IT1058228B - Perfezionamento nelle strutture di supporto a cuscinetti per organi mobili in particolare per teste trasduttrici di registratori magnetici per televisione - Google Patents
Perfezionamento nelle strutture di supporto a cuscinetti per organi mobili in particolare per teste trasduttrici di registratori magnetici per televisioneInfo
- Publication number
- IT1058228B IT1058228B IT49190/76A IT4919076A IT1058228B IT 1058228 B IT1058228 B IT 1058228B IT 49190/76 A IT49190/76 A IT 49190/76A IT 4919076 A IT4919076 A IT 4919076A IT 1058228 B IT1058228 B IT 1058228B
- Authority
- IT
- Italy
- Prior art keywords
- television
- improvement
- bearing support
- support structures
- mobile parts
- Prior art date
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
- F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
- F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/107—Grooves for generating pressure
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
- F16C33/741—Sealings of sliding-contact bearings by means of a fluid
- F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
- F16C33/746—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by a magnetic field
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/584,270 US4043612A (en) | 1975-06-06 | 1975-06-06 | Bearing structure |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1058228B true IT1058228B (it) | 1982-04-10 |
Family
ID=24336632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49190/76A IT1058228B (it) | 1975-06-06 | 1976-04-26 | Perfezionamento nelle strutture di supporto a cuscinetti per organi mobili in particolare per teste trasduttrici di registratori magnetici per televisione |
Country Status (9)
Country | Link |
---|---|
US (1) | US4043612A (it) |
JP (1) | JPS51148139A (it) |
BE (1) | BE841923A (it) |
CA (1) | CA1050594A (it) |
DE (1) | DE2624586C2 (it) |
FR (1) | FR2313592A1 (it) |
GB (1) | GB1550423A (it) |
IT (1) | IT1058228B (it) |
NL (1) | NL181677C (it) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2616132C3 (de) * | 1976-04-13 | 1979-06-21 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Gaslager für schnell rotierende TeUe |
GB1524662A (en) * | 1977-03-24 | 1978-09-13 | Univ Southampton | Agnetic disc stores |
NL7713634A (nl) * | 1977-12-09 | 1979-06-12 | Philips Nv | Roentgenbuis met draaianode. |
JPS54102445A (en) * | 1978-01-27 | 1979-08-11 | Matsushita Electric Ind Co Ltd | Fluid bearing revolving apparatus |
JPS5527550A (en) * | 1978-08-16 | 1980-02-27 | Matsushita Electric Ind Co Ltd | Bearing device |
JPS5530528A (en) * | 1978-08-22 | 1980-03-04 | Matsushita Electric Ind Co Ltd | Bearing device |
JPS6027095B2 (ja) * | 1979-07-18 | 1985-06-27 | 松下電器産業株式会社 | 回転ヘッド・アセンブリ |
US4645960A (en) * | 1979-07-30 | 1987-02-24 | Litton Systems, Inc. | Ferro-fluid bearing |
IL60597A0 (en) * | 1979-07-30 | 1980-09-16 | Litton Systems Inc | Ferro-fluid bearing |
JPS5843421A (ja) * | 1981-09-09 | 1983-03-14 | Toshiba Corp | 回転鏡光偏向器 |
US4487514A (en) * | 1981-09-29 | 1984-12-11 | Tokyo Shibaura Denki Kabushiki Kaisha | Motor |
