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| Number | Title | Issue Date |
| 8029194 | Restrained, reverse multi-pad bearing assembly A hydrodynamic fluid film bearing assembly has a stationary retaining member defining a central opening and having an inner surface lined by a foil assembly comprised of a plurality of foil subassemblies. Each foil subassembly comprises a first compliant foil, a sec... | 10/04/2011 |
| 7658545 | Compliant foil-fluid bearing support arrangement A foil-fluid bearing assembly adapted for supporting a shaft within an outer bearing housing and is adapted for accommodating angular misalignment of the rotating shaft relative to the housing. ... | 02/09/2010 |
| 7648280 | Weight reduction for journal air bearing A hydrodynamic fluid film journal bearing system includes a journal sleeve and one or more hydrodynamic fluid film foils positioned at least partially within the journal sleeve. The journal sleeve defines an inner diameter surface, an outer diameter surface, a wall ... | 01/19/2010 |
| 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 gap (G); and a plurality of centripetal force produci... | 05/12/2009 |
| 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 foil; an inner bump coil (3) disposed outwards of the... | 02/24/2009 |
| 7374342 | 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... | 05/20/2008 |
| 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 |
| 7350819 | Pretensioner A gas generating system (24) is provided including a gas generant container (34) and an initiator (28). The initiator (28) is positioned exterior of the gas generant container (34) so as to enable fluid communication with the conta... | 04/01/2008 |
| 7261192 | Brake disk and method for the production thereof The invention relates to a brake disk having axial friction surfaces, preferably for land vehicles, in particular, an internally ventilated brake disk having two friction rings that are joined via connecting elements, whereby one of the axial outer surfaces of the b... | 08/28/2007 |
| 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 a static attachment. The complete assembly will form a hybrid foil/fi... | 08/28/2007 |
| 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 |
| 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 |
| 7048518 | Pump The present invention comprises a pump (10, 110) having a casing (14, 114) with at least one first hermetically sealed chamber (19, 119) and at least one second chamber (17, 117) adjacent to said first chamber, defining a passageway (1... | 05/23/2006 |
| 7021042 | Geartrain coupling for a turbofan engine Molybdenum disulfide (MoS2) is used as a journal coating for a gearing system. A particular application is the planetary gear system of a geared turbofan engine. Particularly advantageous coatings are deposited via physical vapor deposition (PVD) techniqu... | 04/04/2006 |
| 7004291 | Torsional active vibration control system A method for damping torsional vibrations in a rotating shaft. The method includes coupling an actuator to a shaft; rotating the shaft; determining an amount of torsional vibration in the shaft; and controlling the actuator in response to the amount of torsional vib... | 02/28/2006 |
| 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 |
| 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 |
| 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 housing bearing surface and an air inlet in communication with a sour... | 11/02/2004 |
| 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 circumferential surface diametrically sized to receive the shaft therewithin... | 09/07/2004 |
| 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. The inventive turbulence generating disk generally provides improved... | 06/22/2004 |
| 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 |
| 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 has a rotary shaft retainer for retaining a rotary shaft; a... | 03/02/2004 |
| 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 member, to keep on holding the corrugated plate-like damper me... | 09/09/2003 |
| 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 |
| 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 inside portion of its bearing housing while coming into con... | 03/04/2003 |
| 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 |
| 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 bearing disk is operatively disposed between the pair of ... | 03/12/2002 |
| 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 (14) at one end thereof to overlap each other, a thrust dis... | 07/17/2001 |
| 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 |
| 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 a second sheet between the foils and the compliant sheet f... | 12/12/2000 |
| 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 |
| 5988885 | 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 a second sheet between the foils and the compliant sheet f... | 11/23/1999 |
| 5961217 | High load capacity compliant foil hydrodynamic thrust bearing A compliant hydrodynamic fluid film thrust bearing. A circumferential row of sectors of flexible sheets are positioned to face a shaft runner for relative rotation therebetween. The flexible sheets are supported by a flexible membrane which is in turn sup... | 10/05/1999 |
| 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 degrees and approximately 75 degrees. The spring tabs can be ... | 08/17/1999 |
| 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 |
| 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 on the thrust plate and/or housing thrust surface and pos... | 07/06/1999 |
