Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 10,762

Document Document Title
WO/2001/003882A1
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/2001/001100A1
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/2000/079146A1
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/2000/063571A1
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/2000/063888A2
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/2000/058639A1
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/2000/049303A1
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/2000/045060A1
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/2000/045059A1
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...  
WO2000022311A3
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/2000/028190A1
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/2000/022311A2
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...  
WO2000005512A3
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/2000/011360A1
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/2000/011362A1
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/2000/008345A1
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/2000/007280A1
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/2000/005512A2
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...  
WO1999061810B1
The invention relates to a motor mount for small high-speed motors, consisting of radial and axial bearing components. The axial bearing is configured as a magnetic bearing and the radial bearing as an air bearing.  
WO/2000/003149A1
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)...  
WO1999061198A3
The invention concerns a device for using a parallel structure (S) designed for positioning and displacing a mobile member (100) comprising at least a fixed element, at least a mobile member (100) and at least three actuators (200) each ...  
WO/2000/000746A1
A compact turbo-molecular pump has a relatively short axial length and yet provides sufficient evacuation and compression capabilities. The turbo-molecular pump comprises a casing (10) which contains an exhaust vane section (L1) having r...  
WO/1999/066221A1
A static pressure gas bearing, stage device, and optical device, in which a gas layer is provided between relatively movable two members (fixed part and movable part) and maintained at a specified distance; specifically, a static pressur...  
WO/1999/064753A1
The invention relates to a magnetic bearing cell (1) comprising rotating bearing parts having at least two disks which are fixed on a shaft and each provided with one ring-shaped permanent magnet (5, 6, 7), as well as fixed bearing parts...  
WO/1999/061810A1
The invention relates to a motor mount for small high-speed motors, consisting of radial and axial bearing components. The axial bearing is configured as a magnetic bearing and the radial bearing as an air bearing.  
WO/1999/061198A2
The invention concerns a device for using a parallel structure (S) designed for positioning and displacing a mobile member (100) comprising at least a fixed element, at least a mobile member (100) and at least three actuators (200) each ...  
WO/1999/053207A1
In accordance with the present disclosure, a self-compensating bearing assembly is provided. The bearing assembly includes a bearing carriage (14) having a plurality of spaced bearing races configured to be slideably supported on a suppo...  
WO1999041510A3
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/1999/050950A1
A support assembly (14) as shown in the figure for supporting a rotating shaft relative (10) to a structure (70) in which a first magnetized member (90) is attached to the shaft for rotation therewith, a support member (20) is connected ...  
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 ...  

Matches 651 - 700 out of 10,762