Matches 1 - 50 out of 145 1 2 3 >


Match Document Document Title
US20110236187 BLOOD PUMP BEARINGS WITH SEPARATED CONTACT SURFACES  
Rotary hydrodynamic blood pumps have been used to treat over a thousand patients. The Jarvik 2000 has supported a patient for seven years and uses blood immersed bearings washed by high flow to...
US20130081438 HYBRID HYDRODYNAMIC AND HYDROSTATIC BEARING BUSHING AND LUBRICATION SYSTEM FOR ROLLING MILL  
Rolling mill bearings incorporate bearing bushings with pluralities of hydrostatic pad recesses, that are preferably in conjunction hydrodynamic bearings also formed within the bushing. Each...
US20150023620 HOOP FOR A HYDROSTATIC OR HYDRODYNAMIC BEARING, METHOD FOR MOUNTING SUCH A HOOP ON A SHAFT, AND ASSEMBLY FORMED BY SUCH A HOOP AND A SHAFT  
The invention relates to a hoop including a cylinder which, so that it can be mounted around a shaft, is formed by multiple parts that are assembled together using assembly means that can produce...
US20150070798 SPINDLE MOTOR AND DISK DRIVE APPARATUS  
A spindle motor is configured to rotate a disk in a case defined by a base plate and a top cover arranged to cover an upper side of the base plate. The spindle motor includes a fluid dynamic...
US20130113315 BEARING ASSEMBLY AND MOTOR INCLUDING THE SAME  
There is provided a bearing assembly including: a sleeve supporting a shaft; a base cover coupled to the sleeve by press-fitting and closing a lower portion of the sleeve; and at least one...
US20130127276 HYDRODYNAMIC BEARING ASSEMBLY AND MOTOR INCLUDING THE SAME  
There are provided a hydrodynamic bearing assembly and a motor including the same. The hydrodynamic bearing assembly includes: a sleeve having a shaft rotatably inserted therein; a hub provided on...
US20080256987 Balancer and drum washing machine having the same  
Disclosed is a drum washing machine having ball balancers for rapidly reducing the vibration of a drum. The drum washing machine includes a drum rotatably installed so as to wash or dehydrate...
US20080056628 Active oscillation isolation system by means of a hysteresis-free pneumatic bearing  
Method and arrangement for oscillation isolation by means of an air bearing. The electropneumatic valves (4) for the compressed-air supply to the air bearing are subjected to a dither signal. This...
US20120076449 BEARING LUBRICATING OIL AND BEARING  
A bearing oil contains a first monoester which is an ester of a branched chain fatty acid containing 18 carbon atoms or a monounsaturated fatty acid containing 18 carbon atoms and ethylhexyl alcohol.
US20060098904 Bearing element and hydrostatic bearing  
The invention relates to a bearing element (1, 1.1, 1.2) having at least one primary sliding surface (4) for supporting at least one secondary sliding surface (5) of an element (2) and having at...
US20090063764 Designed roughness and surface treatments for capillary buffer of fluid dynamic bearings  
A contoured region is disposed within a capillary buffer of a Fluid Dynamic Bearing. In one embodiment, the contoured region comprises at least one defined edge for arresting the displacement of a...
US20090161998 Method for optimizing a grooved bearing pattern on a bearing surface of a fluid dynamic bearing for the purpose of improving the bearing properties and an appropriate grooved bearing pattern  
The invention relates to a method for optimizing a grooved bearing pattern on a bearing surface of a fluid dynamic bearing for the purpose of improving the bearing properties as well as an...
US20050094905 Sliding radial bearing arrangement  
A sliding radial Bearing Arrangement (110, FIG. 4(b)) of the immersion-lubricated, profiled clearance type, particularly used with a vertical longitudinal rotation axis orientation, has a...
US20060252658 Lubricant for fluid dynamic bearing, spindle motor equipped therewith and magnetic disk unit  
A lubricant, comprising: a base oil as primary lubricant component, and a naphthenate salt as additive (A), and an alkylimidazole compound as additive (B), added to the base oil, preferably...
US20130127273 HYDRODYNAMIC BEARING ASSEMBLY AND MOTOR INCLUDING THE SAME  
There are provided a hydrodynamic bearing assembly and a motor including the same. The hydrodynamic bearing assembly includes: a sleeve having a shaft hole into which a shaft is rotatably...
US20090324150 THROUGH-SHAFT FLUID RECIRCULATION FOR A SPINDLE MOTOR  
An apparatus and method are described for a fluid dynamic bearing motor as may be utilized in a disc drive memory system. A fluid seal is situated at a first axial end of a bearing, and a grooved...
US20090085419 Hybrid touchdown bearing system  
Upon operation, flywheel assemblies sand other such rotational mechanisms are released by mechanical backup bearings, which then normally remain disengaged until shutdown as the flywheel assembly...
US20120020594 Connection Component for Oil Film Bearings  
A connection element able to be located between a part or neck of a rolling roll and a relative housing bushing as present in a chock for rolling stands, including a first external element and a...
US20090208152 Tapered roller bearing apparatus  
A tapered roller bearing for a pinion shaft according to the invention includes an inner ring that has an outer circumferential surface on which an inner ring raceway surface is formed and that is...
US20150023617 HYDROSTATIC BEARING  
A hydrostatic bearing adapted to be mated with a base includes a floating seat and a holder. The floating seat is made from a porous material and formed with a bearing surface that has a contour...
US20110101807 Hydrodynamic bearing assembly and motor having the same  
A hydrodynamic bearing assembly according to an aspect of the invention may include: a sleeve against which a shaft is supported so that an upper end of the shaft, being compressed and inserted...
US20060023981 GAS DYNAMIC PRESSURE BEARING, MOTOR HAVING THE GAS DYNAMIC PRESSURE BEARING, AND DISK DRIVE HAVING THE MOTOR  
A gas dynamic pressure bearing comprises a shaft, a sleeve whose inner peripheral surface is opposed to an outer peripheral surface of the shaft through a micro-gap, and a substantially...
US20090297077 Fluid dynamic pressure bearing and production method for the same  
A fluid dynamic pressure bearing composed of a cylindrical sintered compact includes: a thrust region which is formed on an end surface of the bearing and receives at least a thrust load; a...
US20060062499 Integrated hydrodynamic air bearing and seal  
A pressurized hydrodynamic bearing and seal assembly for radial and/or thrust bearings includes a stationary bearing member formed of a carbon/graphite material positioned adjacent a rotating...
US20140355913 METHOD FOR CONTROLLING A WIND TURBINE AND WIND TURBINE  
A wind turbine and method for controlling a wind turbine with a plain/sliding bearing and bearing lubrication means is disclosed. The method comprising the steps of Operating the bearing as a...
US20070183694 Performance judgment method for dynamic pressure bearing and dynamic pressure bearing  
First, an axial clearance is measured. Next, lubricating oil is filled between a sleeve and a shaft, and the shaft is disposed such that a flange is positioned above a shank. Further, in a state...
US20080178795 Gas Bearing Spindles  
A gas bearing spindle (2) for use in processing apparatus (1), for example ion implantation apparatus. The spindle (2) has a steel bearing surface (23) and a shaft (3) coated with chrome (3a) or...
US20140084724 HYDRODYNAMIC BEARING ASSEMBLY AND SPINDLE MOTOR INCLUDING THE SAME  
There are provided a hydrodynamic bearing assembly and a spindle motor including the same, the hydrodynamic bearing assembly including a sleeve having a shaft inserted therein, a rotor coupled to...
US20090074337 Hybrid hydro (air) static multi-recess journal bearing  
Multi-recess hydrostatic journal bearings support a rotating shaft and have inclined surfaces, each inclined surface forming a variable radial gap with the surface of the shaft, the variable gaps...
US20100077792 ELECTROSTATIC LUBRICANT AND METHODS OF USE  
An integrated thermodynamic system for enhancing the energy efficiency and operating lifetime by reducing wear of moving parts is provided. The system provides automated means to attract or repel...
US20050220378 Bearing unit and rotation and drive device  
The present invention relates to bearing unit for supporting a shaft 2 so as to freely rotate and includes a radial bearing 4 for supporting the shaft 2 so as to freely rotate and a housing member...
US20080279492 Fluid Dynamic Bearing Mechanism  
A fluid dynamic bearing mechanism that can ensure bearing rigidity, reduce shaft loss torque, reduce power consumption, stabilize axial rotation, and improve rotational accuracy is disclosed. The...
US20060002640 Composite dynamic bearing assembly and manufacturing method thereof  
A composite dynamic bearing assembly and manufacturing method thereof. The composite dynamic bearing assembly includes a bearing bracket and a bearing. The bearing bracket comprises an internal...
