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WO/1992/002736A1 |
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 ...
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WO/1992/001096A1 |
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...
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WO/1992/001097A1 |
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...
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WO/1992/001167A1 |
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...
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WO/1991/019112A1 |
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...
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WO/1991/018217A1 |
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...
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WO/1991/017367A1 |
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...
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WO/1991/017366A1 |
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 ...
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WO/1991/004120A2 |
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...
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WO/1991/002174A1 |
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...
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WO/1990/015263A1 |
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 ...
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WO/1990/015032A1 |
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 (...
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WO/1990/014525A1 |
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...
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WO/1990/009531A1 |
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...
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WO/1990/004101A1 |
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...
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WO/1990/003684A1 |
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 ...
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WO/1989/012178A1 |
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...
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WO/1989/003488A1 |
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...
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WO/1988/009443A1 |
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...
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WO/1988/008525A1 |
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...
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WO/1988/003611A1 |
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. ...
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WO/1988/003085A1 |
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...
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WO/1988/002073A1 |
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...
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WO/1987/007690A1 |
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...
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WO/1987/000360A1 |
Rotary machine provided with a rotor having an armature of an electric radial field machine of which the design enables to absorb the radial bearing forces exerted on the rotor, and armature of an axial field machine of which the design ...
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WO/1986/005848A1 |
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...
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WO/1986/001862A1 |
A controlled radial magnetic bearing device has control circuits (7X, 7Y) which control the magnetic force of electromagnets (2) that magnetically support a rotary shaft (1), responsive to outputs of position sensors (5X, 5Y) that detect...
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WO/1986/001434A1 |
Combined hydrostatic/hydrodynamic bearing system for a grinding apparatus in which the material is ground in a grinding space defined between a pair of relatively rotating grinding members and in which at least one of the grinding member...
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WO/1986/001268A1 |
Whirling and like vibrations of a high-speed flexible rotor (1) in a plane at right angles to its nominal axis of rotation are dampened by the reaction against the rotor surface of an array of fluid jets directed tangentially, and in a s...
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WO/1985/005417A1 |
A controlled radial magnetic bearing device, which consists of a revolution number detector (14) for detecting the rotational speed of a rotary shaft (1) with respect to X-axis and Y-axis control circuits 7X, 7Y, which are adapted to con...
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WO/1984/002755A1 |
This invention pertains to the technical field of vibratory pneumatodynamic bearings. The technical problem is to reduce bearing weight while not increasing pitch and yaw. This is accomplished by employing a transducer (41) including an ...
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WO/1984/001802A1 |
The magnetic bearing which is rapidly formed comprises a radially passive storage and an axially active regulation. By using only four sensor devices and three regulating amplifiers, a magnetic bearing is obtained which enables, in addit...
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WO/1984/000198A1 |
The magnetic bearing is comprised of two opposite parts arranged along the axis of the rotor. Those two parts allow to adjust the position of the rotor while taking into account the lateral deviations of the axis with respect to a refere...
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WO/1983/001482A1 |
Energy converter, comprising a boiler, a turbine (11), a condenser, a feed pump (16) and a generator (17) and, if required, a recuperator and a pre-feeding pump. The thermal energy to be supplied to the boiler has been arranged to mainta...
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WO/1982/003666A1 |
A method and a means for the sealing of a bearing space (29; 33) formed in hydrostatic or aerostatical bearings and adapted to receive a fluid. By means of the invention it is made possible to provide a resulting force operating in a det...
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WO/1982/002235A1 |
A graded planar seal is provided between opposing planar surfaces (62, 64) for isolating an air bearing in a vacuum environment (16). The air bearing (22, 24, 26, 62, 64) supports a structure (20) such as a semiconductor mask or wafer an...
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WO/1981/001449A1 |
Hydrostatic bearing of which the journal of the shaft (1) affects the shape of a sleeve (2). The bearing comprises a first and a second sets of chambers (5 and 6) provided in the concentric bearings (3 and 4) respectively facing the inne...
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JP2024520265A |
The invention relates to a gas supply device (21) having a shaft (23) and a gas thermostat, the shaft (23) being rotatably journalled in a housing (22) by means of a gas bearing arrangement (18) which is thermostatted by the distributed ...
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JP2024070344A |
The present invention provides a spindle unit that can reduce air consumption. [Solution] A spindle unit (40) comprising a rotating spindle (43) with a processing tool (49) attached to its tip, a casing (41) having an inner surface facin...
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JP7487217B2 |
A flywheel system includes a fixture including a bottom support, a rotor characterized by a gravitational load and configured to rotate above the bottom support about a rotation axis, and a bottom magnetic levitation bearing. The bottom ...
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JP7486323B2 |
Provided are a harmonic elimination circuit that eliminates harmonics generated in a synchronous detection circuit without using a high-cost component to achieve low vibration and low noise, a position detection device, a magnetic bearin...
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JP7484688B2 |
A cooling structure for a bearing device (2) is provided with a shaft (70) and a radial bearing (120) that rotatably supports the shaft (70). The shaft (70) has an introduction path (71) that opens on the outer peripheral surface of the ...
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JP7481085B2 |
To solve a problem with vacuum inhomogeneity in a chamber of a vacuum device which may affect manufacturing accuracy, homogeneity and/or stability.A gas transfer device comprises: an inner cylinder which has a cylindrical section at leas...
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JP7480191B2 |
Plant and method for liquefying a flow of gas, comprising a cooling circuit which is provided with an upstream end which is intended to be connected to a source of pressurised gas to be liquified and a downstream end which is intended to...
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JP7479835B2 |
A conveyance apparatus includes a stator in which a plurality of coils is arranged along a first direction and a movable element to move along the plurality of coils. The stator includes a first magnet group including a plurality of firs...
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JP2024518534A |
A magnetic levitation device and a rotor position adjustment method are provided. In the axial direction (Z) of the stator (2), the permanent magnet stator body (20) of the stator (2) is connected to the first magnetic stator board (21) ...
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JP7475301B2 |
An electric motor system (101) includes a drive shaft (130) configured to rotationally drive a load (120); and a bearingless motor (170) and a radial magnetic bearing (180) arranged side by side in an axial direction of the drive shaft (...
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JP7469291B2 |
A magnetic bearing contactlessly supporting a rotor by magnetic force includes: a bearing rotor member made of a magnetic material disposed in the rotor; and a bearing stator member arranged around the bearing rotor member. The bearing s...
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JP2024515706A |
The present invention relates to a magnetic bearing device comprising a stator device having at least two stators and a rotor, the stator comprising a coil device having at least one coil forming part, a magnet and a magnetic flux conduc...
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JP7460923B2 |
A rotary fluid machine comprises a casing (10), a partition member that partitions the space inside the casing (10) into a first space (S1) and a second space (S2), and a rotating shaft (30) provided inside the casing (10) and rotatably ...
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