DE3141841A1 (de) * | 1981-10-22 | 1983-05-05 | Brown, Boveri & Cie Ag, 6800 Mannheim | "zentrier- und fangvorrichtung fuer beruehrungslos gelagerte rotoren" |
JPS58137617A (ja) * | 1982-02-10 | 1983-08-16 | Nippon Seiko Kk | 回転軸支承体 |
US4523800A (en) * | 1982-07-20 | 1985-06-18 | Tokyo Shibaura Denki Kabushiki Kaisha | Polygonal mirror optical deflector |
JPS5917019A (ja) * | 1982-07-20 | 1984-01-28 | Toshiba Corp | 回転体支持装置 |
US4526484A (en) * | 1983-09-21 | 1985-07-02 | Ferrofluidics Corporation | Ferrofluid thrust and radial bearing assembly |
DE3439081A1 (de) * | 1983-10-27 | 1985-06-13 | Ferrofluidics Corp., Nashua, N.H. | Ferrofluiddichtung |
US4726693A (en) * | 1984-10-05 | 1988-02-23 | Hewlett-Packard Company | Precision hydrodynamic bearing |
NL8601017A (nl) * | 1986-04-21 | 1987-11-16 | Skf Ind Trading & Dev | Wentellager. |
US4717266A (en) * | 1986-06-12 | 1988-01-05 | Spectra-Physics, Inc. | Low friction ferrofluid bearing arrangement |
US4694213A (en) * | 1986-11-21 | 1987-09-15 | Ferrofluidics Corporation | Ferrofluid seal for a stationary shaft and a rotating hub |
JP2516967B2 (ja) * | 1987-04-30 | 1996-07-24 | 松下電器産業株式会社 | 軸受装置 |
US5238254A (en) * | 1987-07-17 | 1993-08-24 | Koyo Seiko Co., Ltd. | Ferrofluid seal apparatus |
US5112142A (en) * | 1987-08-12 | 1992-05-12 | Digital Equipment Corporation | Hydrodynamic bearing |
US4795275A (en) * | 1987-08-12 | 1989-01-03 | Digital Equipment Corporation | Hydrodynamic bearing |
JPH01279113A (ja) * | 1988-04-30 | 1989-11-09 | Nippon Ferrofluidics Kk | 真空装置用の軸受装置 |
US5173797A (en) * | 1990-05-08 | 1992-12-22 | Xerox Corporation | Rotating mirror optical scanner with grooved grease bearings |
US5142952A (en) * | 1990-05-21 | 1992-09-01 | Snap-On Tools Corporation | Ratchet tool |
DE4035694C2 (de) * | 1990-11-09 | 1995-05-04 | Siemens Ag | Fangvorrichtung für eine in einem entsprechenden Lager berührungslos gelagerte Rotorwelle |
AU664603B2 (en) * | 1992-01-24 | 1995-11-23 | Chester S. Hajec | Disk spindle motor |
US5323076A (en) * | 1992-01-24 | 1994-06-21 | Hajec Chester S | Disk spindle motor |
US5254893A (en) * | 1992-01-30 | 1993-10-19 | Ide Russell D | Shaft support assembly for use in a polygon mirror drive motor |
US5161900A (en) * | 1992-04-10 | 1992-11-10 | International Business Machines, Corp. | Self-contained low power fluid bearing and bearing seal |
US5559651A (en) * | 1995-04-12 | 1996-09-24 | Seagate Technology, Inc. | Magnetic disc storage system with hydrodynamic bearing |
KR100213877B1 (ko) * | 1996-10-29 | 1999-08-02 | 윤종용 | 원추베어링 장치 |
KR100213878B1 (ko) * | 1996-10-30 | 1999-08-02 | 윤종용 | 유체 베어링 장치 |
KR200162040Y1 (ko) * | 1996-11-13 | 1999-12-01 | 윤종용 | 레이저스캐닝장치의 반구형 베어링구조 |
WO1998028550A1 (en) * | 1996-12-20 | 1998-07-02 | Seagate Technology, Inc. | Conical hydrodynamic bearing with two independent circulation paths |
DE19781854T1 (de) * | 1997-04-24 | 1999-07-08 | Seagate Technology | An beiden Enden offenes fluiddynamisches Lager mit einem Radiallager in Verbindung mit einem konischen Lager |
US6148501A (en) * | 1998-04-14 | 2000-11-21 | Seagate Technology Llc | Fabrication means for in-hub spindle with separate fluid dynamic bearings |
