| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 384121000 | Thrust | 50 |
| 20090046961 | THRUST PLATE, HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND INFORMATION APPARATUS EQUIPPED WITH SAME; AND METHOD FOR MANUFACTURING THRUST PLATE - There are provided a thrust plate with which there is less warpage when the thrust plate has been incorporated into a hydrodynamic bearing device, which improves the reliability of the hydrodynamic bearing device, as well as a hydrodynamic bearing device, a spindle motor, and an information apparatus equipped with this thrust plate, and a method for manufacturing a thrust plate. | 02-19-2009 |
| 20090052818 | Hybrid bearing - One embodiment of a hybrid vertical axis rotating load carrying bearing with continuously variable operating conditions able to carry surprisingly heavy weight, and occasionally easily able to carry drastically more weight than that; The preferred embodiment has 3 different types of bearings combined to form one ideal bearing. The first type of bearing is a half ball and female sliding bearing. The second type of bearing is a floating bearing that surrounds the sliding bearing. The third type of bearing is rolling bearings. In this preferred embodiment with 3 different types of bearings, the rolling bearings are partially engaged under ideal load weight conditions, and nearly fully engaged under severe load weight conditions. The sliding and floating bearings are always fully engaged into the vertical weight load no matter what the vertical weight load may be. | 02-26-2009 |
| 20090080817 | FLUID DYNAMIC PRESSURE BEARING, SPINDLE MOTOR, DISK DRIVER, AND PRODUCTION METHOD OF THE FLUID DYNAMIC PRESSURE BEARING - A thrust plate used in a fluid dynamic pressure bearing of the present invention includes a concave portion in which a lower end portion of a shaft is accommodated. The thrust plate is immersed in a lubricant, and is disposed between the lower end portion of the shaft and a bottom-portion upper surface of a bearing housing without being fixed to the bearing housing. | 03-26-2009 |
| 20090154852 | HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND INFORMATION RECORDING AND REPRODUCING APPARATUS - The hydrodynamic bearing device comprises a sleeve | 06-18-2009 |
| 20090268995 | THRUST BEARING ASSEMBLY - A thrust bearing assembly comprising a bearing runner and a bearing carrier, the carrier defining a plurality of thrust pad sites annularly around the carrier, with a thrust pad disposed at a site and with the carrier limiting movement of the thrust pad in a direction generally radial to the longitudinal axis of the runner while allowing the thrust pad to move in a direction generally parallel to the longitudinal axis. Though the range of movement is limited, the pads can tilt under load to form a hydrodynamic wedge as is known in the art. An embodiment comprises a bearing runner having a wear resistant face and a bearing carrier defining thrust pad sites disposed annularly around the carrier. In one implementation, at each site, a deflection element (e.g., Belleville washer) is disposed in a cavity and a pad is disposed over the deflection element. The pad can be at least partially disposed within the cavity. The wear resistant face contacts the pad. Another embodiment rigidly connects pads disposed oil opposite sides of a stationary bearing carrier. Another embodiment attaches pads to a bearing carrier using pad holder assemblies. | 10-29-2009 |
| 20100310200 | ROTARY FLEXURE AND AIR BEARING SUPPORT FOR ROTARY INDEXING SYSTEM - A highly position-stabilized indexable table or “dial” in which the dial is supported relative to a steel surface on a frame by one or more air bearings. A flexure mechanically connects the indexing motor to the dial in such a way as to be torsionally non-compliant, but axially compliant to decouple the dial from the motor shaft along the Z-axis. In one embodiment, the air bearings are mounted to the frame at uniformly angularly displaced positions under the dial. In another embodiment, the bearings are partially integrated into the dial. Negative (suction) preload can be used in either embodiment to increase air bearing stiffness and/or to allow inverted processing; i.e., mounting part fixtures on an undersurface of the dial. | 12-09-2010 |
| 20110176758 | FLUID DYNAMIC BEARING DEVICE - In order to easily and inexpensively manufacture a shaft member provided with a flange, which is capable of stably yielding excellent bearing performance, a shaft member ( | 07-21-2011 |
| 20120314981 | HYDRODYNAMIC BEARING ASSEMBLY AND METHOD OF MANUFACTURING THE SAME - There are provided a hydrodynamic bearing assembly and a method of manufacturing the same. The hydrodynamic bearing assembly includes: an oil sealing part formed between a fixed member and a rotating member; and an oil barrier film disposed so as to prevent leakage of oil from the oil sealing part and including a self-assembled monolayer formed on a surface of at least one of the fixed member and the rotating member. The oil barrier film may be easily formed at room temperature and be continuously used for a long period of time without being damaged due to external impacts. | 12-13-2012 |
| 20120321231 | AXIAL BEARING ARRANGEMENT - A hydrodynamic axial sliding bearing is disclosed. The bearing includes a substantially planar sliding surface. The bearing includes a bearing surface, wherein the bearing surface separated by a lubricating gap with at least one annularly arranged segment in at least two coaxial ring zones, and wherein each segment comprising a wedge surface and an engagement surface | 12-20-2012 |
| 20130188895 | AIR BEARING FOR USE AS SEAL - In order to effect a seal; a porous material which comprises one side of two opposing surfaces is used to restrict and evenly distribute externally pressurized gas, liquid, steam, etc. between the two surfaces, exerting a force which is opposite the forces from pressure differences or springs trying to close the two faces together and so may create a non contact seal that is more stable and reliable than hydrodynamic seals currently in use. | 07-25-2013 |
| 20130330029 | HYDRODYNAMIC BEARING ASSEMBLY AND MANUFACTURING METHOD THEREOF - There are provided a hydrodynamic bearing assembly and a manufacturing method thereof. The hydrodynamic bearing assembly includes: an oil sealing part formed between a fixed member and a rotating member; and a silicon containing diamond-like-carbon (Si-DLC) or tungsten carbide (W-Carbide) coating layer formed on at least one surface of the fixed member and the rotating member. The silicon containing diamond-like-carbon (Si-DLC) or tungsten carbide (W-Carbide) coating layer is formed on the at least one surface of the fixed member and the rotating member, whereby abrasion of the fixed member and the rotating member due to friction therebetween may be prevented. | 12-12-2013 |
| 20140105525 | Dry Gas Thrust Bearing for Use in Rotating Equipment - A dry gas thrust bearing is provided for use in rotating equipment and more particularly, this thrust bearing is designed to support compressor/turbine thrust loads in an improved arrangement which does not require oil lubrication and which is designed to support necessary shaft thrust loading by the utilization of a dry gas film. The bearing includes a shaft rotor between two axially movable stators and relies on a dry gas film to separate the rotor and stators. The stators are axially loaded by a double spring package arranged in series wherein a lightly loaded spring engages the stator during zero thrust applications, and as the shaft begins to rotate and encounter axial thrust, a heavier stiffer spring, greater than the thrust load, quickly engages. | 04-17-2014 |
| 20140270608 | METHOD FOR MOMENTARY HYDROSTATIC OPERATION OF HYDRODYNAMIC THRUST BEARINGS IN A VERTICAL FLUID DISPLACEMENT MODULE - A method for axial support of a pump or compressor rotor shaft during start-up or shut-down of a vertical fluid displacement module for subsea operation including a motor and a pump or compressor. Lubrication fluid is momentarily supplied for hydrostatic operation of hydrodynamic thrust bearing(s) from a topside or land-based fluid supply via a flow control module arranged in conjunction with a subsea pressure control unit configured for controlling the supply and discharge of barrier and lubrication fluids to/from the fluid displacement module. | 09-18-2014 |
| 20140286601 | FLUID DYNAMIC BEARING MOTOR INCLUDING PLASTIC - Provided herein, in some embodiments, is an apparatus including a plastic component; a stationary component including a thrustplate; a rotatable component including the plastic component affixed to a sleeve; and at least a first fluid dynamic bearing formed between the thrustplate and an opposing surface of the rotatable component. | 09-25-2014 |
| 20140376843 | ROTATING SHAFT TOP COVER ATTACHED MOTOR - Provided herein, is an apparatus that includes a stationary component, a rotatable component, and an upper journal bearing and a lower journal bearing. The upper journal bearing and the lower journal bearing are defined in a gap between the stationary component and the rotatable component, and the stationary component and rotatable component are configured for relative rotation. A thrust bearing is disposed between the upper journal bearing and the lower journal bearing. | 12-25-2014 |
