KR100342340B1 - 디스크드라이브에상용가능한첨가제로서주로윤활제를사용하는유압베어링을구비한디스크드라이브스핀들모터 - Google Patents
디스크드라이브에상용가능한첨가제로서주로윤활제를사용하는유압베어링을구비한디스크드라이브스핀들모터 Download PDFInfo
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- KR100342340B1 KR100342340B1 KR1019980703170A KR19980703170A KR100342340B1 KR 100342340 B1 KR100342340 B1 KR 100342340B1 KR 1019980703170 A KR1019980703170 A KR 1019980703170A KR 19980703170 A KR19980703170 A KR 19980703170A KR 100342340 B1 KR100342340 B1 KR 100342340B1
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- lubricant
- data storage
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- 239000000654 additive Substances 0.000 title claims abstract description 27
- 239000000314 lubricant Substances 0.000 title claims description 43
- 125000001145 hydrido group Chemical group *[H] 0.000 title 1
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- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- 150000003077 polyols Chemical class 0.000 description 1
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- 229920002223 polystyrene Polymers 0.000 description 1
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Classifications
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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- 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
- G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
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- C—CHEMISTRY; METALLURGY
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- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
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- C10M105/36—Esters of polycarboxylic acids
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- C10M135/10—Sulfonic acids or derivatives thereof
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- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
- C10M137/04—Phosphate esters
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/50—Medical uses
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- 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
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Lubricants (AREA)
- Motor Or Generator Frames (AREA)
- Rotational Drive Of Disk (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
Description
유체의 화학적 부류 | 이용가능한 VI 범위 |
정제된 파라핀 광물 | 90∼110 |
합성 하이드로카본(폴리알파올레핀) | 120∼170 |
합성 에스테르(디에스테르) | 120∼200 |
합성 에스테르(폴리올) | 115∼200 |
과플루오로폴리에테르 | 90∼320 |
Claims (20)
- 하우징과;중심축과;상기 하우징에 대해 고정되고 상기 중심축과 동축을 이루는 고정 부재와;상기 하우징에 대해 고정된 고정자와;상기 고정 부재에 대해 상기 중심축을 중심으로 회전 가능한 회전형 부재와;상기 회전형 부재에 의해 지지되고 상기 고정자에 자기적으로 결합된 회전자와;상기 회전형 부재에 부착되어 상기 회전형 부재와 동축을 이루는 적어도 하나의 데이터 저장 디스크와;상기 디스크와 통신하기 위해 상기 데이터 저장 디스크에 근접하게 배치된 헤드를 지지하는 액츄에이터와;상기 고정 부재와 상기 회전형 부재를 상호 접속시키며, 적어도 110의 점성률을 갖는 적어도 하나의 기본 유체와 0.25∼3중량% 농도의 산화방지 첨가제 및 0.1∼4중량% 농도의 마모방지 첨가제와의 혼합물로 구성된 윤활제에 의해 분리되는 작업 표면을 갖는 유압 베어링을 포함하며, 상기 산화방지 첨가제는 윤활제의 산화를 감소시키는데 효과적이고, 상기 마모방지 첨가제는 상기 작업 표면의 마모를 감소시키는데 효과적인 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 윤활제 혼합물은 상기 유압 베어링으로부터의 윤활제 방출에 의해 야기되는 헤드와 디스크간의 접착 마찰의 증가를 저지하는데 효과적인 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 윤활제 혼합물은 금속 부식을 감소시키는데 효과적인 0.02∼0.5중량% 농도의 부식방지 첨가제를 추가로 포함하는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 기본 유체는 디에스테르, 폴리올 에스테르, 폴리알파 올레핀, 과플루오로폴리에테르, 미네랄 하이드로카본으로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서, 상기 기본 유체는 디에스테르 및 폴리올 에스테르로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 산화방지 첨가제는 아민, 페놀 및 이들의 혼합물로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 산화방지 첨가제는 아민과 페놀의 혼합물로 구성되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 산화방지 첨가제는 부틸화된 히드록톨루엔, 알킬화된 디페닐 아민 및 페닐 알파 나프틸아민으로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 산화방지 첨가제는 부틸화된 히드록톨루엔, 알킬화된 디페닐 아민 및 페닐 알파 나프틸아민으로 이루어진 군에서 선택된 적어도 2종의 첨가제의 혼합물로 구성되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 윤활제 혼합물은 금속성의 술폰산염, 긴사슬 아민, 카르복실산 유도체, 티아디아졸 유도체, 트리아졸 유도체 및 아민 인산염으로 구성된 군에서 선택되는 부식방지 첨가제를 추가로 포함하는 것을 특징으로 하는 디스크 드라이브 데이터저장 장치.
