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Class Information
Number: 384/112
Name: Bearings > Rotary bearing > Fluid bearing > Radial and thrust > Grooved thrust bearing surface
Description: Subject matter wherein the thrust bearing surface has a narrow furrow, or hollow cut for receiving the fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600919 |
Motor lubricant cycling system |
Oct. 13, 2009 |
| 7578621 |
Fluid dynamic-pressure bearing device and spindle motor |
Aug. 25, 2009 |
| 7568839 |
Fluid dynamic pressure bearing, motor, and recording medium driving device |
Aug. 4, 2009 |
| 7559697 |
Dynamic bearing unit |
Jul. 14, 2009 |
| 7556433 |
Fluid dynamic bearing device and motor equipped with the same |
Jul. 7, 2009 |
| 7531928 |
Spindle motor and rotation device having dynamic pressure bearing |
May. 12, 2009 |
| 7448805 |
Thrust dynamic pressure bearing, spindle motor using thereof, and information recording/reproducing device using the spindle motor |
Nov. 11, 2008 |
| 7438476 |
Hydraulic dynamic bearing and spindle motor |
Oct. 21, 2008 |
| 7422371 |
Active hybrid FDB motor |
Sep. 9, 2008 |
| 7401980 |
Axial bearing |
Jul. 22, 2008 |
| 7374340 |
Fluid dynamic-pressure bearing, spindle motor and recording disk driving device |
May. 20, 2008 |
| 7345392 |
Spindle motor having a hydrodynamic bearing system |
Mar. 18, 2008 |
| 7318674 |
Single thrust bearing fluid dynamic bearing motor |
Jan. 15, 2008 |
| 7294946 |
Motor using dynamic gas bearings |
Nov. 13, 2007 |
| 7290934 |
Fluid dynamic-pressure bearing device and spindle motor |
Nov. 6, 2007 |
| 7284909 |
Hybrid orbital fluid dynamic bearing motor |
Oct. 23, 2007 |
| 7267484 |
Fluid bearing device |
Sep. 11, 2007 |
| 7246945 |
Oil dynamic bearing, motor supported on oil dynamic bearing and disk drive carrying the motor |
Jul. 24, 2007 |
| 7222861 |
Sealing in a hydraulic turbine unit |
May. 29, 2007 |
| 7220054 |
Dynamic pressure bearing apparatus |
May. 22, 2007 |
| 7201517 |
Hydrodynamic bearing device and a recording disk drive equipped with it |
Apr. 10, 2007 |
| 7178983 |
Spindle motor and magnetic disk drive |
Feb. 20, 2007 |
| 7125169 |
Hydrodynamic pivot bearing |
Oct. 24, 2006 |
| 7101084 |
Dynamic pressure bearing device |
Sep. 5, 2006 |
| 7052254 |
Oil lubricant retaining bearing structure for a fan |
May. 30, 2006 |
| 7029179 |
Bearing unit, and motor using same |
Apr. 18, 2006 |
| 7021829 |
Fluid-dynamic-pressure bearing, spindle motor furnished with the fluid-dynamic-pressure bearing, method of manufacturing rotor assembly applied in the spindle motor, and recording-disk drive f |
Apr. 4, 2006 |
| 7011450 |
Fluid dynamic bearing device and motor including the device |
Mar. 14, 2006 |
| 7008110 |
Hydrodynamic pivot bearing |
Mar. 7, 2006 |
| 7004634 |
Fluid dynamic bearing asymmetry pressure feedback |
Feb. 28, 2006 |
| 6979923 |
Motor having dynamic pressure fluid bearing and disc drive apparatus provided with the motor |
Dec. 27, 2005 |
| 6980393 |
Low power spindle motor with a fluid dynamic thrust bearing having a reduced outer diameter |
Dec. 27, 2005 |
| 6980394 |
Spindle motor and recording disk driving device comprising the same |
Dec. 27, 2005 |
| 6971798 |
Gas dynamic pressure bearing unit, spindle motor, hard disk drive and polygon scanner utilizing gas dynamic pressure bearing system |
Dec. 6, 2005 |
| 6955469 |
Dynamic pressure bearing device |
Oct. 18, 2005 |
| 6914358 |
Spindle motor and disk drive furnished therewith |
Jul. 5, 2005 |
| 6876112 |
Low power spindle motor with a fixed shaft |
Apr. 5, 2005 |
| 6838795 |
Low velocity, high pressure thrust pump |
Jan. 4, 2005 |
| 6834996 |
Motor with dynamic pressure bearing |
Dec. 28, 2004 |
| 6793394 |
Hydrodynamic bearing device |
Sep. 21, 2004 |
| 6782338 |
Apparatus and method for characterizing grooved journals |
Aug. 24, 2004 |
| 6771460 |
Spindle motor and magnetic disc device using thereof having radial and thrust bearings |
Aug. 3, 2004 |
| 6768236 |
Spindle motor and disk drive furnished therewith |
Jul. 27, 2004 |
| 6765326 |
Cooling device motor having a hydrodynamic bearing with a unitary shaft thrust supporter |
Jul. 20, 2004 |
| 6722785 |
Fluid dynamic bearing |
Apr. 20, 2004 |
| 6702408 |
Single plate hydrodynamic bearing cartridge |
Mar. 9, 2004 |
| 6702466 |
Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing |
Mar. 9, 2004 |
| 6695480 |
Opposed flow seal/bearing assembly |
Feb. 24, 2004 |
| 6672767 |
Dynamic bearing device and motor having the same |
Jan. 6, 2004 |
| 6669368 |
Spindle motor and bearing assembly |
Dec. 30, 2003 |
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