| 20150043845 | DEBRIS RESISTANT THRUST BEARING ASSEMBLY FOR HIGH SPEED HYDRAULIC CENTRIFUGAL TURBINES AND PUMPS - A rotating assembly adapted for use in turbines and pumps is provided. The rotating assembly includes a shroud that rotates around a central axis and a disk seated in a recess in the shroud so that the disk rotates with the shroud, the disk being oriented perpendicular to the central axis. The rotating assembly also includes a stationary element in which at least one surface of the disk contacts a fluid so that when the fluid flows under pressure, the surface of the disk resists the generation of drag between the surface and the stationary element of the rotating assembly. A shroud is provided that includes a circular recess with a cavity on an outer perimeter extending away from the fixed assembly. A method of manufacturing a rotating assembly is provided. | 02-12-2015 |
| 20150131931 | AXIAL BEARING ARRANGEMENT - A hydrodynamic axial bearing is provided with segments arranged on a circular ring on axial bearings, wherein a plurality of pressure fields are built up. The length of the individual segments is defined in the circumferential direction, between a first edge and a second edge. The first edge delimits the wedge surface of the segments. In fast-rotating bearings, the ratio of segment width to segment length has a decisive influence on the attainable load-bearing capacity and resulting friction losses. The load-bearing capacity and friction losses are improved by increasing the segment length more intensely with increasing radius. The first edge does not run straight but rather has steps, is arcuate or has linear portions with different gradients. | 05-14-2015 |
| 20150139574 | RADIAL CHANNEL WITH FLUID RESERVOIR - Provided is an apparatus, including a stationary component; a rotatable component, wherein the stationary component and the rotatable component are positioned for relative rotation; a first sealing means positioned in a radial channel at a first axial end of the rotatable component; a second sealing means positioned in an axial channel at a second axial end of the rotatable component; and a fluid reservoir adjacent to the first sealing means and extending radially outward from the first sealing means, wherein the fluid reservoir is positioned radially outward from the pump seal, and wherein the fluid reservoir extends radially outward from the pump seal. | 05-21-2015 |
| 20160010683 | AXIAL BEARING | 01-14-2016 |
| 20160010684 | AXIAL BEARING OR COMBINED AXIAL/RADIAL BEARING | 01-14-2016 |
| 384122000 | Pivoted fluid pad | 6 |
| 20120020598 | Tilting Pad Bearing - A tilting pad bearing comprises a piston carrier ring that may include a plurality of voids spaced around the piston carrier ring, wherein a channel may be formed in a surface of the piston carrier ring opposite the plurality of voids. A carrier end plate may be positioned in the channel and secured to the piston carrier ring, wherein a recess may be formed in a top surface of the carrier end plate. A piston may be positioned in each void, wherein a bottom face of each piston is positioned adjacent the recess. The pistons may be substantially secured in the voids using a plurality of membranes, wherein one membrane corresponds to one piston and one void. Alternatively, the pistons may be formed in two pieces secured via a membrane. Each piston may be engaged with a bearing pad and/or interface member in a bearing pad carrier ring. | 01-26-2012 |
| 20120063711 | HYDRODYNAMIC BEARING WITH ADAPTIVE DISPLACEMENT CONTROL - A hydrodynamic bearing includes a housing defining a central axis, a pad slidable relative to the housing in a direction substantially parallel to the central axis, a cylinder defined in one of the housing and the pad, a lubricant port in fluid communication with the cylinder, and a piston at least partially positioned in the cylinder. The piston is movable within the cylinder between a retracted position and an extended position in response to a flow of lubricant through the lubricant port to vary an axial spacing between the pad and the housing. | 03-15-2012 |
