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7625121 |
Bearing assembly and centering support structure therefor
The bearing assembly includes an annular bearing in which the shaft is disposed and a support structure for supporting the bearing. The bearing support is mounted about and radially supports the...
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7574854 |
Gas turbine engine assembly and methods of assembling same
A method for assembling a gas turbine engine is provided. The method includes coupling a high-pressure compressor to a high-pressure turbine using a first shaft, coupling a fan assembly to a...
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7524112 |
Bearing support with double stiffener
The present invention relates to a bearing support for a rotating engine such as a gas turbine engine, with a rotating shaft supported by at least one bearing and a frame, capable of running at...
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7517155 |
Resilient mount of uniform stiffness
A centering ring may be used to provide a resilient mounting system with uniform stiffness for rotating machinery. The centering ring may have first and second exterior raised ridges on one surface...
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7517152 |
Squeeze film damper with variable support stiffness
A squeeze film damper assembly having a variable stiffness and damping control. The squeeze film damper includes a damper chamber formed by two flexible bellows chambers of the sides. A first...
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7431504 |
High temperature damper for a roller bearing
A high temperature damper for a roller bearing having a long shelf life and capable of withstanding temperatures in a gas turbine engine shaft. The damper includes a damping chamber formed between...
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7419304 |
Multi-thickness film layer bearing cartridge and housing
An exemplary housing for a rotor of a turbocharger includes a bore, defined at least in part by the housing; a pair of rotor limiting surfaces positioned at a first diameter, one rotor limiting...
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7329048 |
Self contained squeeze film damping system
A fluid damping system for damping a shaft within a gas turbine engine component. The fluid damping system including a damping liquid and a pressurized gas in a closed self contained system. In one...
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7214037 |
Retention of ball bearing cartridge for turbomachinery
An exemplary housing for a turbocharger includes a substantially cylindrical bore having a longitudinal axis, an inner diameter, a proximate end and a distal end; a counterbore positioned at the...
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7104693 |
Multi-thickness film layer bearing cartridge and housing
An exemplary squeeze film bearing cartridge for a turbocharger includes a center section, two outer sections having a first outer diameter and two intermediate sections having a second outer...
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7066651 |
Disc spring centering device for squeeze film dampers
A damper film bearing assembly for supporting a rotatable shaft includes a bearing housing having a longitudinal opening passing therethrough for receiving the rotatable shaft. The bearing housing...
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7051617 |
Methods and apparatus for tuned axial damping in rotating machinery with floating bearing cartridge
An apparatus and method for selecting an appropriate viscous fluid for use in control moment gyroscopes, reaction wheels, momentum wheels and the like. Components such as the housing, the rotor,...
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7040811 |
Oil-damped sealed rolling bearing
A rolling bearing defines a separation between an oil enclosure and an air enclosure. The bearing includes rolling elements defining a first side opening and a second side opening, and includes an...
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7025579 |
Bearing system for high-speed rotating machinery
A bearing system for a turbocharger shaft includes an elongated bearing carrier with two anti-friction ball bearings mounted in its ends and with a radially extending flange at one end that...
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7018103 |
Active vibration damping in a machine tool
The present invention relates to a method and an apparatus for vibration damping in a machine tool comprising at least one hydrostatic guide 8 including at least one pocket 1 for supporting a...
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7018102 |
Dampenable bearing
A dampening bearing support member having a plurality of bearings disposed between an object and a base with rheological medium disposed around the bearings, with the rheological medium being under...
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6969289 |
Marine vessel propulsion with a thrust bearing
A marine vessel propulsion assembly has an elastically suspended gearbox with an output drive shaft guided in an axial bearing with a rigidly suspended bearing housing. Free space is provided in...
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6877901 |
Bearing system for high-speed rotating machinery
A bearing system for a turbocharger shaft includes two angular contact ball bearings mounted in the opposite ends of a lubricated rotatable elongated cylinder, which includes a radially extending...
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6872003 |
Oil-damped rolling bearing
A rolling bearing for a turbomachine supporting a first shaft to rotate relative to a second shaft, and comprising: a plurality of rolling elements engaged between an inner annular ring mounted on...
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6846158 |
Method and apparatus for varying the critical speed of a shaft
A system is provided for changing the critical speed of a shaft that includes: a first shaft supported for relative rotational movement with respect to a stationary structure, a forward bearing...
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6776530 |
Extra-roll slide bearing system for a paper/board machine or a finishing machine
The invention relates to an extra-roll slide bearing system ( 20 ) for a paper/board machine or a finishing machine, surrounding a shaft ( 2 ) in a roll ( 1 ). The bearing system comprises a body...
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6695478 |
Squeeze film damping type bearing
The present invention relates to a bearing for maintaining an inner mobile structural component with revolution symmetry, rotating inside an outer structural component, which is itself fixed or...
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6682219 |
Anisotropic support damper for gas turbine bearing
An apparatus and method that provides a flexible anisotropic support, which may accommodate open, closed, or re-circulating squeeze film damper in parallel, has improved internal rolling element...
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6648036 |
Veneer lathe
A veneer lathe that can provide a veneer produced by cutting out a log, which is substantially free from surface scratches, and thus can be used as a surface sheet for plywood. A roller bar drives...
