 1970-01-12 Ife Ges Fuer Maschinen Und App Gap seal
DE1956759C3 (en) * 1969-11-12 1974-06-12 Dornier System Gmbh, 7990 Friedrichshafen Gap seal between a surface and a body that is movable relative to this surface and forms a closed interior space with the surface and has a sealing strip opposite the surface
US4171818A (en) * 1977-04-04 1979-10-23 Ferrofluidics Corporation Dynamic lip seal using ferrofluids as sealant/lubricant
SU675248A1 (en) 1978-03-23 1979-07-25 Georgij A Lekomtsev Magnet-liquid seal
US4830384A (en) * 1987-06-29 1989-05-16 Ferrofluidics Corporation Compact long-life magnetic fluid seal
JPH0198765A (en) * 1987-10-06 1989-04-17 Mitsubishi Electric Corp Magnetic sealed device
AU4863093A (en) * 1992-10-08 1994-04-21 Ferrofluidics Corporation Ferrofluidic seal centering ring
US5660397A (en) * 1994-09-23 1997-08-26 Holtkamp; William H. Devices employing a liquid-free medium

Also Published As

Publication number Publication date
WO2000063595A3 (en) 2001-04-26
DE19918839A1 (en) 2000-11-30
WO2000063595A2 (en) 2000-10-26
DE20007579U1 (en) 2000-09-28

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase