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Patent Searching and Data


Matches 801 - 850 out of 11,887

Document Document Title
WO/2006/100437A1
An aerostatic device for ultra precision machine tools, the aerostatic device having a damping device for use at any angle, including vertical, and comprising a male part (14) having a projecting portion (16), a female part (10) having a...  
WO/2006/098500A1
A rotating shaft (2) is stored in a case (1). On the rotating shaft (2), a ferromagnetic section (20) is formed, and an electromagnet (10) is provided on the case (1). On a pole face of the electromagnet (10), a multitude of protruding s...  
WO/2006/093033A1
A generation motor is formed by a motor stator attached to a housing side and a motor rotor fixed by a rotation shaft. A non-contact bearing device includes a permanent magnet repelling magnetism bearing for positioning and supporting an...  
WO/2006/089741A1
The invention relates to an aerostatic bearing comprising a bearing foot (2), whose front face has a level bearing surface (3) with a central bearing axis that runs perpendicular to said surface and whose rear face is pivotally mounted o...  
WO2006060611A3
A gas pad assembly (100) is provided. The gas pad assembly includes a plurality of articulated gas pads (106). Each gas pad includes a mounting stem having a first and a second end and a gas passage that runs the length of the mounting s...  
WO/2006/087463A1
The invention relates to a method for stabilising a magnetically levitated object (2, 21, 31, 32, 52, 200) subjected to a constant magnetic field, said object being stable in at least one direction and unstable in at least one other dire...  
WO/2006/083756A2
A thrust bearing assembly including a ring-like support structure having a castellated end configuration, a ring-like dynamic race, and a ring-like thrust washer sandwiched between the castellated end configuration and the dynamic race. ...  
WO2004042260A3
A seal assembly and cartridge for sealing a space between a rotating member and a stationary member in which a sleeve extends around the rotating member and with the inner surface of the sleeve being spaced from the outer surface of the ...  
WO/2006/075939A1
Method for gas bearings comprising two relatively rotating parts, one part of which consists of a spindle shaft and the other part of which is provided with a bearing surface and is made from a material through which gas can be conducted...  
WO/2006/074856A2
A detection device (8) detects radial deflections (x, y) of a rotating element (2) which is mounted in a base (1) by means of a magnetic bearing system (3) so as to rotated about a rotational axis (4) and feeds these deflections to a con...  
WO/2006/073114A1
A piston device (1) capable of reducing internal friction in a heat engine converting the reciprocating motion of a piston into the rotating motion thereof. An air bearing is formed by flowing out a gas from a crank side hollow part (31)...  
WO/2006/074070A2
A magnetic bearing assembly utilizes repulsive magnetic forces between components, having magnetic sources, of the bearing at two or more gaps which are angled with respect to an axis of the inner component. Each gap provides force vecto...  
WO/2006/069731A1
The invention relates to an axially driven piston/cylinder unit, comprising a cylinder (2), a piston (3), which may be displaced back and forth between a first piston position, in which the cylinder volume (18), enclosed by the piston (3...  
WO2006040073B1
The invention relates to a gas bearing-mounted arrangement of bodies, which can be displaced relative to one another, with an inner body (1; 101; 201; 301; 401) having a bearing surface (14'; 114'; 214'; 314'; 414') that, at least in sec...  
WO/2006/059651A1
Any of surfaces brought into contact with other members of a touchdown-bearing-constituting inner ring, outer ring and rolling elements (balls) and, if any, retainer is provided with a calcium zinc phosphate coating and is further provid...  
WO/2006/060611A2
A gas pad assembly (100) is provided. The gas pad assembly includes a plurality of articulated gas pads (106). Each gas pad includes a mounting stem having a first and a second end and a gas passage that runs the length of the mounting s...  
WO/2006/043434A1
A sufficient moving stroke is secured without connecting an air supply tube or the like. There are a movable body (3) having a pad section (73), and a fixed body (2). With a medium supplied to the pad section (73), the movable body (3) i...  
WO/2006/040073A1
The invention relates to a gas bearing-mounted arrangement of bodies, which can be displaced relative to one another, with an inner body (1; 101; 201; 301; 401) having a bearing surface (14'; 114'; 214'; 314'; 414') that, at least in sec...  
WO/2006/030824A1
There is provided a magnetic bearing control device capable of accurately detecting a displacement error of a rotor shaft (113) even when there are irregularities in the sensor itself or there is an error in sensor mounting during stator...  
WO/2006/020836A2
The subject invention provides a thrust bearing assembly having only three thrust flanges in total. One portion of the thrust bearing assembly comprises a main bearing having an, arcuate bearing shell with a concave inner surface and a c...  
WO/2006/014147A1
The invention relates to movable bearing devices, in particular to ball bearings which are usable in the form of machine and machine-tool bearing elements. The promising sector for using the inventive ball bearing is the furniture produc...  
WO/2006/008533A1
An air bearing spindle comprising a shaft (1) journalled, by virtue of an air bearing, for rotation within a sleeve (3) and a motor for driving the shaft releative to the sleeve, wherein the motor comprises stator windings (7) and the sh...  
WO/2006/009254A1
A support device, a stage device, and an exposure device capable of increasing the responsiveness thereof to the relative movement of a piston to a cylinder, and a device manufacturing method. The support device (300) comprises a cylinde...  
WO/2005/124170A2
A shaft body 2 of a fluid dynamic bearing having a flange portion 4 at one end is supported rotatably via radial direction micro clearances by the sleeve 5 having a dynamic pressure generating groove 11 on the inner peripheral portion. A...  
WO2005078294B1
