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Class Information
Number: 384/114
Name: Bearings > Rotary bearing > Fluid bearing > Radial
Description: Subject matter designed for loads imposed only normal to the axis of rotation.


Sub-classes under this class:

Class Number Class Name Patents
384/120 Circumferential groove in outer member 45
384/116 Half-circular or less outer member 22
384/118 Outer recess forming fluid pad 78
384/117 Pivoted fluid pad 94
384/119 Resilient mounting member or seal 137
384/115 Shaft recess 91


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7619339 Fluid dynamic bearing assembly for directing bubbles Nov. 17, 2009
7566174 Fluid lubricated bearing device Jul. 28, 2009
7559696 Active thrust management system Jul. 14, 2009
7525226 Dynamic pressure bearing and motor using the same Apr. 28, 2009
7491043 Variable displacement pump having a rotating cam ring Feb. 17, 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
7431506 Motor with fluid dynamic bearing and fan employing the motor Oct. 7, 2008
7429132 Hydrostatic air bearing with a porous metal ring Sep. 30, 2008
7422370 Hydraulic compensation for magnetically biased fluid dynamic bearing motor Sep. 9, 2008
7416341 Capillary reservoir for FDB motors Aug. 26, 2008
7407327 Method and system for withstanding shock in a spindle motor bearing Aug. 5, 2008
7391139 Spindle motor and rotation apparatus Jun. 24, 2008
7380989 Fluid dynamic pressure bearing and recording disk drive device comprising the same Jun. 3, 2008
7364403 Lubricating system for a fan Apr. 29, 2008
7360950 Hydrodynamic bearing assembly Apr. 22, 2008
7354212 Image forming apparatus Apr. 8, 2008
7314314 Oil retaining structure of a spindle Jan. 1, 2008
7229214 Fluid dynamic bearing unit Jun. 12, 2007
7226211 Shaft for fluid dynamic bearing, fluid dynamic bearing device, and method of manufacturing the shaft Jun. 5, 2007
7196028 Sliding device, fluid dynamic pressure bearing, and motor using the same Mar. 27, 2007
7186027 Fan motor with fluid dynamic bearing Mar. 6, 2007
7186028 Hydrodynamic bearing device Mar. 6, 2007
7160622 Oil repelling agent Jan. 9, 2007
7125170 Fluid dynamic bearing motor Oct. 24, 2006
7090401 Grooving pattern for grooved fluid bearing Aug. 15, 2006
7088019 Air bearing for MEMS based motor Aug. 8, 2006
7077572 Lubricating oil guiding system for motor bearings Jul. 18, 2006
7059773 Hydrodynamic bearing, spindle motor and hard disk drive Jun. 13, 2006
7052254 Oil lubricant retaining bearing structure for a fan May. 30, 2006
7033078 Hydrodynamic bearing assembly and spindle motor having the same Apr. 25, 2006
7023116 Small brushless motor Apr. 4, 2006
7014366 Fluid dynamic bearing and magnetic disk apparatus Mar. 21, 2006
7008108 Gas bearing for a rapidly rotating shaft, comprising an adjusting device for eccentrically adjusting a gas bearing and a method for operating a gas bearing of this type Mar. 7, 2006
6979923 Motor having dynamic pressure fluid bearing and disc drive apparatus provided with the motor Dec. 27, 2005
6974257 Dynamic pressure bearing Dec. 13, 2005
6948669 Apparatus for mixing and aerating material Sep. 27, 2005
6948852 Hydrodynamic bearing, spindle motor and hard disk drive Sep. 27, 2005
6948854 Fluid dynamic bearing motor optimized for radial stiffness and power consumption Sep. 27, 2005
RE38791 Sliding bearing Sep. 6, 2005
6939046 Hydrodynamic bearing, spindle motor and hard disk drive Sep. 6, 2005
6905247 Fluid bearing and brushless motor having the same Jun. 14, 2005
6896143 Electrolytic machining method, method for manufacturing dynamic pressure bearing devices, and dynamic pressure bearing devices manufactured according to the manufacturing method May. 24, 2005
6880976 Hydrodynamic and hydrostatic hybrid bearing and its manufacturing method Apr. 19, 2005
6877902 Hydrodynamic bearing device Apr. 12, 2005
6872002 Bearing material for porous hydrostatic gas bearing and porous hydrostatic gas bearing using the same Mar. 29, 2005
6857781 Rotor bearing with propeller for increased lubricant flow Feb. 22, 2005
6848830 Oil-circulating structure for fan Feb. 1, 2005
6848829 Hydrodynamic bearing arrangement for a spindle motor Feb. 1, 2005
6837622 Dynamic pressure bearing apparatus Jan. 4, 2005

1 2 3 4


 
 
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