| 20130343681 | METHODS OF OPERATING A BEARING APPARATUS INCLUDING TILTING PADS - Embodiments of the invention relate to tilting pad bearing assemblies and apparatuses. The disclosed tilting pad bearing assemblies and apparatuses may be employed in downhole motors of a subterranean drilling system or other mechanical systems. In an embodiment, a bearing assembly or apparatus includes a support ring and a plurality of tilting pads. Each tilting pad is tilted and/or tiltably secured relative to the support ring. In some embodiments, one or more of the tilting pads include a plurality of superhard bearing segments assembled to form a superhard bearing surface. One or more seams may be positioned between adjacent superhard bearing segments of the superhard bearing segments. In other embodiments, one or more of the tilting pads may include at least one or only one superhard bearing segment, such as a polycrystalline diamond bearing segment. | 12-26-2013 |
| 20140153851 | Tilting Pad Bearing - A tilting pad bearing comprises a piston carrier ring that may include a plurality of voids spaced around the piston carrier ring, wherein a channel may be formed in a surface of the piston carrier ring opposite the plurality of voids. A carrier end plate may be positioned in the channel and secured to the piston carrier ring, wherein a recess may be formed in a top surface of the carrier end plate. A piston may be positioned in each void, wherein a bottom face of each piston is positioned adjacent the recess. The pistons may be substantially secured in the voids using a plurality of membranes, wherein one membrane corresponds to one piston and one void. Alternatively, the pistons may be formed in two pieces secured via a membrane. Each piston may be engaged with a bearing pad and/or interface member in a bearing pad carrier ring. | 06-05-2014 |
| 20140355914 | METHODS OF OPERATING A BEARING APPARATUS INCLUDING TILTING PADS - Embodiments of the invention relate to tilting pad bearing assemblies and apparatuses. The disclosed tilting pad bearing assemblies and apparatuses may be employed in downhole motors of a subterranean drilling system or other mechanical systems. In an embodiment, a bearing assembly or apparatus includes a support ring and a plurality of tilting pads. Each tilting pad is tilted and/or tiltably secured relative to the support ring. In some embodiments, one or more of the tilting pads include a plurality of superhard bearing segments assembled to form a superhard bearing surface. One or more seams may be positioned between adjacent superhard bearing segments of the superhard bearing segments. In other embodiments, one or more of the tilting pads may include at least one or only one superhard bearing segment, such as a polycrystalline diamond bearing segment. | 12-04-2014 |
| 20160160919 | Thrust Bearing Pad Having Metallic Substrate - A thrust bearing pad includes a relatively low wear and low friction contact layer disposed on a metallic substrate. The metallic substrate allows a manufacturer to couple the thrust bearing pad to a corresponding metallic thrust bearing in a relatively secure manner while the contact layer extends the operating life of the thrust bearing and minimizes maintenance. | 06-09-2016 |
| 384123000 | Grooved bearing surface | 21 |
| 20080205804 | Simplified Fluid Dynamic Bearing Design - The invention is related to a fluid dynamic bearing design, wherein inner wall of bearing or surface of shaft is made with inner grooves having self-lubricating functions to effect radial pressure waves according to stable bearing operating requirements as well as working and assembly methods. Embodiments of said inner grooves include seal, open and re-circulation types, wherein seal type inner grooves reduces overflow of lubricants, while open type rifling grooves and re-circulation type grooves allows for recirculation of lubricating fluid to promote rotational stability of the shaft. | 08-28-2008 |
| 20080205805 | Fluid dynamic bearing having pressure-generating surface patterns - The invention relates to a fluid dynamic bearing system having pressure-generating surface patterns that comprises at least two bearing parts that are rotatable with respect to one another and form a bearing gap filled with bearing fluid between associated bearing surfaces. The surface patterns are disposed on at least one bearing surface that is defined by a first rim and a second rim, hydrodynamic pressure being built up within the bearing gap on rotation of the bearing parts with respect to one another. According to the invention, at least parts of the surface patterns extend from the first rim to the second rim of the bearing surface. | 08-28-2008 |
