FR2356066A1 - Joint d'etancheite hermetique - Google Patents

Joint d'etancheite hermetique

Info

Publication number
FR2356066A1
FR2356066A1 FR7717018A FR7717018A FR2356066A1 FR 2356066 A1 FR2356066 A1 FR 2356066A1 FR 7717018 A FR7717018 A FR 7717018A FR 7717018 A FR7717018 A FR 7717018A FR 2356066 A1 FR2356066 A1 FR 2356066A1
Authority
FR
France
Prior art keywords
seal
hermetic seal
degrees
pistons
degree
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.)
Granted
Application number
FR7717018A
Other languages
English (en)
Other versions
FR2356066B1 (fr
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.)
MAN AG
Original Assignee
MAN Maschinenfabrik Augsburg Nuernberg AG
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 MAN Maschinenfabrik Augsburg Nuernberg AG filed Critical MAN Maschinenfabrik Augsburg Nuernberg AG
Publication of FR2356066A1 publication Critical patent/FR2356066A1/fr
Application granted granted Critical
Publication of FR2356066B1 publication Critical patent/FR2356066B1/fr
Granted 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)
  • Gasket Seals (AREA)

Abstract

1 degrés L'invention concerne un joint d'étanchéité hermétique pour des pièces de construction effectuant un déplacement relatif en particulier axial, l'une par rapport à l'autre. 2 degrés Le joint d'étanchéité est caractérisé en ce qu'il comprend un agent d'étanchéité constitué d'un fluide magnétique situé entre les pièces mobiles 10 et 11. 3 degrés Ce joint est en particulier destiné aux pistons de moteurs à combustion.
FR7717018A 1976-06-26 1977-06-03 Joint d'etancheite hermetique Granted FR2356066A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762628831 DE2628831A1 (de) 1976-06-26 1976-06-26 Dichtung

Publications (2)

Publication Number Publication Date
FR2356066A1 true FR2356066A1 (fr) 1978-01-20
FR2356066B1 FR2356066B1 (fr) 1983-05-06

Family

ID=5981554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717018A Granted FR2356066A1 (fr) 1976-06-26 1977-06-03 Joint d'etancheite hermetique

Country Status (9)

Country Link
JP (1) JPS531750A (fr)
AT (1) AT357836B (fr)
CH (1) CH622596A5 (fr)
DE (1) DE2628831A1 (fr)
FR (1) FR2356066A1 (fr)
GB (1) GB1575145A (fr)
IT (1) IT1082068B (fr)
NL (1) NL7705853A (fr)
SE (1) SE7707257L (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0113694A2 (fr) * 1983-01-05 1984-07-18 Ferrofluidics Corporation Joint à ferrofluide non crevant à plusieurs étages et système de joint
RU2531070C1 (ru) * 2013-04-05 2014-10-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ) Магнитожидкостное уплотнение вала с пониженным моментом трения
RU2725399C1 (ru) * 2019-11-22 2020-07-02 федеральное государственное бюджетное образовательное учреждение высшего образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ) Магнитожидкостное уплотнение вала с пониженным моментом трения

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293137A (en) * 1978-12-11 1981-10-06 Ezekiel Frederick D Magnetic liquid shaft sealing
US4252353A (en) * 1979-04-26 1981-02-24 Ferrofluidics Corporation Self-activating ferrofluid seals
US4252328A (en) * 1980-05-01 1981-02-24 Ferrofluidics Corporation Self-activating ferrofluid seal and method
DE3019864C2 (de) * 1980-05-23 1982-05-27 Kraftwerk Union AG, 4330 Mülheim Generatorläufer, insbesondere Turbogeneratorläufer, mit supraleitender Erregerwicklung
US4357022A (en) * 1980-11-19 1982-11-02 Ferrofluidics Corporation Ferrofluid rotary-shaft seal apparatus and method
JPS5828159U (ja) * 1981-08-18 1983-02-23 日本精工株式会社 磁性流体シ−ル装置
JPS5836602A (ja) * 1981-08-28 1983-03-03 Hitachi Ltd 昇華性ガスの回収方法
GB8322056D0 (en) * 1983-08-16 1983-09-21 Atomic Energy Authority Uk Magnetic field seal
JPS61270520A (ja) * 1986-04-30 1986-11-29 Matsushita Electric Ind Co Ltd 回転軸の軸受装置
DE3922356A1 (de) * 1989-07-07 1991-01-17 Freudenberg Carl Fa Ferrofluiddichtung fuer eine welle
DE9307447U1 (de) * 1993-05-17 1993-07-22 Friatec-Rheinhütte GmbH & Co., 6200 Wiesbaden Vertikale Magnetkupplungspumpe bzw. -rührer
DE29606679U1 (de) * 1996-04-12 1997-08-14 Feodor Burgmann Dichtungswerke GmbH & Co, 82515 Wolfratshausen Ferrofluid-Dichtung
DE102006051992B3 (de) * 2006-11-03 2008-01-31 Dtg - Development & Technology Gmbh Magnetflüssigkeitsdichtung zur Abdichtung einer Welle oder Achse gegenüber einer Nabe
CN114396507A (zh) * 2022-01-14 2022-04-26 重庆川仪调节阀有限公司 一种利用磁流体进行填料堵漏的装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1007372A (fr) * 1948-12-23 1952-05-05 Dispositif d'étanchéité
FR1119965A (fr) * 1954-03-05 1956-06-27 Thomson Houston Comp Francaise Perfectionnement aux joints d'étanchéité pour les arbres tournants et autres pièces mobiles
US3740060A (en) * 1971-11-03 1973-06-19 Avco Corp A shaft seal
FR2201412A1 (fr) * 1972-09-29 1974-04-26 Brueckner Apparatebau Gmbh

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1007372A (fr) * 1948-12-23 1952-05-05 Dispositif d'étanchéité
FR1119965A (fr) * 1954-03-05 1956-06-27 Thomson Houston Comp Francaise Perfectionnement aux joints d'étanchéité pour les arbres tournants et autres pièces mobiles
US3740060A (en) * 1971-11-03 1973-06-19 Avco Corp A shaft seal
FR2201412A1 (fr) * 1972-09-29 1974-04-26 Brueckner Apparatebau Gmbh

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0113694A2 (fr) * 1983-01-05 1984-07-18 Ferrofluidics Corporation Joint à ferrofluide non crevant à plusieurs étages et système de joint
EP0113694A3 (en) * 1983-01-05 1985-01-16 Ferrofluidics Corporation Nonbursting multiple-stage ferrofluid seal and system
RU2531070C1 (ru) * 2013-04-05 2014-10-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ) Магнитожидкостное уплотнение вала с пониженным моментом трения
RU2725399C1 (ru) * 2019-11-22 2020-07-02 федеральное государственное бюджетное образовательное учреждение высшего образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ) Магнитожидкостное уплотнение вала с пониженным моментом трения

Also Published As

Publication number Publication date
GB1575145A (en) 1980-09-17
FR2356066B1 (fr) 1983-05-06
SE7707257L (sv) 1977-12-27
NL7705853A (nl) 1977-12-28
AT357836B (de) 1980-08-11
ATA358277A (de) 1979-12-15
JPS531750A (en) 1978-01-10
DE2628831A1 (de) 1978-01-05
IT1082068B (it) 1985-05-21
CH622596A5 (en) 1981-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse