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WO/2012/152539A1 |
The invention relates to a bearing arrangement for the rotatable mounting of a shaft (7) in relation to a housing (8), comprising a back-up bearing (9) which is designed as a rolling contact bearing, wherein the rolling contact bearing c...
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WO/2012/126743A1 |
The invention relates to a bearing arrangement for mounting a shaft on a connection structure, said arrangement comprising a housing (1), a bearing which bears the shaft, and a backup bearing which comprises a bearing ring that makes con...
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WO/2012/080983A1 |
A cable transportation system with at least one haul cable has a supporting structure (4) with a tubular portion (9) defining an axis of rotation (A); a pulley (5) extending about the axis of rotation (A); and a bearing assembly (14), wh...
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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...
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WO/2012/062524A1 |
The method of orientating a clockmaking component made of magnetically permeable or magnetic material having two ends. Two magnetic fields, each one attracting said component to a pole piece, are created on each side of said ends, with a...
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WO/2012/054917A2 |
A hydraulic bushing having at least two chambers and at least one channel connecting the chambers. The bushing is made of a high durometer rubber or other polymer to increase durability. The bushing further includes a center bearing pres...
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WO/2012/025292A1 |
The invention relates to a safety bearing (1) for a magnetic bearing of a rotatable shaft (2) for retaining and guiding the shaft (2) in the event of a failure of the magnetic bearing, having an inner ring (3, 8), an outer ring (4, 9) wh...
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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...
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WO/2012/004086A1 |
A pressurized backup lubricant reservoir (36) with a lubricant line (31) to a rotor bearing (21). A control valve (43) on the backup lubricant line is normally closed. A monitor/controller (44) monitors multiple parameters of the bearing...
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WO/2012/000066A2 |
Method for controlling a compressor element of a screw compressor, and the said compressor element (1) has a housing (2) with two meshing helical rotors (3-4) in it that are each supported in the housing (2) in the axial direction (X-X')...
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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...
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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 ...
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WO/2011/128494A1 |
Arrangement for stabilizing rotation of an axle (3) supported by bearing elements (2, 5) and for keeping the rotational centre of the axle (3) at its place in the bearing elements in relation to the centre of the inner cylinder surface (...
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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...
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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 ...
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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 ...
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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 ...
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WO/2011/057738A2 |
The invention relates to a supercharging device (17) for compressing a gaseous medium, in particular for a fuel cell, comprising a housing (18), as well as a shaft (14) which is accommodated by the casing (18) and is mounted radially in ...
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WO/2011/020474A1 |
An agitator (1) for stirring a process media inside an enclosure (2) comprising: -a drive shaft (3), -a stirrer (4) suspended from the drive shaft (3), -means (5) for rotating the drive shaft, -a bearing arrangement (6) comprising at lea...
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WO/2011/011573A1 |
Apparatus and method for determining the clearance and wear of mechanical back-up bearings of turbomachinery utilizing electromagnetic bearings. In order to reduce the prospects of catastrophic failure during a shut-down or loss of elect...
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WO/2011/004225A1 |
A bearing support assembly (10) comprising a bearing (12) supported within a bearing block (14) is provided. A shaft (26) is arranged to rotate within the bearing (12) and a disc member (34) is carried on the shaft (26) proximate to the ...
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WO/2011/003759A1 |
The invention relates to a safety bearing for retaining a rotor shaft (4) of a machine (1), wherein the safety bearing (2) comprises a first carrier body (7) rotating about a virtual geometric center line (M) and roller bodies (5), where...
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WO/2010/149731A1 |
This assembly comprises a drive shaft, which is rotatable about a drive axis, and a sliding connection module, the drive shaft comprising: - a driving end portion; - a connecting end portion drivingly connected to the connection module; ...
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WO/2010/136264A1 |
The invention relates to a method for monitoring the state of a safety bearing (14) of a machine (12), wherein the safety bearing (14) catches a rotor shaft (1) of the machine (12) in case of failure of a magnetic bearing (6) of the mach...
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WO/2010/124350A1 |
Device for absorbing an axial force exerted on a machine shaft, which shaft (1) is provided with one or several rotors (2), and whereby this device comprises at least two axial bearings to support the aforesaid shaft (1), namely a first ...
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WO/2010/121284A1 |
The invention relates to an actuator system (2), comprising at least one final control element (29, 29') and an associated control chain (8), which is designed for at least two operating modes, of which at least one can be deactivated, w...
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WO/2010/116094A1 |
The invention relates to a system for measuring a variation in the distance (h) of an axis (A) of rotation of an object (2) relative to a point in a plane perpendicular to this axis, comprising: at least two sensors (31, 32) for measurin...
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WO/2010/083813A1 |
The present invention relates to a bearing construction for supporting and/or guiding components, wherein the bearing construction comprises an axle (4) on which a rotor (5) is rotatably disposed, and an ultrasonic oscillator (1) for gen...
