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JP2023098971A |
To provide a bearing device which combines some of the advantages of hydrostatic and hydrodynamic bearing devices.The invention relates to a bearing device 10 comprising: a first surface and a second surface which are moveable relative t...
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JP2023529739A |
The bearing and flywheel system includes a first bearing portion having an opening having a first dimension therethrough and a central longitudinal axis, a second bearing portion having a second dimension less than the first dimension, a...
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JP7303503B2 |
To provide a magnetically levitated pump capable of smoothly rotating a rotating body while stably levitating the same using an alternate-current magnetic field.A magnetically levitated pump comprises an electromagnetic bearing unit whic...
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JP2023093095A |
To provide a guide device which can enhance the traveling accuracy of a movable part and can promote the weight reduction of the device as a whole.A guide device comprises a base, first and second guide members arranged on the base, a mo...
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JP7291971B2 |
The present disclosure relates to a stiffness enhancing mechanism (23) for a magnetic suspension bearing (20), a magnetic suspension bearing (20) including the stiffness enhancing mechanism (23), and a blood pump. The magnetic suspension...
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JP2023081875A |
To provide a vacuum pump having a high shaft supporting ability.An axial magnetic bearing 110 has a magnetic path separation structure. The axial magnetic bearing 110 has yokes 212A, 212B, coil parts 213A, 213B for generating magnetism i...
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JP2023081698A |
To provide a magnetic bearing capable of obtaining sufficient repulsive force as a magnetic bearing.A magnetic bearing has a concave receiving surface on a facing surface of one bearing member and a convex receiving surface on a facing s...
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JP2023081877A |
To provide a vacuum pump having a high shaft supporting ability.An axial magnetic bearing 110 has a magnetic path separation structure. A control device for controlling the axial magnetic bearing 110 includes a current storage part for s...
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JP2023081876A |
To provide a vacuum pump having a high shaft supporting ability.An axial magnetic bearing 110 has a magnetic path separation structure. The axial magnetic bearing 110 has yokes 212A, 212B, coil parts 213A, 213B for generating magnetism i...
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JP7290590B2 |
To provide a magnetic bearing device stable rotating while reducing a heating value, and a low temperature liquefied gas feed pump.A magnetic bearing device 300 includes a first magnet M1 and a second magnet M2, displacement sensors 121,...
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JP2023077460A |
To provide a thrust magnetic bearing device which can stably support a rotating shaft by complementing thrust generated in a direction of the rotating shaft by rotation.A thrust magnetic bearing device supporting a rotation electric mach...
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JP7285648B2 |
A conveyor apparatus (100) is movable along a rail (200). The conveyor apparatus (100) includes a sliding member (10), a gas ejection section (120), and a movement restriction section (130). The sliding member (110) slides along the rail...
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JP7285620B2 |
A support electric wire (60) is constituted by one or more conductive wires (61), is disposed so as to pass through a plurality of slots (53), and forms a winding portion that generates an electromagnetic force for supporting the rotor (...
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JP2023070301A |
To provide a processing device configured to enable an inclined attitude of a spindle to change, which enables the inclined attitude of the spindle to be changed with high response and with high accuracy.A control device 3 of a processin...
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JP7272955B2 |
A linear electrical machine (LEM) comprising a stator mounted in a housing, the housing and stator defining a working cylinder, a central core within the working cylinder and defining a cylindrical stator bore cavity therebetween, a holl...
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JP7269693B2 |
To provide a galvano motor capable of adopting air bearings in both directions of a radial direction and a thrust direction while suppressing cost.In a galvano motor, a cylindrical member 11 made of a material different from that of an a...
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JP7267642B2 |
The present invention relates to a method for constructing an active magnetic bearing controller based on a look-up table method, which includes the following steps: building finite element models of an active magnetic bearing to obtain ...
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JP2023058353A |
To provide an inexpensive levitation device having a structure for floating by properly closing/opening a discharge port for injecting compressed air toward a lower horizontal surface, by a valve member.A levitation device supported on a...
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JP7259675B2 |
To provide a magnetic levitation type vacuum pump that can be reduced in cost while restraining a decrease in bearing controllability.A bearing control unit 31 comprises a plurality of CPU cores (CPU 1 and CPU 2), and the CPU 1 and the C...
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JP2023047636A |
To provide a manufacturing method of a static pressure gas journal porous bearing which can fixedly position a porous member relative to a housing member, seal a gap between the housing member and the porous member, and secure a supply a...
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JP2023046340A |
To provide a static pressure support device which can easily suppress the vibration of a moving member by controlling an active variable throttle without using a displacement sensor.A static pressure support device 5 comprises: an active...
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JP2023045750A |
To provide a galvano motor with excellent cooling performance.A galvano motor (10) includes a rotary shaft (13) to which a galvano mirror is attached, a cylindrical-shaped housing (11) that accommodates the rotary shaft (13), a coil (15)...
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JP2023043214A |
To provide a magnetic floating system that controls currents of many electromagnet coils with a circuit consisting of a small number of components.A magnetic floating system comprises a DC source DC, a three-phase bridge circuit, electro...
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JP7247832B2 |
This rotary shaft member supporting device comprises: a hydrostatic fluid bearing that has a concave pocket and a land on a bearing surface facing an outer peripheral surface of a rotary shaft member; and a fluid supply device that suppl...
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JP2023041577A |
To provide a structure capable of supporting a lower end of a vertical rotational shaft with a radial bearing instead of a thrust bearing without providing a propeller.Since a high-rigidity ball 10 is attached to a lower end 3b of a vert...