| 20090034889 | FLUID DYNAMIC BEARING, FLUID DYNAMIC BEARING-TYPE DISC DRIVE, AND METHOD OF MANUFACTURING FLUID DYNAMIC BEARING - In a disclosed fluid dynamic bearing motor, and a disc drive employing the same, variations in motor performance due to a change in viscosity of a bearing fluid caused by a temperature change is canceled. The fluid dynamic bearing includes a sleeve with a shaft insertion hole in it. A shaft is rotatably inserted into the shaft insertion hole. A bearing fluid is disposed between an internal surface of the shaft insertion hole and the shaft. The shaft is formed of a material selected from a group consisting of steel, iron alloy material, aluminum alloy material, and copper alloy material. The sleeve is made of titanium material. | 02-05-2009 |
| 20090238505 | Stampable thrust washer with flow cutouts - A stampable thrust washer for a torque converter including an inner circumference, an outer circumference, and a plurality of cutouts disposed in the thrust washer, wherein the cutouts are in fluid communication with the inner and outer circumferences when said thrust washer is engaged between two rotationally engaged components. | 09-24-2009 |
| 20090257693 | GROOVE CONFIGURATION FOR A FLUID DYNAMIC BEARING - A groove configuration that improves angular stiffness in a fluid dynamic bearing is provided. A primary groove and a secondary groove are formed on a journal bearing or thrust bearing surface. The secondary groove apex induces a heightened pressure response at a localized area to counteract angular displacement. The primary groove extends a greater circumferential distance about the bearing surface as compared to the secondary groove. The secondary groove apex is also situated closer to an axial end of the journal bearing, or closer to an outer diameter of the thrust bearing, as compared to the primary groove apex. Bearing wear is prevented or minimized under gyroscopic loading. The improved angular stiffness may result in the heads of a storage device being accurately aligned with disc storage tracks. Discs may thus be designed with increased track densities, allowing for smaller discs and increased storage capacity of discs. | 10-15-2009 |
| 20110064342 | SINGLE THRUST BEARING FLUID DYNAMIC BEARING MOTOR - A typical dynamic bearing design comprises a ring shaped or circular thrust plate mounted at or near the end of a shaft, the shaft defining together with a surrounding sleeve a journal bearing by providing grooves on only one of the two surfaces facing the gap between the shaft and sleeve. On the ring shaped thrust plate supported by the shaft, the traditional upward thrust bearing defined between the lower face of the thrust plate and the facing surface of the sleeve is maintained; but no grooves are on the surface of the thrust plate distant from the shaft and a facing counterplate surface. Further, the journal bearing is defined to have an asymmetry so that a bias force pressure along the surface of the shaft toward the thrust plate is established. The combination of the journal groove asymmetry pumping action toward the shoulder or thrust plate, together with the single grooved thrust bearing, is sufficient to establish a constant pressure between the distal surface of the thrust plate and the facing counterplate, as well as between the groove thrust plate and the facing shoulder surface. | 03-17-2011 |
| 20120163742 | AXIAL GAS THRUST BEARING FOR ROTORS IN ROTATING MACHINERY - An axial gas thrust bearing for rotors in rotating machinery includes at least one radial disk, integral with or fastened to the rotor and one fixed seal facing each disk or two fixed seals positioned to surround each disk, lower portions of the seals being situated at a distance from the rotor to allow the inflow of compressed fluid passing in the gap between the respective disk and seals, thereby combining the properties of a balance piston and thrust bearing disk. | 06-28-2012 |
| 20130209011 | SLIDING COMPONENT - A positive pressure generating mechanism comprising a positive pressure generating groove is provided to a high-pressure side of one of two sliding surfaces that slide relative to each other in a pair of sliding components, and a negative pressure generating mechanism comprising a negative pressure generating groove is provided to a low-pressure side. The positive pressure generating groove and negative pressure generating groove are communicated with a high-pressure fluid side and separated from a low-pressure fluid side by a seal surface. | 08-15-2013 |
