DE69615162D1 - Dynamisches rillenlager mit v-förmiger ölsperre - Google Patents

Dynamisches rillenlager mit v-förmiger ölsperre

Info

Publication number
DE69615162D1
DE69615162D1 DE69615162T DE69615162T DE69615162D1 DE 69615162 D1 DE69615162 D1 DE 69615162D1 DE 69615162 T DE69615162 T DE 69615162T DE 69615162 T DE69615162 T DE 69615162T DE 69615162 D1 DE69615162 D1 DE 69615162D1
Authority
DE
Germany
Prior art keywords
bearing
gap
obtuse angle
annular recess
angle beta
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
DE69615162T
Other languages
English (en)
Other versions
DE69615162T2 (de
Inventor
Nicolaas Dekker
Cornelis Rikkelman
Willem Potze
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69615162D1 publication Critical patent/DE69615162D1/de
Application granted granted Critical
Publication of DE69615162T2 publication Critical patent/DE69615162T2/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
    • 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
    • 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
    • F16C17/107—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 surface for radial load and at least one surface for axial load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
DE69615162T 1995-12-22 1996-12-04 Dynamisches rillenlager mit v-förmiger ölsperre Expired - Fee Related DE69615162T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203614 1995-12-22
PCT/IB1996/001345 WO1997023735A1 (en) 1995-12-22 1996-12-04 Dynamic groove bearing with v-shaped oil barrier groove

Publications (2)

Publication Number Publication Date
DE69615162D1 true DE69615162D1 (de) 2001-10-18
DE69615162T2 DE69615162T2 (de) 2002-06-27

Family

ID=8221000

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615162T Expired - Fee Related DE69615162T2 (de) 1995-12-22 1996-12-04 Dynamisches rillenlager mit v-förmiger ölsperre

Country Status (6)

Country Link
US (1) US5765952A (de)
EP (1) EP0812394B1 (de)
JP (1) JP3933692B2 (de)
DE (1) DE69615162T2 (de)
MY (1) MY132542A (de)
WO (1) WO1997023735A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3811553B2 (ja) * 1997-09-05 2006-08-23 株式会社ジェイテクト 流体軸受
US6196722B1 (en) * 1998-01-13 2001-03-06 Matsushita Electric Industrial Co., Ltd. Hydrodynamic bearing
JP3462982B2 (ja) * 1998-03-16 2003-11-05 日本電産株式会社 動圧流体軸受装置及び電動機
JP2001082458A (ja) * 1999-09-08 2001-03-27 Koyo Seiko Co Ltd 動圧軸受
CN1189676C (zh) * 2000-07-10 2005-02-16 株式会社三协精机制作所 动压轴承装置
US6513979B2 (en) * 2000-08-22 2003-02-04 Ntn Corporation Hydrodynamic oil-impregnated sintered bearing unit
JP4248176B2 (ja) * 2001-12-14 2009-04-02 株式会社ジェイテクト 動圧軸受
DE10200089A1 (de) * 2002-01-03 2003-07-24 Minebea Co Ltd Hydrodynamische Lageranordnung für einen Spindelmotor
GB0202841D0 (en) * 2002-02-07 2002-03-27 Johnson Electric Sa Blower motor
DE10239650B3 (de) * 2002-08-29 2004-03-11 Minebea Co., Ltd. Hydrodynamisches Lagersystem
US7296932B2 (en) * 2003-01-20 2007-11-20 Minebea Co. Ltd Fluid dynamic bearing having an acute-angled shaft recess
JP4056416B2 (ja) * 2003-03-24 2008-03-05 日本電産株式会社 動圧軸受及びこれを用いたスピンドルモータ並びにこのスピンドルモータを備えたディスク駆動装置
JP2005155689A (ja) * 2003-11-21 2005-06-16 Matsushita Electric Ind Co Ltd 流体軸受装置
JP4274476B2 (ja) * 2004-08-31 2009-06-10 ミネベア株式会社 流体動圧軸受及び該流体動圧軸受を備えたスピンドルモータ、記録ディスク駆動装置
DE102005030424A1 (de) * 2005-06-30 2007-01-04 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Anordnung und Verfahren zur Anordnung eines Pumpenlagers in/an Kühlmittelpumpengehäusen aus Kunststoff
JP2007170641A (ja) * 2005-12-26 2007-07-05 Matsushita Electric Ind Co Ltd 流体軸受装置およびその製造方法、スピンドルモータおよび記録再生装置
JP5306086B2 (ja) * 2009-07-13 2013-10-02 サムスン電機ジャパンアドバンスドテクノロジー株式会社 ディスク駆動装置
DE102009037519A1 (de) * 2009-08-17 2011-02-24 Minebea Co., Ltd. Fluiddynamisches Lagersystem
KR101119350B1 (ko) * 2010-05-17 2012-03-06 삼성전기주식회사 스핀들모터