US5997119A (en) * | 1998-08-28 | 1999-12-07 | Eastman Kodak Company | Magnetic arrangement for printhead positioning in an image processing apparatus |
US6695480B1 (en) | 1999-07-13 | 2004-02-24 | A.W. Chesterton Co. | Opposed flow seal/bearing assembly |
WO2001004503A1 (en) * | 1999-07-13 | 2001-01-18 | A.W. Chesterton Co. | Opposed flow seal/bearing assembly |
DE10238558A1 (de) * | 2002-03-12 | 2003-10-16 | Minebea Co Ltd | Hydrodynamisches Lager für einen Spindelmotor |
DE10240634B4 (de) * | 2002-03-12 | 2007-07-19 | Minebea Co., Ltd. | Hydrodynamisches Lager für einen Spindelmotor |
US20030190100A1 (en) * | 2002-04-05 | 2003-10-09 | Grantz Alan L. | Radial capillary seal for fluid dynamic bearing motors |
US7956499B2 (en) * | 2005-06-02 | 2011-06-07 | Seagate Technology Llc | Motor magnetic force attenuator |
CN101799075A (zh) * | 2010-04-12 | 2010-08-11 | 北京交通大学 | 一种旋转轴组合密封装置 |
CN107327488B (zh) * | 2017-08-29 | 2023-03-28 | 南京磁谷科技有限公司 | 一种用于倾斜磁轴承中磁极的安装座 |
CN112049934B (zh) * | 2020-08-14 | 2022-04-01 | 湖南山瑞重工科技有限公司 | 一种用于重型锤式破碎机的轴承端封机构 |
DE102023109356A1 (de) | 2022-07-18 | 2024-01-18 | Prominent Gmbh | Antriebseinheit für eine Motordosierpumpe |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB869200A (en) * | 1958-01-13 | 1961-05-31 | Bristol Siddeley Engines Ltd | Improvements in and relating to gas bearings |
NL6617168A (it) * | 1966-12-07 | 1968-06-10 | ||
NL151477B (nl) * | 1967-03-31 | 1976-11-15 | Philips Nv | Hydrodynamisch glijleger voor het opnemen van axiale en radiale belastingen. |
US3746407A (en) * | 1971-08-13 | 1973-07-17 | Litton Systems Inc | Ferrohydrodynamic low friction bearing |
US3834775A (en) * | 1972-05-26 | 1974-09-10 | Litton Systems Inc | Ferrohydrodynamic low-friction bearing with improved volume compensation and fluid seal |
DE2239624B2 (de) * | 1972-08-11 | 1975-11-27 | Dornier System Gmbh, 7990 Friedrichshafen | Axialgleitlager für eine in einer Drehrichtung laufende Welle |
DE2260080C3 (de) * | 1972-12-08 | 1981-08-27 | Litton Industries, Inc., 90210 Beverly Hills, Calif. | Gleitlager mit magnetisierbarem Schmiermittel |
-
1975
- 1975-06-06 US US05/584,270 patent/US4043612A/en not_active Expired - Lifetime
-
1976
- 1976-04-13 CA CA250,146A patent/CA1050594A/en not_active Expired
- 1976-04-26 IT IT49190/76A patent/IT1058228B/it active
- 1976-04-28 GB GB17371/76A patent/GB1550423A/en not_active Expired
- 1976-04-30 JP JP51049811A patent/JPS51148139A/ja active Pending
- 1976-05-03 NL NLAANVRAGE7604691,A patent/NL181677C/xx not_active IP Right Cessation
- 1976-05-17 BE BE167106A patent/BE841923A/xx not_active IP Right Cessation
- 1976-06-01 DE DE2624586A patent/DE2624586C2/de not_active Expired
- 1976-06-04 FR FR7616953A patent/FR2313592A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2624586C2 (de) | 1982-07-15 |
GB1550423A (en) | 1979-08-15 |
DE2624586A1 (de) | 1976-12-09 |
NL181677C (nl) | 1987-10-01 |
US4043612A (en) | 1977-08-23 |
BE841923A (fr) | 1976-09-16 |
NL7604691A (nl) | 1976-12-08 |
NL181677B (nl) | 1987-05-04 |
JPS51148139A (en) | 1976-12-20 |
CA1050594A (en) | 1979-03-13 |
FR2313592A1 (fr) | 1976-12-31 |
FR2313592B1 (it) | 1983-04-01 |
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