KR101098791B1 - 동압 베어링 장치 및 이것을 이용한 모터 - Google Patents
동압 베어링 장치 및 이것을 이용한 모터 Download PDFInfo
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- KR101098791B1 KR101098791B1 KR1020067024590A KR20067024590A KR101098791B1 KR 101098791 B1 KR101098791 B1 KR 101098791B1 KR 1020067024590 A KR1020067024590 A KR 1020067024590A KR 20067024590 A KR20067024590 A KR 20067024590A KR 101098791 B1 KR101098791 B1 KR 101098791B1
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- shaft member
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Classifications
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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
- 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
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/46—Hydrolases (3)
- A61K38/48—Hydrolases (3) acting on peptide bonds (3.4)
- A61K38/4886—Metalloendopeptidases (3.4.24), e.g. collagenase
- A61K38/4893—Botulinum neurotoxin (3.4.24.69)
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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
- 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
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- 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
-
- 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
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- 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
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Gastroenterology & Hepatology (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (21)
- 고정측 부재와 회전측 부재를 구비하고, 고정측 부재와 회전측 부재 사이의 환상의 레이디얼 베어링 간극에 생기는 유체의 동압작용에 의해 회전측 부재를 레이디얼 방향으로 비접촉으로 지지하는 것에 있어서,회전측 부재가, 로터 마그넷의 부착부를 갖는 것이고, 또한 금속부품으로서의 심금을 인서트 부품으로 하는 수지의 사출성형품인 것을 특징으로 하는 동압 베어링 장치.
- 제1항에 있어서, 금속부품이 레이디얼 베어링 간극에 면한 축부재인 것을 특징으로 하는 동압 베어링 장치.
- 제1항에 있어서, 레이디얼 베어링 간극에 면한 축부재 및 축부재에 끼워 넣은 심금을 금속부품으로서 인서트 부품으로 한 것을 특징으로 하는 동압 베어링 장치.
- 제1항에 있어서, 금속부품이 레이디얼 베어링 간극에 면한 축부재, 및 심금인 것을 특징으로 하는 동압 베어링 장치.
- 제3항 또는 제4항에 있어서, 심금이 자성체로 형성되어 있는 것을 특징으로 하는 동압 베어링 장치.
- 제3항 또는 제4항에 있어서, 심금이 다공질체로 형성되어 있는 것을 특징으 로 하는 동압 베어링 장치.
- 제2항 또는 제4항에 있어서, 고정측 부재는, 축부재를 내주에 삽입가능한 베어링 슬리브와, 내부에 베어링 슬리브를 고정하고, 일단측에 개구부, 타단측에 일체 또는 별체의 저부를 구비한 하우징을 갖는 것을 특징으로 하는 동압 베어링 장치.
- 제7항에 있어서, 하우징의 개구부와 회전측 부재 사이에 스러스트 베어링 간극을 구비하고, 이 스러스트 베어링 간극에 생기는 유체의 동압작용으로 축부재를 스러스트 방향으로 비접촉 지지하는 것을 특징으로 하는 동압 베어링 장치.
- 제7항에 있어서, 하우징의 저부와 회전측 부재 사이에 스러스트 베어링 간극을 구비하고, 이 스러스트 베어링 간극에 생기는 유체의 동압작용으로 축부재를 스러스트 방향으로 비접촉 지지하는 것을 특징으로 하는 동압 베어링 장치.
- 제7항에 있어서, 하우징에 의해 축부재를 접촉 지지하는 것을 특징으로 하는 동압 베어링 장치.
- 제1항 내지 제4항 중 어느 한 항에 기재된 동압 베어링 장치와, 로터 마그넷과, 로터 마그넷과의 사이에서 여자력을 발생하는 스테이터 코일을 갖는 것을 특징으로 하는 모터.
- 축부재와, 축부재를 회전가능하게 지지하는 고정측 부재와, 축부재에 부착되고 로터 마그넷의 부착부를 갖는 부재를 구비하고, 고정측 부재와 축부재 사이의 환상의 레이디얼 베어링 간극에 생기는 유체의 동압작용에 의해 축부재를 레이디얼 방향으로 비접촉으로 지지하는 것에 있어서,로터 마그넷의 부착부를 갖는 부재가 수지로 성형되고, 또한 로터 마그넷의 부착부를 갖는 부재 중, 적어도 로터 마그넷과의 대향부에 자성체로 이루어지는 자기 실드부재를 배치한 것을 특징으로 하는 동압 베어링 장치.
- 제12항에 있어서, 로터 마그넷의 부착부를 갖는 부재가, 자기 실드부재를 인서트 부품으로 하는 수지의 사출성형품인 것을 특징으로 하는 동압 베어링 장치.
- 제12항 또는 제13항에 있어서, 자기 실드부재의 적어도 일부를 수지로 매설한 것을 특징으로 하는 동압 베어링 장치.
- 제12항 또는 제13항에 있어서, 자기 실드부재가 소성가공에 의해 성형된 것임을 특징으로 하는 동압 베어링 장치.
- 제12항 또는 제13항에 있어서, 로터 마그넷의 부착부를 갖는 부재가, 자기 실드부재 및 축부재를 인서트 부품으로 하는 수지의 사출성형품인 것을 특징으로 하는 동압 베어링 장치.
- 제12항에 있어서, 고정측 부재는, 축부재를 내주에 삽입가능한 베어링 슬리브와, 내부에 베어링 슬리브를 고정하고, 일단측에 개구부, 타단측에 일체 또는 별체의 저부를 구비한 하우징을 갖는 것을 특징으로 하는 동압 베어링 장치.
