DE69116244D1 - Hydrodynamisches Lager - Google Patents

Hydrodynamisches Lager

Info

Publication number
DE69116244D1
DE69116244D1 DE69116244T DE69116244T DE69116244D1 DE 69116244 D1 DE69116244 D1 DE 69116244D1 DE 69116244 T DE69116244 T DE 69116244T DE 69116244 T DE69116244 T DE 69116244T DE 69116244 D1 DE69116244 D1 DE 69116244D1
Authority
DE
Germany
Prior art keywords
hydrodynamic bearing
hydrodynamic
bearing
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 - Fee Related
Application number
DE69116244T
Other languages
English (en)
Other versions
DE69116244T2 (de
Inventor
Tadashi Kataoka
Shunsuke Mimura
Yoichi Kanemitsu
Yoshiyuki Maruta
Tatsuo Hinata
Mamoru Suzuki
Manabu Toshimitsu
Shunichi Aiyoshizawa
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.)
Ebara Corp
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Application granted granted Critical
Publication of DE69116244D1 publication Critical patent/DE69116244D1/de
Publication of DE69116244T2 publication Critical patent/DE69116244T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
    • F16C32/0607—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion the gas being retained in a gap, e.g. squeeze film bearings
    • F16C32/0611—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion the gas being retained in a gap, e.g. squeeze film bearings by means of vibrations
    • 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
    • F16C39/00—Relieving load on bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
DE69116244T 1990-06-27 1991-06-25 Hydrodynamisches Lager Expired - Fee Related DE69116244T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2170664A JPH068647B2 (ja) 1990-06-27 1990-06-27 スラスト動圧軸受の起動・停止装置

Publications (2)

Publication Number Publication Date
DE69116244D1 true DE69116244D1 (de) 1996-02-22
DE69116244T2 DE69116244T2 (de) 1996-07-04

Family

ID=15909088

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116244T Expired - Fee Related DE69116244T2 (de) 1990-06-27 1991-06-25 Hydrodynamisches Lager

Country Status (4)

Country Link
US (1) US5322369A (de)
EP (1) EP0464596B1 (de)
JP (1) JPH068647B2 (de)
DE (1) DE69116244T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5427456A (en) * 1994-04-12 1995-06-27 Synektron Corporation Fluid bearing with asymmetrical groove pattern
JP3396753B2 (ja) * 1997-06-20 2003-04-14 ミネベア株式会社 ブラシレスｄｃモータの軸受け構造
JP3466945B2 (ja) * 1999-01-05 2003-11-17 日本電産株式会社 記録ディスク駆動用モータ及びこれを備えた記録ディスク駆動装置
DE19904420A1 (de) * 1999-02-04 2000-08-10 Pm Dm Gmbh Lageranordnung und Verfahren zum Betrieb einer derartigen Anordnung
US6505968B1 (en) * 1999-04-20 2003-01-14 Jpmorgan Chase Bank System for active stiffness, power, and vibration control in bearings
US6686673B1 (en) * 1999-05-21 2004-02-03 Sumitomo Electric Industries, Ltd. Bearing structures, spindle motor, and hard disk drive
JP2003222124A (ja) 1999-07-14 2003-08-08 Sumitomo Electric Ind Ltd スピンドルモータ
US7016146B2 (en) * 2002-03-12 2006-03-21 Minebea Co., Ltd. Low power spindle motor with a fluid dynamic spool bearing
JP5284020B2 (ja) * 2008-09-16 2013-09-11 株式会社東芝 すべり軸受ユニット及び回転陽極型ｘ線管装置
JP2012512629A (ja) * 2008-12-17 2012-05-31 ディスカバリー テクノロジー インターナショナル，インク． 高トルク圧電モータ
EP2430727A2 (de) * 2009-05-15 2012-03-21 Discovery Technology International, Inc. Elektromotor mit kontaktlosem ultraschalllager

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351393A (en) * 1963-07-10 1967-11-07 United Aircraft Corp Piezoelectric oscillating bearing
US3339421A (en) * 1963-11-14 1967-09-05 Lear Siegler Inc Dynamic gas film supported inertial instrument
US3471205A (en) * 1966-07-05 1969-10-07 Bendix Corp Squeeze film bearings
SU708080A1 (ru) * 1976-05-13 1980-01-05 Shimanovich Moisej A "Газостатическа опора
SU625242A1 (ru) * 1977-04-25 1978-09-25 Вильнюсский Завод Электроизмерительной Техники Опора ведущего вала лентопрот жного механизма
SU877714A2 (ru) * 1980-02-15 1981-10-30 Предприятие П/Я М-5381 Электрическа машина
SU947494A1 (ru) * 1980-10-30 1982-07-30 Каунасский Политехнический Институт Им.Антанаса Снечкуса Гидродинамический ленточный подшипник
US4530021A (en) * 1982-11-26 1985-07-16 International Business Machines Corporation Micromotion release of heads from lubricated magnetic disks
JPS62252569A (ja) * 1986-04-24 1987-11-04 Mitsubishi Electric Corp 磁気記録装置の吸着防止装置
JPS63103645A (ja) * 1986-10-17 1988-05-09 Hitachi Ltd ブラシレスモ−タ
JPS63285329A (ja) * 1987-05-15 1988-11-22 Nippon Telegr & Teleph Corp <Ntt> 電磁制御式動圧軸受
JPS6340624A (ja) * 1987-07-23 1988-02-22 Toyo Seikan Kaisha Ltd ビ−ドつき罐胴の製造方法
JPH02227869A (ja) * 1989-03-01 1990-09-11 Mitsubishi Electric Corp 磁気デイスク装置
US4998033A (en) * 1989-04-12 1991-03-05 Ebara Corporation Gas dynamic bearing for spindle motor

Also Published As

Publication number Publication date
EP0464596B1 (de) 1996-01-10
US5322369A (en) 1994-06-21
EP0464596A1 (de) 1992-01-08
JPH068647B2 (ja) 1994-02-02
JPH0460210A (ja) 1992-02-26
DE69116244T2 (de) 1996-07-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee