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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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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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JP7460583B2 |
A machining machine comprises a first support disk, a first working disk coupled to the first support disk, and a counter bearing element positioned to define a working gap between the first working disk and the counter bearing element. ...
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JP7456209B2 |
To provide a machine tool with a static pressure fluid support device that suppresses vibration of a movable body in two axial directions by adjusting the flow rate of a fluid supplied to a static pressure pocket according to a disturban...
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JP7452181B2 |
To provide a floating unit capable of easily controlling a return force for returning a second member to a reference position relative to a first member.A floating unit 100 includes: a first member 1 having a first opposite surface; a se...
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JP7447546B2 |
To provide a magnetic bearing device capable of improving vibration reduction.A magnetic bearing device comprises: a five-axis control type magnetic bearing that magnetically levitates and supports a rotor that is rotationally driven by ...
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JP2024029449A |
An object of the present invention is to provide a scribing head and a scribing device that can stabilize the load applied to a workpiece during scribing. [Solution] A scribe head 10 includes a base member 110, a support member 210 to wh...
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JP2024027490A |
The present invention provides a dustproof seal structure that prevents dust and foreign matter from entering the bearing clearance of an air bearing and maintains the rotational performance of a rotary table over a long period of time. ...
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JP2024508058A |
The present invention discloses an internally supported air suspension static balancing device and method for high-precision rotating ring-shaped components, and statically balances rotating ring-shaped components with different widths e...
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JP7437082B1 |
An object of the present invention is to provide an air floating guide rail device whose manufacturing procedure is simplified and manufacturing costs can be expected to be reduced. An air floating guide rail device includes a guide rail...
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JP2024507621A |
Rotor assembly 1100, compressor 1000 and air conditioner. The rotor assembly 1100 includes a first rotor 200 including a first working portion 210 and a second working portion 220 coaxially disposed, the first working portion 210 and the...
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JP7432154B2 |
To provide a support for a semiconductor FPD manufacturing device that can improve throughput.A support for a semiconductor FPD manufacturing device includes: a cylindrical body; and a reinforcement member provided inside the cylindrical...
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JP7429995B2 |
An improved passive magnetic bearing (PMB) for rotating machineries and rotating machineries integrating the bearing are configured to counteract the three states dimensional forces applied on them when put in an operating environment ha...
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JP2024017670A |
An object of the present invention is to provide a bearing device that has excellent corrosion resistance against fluorine gas and is also excellent in dimensional accuracy and durability. A bearing device for use in a fluorine gas envir...
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JP2024014058A |
An object of the present invention is to prevent unnecessary heat generation and vibration from occurring in a vacuum pump even during acceleration and deceleration of a rotor. A vacuum pump 1 includes a rotor 4, a magnetic bearing 41D, ...
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JP7425998B2 |
To provide a support for a semiconductor/FPD manufacturing device which can achieve improvement of rigidity and weight reduction.A support for a semiconductor/FPD manufacturing device includes: first to fourth plate parts; and main ribs ...
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JP7422730B2 |
This pump device (10A) is provided with a housing (26) having an impeller (14) and a bearing unit (54). The bearing unit (54) is provided with a pin part (58) which protrudes from the housing (26). The impeller (14) has a hollow part (72...
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JP7422729B2 |
A pump device (10A) is provided with an impeller (14) and a housing (26). The housing (26) includes a fixed-side repulsion magnet (44) arranged in such a way as to encircle an internal space (32) inside an outer circumferential wall (40)...
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JP2024503106A |
A magnetic bearing (1, 1') of a rotating machine (100) equipped with a rotor (7) includes at least one pair of coils (5, 5') to reliably position the rotor (7) in a predetermined direction. , a pair of first coil (5) and second coil (5')...
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JP7417803B2 |
The present disclosure provides a split-type swing angle adjustable aerostatic bearing device for rotor static balance and an air flotation support device for static balance of rotating ring-shaped parts, the split-type swing angle adjus...
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JP7416527B1 |
[Problem] To provide a static pressure composite rotary table and a method for protecting the static pressure composite rotary table, which improves the load capacity of the rotary table while realizing relatively stable non-contact rota...
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JP7412776B2 |
In this magnetic support device, a pair of fixed magnets are disposed such that magnetic pole surfaces of the same pole face each other, and a moving magnet is disposed between the pair of fixed magnets. The moving magnet has a magnetiza...
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