- 제17항에 있어서, 하우징의 개구부와, 로터 마그넷의 부착부를 갖는 부재 사이에 스러스트 베어링 간극을 구비하고, 이 스러스트 베어링 간극에 생기는 유체의 동압작용에 의해 축부재를 스러스트 방향으로 비접촉 지지하는 것을 특징으로 하는 동압 베어링 장치.
- 제17항에 있어서, 하우징의 저부와 축부재 사이에 스러스트 베어링 간극을 구비하고, 이 스러스트 베어링 간극에 생기는 유체의 동압작용으로 축부재를 스러스트 방향으로 비접촉 지지하는 것을 특징으로 하는 동압 베어링 장치.
- 제17항에 있어서, 하우징에 의해 축부재를 접촉 지지하는 것을 특징으로 하는 동압 베어링 장치.
- 제12항, 제13항, 제17항 내지 제20항 중 어느 한 항에 기재된 동압 베어링 장치와, 로터 마그넷과, 로터 마그넷과의 사이에서 여자력을 발생하는 스테이터 코일을 갖는 것을 특징으로 하는 모터.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00155230 | 2004-05-25 | ||
JP2004155230A JP4619691B2 (ja) | 2004-05-25 | 2004-05-25 | 動圧軸受装置及びこれを用いたモータ |
JP2004155219A JP2005337341A (ja) | 2004-05-25 | 2004-05-25 | 動圧軸受装置及びこれを用いたモータ |
JPJP-P-2004-00155219 | 2004-05-25 | ||
PCT/JP2005/008891 WO2005117239A1 (ja) | 2004-05-25 | 2005-05-16 | 動圧軸受装置及びこれを用いたモータ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070043704A KR20070043704A (ko) | 2007-04-25 |
KR101098791B1 true KR101098791B1 (ko) | 2011-12-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020067024590A KR101098791B1 (ko) | 2004-05-25 | 2006-11-23 | 동압 베어링 장치 및 이것을 이용한 모터 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7819585B2 (ko) |
KR (1) | KR101098791B1 (ko) |
CN (1) | CN1957516B (ko) |
WO (1) | WO2005117239A1 (ko) |
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TWM284772U (en) * | 2005-06-15 | 2006-01-01 | Global Win Technology Co Ltd | Improved dust-preventing, oil-returning and lubricating fan structure |
DE102005032630B4 (de) * | 2005-07-13 | 2008-04-17 | Minebea Co., Ltd. | Fluiddynamisches Lagersystem |
DE102005032631B4 (de) * | 2005-07-13 | 2007-10-31 | Minebea Co., Ltd., Miyota | Fluiddynamisches Lagersystem |
JP4901162B2 (ja) | 2005-09-06 | 2012-03-21 | Ntn株式会社 | 流体軸受装置及びこれを備えたモータ |
JP2007252168A (ja) * | 2006-03-20 | 2007-09-27 | Matsushita Electric Ind Co Ltd | 流体軸受式回転装置 |
JP2007292107A (ja) * | 2006-04-21 | 2007-11-08 | Matsushita Electric Ind Co Ltd | 流体軸受式回転装置 |
US20080278911A1 (en) * | 2007-05-11 | 2008-11-13 | Wen-Pin Chen | Cooling fan and dynamic pressure bearing structure |
JP5312895B2 (ja) * | 2008-10-14 | 2013-10-09 | Ntn株式会社 | 流体軸受装置 |
JP5519314B2 (ja) * | 2010-02-12 | 2014-06-11 | 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 | 回転機器 |
JP2011172371A (ja) * | 2010-02-18 | 2011-09-01 | Nippon Densan Corp | モータ、ディスク駆動装置、およびモータの製造方法 |
TWI410642B (zh) * | 2011-03-04 | 2013-10-01 | Realtek Semiconductor Corp | 電感偵測裝置與方法 |
JP2013108470A (ja) * | 2011-11-24 | 2013-06-06 | Nippon Densan Corp | ファン |
EP2662954B1 (en) * | 2012-05-09 | 2022-06-29 | LG Innotek Co., Ltd. | Motor |
US8493820B1 (en) | 2012-05-25 | 2013-07-23 | Timothy Edward Langlais | Matched CTE drive |
JP2014005934A (ja) * | 2012-05-30 | 2014-01-16 | Nippon Densan Corp | 軸受機構、モータおよびディスク駆動装置 |
CN103104882B (zh) * | 2013-01-18 | 2015-04-22 | 于颖杰 | 一种光线立体追踪采集装置 |
US10161908B2 (en) * | 2016-03-24 | 2018-12-25 | Infineon Technologies Ag | Apparatus for determining a characteristic of a fluid having a device configured to measure a hydrodynamic pressure of the fluid |
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JP2003180066A (ja) | 2001-09-14 | 2003-06-27 | Nippon Densan Corp | スピンドルモータ及びこのスピンドルモータを用いたディスク駆動装置 |
JP2003189522A (ja) | 2001-12-21 | 2003-07-04 | Namiki Precision Jewel Co Ltd | 小型扁平モータ、小型扁平ファンモータ並びに同モータを備える空気強制供給型空気電池、小型扁平振動モータ並びに同モータを備える携帯用情報機器 |
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CN1957516B (zh) | 2010-10-13 |
US8002471B2 (en) | 2011-08-23 |
WO2005117239A1 (ja) | 2005-12-08 |
US20100194215A1 (en) | 2010-08-05 |
US20070280571A1 (en) | 2007-12-06 |
KR20070043704A (ko) | 2007-04-25 |
US7819585B2 (en) | 2010-10-26 |
CN1957516A (zh) | 2007-05-02 |
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