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WO/2008/126462A1 |
An electromagnetic attraction magnetic bearing comprises at least a pair of electromagnets (1, 2) arranged oppositely, a float (3) arranged between the electromagnets and held at the middle position thereof, a sensor (4) for detecting di...
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WO/2008/121561A1 |
Substrate processing method and apparatus are disclosed. The apparatus includes a chuck having a surface with one or more gas flow openings configured to provide a flow of gas to the surface. The surface includes one or more vacuum chann...
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WO2008080372B1 |
The method of levitation, centering, stabilization and driving of single electromagnetic functional part of radial electromagnetic bearing and electrical rotation drive, which is movable and rotatable in stator (1) of radial electromagne...
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WO/2008/108063A1 |
A motor-integrated magnetic bearing device in which the long term durability of rolling bearings under a thrust load is improved, which is compact and can cope with high-speed rotation, and in which the motor can be cooled by a simple st...
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WO/2008/098846A2 |
Disclosed is an electric direct drive device, particularly for a turntable, comprising a rotationally symmetrical central cylinder (2) and two rotor components (3, 4) which can be rotated about the axis of symmetry (S) of the central cyl...
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WO/2008/096805A1 |
A magnetic bearing device has a rotating shaft (3) and a bearing structure (5) for supporting the rotating shaft (3) by magnetic force. The bearing structure (5) has magnetic pole parts (7) opposed to the outer peripheral surface of the ...
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WO/2008/092456A2 |
An apparatus (1) for rotational motion about a rotational axis (14) of a first member (2) relative to a second member (3), the first member having an outer surface being rotational symmetric about the rotational axis, and the second memb...
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WO/2008/081030A1 |
The invention relates to a method for determination of resonant frequencies of a rotor using magnetic bearings, in particular of a rotor of a turbomolecular vacuum pump. While the rotor is stationary or the rotor is rotating at a relativ...
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WO/2008/081241A1 |
The invention relates to an electric chuck (1) for high-speed drilling, composed of a shaft (2) fixed to a motor (6) and connected to a sleeve (11) by means of two pneumostatic radial bearings (3, 4) and an axial bearing (5) which is als...
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WO/2008/078718A1 |
In a superconducting magnetic thrust bearing with integrated dynamotor, a first fixed core is formed to have a U-shaped cross-section in the direction of central axis of a tubular shape with the opening of the U-shape being directed perp...
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WO/2008/074045A2 |
The invention relates to a magnetic bearing device (1) for the non-contact bearing of a moving object (2), such as a shaft, with a stationary bearing part (2), a permanent magnet system (11) with at least one permanent magnet (4, 4A, 4B)...
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WO/2008/074044A2 |
Magnetic bearing device (1) for non-contact mounting of a moving body (3), such as a shaft, with a stationary bearing part (2) with an electromagnet system (11), which, during operation, may be supplied with a control current dependent o...
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WO/2008/064802A2 |
The invention relates to a bearing for the rotary mounting of a rotor (500) on a stator (502), which has an idle position and a working position, comprising an actuator (512) for moving the rotor (500) or stator depending on a control si...
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WO2008017498B1 |
A device having a directly driven rotating body (1), which is radially supported on radial bearings (4, 4') at its circumference (11) with regard to a stationary body (2), and which is axially supported at least at a first end side (10) ...
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WO/2008/054248A2 |
The invention relates to magnetic bearings. The inventive magnetic bearing comprises a body, shaft, stator and a rotor, which are positioned at an operating air gap with respect to each other. The stator is embodied in the form of a holl...
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WO/2008/053818A1 |
[PROBLEMS] To realize a rotary pump capable of opening an inflow port in the peripheral surface side and preventing eccentric torque from acting on its rotating shaft. [MEANS FOR SOLVING THE PROBLEMS] This helical flow pump comprises a d...
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WO/2008/053196A1 |
An aerostatic bearing spindle comprising a shaft (2) journalled within an aerostatic bearing (204), the bearing comprising at least one supply port (241) for supplying gas to generate a journal gas film between the shaft and the bearing,...
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WO/2008/035965A2 |
A contaminant trap apparatus (10) arranged in a path (R) of a radiation beam to trap contaminants emanating from a radiation source (50) configured to produce the radiation beam is disclosed. The contaminant trap (10) apparatus includes ...
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WO/2008/032430A1 |
A motor-integrated magnetic bearing device in which rolling bearings have improved long term durability against a thrust load and in which a sufficient motor cooling effect is achieved. The motor-integrated magnetic bearing device uses r...
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WO/2008/021569A2 |
A rotational apparatus with one or more passive magnetic bearing(s) is described. The rotational apparatus includes a rotor with a tapered magnetic ring and a stator with a tapered array of shorted conducting circuits. A repulsive force ...
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WO/2008/018167A1 |
Provided is a motor-integrated type magnetic bearing device using roller bearings (15, 16) and a magnetic bearing together, the roller bearings (15, 16) of which bear a radial load, and the magnetic bearing of which bears an axial load a...
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WO/2008/017557A1 |
The invention relates to an axial piston machine (1) having a housing (3) and having pistons (9) which are arranged in cylinder bores (8) of a rotatable cylinder body (7) and which are supported on a pivoting cradle (2), wherein the pivo...
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WO/2008/018800A1 |
A bearing system for rotor in rotating machines, such as compressors, pumps, turbines, expanders, is distinguishing itself by points of bearing and sealing for the rotor (16) each in the form of a combined bearing and sealing (17) being ...
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WO/2008/018169A1 |
A motor-integrated magnetic bearing device which can be stably controlled even if a motor is operated under a high load and an excessive axial load acts on the motor, in which the structure of a controller is simplified, and in which a m...
