| Document |
Document Title |
|
JP2012193017 |
To provide a magnetic levitation controller which can support an object of a large mass in a contactless state.The magnetic levitation controller includes: a support force generating permanent magnet 21 for generating magnetic flux which...
|
|
JP2012180937 |
To provide a static-pressure air bearing linear guide device which has a guide member capable of improving own-weight warpage even if the member is long in length and the size of a cross section becomes large, and can reduce manufacturin...
|
|
JP2012177385 |
To provide a hydrostatic water bearing linear guide device, with which pitching is extremely small during the movement of a table.This hydrostatic water bearing linear guide device 1 is configured so that a magnetic balancer 300 is attac...
|
|
JP2012177480 |
To provide a method of controlling the instability in fluid film bearings by using a magnetic bearing in combination with a fluid film bearing.The fluid film bearing 18 serves as the primary load carrying bearing and the magnetic bearing...
|
|
JP2012172756 |
To provide a magnetic bearing device capable of stabilizing a natural frequency of a bending vibration mode, and a rotary machine equipped with the magnetic bearing device.The magnetic bearing device includes: a thrust disk 27 which rota...
|
|
JP2012167721 |
To provide an air spindle unit suppressing air consumption and causing no galling phenomenon on the air spindle unit even when the pressure of supplied air is reduced.The air spindle unit 36 includes a spindle housing 38 defining a thrus...
|
|
JP2012167699 |
To reduce maximum electromagnetic force required for moving a driving shaft in the center-axis direction of a magnetic bearing when the magnetic bearing is started, while securing a clearance between the driving shaft and a cylindrical m...
|
|
JP2012163151 |
To provide a static pressure gas bearing linear guide device in which a movable body has a tubeless structure since a compressed air for floating the movable body is jetted from a guide rail.The guide device includes a guide rail 2 fixed...
|
|
JP2012159103 |
To provide a hydrostatic slider with improved position correction function of a movable body.The hydrostatic slider (1) includes a fixed body (2) and a movable body (3). The movable body (3) is capable of relatively moving along the fixe...
|
|
JP2012139030 |
To suppress the whirling of the motor shaft without requiring a significant burden in a motor controller having a plurality of units.Translation movement components αp, βp and rotational movement components αr, βr of shaft displaceme...
|
|
JP2012139029 |
To provide a motor controller in which the centrifugal-force reduction effect does not decrease even if control delay or current response delay occurs, and a large burden is not required for determining an appropriate shaft position comm...
|
|
JP2012132556 |
To provide a process of forming a good encapsulated magnet assembly of a magnetic bearing used in corrosive environments.The process includes welding a second portion 152 of a housing cover formed of a non-magnetic material to a first po...
|
|
JP2012127376 |
To provide a technology of introducing rotational power generated by a power source outside a vacuum chamber into the vacuum chamber without causing leakage, by using a non-contact type sealing mechanism.A cylindrical member 11 is provid...
|
|
JP2012127489 |
To enable magnetic levitation of a ferromagnet by using repulsion and attraction of an electromagnet.Two or more electromagnets 3 are circularly arranged with their poles facing the same direction. A position sensor 2 and magnetic force ...
|
|
JP2012127415 |
To achieve guide rail weight reduction, improvement of manufacturing efficiency, and cost reduction and to enable a load under a noncontact state to be supported stably and efficiently when a movable body is shifted and positioned along ...
|
|
JP2012122514 |
To provide a static pressure gas bearing linear guide device for enabling stable and efficient support of a load in no contact when positioning a movable body moved along a guide rail, while achieving the lighter weight, higher productio...
|
|
JP2012117613 |
To provide a static pressure gas bearing with high rotation accuracy that can be manufactured at a low cost.A porous body 2 rotatably supporting a rotator that rotates in an arrow direction via a gaseous film has a plurality of effective...
|
|
JP2012120337 |
To suppress positional fluctuation of a floating body which is caused by a steady external force and to obtain good followability even if a dynamic external force acts, related to a method of converging an excitation current to an electr...
|
|
JP2012117659 |
To provide a hydrostatic journal bearing of low manufacturing cost and having a hydraulic self-compensation structure.The self-compensating hydrostatic journal bearing includes: a base to mount a shaft, the base having a hole pierced to ...
|
|
JP2012112519 |
To provide a static fluid pressure bearing unit which is formed with a fluid film having a thickness necessary for maintaining bearing stiffness against disturbance load applied to the hydrostatic bearing to acquire stable bearing stiffn...
|
|
JP2012107744 |
To provide a static pressure fluid bearing device by which a fluid film having a thickness necessary for maintaining bearing rigidity can be formed by suppressing the lowering of the pressure of a static pressure pocket with respect to a...
|
|
JP2012097793 |
To provide a roll device enabling reduction in cost, air consumption, the number of parts, and assembling man-hours, and elimination of the possibility of lowering of load capacity in a radial direction due to uneven attractive force by ...
|
|
JP2012097891 |
To provide a permanent magnet magnetic bearing that can be provided with functions of a radial magnetic bearing and a thrust magnetic bearing, even with a simple configuration.The permanent magnet magnetic bearing has an inner magnet 10 ...
|
|
JP2012078315 |
To provide a Fermi chopper rotation control device improving a rotary speed and the precision of the rotary speed, and reducing a current spike noise.A Fermi chopper 1 for monochromating neutron beam generated at a pulsed neutron source ...
|
|
JP2012072886 |
To provide a diaphragm type variable aperture device in which a gap between a diaphragm and a valve seat can be set to a predetermined gap without installing a device such as a gap adjusting mechanism, and to provide a method for manufac...
