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7497627 |
Thrust bearing
A hydrodynamic bearing set, for use with a thrust disk disposed between planar surfaces of a housing, includes first and second topfoils disposed adjacent first and second thrust disk axial bearing...
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7261300 |
Hydrodynamic foil face seal
A foil thrust bearing forms the primary rotating interface for a film riding face seal. This face seal includes a spring system that will allow the entire assembly to translate axially relative to...
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7153028 |
Hydrodynamic bearing system
The invention relates to a hydrodynamic bearing system particularly for the rotary bearing of spindle motors to drive the platters in hard disk drives which comprises at least one inner bearing...
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7147377 |
Crush ring to seal the counter plate on hydrodynamic bearing
A fluid dynamic bearing including a shaft rotating within a sleeve and a thrust plate or the like supported at an end of the shaft rotating in a recess defined with the sleeve. The thrust plate...
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7137739 |
High pressure barrier to oil loss by diffusion
An improved rotational motor, such as a spindle motor for a disc drive, is provided. The motor first comprises a hub having a shaft portion and a horizontal body portion. The motor also comprises a...
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7001074 |
High pressure barrier to oil loss by diffusion
An improved rotational motor, such as a spindle motor for a disc drive, is provided. The motor first comprises a hub having a shaft portion and a horizontal body portion. The motor also comprises a...
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6952875 |
Crush ring to seal the counter plate on hydrodynamic bearing
A fluid dynamic bearing including a shaft rotating within a sleeve and a thrust plate or the like supported at an end of the shaft rotating in a recess defined with the sleeve. The thrust plate...
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6827495 |
Fluid bearing device
A spindle motor comprises a hollow shaft 13 having one end formed with a thrust plate 15 , and a sleeve 12 provided to face the shaft 13 through a radial fluid bearing clearance R...
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6499882 |
Sliding bearing
The improved sliding bearing provides fitting of a cap into a sleeve with steadily fixation of adhesive, and prevention of the remained adhesive outside of the desired area. The sliding bearing...
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6361217 |
High capacity thrust bearing
A high capacity thrust bearing is disclosed for use in a tubular drilling string to support axial loads resulting from upward or downward jarring forces. The thrust bearing comprises an inner...
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6354741 |
Foil thrust bearing
An improved foil thrust bearing includes a pair of members arranged for relative rotation with respect to one another. One of the pair of members is adapted to rotatably support the other. A thrust...
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6339515 |
Fluid bearing seal and support structure
A bearing structure for a spindle motor is disclosed. The bearing structure provides a fluid bearing seal and support structure that may simultaneously addresses the problems of preventing oil...
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6322252 |
Discrete fluid dynamic bearings
A discrete fluid dynamic bearing comprising a fluid dynamic bearing including a bearing cone mounted on a sleeve and defining in cooperation with a bearing seat having a surface facing an outer...
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6264368 |
Fluid bearing motor
A fluid bearing motor having sufficient room for securing an air chamber for use in quickly discharging bubbles that have entered a thrust fluid bearing and a reservoir for supplying a lubricating...
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6196722 |
Hydrodynamic bearing
It is an object of the present invention to provide a hydrodynamic bearing which is highly reliable and capable of preventing a lubricant contained therein from flowing out of the bearing. In the...
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6082901 |
Hydraulic axial bearing
A hydraulic axial bearing for a radially-mounted axle (1), which has a flange (1a) incorporating an outer, substantially axial sealing gap (7) formed between the flange and a sealing ring (3), and...
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6036413 |
High speed hydrodynamic spindle
A machine tool assembly, and particularly a spindle unit therefor, is provided wherein the spindle unit is relatively small and is designed to run at rotary speeds of between 30,000 rpm's and...
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6024495 |
Axial sliding bearing
The object of the invention is to provide a simple and cost-effective solution for reducing the wear and consequently for increasing the life of axial sliding bearings. For this purpose, the...
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6024494 |
Polymer-backed thrust bearings
A product lubricated thrust bearing includes an annular bearing disc made from a hard bearing material such as silicon carbide and having a plurality of radial lubrication grooves in at least one...
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6017168 |
Fluid assist bearing for telescopic joint of a RISER system
An undersea telescopic joint for a riser system is connected to a drilling vessel with a plurality of tensioners. The joint has a bearing with inner and outer annular mating members. A cap seals...
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5900903 |
Deflecting scanning apparatus
In a deflecting/scanning apparatus, a rotating polygon mirror is rotatably supported by an air bearing constituted by a stationary shaft and a rotating sleeve which are made of a ceramic material....
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5876124 |
Hydrodynamic bearing unit
A self-contained hydrodynamic bearing unit with improved sealing and performance is disclosed. Centrifugal capillary seals are angularly defined between an outwardly tapered outer surface of a top...
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5791786 |
Thrust bearing for a shaft of an open-end spinning rotor
An aerostatic bearing is provided for the thrust bearing arrangement of the shaft of an open-end spinning rotor. This aerostatic bearing comprises a bearing plate, which forms a bearing gap with...
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5765951 |
Plain bearing slide shoe with compression spring
An axial plain bearing comprising a plurality of slide shoes (2) which are arranged annularly about a bearing axis of rotation, each slide shoe (2) being provided with an annular peripheral recess...
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5735668 |
Axial bearing having independent pads for a centrifugal pump
An axial bearing includes a ring, pads and a base. Multiple, independent pads are orientated in a curved or circular configuration with respect to one another. The pads are retained by recesses in...
