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| Number | Title | Issue Date |
| 8100586 | Fiber optic sensing device and method for monitoring foil bearings A rotary machine includes a rotary component disposed to rotate with respect to a stationary component. A foil bearing is disposed between the stationary component and the rotary component and configured to rotatably support the rotary component. A fiber optic sensi... | 01/24/2012 |
| 7832933 | Wear resistant foil bearing assembly A foil bearing assembly for supporting a rotating member that rotates about an axis including a stationary mount member spaced from the rotating member so that a gap is defined between the stationary mount member and the rotating member. A foil member is disposed in... | 11/16/2010 |
| 7648279 | Journal air bearing A hydrodynamic fluid film journal bearing assembly includes a journal sleeve having a key slot formed therein in a substantially longitudinal direction, a bump foil wrapped in a substantially cylindrical shape adjacent to the journal sleeve and having a bent end por... | 01/19/2010 |
| 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 and lining the inner surface and comprising a plurality of foil sub-a... | 06/30/2009 |
| 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 one metallic foil member of arc shape having one end fixed to the inne... | 06/02/2009 |
| 7413346 | 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 gap (G); and a plurality of centripetal force produci... | 08/19/2008 |
| 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 different stiffnesses from each other. ... | 04/29/2008 |
| 7273593 | Reactor having a heat exchange medium circulation A reactor including a bundle of catalyst tubes through which a reaction mixture is passed, and wherein a heat exchange medium is passed through a space surrounding the catalyst tubes and including ring lines at both reactor ends with jacket orifices for feeding in a... | 09/25/2007 |
| 7267523 | Composite shaft A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive sleeve disposed between an outer surface of a tie rod shaft and an inner ... | 09/11/2007 |
| 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 axis of a rotor to go through, and a lubricant medium is filled in b... | 08/21/2007 |
| 7195446 | Counter-rotating turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor configured to rotate in a first direction, providing a low-pressure turbine outer rotor configured to rotate in a second direction that is opposite the first rota... | 03/27/2007 |
| 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 therebetween and filling a viscoelastic body in an air gap between the f... | 03/06/2007 |
| 7161279 | Curved electro-active actuators Electro-active actuators (310) and methods of manufacturing such actuators are described with such actuators (310) having a plurality of electro-active segments (311) arranged along a curved line with each segment (311) being essentially ... | 01/09/2007 |
| 7112036 | Rotor and bearing system for a turbomachine A rotor and bearing system for a turbomachine. The turbomachine includes a drive shaft, an impeller positioned on the drive shaft, and a turbine positioned on the drive shaft proximate to the impeller. The bearing system comprises one gas journal bearing supporting ... | 09/26/2006 |
| 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 housing from one end thereof, and the center housing is a one-piece cons... | 09/19/2006 |
| 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 elements attached to one another and forming an anti-rotation fin, and a... | 07/04/2006 |
| 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 centripetal force producing foils (or bump foils) 7 arrange... | 06/06/2006 |
| 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 upper portion of the stationary mount member an... | 02/14/2006 |
| 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 internal circumferential compressive forces within a top foil, resulting i... | 11/15/2005 |
| 6960840 | Integrated turbine power generation system with catalytic reactor The invention provides integrated turbogenerators having a turbine wheel, a compressor impeller, and a motor generator mounted to or mechanically constrained to a common shaft, and improved components and configurations thereof. ... | 11/01/2005 |
| 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 of the stationary member opposite to the rota... | 10/11/2005 |
| 6948853 | High load capacity stacked foil thrust bearing assembly A stacked foil thrust bearing assembly provides a compact, lightweight, high load capacity, high temperature, oil-free foil thrust bearing for use in high speed rotating machinery. A stacked foil thrust bearing assembly comprises a plurality of thrust runners in adj... | 09/27/2005 |
| 6921207 | 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 circumferentially extending portion of each foil and a moveable member (27) rotatable wi... | 07/26/2005 |
| 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 the conventional bearing to be driven stably at a high speed. A spindl... | 02/01/2005 |
| 6770993 | Hybrid foil-magnetic bearing with improved load sharing A hybrid foil-magnetic bearing wherein the foil and magnetic bearing parts share the load at predetermined speeds or operating conditions. Force, flux, strain, temperature, or acceleration sensors provide a measure proportional to actual load on at least one of the ... | 08/03/2004 |
| 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 disposed on the inside in the radial direction, three mid foil layers th... | 04/27/2004 |
| 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 are located adjacent to the thrust face or faces or the ro... | 03/09/2004 |
| 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 rotated with the rotor. A bearing is provided for supporting th... | 03/02/2004 |
| 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 apparatus. The bearing arrangement includes at least two fluid pres... | 10/07/2003 |
| 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 bearing housing with a plurality of foils or a top foil for su... | 06/24/2003 |
| 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 the rotor and the stator axis such that an annular gap is fo... | 10/22/2002 |
| 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 is positioned outside the top foil and corrugated bump fo... | 09/17/2002 |
| 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. Power input to the magnetic bearing part is controlled in ... | 03/05/2002 |
| 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 embodiment, a plurality of alternating first apertures and spring ... | 05/01/2001 |
| 6190048 | Compliant foil fluid film radial bearing A compliant foil fluid film radial bearing having a contoured profile bearing rotor to provide for the greater thermal expansion of the hot end of the compliant foil fluid film radial bearing at operating temperature. The rotor may have a uniform taper ov... | 02/20/2001 |
| 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 segments are attached to the housing, and are installed w... | 10/24/2000 |
| 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 metal supports a rotating shaft. The pocket is formed in an in... | 06/06/2000 |
| 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 positioning a bearing foil disposed radially inwardly the... | 02/15/2000 |
| 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, and a journal bearing shell positioned in the housing. The... | 07/13/1999 |
| 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 sleeve in a manner allowing it to tilt in response to foi... | 06/15/1999 |
