KR100696238B1 - 동압형 베어링 유닛 및 그 제조방법 - Google Patents
동압형 베어링 유닛 및 그 제조방법 Download PDFInfo
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- KR100696238B1 KR100696238B1 KR1020000017652A KR20000017652A KR100696238B1 KR 100696238 B1 KR100696238 B1 KR 100696238B1 KR 1020000017652 A KR1020000017652 A KR 1020000017652A KR 20000017652 A KR20000017652 A KR 20000017652A KR 100696238 B1 KR100696238 B1 KR 100696238B1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H1/00028—Constructional lay-out of the devices in the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00207—Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
- B60H2001/00235—Devices in the roof area of the passenger compartment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/30—Railway vehicles
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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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- 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
- F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
도 2는, 도 1의 요부확대단면도이다.
Claims (16)
- 축 및 플랜지부로 이루어지는 축부재와, 축부재를 레이디얼 방향으로 지지하는 레이디얼 베어링부와, 축부재의 플랜지부를 스러스트 방향으로 지지하는 스러스트 베어링부를 보유하고, 레이디얼 베어링부 및 스러스트 베어링부가 각각 동압작용으로 축부재를 비접촉지지하는 동압형 베어링 유닛에 있어서,축과 플랜지부를 일체로 구성한 것을 특징으로 하는 동압형 베어링 유닛.
- 제 1항에 있어서, 축부재의 외주측에 베어링부재를 배치하고, 축부재의 외주면과 이것에 대향하는 베어링부재와의 사이에 상기 레이디얼 베어링부의 레이디얼 베어링 간극을 형성한 것을 특징으로 하는 동압형 베어링 유닛.
- 제 2항에 있어서, 스러스트 베어링부가, 플랜지부의 양측에 2개의 스러스트 베어링 간극을 보유하는 것을 특징으로 하는 동압형 베어링 유닛.
- 제 3항에 있어서, 플랜지부의 한쪽의 끝면과, 이것에 대향하는 베어링부재로 상기 스러스트 베어링부의 한쪽의 스러스트 베어링 간극을 구성한 것을 특징으로 하는 동압형 베어링 유닛.
- 제 4항에 있어서, 플랜지부의 다른쪽의 끝면에 대향시켜서 스러스트 지지부를 설치하고, 이 스러스트 지지부와 플랜지부의 다른쪽의 끝면으로 상기 스러스트 베어링부의 다른쪽의 스러스트 베어링 간극을 구성한 것을 특징으로 하는 동압형 베어링 유닛.
- 제4항에 있어서, 스러스트 베어링부의 동압홈을 베어링부재에 형성한 것을 특징으로 하는 동압형 베어링 유닛.
- 제5항에 있어서, 스러스트 베어링부의 동압홈을 스러스트 지지부에 형성한 것을 특징으로 하는 동압형 베어링 유닛.
- 제2항에 있어서, 베어링부재의 일단측을 시일부재로 래버린스 시일한 것을 특징으로 하는 동압형 베어링 유닛.
- 하우징과, 하우징에 고정된 베어링부재와, 축부재와, 이 축부재와 베어링부재의 상대회전시에 생기는 동압작용으로 축부재를 비접촉지지하는 레이디얼 베어링부 및 스러스트 베어링부를 보유하고, 상기 하우징이 내주면을 연속면으로 한 바닥이 있는 통형상이고, 또한 스러스트 베어링부의 베어링 간극은, 하우징에 대한 베어링부재의 고정위치를 관리함으로써 적정폭으로 설정가능한 것을 특징으로 하는 동압형 베어링 유닛.
- 제 9항에 있어서, 상기 스러스트 베어링부의 베어링 간극이, 베어링부재를 하우징에 대하여 위치결정하는 위치결정수단을 제거하여 형성되어 있는 것을 특징으로 하는 동압형 베어링 유닛.
- 바닥이 있는 통형상의 하우징 내에 축부재와 베어링부재를 수용하여, 축부재와 베어링부재와의 상대회전시에 생기는 동압작용으로, 축부재를 비접촉지지하는 레이디얼 베어링부 및 스러스트 베어링부를 보유하는 동압형 베어링 유닛을 제조하는 방법에 있어서, 스러스트 베어링부의 베어링 간극을, 하우징에 대한 베어링부재의 고정위치를 관리함으로써 적정폭으로 설정하는 것을 특징으로 하는 동압형 베어링 유닛의 제조방법.
