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Patent Searching and Data


Matches 651 - 700 out of 5,142

Document Document Title
WO/1994/008384
A magnetic bearing system uses conductive loops which interact with magnets (26, 28, 29) to levitate a rotor (16-18) and to center on a rotational axis (A1). The rotor having a plurality of closed loops (22, 24) of finite inductance and ...  
WO/1994/007045
A bearing system (10) including one or more bearings (12, 14, 16) for optimizing stiffness of each bearing which includes an individual regulator (28, 30, 32), pressure meter (40, 42, 44) and flow meter (34, 36, 38) to each bearing. The ...  
WO/1994/004837
Described is a stream turbine with a shaft (3) which, at least over part of its length, is located in a housing (4) through which it passes, one end of the housing (4) being the high-pressure end (10) and the opposite end the steam-exhau...  
WO/1994/000819
A method and apparatus for designing hydrodynamic bearings having movable bearing pads and a method for supporting a rotating shaft with such bearings. Bearing pad position under load is calculated using finite element analysis to determ...  
WO/1993/023683
In order to stabilise a body borne contactlessly in the magnetic field of a stator, there is a magnetic bearing regulator which influences the magnetic field between magnetisable components in the stator and magnetisable components of th...  
WO/1993/022573
A one piece hydrodynamic bearing which replicates the function and performance of more costly tilt pad bearings. The pads (12) are supported on a single thin web (37) for pivoting on a support structure which can include one or more beam...  
WO/1993/022575
A fluid dampened support for a bearing such as a tilt pad bearing or a rolling element (13) bearing such as a ball bearing, needle bearing, roller bearing and the like. The fluid dampened support (20) includes a network of closely spaced...  
WO/1993/020362
The invention concerns an auxiliary bearing system with mechanical bearing elements (3, 4), the auxiliary bearing system being designed for a rotor (2) which is mounted for contactless motion in a stator (1), in particular by means of a ...  
WO/1993/018212
Open-end spinning machines require a device with a drive and a bearing for shaft-less spinning rotors (1) that rotate at a very high speed. The device must drive and support in a reliable manner different spinning rotors, with low losses...  
WO/1993/012352
In ball-race rotary couplings, e.g. for open-cast mining equipment, there are oil-lubricated ball-race base sections made up of segments to take the bearing balls carrying the structure which can rotate in relation to the chassis. In ord...  
WO/1993/012401
A slide assembly (10) comprises an axially displaceable member (11) and guidance means for guiding displacement of the member. The guidance means comprises at least one set of air bearings (12), which co-operate with the peripheral surfa...  
WO/1993/007388
A fluid pump (10) with rotary impeller (68) is disclosed which comprises an electromagnetically-driven (30), bearing free, seal-free rotary impeller (68) levitated by localized opposed, repulsive, permanent magnetic forces (60, 64) only....  
WO/1993/003292
A flywheel (10) having superconductor bearings (110) has a lower drag to lift ratio that translates to an improvement of a factor of ten in the rotational decay rate. The lower drag results from the lower dissipation of melt-processed YB...  
WO/1992/020934
A spherical hydrostatic bearing (2) having a ball (6) mounted in a split socket (4) for substantially friction free movement relative thereto and a linear hydrostatic bearing (142, 148) extending through the ball and having a longitudina...  
WO/1992/021175
Disclosed is a superconductor-magnet system having high thrust and stability and a method for increasing the thrust and stability of such a system. The superconductor-magnet system comprises a first magnet (M1), a second magnet (M2) and ...  
WO/1992/021176
A device for accurately controlling the current application to an inductance coil without any time lag. Connected to the terminal of an inductance coil (1) on the negative electrode side of a power supply is a semiconductor switching dev...  
WO/1992/018783
A hydrodynamic thrust, journal or combined radial and thrust bearing. The bearing includes a bearing pad structure that may change shape and move in any direction (six degrees of freedom) to optimize formation of a converging wedge for h...  
WO/1992/016761
A superconductive bearing device for supporting rotatably a shaft (rotor) (2) rotating at a high speed, under a non-contact state. A superconductive bearing (4) for supporting the shaft (2) under a non-contact state to a housing (1) incl...  
WO/1992/016762
A superconductive bearing device includes a ring-like permanent magnet portion (2) disposed concentrically on a vertical axial rotor (1), and a superconductor (8) disposed below the permanent magnet portion (2) in such a manner as to fac...  
WO/1992/015795
The invention concerns a magnetic-bearing cell (1) of rotationally symmetrical construction which includes a rotor (2) with two permanent ring magnets (5, 6) and a stator (3) with a damping disc (27) projecting into the gap (26) between ...  
WO/1992/014271
A superconducting composite is made of a Type II superconductor powder dispersed in an acrylic thermoplastic matrix in a ratio between 1:1 and 3:1 by volume. The superconducting composite is particularly useful in magnetic journal and th...  
WO/1992/011459
A floating, self-centering impeller (12) for a turbine pump assembly (10) has a plurality of "D-shaped" recesses (49) arranged in one or more annular rows on its side surfaces (44, 44a) to induce pressurized film between its side surface...  
WO/1992/010871
A magnetic bearing having a rotatable member (100) and a stationary member (106) on one of which is mounted a superconductor (104) while on the other is mounted a set of permanent magnets (108, 109, 110, 111) or electromagnets arranged a...  
WO/1992/005874
A bearing system in a refiner for making pulp, where the raw material is refined in a refining gap between at least one pair of refining members (22, 24) rotating relative to one another, where at least one of said refining members (24) ...  
WO/1992/003667
A bearing (70) and a shaft (5) and bearing combination for replacing conventional rolling element bearing, washer and lock ring assemblies. The shaft includes a radially outward extending runner (5R), preferably conically tapered. The be...  
