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Patent Searching and Data


Matches 651 - 700 out of 11,050

Document Document Title
WO/2002/068834A1
The invention relates to a roller for guiding at least one thread and comprising a hollow cylindrical roller sleeve. Several bearings are used for mounting the hollow cylindrical roller sleeve on a support whereby permitting the sleeve t...  
WO/2002/064987A1
A gas lubricated axial thrust bearing for resisting axial forces acting on a machine rotor, comprises at least one pad 7 mounted on a stationary machine surface and axially spaced from a surface of the rotor 1 by a lubricating gas film. ...  
WO2002049192B1
A type of passive magnetic bearing that provides for both positive radial stiffness and significant levels of passive radial damping. Axial damping and axial forces can also be generated with minor modifications to the basic configuratio...  
WO/2002/063174A1
A hydrodynamic thrust bearing arrangement (10) (Fig 1) for supporting a rotating machine shaft (12) against axial thrust forces comprises a collar (22) carried by the shaft with axially spaced, axially facing faces (24, 26), one of which...  
WO/2002/060607A1
The invention relates to a bearing device (39,40), which is particularly suitable for use in purified atmospheres such as clean rooms or purified air regions in factories. In order to prevent the rub-off from the bearing device (39, 40) ...  
WO/2002/061297A1
The invention relates to a method for monitoring the operation of a plain bearing, whereby a lubricant channel (15), for a bearing segment (11), which is provided for provision of, for example, lifting oil, is used during hydrodynamic op...  
WO2002044574A3
A reduced thrust compensation mechanism is provided with a pressurized fluid source and one conventional seal, a fluid film or foil bearing is used as another seal. A bearing system as described may be used in high speed rotating machine...  
WO/2002/054013A2
A monitoring and controlling system (A) for monitoring and controlling various operating characteristics of machine components. The monitoring and controlling system includes a primary transceiver (15), with sensors (10) and control devi...  
WO/2002/052165A2
A rotor shaft support and drive arrangement (10) comprises a bearing damper (34) including a number of interconnected oil cylinders (42) circumferentially distributed about a rotor to dampen the vibration thereof. A flexible diaphragm co...  
WO/2002/049192A1
A type of passive magnetic bearing that provides for both positive radial stiffness and significant levels of passive radial damping. Axial damping and axial forces can also be generated with minor modifications to the basic configuratio...  
WO/2002/044574A2
A reduced thrust compensation mechanism is provided with a pressurized fluid source and one conventional seal, a fluid film or foil bearing is used as another seal. A bearing system as described may be used in high speed rotating machine...  
WO/2002/040884A1
The invention concerns a rotary machine comprising a rotating shaft (2) supported by first and second radial magnetic bearings (5, 6) current-controlled by a control device (13). The rotary shaft (2) is equipped with an axial stop device...  
WO2001088397A8
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/2002/038974A1
The invention relates to a gas bearing of a rapidly rotating shaft, whose end supports a tool, in particular to a gas bearing of a rapidly rotating shaft, whose end supports a polygon mirror (27) for a spindle of an optical application. ...  
WO/2002/038975A1
Method for forming the air gap (9) of an air bearing, wherein the air gap is formed between bearing surfaces (3 and 4) designed to be movable relative to each other. According to the invention, the magnitude of the air gap (9), which is ...  
WO/2002/033807A1
An electrically driven linear motor comprises coaxial inner (10) and outer (12) cylindrical members with a fluid bearing between them. The fluid may be water. The fluid bearing extends along the entire mutual surfaces of the inner and ou...  
WO/2002/031371A1
The device comprises a) a rotor (20) which can rotate or rotates about a rotational axis (A) and b) at least one magnetic suspension bearing (2, 3), in which the rotor can be or is mounted in a contactless manner and which comprises at l...  
WO/2002/031372A1
A system (10) for pumping or mixing a fluid using a levitating, rotating magnetic bearing (14) and various other components for use in a pumping or mixing system are disclosed. The magnetic bearing (14) is placed in a fluid-containing ve...  
WO2002012742A3
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/2002/027205A1
The invention relates to a magnetic bearing arrangement (1) for a motion element having the following features. The magnetic bearing arrangement has a stator, and the magnetic bearing arrangement has a passive magnetic bearing (3, 8, 9) ...  
WO/2002/027204A1
The invention relates to a magnetic bearing, comprising: a) at least one inner bearing part (5); b) at least one outer bearing part (11) which surrounds the inner bearing part; c) at least one permanent magnet (6a to 6f) and at least one...  
WO/2002/025126A1
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...  
WO2001086151A3
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/2002/018807A1
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/2002/018806A1
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/2002/012742A2
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/2002/006689A1
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/2002/006688A1
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...  
WO2000063888A3
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/2002/004827A1
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/2002/004828A1
Externally pressurized hydrostatic bearing (10) with radial (90) and thrust (30) bearings.  
WO/2002/002957A1
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/2001/099257A1
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/2001/088397A1
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/2001/088466A1
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/2001/086158A1
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/2001/086159A1
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/2001/085372A1
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/2001/086151A2
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/2001/082466A1
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/2001/081780A1
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/2001/077401A1
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/2001/071207A1
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 ...  
WO2000045060A9
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/2001/057409A1
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/2001/053711A1
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...  
WO2001014752A8
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/2001/042654A1
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...  
WO2001018416A3
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/2001/021889A1
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...  

Matches 651 - 700 out of 11,050