KR970016193A - 입자 트랩을 갖는 베어링 - Google Patents

입자 트랩을 갖는 베어링 Download PDF

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Publication number
KR970016193A
KR970016193A KR1019960038601A KR19960038601A KR970016193A KR 970016193 A KR970016193 A KR 970016193A KR 1019960038601 A KR1019960038601 A KR 1019960038601A KR 19960038601 A KR19960038601 A KR 19960038601A KR 970016193 A KR970016193 A KR 970016193A
Authority
KR
South Korea
Prior art keywords
bushing
shaft
sleeve
hydrodynamic bearing
lubricant
Prior art date
Application number
KR1019960038601A
Other languages
English (en)
Inventor
폴츠 에와리스트 제트
디. 윌리암스 칼
Original Assignee
데이빗 비. 해리슨
퀀텀 코포레이션
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 데이빗 비. 해리슨, 퀀텀 코포레이션 filed Critical 데이빗 비. 해리슨
Publication of KR970016193A publication Critical patent/KR970016193A/ko

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
    • 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
    • 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
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

본 발명은 샤프트를 저널링하는 회전 가능 부싱과 부싱의 대향 단부에 있는 샤프트 상의 스러스트 판을 포함하는 샤프트를 저널링하는 동수력 베어링에 관한 것이다. 부싱은 원통형 슬리브에 내장된다. 윤활제는 담는 간극 공간은 샤프트와 부싱과 슬리브와 스러스트 판 사이에 형성된다. 부싱과 슬리브 사이의 슬리브 내의 내부 방사상 챔버는 윤활제를 저장하며 이물질 입자를 수집한다. 부싱을 통한 방사상 통로는 저널 베어링과 샤프트와 스러스트 판 사이의 윤활제 유동을 제공한다.

Description

입자 트랩을 갖는 베어링
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 제1도의 선 3-3을 따른 단면도.

Claims (5)

  1. 샤프트를 저널링하기 위한 동수력 베어링에 있어서, 슬리브 내에 지지되어 상기 샤프트를 저널링하는 부싱과 상기 부싱의 대향단부에 있는 상기 샤프트 상의 스러스트 판을 포함하며, 상기 부싱과 샤프트와 스러스트 판은 사이에 윤활제를 유지하기 위한 간극공간을 한정하며, 상기 슬리브 및 부싱은 사이의 입자 수집 윤활제 저장 채널을 한정하며,상기 부싱은 상기 간극 공간에 입자가 없는 윤활제를 공급하기 위해 상기 간극 공간과 상기 채널 사이의 포트를 한정하는 것을 특징으로 하는 동수력 베어링.
  2. 제1항에 있어서, 상기 슬리브와 상기 부싱 사이에 축방향 연장 압력 평형 통로를 또한 포함하는 것을 특징으로 하는 동수력 베어링.
  3. 원통형 슬리브 내에 둘러싸인 원통형 부싱과 상기 부싱 내에 저널링되어 상기 부싱의 보다 작은 내부면에 대해 윤활제로 충전된 간극 공간을 형성하는 외부면을 갖는 저널을 포함하는 샤프트를 포함하는 동수력 베어링 및 샤프트 조립체에 있어서, 상기 슬리브는 상기 슬리브와 상기 부싱 사이의 내주 채널을 한정하며, 상기 부싱은 상기 채널 및 상기 샤프트와 연통된 방사상 포트를 한정하는 것을 특징으로 하는 동수력 베어링 및 샤프트 조립체.
  4. 제2항에 있어서, 상기 채널의 면은 이물질 입자를 유지하도록 거친 것을 특징으로 하는 동수력 베어링.
  5. 제3항에 있어서, 상기 슬리브와 상기 부싱 사이의 압력 평형 통로를 또한 포함하는 것을 특징으로 하는 동수력 베어링 및 샤프트 조립체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960038601A 1995-09-07 1996-09-06 입자 트랩을 갖는 베어링 KR970016193A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/525,298 1995-09-07
US08/525,298 US5580175A (en) 1995-09-07 1995-09-07 Bearing with particle trap

Publications (1)

Publication Number Publication Date
KR970016193A true KR970016193A (ko) 1997-04-28

Family

ID=24092682

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960038601A KR970016193A (ko) 1995-09-07 1996-09-06 입자 트랩을 갖는 베어링

Country Status (6)

Country Link
US (1) US5580175A (ko)
EP (1) EP0791762B1 (ko)
JP (1) JPH09112545A (ko)
KR (1) KR970016193A (ko)
DE (1) DE69612607T2 (ko)
SG (1) SG44052A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100457468B1 (ko) * 2002-11-27 2004-11-17 손진호 밀폐식 액압 베어링 장치

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5839833A (en) * 1996-03-26 1998-11-24 Quantum Corporation Hydrodynamic bearing having lubricant particle traps
GB2330181B (en) * 1997-04-23 2001-04-11 Seagate Technology Both ends open fluid dynamic bearing with multiple thrust plates
JP3549367B2 (ja) * 1997-06-10 2004-08-04 日本電産株式会社 動圧流体軸受装置及び電動機
JP3579258B2 (ja) * 1998-06-18 2004-10-20 日本電産株式会社 モータおよびその製造方法
US6095302A (en) * 1999-03-31 2000-08-01 China Hua Yang Rolling Bearing Co. One way clutch bearing
JP2004108465A (ja) * 2002-09-18 2004-04-08 Riraiaru:Kk 動圧軸受装置の製造方法および組立治具
GB2409008A (en) * 2003-12-10 2005-06-15 Echlin Do Brasil Ind E Com Ltd A hydrodynamic bearing arrangement for a rotatable shaft
JP4633388B2 (ja) * 2004-05-26 2011-02-16 Ｎｔｎ株式会社 動圧軸受装置
US20070172162A1 (en) * 2006-01-23 2007-07-26 Sonicedge Industries Corporation Bearing structure
US8876386B2 (en) * 2006-03-02 2014-11-04 Ntn Corporation Fluid dynamic bearing device
WO2007142062A1 (ja) * 2006-06-07 2007-12-13 Ntn Corporation 流体軸受装置、およびその製造方法
TWI784568B (zh) * 2021-06-11 2022-11-21 東培工業股份有限公司 雙切邊動壓軸承結構

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GB268034A (en) * 1925-12-24 1927-03-24 Frederick Leonard Ball Improvements in or relating to bearings
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JPS60104814A (ja) * 1983-11-14 1985-06-10 N D C Kk すべり軸受の自己潤滑構造
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100457468B1 (ko) * 2002-11-27 2004-11-17 손진호 밀폐식 액압 베어링 장치

Also Published As

Publication number Publication date
DE69612607D1 (de) 2001-05-31
JPH09112545A (ja) 1997-05-02
US5580175A (en) 1996-12-03
EP0791762A2 (en) 1997-08-27
SG44052A1 (en) 1997-11-14
EP0791762A3 (en) 1998-12-09
EP0791762B1 (en) 2001-04-25
DE69612607T2 (de) 2001-08-09

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