|
|
JP2012072660 |
To reduce a rotational loss of a flywheel energy storage device, and to elongate a storage time and increase a storage amount of the energy of the flywheel energy storage device.In this flywheel energy storage device (1) which turnably s...
|
|
JP2012072853 |
To provide a cam follower capable of achieving low cost of a device and reduction of an air consumption amount.The cam follower 1 includes: a hollow rolling element 2; a shaft 4 inserted through a hollow part of the rolling element 2 wit...
|
|
JP2012057699 |
To improve rotational accuracy in nanometer order of a rotating body.A static pressure gas bearing has a thrust part 19 in which a rotating body 24 projects to a radial direction of a rotating shaft 20 in a flange shape. One face of the ...
|
|
JP2012060754 |
To provide a magnetic levitation type rotation introduction apparatus which adopts a magnetic levitation type needless to use a magnetic fluid seal, and which makes it possible to make a length in an axial direction as a device short as ...
|
|
JP2012037014 |
To provide a static pressure gas bearing spindle which is provided with a cooling structure which cools heat generated from a driving motor of the spindle, a spindle bearing portion or the like efficiently and keeps vacuum environment at...
|
|
JP2012028331 |
To provide an electric connection enabling to realize leak free electric coupling in an environment of exposure to corrosive gas or liquid.An electric connection portion includes: at least two conductors 10A and 10B for forming electric ...
|
|
JP2012017849 |
To solve the problem that great care is needed and in particular it is frequently needed to very precisely arrange various kinds constituting parts of a magnetic bearing to a structure when installing in the magnetic bearing.The annular ...
|
|
JP2012007719 |
To provide a magnetic levitation device having a displacement absorbing mechanism, in which a magnetic unit and a movable frame can be configured without increasing the size of the device when magnetic force is applied from different dir...
|
|
JP2012007708 |
To provide a superconductive magnetic bearing device in which the improvement of a cooling temperature is achieved by enlarging the rotor of the bearing device to reduce the load per unit area.The rotor corresponding to a superconductive...
|
|
JP2011247367 |
To provide a structure of gas piping suitable for a static pressure gas bearing linear guide device which is high in moving speed and wide in moving stroke.This static pressure gas bearing linear guide device includes: a linear guide act...
|
|
JP2011247837 |
To provide a vertical balance measuring apparatus capable of supporting the dead weight of a rotational shaft only by a thrust air bearing by increasing the thrust force of the thrust air bearing formed by pressurized air supplied from a...
|
|
JP2011247405 |
To provide a guiding device in which a fluid feed part, an exhaust groove or the like can be prepared with high positional accuracy, and a movable body can more stably be moved.The guiding device includes a fixed body with a first surfac...
|
|
JP2011247386 |
To make an air slide device lightweight while maintaining strength, by making a main part of a guide rail and/or a moving body of the air slide device by a carbon fiber reinforcing plastic (CFRP) composed of a carbon fiber prepreg lamina...
|
|
JP2011241971 |
To provide a throttle valve easy in setting a throttle characteristic in a simple configuration and inexpensively.The throttle valve 1 equipped in the middle of a fluid passage includes a valve body 2 formed with a piece-containing porti...
|
|
JP2011241955 |
To provide a roll bearing method capable of exhibiting excellent characteristics of a rolling bearing and a static pressure bearing, namely, capable of exhibiting excellent characteristics of the rolling bearing in a load and rigidity, a...
|
|
JP2011231760 |
To provide a magnetic levitation vacuum pump prevented from being reversely rotated during the start of rotation of a rotor without comprising a rotor rotating position detection function such as a Hall sensor.In this magnetic levitation...
|
|
JP2011220919 |
To provide a vertical type balance measuring device that, even if a rotation axis of a thrust air bearing is vertically moved from the balance position thereof due to the influence by disturbance, allows the rotation axis to return to th...
|
|
JP2011220291 |
To provide a method of effectively suppressing a dynamic thrust load that acts on a main shaft in a low flow region including the neighborhood of a cut-off point in a horizontal double suction pump configured to support a radial load by ...
|
|
JP2011214605 |
To prevent water from entering a spindle assembly mounted on various equipment.The spindle assembly is configured so that spindle housing 21 is disposed with water/air separator 25 between air supply port 230 and air bearing communicatio...
|
|
JP2011208724 |
To provide a static pressre journal bearing spindle having high rotating accuracy preventing transmission of the heat generated in a motor or the like to a rotating table on a side opposite to the motor through a spindle, preventing ther...
|
|
JP2011202555 |
To provide a vacuum pump preventing the unstable generation of a high-level signal and a low-level signal during operation of the pump.This vacuum pump includes: a sensor target provided integrally with a rotor; an inductance type rotary...
|
|
JP2011190837 |
To provide a vibration damping control mechanism capable of reducing or suppressing the swing or vibration of a superconducting magnetic bearing and magnetic levitation device by actively controlling the swing or the vibration.This vibra...
|
|
JP2011185368 |
To provide a magnetic bearing device which maintains desired magnetic bearing characteristics even if weight of a floating body to be supported is changed, in a structure provided with an electromagnet and a permanent magnet for sandwich...
|
|
JP2011185284 |
To reduce the running cost and energy consumption of a shape detecting device 1 having an air bearing structure 15.A plurality of jet holes 25 located in a load acting region FA includes a plurality of first inclined jet holes 25A inclin...
|
|
JP2011185437 |
To provide a parallel slider device by pneumatic linear guides, eliminating deterioration of reproducibility of parallelism due to mutual influence of mechanical rigidity of a connecting part of the slider and air bearing rigidity of an ...
|
