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JP2002515962A |
The invention concerns a drive system with a drive motor (1), especially the internal combustion engine of a motor vehicle, an electric machine (4), which provides additional driving action, and at least one short-duty battery (11), whic...
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JP2002147441A |
To reduce bearing loss by reducing abrasion of thrust metal and thrust runner surfaces and by eliminating metal burnout in a thrust bearing.A thrust runner side permanent magnet 4 and a thrust metal side permanent magnet 5 are buried in ...
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JP2002515104A |
A waste water disposal system for a building which saves and recycles the grey waste water for lawn and plant irrigation. The system includes interconnected waste water pipes containing two separate passageways, one for reusable grey wat...
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JP2002122138A |
To reduce the vibration due to unbalance of the magnetic force generated in a motor part by the vibration of a rotor in a magnetic bearing device having a motor part.A radial sensor fitted so as to control a magnetic bearing detects the ...
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JP2002512333A |
A pump for pumping sensitive fluids, such as blood, has no mechanical contact between the impeller and any other structure.
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JP2002510776A |
A support assembly for supporting a rotating shaft relative to a structure in which a first magnetized member is attached to the shaft for rotation therewith, a support member is connected to the structure and at least one damper member ...
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JP2002089559A |
To provide a magnetic bearing of high responsiveness (quick responsiveness) at low cost.This magnetic bearing device includes a power amplifier for supplying a control current to the coil of the electromagnet of a controlled magnetic bea...
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JP3266559B2 |
To obtain a brushless DC motor in which a dynamic characteristic is enhanced, by a method wherein a base and a shaft are coupled by a bearing system so as to be rotatable and an idle-movement suppression means is controlled according to ...
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JP3261602B2 |
PURPOSE: To cool a workpiece tool by forming a helical groove, feeding a cooling machining fluid to the forward when a spindle is rotated, in an internal peripheral surface of a cooling machining fluid flow path of the spindle. CONSTITUT...
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JP3258021B2 |
PCT No. PCT/FR94/01303 Sec. 371 Date May 3, 1996 Sec. 102(e) Date May 3, 1996 PCT Filed Nov. 8, 1994 PCT Pub. No. WO95/13480 PCT Pub. Date May 18, 1995A device for mounting and driving a tubular spindle (10) has first and second axial-fl...
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JP2002504978A |
A flux position sensor for magnetic bearings applications is provided by creating a secondary, or shunt, flux path in parallel with a main flux path of a magnetic bearing. The secondary flux path is formed such that a small amount of bea...
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JP2002039178A |
To provide a magnetic bearing device capable of producing effects similar to those created by a magnetic flux feedback type power amplifier within a controller without the need to provide a magnetic flux sensor near an electromagnet, and...
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JP3251654B2 |
PURPOSE: To furnish superconductive magnetic support equipment which can levitate a carrying body stably by a magnetic force without necessitating any special control and can make it run stably in a noncontact manner even when an externa...
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JP2002502484A |
Bearing device of magnet type for instruments and the like and non-contact support of one part relatively to another part by means of magnet fields wherein the one part is rotatable relatively to the other at least a part of a full turn....
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JP2002013532A |
To provide a magnetic bearing control system which enables a positive stop of rotation of a rotor by the motor, in case of failure of an inverter which drives and controls a motor and prevent breakdown of controlled equipment such as the...
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JP2002501150A |
In one aspect, the invention is concerned with a machine comprising: an annular stator-ring; an annular rotor-ring rotatable within or outside said stator-ring, and preferably at least substantially co-axial therewith; magnetic means, pr...
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JP2001352114A |
To provide a magnetic bearing device for excimer laser equipment wherein an adjustment part of a position displacement detecting sensor is mounted on a magnetic bearing mechanism main body of a gas stirring fan in excimer laser equipment...
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JP2001343020A |
To realize stable magnetic levitation.In a magnetic bearing provided with a rotary side permanent magnet rings 1, 4, 6, 8 as a rotary side bearing element, a high temperature superconductive bulk body 12 and a stationary side permanent m...
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JP3236925B2 |
PURPOSE: To increase a load capacity in axial direction by providing annular fixed permanent magnets which energize rotating permanent magnets upward by magnetic repulsion at a fixed part positioned lower than the rotating permanent magn...
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JP2001525014A |
A magnetically soft, Co-Fe-C alloy is disclosed which contains in weight percent, about - Carbon 0.05-0.50 - Manganese 0.5 max. - Silicon 0.5 max. - Phosphorus 0.01 max. - Sulfur 0.01 max. - Chrominum 1.0 max. - Nickel 1.0 max. - Molybde...
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JP3228942B2 |
A flywheel energy conversion device provides highly efficient conversion between kinetic and electrical energy. The flywheel produces increased output by providing armature coils in an air gap formed about the flywheel (both radial and a...
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JP2001304258A |
To provide a magnetic bearing reducing a magnetic clearance between a magnetic pole face of the magnetic bearing and a target, having a small size, and having a superior corrosion resistance and to provide a magnetic levitation device us...
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JP2001298941A |
To solve the problems, in a shaft feeder for a movable body on a stationary body whose drive source is a linear motor is on the increase, that magnetic attraction many times larger than the obtained thrust acting between a primary member...
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JP2001286116A |
To provide a noncontact drive motor capable of continuously keeping a noncontact state even when starting or in stop and also having semipermanent durability as well. The drive motor comprises a sleeve 20 wherein the center of a housing ...
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JP3215842B2 |
To provide a magnetic bearing protection device and a turbo molecular pump free to stably control against excessive deflection of a rotor and vibration from outside. A magnetic bearing is protected by stopping the magnetic bearing in the...