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6585418 |
Hydrodynamic axial bearing with floating disk
In a hydrodynamic axial bearing ( 10 ), a rotating body ( 13 ) is mounted radially in a radial bearing ( 17 ) of a bearing body ( 18 ). The rotating body ( 13 ) comprises a shaft ( 16 ), with its...
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6558041 |
Damper assembly for a rotating shaft and methods for dampening shaft vibrations
The damper assembly includes a centering spring about a bearing for a rotating shaft. The centering spring is fixed to and spaced from a fixed component. One or more annular arrays of brush...
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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...
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6478553 |
High thrust turbocharger rotor with ball bearings
An improved turbocharger for railway locomotive sized engines includes, in a preferred embodiment, first and second axially spaced ball bearings supporting a rotor with the first bearing being a...
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6457865 |
Ball-type anti-friction device
A ball-type anti-friction device which has a housing, a ball cage mounted within the housing for movement relative to the housing between a lower inactive position and an upper active position. The...
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6439772 |
Method and apparatus for supporting rotor assembly bearings
A rotor assembly for a gas turbine engine including a bearing assembly and a damper sub-assembly that facilitate reducing dynamic motion to the rotor assembly is described. The bearing assembly...
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6431756 |
Bearing damper
A vibration damper comprises a bearing located between two rotatable shafts and an axially extending oil entry surface positioned radially inwardly of the radial outer surface of the bearing outer...
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6367977 |
Hybrid hydrostatic spindle
The present invention relates to a spindle unit which is able two work both in a low speed powerful roughing regime and medium and high speed precision semi-finishing and finishing. The spindle...
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6220829 |
Turbocharger rotor with low-cost ball bearing
A combination bearing supporting a shaft interconnecting the turbine and compressor wheels of a turbocharger incorporates a dual film floating journal bearing, a squeeze film damper and ball...
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6196721 |
Sinusoidal viscous interface for attenuation of vibration for ball and roller bearings
A bearing race and ring assembly having an undulating outer surface which mates with an inner surface of the assembly along a mounting interface. The mounting interface includes a plurality of...
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6186061 |
Press bearing lubrication system
A plurality of hydrostatic bearing pads are each integrally formed in a respective pin or journal member being used within a mechanical press machine. The hydrostatic bearing pads are supplied with...
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6170987 |
Preloading bearing unit
A preloading bearing unit mounted in a casing to support an antifriction bearing and the output shaft of a motor, the preloading bearing unit including a bushing mounted on the antifriction...
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6155720 |
Journal bearing
The invention relates to a journal bearing for the shafts of high-speed rotors, and provides simple, and therefore low-cost, centering of squeeze film dampers for high-speed rotors, with improved...
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6135639 |
Fixed arc squeeze film bearing damper
A squeeze film damper (SFD) assembly whose chamber configuration reduces or eliminates the tendency for a bistable condition in a turbo machine shaft, such as the rotor shaft of a gas turbine...
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6109791 |
Rolling bearing with noise reduction
A rolling bearing (5) which is used for the clearance-free and noiseless mounting of a shaft (2) of a converter in an automatic transmission comprises at least one race ring which is composed of...
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6099165 |
Soft bearing support
An annular support for supporting radial bearings and accommodating radial expansion and lateral displacement, and damping vibration of the bearing with respect to a static support structure...
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6065875 |
Turbo charger bearing construction
A bearing is provided between a turbine shaft and a bearing box in a turbine or compressor housing, a first gap of a size sufficient to form an oil film is provided between the bearing and the...
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6064130 |
Motor having dynamic pressure bearing, and rotator device having the motor as driving source
A dynamic pressure bearing having a reduced manufacturing time and cost is produced using a single dynamic pressure generating groove. A motor having a dynamic pressure bearing according to one...
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6050727 |
Hydrostatically supported tilting pad journal bearing improvements
Applicant's invention defines an improved tilting pad journal bearing having a shell with an inner surface which is dimensionally coincident with yet slightly larger than the geometry of the outer...
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6036414 |
Electric spindle holder slide for a high-speed machine tool
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6017168 |
Fluid assist bearing for telescopic joint of a RISER system
An undersea telescopic joint for a riser system is connected to a drilling vessel with a plurality of tensioners. The joint has a bearing with inner and outer annular mating members. A cap seals...
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6012386 |
Bearing control system for a roll with hydrostatic bearings
A bearing control system for a roll with hydrostatic bearings which is mounted by its axle on a bearing block or other equivalent frame member by hydraulically loaded hydrostatic bearing elements....
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5971706 |
Inter-rotor bearing assembly
An inter-rotor bearing assembly includes a first annular member having a circumferential inner surface and a second annular member having a circumferential outer surface. The outer surface is...
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5950686 |
Loom with a pneumatic slide bearing for supporting a rigid rod or a flexible band carrying a weft insertion gripper
A loom is equipped with a pneumatic slide bearing for guiding and supporting a weft insertion gripper carrier, which may be a rigid rapier rod or a flexible band. The pneumatic slide bearing...
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RE36270 |
Center bearing assembly including support member containing rheological fluid
A center bearing assembly includes a roller bearing adapted to receive and rotatably support a coupling shaft and a bracket adapted to be secured to a vehicle frame. A support member is provided...
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5906535 |
Ball polishing method and apparatus, and annular groove forming method
A ball polishing method includes the steps of rotating one of two plates through use of a rotating mechanism while balls are sandwiched between the plates, pressing one of the two plates against...
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