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Patent Searching and Data


Matches 201 - 250 out of 10,767

Document Document Title
WO/2012/066152A1
The invention relates to a variable hydrostatic guideway for vertical lathes that includes a plurality of sectors (4) arranged between the periphery (1b) and a central opening (1a) of an annular base (1), each sector (4) including an upp...  
WO/2012/065899A1
The invention relates to bearing device comprising a bearing which rotatably supports a shaft, and a safety bearing (1) which receives the shaft in the event of a failure of the bearing. The aim of extending the service life of the safet...  
WO/2012/056649A1
A roll device (1) is provided with: a hollow roll body (2); a shaft body (4) inserted through the hollow section of the roll body (2) with a gap (3) therebetween; static-pressure gas bearing means (7, 8) disposed between the roll body (2...  
WO/2012/050917A3
A first embodiment of a compliant bearing includes a main body and a bearing surface. The main body and the bearing surface may be engaged with one another via one or more bearing surface springs configured such that the bearing surface ...  
WO/2012/050917A2
A first embodiment of a compliant bearing includes a main body and a bearing surface. The main body and the bearing surface may be engaged with one another via one or more bearing surface springs configured such that the bearing surface ...  
WO/2012/050674A1
Downhole tool bearings are provided with diamond-enhanced materials. The diamond-enhanced materials comprise diamond grains in a matrix of tungsten or silicon carbide or a silicon-bonded diamond material. A brazed diamond grit or diamond...  
WO/2012/050674A4
Downhole tool bearings are provided with diamond-enhanced materials. The diamond-enhanced materials comprise diamond grains in a matrix of tungsten or silicon carbide or a silicon-bonded diamond material. A brazed diamond grit or diamond...  
WO/2012/038416A3
The invention relates to a device for supporting a coolant feed line (310) for superconducting machines (100), having a hollow shaft (320) that can be connected to the superconducting machine (100) in a first region (320'), the coolant f...  
WO/2012/034568A1
A method of operating a wind turbine having a bearing assembly, a shaft received therein, and at least one sub-system capable of altering a dynamic state of the wind turbine includes monitoring at least one parameter indicative of a load...  
WO/2012/036684A1
An intershaft seal system (29) capable of communicating a balanced pressure profile onto a forward face (50) and/or an aft face (49) along a piston ring (35) is presented. The intershaft seal system (29) includes forward and aft mating r...  
WO/2012/033209A1
In a substrate stage (PST), when a Y coarse movement stage (23Y) moves in the Y-axis direction, an X coarse movement stage (23X), a weight cancellation device (40), and an X guide (102) move integrally in the Y-axis direction with the Y ...  
WO/2012/032362A1
A Hybrid journal bearing, which can operate either as hydrodynamic or as electromagnetic, or as hybrid (hydrodynamic and electromagnetic simultaneously), aiming at the exploitation of advantages of both types of bearings, is presented. I...  
WO/2012/030459A1
An apparatus for supporting a shaft of a turbomachine. The apparatus may include a magnetic bearing to support the shaft during a normal operation of the turbomachine, and an auxiliary bearing to support the shaft during a drop event. Th...  
WO/2012/019919A1
The invention relates to a superconducting magnetic bearing for rotationally mounting a machine element (08). The superconducting magnetic bearing according to the invention first of all includes a stator (02), which comprises a first su...  
WO/2012/012459A1
A suspension system for use with rotating machinery, the system comprising : a first suspension assembly (110) disposed between an inner structure (135) and an outer structure (130) of the rotating machinery for providing axial support, ...  
WO/2012/010566A1
The invention relates to a safety bearing for a contactlessly mounted rotor (6) rotating about a rotor axis (22), comprising at least one anti-friction bearing (1a; 1b; 10) having an outer bearing ring (4; 13), a coaxial inner bearing ri...  
