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Class Information
Number: 384/100
Name: Bearings > Rotary bearing > Fluid bearing
Description: Subject matter wherein fluid pressure is used to support an element wholly, or partially, balance the bearing, or resist the vertical, or horizontal thrust of a rotary element by interposing a layer that in operation eliminates contact between relatively rotating elements.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625123 |
Hydrodynamic bearing device and spindle motor that makes use of same |
Dec. 1, 2009 |
| 7625122 |
Fluid dynamic bearing |
Dec. 1, 2009 |
| 7625125 |
Spindle motor |
Dec. 1, 2009 |
| 7625124 |
Fluid bearing device |
Dec. 1, 2009 |
| 7614791 |
Bearing unit and motor using the same |
Nov. 10, 2009 |
| 7600919 |
Motor lubricant cycling system |
Oct. 13, 2009 |
| 7572059 |
Fluid circulating hydrodynamic pressure bearings |
Aug. 11, 2009 |
| 7566174 |
Fluid lubricated bearing device |
Jul. 28, 2009 |
| 7563030 |
Method of making fluid dynamic bearing |
Jul. 21, 2009 |
| 7559696 |
Active thrust management system |
Jul. 14, 2009 |
| 7556433 |
Fluid dynamic bearing device and motor equipped with the same |
Jul. 7, 2009 |
| 7553085 |
Fluid bearing and method of operation |
Jun. 30, 2009 |
| 7540664 |
Grooves on both the moving and the stationary mating fluid dynamic bearing surfaces for performance enhancement |
Jun. 2, 2009 |
| 7530741 |
Fluid bearing device and spindle motor |
May. 12, 2009 |
| 7527431 |
Bearing unit and rotating apparatus using the bearing unit |
May. 5, 2009 |
| 7520674 |
Magnetic disk device with rotor supported by fluid bearing |
Apr. 21, 2009 |
| 7521830 |
Fan motor and oil-leak proof bearing system thereof |
Apr. 21, 2009 |
| 7513688 |
Hydrodynamic bearing device and inspection method of amount of working fluid |
Apr. 7, 2009 |
| 7513689 |
Hydrodynamic bearing device |
Apr. 7, 2009 |
| 7510329 |
Bearing unit and rotary drive using the same |
Mar. 31, 2009 |
| 7497626 |
Spindle motor structure and hard disk drive employing the same |
Mar. 3, 2009 |
| 7495863 |
Hydrodynamic bearing device, and spindle motor and information device using the same |
Feb. 24, 2009 |
| 7484891 |
Oil film bearing for roll pins having a hydrostatic support |
Feb. 3, 2009 |
| 7465097 |
Fluid dynamic bearing system |
Dec. 16, 2008 |
| 7465098 |
Spindle motor having variably grooved radial and thrust bearing with reduced groove angle near bearing entry |
Dec. 16, 2008 |
| 7459416 |
Fluid bearing unit and spindle motor using the same |
Dec. 2, 2008 |
| 7455456 |
Bearing unit and rotation drive device using the same |
Nov. 25, 2008 |
| 7441957 |
Fluid dynamic bearing |
Oct. 28, 2008 |
| 7431505 |
Fluid lubrication bearing apparatus |
Oct. 7, 2008 |
| 7416341 |
Capillary reservoir for FDB motors |
Aug. 26, 2008 |
| 7413347 |
Fluid dynamic bearing system |
Aug. 19, 2008 |
| 7396164 |
Compensated orifice for use in hydrostatic fluid bearing |
Jul. 8, 2008 |
| 7374341 |
Hydrodynamic bearing arrangement for an electric motor |
May. 20, 2008 |
| 7374340 |
Fluid dynamic-pressure bearing, spindle motor and recording disk driving device |
May. 20, 2008 |
| 7371010 |
Hydrodynamic bearing device and compact motor including hydrodynamic bearing device |
May. 13, 2008 |
| 7344002 |
Method and apparatus for filling the bearing gap of a hydrodynamic bearing with a lubricant |
Mar. 18, 2008 |
| 7345844 |
Servo track writer with helium bearing |
Mar. 18, 2008 |
| 7340834 |
Method of lubricating bearings |
Mar. 11, 2008 |
| 7300209 |
Aerodynamic bearing assembly for spindle motor for hard disk drives |
Nov. 27, 2007 |
| 7296932 |
Fluid dynamic bearing having an acute-angled shaft recess |
Nov. 20, 2007 |
| 7293917 |
Spindle motor having hydrodynamic pressure bearing |
Nov. 13, 2007 |
| 7284908 |
Hydrodynamic bearing device and motor |
Oct. 23, 2007 |
| 7284907 |
Gas bearing system |
Oct. 23, 2007 |
| 7281851 |
Spindle device utilizing externally pressurized gas bearing assembly |
Oct. 16, 2007 |
| 7258487 |
Bearing unit, and motor and electronic apparatus having the bearing unit |
Aug. 21, 2007 |
| 7226211 |
Shaft for fluid dynamic bearing, fluid dynamic bearing device, and method of manufacturing the shaft |
Jun. 5, 2007 |
| 7222861 |
Sealing in a hydraulic turbine unit |
May. 29, 2007 |
| 7207720 |
Static gas bearing system, stage mechanism, exposure apparatus, and device manufacturing method |
Apr. 24, 2007 |
| 7201516 |
Fluid bearing device |
Apr. 10, 2007 |
| 7201379 |
Seal assembly, cartridge, and method |
Apr. 10, 2007 |
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