- 제1항에 있어서,상기 윤활제 혼합물은 합성 칼슘 술폰산염, 광물 칼슘 술폰산염, 합성 바륨 술폰산염, 광물 바륨 술폰산염, 알케닐 숙신산 유도체 및 트리아졸 유도체로 구성된 군에서 선택되는 부식방지 첨가제를 추가로 포함하는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 마모방지 첨가제는 디알킬 디티오인산염, 알킬 디설파이드, 알킬 폴리설파이드, 아릴 디설파이드, 아릴 폴리설파이드, 디티오카르바메이트, 알킬인산의 염, 몰립덴 복합체 및 중성 인산염 에스테르로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 마모방지 첨가제는 트리아릴 인산염 및 트리알킬 인산 염으로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 마모방지 첨가제는 디알킬 디티오인산염, 알킬 디설파이드, 알킬 폴리설파이드, 아릴 디설파이드, 아릴 폴리설파이드, 디티오카르바메이트, 알킬인산의 염, 몰립덴 복합체 및 중성 인산염 에스테르로 구성된 군에서 선택된 적어도 2종의 첨가제로 구성되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 마모방지 첨가제는 아연 디알킬 디티오인산염, 몰립덴디설파이드, 액상아민, 인산염, 프로필화된 트리페닐 인산염 및 부틸화된 트리페닐인산염으로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제1항에 있어서,상기 적어도 하나의 기본 유체는 디에스테르, 폴리올 에스테르 및 폴리알파올레핀으로 구성된 군에서 선택되는 적어도 2종의 기본 유체를 포함하고, 상기 혼합물에서 상기 적어도 2종의 기본 유체는 점성도가 서로 상이한 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 하우징과;중심축과;상기 하우징에 대해 고정되고 상기 중심축과 동축을 이루는 고정 부재와;상기 하우징에 대해 고정된 고정자와;상기 고정 부재에 대해 상기 중심축을 중심으로 회전 가능한 회전형 부재와;상기 회전형 부재에 의해 지지되고 상기 고정자에 자기적으로 결합된 회전자와;상기 회전형 부재에 부착되고 상기 회전형 부재와 동축을 이루는 적어도 하나의 데이터 저장 디스크와;상기 디스크와 통신하기 위해 상기 데이터 저장 디스크에 근접하게 배치된 헤드를 지지하는 액츄에이터와;상기 고정 부재와 상기 회전형 부재를 상호 접속시키며, 적어도 110의 점성률을 갖는 기본 유체와 산화방지 첨가제 및 마모방지 첨가제와의 혼합물로 구성된 윤활제에 의해 분리되는 작업 표면을 갖는 유압 베어링을 포함하며,상기 기본 유체는 디에스테르, 폴리올 에스테르, 폴리알파올레핀, 과플루오로폴리에테르 및 미네랄 하이드로카본으로 구성된 군에서 선택되고;상기 산화방지 첨가제는 아민 및 페놀로 구성된 군에서 선택되며;상기 마모방지 첨가제는 디알킬 디티오인산염, 알킬 디설파이드, 알킬 폴리설파이드, 아릴 디설파이드, 아릴 폴리설파이드, 디티오카르바메이트, 알킬인산의 염, 몰립덴 복합체 및 중성 인산염 에스테르로 구성된 군에서 선택되고;상기 산화방지 첨가제는 상기 기본 유체의 산화를 감소시키는데 효과적이고, 상기 마모방지 첨가제는 상기 작업 표면의 마모를 감소시키는데 효과적인 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제17항에 있어서,상기 윤활제 혼합물에 0.02∼0.5중량% 농도의 부식방지 첨가제를 추가로 포함하며, 상기 부식방지 첨가제는 금속성의 술폰산염, 긴사슬 아민, 카르복실산 유도체, 티아디아졸 유도체, 트리아졸 유도체 및 아민 인산염으로 구성된 군에서 선택되는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제17항에 있어서,상기 산화방지 첨가제는 상기 혼합물에서 0.25∼3중량%의 농도를 갖는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
- 제17항에 있어서,상기 마모방지 첨가제는 상기 혼합물에서 0.1∼4중량%의 농도를 갖는 것을 특징으로 하는 디스크 드라이브 데이터 저장 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US812495P | 1995-10-30 | 1995-10-30 | |
US60/008124 | 1995-10-30 | ||
PCT/US1996/017025 WO1997016827A1 (en) | 1995-10-30 | 1996-10-25 | Disc drive spindle motor having hydro bearing with lubricant optimized with disc drive compatible additives |
Publications (2)
Publication Number | Publication Date |
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KR19990067213A KR19990067213A (ko) | 1999-08-16 |
KR100342340B1 true KR100342340B1 (ko) | 2002-09-18 |
Family
ID=21729916
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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KR1019980703170A Expired - Fee Related KR100342340B1 (ko) | 1995-10-30 | 1996-10-25 | 디스크드라이브에상용가능한첨가제로서주로윤활제를사용하는유압베어링을구비한디스크드라이브스핀들모터 |