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850321A (ja) * 1981-09-18 1983-03-24 Matsushita Electric Ind Co Ltd 軸受装置
US5112142A (en) * 1987-08-12 1992-05-12 Digital Equipment Corporation Hydrodynamic bearing
JP2506836B2 (ja) * 1987-11-02 1996-06-12 松下電器産業株式会社 動圧型流体軸受装置
JP2870057B2 (ja) * 1989-11-07 1999-03-10 日本精工株式会社 動圧軸受装置
JP2605981Y2 (ja) * 1992-09-18 2000-09-04 光洋精工株式会社 動圧軸受装置
JPH06178492A (ja) * 1992-12-07 1994-06-24 Nippon Densan Corp スピンドルモータ
US5457588A (en) * 1992-09-22 1995-10-10 Nippon Densan Corporation Low profile hydrodynamic motor having minimum leakage properties
US5423612A (en) * 1994-09-16 1995-06-13 Quantum Corp. Hydrodynamic bearing and seal
EP0770188A4 (de) * 1995-05-09 1999-12-01 Quantum Corp Vorrichtung und verfahren zum aufbringen einer schicht die das säubern eines hydrodynamischen lagers erleichtert und enthaltende dichtungsstruktur
US5536088A (en) * 1995-06-07 1996-07-16 Synektron Corporation Fluid bearings for electronic spindle motors

Also Published As

Publication number Publication date
JP3933692B2 (ja) 2007-06-20
DE69615162T2 (de) 2002-06-27
US5765952A (en) 1998-06-16
WO1997023735A1 (en) 1997-07-03
MY132542A (en) 2007-10-31
EP0812394B1 (de) 2001-09-12
JPH11501112A (ja) 1999-01-26
EP0812394A1 (de) 1997-12-17

Similar Documents

Publication Publication Date Title
DE69615162D1 (de) Dynamisches rillenlager mit v-förmiger ölsperre
MY132359A (en) Dynamic groove bearing with a lubricant barrier
US5036235A (en) Brushless DC motor having a stable hydrodynamic bearing system
US5729404A (en) Disc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to ground
PT876662E (pt) Fabricacao de um disco optico para armazenamento de dados
EP1085507A3 (de) Verfahren zum Zuteilen von Adressinformationen eines Aufzeichnungsmediums
US6467963B2 (en) Fluid bearing equipment
US6357916B2 (en) Hydrodynamic bearing device
KR850008392A (ko) 스크롤 유체기계
US6394654B1 (en) Antiwear lubrication coating for bearing surfaces for hydrodynamic fluid bearings
KR20020015977A (ko) 동압형 베어링 유닛
US6157515A (en) Texturing of herringbone air and fluid bearings
AU574069B2 (en) Optical recording case
US4844479A (en) Structure of a gland packing box
DE69924597D1 (de) Dynamisches rillenlager mit porösem schmiermittelbehälter
US7147377B2 (en) Crush ring to seal the counter plate on hydrodynamic bearing
MY122635A (en) Spindle motor unit having hydrodynamic bearing
JPS6318827Y2 (de)
KR100564604B1 (ko) 디스크 드라이브용 스핀들모터
JPH0726612Y2 (ja) 軸封装置
JPH0280817A (ja) 流体軸受装置
JPS6311384Y2 (de)
KR100211881B1 (ko) 헤드드럼 조립체
KR19980050101U (ko) 헤드드럼 조립체
KR100213271B1 (ko) 헤드드럼 조립체

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee