ES2050858T3 - Junta ferrofluida para un eje. - Google Patents
Junta ferrofluida para un eje.Info
- Publication number
- ES2050858T3 ES2050858T3 ES90103435T ES90103435T ES2050858T3 ES 2050858 T3 ES2050858 T3 ES 2050858T3 ES 90103435 T ES90103435 T ES 90103435T ES 90103435 T ES90103435 T ES 90103435T ES 2050858 T3 ES2050858 T3 ES 2050858T3
- Authority
- ES
- Spain
- Prior art keywords
- shaft
- ferrofluid
- bore
- holes
- joint
- 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
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)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
CIERRE DE FERROFLUIDO PARA UN EJE (1) COMPRENDIENDO VARIAS HENDIDURAS DE CIERRE (3) CONSECUTIVAS CONCENTRICAMENTE, QUE SE LLENAN POR UN ORIFICIO (5) CON LIQUIDO FERROFLUIDO. CADA ORIFICIO (5) SE CIERRA HIDRAULICAMENTE POR SEPARADO DE LOS OTROS ORIFICIOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3922356A DE3922356A1 (de) | 1989-07-07 | 1989-07-07 | Ferrofluiddichtung fuer eine welle |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2050858T3 true ES2050858T3 (es) | 1994-06-01 |
Family
ID=6384485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90103435T Expired - Lifetime ES2050858T3 (es) | 1989-07-07 | 1990-02-22 | Junta ferrofluida para un eje. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5092611A (es) |
EP (1) | EP0406520B1 (es) |
JP (1) | JP2557132B2 (es) |
AT (1) | ATE104409T1 (es) |
CA (1) | CA2020094A1 (es) |
DE (2) | DE3922356A1 (es) |
ES (1) | ES2050858T3 (es) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4100166A1 (de) * | 1991-01-05 | 1992-07-09 | Freudenberg Carl Fa | Druckregulierendes ent- und belueftungsventil |
US5323688A (en) * | 1992-03-05 | 1994-06-28 | Walker Frank H | Hydraulic regenerative braking and four wheel drive system |
DE4208472A1 (de) * | 1992-03-17 | 1993-09-23 | Mtu Muenchen Gmbh | Einrichtung zur abdichtung eines spaltes zwischen winkelversetzt und fest oder relativ zueinander beweglich angeordneten bauteilen |
US5474302A (en) * | 1992-08-27 | 1995-12-12 | Ferrofluidics Corporation | On-site fillable ferrofluidic seal |
US5806856A (en) * | 1992-08-27 | 1998-09-15 | Ferrofluidics Corporation | On-site fillable liquid magnetic seal |
US5367416A (en) * | 1992-12-31 | 1994-11-22 | International Business Machines Corporation | Spindle grounding device using magnetic fluid |
US5794487A (en) * | 1995-07-10 | 1998-08-18 | Smart Machines | Drive system for a robotic arm |
DE29606679U1 (de) * | 1996-04-12 | 1997-08-14 | Feodor Burgmann Dichtungswerke GmbH & Co, 82515 Wolfratshausen | Ferrofluid-Dichtung |
US5954342A (en) * | 1997-04-25 | 1999-09-21 | Mfs Technology Ltd | Magnetic fluid seal apparatus for a rotary shaft |
JP4073064B2 (ja) * | 1997-12-02 | 2008-04-09 | 株式会社リガク | 耐磁場磁性流体シール装置 |
US6899338B2 (en) * | 2003-03-06 | 2005-05-31 | Ferrotec Usa Corporation | Ferrofluid seal incorporating multiple types of ferrofluid |
US7291287B2 (en) * | 2005-05-25 | 2007-11-06 | Ferrolabs, Inc. | Method of making magnetic fluid |
JP4885490B2 (ja) * | 2005-06-30 | 2012-02-29 | 株式会社リガク | 磁性流体シール装置 |
US7129609B1 (en) | 2005-08-30 | 2006-10-31 | Ferrolabs, Inc. | Magneto-fluidic seal with wide working temperature range |
JP5346945B2 (ja) * | 2007-10-18 | 2013-11-20 | リガク イノベイティブ テクノロジーズ インコーポレイテッド | 流体量の精密制御を伴う磁性流体シールの製造方法 |
WO2014164426A1 (en) * | 2013-03-13 | 2014-10-09 | United Technologies Corporation | Turbine engine adaptive low leakage air seal |
CN103498939B (zh) * | 2013-08-27 | 2016-02-10 | 北京交通大学 | 一种提高磁性液体密封耐压能力和密封可靠性的密封装置 |
CA2927574C (en) | 2013-12-19 | 2018-03-20 | Halliburton Energy Services, Inc. | Self-assembling packer |
CA2927575C (en) | 2013-12-19 | 2019-03-19 | Halliburton Energy Services, Inc. | Intervention tool for delivering self-assembling repair fluid |
