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Patent Searching and Data


Matches 651 - 700 out of 10,740

Document Document Title
WO/1999/042731A1
A circulation fan apparatus including a hermetic vessel (1) containing a corrosive process gas therein, and a circulation fan (2) installed in the hermetic vessel, rotors (2-1, 2-2) of the circulation fan are rotatably supported by beari...  
WO/1999/042736A1
A machine tool (10) comprising a base (12), with a guide surface, a workpiece holder on the base, a movable tool carriage (14) along with guide surfaces toward the workpiece. Hydrostatic bearings (54, 56) are situated in the carriage for...  
WO/1999/041510A2
It is an object of the present invention to provide a magnetic bearing controller which is able to levitate the controlled object stably by using controlled magnetic forces. In the magnetic bearing controller which supplies a controlled ...  
WO/1999/041505A1
A hydrostatic servo positioning system and hydrostatic thrust bearing for an integral motor/generator and pump/turbine provides recirculating seal liquid through the positioning system and bearings to permit minimal seal liquid flow. In ...  
WO/1999/040334A1
The invention relates to a method for controlling systems which have winding for carrying power and winding for torque. The systems are controlled by electric drives having an integrated magnetic bearing. The drives comprise an electrica...  
WO/1999/037912A1
In one aspect, the invention is concerned with a machine comprising: an annular stator-ring; an annular rotor-ring rotatable within or outside said stator-ring, and preferably at least substantially co-axial therewith; magnetic means, pr...  
WO/1999/035413A1
The invention relates to a bearing for a shaft with a high speed characteristic which absorbs external forces acting on the shaft, and provides for a single-piece hydrostatic bearing (2) for absorbing axial and radial forces at high spee...  
WO/1999/025980A1
The weight and volume of a centrifugal fuel pump ideally suited for use in a fuel system for a turbine engine (12) may be reduced in a construction including a single shaft (10) mounting an inducing impeller (18), an impeller (22) for a ...  
WO/1999/017034A1
There is described a support system enabling supporting an object such as a platform (1) free from vibration, in that bearing elements (50) have a stiffness (k) which at a working point (z¿0?) equals zero. A bearing element (50) compris...  
WO/1999/013224A1
The invention relates to a rotary screw machine that is completely oil-free. Known rotary screw machines with cooling, sealing, lubrication of the screw rotors and oil-lubrication and oil-cooling of the bearings have been replaced with w...  
WO/1999/011943A1
The invention relates to a regulator for adjusting the medium flow from a medium supply to at least one hydrostatic or aerostatic pocket of a bearing arrangement, a threaded spindle nut or a guide. Said regulator comprises a housing and ...  
WO/1999/005573A1
A supporting device (53) provided with a first part (69), a second part (71), and a gas spring (73) for supporting the second part relative to the first part parallel to a support direction (Z). The gas spring (73) comprises a pressure c...  
WO/1999/005418A1
The invention relates to a mounting for a turbo-machine rotor (16). Said mounting is characterized in that radial support of the rotor is assured by one or more permanent magnet bearings (20, 22). One or more single-thrust sliding bearin...  
WO/1999/002872A1
The present invention relates to a spreader roll (1). Such a roll includes a curved central shaft (2) and roll segments (3) arranged in a rotary fashion to this and including a cylindrical shell (4) and at least one radial supporting dev...  
WO/1998/059407A1
The invention relates to a electric drive mechanism with a magnetic bearing. The inventive electric drive mechanism comprises an electric machine with a magnetic bearing, mechanical and magnetic bearing windings being provided in the sta...  
WO/1998/059406A1
The invention relates to an electric drive with magnetic bearings, comprising an electric machine with magnetic bearings, said machine having windings built into the stator or rotor for producing the torque and the carrying force, and an...  
WO/1998/057776A1
A position detector using a magnetic bearing spindle with which both working and position detection can be made. The magnetic bearing spindle (20) is moved toward a work (3) on the X-Y coordinates and a tool (31) is brought into contact ...  
WO/1998/057117A1
A flux position sensor (72) for magnetic bearings applications is provided by creating a secondary, or shunt, flux path in parallel with a main flux path of a magnetic bearing (62). The secondary flux path is formed such that a small amo...  
WO/1998/054475A1
Bearing device of magnet type for instruments and the like and non-contact support of one part relatively to another part by means of magnet fields wherein the one part is rotatable relatively to the other at least a part of a full turn....  
WO/1998/050707A1
The invention relates to a joint (14) having a socket (12) for articulated accommodation of a pivot pin (1), and means (5, 7, 8) for hydrostatic accommodation of this pivot pin (1) in the socket (12). The joint (14) also has means (2, 3,...  
WO/1998/045608A1
A tilting pad journal bearing (10) has a shell (18) with an inner surface (48) which is dimensionally coincident with, yet slightly larger than, the geometry of the outer surface (44) of its bearing pads (16). The pads (16) are provided ...  
WO/1998/042993A1
A thrust bearing (5) as in the Figure, for a rotating member (15) that is subject to axial forces causing movement in an axial direction of a rotating member. A sealing surface (17) is positioned on at least a portion of the rotating mem...  
WO/1998/043341A1
A power supply device for providing uninterrupted power for a period of time is disclosed. The power supply device has a controller and a flywheel device. The flywheel device has a housing (45) that contains a flywheel rotor (15) and a m...  
WO/1998/040955A1
A flywheel energy accumulator has a vertical shaft and passive, superconducting magnetic axial bearings (SML) mounted thereon, as well as an inner rotor electric motor/generator whose rotor is mechanically coupled to several flywheels an...  
