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Matches 851 - 900 out of 10,762

Document Document Title
JP2014152829A
To provide a magnetic bearing device capable of improving S/N ratio of displacement information in magnetic bearing control.A magnetic bearing device comprises: a sinusoidal discrete value generation part 313 which generates a sinusoidal...  
JP2014151429A
To provide a seizure prevention device for a sliding surface which prevents seizure of the sliding surface of a large-sized vertical lathe.The seizure prevention device for the sliding surface includes: recovery grooves 13-1, 13-2 which ...  
JP2014149056A
To provide a static pressure gas bearing for an air spindle capable of being miniaturized while supplying sufficient floating force to a rotor.A static pressure gas bearing for an air spindle includes a rotor rotatable around a rotation ...  
JP2014149080A
To provide a system having backup bearings which are able to withstand an unassisted full speed spin down.A high speed energy storage flywheel comprises a rotor (1), which is located in a vacuum chamber (3) provided in a stator housing (...  
JP2014520398A  
JP2014146795A
To provide a method of coating and/or application onto magnetic rings of a rotor magnetic bearing without influencing rotation balance in a rotor used for a vacuum pump.In the rotor used for the vacuum pump, magnetic rings 4 of magnetic ...  
JP5569375B2  
JP5565807B2  
JP5562353B2  
JP5563112B2  
JP2014137116A
To provide a magnetic bearing device that can obtain magnetic levitation information with almost no influence of spike noise.A magnetic bearing device comprises: a plurality of excitation amplifiers for supplying an electromagnet current...  
JP2014517198A  
JP5548986B2  
JP5548768B2  
JP5541398B1  
JP5541464B2  
JP5546306B2  
JP2014126174A
To increase effective spaces in a core while suppressing an increase in a magnetic resistance of the core.An electromagnet (11) includes: a base portion (101) formed into an annular shape; and an inner cylindrical portion (102) and an ou...  
JP2014119083A
To determine whether abnormality occurs to an auxiliary bearing.A magnetic bearing provides non-contact support for a rotational shaft 400 by an attracting force of a plurality of electromagnets. The rotational shaft 400 is inserted into...  
JP2014114869A
To provide a magnetic bearing device that reliably reduces a vibration in a specific part of a device element within a range of influence of vibration caused by the magnetic bearing device.A magnetic bearing device 20 supporting a rotati...  
JP2014114875A
To provide a static pressure fluid guide device capable of reducing power consumption at the time of linear motion of a movable body to a support body, and capable of enhancing attenuation performance to vibration.In a static pressure fl...  
JP5532175B1  
JP2014111951A
To provide a spindle device that enhances the rigidity of static pressure bearings.A spindle device 1 comprises: a housing 2; a motor 4 provided on the anti-load side of the housing 2; a main shaft 3 including a disk 10 and rotated by th...  
JP2014514519A  
JP5523438B2  
JP5522739B2  
JP5525348B2  
JP2014110653A
To provide an electromagnetic rotating device and a vacuum pump equipped with the same, that can be downsized and that can reduce cost by consuming a power at regeneration at an electromagnet coil of a magnetic bearing device.A motor vol...  
JP2014108503A
To provide a static pressure fluid guiding device which can keep high rigidity between guideways stably even if unevenness is caused in a processing accuracy and an assembling accuracy, and a machine tool using the static pressure fluid ...  
JP5517928B2  
JP5518196B2  
JP5521453B2  
JP2014104515A
To provide a thermal deformation prevention device which in simultaneous working of surface-rear surface of a thin disk-like workpiece, restrains thermal deformation of a static pressure pad for hydrostatically supporting both surface an...  
JP5509148B2  
JP5510429B2  
JP5509970B2  
JP5514837B2  
JP2014098424A
To increase a radial pinning force without causing upsizing of a device.A super conductive pump 10 comprises: a rotating body part 14 including a rotating shaft 38, a first magnet part 32 fixed to the rotating shaft 38, and a second magn...  
JP5504532B2  
JP2014095424A
To provide a magnetic pressure type hydrostatic pressure guide device capable of making the floating amount of a moving body uniform by appropriately setting installation positions of a sliding surface and magnetic attraction means and i...  
JP5495172B2  
JP5489776B2  
JP2014084825A
To shorten the lengths of rotating shafts in a two-shaft vacuum pump provided with magnetic bearings.A vacuum pump comprises: two rotating shafts that are arranged in parallel and synchronously rotate on two respective axes; and magnetic...  
JP2014074492A
To provide a magnetic bearing capable of reducing leakage magnetic flux between teeth.A predetermined teeth (24) is formed such that an interval (P1) with one side teeth (24) gotten lined up on both sides in the circumferential direction...  
JP2014070733A
To provide a fluid flow adjustor of a rotary type.A fluid flow adjustor of a rotary type for controlling flow of fluid includes a main body and a rotator. The main body includes an upper cover, a bearing and a lower cover. The upper cove...  
JP5470085B2  
JP2014062580A
To provide a static pressure gas bearing capable of performing highly precise guiding by increasing fastening rigidity.A static pressure gas bearing includes a mover, a guide part which has a surface opposite to the mover and contains an...  
JP5465249B2  
JP5464680B2  
JP2014059059A
To provide a rotary apparatus for a vacuum pump or a turbo molecular pump allowed to be continuously and surely operated without generating abrasion even at an extremely hight rotational frequency and allowing generation of only a slight...  

Matches 851 - 900 out of 10,762