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JP2023040862A |
To provide a control mechanism which instantaneously corrects misalignment of a supporting position of a movable body with a simple structure in an air bearing capable of supporting the movable body with respect to a support face of a su...
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JP7240892B2 |
To perform adjustment for an optimal preload in accordance with shaft vibration characteristics.A bearing device comprises: a pad 4 provided around a rotational shaft 2, and having bearing surfaces 4a facing each other along an outer per...
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JP2023035884A |
To provide a magnetic bearing device which is capable of recovering from an abnormal state of oscillation etc., with high operation efficiency and safely in a levitation system using a magnetic bearing, reduces erroneous detection of abn...
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JP7237537B2 |
To realize a rotary machine capable of stably supporting a rotator while suppressing a power consumption.A rotary machine 100 has a first container 1 whose inside is kept in an airtight state, a second container 2 accommodated in the fir...
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JP7234808B2 |
To provide a machine tool including a static pressure fluid supporting device that suppresses vibration of a moving body by adjusting a flow rate of a fluid supplied to a static pressure pocket according to disturbance load to be added t...
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JP2023030668A |
To measure a displacement amount of a spindle during processing and execute the processing work with high accuracy using a measurement result.An air spindle device 100 comprises: a housing 50; a spindle 10 which is provided in the housin...
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JP7231148B2 |
To provide a spindle device which rotatably supports a spindle with magnetic bearings and a rolling bearing and controls the magnetic bearings with electromagnetic force to inhibit chattering vibration from occurring during cutting work ...
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JP7224709B2 |
Provided are a bearing detection method, a bearing detection system, a method for starting a gas turbine and a system for starting a gas turbine. The bearing detection method includes: starting a rotor to enable the rotor to rotate at a ...
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JP7224206B2 |
To provide a pump that can improve load capability of a thrust bearing part.A pump comprises an inner element 16 comprising a first thrust collar 31 and a second thrust collar 34 provided on a motor shaft 26 located above a magnetic comp...
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JP7220556B2 |
To provide a workpiece holding device which achieves stable relative linear motion between itself and a shaft member even if relative high speed reciprocating motion occurs between itself and the shaft member.An air slide device 100 incl...
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JP2023504388A |
A support device (MC2) for slidably supporting an object (eg, a movable part, etc.) and for linearly moving the object along the longitudinal axis (X). A magnetic return force is generated on the object produced by the cooperation of the...
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JP2023504338A |
An ultra-thin hydrostatic gas bearing and method of manufacturing the same are disclosed. A hydrostatic gas bearing includes a substrate as a bearing housing, an embedded tube, and a plurality of orifices formed in the tube. A method of ...
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JP7214805B1 |
A magnetic bearing device and a vacuum pump capable of measuring the natural vibration mode of a rotating body with high sensitivity in a floating system using a magnetic bearing are provided. Kind Code: A1 In step 1, operation in a seco...
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JP7214711B2 |
The present disclosure provides a wiring structure of a magnetic suspension bearing, a compressor and an air conditioner. The wiring structure of a magnetic suspension bearing, for electrically connect a control coil of the magnetic susp...
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JP7214913B2 |
To suppress occurrence of friction and wear between a movable part and a fixed part including a sleeve, due to reciprocation of the movable part while always keeping a circumferential direction position relationship between the movable p...
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JP7210234B2 |
An air bearing includes: a main body part having a bearing surface facing a guide surface; a flow path part provided in the main body part; an air film forming part that supplies compressed air flowing through the flow path part to the g...
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JP2023501893A |
A packing seal (12) for a piston compressor comprises not only a longitudinal axis (L), but also a fastening part (12c) and a cylindrical part (12p) which follow each other in the direction of the longitudinal axis (L). A magnetic bearin...
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JP7199870B2 |
To suppress that a coil to be pulled around to a land moves over an edge of a sensor substrate.A motor 1 comprises a magnetic bearing 4 which supports a rotor 3 by non-contact by magnetic force. The magnetic bearing 4 comprises: an elect...
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JP7193256B2 |
To provide a manufacturing method of a roller supporting device capable of reducing an outer diameter of an outer ring in a radial bearing composed of a permanent magnet.Tolerance ranges of a mass m of a roller 1, tensile force T of a we...
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JP7193257B2 |
To provide a manufacturing method of a roller supporting device capable of absorbing fluctuation of tensile force of a web in a radial bearing composed of a permanent magnet.A mass m of a roller 1, tensile force T of a web W, an included...
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JP7192502B2 |
To provide a magnetic bearing that can change gain characteristics relative to a current value of a coil.A magnetic bearing 4 includes: a pair of teeth 11, 12; a connection part 20 connected to the pair of teeth 11, 12; coils 14, 15 disp...
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JP7190097B2 |
A measuring system (15) includes a measuring arm receiving unit (18) mounted on the housing (49) or on an axial pin (30) connected to the housing (49) for conjoint rotation so as to be rotatable or pivotable about the axis of rotation (D...
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JP7189802B2 |
To obtain a spherical joint which can simplify an oil drain structure of oil which has lubricated the spherical joint.A spherical joint comprises an inner ring having a shaft, and an outer ring having an annular slide part encapsulating ...
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JP2022184024A |
To provide a liquid hydrogen pump capable of operating more stably, and a liquid hydrogen pump system.A liquid hydrogen pump comprises: a motor part having a motor shaft rotatable around an axial line; a pump part having a pump shaft rot...
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JP2022182419A |
To achieve good machining by rotatably supporting a rotating shaft of a spindle even when grinding or polishing a hard workpiece.A machining apparatus includes a mitigation unit 48 that mitigates thrust load applied in a direction away f...
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