Matches 1 - 50 out of 90 1 2 >
Match Document Document Title
7614792 Compliant foil fluid film radial bearing or seal  
A compliant foil fluid film bearing or seal apparatus includes a bushing having a plurality of peripherally separate bushing segments. The bushing has a bore defined therethrough, with a peripheral...
7553086 Hydrodynamic journal bearing  
A journal foil bearing comprising a retaining member having an inner surface which defines a shaft opening within which a rotatable shaft is receivable for rotation; and a foil assembly affixed to...
7530742 Foil bearing  
The present invention provides a foil bearing ( 1 ), comprising: a stationary mount member ( 2 ) surrounding an outer circumferential surface of a journal ( 13 ) of a rotating member via an annular...
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...
7494282 Radial foil bearing  
The present invention provides a radial foil bearing for supporting a high-speed rotating shaft. The radial foil bearing comprises a top foil ( 1 ): a key ( 2 ) welded to a cut portion of the top...
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...
7186026 Foil hydrodynamic journal bearing and method of manufacturing the same  
A multi-lobe bearing is of simple construction such that a foil sheet in the form of a closed loop is arranged on a journal shaft by joining both ends of two sheets together, with a bearing gap...
7108488 Turbocharger with hydrodynamic foil bearings  
A turbocharger includes a foil bearing assembly mounted in a center housing between a compressor and a turbine of the turbocharger. The bearing assembly forms a unit installable into the center...
7070330 Hydrodynamic fluid film bearing having a key-less foil  
An improved and enhanced hydrodynamic fluid film bearing for rotatably supporting a shaft journal is provided and includes a stationary retaining member, at least two generally cylindrical foil...
7056025 Foil bearing  
In a foil bearing comprising: a stationary mount member ( 2 ) surrounding an outer circumferential surface of a journal ( 4 ) of a rotating member via an annular gap (G); and a plurality of...
6997613 Foil bearing  
In a foil bearing ( 1 ), a foil assembly ( 4 ) disposed between a stationary mount member ( 3 ) and a journal ( 2 ) of a rotating member comprises: a top foil ( 5 ) having one end secured to an...
6964522 Hydrodynamic journal foil bearing system  
A high load capacity hydrodynamic journal foil bearing system is disclosed, which comprises a top foil and a plurality of undersprings. Preload forces are transferred from the undersprings to...
6848828 Foil bearing and spindle device using the same  
A foil bearing is provided, which is simple in structure, has a large load capacity and a large damping capability and can therefore allow a rotary shaft having a large unbalance as compared with...
6811315 Compliant support for increased load capacity axial thrust bearing  
A compliant support for an axial thrust air bearing between a shaft and a housing with an annular thrust runner extending radially from the shaft having a runner bearing surface. The housing has a...
6786642 Compliant foil-fluid bearing support arrangement  
A foil-fluid bearing assembly adapted for supporting a shaft within an outer bearing housing. The foil-fluid bearing assembly comprises a bearing sleeve having an outer surface and an inner...
6752533 Foil thrust bearing cooling  
An improved foil thrust bearing includes a cooling fluid flow turbulence generating disk placed between other foil thrust bearing elements, such as thrust bearing elements and underspring elements....
6726365 Foil type fluid bearing  
The disclosed invention relates to a foil type fluid bearing including a foil assembly. The foil assembly supports a journal within a stationary retaining member and includes a top foil that is...
6698930 Foil gas bearing  
The present invention is to provides a foil gas bearing which has sufficient damping effects due to a frictional force and a sufficient stiffness to support the rotary shaft. The foil gas bearing...
RE38373 Compliant foil fluid film thrust bearing with a tilting pad underspring  
A compliant foil fluid film thrust bearing including a thrust disk rotor, fluid foils, spring foils, a thrust plate, and a housing thrust surface The non-rotating but compliant fluid foils, mounted...
6617733 Magnetic bearing apparatus and vacuum pump having magnetic bearing apparatus  
In a magnetic bearing apparatus provided at least with a touchdown bearing and a corrugated plate-like damper member inserted into an annular gap between the touchdown bearing and its retainer...
6582125 Smart foil journal bearing with piezoelectric actuators  
A foil journal bearing utilizes a plurality of piezoelectric actuators to increase the load carrying capacity of the bearing. The foil journal bearing is provided at an interior surface of its...
6527446 Foil journal bearing utilizing semi-active dampers  
A foil journal bearing which is provided at an interior surface of the bearing housing with a plurality of foils or one foil for supporting a shaft comprises a plurality of dampers embedded in an...
6450688 Fluid bearing having a foil assembly  
A fluid bearing includes a foil assembly that supports a journal inside a stationary retaining member includes a cylindrical top foil that is positioned radially inward, a cylindrical mid-foil that...
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...
6261002 Gas dynamic foil bearing  
A gas dynamic foil bearing comprises a plate (13) attached to a base (10), support members (14) fixed on the plate (13) at predetermined intervals, elastic foils (15) fixed to the support members...