WO/1998/036184A1
The invention relates to a glide bearing for a roll. The glide bearing comprises several hydrostatic bearing elements (10, 20, 30, 40) which are provided with bearing shoes (16, 26, 36, 41) fitted to be positioned around the neck of a ro...  
WO/1998/036185A1
The invention concerns a bearing control system for a roll with hydrostatic bearings, which roll is mounted from its axle (3) on a bearing block or on an equivalent frame member by means of a number of hydraulically loaded hydrostatic be...  
WO/1998/035167A1
The invention concerns a 1-active-axis rotary magnetic bearing comprising: a first portion including, around a rotation axis, two ring-shaped radially internal (23) and radially external (24) polar parts and a ring-shaped magnet with per...  
WO/1998/035166A1
An integrated spindle shaft (1) and the like and self-compensating hydrostatic bearing assembly, obviating the need for external bearing sleeve constructions, in which a cylinder bearing bore is so provided having circumferential grooves...  
WO/1998/032981A1
Device for magnetic suspension of a rotor (10, 20, 30) in relative rotational movement along a predetermined rotation symmetric path with respect to a stator (14, 24, 26, 34, 36). Rotor (10, 20, 30) comprises a rotational body (11, 21, 3...  
WO/1998/030809A1
A hydrostatic bearing assembly is provided for a carriage and guide rail combination in wich the carriage (12) straddles and is guided by the guide rail (18). The guide rail (18) presents two outwardly facing parallel faces (24, 26) whic...  
WO/1998/028741A1
A rotary table with a driveable rotationally symmetrical rotating plate (2) that is placed in a supporting member (1), whereby a gas cushion, specially an air cushion (5), is placed between the rotating plate (2) and the inner surface (3...  
WO/1998/028527A1
In a turbocharger shaft bearing system, a thrust bearing (11) is provided inboard of the compressor end shaft bearing (13). Removable parts of the turbocharger housing permit assembly of a first thrust bearing part (40) with an outwardly...  
WO/1998/026444A1
A vacuum compatible linear motion device having a fluid bearing is contained within a vacuum chamber having a working pressure of significantly less than one atmosphere. The fluid bearing is contained within a vacuum enclosure within the...  
WO/1998/025039A1
A bearing (14) for supporting rotating equipment, a fluid handling system (50) associated therewith, control system (200) therefore, method and apparatus is disclosed in which a rotating shaft (S) is suspended in a fluid. Shaft precessio...  
WO/1998/023876A1
The invention provides improved magnetic bearings intended to function successfully at elevated temperatures, particularly temperatures in excess of 600 �C. The invention provides the magnetic bearing in the form of a number of decoupl...  
WO/1998/014817A1
The invention relates to a thermal compensation device having a thermal compensation cell for a hydraulic storage cell that has a working chamber and a compensation chamber. According to the invention, each of the chambers of the storage...  
WO/1998/013612A1
An electromagnetic suspension apparatus is disclosed which comprises a pair of oppositely arranged electromagnets (3, 4), each of which has at least one coil for applying suspension forces to a rotor (2) to be suspended when electrical p...  
WO/1997/046469A1
A conveyor roller (10) is provided including a first, elongated hollow cylindrical member (14) having opposing ends. A second, elongated cylindrical member (12) is disposed concentrically within the first cylindrical member (14) has oppo...  
WO1997019273A3  
WO/1997/037146A1
A device including a reference ring (50) made of a low-resistivity non-magnetic material and mounted on the rotor, stator coils adjacent to the reference ring (50), and AC power supply means for the coils, is disclosed. A ring-shaped rac...  
WO/1997/032386A1
The invention concerns a flywheel energy accumulator which has a vertical shaft and comprises an upper flywheel and a lower flywheel which are driven by a homopolar machine and are jointly mounted at a mutual spacing on the rotor shaft o...  
WO/1997/031193A1
A rotor arrangement (10), particularly a shaft suspended in a magnetic bearing arrangement having an active axial magnetic bearing (12), includes an axial shaft displacement sensor (26) and a displacement rate transducer (32) which co-op...  
WO/1997/029291A1
A rotary hybrid bearing (6) that utilizes both hydrostatic and hydrodynamic principles to support a rotatable shaft (7) in which lubricating fluid is fed through orifices (8) or other flow restriction devices to a plurality of recesses (...  
WO/1997/026224A1
The invention concerns a process for producing optimized melt-textured volume probes based on the high-temperature superconductor YBa2Cu3O7 (YBCO) for use in contact-less self-stabilizing magnetic bearings. The object of the invention is...  
WO/1997/024537A1
A backup bearing (30) for supplying backup to magnetic bearings is provided, the backup bearing comprising: an outer race (32) disposed about the axis (Y) of a stationary shaft (17), the outer race mounted to a flywheel assembly (16) for...  
WO/1997/024535A1
Bearing systems, such as magnetic bearings, are widely used today in a variety of applications. All bearing systems are, however, subject to failure. Therefore, backup bearing systems are often utilized in conjunction with a main bearing...  
WO/1997/019273A2
The invention relates to a magnetic bearing for the contact-free support of a moving, specifically rotating, body (hereinafter referred to as the rotor (1)) in relation to a fixed part (hereinafter referred to as the stator (8)), at leas...  
WO/1997/013986A1
The invention relates to a rotodynamic machine for conveying a fluid, like a turbo-machine (2) or a centrifugal pump, with at least one drive and bearing device (1) in the form of an electric motor with a stator and a magnetic-bearing ro...  
WO/1997/013985A1
A magnetic bearing device comprising a protective bearing that makes contact with a rotating shaft in the beginning to prevent vibrations so that the shaft speed may increase stably and reach a steady state. A frusto-conical portion (24)...  
WO1997002732A3  

Matches 651 - 700 out of 10,740