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Class Information
Number: 384/115
Name: Bearings > Rotary bearing > Fluid bearing > Radial > Shaft recess
Description: Subject matter wherein an inner relatively rotating element has a groove, or passage for receiving the fluid.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8622620 Shaft for air bearing and motor cooling in compressor Jan. 7, 2014
8585289 Spindle motor Nov. 19, 2013
8475049 Fluid dynamic bearing assembly Jul. 2, 2013
8454237 Spindle motor Jun. 4, 2013
8449189 Motor with aerodynamic pressure bearing mechanism May. 28, 2013
8366322 Shaft member for fluid dynamic bearing device Feb. 5, 2013
8192086 Air bearing Jun. 5, 2012
8167495 Device comprising a support structure and a rotating shaft and wind turbine May. 1, 2012
8104963 Shaft member for fluid dynamic bearing device Jan. 31, 2012
7987598 Dynamic bearing manufacturing method Aug. 2, 2011
7954241 Self-lubricating bearing and its manufacturing process Jun. 7, 2011
7862238 Hydrodynamic bearing rotary device and information apparatus Jan. 4, 2011
7854552 Hydrodynamic bearing device, spindle motor equipped with same, and recording and reproducing apparatus Dec. 21, 2010
7837390 Hydrodynamic bearing, motor including the same, and recording and reproducing apparatus Nov. 23, 2010
7699529 Fluid dynamic bearing having pressure-generating surface patterns Apr. 20, 2010
7698064 Gas supported inertial sensor system and method Apr. 13, 2010
7625123 Hydrodynamic bearing device and spindle motor that makes use of same Dec. 1, 2009
7563030 Method of making fluid dynamic bearing Jul. 21, 2009
7507039 Dynamic pressure bearing manufacturing method, dynamic pressure bearing and dynamic pressure bearing manufacturing device Mar. 24, 2009
7494283 Hydrodynamic bearing assembly Feb. 24, 2009
7411762 Fluid dynamic pressure bearing including dynamic pressure generating grooves, and spindle motor and disc drive including the bearing Aug. 12, 2008
7229214 Fluid dynamic bearing unit Jun. 12, 2007
7165889 Bearing oil lift pocket Jan. 23, 2007
7140777 Hydrodynamic bearing assembly Nov. 28, 2006
7125170 Fluid dynamic bearing motor Oct. 24, 2006
6979923 Motor having dynamic pressure fluid bearing and disc drive apparatus provided with the motor Dec. 27, 2005
6955472 Lubricant reservoir for gas bearing Oct. 18, 2005
RE38791 Sliding bearing Sep. 6, 2005
6851861 Lubricant retention design for disk drive fluid dynamic bearing spindle motor Feb. 8, 2005
6776529 Antiwear lubrication coating for bearing surfaces for hydrodynamic fluid bearings Aug. 17, 2004
6765326 Cooling device motor having a hydrodynamic bearing with a unitary shaft thrust supporter Jul. 20, 2004
6702464 Dynamic pressure bearing with improved starting characteristics Mar. 9, 2004
6428211 Hydrodynamic gas bearing structure Aug. 6, 2002
6400052 Motor and rotary apparatus having motor Jun. 4, 2002
6378209 Method of producing fluid bearing device Apr. 30, 2002
6371650 Hydraulic dynamic bearing and spindle motor and rotary assembly provided Apr. 16, 2002
6361214 Hydrodynamic-pressure bearing device and motor provided with the hydrodynamic-pressure bearing device Mar. 26, 2002
6341896 Hydrodynamic bearing and method of manufacturing the same Jan. 29, 2002
6338574 Bearing mechanism, hard disk drive mechanism and polygon mirror drive mechanism using the bearing mechanism, and method for manufacturing herringbone groove portions of dynamic-pressure bearin Jan. 15, 2002
6280089 Rotational shaft for a non-ball type bearing Aug. 28, 2001
6276831 Rotary apparatus with asymmetrically formed dynamic pressure generating grooves Aug. 21, 2001
6256885 Hydrodynamic gas bearing and manufacturing method thereof Jul. 10, 2001
6200033 Hydrodynamic gas bearing and manufacturing method thereof Mar. 13, 2001
6088557 Electrostatographic printing apparatus with endless recording belt Jul. 11, 2000
6082900 Dynamic pressure pneumatic bearing structure and method of manufacturing the same Jul. 4, 2000
6076456 Flywheel quill with thrust plates and axial rotor guiding Jun. 20, 2000
6034454 Motor Mar. 7, 2000
6033118 Hydro-dynamic fluid bearing device and manufacturing method of the same Mar. 7, 2000
6024493 Air bearing Feb. 15, 2000
6010246 Hydrodynamic bearing apparatus and method of manufacturing it Jan. 4, 2000

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