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WO/1999/005573 |
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...
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WO/1999/005418 |
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...
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WO/1999/002872 |
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...
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WO/1998/059407 |
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...
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WO/1998/059406 |
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...
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WO/1998/057776 |
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 ...
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WO/1998/057117 |
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...
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WO/1998/054475 |
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....
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WO/1998/050707 |
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,...
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WO/1998/045608 |
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 ...
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WO/1998/042993 |
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...
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WO/1998/043341 |
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...
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WO/1998/040955 |
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...
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WO/1998/036184 |
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...
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WO/1998/036185 |
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...
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WO/1998/035167 |
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...
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WO/1998/035166 |
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...
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WO/1998/032981 |
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...
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WO/1998/030809 |
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...
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WO/1998/028741 |
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...
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WO/1998/028527 |
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...
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WO/1998/026444 |
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...
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WO/1998/025039 |
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...
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WO/1998/023876 |
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...
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WO/1998/014817 |
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...
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WO/1998/013612 |
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...
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WO/1997/046469 |
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...
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WO/1997/037146 |
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...
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WO/1997/032386 |
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...
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WO/1997/031193 |
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...
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WO/1997/029291 |
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 (...
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WO/1997/026224 |
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...
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WO/1997/024537 |
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...
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WO/1997/024535 |
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...
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WO/1997/019273 |
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...
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WO/1997/013986 |
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...
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WO/1997/013985 |
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)...
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WO/1997/008470 |
An integrated spindle shaft and the like and self-compensating hydrostatic bearing assembly, obviating the need for external bearing sleeve constructions, in which a cylindrical bearing bore is so provided having circumferential grooves ...
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WO/1997/005399 |
A roller has a rotary hollow roller and a non-rotary crosshead that extends through the hollow roller in the longitudinal direction. The hollow roller is supported by supporting elements (14) that act against its inner circumference and ...
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WO/1997/004243 |
An electromagnetic radial bearing (30) has diametrically opposite pole arrangements in pairs (15'1, 15'3 and 15'2, 15'4) which have limbs (191A, 191B, 191C, 192A etc.) spaced apart circumferentially of a rotor (11), each limb carrying bo...
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WO/1997/002732 |
A magnetic bearing with reduced control-flux-induced rotor loss includes a rotor (14), and a stator (12) having a plurality of slots (S1-S16) around which coils (150-156) of a first Phase A and coils (160-166) of a second Phase B are wou...
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WO/1996/041409 |
A magnetic bearing apparatus and a method for providing at least one stabilizing force in a magnetic bearing structure with a superconducting magnetic assembly (12, 42, 82, 102) and a magnetic assembly (30, 60, 92, 112), by providing a s...
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WO/1996/036059 |
A soft magnetic article is disclosed which is formed of an alloy consisting essentially of, in weight percent, about C 0.003 - 0.02, Mn 0.10 max., Si 0.10 max., P 0.01 max., S 0.003 max., Cr 0.1 max., Ni 0.2 max., Mo 0.1 max., Co 48 - 50...
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WO/1996/035884 |
A coating system (10) and method for facilitating the cleaning of hydrodynamic bearings (12) and their associated structure is effectuated by applying a surface energy lowering coating (62) to selected portions of the bearing other than ...
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WO/1996/029522 |
In a magnetically mounted oscillation-damped flywheel, both the force generating systems (M1, M2) for the radial drive and transverse movement and the corresponding control sensors (SE1...SE4) are located in the wheel hub. Parasitic osci...
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WO/1996/029775 |
In a magnetically mounted, position-stabilised flywheel, the force-generating systems (M1) at least for the rotary drive are designed to operate on the electrodynamic principle and located inside the wheel hub. The coils are situated on ...
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WO/1996/024777 |
A hydraulic axial bearing for a radially-mounted axle (1), which has a flange (1a) incorporating an outer, substantially axial sealing gap (7) formed between the flange and a sealing ring (3), and an inner, substantially radial sealing g...
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WO/1996/023400 |
A method of concentrating energy to produce large velocity, high pressure and/or high temperature conditions, including the steps of forming a resonant cavity inside a container; filling the resonant cavity with a liquid having a compres...
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WO/1996/022475 |
The magnetic bearing for the magnetically active centering, along a centering axis, of a second body (B) in a relative motion with respect to a first body (A) comprises in particular an actuator (12) comprising at least a first ferromagn...
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WO/1996/018805 |
The bearings (3, 4) of the shaft (2) of a turbine (1) have each a first bearing part (3a, 4a) joined to the shaft and a second fixed bearing part (3b, 4b). In order to make the bearings (3, 4) inherently stable, one of both bearing parts...
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