| 20130243356 | FLUID DYNAMIC BEARING APPARATUS, SPINDLE MOTOR, AND DISK DRIVE APPARATUS - A fluid dynamic bearing apparatus includes a first minute gap, a second minute gap, a third minute gap, a fourth minute gap, and a fifth minute gap. A flow of a lubricating oil from the fifth minute gap to the fourth minute gap is caused by a plurality of dynamic pressure generating grooves arranged within the fluid dynamic bearing apparatus. This flow causes air bubbles mixed in the lubricating oil within the fifth minute gap to flow toward the third minute gap and be discharged to an outside through the third minute gap. The fluid dynamic bearing apparatus further includes a plurality of dynamic pressure generating grooves and an all around groove. | 09-19-2013 |
| 20140023300 | FLUID PUMPING CAPILLARY SEAL FOR A FLUID DYNAMIC BEARING - An apparatus and method are provided for a robust and shock resistant fluid dynamic bearing. A fluid sealing system with fluid pumping and capillary features provides increased reliability and performance for small form factor disc drive memory systems. Concerns of motor jog are addressed, jog being the rapid and repeated opening and closing of spaces between relatively rotatable components that can dispel oil from, or draw air into, these spaces. The fluid pumping capillary sealing system includes a fluid pumping groove with a rib portion and a slot portion for pumping fluid. The fluid pumping capillary sealing system also includes a capillary seal. In an aspect, a sweeping rib sweeps fluid toward the bearing. A truncated rib is situated adjacent to the sweeping rib, the truncated rib extending a shorter radial distance as compared to the sweeping rib and forming a plenum region. | 01-23-2014 |
| 20140140644 | FLUID BEARING WITH NON-UNIFORM GROOVES - Provided herein is an apparatus, including a fluid dynamic bearing, wherein the fluid dynamic bearing includes a set of pressure-generating grooves, and wherein the set of pressure-generating grooves includes a plurality of chevron-shaped grooves, each chevron-shaped groove including at least two selected from a non-uniform depth, non-uniform angle, a non-uniform width, or a non-uniform length, selected to provide a predetermined spindle-motor stiffness to the journal bearing during steady-state operation and during a shock event. | 05-22-2014 |
| 20140233873 | THRUST BEARING DEVICE FOR SUPERCHARGER - A thrust bearing device is constituted by a turbine-side thrust collar and a compressor-side thrust collar that are fixed to a rotary shaft; and a thrust bearing that is arranged between the thrust collars. The thrust bearing is provided with an oil passage that supplies lubricating oil r to sliding-contact surfaces formed between the thrust bearing and the thrust collars. The outsides of the thrust collars in a radial direction incline toward the thrust bearing side. A gap c between the sliding-contact surfaces is narrowed as the gap goes outward in the radial direction, and establishes a basic region gap (c | 08-21-2014 |
| 20140294330 | SLIDING COMPONENT - A positive pressure generating mechanism comprising a positive pressure generating groove is provided to a high-pressure side of one of two sliding surfaces that slide relative to each other in a pair of sliding components, and a negative pressure generating mechanism comprising a negative pressure generating groove is provided to a low-pressure side. The positive pressure generating groove and negative pressure generating groove are communicated with a high-pressure fluid side and separated from a low-pressure fluid side by a seal surface. | 10-02-2014 |
| 20140294331 | SLIDING COMPONENT - A positive pressure generating mechanism comprising a positive pressure generating groove is provided to a high-pressure side of one of two sliding surfaces that slide relative to each other in a pair of sliding components, and a negative pressure generating mechanism comprising a negative pressure generating groove is provided to a low-pressure side. The positive pressure generating groove and negative pressure generating groove are communicated with a high-pressure fluid side and separated from a low-pressure fluid side by a seal surface. | 10-02-2014 |
| 20140307989 | GROOVED THRUST BEARING - Provided herein is an apparatus, including an inner component, wherein the inner component includes a thrust plate; an outer component, wherein the inner component and the outer component are positioned for relative rotation, and wherein the inner component and the outer component are positioned to form at least one bearing having a groove pattern that imparts a predetermined direction to the rotational motion of the inner component and the outer component; and a gas inlet operable to receive a pressurized gas. | 10-16-2014 |