WO/1992/002736
A hydrodynamic thrust, journal or combined radial and thrust bearing which may be mounted within a sealed housing assembly (1) which can, for example, be used to replace rolling element bearings. The bearing can be designed for mounting ...  
WO/1992/001097
A shaftless open-end spinning rotor, designed as a rotor of an axial field motor, and a stator have plane, parallel bearing surfaces for a combined magnetic/gas bearing. Magnets which guide and drive the spinning rotor are incorporated i...  
WO/1992/001096
A shaftless open-end spinning rotor, designed as the armature an axial field motor, and a stator have plane, parallel bearing surfaces for a combined magnetic/gas bearing. To ensure smooth running in critical operating conditions because...  
WO/1992/001167
Pivot bearing arrangement comprising a rotary shaft (6), a bearing housing (2), at least one pivot bearing and at least one cylinder/piston unit fitted between the shaft and the bearing housing and connected thereto. Each cylinder/piston...  
WO/1991/019112
A hydrodynamic bearing which includes a carrier (10) and a plurality of bearing pads (20) circumferentially spaced about the carrier. The pads may have a modular construction whereby pad portions are releasably secured to support portion...  
WO/1991/018217
A radial sliding-contact bearing for rotary rolls has a cylindric fixed inner portion (2), a sleeve (4) rotatable thereon, and a gap (6) between the sleeve and the inner portion intended for a water film which in operation forms a rotary...  
WO/1991/017366
A hydrodynamic thrust, journal or combined radial and thrust bearing and methods of manufacturing the same. The bearing includes a continuous bearing surface (8) and support structure which supports the surface such that the surface may ...  
WO/1991/017367
A hydrodynamic thrust, journal or combined radial and thrust bearing which may be mounted within a sealed housing assembly (10) which can, for example, be used to replace rolling element bearings. The bearing can be designed for mounting...  
WO/1991/004120
The machine includes a fixed support structure (2) with a hydrostatic unit for supporting a spindle (4) carrying a shaving blade (6). The hydrostatic support unit includes a first radial hydrostatic bearing (8) arranged at one end (10) o...  
WO/1991/002174
This invention relates to an axial bearing system intended for a radially mounted shaft (1) and has two hydrostatic axial bearings (4, 5) capable of axial movement relative to a surrounding bearing housing (3). The bearing system compris...  
WO/1990/015032
The invention relates to a spinning wheel unit in a device for the fibration of mineral melt by means of centrifugal forces. The spinning wheel unit comprises a spinning wheel shaft (1) with associated spinning wheel (2), a drive motor (...  
WO/1990/015263
A roller (100) for compressing webs of material (30) comprises a rotating hollow roller (1) traversed lengthwise by a stationary crosshead (3). Hydraulic loading devices in the form of sealing members (14) act on the inner circumference ...  
WO/1990/014525
A magnetic bearing structure is provided for supporting a rotatable member in suspended position relative to a stationary member (10) including axially spaced apart rings (22) associated with the stationary member (10), which hold a plur...  
WO/1990/009531
A gas bearing system (31) for maintaining high static stiffness while damping high and low frequency vibrations. The system (31) includes a bearing shoe (28) having a primary reservoir (30) which is supplied with gas through a primary re...  
WO/1990/004101
This invention relates to a variable capacitance, oblique spindle type hydraulic machine which supports the reaction of oil pressure acting on a cylinder block (8) by a radial static pressure bearing (23) or by a thrust static pressure b...  
WO/1990/003684
An electric machine (10) that includes a superconductor bearing (12) to position and levitate a magnetic rotor (18). The machine (10) also includes an armature circuit (26, 28) that is electro-magnetically coupled to the rotor (18), and ...  
WO/1989/012178
Bearing for radially and axially holding a rotor (10) with large radial dimensions on a stator (1), the rotor (10) being stabilized around its tilting axes (X, Y). To determine the tilting angle, the tilting axes (X, Y) are each provided...  
WO/1989/003488
In a precision machine, such as a coordinate measuring machine or a machine tool in which a carriage (14) rides along a rail (12), a gas bearing (10) for applying a constant preload force to a bearing shoe (46) over a range of relative m...  
WO/1988/009443
A hydrodynamic bearing and methods of manufacturing the same. The bearing includes a bearing pad structure that may change shape and move in any direction (six degrees of freedom) to form a converging wedge for hydrodynamic operation, an...  
WO/1988/008525
A hydrostatic journal bearing for a vibration test apparatus. The apparatus comprises a pillow block housing (28) which is operatively coupled to a slip plate (10) mounting the workpiece (12) by an oil film on the housing surface (58), w...  
WO/1988/003611
In a hydrostatic thrust bearing system intended for an axle or shaft (1) provided with a pressure plate (1a) and also incorporating separate radial journals there is used a ring chamber bearing (2; 3) on each side of the pressure plate. ...  
WO/1988/003085
The extruder, designed in particular for extruding food stuffs, has a high speed endless screw (18), which is supported in its housing in an axial direction by means of an axial support composed of pistons (34) arranged in a housing plat...  
WO/1988/002073
The device which enables suppression of the swinging motion of the rotor in an electromagnetic bearing controller is provided with a selection pick-up means in a servo circuit which, in response to X-directional displacement signal and Y...  
WO/1987/007690
A hydrostatic bearing (28) is provided between two relatively movable members (11, 12). Opposing sensing and bearing pads (29, 18) extend into either member and face the other member. These pads communicate with one another. An inlet ori...  
WO/1986/005848
A hydrodynamic slide bearing unit has a first race surface (3) in a housing and a second race surface (1) on a shaft sleeve. Between said surfaces there is at least one lubricant load-bearing pressure zone (9). The pressure (p) in the di...  

Matches 651 - 700 out of 5,142