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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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JP7408864B1 |
An object of the present invention is to improve bearing performance by suppressing the influence of eddy currents generated in a coil. [Solution] A bearing control device includes an electromagnet including a coil arranged opposite to a...
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JP7407771B2 |
There is provided an electron beam inspection system which can enhance the safety of the whole system if servo valves are deactivated in the event of a power failure or an emergency stop. The electron beam inspection system has a beam so...
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JP7406816B2 |
A bearing 100 is provided between an outermost peripheral portion and an innermost peripheral portion of a flywheel 110. The bearing 100 includes a bearing rotor 120 firmly fixed to rotate integrally with the flywheel 110, and a bearing ...
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JP2023183943A |
To provide a rotary joint capable of suppressing the mixture of foreign matters into sealed fluid while rotatably supporting a rotary shaft.A rotary joint 1 includes a cylindrical case body 2 having an outside flow path 23a where sealed ...
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JP7406171B2 |
A compressor assembly is provided. Embodiments of the present disclosure generally relate to compressors used in chiller air conditioning systems for indoor spaces. The disclosed compressors have magnetic bearings that support rotating c...
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JP2023183407A |
To realize a processing of high accuracy by compensating gyro effect acting on a spindle main shaft in a case when the spindle main shaft is inclined during high-speed rotation.In an air bearing spindle including a spindle main shaft and...
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JP2023553578A |
The present invention relates to a turbo-compressor assembly of a chiller comprising a compressor I, an electric motor III and a turbo-expander II arranged in a common housing, the common housing comprising a compressor body 19, The comp...
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JP2023181148A |
To provide a magnetic circuit device for a magnetic bearing that includes a permanent magnet ring constituted by a plurality of permanent magnets and a soft magnetic material ring, wherein the circumferential uniformity of the magnetic f...
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JP2023181092A |
To provide a multi-angle aerial photographing stabilizer.A bracket is arranged below a flight vehicle. The bracket is connected to the flight vehicle through a first electric rotary shaft. To the bracket, a hollow ball opened to a lower ...
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JP7400249B2 |
To provide a structure for supporting a gas dynamic pressure bearing even if applied with a force in an axial direction.A gas dynamic pressure bearing has a shaft 31 having a shaft dynamic pressure part 315, and a sleeve 25 having a slee...
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JP2023552328A |
Dry vacuum pumps require the ability to absorb large gas flows, at least intermittently, for certain pump applications. The cumulative effects of thermal expansion and shaft flexing motion caused during these transient steps can result i...
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JP2023175275A |
To provide a magnetic bearing device that can correct an inclination of a rotor with a small magnetic attraction and support the rotor stably.A magnetic bearing device includes: a non-magnetic ring 1 constituted of a non-magnetic materia...
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JP7394705B2 |
To provide a guide member having a structure applicable for elongation.A guide member includes a plurality of first members arranged in parallel with one axis direction, as well as a plurality of second members united in the one-axis dir...
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JP2023173585A |
To prevent generation of vibration in a spindle during machining.Air pressure to be supplied for forming a radial air bearing is made lower than air pressure to be supplied for forming a thrust air bearing, by a pressure adjusting unit 1...
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JP2023169466A |
To provide a thrust magnetic bearing device which can stably support a rotating shaft by complementing thrust force generated in a direction of the rotating shaft by rotation.A thrust magnetic bearing device supporting a rotary electric ...
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JP7387615B2 |
The invention relates to a magnetic bearing assembly for contactless linear displacement of a rigid body relative to another rigid body along a linear displacement path.The invention also relates to a linear guideway assembly implementin...
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JP2023549227A |
The present invention provides an inner bottom magnetic steel that extends along the axial direction, and an inner bottom magnetic steel that is located at two axial ends of the inner bottom magnetic steel and extends along the axial dir...
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JP7382864B2 |
To provide a magnetic bearing device stably rotating while reducing a heating value, and a low temperature liquefied gas feed pump including the same.A magnetic bearing device 300 supporting a rotating shaft includes a first electromagne...
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JP7381976B2 |
A rotor (51) for a thrust magnetic bearing (50) that axially supports a rotational shaft (30) rotationally driven by a motor (20) is provided with a rotor path (93) that is a part of a coolant path (Z) for feeding a coolant to the motor ...
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JP7378175B1 |
[Problem] To provide a magnetic levitation generator assembly that significantly increases wind power generation efficiency. [Solution] A main shaft is installed in a housing, the upper and lower ends of the main shaft are respectively s...
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JP7377660B2 |
A vacuum pump and an accessory unit of the vacuum pump for which there is no need of adjustment with respect to an operation schedule on an apparatus side, and for which version upgrade of built-in software and a change in setting data c...
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JP7374029B2 |
To suppress the heat generation of an electromagnetic coil while securing the control accuracy of a magnetic bearing, in a low-temperature fluid pump having the magnetic bearing.A magnetic bearing for holding a shaft 9 of a low-temperatu...
