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Patent Searching and Data


Matches 701 - 750 out of 5,171

Document Document Title
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...  
WO/1986/001862
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...  
WO/1986/001434
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...  
WO/1986/001268
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...  
WO/1985/005417
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...  
WO/1984/002755
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 ...  
WO/1984/001802
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...  
WO/1984/000198
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...  
WO/1983/001482
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...  
WO/1982/003666
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...  
WO/1982/002235
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...  
WO/1981/001449
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...  
JP2014051995
To provide a three-axis active control type magnetic bearing that is easily produced and has improved mechanical strength.A three-axis active control type magnetic bearing comprises a radial winding 1, a radial control stator 2, a perman...  
JP2014047827
To provide a static pressure gas bearing spindle device capable of suppressing vibrations of a rotation member.A static pressure gas bearing spindle device 30 includes a rotation member 1, a thrust bearing sleeve part 5 and a journal bea...  
JP2014043928
To provide a forward/backward slight movement rotary bearing having a simple structure, reduced in noise, free from a lubricant, and having high durability.A forward/backward slight movement rotary bearing 100 includes a disc-shaped moun...  
JP2014043918
To provide a static pressure gas radial bearing capable of uniformly discharging compressed air from the whole face of a bearing face, and achieving high restriction effect.A static pressure gas radial bearing 1A includes a cylindrical f...  
JP2014043834
To provide a centrifugal compressor which includes auxiliary bearings for supporting a shaft when the shaft journaled by a magnetic bearing is displaced from a reference position, and in which the axial movement of the shaft is reliably ...  
JP2014045548
To provide a magnetic bearing vacuum pump in which open circuit of a sensor can be detected even if both of a pair of displacement sensors are open-circuited.In a magnetic bearing vacuum pump in which the difference value of sensor signa...  
JP2014037821
To provide a vertical axis windmill allowing easy centering, not affected by a wind direction, reducing friction owing to magnetic levitation, and generating less noise.Each of permanent magnets (2) having the same pole is mounted on a f...  
JP2014035054
To provide a compact static pressure gas bearing unit which further stably supports a rotator rotating at high speed without contacting, by a simple structure.Two shaft holders 3A and 3B fix an air shaft unit 1 for supporting a pulley 2 ...  
JP2014031865
To provide an air bearing device capable of enhancing thickness accuracy and flatness accuracy, and to provide an application apparatus including the air bearing device.The air bearing device includes a pad part 114 allowed to be floated...  
JP2014033543
To provide an axial type magnetic levitation motor which can maintain a rotation center axis of a rotor in the axial type magnetic levitation motor in a prescribed position.The axial type magnetic levitation motor includes: a rotor rotat...  
JP2014025490
To reduce microvibration transmitted to a mounted object when a slider travels at high speed and at high acceleration/deceleration in an actuator including a slider performing reciprocating movement along a guide rail by a belt drive.A s...  
JP2014005935
To provide a mechanism for adjusting rotating directions and speeds of an inner ring and an outer ring of a bearing.The mechanism for adjusting the rotating directions and speeds of the inner ring and the outer ring of the beating compri...  
JP2014005833
To provide an electric compressor made by taking into account high-level oscillation generated in vehicles.An electric centrifugal compressor for a heat ventilation air conditioning system for vehicles comprises: a motor portion (20); an...  
JP2014003762
To provide a brake mechanism capable of more safely braking rotation of a rotor in which load in a radial direction is supported by a radial bearing and a bearing device having the brake mechanism.A static pressure gas bearing device 1A ...  
JP2013249930
To provide a static pressure stage device that can suppress variation of a bearing gap associated with variation of the supply pressure of a pressurizing fluid.A static pressure stage device 100 has: fluid supply pipes 31a, 31b connected...  
JP2013249915
To provide a fluid bearing device capable of suppressing vibrations even during the high-speed rotation.A biasing part 3 that biases a movable surface part 22A in such a direction as to approach a bearing surface 121a faced by the movabl...  
JP2013248676
To provide a throttle for an oil passage preventing turbulence of oil as far as possible, an oil passage throttling device using the throttle for the oil passage, and a movement guide device using the oil passage throttling device.A movi...  
JP2013249852
To enable elimination of an initial position variation of a levitating body caused by friction or the like, and to suppress position variations of the levitating body caused by a steady external force, by using not only substantial zero ...  
JP2013245607
To provide a spindle device and an electrostatic coating device that convert the motion energy of gas into a rotational drive force with high efficiency, and are not easily deformed or damaged even if rotated at a high speed.A spindle de...  
JP2013245731
To provide a workpiece lifting device which controls the amount of a workpiece to be lifted with high accuracy, while reducing mutual influences of an atmospheric pressure near above an air supply port and an atmospheric pressure near ab...  
JP2013245048
To provide an aeration unit for workpiece flotation device reducing a load in maintenance and coping with both cases of air supply and air exhaust by switching air supply/air exhaust of one gas throttle mechanism.In an aeration unit 120 ...  
JP2013245732
To provide a workpiece levitation device, in which a shape of a porous film is stabilized during air supply and stop, and which responds to both air supply and discharge by switching between the air supply and discharge in one gas thrott...  
JP2013236472
To provide a rotary electric machine which is easily manufactured and inhibits vibrations and noise.A stator 51 is housed in a case 40. A rotation shaft 52 is formed by a magnetic material and is rotatably supported by the case 40. A rot...  
JP2013231449
To provide a fluid bearing device capable of instantly reducing power consumption when an acting external force decreases.In an axial direction of a rotation shaft 6, at least two regular fluid bearings 3, 5 and at least one auxiliary fl...  

Matches 701 - 750 out of 5,171