WO/2012/007097A3
The invention relates to an apparatus for processing web-shaped or sheet-shaped material with a processing cylinder which can be driven in rotation, wherein the processing cylinder is configured as a sleeve (3) and is fitted in a rotatab...  
WO/2011/162742A1
Techniques are generally described for adjusting a magnetic field in a magnetic bearing by moving permanent magnets in real time. Some example devices or systems include a magnetic bearing comprising electro-actuators adapted to move per...  
WO/2011/160867A1
Disclosed are pneumatic bearings with a bonded polymer film wear surface and production methods thereof. For example, a pneumatic bearing for supporting a payload is disclosed. The pneumatic bearing has a bearing surface having a polyimi...  
WO/2011/160103A1
The present invention generally relates to an apparatus and method for axially supporting a shaft. In one aspect, a magnetic suspension system for supporting a shaft in a housing is provided. The magnetic suspension system includes an ar...  
WO/2011/158382A1
Disclosed is a magnetic shaft bearing assembly which can provide a strong repulsion in the outward direction of rotation and in the axial direction of rotation and prevents a magnetic shaft from vibrating in the axial direction of rotati...  
WO/2011/155995A2
A dental handpiece (100) uses a single airflow input (9) to drive both a rotor (40) and provide a hydrostatic bearing in bearing cartridge (6). The fluid flow in the form of compressed air is applied first to the hydrostatic bearings and...  
WO/2011/153612A3
An energy storage system comprises a housing and a flywheel having a drive shaft portion attached to a cylindrical ferromagnetic rotor portion. The drive shaft portion defines a substantially vertical axis about which the rotor portion i...  
WO/2011/155995A3
A dental handpiece (100) uses a single airflow input (9) to drive both a rotor (40) and provide a hydrostatic bearing in bearing cartridge (6). The fluid flow in the form of compressed air is applied first to the hydrostatic bearings and...  
WO/2011/154623A1
The invention relates to a rotating machine comprising: a rotating element (10), known as a rotor, which can rotate about a vertical rotation axis (12) in relation to a stationary element (14) known as a stator; magnetic supporting means...  
WO/2011/151092A1
The invention relates to a roller for treating a fibrous web with a circulating hollow roller shell (4) which is mounted on a rotationally fixed axle (5), wherein the annular chamber (7) between the shell (4) and the axle (5) is divided ...  
WO/2011/146303A1
A bearing assembly for an induction machine, such as an alternating current motor, includes a magnetic bearing for supporting a rotating shaft. An auxiliary bearing, also supporting the shaft in the event of magnetic bearing failure, is ...  
WO/2011/138094A1
A method for regulating pressure in a plain bearing (12) of a wind power generator (1) is described, having the following features: model-based reconstruction of the wind power at at least one rotor blade (2) of a wind power generator (1...  
WO/2011/131462A1
The invention relates to a guide having passive gravity compensation by means of a magnet assembly (M1, M2, M3, M4), for guiding a first body (K1) relative to a second body (K1) in a vertical direction (R), comprising a spring guide (B),...  
WO/2011/128187A1
The invention relates to a device (15, 115) for mounting and driving a rotatable part (4) of a gantry (2) of a computer tomography unit (1), said gantry having a system axis (5), relative to a stationary part (3) of the gantry (2) of the...  
WO/2011/128180A1
The invention relates to a device (15, 215) for mounting and driving a part (3, 4) of a gantry (2) of a computer tomography unit (1), said gantry comprising the tilt axis (K) and said part being tiltable around a tilt axis (K), relative ...  
WO/2011/123927A1
An apparatus to operate with a rotor includes a plurality of permanent magnetic components and a plurality of hydraulic cylinders. The permanent magnetic components are arranged to surround the rotor. The hydraulic cylinders are coupled ...  
WO/2011/120764A1
The invention relates to sensorless position determination for magnetic mounting. Magnetic mounting is used to mount an object with the aid of a magnetic field which is generally produced by an electromagnet. The position of the object r...  
