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Patent Searching and Data


Matches 651 - 700 out of 11,505

Document Document Title
WO/2006/123573A1
A position sensor wherein the AC ripple components of a detected position signal can be reduced and the phase delay also can be reduce. A magnetic bearing apparatus and a vacuum pump that are stable and have less vibration because of usi...  
WO/2006/122448A1
The present invention discloses a magnetic suspension bearing, it comprising: an outer layer which encloses a plurality of magnets and is made of magnetic material, an inner layer which encloses a plurality of magnets and is made of magn...  
WO2006074070A3
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/2006/116051A3
A bearing unit includes first and second rings, a cage seated between the first and second rings, a first sensor for sensing the speed of the first ring, a second sensor for sensing the speed of the cage, and a device that is programmed ...  
WO/2006/109039A2
A gas bearing spindle (2) for use in processing apparatus (1), for example ion implantation apparatus. The spindle (2) has a steel bearing surface (23) and a shaft (3) coated with chrome (3a) or another hard material.  
WO/2006/109039A3
A gas bearing spindle (2) for use in processing apparatus (1), for example ion implantation apparatus. The spindle (2) has a steel bearing surface (23) and a shaft (3) coated with chrome (3a) or another hard material.  
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/2006/083756A3
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. ...  
WO/2006/074856A3
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/2006/075939A1
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/2006/023595A3
A stage for processing a substrate, especially useful for vacuum applications, has a recess just large enough to hold a substantially flat substrate and a chuck or holder but not much more. The perimeter of the recessed side has an air b...  
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...  
WO/2005/124170A3
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/2005/113995A3
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/2005/106293A3
A shaft seal or position sensor module assembly (10) includes a carrier body (12) that is mountable on a shaft housing about an opening through which a rotatable shaft extends. A sleeve (18) is mountable on the shaft and carries a multi-...  
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...  

Matches 651 - 700 out of 11,505