- 제 11항에 있어서, 하우징에 대한 베어링부재의 고정위치의 관리를, 하우징 내에 설치된, 베어링부재를 하우징에 대하여 위치결정하는 위치결정수단으로 행하고, 또한, 위치결정 후에 위치결정수단을 제거하여 상기 스러스트 베어링부의 베어링 간극을 형성하는 것을 특징으로 하는 동압형 베어링 유닛의 제조방법.
- 제 12항에 있어서, 위치결정수단을 수지층으로 하고, 이것을 용제를 이용하여 제거하는 것을 특징으로 하는 동압형 베어링 유닛의 제조방법.
- 제 13항에 있어서, 베어링부재와 하우징의 바닥부와의 사이에 축부재 및 수 지층을 개재시키고, 베어링부재, 축부재, 수지층 및 하우징의 바닥부를 서로 밀착시켜서 상기 베어링부재의 위치결정을 행하는 것을 특징으로 하는 동압형 베어링 유닛의 제조방법.
- 제 14항에 있어서, 수지층이 시트형상인 것을 특징으로 하는 동압형 베어링 유닛의 제조방법.
- 제 14항에 있어서, 수지층이 피막형상인 것을 특징으로 하는 동압형 베어링 유닛의 제조방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09791999A JP3774080B2 (ja) | 1999-04-05 | 1999-04-05 | 動圧型軸受ユニット |
JP99-97919 | 1999-04-05 | ||
JP99-99249 | 1999-04-06 | ||
JP11099249A JP2000291649A (ja) | 1999-04-06 | 1999-04-06 | 動圧型軸受装置およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
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KR20000071559A KR20000071559A (ko) | 2000-11-25 |
KR100696238B1 true KR100696238B1 (ko) | 2007-03-20 |
Family
ID=26439061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000017652A KR100696238B1 (ko) | 1999-04-05 | 2000-04-04 | 동압형 베어링 유닛 및 그 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6390681B1 (ko) |
KR (1) | KR100696238B1 (ko) |
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JP5318344B2 (ja) * | 2006-11-30 | 2013-10-16 | Ntn株式会社 | 流体軸受装置およびその製造方法 |
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JP5220339B2 (ja) * | 2007-05-07 | 2013-06-26 | Ntn株式会社 | 流体軸受装置 |
US8297844B2 (en) * | 2007-08-20 | 2012-10-30 | Ntn Corporation | Fluid dynamic bearing device |
US20090056136A1 (en) * | 2007-08-31 | 2009-03-05 | Nidec Corporation | Method of manufacturing thrust plate, bearing device, method of manufacturing bearing device, and spindle motor |
JP2009079658A (ja) * | 2007-09-26 | 2009-04-16 | Nippon Densan Corp | 軸受装置、スピンドルモータ、ディスク駆動装置、および軸受装置の製造方法 |
JP2009150505A (ja) * | 2007-12-21 | 2009-07-09 | Nippon Densan Corp | 軸受機構、モータおよび記録ディスク駆動装置 |
JP2009156360A (ja) * | 2007-12-27 | 2009-07-16 | Nippon Densan Corp | 軸受機構の製造方法、並びに、モータおよび記録ディスク駆動装置 |
JP2009185886A (ja) * | 2008-02-06 | 2009-08-20 | Nippon Densan Corp | 軸受機構の製造方法、並びに、モータおよび記録ディスク駆動装置 |
CN102278366A (zh) * | 2011-05-27 | 2011-12-14 | 罗立峰 | 自密封动压气体径向陶瓷轴承 |
JP5951365B2 (ja) * | 2012-06-18 | 2016-07-13 | Ntn株式会社 | 流体動圧軸受装置及びこれを備えるモータ |
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US5538347A (en) * | 1994-03-24 | 1996-07-23 | Konica Corporation | Dynamic pressure bearing |
US5524986A (en) * | 1994-08-02 | 1996-06-11 | Seagate Technology, Inc. | Fluid retention principles for hydrodynamic bearings |
US5658080A (en) * | 1994-12-16 | 1997-08-19 | Nidec Corporation | Motor with a hydro-dynamic bearing |
US5788379A (en) * | 1997-04-08 | 1998-08-04 | Zevatech, Inc. | High precision plate bearing structures and methods of assembly |
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JPH101997A (ja) * | 1991-08-21 | 1998-01-06 | Toto Ltd | トイレ装置 |
JPH101998A (ja) * | 1996-06-17 | 1998-01-06 | Matsushita Electric Ind Co Ltd | 衛生洗浄装置 |
KR19980080411A (ko) * | 1997-03-19 | 1998-11-25 | 오니시다다시 | 유체베어링장치 |
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KR20000071559A (ko) | 2000-11-25 |
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