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JP7372538B2 |
To provide a superconductive bearing with a superconductive bulk body, in which the superconductive bulk body is cooled evenly and eddy current loss is small in a superconductive bulk body housing vessel.A superconductive bearing compris...
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JP2023544207A |
A tooth carrier (40) for receiving teeth (7) of a gear ring arranged around the axis of rotation (5) of the gearbox, such that the teeth (7) are radially displaceable and guided. A tooth carrier (40) arranged on the tooth carrier (11) an...
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JP2023543754A |
The apparatus and method include relatively moving elements having one or more bearing surfaces defining a gap between the elements in which fluid is received. At least one of the bearing surfaces comprises a varying topography to provid...
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JP7362664B2 |
An axial load management system for a turbomachine including a rotating drivetrain, a thrust bearing assembly, a sensor, and a valve supply line. The rotating drivetrain includes a compressor section and an expander section fluidly coupl...
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JP7361630B2 |
To obtain a vacuum pump controller which excellently operates a vacuum pump in a specific rotational frequency range, and a vacuum pump. A signal processing portion generates a current command value based on sensor signals obtained from ...
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JP2023149956A |
To provide a static pressure air bearing device which can suppress a deformation of a porous plate material.A static pressure air bearing device comprises a porous plate material and a base material. The porous plate material has a beari...
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JP2023147374A |
To provide a control system of a vehicle which can alleviate or cancel a thrust load.A control system of a vehicle comprises: a motor for driving the vehicle; a reduction mechanism such as a transaxle connected to a motor shaft of the mo...
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JP2023148588A |
To provide a turbomachine capable of reducing thrust force with a simple structure.A turbomachine (1) is equipped with a shaft (10), an impeller (20) that is provided on the shaft, a casing (30) that stores the shaft, a motor (40) that s...
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JP7351196B2 |
To provide an electric power conversion device capable of reducing an increase in manufacturing costs.An electric power conversion device includes: a main circuit including first upper and lower arms, second upper and lower arms and thir...
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JP2023540381A |
The present invention relates to a magnetic bearing device (1) and a positioning system equipped with the magnetic bearing device. The magnetic bearing device is formed from a stator (2) and a coil device (4) having at least one coil bod...
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JP7349531B2 |
A device and a method for winding and twisting fibrous material in ring spinning and ring twisting frames are disclosed. The device and method allow the operating speed of the frames to be substantially increased, achieve higher producti...
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JP2023125645A |
To provide a magnetic floating type dynamo-electric motor that actively controls a one shaft to a thrust direction, capable of securing a supporting force to a radial direction, and enhancing the support force of the thrust direction.A m...
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JP7332651B2 |
A blood pump system includes a pump housing and an impeller for rotating in a pump chamber within the housing. The impeller has a first side and a second side opposite the first side. The system includes a stator having drive coils for a...
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JP2023116394A |
To provide a vacuum pump facilitating positioning of a magnet even when a suction port is formed on a lateral face of a housing.In a vacuum pump 1, a housing part 2 has a suction port P11 formed on a lateral face portion 13. A magnetic b...
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JP2023116061A |
To provide a holding device effective for suppressing vibration transmitted from a robot arm to a held body and for stably holding the holding target body without depending on movement of the robot arm.A holding device 101 includes: an i...
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JP2023114684A |
To provide a bearing structure that facilitates positioning in a rotation axis direction.A magnetic bearing structure comprises a shaft that rotates with a stretching direction as a rotation axis, an inner ring connected to the shaft, an...
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JP7328975B2 |
A stage device 100 comprises: a slider 10 for air-servo driving; a first guide 12 that guides first-direction movement of the slider 10; an actuator 14 that drives the first guide 12 in a second direction; and a second guide 16 that guid...
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JP7328604B1 |
A radial magnetic bearing capable of improving a space factor is provided. A radial magnetic bearing (20) includes a first coil (31) wound around one tooth (50) out of a plurality of teeth (50), and teeth around which the first coil (31)...
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JP7327243B2 |
To improve accuracy in detecting a position of a rotation shaft.A displacement sensor 30 for acquiring a position of a motor shaft 101 includes: a core 41 formed of a magnetic material; a coil 42 wound around the core 41; and a core posi...
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JP2023111002A |
To restrain loss of a function of protecting a rotating body.A first composite bearing 10A and a second composite bearing 10B each comprise a magnetic bearing 20 rotatably supporting a rotating shaft 2 in a non-contact manner by a magnet...
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JP7319520B2 |
A bearing structure includes a drive shaft that extends in a horizontal direction, a touchdown bearing, and a bearing housing. The drive shaft is supported by a magnetic bearing. The touchdown bearing includes a rolling member interposed...
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JP7319717B2 |
An axially compliant rolling bearing for precision motion stages having a stage, at least one bearing member slidably disposed along a rail, and a compliant joint interconnecting the at least one roller bearing to the stage. The complian...
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