CN1874120A - 主轴电动机 - Google Patents
主轴电动机 Download PDFInfo
- Publication number
- CN1874120A CN1874120A CNA2006100740800A CN200610074080A CN1874120A CN 1874120 A CN1874120 A CN 1874120A CN A2006100740800 A CNA2006100740800 A CN A2006100740800A CN 200610074080 A CN200610074080 A CN 200610074080A CN 1874120 A CN1874120 A CN 1874120A
- Authority
- CN
- China
- Prior art keywords
- thrust
- dynamic pressure
- bearing portion
- hydrodynamic bearing
- filling part
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
- H04M1/0237—Sliding mechanism with one degree of freedom
-
- 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
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
-
- 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
-
- 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
-
- 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
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Signal Processing (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sealing Of Bearings (AREA)
- Motor Or Generator Frames (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005156866 | 2005-05-30 | ||
JP2005156866A JP4499615B2 (ja) | 2005-05-30 | 2005-05-30 | スピンドルモータ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1874120A true CN1874120A (zh) | 2006-12-06 |
CN100521453C CN100521453C (zh) | 2009-07-29 |
Family
ID=37462450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100740800A Expired - Fee Related CN100521453C (zh) | 2005-05-30 | 2006-04-04 | 主轴电动机 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7265469B2 (zh) |
JP (1) | JP4499615B2 (zh) |
KR (1) | KR100719830B1 (zh) |
CN (1) | CN100521453C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4451771B2 (ja) * | 2004-12-27 | 2010-04-14 | アルファナテクノロジー株式会社 | スピンドルモータ |
JP4571593B2 (ja) * | 2006-01-30 | 2010-10-27 | アルファナテクノロジー株式会社 | モータ |
JP2008097803A (ja) * | 2006-09-15 | 2008-04-24 | Sii Micro Precision Kk | ハードディスク装置 |
JP2009011114A (ja) * | 2007-06-29 | 2009-01-15 | Alphana Technology Kk | モータ |
JP4347395B2 (ja) * | 2008-03-13 | 2009-10-21 | ファナック株式会社 | ロータ側から駆動用流体を噴射することにより駆動するスピンドル |
JP5674184B2 (ja) * | 2009-08-04 | 2015-02-25 | 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 |
JP2013085447A (ja) * | 2011-09-30 | 2013-05-09 | Nippon Densan Corp | モータおよびディスク駆動装置 |
KR101275304B1 (ko) * | 2012-03-29 | 2013-06-17 | 삼성전기주식회사 | 스핀들 모터 |
JP6657564B2 (ja) * | 2015-01-30 | 2020-03-04 | 日本電産株式会社 | 流体動圧軸受装置、スピンドルモータ、およびディスク駆動装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956204A (en) * | 1995-02-13 | 1999-09-21 | Seagate Technology, Inc. | Magnetic disc drive having magnetic particle trap for hydrodynamic bearing |
JP3984388B2 (ja) * | 1999-03-01 | 2007-10-03 | 日本電産株式会社 | 動圧軸受モータ |
JP3260719B2 (ja) | 1999-03-26 | 2002-02-25 | セイコーインスツルメンツ株式会社 | 液体動圧軸受及びスピンドルモータ |
JP2001056023A (ja) * | 1999-08-18 | 2001-02-27 | Seiko Instruments Inc | スピンドルモータ |
JP4693948B2 (ja) * | 1999-08-26 | 2011-06-01 | 日本電産株式会社 | 動圧軸受装置 |
JP2003032959A (ja) | 2001-07-09 | 2003-01-31 | Nippon Densan Corp | スピンドルモータ |
JP4338359B2 (ja) | 2002-06-11 | 2009-10-07 | 日本電産株式会社 | 動圧軸受装置 |
US7133250B2 (en) * | 2003-04-22 | 2006-11-07 | Seagate Technology Llc | Inboard thrust surface fluid recirculation pump |
KR100478419B1 (ko) * | 2004-07-29 | 2005-03-23 | (주)지엔더블유테크놀러지 | 유체동압베어링 모터 |
-
2005
- 2005-05-30 JP JP2005156866A patent/JP4499615B2/ja not_active Expired - Fee Related
-
2006
- 2006-04-03 KR KR1020060030202A patent/KR100719830B1/ko not_active IP Right Cessation
- 2006-04-04 CN CNB2006100740800A patent/CN100521453C/zh not_active Expired - Fee Related
- 2006-05-17 US US11/434,781 patent/US7265469B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20060267434A1 (en) | 2006-11-30 |
US7265469B2 (en) | 2007-09-04 |
JP4499615B2 (ja) | 2010-07-07 |
JP2006329381A (ja) | 2006-12-07 |
KR20060124558A (ko) | 2006-12-05 |
CN100521453C (zh) | 2009-07-29 |
KR100719830B1 (ko) | 2007-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: ALPHANO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: VICTOR COMPANY OF JAPAN Effective date: 20080620 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080620 Address after: Shizuoka Applicant after: Alphana Technology Co., Ltd. Address before: Kanagawa Applicant before: Victory Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20160404 |
|
CF01 | Termination of patent right due to non-payment of annual fee |