WO2015102561A1 (en) | 2013-12-30 | 2015-07-09 | Halliburton Energy Services, Inc. | Ferrofluid tool for enhancing magnetic fields in a wellbore |
WO2015102563A1 (en) | 2013-12-30 | 2015-07-09 | Halliburtion Energy Services, Inc. | Ferrofluid tool for influencing electrically conductive paths in a wellbore |
WO2015102566A1 (en) | 2013-12-30 | 2015-07-09 | Halliburton Energy Services, Inc. | Ferrofluid tool for isolation of objects in a wellbore |
EP3027851A1 (en) | 2013-12-30 | 2016-06-08 | Halliburton Energy Services, Inc. | Ferrofluid tool for providing modifiable structures in boreholes |
SG11201708149PA (en) | 2015-06-30 | 2017-11-29 | Halliburton Energy Services Inc | Outflow control device for creating a packer |
US11174947B2 (en) | 2019-01-24 | 2021-11-16 | Tsinghua University | Magnetic liquid sealing device having heat conductive rod and heat dissipating jacket |
CN113074254B (zh) * | 2021-04-15 | 2022-08-02 | 西华大学 | 一种用于高温工况的高速磁流体密封装置 |
CN113294525B (zh) * | 2021-05-26 | 2023-12-08 | 安徽普氏生态环境有限公司 | 一种用于含磁液体的复合密封机构 |
CN113639046B (zh) * | 2021-08-16 | 2022-04-12 | 清华大学 | 磁性液体密封装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3740060A (en) * | 1971-11-03 | 1973-06-19 | Avco Corp | A shaft seal |
DE2628831A1 (de) * | 1976-06-26 | 1978-01-05 | Maschf Augsburg Nuernberg Ag | Dichtung |
US4486026A (en) * | 1982-02-10 | 1984-12-04 | Nippon Seiko K.K. | Sealing and bearing means by use of ferrofluid |
JPS58187658A (ja) * | 1982-04-24 | 1983-11-01 | Nippon Telegr & Teleph Corp <Ntt> | 磁性流体真空シ−ル機構 |
JPS5923167A (ja) * | 1982-07-30 | 1984-02-06 | Nec Corp | 磁性流体供給装置 |
JPS60107729A (ja) * | 1983-11-16 | 1985-06-13 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
US4526382A (en) * | 1984-05-03 | 1985-07-02 | Ferrofluidics Corporation | Radially polarized multiple-stage ferrofluid seal apparatus |
US4696481A (en) * | 1985-02-07 | 1987-09-29 | Iversen Arthur H | Liquid cooled ferrofluid-type rotating seals |
JPS61162663U (es) * | 1985-03-29 | 1986-10-08 | ||
JPS62177368A (ja) * | 1986-01-30 | 1987-08-04 | Tech Res Assoc Highly Reliab Marine Propul Plant | 液体用磁性流体軸シ−ル装置 |
JPS62177367A (ja) * | 1986-01-30 | 1987-08-04 | Tech Res Assoc Highly Reliab Marine Propul Plant | 液体用磁性流体軸シ−ル装置 |
JPS62177366A (ja) * | 1986-01-30 | 1987-08-04 | Tech Res Assoc Highly Reliab Marine Propul Plant | 液体用磁性流体軸シ−ル装置 |
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 |
JPS6465883A (en) * | 1987-09-07 | 1989-03-13 | Hitachi Ltd | Apparatus using diamagnetic fluid |
US4865334A (en) * | 1988-11-04 | 1989-09-12 | Ferrofluidics Corporation | Long-life multi-stage ferrofluid seals incorporating a ferrofluid reservoir |
-
1989
- 1989-07-07 DE DE3922356A patent/DE3922356A1/de active Granted
-
1990
- 1990-02-22 AT AT90103435T patent/ATE104409T1/de not_active IP Right Cessation
- 1990-02-22 ES ES90103435T patent/ES2050858T3/es not_active Expired - Lifetime
- 1990-02-22 EP EP90103435A patent/EP0406520B1/de not_active Expired - Lifetime
- 1990-02-22 DE DE59005322T patent/DE59005322D1/de not_active Expired - Lifetime
- 1990-06-20 JP JP2162555A patent/JP2557132B2/ja not_active Expired - Lifetime
- 1990-06-28 CA CA002020094A patent/CA2020094A1/en not_active Abandoned
- 1990-07-05 US US07/548,016 patent/US5092611A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3922356A1 (de) | 1991-01-17 |
EP0406520A3 (en) | 1991-06-12 |
DE59005322D1 (de) | 1994-05-19 |
EP0406520A2 (de) | 1991-01-09 |
JPH0348071A (ja) | 1991-03-01 |
CA2020094A1 (en) | 1991-01-08 |
US5092611A (en) | 1992-03-03 |
DE3922356C2 (es) | 1991-11-07 |
ATE104409T1 (de) | 1994-04-15 |
EP0406520B1 (de) | 1994-04-13 |
JP2557132B2 (ja) | 1996-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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