6224263 Foil thrust bearing with varying circumferential and radial stiffness  
An improved foil thrust bearing having a thrust runner and a thrust plate includes an underspring element positioned adjacent to the thrust plate. The underspring element comprises, in one...
6158893 High load capacity compliant foil hydrodynamic journal bearing  
A compliant hydrodynamic fluid film journal bearing for handling high loads. The bearing assembly includes a first thin smooth compliant sheet for facing a shaft, one or more corrugated foils, and...
6024491 Air bearing  
A foil air bearing for a rotatable shaft comprises a plurality of discrete air chambers disposed in a circumferential array. Each of the chambers has a radially displaceable radially inner wall for...
5938341 Foil thrust bearing including a follower spring having rotated, elongated spring tabs  
A follower spring for a foil thrust bearing includes a plate and a plurality of spring tabs extending from the plate. The spring tabs are elongated and offset at angles between approximately 45...
5921683 Bearing arrangement for air cycle machine  
A journal bearing designed for use with a rotatable shaft of an air cycle machine is disclosed. The bearing includes a journal bearing housing, air bearings for facilitating rotation of the shaft,...
5918985 Compliant foil fluid thrust film bearing with a tilting pad underspring  
A compliant foil fluid film thrust bearing including a thrust disk rotor, fluid foils, spring foils, a thrust plate, and a housing thrust surface The non-rotating but compliant fluid foils, mounted...
5911511 Tilting pad foil thrust and journal bearings  
The present invention provides a foil journal bearing including at least one support pad mounted inside a journal sleeve, and onto which foils are mounted. The support pad is mounted to the journal...
5911510 Bi-directional foil bearings  
A foil bearing allows bi-directional rotation of a shaft. The foil bearing includes a plurality of thin compliant foils secured to a housing, and spring segments underlying the foils. Each spring...
5871284 Foil thrust bearing set  
A spring assembly for a foil thrust bearing set includes a stiffener disc and a plurality of spring segments. Each spring segment has at least two anchoring tabs. When inserted into a slot in the...
5658079 Hydrodynamic fluid film journal bearing  
The top foil (12) of the hydrodynamic fluid film journal bearing (10) carries opposing tabs (23,25) at the side edges adjacent the free end (17) thereof and extends radially outward to fit adjacent...
5634723 Hydrodynamic fluid film bearing  
A hydrodynamic fluid film bearing has a stationary retaining member (12) having a cylindrical opening (14) to receive for rotation therein a rotatable shaft (16). The inner surface (20) of the...
5584582 Bump foil design for improved damping and load capacity from compliant foil gas bearings  
A bump foil for a compliant foil gas bearing having parallel rows of corrugations or bumps, a first series of bumps of equal height spaced equidistant from one another and a second series of bumps...
5547286 Hydrodynamic air thrust bearing with offset bump foils  
The leading edges of the segmented corrugated springs of each of the two bump foils of a hydrodynamic thrust bearing are offset such that the leading edge in the upper segmented corrugated springs...
5529464 Cryogenic turbopump  
A turbopump which operates at cryogenic temperatures to pump cryogenic liquid fuels to high pressure which includes a rotating group including a shaft mounted turbine to directly drive a multistage...
5529398 Compliant foil hydrodynamic fluid film thrust bearing  
A compliant foil hydrodynamic fluid film thrust bearing is disclosed which is comprised of a two sided thrust disk rotating element, compliant fluid foil members that axially enclose the rotating...
5498083 Shimmed three lobe compliant foil gas bearing  
A method and apparatus for increasing the load capacity and damping capability of a three pad compliant foil gas bearing by establishing a gas pressure force between each pad and a shaft supported...
5322371 Fluid film bearing  
The invention relates to a fluid film bearing, and more particularly the improvement of the load capacity and stability of such a bearing. The fluid film bearing comprises a housing 7 and several...
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...
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...
5228785 Stepped foil journal foil bearing  
A journal bearing including a plurality of individual foils mounted to one of a pair of relatively rotatable members, and a plurality of undersprings which provide resilient support for the foils....
5215385 Low-profile disk drive motor with deflecting-pad bearings  
A disk drive motor having a low profile construction and a gas-lubricated deflecting pad support usable in the disk drive motor and elsewhere. The motor includes a cup-shaped rotor having an...
5205652 Nonlinear spring supported hydrodynamic bearing  
A compliant hydrodynamic gas bearing comprises a nonlinear spring arrangement for supporting a plurality of tilting arcuate pads which hydrodynamically carry radial journal loads. The nonlinear...
5116143 High load capacity journal foil bearing  
A high load capacity journal foil bearing and more particularly undersprings therefor. The journal foil bearing preferably includes a number of individual pads or foils which are conventionally...
5114244 Compliant bearing surface with enclosed fluid support  
A compliant bearing surface supported by an enclosed nearly incompressible fluid is described. A fluid supported compliant bearing surface has the ability to separate out the average load on the...
5110220 Thrust bearing underspring  
A foil thrust bearing including a thrust bearing underspring disk having a radially increasing spring force or load capacity. A plurality of spring sections formed in the underspring disk provided...
Matches 1 - 50 out of 90 1 2 >