KR10-1998-0703172A Expired - Fee Related KR100420061B1 (ko) | 1995-10-30 | 1996-10-25 | 윤활제점성도가최적화된유압베어링을구비한스핀들모터를갖는디스크드라이브데이터저장시스템 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-1998-0703172A Expired - Fee Related KR100420061B1 (ko) | 1995-10-30 | 1996-10-25 | 윤활제점성도가최적화된유압베어링을구비한스핀들모터를갖는디스크드라이브데이터저장시스템 |
Country Status (6)
Country | Link |
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JP (2) | JPH11514778A (ko) |
KR (2) | KR100342340B1 (ko) |
CN (2) | CN1148739C (ko) |
DE (2) | DE19681634T1 (ko) |
GB (2) | GB2322728B (ko) |
WO (3) | WO1997016829A1 (ko) |
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US4604229A (en) * | 1985-03-20 | 1986-08-05 | Ferrofluidics Corporation | Electrically conductive ferrofluid compositions and method of preparing and using same |
JP2621329B2 (ja) * | 1988-04-20 | 1997-06-18 | 松下電器産業株式会社 | 流体軸受装置 |
US5068047A (en) * | 1989-10-12 | 1991-11-26 | Exxon Chemical Patents, Inc. | Visosity index improver |
US5457588A (en) * | 1992-09-22 | 1995-10-10 | Nippon Densan Corporation | Low profile hydrodynamic motor having minimum leakage properties |
GB2322730B (en) * | 1995-11-16 | 1999-08-04 | Seagate Technology | Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive |
-
1996
- 1996-10-25 KR KR1019980703170A patent/KR100342340B1/ko not_active Expired - Fee Related
- 1996-10-25 DE DE19681634T patent/DE19681634T1/de not_active Withdrawn
- 1996-10-25 KR KR10-1998-0703172A patent/KR100420061B1/ko not_active Expired - Fee Related
- 1996-10-25 CN CNB961979488A patent/CN1148739C/zh not_active Expired - Fee Related
- 1996-10-25 GB GB9809176A patent/GB2322728B/en not_active Expired - Fee Related
- 1996-10-25 WO PCT/US1996/017229 patent/WO1997016829A1/en active Search and Examination
- 1996-10-25 DE DE19681633T patent/DE19681633T1/de not_active Withdrawn
- 1996-10-25 WO PCT/US1996/017025 patent/WO1997016827A1/en active IP Right Grant
- 1996-10-25 WO PCT/US1996/017131 patent/WO1997016828A1/en active IP Right Grant
- 1996-10-25 JP JP9517412A patent/JPH11514778A/ja active Pending
- 1996-10-25 CN CNB96197947XA patent/CN1147849C/zh not_active Expired - Fee Related
- 1996-10-25 GB GB9809177A patent/GB2322729B/en not_active Expired - Fee Related
- 1996-10-25 JP JP9517425A patent/JPH11514779A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO1997016828A1 (en) | 1997-05-09 |
JPH11514779A (ja) | 1999-12-14 |
HK1015931A1 (en) | 1999-10-22 |
GB2322729B (en) | 2000-05-17 |
WO1997016829A1 (en) | 1997-05-09 |
DE19681634T1 (de) | 1998-12-03 |
KR19990067213A (ko) | 1999-08-16 |
DE19681633T1 (de) | 1998-10-29 |
GB2322729A (en) | 1998-09-02 |
GB2322728B (en) | 1999-09-01 |
HK1015932A1 (en) | 1999-10-22 |
KR100420061B1 (ko) | 2004-07-16 |
GB9809176D0 (en) | 1998-07-01 |
GB2322728A (en) | 1998-09-02 |
CN1148739C (zh) | 2004-05-05 |
CN1147849C (zh) | 2004-04-28 |
WO1997016827A1 (en) | 1997-05-09 |
KR19990067215A (ko) | 1999-08-16 |
CN1200834A (zh) | 1998-12-02 |
CN1200833A (zh) | 1998-12-02 |
GB9809177D0 (en) | 1998-07-01 |
JPH11514778A (ja) | 1999-12-14 |
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