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WO/2010/079885A2 |
Disclosed are a reciprocating compressor and a refrigerating apparatus having the same, wherein a magnet bearing is inserted between facing surfaces between a cylinder block and a crank shaft and the magnet bearing so as to generate a ma...
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WO/2010/063261A1 |
The aim of the invention is to propose a bearing arrangement and a method for ensuring smooth running when bearing partners are supported. To this end, a bearing arrangement (1) having two bearing partners (2, 3) and having a rolling bea...
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WO/2010/064978A1 |
An electrodynamic actuator (1) comprises a stator actuator part (21) having a stator magnetic circuit member (22), and a rotor actuator part (11) having a rotationally symmetric rotor magnetic circuit member (12). The actuator further co...
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WO/2010/043435A1 |
The invention relates to a safety bearing (1) for synchronous machines and/or asynchronous machines, particularly in the megawatt range, the rotors (15) of said machines comprising a shaft (17) held or supported by means of active magnet...
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WO/2010/006859A1 |
The invention relates to a bearing arrangement and a bearing block (1) composed of a magnetic radial bearing (4) for the contact-less support of a rotor shaft (7) of a rotating machine (10), and composed of a safety bearing (5) for catch...
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WO/2010/003514A1 |
A valve arrangement (10) comprising a valve body (22) and a housing (12) wherein spacing and centring of the valve body (22) with respect to the housing (12) is achieved via generation of repelling magnetic fields. Axial actuation of the...
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WO/2009/157252A1 |
A magnetic bearing apparatus which facilitates production thereof and improves precision in production thereof while maintaining an eddy current-reducing effect. The magnetic bearing apparatus (10) supporting a rotary shaft (3) with magn...
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WO/2009/111909A1 |
A vertical pivotal rotary system with a magnetic suspension device includes a vertical shaft, several bearings and a case, wherein said case includes an upper support plate and a lower support plate and a brattice lies between said upper...
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WO/2009/109548A1 |
A machine has a base (2), a rotating element (4) and at least one bearing system (6). Said bearing system (6) has an operating bearing (7) and a backup bearing (8) associated with the operating bearing (7). The backup bearing (8) has a b...
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WO/2009/103633A1 |
A permanent magnet (5, 11, 13) having a magnetic body made of a permanent magnetic material has a magnetic north and a magnetic south, wherein said magnetic body has a first pole surface (14) and a second pole surface on opposite ends ha...
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WO/2009/007044A9 |
The invention relates to a hybrid bearing comprising a first bearing shell with a sliding face, and a second bearing shell with a second sliding face, wherein the first sliding face and the second sliding face are located opposite one an...
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WO/2009/054016A2 |
The machine comprises a forming spindle (4), around which one or more strips (S1, S2) of web material are wound; a winding unit (5) to wind the strips of web material around the forming spindle and form therewith a tubular article (T); a...
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WO/2009/021721A2 |
The invention relates to a method for supporting rotatable devices, particularly a medical scanner having an inner ring (1, 10, 11) and an outer ring (2, 12, 20). According to the invention, the inner ring and outer ring are guided witho...
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WO/2009/015639A2 |
The invention relates to a sensor system for a magnetic bearing, comprising two actuator coils (1, 2), two clocked power output stages (4, 5), a current sensor (3) for detecting those currents in the actuator coils (1, 2) which are encum...
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WO/2009/009864A1 |
An assembly for preventing damage to bearings of a gas turbine engine (10) during transportation is provided. The assembly comprises a turbofan gas turbine engine (10) having an engine casing (20) and at least one turbine shaft (22) supp...
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WO/2009/002584A2 |
A passive magnetic bearing system, comprising: a rotor (10) having a vertical axis (12) rotation; a first circular magnetic element (14) fixedly attached to an upper portion of said rotor (10); a second circular magnetic element (16) fix...
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WO/2008/155162A1 |
An axial bearing disk (12) for a turbomachine rotor of a turbomachine comprises a carrier part (14) and a bearing part (15), each made of acid gas resistant material, wherein the carrier part material is high-strength and the bearing par...
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WO/2008/135265A1 |
The invention relates to a method for controlling the movement of at least one component assembly of a machine tool, wherein the component assembly has a rotatable spindle (1) which is mounted on the component assembly by means of at lea...
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WO/2008/101869A1 |
The invention relates to a rolling bearing, in particular for a shift device of a gearwheel change transmission, for the longitudinally movable and pivotable rolling mounting of a shift element, comprising a plurality of rolling bodies w...
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WO/2008/098996A1 |
The invention relates to a driven galette which can be heated inductively and to a method for operating a galette which can be heated inductively. In order to save installation space for the galette, both heating coils for heating and st...
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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/2008/075269A2 |
A magnetic levitation control system (100) includes a sensor (106) configured to measure a gap between an electro magnet and a stage and generate a gap measurement signal. A gap filter (112) is configured to receive the gap measurement s...
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