JP4633388B2 - 動圧軸受装置 - Google Patents
動圧軸受装置 Download PDFInfo
- Publication number
- JP4633388B2 JP4633388B2 JP2004156421A JP2004156421A JP4633388B2 JP 4633388 B2 JP4633388 B2 JP 4633388B2 JP 2004156421 A JP2004156421 A JP 2004156421A JP 2004156421 A JP2004156421 A JP 2004156421A JP 4633388 B2 JP4633388 B2 JP 4633388B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- seal member
- bearing
- bearing sleeve
- adhesive
- 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.)
- Expired - Lifetime
Links
- 239000000853 adhesive Substances 0.000 claims description 43
- 230000001070 adhesive effect Effects 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 description 25
- 239000000843 powder Substances 0.000 description 21
- 239000010687 lubricating oil Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004156421A JP4633388B2 (ja) | 2004-05-26 | 2004-05-26 | 動圧軸受装置 |
US11/134,501 US7699528B2 (en) | 2004-05-26 | 2005-05-23 | Dynamic bearing device |
CN 200510074400 CN1702339B (zh) | 2004-05-26 | 2005-05-26 | 动态轴承装置 |
US12/721,053 US20100166346A1 (en) | 2004-05-26 | 2010-03-10 | Dynamic bearing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004156421A JP4633388B2 (ja) | 2004-05-26 | 2004-05-26 | 動圧軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005337364A JP2005337364A (ja) | 2005-12-08 |
JP4633388B2 true JP4633388B2 (ja) | 2011-02-16 |
Family
ID=35491161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004156421A Expired - Lifetime JP4633388B2 (ja) | 2004-05-26 | 2004-05-26 | 動圧軸受装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4633388B2 (zh) |
CN (1) | CN1702339B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017022801A (ja) * | 2015-07-07 | 2017-01-26 | ミネベア株式会社 | モータ |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009197933A (ja) * | 2008-02-22 | 2009-09-03 | Nok Corp | 金属嵌合部のシール構造 |
JP2012225386A (ja) | 2011-04-18 | 2012-11-15 | Ntn Corp | 流体動圧軸受装置 |
JP7023754B2 (ja) * | 2017-12-08 | 2022-02-22 | Ntn株式会社 | 流体動圧軸受装置 |
CN111433472B (zh) * | 2017-12-08 | 2021-12-28 | Ntn株式会社 | 流体动压轴承装置 |
CN109538308B (zh) * | 2019-01-25 | 2023-09-19 | 沈阳航空航天大学 | 含楔块可调节刷丝束与转子面径向间隙的刷式密封结构 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09217736A (ja) * | 1996-02-09 | 1997-08-19 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
JP2003056555A (ja) * | 2001-08-14 | 2003-02-26 | Nippon Densan Corp | 動圧軸受装置、及びシャフトへのスラストプレート固着方法 |
JP2003139132A (ja) * | 2001-11-07 | 2003-05-14 | Matsushita Electric Ind Co Ltd | 動圧軸受装置およびその製造方法 |
JP2003301835A (ja) * | 2002-04-10 | 2003-10-24 | Koyo Seiko Co Ltd | 動圧軸受 |
JP2003336636A (ja) * | 2002-05-21 | 2003-11-28 | Ntn Corp | 動圧軸受装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5580175A (en) * | 1995-09-07 | 1996-12-03 | Quantum Corporation | Bearing with particle trap |
US5743655A (en) * | 1997-03-12 | 1998-04-28 | Patent Translation And Consulting Co., Inc. | Self-acting fluid dynamic bearing support and method of assembling thereof |
US6390681B1 (en) * | 1999-04-05 | 2002-05-21 | Ntn Corporation | Dynamic pressure bearing-unit |
JP2005045924A (ja) * | 2003-07-22 | 2005-02-17 | Nippon Densan Corp | スピンドルモータ、このスピンドルモータに適用されるロータの製造方法、及びこのスピンドルモータを備えたハードディスク駆動装置 |
-
2004
- 2004-05-26 JP JP2004156421A patent/JP4633388B2/ja not_active Expired - Lifetime
-
2005
- 2005-05-26 CN CN 200510074400 patent/CN1702339B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09217736A (ja) * | 1996-02-09 | 1997-08-19 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
JP2003056555A (ja) * | 2001-08-14 | 2003-02-26 | Nippon Densan Corp | 動圧軸受装置、及びシャフトへのスラストプレート固着方法 |
JP2003139132A (ja) * | 2001-11-07 | 2003-05-14 | Matsushita Electric Ind Co Ltd | 動圧軸受装置およびその製造方法 |
JP2003301835A (ja) * | 2002-04-10 | 2003-10-24 | Koyo Seiko Co Ltd | 動圧軸受 |
JP2003336636A (ja) * | 2002-05-21 | 2003-11-28 | Ntn Corp | 動圧軸受装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017022801A (ja) * | 2015-07-07 | 2017-01-26 | ミネベア株式会社 | モータ |
Also Published As
Publication number | Publication date |
---|---|
JP2005337364A (ja) | 2005-12-08 |
CN1702339A (zh) | 2005-11-30 |
CN1702339B (zh) | 2011-01-26 |
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