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...
7540663 Hydrodynamic fluid film bearing and bearing housing with cooling capacity  
A hydrodynamic fluid film bearing for supporting a rotation shaft of a turbo or rotary apparatus includes a sleeve having a circular inner opening for receiving a rotation shaft therein, at least...
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...
7491043 Variable displacement pump having a rotating cam ring  
Vane pump ( 10 ) mechanical losses are reduced by removing vane friction losses and replacing them with lower magnitude journal bearing fluid film viscous drag losses. A freely rotating cam ring (...
7364363 Bearing and turbo compressor comprising the same  
A thrust bearing designed to support a rotational shaft within a turbo compressor, and including foils subjected to a friction with gas. The bearing includes a plurality of elastic foils having...
7258488 Fluid bearing module  
A fluid bearing module has a bearing seat, a bearing, a deflecting member, and an impediment. The bearing seat has a capacity with an opening. The bearing in the capacity has a hollow space for the...
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...
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...
6953283 Foil bearing  
In a foil bearing ( 23 ) having a plurality of foils ( 26 ) disposed in a gap between a rotating member ( 12 ) and a stationary mount member ( 25 ), a moveable member ( 27 ) is disposed on a side...
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...
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...
6702463 Compliant foil thrust bearing  
A compliant foil fluid thrust bearing has a single sided or two sided thrust disk rotor, an integrally formed compliant foil member, and an underspring member. The non-rotating but compliant foils...
6698929 Turbo compressor  
A turbo compressor is provided which includes a motor having a stator with a rotor which rotates in the inside of the stator. A rotation shaft is press-fitted into the rotor and is integrally...
6629778 Fluid pressure bearing  
A bearing arrangement has fluid pressure bearings which permit an especially stiff support and is therefore especially well suited for high precision machines such as coordinate measuring...
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...
6469411 Compliant foil fluid film bearing with eddy current damper  
The invention relates to means and methods by which a rotor is rotationally journalled relative to a stator in a magnetic field provided concentrically about a longitudinal axis, coincident with...
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...
6353273 Hybrid foil-magnetic bearing  
A method for bearing a rotor in which load is shared between a foil bearing part and a magnetic bearing part without using a calculated rotor trajectory corresponding to various rotor spin speeds....
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...
6135640 Hybrid foil/magnetic bearing  
A cylindrical shaft including a rotor rotates within a housing. A foil bearing comprised of flexible foil segments encircles the rotor, and is located in between the rotor and the housing. The foil...
6071013 Hydraulic bearing device  
A hydraulic bearing device includes a cylindrical bearing metal, a groove-like pocket, a dynamic pressure generation land, a fluid flowing space and an oil supply hole. The cylindrical bearing...
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...
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,...
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...
5885004 Hydrostatically supported foil bearing  
A foil bearing is used wherein the support for the foils are hydrostatically rather than mechanical spring supported. The bearing housing has a plurality of orifices for admitting hydrostatic fluid...
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...
5536087 Foil journal bearing having straight foils useful for providing support for high speed rotors and a process for fabricating said bearing  
A foil journal bearing having straight foil useful for providing support for a high speed rotor and a process for manufacturing the foil journal bearing, said foil journal bearing comprising an...
5519274 Magnetically active foil bearing  
A foil bearing operable with a magnetic field providing for magnetic suspension of a shaft. In one embodiment, the bearing construction relies upon a plurality of magnetic field generating members...
5518320 Foil bearing  
A foil journal bearing comprising a housing having an opening to receive the journal of a shaft, and a plurality of foil supports extending longitudinally through the opening. The foil supports...
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...
5397185 Device for the axial support of a rotatable body, and positioning device provided with such a device  
A device (1) for supporting a rotatable body (3) in a direction parallel to an axis of rotation (5) of the body (3). The device (1) comprises a support member (17) with a fluid bearing (21) which...
5275493 Plain bearing with multiple load bearing surfaces  
A bearing which includes a series of spaced bearing surfaces so as to distribute load amongst a series of spaced bearing surfaces thereby increasing the load carrying capacity of the assembly. The...
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....
5209652 Compact cryogenic turbopump  
A turbopump which operates at cryogenic temperatures to pump cryogenic liquid fuels to high pressure, and which includes a rotating group supported on process fluid foil journal bearings and a...
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...
5102236 Hydrodynamic bearings having a continuous beam mounted support surface  
A hydrodynamic thrust, journal or combined radial and thrust bearing and methods of manufacturing the same. The bearing includes a continuous bearing surface and support structure which supports...
5059038 Aerodynamic plain bearing  
The invention concerns an aerodynamic plain bearing for shafts (1) rotating at high speeds, with a bearing housing (4) having a cylindrical bore (3) and with a tangentially attached, elastic and...
5032028 Fluid film bearing  
The invention relates to a fluid film bearing and to a process for its production. The invention relates to a hydrodynamic fluid film bearing formed between a plurality of sheets (3) fixed to a...
4950089 Compliant foil bearing  
A compliant foil bearing comprises a relatively thin bearing foil that is supported in juxtaposed relation to both a shaft and a bearing housing by a pair of sinusoidally folded spacer foils.
4865466 Interlocking cylinder compliant hydrodynamic gas bearing  
A spring support system for a compliant hydrodynamic gas lubricated bearing comprises a plurality of cylindrical spring elements that are retained by floating control rods in circumferential and...
4862789 Positive displacement pump or motor utilizing a self-lubricated bearing  
A variable speed pressure energy translating device including a plurality of axially extending pistons and associated cylinders and a yoke engaged by the pistons and pivoted on a transverse axis...
4818123 Foil journal bearing cooling  
Cooling is provided for a foil journal bearing by means of flow openings in the individual overlapping foils and/or axially extending slots formed in the high lubricity coating on the surface of...
4815864 Adjustable tension foil bearing  
An adjustable tension foil bearing for a rotatable shaft comprises a bearing housing for the support of a plurality of foil carriers which carry a like plurality of foil elements. The foil carriers...
4699523 Aerodynamic radial bearing  
An aerodynamic radial bearing has two foil sections located in a gap between an outer bearing shell (1) and the bearing shaft. The foil sections encircle or loop around the bearing shaft in several...
4616388 Process for producing a hydrodynamic bearing having internal foil cartridge  
The invention provides a process for producing hydrodynamic bearings for supporting and guiding rotary machine shafts. The process consists of pre-manufacturing a self-contained cartridge formed of...
Matches 1 - 50 out of 90 1 2 >