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5660481 |
Hydrodynamic bearings having beam mounted bearing pads and sealed bearing assemblies including the same
A hydrodynamic thrust, journal or combined radial and thrust bearing which may be mounted within a sealed housing assembly which can be, for example, be used to replace rolling element bearings....
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5634724 |
Hydrodynamic bearing for spindle motor having high inertial load
A self-contained hydrodynamic bearing unit includes a shaft having a threaded axial opening at one end thereof and a shaft shoulder adjacent the opening and perpendicular with a longitudinal axis...
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5620260 |
Variable characteristic thrust bearing
A hydrodynamic bearing which includes a carrier and a plurality of bearing pads circumferentially spaced about the carrier. The carrier is formed with a series of circumferentially spaced groups of...
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5593231 |
Hydrodynamic bearing
A hydrodynamic bearing (16) for a cutter cone assembly (12) that rotates around a journal (14). The bearing (16) comprises a plurality of grooves (88) on an outer surface (90) to produce...
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5558444 |
Bearings having spaced pads and methods of making the same
A hydrodynamic thrust, journal or combined radial and thrust bearing and methods of manufacturing the same. The bearing includes a bearing pad structure that may change shape and move in any...
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5520466 |
Flanged bearings
A flanged half bearing (10;50) comprises a shell portion (12;52) which provides a bearing surface (14;54) against which a shaft can rotate. A flange portion (16,18;56,58) of the bearing provides a...
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5433529 |
Fluid bearing construction employing thrust plate with pressure compensation ports
A construction for a fluid bearing in a rotary spindle apparatus includes a spindle having first and second ends, and at least one thrust plate coupled to a shaft which is surrounded by a hub...
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5399024 |
Face seal with hydrodynamic thrust pads
A face seal with hydrodynamic thrust pads assembly is provided. The assembly comprises a ring structure with a front side facing in an axial direction that has a seal face continuous about the ring...
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5393145 |
Pad type hydrodynamic thrust bearings having a modular construction
A hydrodynamic bearing which includes a carrier and a plurality of bearing pads circumferentially spaced about the carrier. The pads may have a modular construction whereby pad portions are secured...
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5385409 |
Non-contacting mechanical face seal of the gap-type
A rotary mechanical face seal for preventing leakage of a fluid, either liquid or gas, across two relatively rotating surfaces. The seal is of the non-contacting mechanical type in which a...
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5382097 |
Variable characteristic thrust bearng
A hydrodynamic bearing which includes a carrier and a plurality of bearing pads circumferentially spaced about the carrier. The carrier is formed with a series of circumferentially spaced groups of...
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5318366 |
Foil thrust bearing with varying radial and circumferential stiffness
A spring cluster disc (14) for a foil thrust bearing (10) is provided with a plurality of sets (52) of springs (62,64,66). The springs are configured to provide varying spring force and thus...
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5248205 |
Foil thrust bearing with varying radial and circumferential stiffness
A spring cluster disc (14) for a foil thrust bearing (10) is provided with a plurality of sets (52) of springs (62,64,66). The springs are configured to provide varying spring force and thus...
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5159866 |
Saw guide with sonic regulated gas lubrication
A saw guide system having a high pressure gas lubricated bearing surface, an elastic bearing block support, a contoured bearing surface, and sonic regulated flow. The velocity of the gas gradually...
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5098205 |
Open-end spinning device
An open-end spinning device with a spinning rotor (1) which is supported via its shaft (11) by support disks (4) and upon which an axially acting force is exerted is provided for its axial support...
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5098203 |
Bearing system
A bearing system comprised of a base made of a magnetic material. The bearing system is also comprised of an element disposed adjacent the base. The element is comprised of a device for creating a...
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5035519 |
Submersible thrust bearing apparatus
A thrust bearing including a ring-like form plate body, and a plurality of rib members provided on the ring-like form plate body of the thrust bearing. Such a plurality of rib members may be...
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4969752 |
Thrust bearing made of synthetic resin
A thrust bearing for use with an automobile thrust-strut type suspension comprises a lower casing made of resin, an upper casing made of resin, and a bearing piece made of resin. The bearing piece...
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4923312 |
Thrust bearing made of synthetic resin
A thrust bearing made of synthetic resin assembled into a strut-thrust type suspension for use in four wheel cars, comprising a casing made of synthetic resin and a bearing body made of synthetic...
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4919547 |
Dynamically self-adjusted fluid bearing
An essentially completely and automatically self-adjusting fluid bearing assembly includes at least a front and rear bearing cone mounted for rotation with a driven shaft. Associated with each cone...
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4892417 |
Elastomeric mount for thrust bearing shoe
An elastomeric mount for a thrust bearing shoe comprising a piston fluidly operative in a platform cavity, the piston isolated and sealed from the cavity by an elongated elastomeric bearing-seal....
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4884899 |
Resiliently mounted fluid bearing assembly
A fluid bearing assembly, e.g., air or gas, of the hydrostatic or hydrodynamic type, for use as a spindle and the like, includes spaced journals mounted on a shaft for rotation therewith. The...
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4822181 |
Hydrostatic support device and method
Fluid comsumption is dramatically reduced in hydrostatic support devices by texturing the supporting surface and/or the surface of the object being supported so that a series or constrictions or...
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4805972 |
Dynamic pressure gas bearing device
Disclosed is a dynamic pressure gas bearing device in a rotational unit in which a rotational member put on a cantilevered fixed shaft is designed such that an operating gas generated by a dynamic...
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4776229 |
Device for controlling the rectilinear translation of a movable member
A device for controlling the rectilinear translation of a movable member, comprises a screw engaged by a nut having cooperatingly shaped thread surfaces the dimensions of which are such that there...
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