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Patent Searching and Data


Matches 501 - 550 out of 11,276

Document Document Title
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...  
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...  
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...  
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...  
WO/2008/098846A3
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...  
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 ...  
WO/2008/092456A3
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...  
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...  
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...  
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...  
WO/2008/080372A1
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...  
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...  
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)...  
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...  
WO/2008/074044A3
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...  
WO/2008/074045A3
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)...  
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...  
WO/2008/064802A3
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...  
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) ...  
WO/2008/055809A9
The invention relates to a gas thrust bearing, in particular for a linear compressor. Said bearing comprises a bearing bush (23) that surrounds a cavity (22) and a body (36) that can be displaced in said cavity (22). The bearing bush (23...  
WO/2008/055809A1
The invention relates to a gas thrust bearing, in particular for a linear compressor. Said bearing comprises a bearing bush (23) that surrounds a cavity (22) and a body (36) that can be displaced in said cavity (22). The bearing bush (23...  
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...  
WO/2008/054248A3
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...  
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,...  
WO/2008/035965A3
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 ...  
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 ...  
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...  
WO/2008/019947A3
The invention relates to a sliding bearing (1) which comprises a bearing body (2) in which a body (3) which is to be mounted is arranged. Said bearing body (2) is surrounded by a support body (4). The aim of the invention is to improve a...  
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 ...  
WO/2008/021569A3
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 ...  
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...  
WO/2008/017498A2
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) ...  
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...  
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 ...  
WO/2008/017498A3
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) ...  
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...  
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...  
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...  
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...  
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)...  
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...  
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...  
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...  
WO/2008/001069A3
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...  
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...  
WO/2007/127398A3
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 ...  
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 ...  
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 ...  
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...  
WO/2007/104002A3
An oil lubricated rotating hub (14) and stationary spindle (12) assembly includes an oil bath seal (16, 16') for establishing a dynamic sealing interface between the hub (14) and spindle (12). A wheel speed sensor assembly includes a var...  

Matches 501 - 550 out of 11,276