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Patent Searching and Data


Matches 651 - 700 out of 5,189

Document Document Title
WO/1996/002767
A damping arrangement (25) for damping axial vibrations in a shaft suspended (optionally) by a magnetic bearing has a radially extending thrust face (24) mounted on the shaft and separated by a small face gap (29) from a housing (30) and...  
WO/1996/001956
A back-up bearing arrangement (25) for a magnetic bearing (12, 13) includes a stationary dry running bearing material (30) and a rotatable collar (26) which runs in abutment therewith upon failure of the magnetic bearing. To avoid adhesi...  
WO/1995/035447
A turboexpander associated with a rotary compressor by means of a rotor shaft connecting the two. A bearing housing includes magnetic radial and thrust bearings which control the placement and dynamics of the shaft within the housing. A ...  
WO/1995/034763
A DC-biased axial magnetic bearing includes a rotating member (50) (or shaft) having a radially extending tab (or support) (52) located between a pair of teeth (62, 64) of a C-shaped control member (60). A permanent magnet (68) provides ...  
WO/1995/032542
An apparatus and method for reducing magnetic field inhomogeneities which produce rotational loss mechanisms in high temperature superconducting magnetic bearings. Magnetic field inhomogeneities are reduced by dividing high temperature s...  
WO/1995/032541
A high temperature superconductor material bearing system (38). This system (38) includes a rotor (50) having a ring permanent magnet (60), a plurality of permanent magnets (16, 20 and 70) for interacting to generate levitation forces fo...  
WO/1995/025906
A slide contacting surface (1A) of a sliding bearing (1) has ridges (1a) extending continuously and helically at a predetermined pitch p. The roughness h of the slide contacting surface (1A) including the ridges (1a) is set not more than...  
WO/1995/024569
A novel means for the design of the pockets of a hydrostatic spindle and the flow supply, collection, and pocket (15B) injection means to allow for very high speed rotation with a minimum of heat generation, and maximum load capacity; fu...  
WO/1995/023297
An automatic position-sensing active magnetic bearing comprises first and second opposing electromagnets arranged on either side of a ferromagnetic body (1) suspended without contact between said electromagnets. The bearing comprises ind...  
WO/1995/023298
A magnetic thrust bearing (110) comprises a magnet (112) mounted on a shaft (114) and a plurality of equi-angularly spaced superconductors (116) mounted on a static structure (118). Each superconductor (116) is mounted onto the static st...  
WO/1995/016499
The invention relates to a monitor for ejecting jets of water, foam or mist, comprising a pipe system attached to a foot support, which is rotatable on the support. The foot support is characterized by a lower disc-shaped part (10), an u...  
WO/1995/016863
A hydrodynamic thrust bearing and method for manufacturing the same. The bearing includes spaced planar pads (132) supported on radially-extended beams (134). The beams are connected to a base ring (130) that is preferably circular. The ...  
WO/1995/016240
A multidimensional interconnection and routing apparatus for a parallel processing computer connects together processing elements in a three-dimensional structure. The interconnection and routing apparatus includes a plurality of process...  
WO/1995/013480
A device for mounting and driving a tubular spindle (10), including first and second axial-flux radial active magnetic bearings (60, 70) arranged at first and second ends of the tube (10) respectively. Each of the radial active magnetic ...  
WO/1995/008067
Radial and thrust bearing system with two hydrostatic radial and thrust bearings (3, 4) axially movable relative to a surrounding bearing housing (2). Each radial and thrust bearing comprise a flange (5, 6), which is connected to the axl...  
WO/1995/007212
Proposed is a hatch-cover assembly for the deck (1) of a cargot ship, in which part of the edge of the hatch cover (2) overlaps the coaming (1). The support for the hatch cover (2) on the coaming consists of several pillars (3), spaced r...  
WO/1995/006208
A superconductor magnetic bearing includes a shaft (10) that is subject to a load (L) and rotatable around an axis of rotation, a magnet (12) mounted to the shaft, and a stator (14) in proximity to the shaft. The stator (14) has a superc...  
WO/1995/005547
A one piece hydrodynamic bearing which can include hydrostatic support features (30p). The pads (31) are supported on a single thin web (37) for pivoting on a support structure which can include one or more beam-like members (302). The b...  
WO/1995/003647
An alternate current electromagnet (8, 10) is used in a magnetic bearing (1) in which one or more electrically conducting loops (6) travel on a prescribed path through a magnetic field produced by the electromagnet (8, 10). An electrical...  
WO/1995/001590
The object of the invention is to create an anti-toppling arrangement for drives with gas bearings which excludes any contact between both gas bearing parts caused by toppling without increasing the inner and outer stiffness of the beari...  
WO/1994/029862
A bearing assembly for an actuator arm (22) of a hard disk drive unit. The assembly includes a cylindrical bearing block (26) which extends from a baseplate. The bearing block has a V-shaped slot with a first apex at the center of the bl...  
WO/1994/016233
A combination bearing construction capable of withstanding high-speed rotation and having a high accuracy of rotation is provided. The combination bearing construction comprises a first bearing means, a second bearing means, a third bear...  
WO/1994/013969
The invention comprises a machine having air bearings (60) and a control apparatus (62) for turning off one or more of the air bearings when the machine has been idle for a specified time period.  
WO/1994/008149
A hydrodynamic thrust, journal or combined radial and thrust bearing and methods of manufacturing the same. The bearing includes a bearing pad structure (132) that may change shape and move in any direction (six degrees of freedom) to op...  
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 ...  

Matches 651 - 700 out of 5,189