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WO/2008/015776A1 |
A bearing device integral with a motor, in which long term durability of a rolling bearing against thrust load is increased and in which a main shaft can be rotated at high speed. Problems of assembly arising from the structure of the de...
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WO/2008/015849A1 |
A protective bearing equipped with rolling elements of nonmagnetic body in which corotation of a magnetized inner ring is suppressed. An inner ring and an outer ring are formed of a member of magnetic body, respectively, and rolling elem...
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WO/2008/015777A1 |
An turbine unit for air cycle refrigerating machines which stably rotates at high rotational speed with a small gap between the disc wheel and the diffuser, has a roller bearing having an improved long-term durability against thrust load...
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WO/2008/004306A1 |
A hydrostatic linear guide unit (1) having a shaft (10) for performing linear guidance and a slider (20) fitted over the shaft (10) with a very small sliding clearance (30) left in between the two and linearly moving along the shaft (10)...
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WO/2008/003408A1 |
The invention relates to a winning machine for mining, in particular a shearing machine (10), for extracting a material along a face, having a machine body (11) and having at least one slide block (16) which supports the machine body (11...
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WO/2008/001069A2 |
A rotary gas bearing (20) is described that comprises a first part (24) rotatable relative to a second part (22). The first part (24) comprises a support member (26) and a first portion (30) and a second portion (32) attached to the supp...
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WO/2008/001083A1 |
A method of fabricating a bearing surface (11,13) for a gas or air bearing (2) is described. The method comprises taking a bulk bearing portion (30;44) having at least one bearing surface region and providing a coating (32;42) on the bea...
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WO/2008/000335A1 |
The invention relates to a bearing unit for a spinning rotor (3), the rotor shaft (4) of which is supported in a contactless manner in a magnetic bearing assembly (5), said magnetic bearing assembly (5) having permanent magnet bearing co...
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WO/2007/127398A2 |
A fluid bearing (203) includes first and second hydrostatic pads (330,331,332,334) formed in a surface of an insert (338) and positioned to exert a separating force, and a land (328) formed on the surface of the insert and configured to ...
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WO/2007/115791A1 |
In an installation part (1) in a rolling stand for receiving a roll journal (24) having a journal bush (24) of a roll which is used in the processing of steel and non-ferrous metals, wherein the installation part (1) has a cambered side ...
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WO/2007/108399A1 |
A static pressure slider having a fixed body (2) and a movable body (3) movable relative to the fixed body (2) with a static pressure fluid layer interposed between the bodies (2, 3). The static pressure slider further has a first conduc...
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WO/2007/099213A1 |
The present invention relates to a retractable antifriction bearings device (10a) that can be housed in a standardized groove of a loading bed. It is characterized in that each ball (30) is mounted directly in a housing (21a) of the prof...
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WO/2007/098993A1 |
The invention relates to a linear compressor (1) and a method for production thereof, comprising a piston housing (2) and a compressor piston (3) moving back and forth therein along an axis (4), wherein the compressor piston (3) is suppo...
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WO/2007/094401A1 |
A bearing unit (1) comprises a cylindrical fixed shaft (2); a cylindrical sleeve (3); an outer ring sleeve (4) disposed on the outer periphery of the sleeve (3) and having an inner peripheral surface facing the outer peripheral surface o...
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WO/2007/081639A2 |
A thrust bearing assembly including a flexible thrust washer sandwiched between first and second races. The thrust washer includes notches between adjacent support regions. When a thrust load is applied to the bearing assembly, the thrus...
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WO/2007/077878A1 |
In a gas pressure control actuator (100), a plurality of annular flat-plate movers (20) including curved springs and annular flat plates are supported on a support pin (22) attached to a guide portion (102). An output mover (104) applies...
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WO/2007/069713A1 |
A hydrostatic slider for moving a moving element relatively with a solid element with a hydrostatic fluid layer formed of a pressurized fluid interposed between the solid element and the moving element. The hydrostatic slider comprises a...
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WO/2007/069433A1 |
[PROBLEMS] To provide a noncontact apparatus for performing rotating process to a subject to be processed, without contaminating environment in an airtight container. [MEANS FOR SOLVING PROBLEMS] A spin head (1) is held on a holding tabl...
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WO/2007/066474A1 |
A motor built-in bearing device is provided to be stably controllable with a simplified-structure controller even if an axial overload is applied to the bearing device. In the magnetic bearing device, ball bearings (15, 16) and a magneti...
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WO/2007/066473A1 |
A magnetic bearing device is provided. The magnetic bearing device is stably controllable with a simplified-structure controller, and a roller bearing and a magnetic bearing are used in combination for the magnetic bearing device. The ro...
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WO/2007/054414A1 |
Prior art discloses gas bearings, which use a stream of gas to support a piston. This is achieved by micro-nozzles in the cylinder wall of a cylindrical element. Micro-nozzles of this type are susceptible to dirt retention. According to ...
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WO2007022048A9 |
Hydrodynamic bearings providing reduced friction are provided. The bearings include a load-transferring element and a porous bearing pad spaced from the load- transferring element. The load-transferring element is provided with a high-vi...
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WO/2007/048273A1 |
The present invention discloses an electromagnetic suspension bearing, which comprising a stator, a rotor, an outer casing, an inner casing and a current controlling device. The rotor and the stator are assembled together, with the rotor...
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WO/2007/048873A1 |
This publication discloses a slide bearing (16) for mounting and rotating a calender roll (11, 12, 13, 14) by means of the bearing. The slide bearing at both ends of the roll comprises slide surfaces (24a) for supporting the roll on two ...
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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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