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 outward...  
WO/2005/121580A1
A magnetic bearing device and a method of operation for such a device are provided. The device comprises a group (410) of electromagnetic actuators (411, 412, 413, 414). Each actuator is electrically connected to an amplifier unit (701)....  
WO2005047717A3
A fluid dynamic bearing mechanism (1) that can ensure bearing rigidity, reduce shaft loss torque, reduce power consumption, stabilize axial rotation, and improve rotational accuracy is disclosed. The fluid dynamic bearing mechanism (1) i...  
WO/2005/119072A2
A fluid dynamic bearing (1) with a rotating shaft (3) inserted into a sleeve (2) fitted into a case (7) is disclosed. Tree rotating shaft (3) rotates freely without contact with the sleeve (2) by means of dynamic pressure force generated...  
WO/2005/113995A2
A hydrodynamic bearing having a bearing sleeve (7), a rotational shaft (11) supported for rotation by the bearing sleeve, a bearing gap (21) formed between the bearing sleeve and the rotational shaft, lubrication oil (12) contained withi...  
WO/2005/106267A1
A slide guiding device 13 in a machine tool 10 is provided with slide guiding surfaces 21 provided on a bed 11, sliding surfaces 22 provided on a column 12, which is guided on the bed 11 for movement on the same, and movable on the slide...  
WO/2005/106266A1
The invention relates to an oil film bearing, for roller pins, which is, or the pin bush fixed thereon, is enclosed by a bearing bush, arranged in a modular piece, whereby the bearing bush comprises at least two internal hydrostatic pock...  
WO/2005/103517A1
An active magnetic bearing (100) with automatic detection of the position thereof, comprising antagonistic first and second electromagnets (120, 130) forming stators disposed on both sides of a ferromagnetic body (110) forming a rotor ma...  
WO/2005/085663A1
A magnetic bearing and a turbo-molecular pump having it in which the cost of manufacturing and installation of the turbo-molecular pump can be reduced by decreasing the number of elements of an amplifier circuit for exciting/driving an e...  
WO/2005/083280A1
A fluid dynamic bearing mechanism for a motor (1) suitable for use in a hard disk drive and having a compact and thin shape, high bearing rigidity, and high rotating accuracy, and which securely keeps the rotor member (6) in place agains...  
WO2005017375A3
Radial loads and vibrations and axial loads on a rotor are balanced by a fluid bearing controlled by a self-regulating system that supplies fluid flow or pressure to the gap between the rotor and stator in response to signals of imbalanc...  
WO/2005/078294A1
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 outward...  
WO/2005/057156A1
A pivotally supporting device of a balance correcting device measuring an unbalance force, comprising a journal pivoting part having a mandrel pivotally supporting a rotating body around a vertical axis, wherein a thrust pivoting part pi...  
WO/2005/047717A2
A fluid dynamic bearing mechanism (1) that can ensure bearing rigidity, reduce shaft loss torque, reduce power consumption, stabilize axial rotation, and improve rotational accuracy is disclosed. The fluid dynamic bearing mechanism (1) i...  
WO/2005/045266A1
Power amplification devices (15, 16) include: a current instruction device (17) for outputting a current instruction signal based on the current target value to be supplied to electric magnets (4, 5); a power amplifier (18) for amplifyin...  
WO/2005/017375A2
Radial loads and vibrations and axial loads on a rotor are balanced by a fluid bearing controlled by a self-regulating system that supplies fluid flow or pressure to the gap between the rotor and stator in response to signals of imbalanc...  
WO/2005/017377A1
An oil film bearing (1) for roll pins (4), which or whose pin bush (3) that is placed thereon is surrounded by a bearing bush (3) placed in an insert (2). The bearing bush has at least two inner lying hydrostatic pockets (9, 9'), which a...  
WO/2005/011910A1
The invention relates to a device which supplies minimum lubrication amount to a quickly rotating spindle and is embodied in the form of a rotary transmission leadthrough. A bearing hausing (1) is provided with connections (14, 15, 16) f...  
WO2003101695A3
A machining spindle comprising an inner shaft (110a) arranged for carrying a first tool (5a) for machining a workpiece and an outer shaft (110b) arranged for carrying a second tool (5b) for machining the workpiece, wherein the shafts are...  
WO/2005/010381A1
The present invention relates to a new kind of foil bearing. The present invention relates to a bearing comprising a flexible foil (1) with a self-aligning mechanism (5, 11). The present invention furthermore relates to a foil bearing en...  
WO/2005/003580A1
A magnetic bearing device having large cooling effect achieved by a simple structure. Fins (15) for forming a backward air flow are provided on the rear outer diameter portion of a rotation shaft (1). A generator (16) converting the air ...  
WO/2005/001844A1
A supporting unit in a moving table device, capable of being easily connected between a base and a table. A supporting unit (U&agr ) has a pair of planar bearing plates (31a, 31b). Inside the planar bearing plates (31a, 31b) are arranged...  
WO/2004/109134A1
Applied to an object that is comprised of a main body (4) with a pressurization chamber (5) inside it and with the upper central part (3) designed in spherical coordinates, serving as the base to support a segment of a sphere (2). Betwee...  
WO/2004/104379A1
The invention relates to a bearing for axially mounting a rotor (8) of a gas turbine. Said bearing comprises a bearing body (2) that is disposed stationary relative to the position of the rotor (8), a hydraulic piston arrangement (3, 4) ...  
WO/2004/083661A1
A gas bearing for rolls or rollers fitted with a fixed axle (22) around which is arranged a rotatable shell (21) comprised of one or more parts, for example segments, which shell is bearing-mounted to said axle by means of a gas bearing ...  
WO/2004/076876A1
A control system of a magnetic bearing, comprising a microprocessor, and having a high control performance even though inexpensive A/D converters are used. An A/D converter 31 is of high speed type having a short conversion time. A large...  

Matches 801 - 850 out of 11,887