US20140112604 ADHESIVE HEIGHT SETTING  
Methods for adhering parts together using part gap spacers are provided herein. Part gap spacers are formed in a selected pattern and a selected height on a surface of at least one surface of two...
US20080310778 Air Foil Bearing Having a Porous Foil  
There is provided an air foil bearing. The air foil bearing comprises a bearing house and a first foil, wherein a first end of the first foil is fixed with respect to the bearing housing and a...
US20070071375 Fluid bearing device  
A fluid bearing device (50B, 50AB) is composed of a shaft (1, 51); a sleeve (9, 59) into which the shaft (1, 51) is inserted; and lubrication fluid (20) intervening in a gap between the shaft (1,...
US20060207098 Sleeve-Unit Manufacturing Method, Sleeve Unit, and Motor  
In the manufacture of a sleeve unit (22), when a sleeve (221) is to be glued to a sleeve housing (222), an endfaces (225) of the sleeve (221) while abutting on a sleeve retainer (51) is...
US20090103840 BEARING MEMBER AND METHOD FOR MANUFACTURING THE SAME, AND BEARING UNIT HAVING BEARING MEMBER AND METHOD FOR MANUFACTURING THE SAME  
A different-diameter clearance of high accuracy is created at low cost, thereby improving the bearing performance and the sealing capability. An inner periphery 5a of a molded part 5 having a step...
US20080317392 Air purging for a fluid dynamic bearing  
A robust spindle motor is provided having improved shock resistance for fluid containment, as well as enhanced air purging characteristics. In an aspect, axial displacement of relatively rotating...
US20060078239 Wave bearings in high performance applications  
The present disclosure concerns the application of the “Wave Bearing Concept” to journal and thrust fluid film bearings to increase performance and reliability. The wave surface is present on...
US20090116771 LUBRICANT COMPOSITION, BEARING OIL AND BEARING USING SAME  
Disclosed is a lubricant composition comprising a base oil which contains 50% by mass or more of at least one of an α-olefin oligomer and a hydrogenated product of an α-olefin oligomer and in...
US20110299801 VENTURI DRAIN FOR SELF-PUMPING BEARING ROLLING MILLS  
A system is disclosed for use in a rolling mill oil film bearing to remove oil exiting from between a rotating sleeve and a fixed bushing surrounding the sleeve. The system comprises an annular...
US20050089252 Dynamic gas bearing of a shaft comprising polygonal mirrors and a low-pressure polygonal room  
The invention relates to a dynamic gas bearing of a motor spindle comprising a rotating shaft that is received in a housing on gas bearings in the radial and axial direction, said shaft comprising...
US20120050912 Hydrodynamic bearing assembly, motor provided with the hydrodynamic bearing assembly and recording disk driving device equipped with the motor  
There are provided a hydrodynamic bearing assembly capable of implementing a flat-type oil cover, while reducing a thickness of the oil cover, by strengthening the rigidity of the oil cover, a...
US20090103839 Fluid dynamic bearing motor having molded plastic  
A fluid dynamic bearing motor and method are described, wherein motor components, including complex shaped motor components, are molded of plastic. The molding ensures form control and dimensional...
US20130195387 STEPPED BEARING  
A bearing assembly having a cylindrical outer bearing shell. The outer bearing shell including a first annular outer land, a second annular outer land, and a recess therebetween. The outer bearing...
US20050117822 Bearing for heat dissipating fan  
An improved bearing for a heat dissipation fan has an oil chamber for containing lubricant. The oil chamber has a sidewall extending between one open end and one closed end. The closed end is...
US20070071374 Motor oil leakage protection structure  
The invention relates to a motor oil leakage protection structure, which includes a shaft tube. The inner wall of the shaft tube is formed at least two cascaded holes with different inner...
US20060039632 Dynamic pressure bearing assembly  
The present invention discloses an improved dynamic pressure bearing assembly, comprising a bearing, an axial hole passing through the bearing, a plurality of aslant planes milled by a milling...
US20070223848 Fluid dynamic bearing system  
The invention relates to a fluid dynamic bearing system particularly for a spindle motor having a rotating component comprising a shaft and a hub connected to the shaft, and a stationary component...

Matches 1 - 50 out of 145 1 2 3 >