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WO/2007/049396A1 |
A hybrid magnetic bearing excellent in controllability in which higher rigidity, higher efficiency, and reduction in size can be achieved. In the hybrid magnetic bearing having a rotor rotating while being supported under noncontact stat...
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WO/2007/049084A1 |
The subject of the invention is a magnetic bearing, composing a stator (1) and a rotor (2) with mandrel (5), and both its stator (1) and rotor (2) having permanent magnets arranged to provide repulsive radial and axial forces without con...
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WO/2007/041818A1 |
The present invention relates to a fluid compressor having an aerostatic bearing, to a control system of a fluid compressor having an aerostatic bearing as well as to a method of controlling a compressor, wherein the aerostatic bearing i...
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WO/2007/039712A2 |
Bearing arrangements are described which enable rotation about a vertical axis with a very extended diameter bearing, for example 20 metres diameter. A usually stationary base supports a rotating member (12), e.g. on a fluid cushion. Sep...
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WO/2007/023835A1 |
An air cycle refrigeration and cooling system for sequentially performing compression by a precompression means (2), cooling by a heat exchanger (3), compression by a compressor (6) of a turbine unit (5), cooling by other heat exchangers...
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WO/2007/023684A1 |
An air cycle refrigerating/cooling system capable of providing stable high-speed rotation by maintaining a space between each of the discs and the housing of a turbine unit at the minimum, enabling an increase in the long-term durability...
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WO/2007/022657A1 |
A magnetic bearing device (1) with an improved vacuum-tight electrical feedthrough through its housing (10) is disclosed. The feedthrough (30) comprises a flat connection element (31 ) such as a rigid or flexible printed circuit board ex...
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WO/2007/023836A1 |
A turbine unit for refrigerating/cooling an air cycle, wherein a compressor vane wheel (6a) and a turbine vane wheel (7a) are fitted to both ends of a spindle (13), and the compressor vane wheel (6a) is driven by a power generated by the...
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WO/2007/022656A1 |
A rotor shaft (200) for a magnetic bearing device (1 ) is disclosed. The shaft comprises an inner portion on whose periphery a plurality of targets (240, 260, 280) separated by spacers (250, 270) are mounted. This is achieved exerting an...
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WO/2007/016689A1 |
A method and apparatus for cleaning, drying, coating, baking etching and deposition of surfaces on glass substrate as it transitions thru and between small gaps between hydro-static porous media bearings. Due to the non-contact nature of...
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WO/2007/012358A1 |
The invention relates to an electric motor (1), in particular for a textile machine, which can be operated as a generator if the supply voltage fails, comprising a rotor which is configured as the armature of the electric motor (1) and a...
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WO/2007/004656A1 |
There are provided a magnetic bearing device and a magnetic bearing method capable of saving energy by eliminating bias current for linearization of the relationship between the magnetic force and the excitation current of an electromagn...
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WO/2007/000405A2 |
The invention relates to a magnetic bearing device (12) comprising radial, soft magnetic rotor disk elements (7i) which engage in each other and soft magnetic stator disk elements (7i). Said elements (4i, 7i) are provided with teeth-like...
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WO/2006/134180A1 |
The invention relates to a toolholder comprising a suction system, of the type that is used in numerically-controlled automatic machining machines for adapting and securing the different machining tools. The invention is characterised in...
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WO/2006/130447A2 |
A thrust bearing assembly includes an upper thrust bearing and a lower thrust bearing for use in an engine assembly of a vehicle and which, are preferably, identically configured. The upper and lower thrust bearings each include an arcua...
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WO/2006/126307A1 |
Proposed is a mechanism for floating and supporting a rotor or the like by utilizing the superconductivity. The mechanism is effective for supporting a large-sized rotor. The rotor (2) is supported to rotate on the center axis (or the co...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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. ...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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