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Patent Searching and Data


Matches 501 - 550 out of 5,142

Document Document Title
WO/2002/025126
The invention relates to a hydrostatic bearing device, comprising two bearing elements, each of which has at least one sliding surface and which face each other with their sliding surfaces. At least one of the bearing elements (1) has at...  
WO/2002/018806
Gas bearing for use in rolls (1) and rollers having a shaft (2) and a rotating envelope part (3) supported by bearings on the shaft, said bearing comprising an inner part fitted to the shaft (2) and an outer part fitted to the envelope (...  
WO/2002/018807
The invention relates to a magnetic bearing (2) for magnetically suspending a rotating shaft (3) within a stator. Said magnetic bearing comprises a first bearing element (5) rigidly linked with the shaft which is enclosed by a second bea...  
WO/2002/012742
The present invention has its object to provide a hydrostatic gas bearing excellent in a vibration-damping characteristic. The hydrostatic gas bearing is provided with a gas ejecting equipments composed of a cylindrical fine hole having ...  
WO/2002/006689
A magnetic bearing (1, 2, 3) has two bearing members (5, 7) each of which carries a set of bearing elements (4, 6) and the bearing elements (4) of a said set carried by one member (5) are interleaved with the bearing elements (6) of a sa...  
WO/2002/006688
The invention relates to a magnetic bearing assembly of a rotor in a stator comprising at least one magnetic bearing (1), which has a stator part (2) and a rotor part (3) that, in an operating position, is arranged coaxially thereto with...  
WO/2002/004827
An externally pressurized hydrostatic bearing (10) for a turbocharger (M) comprised of a hydrostatic radial bearing (90) and a hydrostatic thrust bearing (30) both being fed fluid at the same external pressure and with a common fluid sup...  
WO/2002/004828
Externally pressurized hydrostatic bearing (10) with radial (90) and thrust (30) bearings.  
WO/2002/002957
The invention concerns a contact roller bearing for a vacuum pump comprising a rotor roller bearing ring (12) a coaxial stator roller bearing ring (13) between which are provided rolling elements (14a, 14b, 14c, 14d) housed in succession...  
WO/2001/099257
A substrate processing chamber (100) includes a substrate support (119) to support a substrate (117) in the chamber. A rotor (113) is coupled to the substrate support such that rotation of the rotor causes rotation of the substrate suppo...  
WO/2001/088397
A system for measuring dynamic loads in a rotordynamic system having a rotor includes a magnetic bearing disposed around the rotor and having a plurality of magnets and at least one fiber optic strain gage associated with a pole of a res...  
WO/2001/088466
In a rotary assembly comprising a rotor mounted in rotation in a stator about a mean axis or rotation, a radial position sensor comprises three induction sensors (51, 52, 53) distributed in the stator substantially at 120° from one anot...  
WO/2001/086158
The invention relates to a machine (1), comprising a stator and a rotor (2) which is mounted with radially stable and axially unstable magnetic bearings (3, 4). Said magnetic bearings (3, 4) each consist of concentrically arranged magnet...  
WO/2001/085372
A headstock for machines or automatic lathes comprises a housing (1) with a hollow main spindle (2), whereby an electric motor and/or a pulley (3) for an electrically powered belt drive is/are mounted on said main spindle. A hollow pull-...  
WO/2001/086159
A sensorless magnetic levitation device is provided for holding an object or a magnetic object in noncontact manner between a pair of electromagnets. An inverter circuit (X) energizes a bridge circuit consisting of windings (9, 10) of th...  
WO/2001/086151
The invention relates to a magnetic bearing for rapidly rotating machines (1), in particular, for turbo compressors, drag vacuum pumps, or similar, comprising two bearings (3, 4), each with a stator magnetic-ring set (5, 7) and a rotor m...  
WO/2001/082466
A magnetic bearing controller capable of operating a motor at a low noise, simple in system structure, small in size, and low in cost, comprising at least a pair of opposed electromagnets floatingly supporting a floated body, a motor (M)...  
WO/2001/081780
A magnetic bearing in which the magnetic gap between the magnetic pole face of a stator (electromagnet) of the magnetic bearing and the rotator is small, the size of the magnetic bearing is small, and the corrosion resistance thereof is ...  
WO/2001/077401
The invention relates to a coating installation for coating a metal strip (12) in a molten mass (14) of a non-magnetic metal, which is provided with a shaft (16) that rotates in the molten mass (14) and that guides the metal strip (12). ...  
WO/2001/071207
The invention relates to a hydrostatic bearing and aims to obtain a bearing that is frictionless to a large extent and to simplify the structural design. To these ends, the invention provides that an insert (4) made of a porous material ...  
WO/2001/057409
A hydrostatic gas bearing for use in vacuum in which increase in the quantity of gas being discharged during movement of a moving body is reduced by subjecting the surface of the guide shaft of a fixed body and/or the moving body to proc...  
WO/2001/053711
A bearing for supporting a rotating shaft receiving a transverse load, wherein the bearing supports the shaft along a load line and wherein the bearing is closest to the rotating shaft at a running line. The bearing includes a circumfere...  
WO/2001/042654
A turbocharger (40) for use in an engine includes a turbine (42), a compressor (44), and a mechanical assembly (46). The mechanical assembly (46) includes a shaft (62) connecting a turbine wheel (50) to a compressor wheel (54), and an an...  
WO/2001/021889
The present invention relates to paper and board machines, in particular, the present invention relates to a method and an arrangement for control of rolls, in particular for controlling relieving, the deflection line of rolls, the linea...  
WO/2001/020179
The slide bearing is constructed of, on one hand, a hydrodynamic radial slide bearing (2) which surrounds, with a play, an axle (1) to be beared, such that between the axle (1) and the radial slide bearing (2), a first gap (9) is formed ...  
