NL7705853A - SEAL. - Google Patents

SEAL.

Info

Publication number: NL7705853A
Authority: NL; Netherlands
Prior art keywords: seal
Prior art date: 1976-06-26

Application number

NL7705853A

Other languages

Dutch (nl)

Original Assignee

Maschf 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.)

1976-06-26

Filing date

1977-05-27

Publication date

1977-12-28

1977-05-27 Application filed by Maschf Augsburg Nuernberg Ag filed Critical Maschf Augsburg Nuernberg Ag

1977-12-28 Publication of NL7705853A publication Critical patent/NL7705853A/en

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)

NL7705853A 1976-06-26 1977-05-27 SEAL. NL7705853A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19762628831 DE2628831A1 (en)	1976-06-26	1976-06-26	POETRY

Publications (1)

Publication Number	Publication Date
NL7705853A true NL7705853A (en)	1977-12-28

Family

ID=5981554

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7705853A NL7705853A (en)	1976-06-26	1977-05-27	SEAL.

Country Status (9)

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

Families Citing this family (17)

* 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 (en) *	1980-05-23	1982-05-27	Kraftwerk Union AG, 4330 Mülheim	Generator rotor, especially turbo generator rotor, with superconducting excitation winding
US4357022A (en) *	1980-11-19	1982-11-02	Ferrofluidics Corporation	Ferrofluid rotary-shaft seal apparatus and method
JPS5828159U (en) *	1981-08-18	1983-02-23	日本精工株式会社	Magnetic fluid seal device
JPS5836602A (en) *	1981-08-28	1983-03-03	Hitachi Ltd	Recovering method for sublimable gas
US4407518A (en) *	1983-01-05	1983-10-04	Ferrofluidics Corporation	Nonbursting multiple-stage ferrofluid seal and system
GB8322056D0 (en) *	1983-08-16	1983-09-21	Atomic Energy Authority Uk	Magnetic field seal
JPS61270520A (en) *	1986-04-30	1986-11-29	Matsushita Electric Ind Co Ltd	Bearing device of rotary shaft
DE3922356A1 (en) *	1989-07-07	1991-01-17	Freudenberg Carl Fa	FERROFLUID SEAL FOR A SHAFT
DE9307447U1 (en) *	1993-05-17	1993-07-22	Friatec-Rheinhütte GmbH & Co., 6200 Wiesbaden	Vertical magnetic coupling pump or stirrer
DE29606679U1 (en) *	1996-04-12	1997-08-14	Feodor Burgmann Dichtungswerke GmbH & Co, 82515 Wolfratshausen	Ferrofluid seal
DE102006051992B3 (en) *	2006-11-03	2008-01-31	Dtg - Development & Technology Gmbh	Magnetic fluid seal for sealing of shaft or axle against hub, has magnet with rubber elastic material with two radial projections and magnetic poles of different polarity are formed, whose tips are in contact with counter direction position
RU2531070C1 (en) *	2013-04-05	2014-10-20	Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ)	Magnetic liquid seal of shaft with reduced friction torque
RU2725399C1 (en) *	2019-11-22	2020-07-02	федеральное государственное бюджетное образовательное учреждение высшего образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ)	Magneto-liquid seal of shaft with reduced friction moment
CN114396507A (en) *	2022-01-14	2022-04-26	重庆川仪调节阀有限公司	Device and method for conducting filler plugging by using magnetic fluid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1007372A (en) *	1948-12-23	1952-05-05		Sealing device
FR1119965A (en) *	1954-03-05	1956-06-27	Thomson Houston Comp Francaise	Improved seals for rotating shafts and other moving parts
US3740060A (en) *	1971-11-03	1973-06-19	Avco Corp	A shaft seal
DE2247953A1 (en) *	1972-09-29	1974-04-11	Brueckner Apparatebau Gmbh	DEVICE FOR SEALING A GAP

1976
- 1976-06-26 DE DE19762628831 patent/DE2628831A1/en not_active Ceased
1977
- 1977-05-18 AT AT358277A patent/AT357836B/en not_active IP Right Cessation
- 1977-05-19 IT IT2376077A patent/IT1082068B/en active
- 1977-05-26 CH CH650177A patent/CH622596A5/en not_active IP Right Cessation
- 1977-05-27 NL NL7705853A patent/NL7705853A/en not_active Application Discontinuation
- 1977-06-03 FR FR7717018A patent/FR2356066A1/en active Granted
- 1977-06-09 JP JP6836477A patent/JPS531750A/en active Pending
- 1977-06-22 SE SE7707257A patent/SE7707257L/en not_active Application Discontinuation
- 1977-06-24 GB GB2654277A patent/GB1575145A/en not_active Expired

Also Published As

Publication number	Publication date
IT1082068B (en)	1985-05-21
CH622596A5 (en)	1981-04-15
JPS531750A (en)	1978-01-10
GB1575145A (en)	1980-09-17
AT357836B (en)	1980-08-11
SE7707257L (en)	1977-12-27
DE2628831A1 (en)	1978-01-05
FR2356066B1 (en)	1983-05-06
FR2356066A1 (en)	1978-01-20
ATA358277A (en)	1979-12-15

Legal Events

Date	Code	Title	Description
1983-06-01	BC	A request for examination has been filed
1985-01-02	BV	The patent application has lapsed

Publication	Publication Date	Title
NL7701118A (en)	1977-08-11	SEALING DEVICE.
BE860027A (en)	1978-04-24	SEAL
NL183671C (en)	1988-12-16	SEALANT.
NL7711344A (en)	1978-04-20	SEAL.
SE7603754L (en)	1977-09-30	SEALING LIST
SE7605337L (en)	1977-11-12	SEALING
NL7705853A (en)	1977-12-28	SEAL.
NL7701758A (en)	1977-07-29	SEALING SYSTEM.
NL183102C (en)	1988-07-18	FIRE-RESISTANT SEAL.
NL7701230A (en)	1977-08-08	SEALING DEVICE.
NL7704878A (en)	1977-11-07	SEAL.
NL7709065A (en)	1978-02-21	SEALING SYSTEM.
NL7705369A (en)	1977-11-21	SEALING FOIL.
NL7613077A (en)	1977-08-02	COMBINED SEALING PATH.
NL167333C (en)	1981-12-16	GASKET ELEMENT.
NO160023C (en)	1989-03-01	RADIAL-oil seal.
NL7711374A (en)	1978-04-21	SEAL CAP.
NL7708351A (en)	1978-01-31	FITTING.
SE7714657L (en)	1978-06-28	SEAL
NL7706102A (en)	1977-12-13	SEALING ASSEMBLY.
NL187409C (en)	1991-09-16	NECK SEAL.
NL7706816A (en)	1977-12-28	MOVABLE SEALING CONSTRUCTIONS.
DK138827B (en)	1978-11-06	Narresut.
ES223709Y (en)	1977-11-16	COLGATE SEAL.
NL7704865A (en)	1977-11-16	SEALING DEVICE.