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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:
1 2 3 4

Patent Number Title Of Patent Date Issued
8608384 Rotating device Dec. 17, 2013
8529132 Fluid dynamic bearing device and method of manufacturing the same Sep. 10, 2013
8353630 Fluid dynamic bearing with a labyrinth seal Jan. 15, 2013
8240917 Fluid dynamic bearing pattern and fluid dynamic bearing Aug. 14, 2012
8240921 Axial bearing for a turbocharger Aug. 14, 2012
8215843 Fluid dynamic bearing device Jul. 10, 2012
8192087 Microfabricated fluid dynamic bearing Jun. 5, 2012
8113715 Fluid dynamic bearing device Feb. 14, 2012
8106555 Spindle motor and apparatus for inhibiting oil leakage in spindle motor Jan. 31, 2012
8085495 Spindle motor and disk-shaped medium recording and producing device Dec. 27, 2011
8064166 Hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus Nov. 22, 2011
8016488 Fluid dynamic bearing device Sep. 13, 2011
8013487 Hydrodynamic bearing device, and spindle motor and information apparatus equipped with same Sep. 6, 2011
8007176 Dynamic pressure bearing and rotation machine employing same Aug. 30, 2011
7946770 Hydrodynamic bearing device May. 24, 2011
7856719 Single thrust bearing fluid dynamic bearing motor Dec. 28, 2010
7821167 Method and apparatus for increasing the buffer volume in a fluid dynamic bearing Oct. 26, 2010
7808139 Magnetic disk drive with improved vibration characteristics Oct. 5, 2010
7764463 Fluid dynamic pressure bearing for spindle motors and storage disk drive devices and having ridge portions between grooves in the fluid dynamic pressure bearing Jul. 27, 2010
7726881 Hydrodynamic bearing device Jun. 1, 2010
7677805 Fluid dynamic bearing and hard disk drive employing the same Mar. 16, 2010
7661882 Fluid dynamic pressure bearing device, spindle motor provided with the fluid dynamic pressure bearing device, and recording disk drive device Feb. 16, 2010
7654743 Bearing assembly, motor and recording disk drive Feb. 2, 2010
7650697 Methods of manufacturing fluid-dynamic-pressure bearing and spindle motor incorporating the bearing, and spindle motor and recording-disk drive incorporating the bearing Jan. 26, 2010
7637663 Fluid bearing with a variable depth groove Dec. 29, 2009
7625123 Hydrodynamic bearing device and spindle motor that makes use of same Dec. 1, 2009
7625122 Fluid dynamic bearing Dec. 1, 2009
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

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