WO/2011/112019A2
The present invention relates to a magnetic bearing structure having a permanent magnet, capable of facilitating the magnetization of a permanent magnet while rotating a rotor without a separate deflection current. The magnetic bearing s...  
WO/2011/111100A1
Disclosed is a pneumatic linear guide method parallel slider device, a control method of the same, and a measurement device wherein, in a parallel slider device using pneumatic linear guides, when two sliders are mechanically coupled, re...  
WO/2011/112019A3
The present invention relates to a magnetic bearing structure having a permanent magnet, capable of facilitating the magnetization of a permanent magnet while rotating a rotor without a separate deflection current. The magnetic bearing s...  
WO/2011/108842A3
An active magnetic bearing comprises a bearing housing, a bearing stator, a bearing armature, a position sensor, a jacket and a stress buffering member. The bearing stator is accommodated in the bearing housing and supports the rotation ...  
WO/2011/107108A1
It should be possible to measure the bearing current, in particular in electric machines or load machines, with the least possible installation effort. Therefore, a sensor device for installing against or onto a shaft (3) of an electric ...  
WO/2011/108831A3
In a displacement sensor and a magnetic bearing system using the same, the displacement sensor comprises: a first coil unit comprising at least one coil; a second coil unit comprising at least one coil which is differentially connected t...  
WO/2011/104806A1
Disclosed is a stage device which has no risk of air ductwork rupturing due to bending accompanying the movement of the stage. The stage device, which is used in a vacuum, has: a gas supply unit that generates a gas; a base member that h...  
WO/2011/095646A1
The reverse-repulsion passive magnetic bearing provides a radial and axial support for rotors of rotating machines, based on the reverse magnetic repulsive force generated by magnetic rings polarised radially or axially depending on the ...  
WO/2011/091826A3
The invention relates to a supercharging device (28, 41) for compressing a medium, in particular air, comprising a rotor (31, 39), which has at least one compressor wheel (32, 40) and which is supported in the axial direction (70, 72) of...  
WO/2011/090944A2
A plug (10) made of a compressible and resilient material can be used in a method of reducing loss of fluid from a fluid-bearing system. The method can include locating an orifice in the fluid-bearing system, where said orifice is expose...  
WO/2011/089222A1
The invention relates to a machine (10) with a frame structure (46). Arranged on the frame structure (46) is a head (32), wherein the frame structure (46) has an actuator (96) and an air bearing (74), in order to make the head (32) move....  
WO/2011/090700A2
One embodiment of the present invention is a unique turbine engine. Another embodiment is a unique turbine engine powered system. Another embodiment is a hybrid bearing system for use in a turbine engine and/or a turbine engine powered s...  
WO/2011/088566A1
A torque multiplier for converting an input torque to an output torque. A torque multiplier includes a cam mounted on a drive shaft for rotation therewith when an input torque is applied to the drive shaft, the cam providing a magnetic f...  
WO/2011/089752A1
Disclosed is a high-precision static pressure bearing device wherein orifices or ventilation grooves etcetera are formed, thus enabling the generation of vibrations to be prevented, and a laminar flow-state to be maintained in all areas ...  
WO/2011/090944A3
A plug (10) made of a compressible and resilient material can be used in a method of reducing loss of fluid from a fluid-bearing system. The method can include locating an orifice in the fluid-bearing system, where said orifice is expose...  
WO/2011/074996A3
The solution, in accordance with the invention, consisting in at least four electromagnets symmetrically positioned inside the cylindrical casing and the electromagnetic core, is made of a set of sheets with a ring shape with internal po...  
WO/2011/074996A2
The solution, in accordance with the invention, consisting in at least four electromagnets symmetrically positioned inside the cylindrical casing and the electromagnetic core, is made of a set of sheets with a ring shape with internal po...  

Matches 201 - 250 out of 10,767