| 20140314352 | SLIDING COMPONENT - A positive pressure generating mechanism comprising a positive pressure generating groove is provided to a high-pressure side of one of two sliding surfaces that slide relative to each other in a pair of sliding components, and a negative pressure generating mechanism comprising a negative pressure generating groove is provided to a low-pressure side. The positive pressure generating groove and negative pressure generating groove are communicated with a high-pressure fluid side and separated from a low-pressure fluid side by a seal surface. | 10-23-2014 |
| 20140314353 | AXIAL SLIDING BEARING - An axial sliding bearing has a sliding ring disposed between two planar, ring-shaped sliding surfaces pressure-stressed against one another. The axial sliding bearing is overload-proof, in particular by about 30% to 80% with regard to the average pressure stress of about 30 to 40 bar per wedge segment that is usual in the case of wedge segment bearings, and at the same time, is not susceptible to axial vibrations, and, in this connection, can be easily produced in terms of production technology, and easily installed, and furthermore does not permit the “snap-over effects” that drastically impair the lubricant wedge effect, so that even under more difficult operating conditions, targeted optimal variation of the wedge angle, adapted to the operating conditions, in each instance, is always guaranteed, and great reliability of the axial sliding bearing, at a long useful lifetime, can be guaranteed, while simultaneously expanding the optimal dynamic supporting range. | 10-23-2014 |
| 20140369631 | BEARING GAP DETERMINED DEPTH AND WIDTH - Provided herein, is an apparatus that includes a fluid dynamic bearing defined in a gap between a stationary component and a rotatable component. The fluid dynamic bearing includes a first portion of the gap at an axial end of the fluid dynamic bearing, and a second portion of the gap. The first portion of the gap is narrower than the second portion of the gap. A groove in the fluid dynamic bearing on the stationary component or the rotatable component includes a portion of a predetermined width or a predetermined depth. The portion of the predetermined width or predetermined depth is selected based on the first gap or the second gap. | 12-18-2014 |
| 20150043846 | THRUST BEARING FOR HVAC COMPRESSOR - Embodiments of a thrust bearing that may be used with a crankshaft of a HVAC compressor, particularly a HVAC compressor with a vertical or near-vertical placed crankshaft (e.g. a scroll compressor) are provided. The thrust bearing may generally include a bearing header and an insert. The insert may include an insert surface, which is configured to interact with a shaft surface of the crankshaft. The insert surface of the insert may include surface features that may help create flow behavior of the lubricant by a relative motion between the shaft surface of the crankshaft and the insert surface of the insert. The flow behavior of the lubricant may help separate the insert surface of the insert and the shaft surface of the crankshaft by the lubricant in operation to form the bearing, such as a hydrodynamic bearing. | 02-12-2015 |
| 20150055898 | HYDRODYNAMIC AXIAL BEARING - The invention relates to an axial bearing comprising a slide ring ( | 02-26-2015 |
| 20150316093 | MAIN BEARING HOUSING, DYNAMIC SCROLL COMPONENT AND SCROLL COMPRESSOR - Disclosed are a main bearing housing ( | 11-05-2015 |
| 384124000 | Resilient mounting member or seal | 3 |
| 20090279819 | FLUID DYNAMIC BEARING DEVICE - To achieve an increase in bearing stiffness and cost reduction, an oil film is formed in a radial bearing clearance of a first radial bearing portion (R | 11-12-2009 |
| 20130071055 | FLUID-RIDING DEVICE - A fluid-riding seal | 03-21-2013 |
| 20140044383 | SPINDLE MOTOR - A spindle motor includes a sleeve fixed to a base member, the sleeve having a circulation hole, a shaft rotatably inserted into a shaft hole of the sleeve, a rotor hub fixed to an upper end of the shaft, and a thrust member disposed in an installation groove of the sleeve, the thrust member defining a connection part connected to the circulation hole when the thrust member is disposed in the installation groove. The connection part connects a sealing part in which a gas-liquid interface defined by the sleeve and the rotor hub is disposed in the circulation hole. | 02-13-2014 |
