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JPH0211896A |
PURPOSE: To obtain an electric blower quiet with less vibrative noise by constituting a rotor bearing of repulsive type magnetic bearing using permanent magnets. CONSTITUTION: A small ball bearing 36 is forced to be press fitted to a loa...
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JPH021348B2 |
An evacuated casing has outer and inner tubes respectively covering the outer and inner peripheries of a hollow cylindrical rotor. Ring members of a ferromagnetic material are provided in the inner wall of the rotor and face permanent ma...
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JPH01318901A |
PURPOSE: To avoid restriction of sensor performance due to the effect of leakage flux by fixing a magnetic induction sensor to a rotor through an insulating sleeve made of a nonmagnetic material exhibiting high electric resistance to the...
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JPH0156623B2 |
An uninterruptible electric power source comprising a rotor and a stator with the stator having a magnetically suspended flywheel with magnet rings for radial centering, a double electromagnet in a servoloop for restoring equilibrium inc...
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JPH01295019A |
PURPOSE: To prevent the shaft vibration without generating any heating and braking torques with the repulsion force of Meissner effect located between the plate made of a superconducting body which is fixed to a rotary shaft and the magn...
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JPH01294994A |
PURPOSE: To prevent thrust load during periods of low speed operation by moving a seal ring arranged on the outer peripheral surface of a thrust bearing ring to make contact with a thrust collar and pressurizing the interior of the beari...
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JPH0155805B2 |
For compensating the geometrical defects of the annular armature of a radial position detector slaving an active radial magnetic bearing, a reference rotor having a small diameter is co-axially mounted within the rotor supporting the ann...
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JPH0155804B2 |
An active type magnetic bearing for controllably supporting a rotatable shaft made of a magnetic material is constructed such that a stator made of an annular formed laminated iron core is provided around the rotatable shaft, a number of...
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JPH0155806B2 |
Active radial magnetic bearing with solid rotor comprising a stator composed of an armature and electromagnetic coils, a rotor fast with a rotary shaft and placed opposite the stator, detectors for detecting the radial position of the ro...
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JPH0155803B2 |
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JPH01269719A |
PURPOSE: To obtain a magnetic bearing which is small-sized and low-priced and has productivity by disposing the conical recess surfaces of the first and second magnets against the respective conical surfaces of the third and fourth magne...
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JPH01269722A |
PURPOSE: To positively control the operating condition and vibrating condition of various rotary shafts by providing plural electromagnetic poles and controlling the attracting force of the electromagnetic poles according to detection ou...
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JPH0147110B2 |
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JPH01146210U |
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JPH01234618A |
PURPOSE: To ensure a large load bearing capacity and enable the concurrent support of radial and thrust loads by applying the constitution wherein a bearing comprising a superconducting material having a hole shaped to the contour of two...
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JPH01229118A |
PURPOSE: To reduce a bearing load and to aim at miniaturization and improvement of reliability by installing an oxide superconductor at one of a stationary base and a rotary table, and a magnet at the position opposite to the other. CONS...
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JPH01124424U |
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JPH0139487B2 |
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JPH01203716A |
PURPOSE: To obtain a simple structure not requiring an electric device for generating an external magnetic field or an electronic regulating device for stabilizing a rotor by forming a non-permanent magnetic bearing portion from a super ...
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JPH01202183A |
PURPOSE: To increase a levitation supporting force in a small size by levitating and supporting an article by a ferromagnetic element in a magnetic field by a superconducting coil. CONSTITUTION: An article levitation supporting device is...
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JPH0137608B2 |
A flywheel apparatus of the invention has a base and a rotor. The rotor is supported by a magnetic bearing. The magnetic bearing has a first annular plate member of a magnetic material, a second annular plate member of magnetic material ...
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JPH0137609B2 |
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JPH01190231A |
PURPOSE: To enable effective cooling with a simple structure, by providing a duct to carry the gaseous cooling agent in the radial direction of an outer circumference of a bearing disk in the axial direction from a part of a supporting h...
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JPH01102516U |
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JPH01172631A |
PURPOSE: To prevent the interrupt of bearing by arranging a servo control electromagnetic bearing as an annex to a fluid bearing between a pipe element and a rotating shaft, and controlling the exciting current in response to the signals...
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JPH01158216A |
PURPOSE: To make use of magnetic flux effectively by magnetizing an N pole portion radially toward another magnetic member and an S pole portion radially away from the another magnetic member for at least one of the magnetic members. CON...
