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Class Information
Number: 384/123
Name: Bearings > Rotary bearing > Fluid bearing > Thrust > Grooved bearing surface
Description: Subject matter wherein the bearing surface has a narrow furrow, or hollow cut for passage of the fluid.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8678654 Axial bearing for use in a hydraulic device, a hydraulic transformer and a vehicle with a hydraulic drive system Mar. 25, 2014
8668388 Bearing assemblies, apparatuses, and motor assemblies using the same Mar. 11, 2014
8641860 Adhesive height setting Feb. 4, 2014
8628246 Groove configuration for a fluid dynamic bearing Jan. 14, 2014
8585290 Fluid dynamic bearing having pressure-generating surface patterns Nov. 19, 2013
8562219 Fluid dynamic bearing device Oct. 22, 2013
8562218 Fluid dynamic bearing system and a spindle motor having a fluid dynamic bearing system Oct. 22, 2013
8562217 Compact non-contact mechanical coupling, damping and/or load bearing device Oct. 22, 2013
8475049 Fluid dynamic bearing assembly Jul. 2, 2013
8454237 Spindle motor Jun. 4, 2013
8379345 Spindle motor having dynamic pressure fluid bearing for use in a storage disk drive Feb. 19, 2013
8366321 Bearing unit, and motor and electronic apparatus having bearing unit Feb. 5, 2013
8366322 Shaft member for fluid dynamic bearing device Feb. 5, 2013
8300355 Fluid dynamic bearing, spindle motor having the fluid dynamic bearing, and storage apparatus having the spindle motor Oct. 30, 2012
8284515 Fluid dynamic pressure bearing device, spindle motor and disk drive apparatus Oct. 9, 2012
8284513 Fluid dynamic pressure bearing device, spindle motor and disk drive apparatus Oct. 9, 2012
8240921 Axial bearing for a turbocharger Aug. 14, 2012
8240917 Fluid dynamic bearing pattern and fluid dynamic bearing Aug. 14, 2012
8215841 Bearing assembly for use in earth drilling Jul. 10, 2012
8157447 Groove configuration for a fluid dynamic bearing Apr. 17, 2012
8042272 Method of aligning a thrust bearing Oct. 25, 2011
8021105 Hydrodynamic axial bearing Sep. 20, 2011
8007177 Fluid dynamic bearing system Aug. 30, 2011
8007262 Compressor with thrust bearing having insular pressure- receiving portions on sliding surface and diamond-like carbon layer on another sliding surface Aug. 30, 2011
7946770 Hydrodynamic bearing device May. 24, 2011
7878777 Scroll compressor having grooved thrust bearing Feb. 1, 2011
7866888 Hydrodynamic bearing with sloping surface Jan. 11, 2011
7862238 Hydrodynamic bearing rotary device and information apparatus Jan. 4, 2011
7837390 Hydrodynamic bearing, motor including the same, and recording and reproducing apparatus Nov. 23, 2010
7789565 Fluid dynamic bearing apparatus Sep. 7, 2010
7775719 Bearing unit and rotary drive using the same Aug. 17, 2010
7753590 Bearing unit and driving motor using the bearing unit Jul. 13, 2010
7748964 Blood pump apparatus Jul. 6, 2010
7736061 Fluid dynamic bearing motor, and recording-medium driving apparatus Jun. 15, 2010
7698064 Gas supported inertial sensor system and method Apr. 13, 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
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
7568839 Fluid dynamic pressure bearing, motor, and recording medium driving device Aug. 4, 2009
7540664 Grooves on both the moving and the stationary mating fluid dynamic bearing surfaces for performance enhancement Jun. 2, 2009
7524113 Hydrodynamic bearing device Apr. 28, 2009
7513689 Hydrodynamic bearing device Apr. 7, 2009
7458158 Method of making a sliding bearing Dec. 2, 2008
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
7384104 Oscillating disc cutter with speed controlling bearings Jun. 10, 2008
7293917 Spindle motor having hydrodynamic pressure bearing Nov. 13, 2007
7243626 Camshaft adjuster Jul. 17, 2007
7237955 Hydrodynamic bearing and disc rotation apparatus using the same Jul. 3, 2007
7237956 Hydrodynamic bearing and disc rotation apparatus using the same Jul. 3, 2007

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