WO/2001/018416
A support actuator (20) comprises an electro-magnet (21) having an input current (22), provided through a current controller (23), and which is arranged to generate a magnetic field (24) having a variable intensity proportional to a vari...  
WO/2001/016464
A gas bearing structure including a cylindrical core (30) and a cylindrical sleeve (50). The core (30) has a radially outwardly facing surface with longitudinal and circumferential grooves formed thereon. The sleeve (50) has a radially i...  
WO/2001/014752
An injection system used to generate an aerodynamically induced force, with accordance to the present invention, serving as an air-cushion non-contact supporting system. The system comprises a high pressure manifold (101), connected by h...  
WO/2001/011999
The adaptable spherical object gel surface bearing for static and dynamic loads is comprised of individual bodies (1, 1', 11), preferably spherical objects made of a hard or elastic material with an average diameter Ø $m(K) $g(m)m - 50 ...  
WO/2001/009529
A controller of a magnetic bearing changes the sampling rate of a DSP (4) according to the change in the number of rotations of a rotating member (1). As a result, the frequency range to be attenuated by a notch filter (42), i.e., a digi...  
WO/2001/008835
Non-rotating, belt-levitating, cylindrical air-pillow apparatus (40, 42) and method supporting and guiding a moving, tensed, flexible, heat-conductive casting belt (28, 30) along a convex, cylindrically shaped path toward an entrance (22...  
WO/2001/006139
A rotating body in a still status on a magnetic bearing is moved until it hits a protection bearing to determine an average value (S) of moved spans. A type of a magnetic bearing is judged based on this value differing depending on diffe...  
WO/2001/006621
Means to prevent wear from occurring due to a contact sliding of a thrust dynamic pressure bearing surface at the time of start of a spindle motor, wherein a cylindrical column (4) of a radial dynamic pressure bearing having a radial dyn...  
WO/2001/003882
The invention relates to a bearing arrangement for machine tool spindles, consisting of a hydrostatic radial bearing and at least one radial-axial-roller bearing.  
WO/2001/001100
The invention relates to a method for reducing wobbling of a rotating rotor body (1) which is mounted in a freely suspended manner and which comprises reflecting surfaces (13) on the outer periphery thereof. According to the inventive me...  
WO/2000/079146
A high capacity thrust bearing is disclosed for use in a tubular drilling string to support axial loads resulting from upward or downward jarring forces. The thrust bearing comprises an inner mandrel and an outer housing. A mandrel press...  
WO/2000/063571
The invention relates to a hydrostatic bearing device for two machine areas (1; 1'; 2) which can be moved in relation to one another, which comprise parallelly arranged surfaces (1a; 1a'; 2a; 2a') and a liquid chamber (3) that is delimit...  
WO/2000/063888
Apparatus and method for controlling position of a head (120) in a disc drive (100), the head supported by a rotary actuator (110) which is in turn magnetically levitated by an active magnetic bearing assembly (112). A servo control circ...  
WO/2000/058639
A magnetic bearing device, comprising at least a touch down bearing and corrugated damping members inserted into an annular clearance between the bearing and a holding member thereof, the corrugated damping members being held continuousl...  
WO/2000/049303
In an air pressure bearing having two axes, air exhaust pipes (3) are connected only with the fixed parts (4) of the lower axis.  
WO/2000/045060
A preload hydrostatic bearing (12) includes a pad (28), a diaphragm (28) and an adjustable member (32). The pad has a bearing structure (38), an inlet manifold (34), and a plurality of orifices (36). The orifices direct a fluid, such as ...  
WO/2000/045059
A controlled magnetic bearing device capable of floating and supporting a rotary body stably by generating a control signal on the basis of a sensor signal coming from a displacement sensor for detecting radial displacement of the rotary...  
WO/2000/028190
The invention relates to shaft bearing (1) for the rotor (2) of a turbo-machine (19) which extends along a rotor pin (3). Said shaft bearing (1) has a bearing element (5) with a bearing surface (15). Said bearing surface (15) supports an...  
WO/2000/022311
The invention relates to a magnetic bearing, wherein a first part (1, 20) is magnetically mounted in relation to a second part (3, 10) and the second part (3, 10) has a supraconductive material (2) of a second type containing an anisotro...  
WO/2000/011360
A tilting pad journal bearing (2) comprises a bearing shell (4) having a substantially cylindrical inner surface and at least three bearing pads (5, 6, 7) extending around the inner surface of the bearing shell in a substantially circumf...  
WO/2000/011362
A bearing assembly (2) comprises an outer shell (3) providing a pair of coaxial annular surfaces (4a, 5a) spaced apart and facing inwardly towards each other, and an inner shell (7) within the outer shell, the inner shell providing a pai...  
WO/2000/008345
The invention relates to an air bearing (1) for a high peripheral speed rotational shaft (2) of a motor spindle for driving a processing tool, comprising a shaft (2) with bearing surfaces (3, 5, 6) and counter-bearing surfaces (9, 11) of...  
WO/2000/007280
Rotor systems are provided comprising rotor, magnetic bearings and a magnetic bearing controller. The controller is one which varies in accordance with linear parameters and is preferably responsive to linear matrix inequalities. High sp...  
WO/2000/005512
The invention relates to a roller (100) for exerting pressure on fabric webs, comprising a hollow cylinder (1) which supports the working cylinder circumference (4) and can be rotated about its axis A, a crosshead (5) which passes throug...  
WO/2000/003149
A linear motion bearing assembly includes a carriage (12) having a bearing track (14, 16), a fluid inlet port and a fluid supply passage interconnecting the fluid inlet port (40) and the bearing track (14, 16). The bearing track (14, 16)...  

Matches 501 - 550 out of 5,142