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JPH01158214A |
PURPOSE: To prevent leakage from a recess to the low pressure side, and from teeth tops to an inner space of teeth by arranging the recess in a bore of the bush in the vicinity of a region where load is concentrated, and arranging projec...
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JPH0126404B2 |
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JPH01126418A |
PURPOSE:To aim at restraint of unstable vibration, and prevention of damage to a shaft by forming a spring located between a bearing member and the inside bottom of an oil tank with the material which is deformed due to temperature, exte...
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JPH0113827Y2 |
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JPH0198708A |
PURPOSE: To set the center of a rotary shaft unchanged across the change of a relative displacement so as to prevent generation of a poor control of the device in the caption by arranging an electromagnetic stator for generating attracti...
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JPS6479413A |
PURPOSE: To narrow a bearing space as well as to reduce the thickness and size of the whole body by applying preload to a ball bearing with resiliency of a magnet member, installing a conductive magnetic fluid in a between the magnet mem...
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JPS6455034A |
PURPOSE: To reduce the load of a magnetic bearing and to miniaturize the magnetic bearing by using Meissner effect of a superconductor provided in a rotary plate opposed to the magnetic force of a permanent magnet placed on the magnetic ...
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JPS6455032A |
PURPOSE: To reduce the load of a thrust bearing and to prevent the burning by Meissner effect of a superconductor provided on a rotary plate opposed to the magnetic force of a permanent magnet placed on a fixed plate. CONSTITUTION: A thr...
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JPS6455037A |
PURPOSE: To reduce the load of a thrust bearing and to prevent the burning by using Meissner effect of a superconductor which constitutes a rotor coil opposed to the magnetic force of a permanent magnet provided on a fixed body. CONSTITU...
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JPH0112970B2 |
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JPS6455036A |
PURPOSE: To reduce the load of a thrust bearing and to prevent the burning by using Meissner effect of a superconductor provided on a thrust runner opposing to the magnetic force of a permanent magnet placed to the thrust bearing. CONSTI...
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JPS6455035A |
PURPOSE: To reduce the load of a thrust bearing and to prevent the burning by using Meissner effect of a superconductor provided on the thrust bearing opposing to the magnetic force of a permanent magnet placed to a thrust runner. CONSTI...
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JPS6455038A |
PURPOSE: To reduce the load of a thrust bearing and to prevent the burning by using Meissner effect of a superconductor provided on the surface opposed to a rotor coil of a fixed body. CONSTITUTION: A thrust collar 5 of a rotor coil 1 op...
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JPS6455029A |
PURPOSE: To make it possible to reduce the load of a thrust bearing and to prevent the burning by providing a rotary plate with a permanent magnet to a rotary shaft and placing a fixed plate with a superconductor in opposition to it. CON...
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JPS6455033A |
PURPOSE: To reduce the load of a magnetic bearing and to miniaturize the magnetic bearing by using Meissner effect of a superconductor provided on the magnetic bearing opposed to the magnetic force of a permanent magnet placed to a rotar...
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JPS6446016A |
PURPOSE: To prevent the damage of a magnetic iron plate caused by the contact between a rotator and a stator in the rotary machine in the caption by supporting the rotator in used of an auxiliary bearing in case of any accident on the ma...
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JPS6440714A |
PURPOSE: To provide a bearing mechanism not using any lubricant by supporting the rotary element with a repulsive force due to Meisner effect applied to a superconductor and magnet. CONSTITUTION: A disc-shaped permanent magnet 2 is inser...
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JPS645161B2 |
A magnetic bearing assembly for a rotor, including at least two actively regulated magnetic bearings for stabilizing the rotor in directions oriented substantially perpendicularly to one another and to the axis of rotation. The magnetic ...
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JPS645162B2 |
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JPS6416163U |
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JPS642813B2 |
A flywheel assembly has a base (26) and a flywheel (24) rotatable with respect to and in contact-free relation with the base. First and second annular yokes (32, 30) are secured to the base coaxial with the flywheel, and coupled to each ...
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JPS641682B2 |
Rotor assembly comprises a rotor and a bearing having inner and outer races with rolling elements disposed therebetween, one of the races being secured to the rotor and the other thereof being secured to a rotatable annular member concen...
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JPS6367043B2 |
Electromagnetic bearing within a high temperature environment. The bearing comprises electromagnets, each one constituted by at least one coil made of conductors, and one armature in ferromagnetic material. Each coil is produced by weavi...
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JPS6366150B2 |
The invention relates to an active magnetic suspension device of a rotor placed in a sealed enclosure. Each active radial bearing comprises a stator composed of electromagnetic windings associated with a magnetic yoke which has end pole ...
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