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JP3215080B2 |
To provide a manufacturing method for electromagnetic control bearing in which electromagnetic force generating means are set on the outer peripheral surface of a bearing, in order to decentralize the clearance between a shaft and a bear...
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JP3210018B2 |
PCT No. PCT/DE93/00252 Sec. 371 Date Sep. 26, 1994 Sec. 102(e) Date Sep. 26, 1994 PCT Filed Mar. 20, 1993 PCT Pub. No. WO93/20362 PCT Pub. Date Oct. 14, 1993The invention concerns an auxiliary bearing system with mechanical bearing eleme...
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JP2001514532A |
A rotary pump for pumping fluid through a patient comprises: (a) a housing (324) (b) a stator member (320) attached to said housing (324) and having a first portion, a second portion, and a plurality of stationary blades (334) attached t...
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JP3206044B2 |
PURPOSE: To raise the rotating speed of a rotary shaft supported by a superconducting bearing beyond the critical speed. CONSTITUTION: Until a speed exceeds its critical lead a lower bearing 18b is raised so as to support a rotary shaft ...
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JP3205032B2 |
PURPOSE: To provide a superconduction magnetic bearing device which prevents generation of an eddy current owing to vibration of a rotary body and unevenness in the magnetic field of a magnet and reduces a rotation loss since the structu...
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JP2001234929A |
To provide corrosion-resistance without gas pollution, and to rotatably support levitated body by non-contacting while generating proper magnetic power.This magnetic bearing 40 is provided with an electromagnet 40b supporting levitated b...
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JP3201105B2 |
PURPOSE: To prevent the defective turning of a valve stem by preventing the excessive thrust force from being applied to a valve stem due to the pressure of the grease to be injected for the lubrication and corrosion prevention at a bear...
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JP2001511498A |
The invention relates to a mounting for a turbo-machine rotor. Said mounting is characterized in that radial support of the rotor is assured by one or more permanent magnet bearings. One or more single-thrust sliding bearings provide axi...
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JP2001511236A |
(57) [Summary] A working shaft rotating magnetic bearing has a first portion and a second portion that are rotatable with respect to the rotating shaft. The first part consists of two radial outer ring-shaped magnetic pole pieces (23) an...
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JP2001208060A |
To manufacture a machine of little energy consumption by obtaining smooth rotation by making a rotating shaft of a rotary device (machine) to levitate and to eliminate the resistance by the magnetism of the permanent magnet.Repelling mag...
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JP3192207B2 |
PURPOSE: To prevent bearing bodies made of superconductor from unfavorably being magnetized through the influence of magnetic field applying means when the bearing bodies are cooled from a normal conducting state to a superconducting sta...
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JP3189344B2 |
PURPOSE: To solve the problem of the shortage of oil film pressure while the rotation of a rotary shaft is accelerated by mounting an inertia member capable of moving in the peripheral direction of the rotary shaft on the rotary shaft, a...
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JP3188127B2 |
PURPOSE: To provide a method and a device for attaining the merits of multi- stage bearings, in a multi-stage bearing load leveling method and a device thereof for leveling respective loads of the bearings which are mounted in multiple s...
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JP2001190043A |
To attain a magnetically levitated motor capable of winding a coil easily. This magnetically levitated motor is provided with a rotor formed out of a magnetic body and fixed with a permanent magnet 7, a DC magnetic field generating means...
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JP2001182746A |
To provide a magnetic bearing device which can prevent deterioration of sensor sensitivity, decrease in magnetic force for floatation and a reduction of a magnetic rotational force of a motor stator, and to miniaturize such components as...
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JP3182402B2 |
To provide a system controlling a blood pump in dynamics so as to avoid a possible problem in a control system using a pressure sensor. When coils 16 and 17 are activated, a current flows clockwise in the coil 16 and a current flows coun...
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JP2001508154A |
Bearing systems, such as magnetic bearings, are widely used today in a variety of applications. All bearing systems are, however, subject to failure. Therefore, backup bearing systems are often utilized in conjunction with a main bearing...
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JP2001508155A |
A backup bearing for supplying backup to magnetic bearings is provided, the backup bearing comprising: an outer race disposed about the axis of a stationary shaft, the outer race mounted to a flywheel assembly for rotational movement abo...
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JP2001165165A |
To provide magnetic bearing structure simple in structure, easily controlled and suppressed in manufacturing cost while reducing noise, vibration and power consumption and improving rotating speed and the service life of a bearing.This m...
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JP3176578B2 |
To provide a concentric controller for a non-coaxial induction motor which allows the structure to be simplified, thereby allowing reduction in the manufacturing cost and which can increase reliability in control. A concentric controller...
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JP3174865B2 |
PURPOSE: To attain positioning of a rotary shaft in an arbitrary position relating to a casing before operation by stably supporting the rotary shaft by a superconducting bearing of simple structure. CONSTITUTION: A rotary shaft 2, which...
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JP3077282U |
[Task] To extend the service life and reduce costs. The present invention is a magnetic suspension in which a rotating shaft is incorporated on a base, and is a magnetic suspension portion that is connected to the rotating shaft 21 and t...
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JP2001111138A |
To provide an excimer laser apparatus in which the high-speed rotation of a circulating fan can be performed easily and in which the installation space of a bearing part and that of a motor part can be reduced. This excimer laser apparat...
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JP2001504926A |
(57) [Summary] The present invention provides an improved magnetic bearing that works well, especially at high temperatures above 600 ° C. According to the present invention, a magnetic bearing in the form of a plurality of separated ma...
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JP2001086704A |
To obtain a motor-integrated magnetic bearing device, the operation of which can always be controlled stably, without having to perform readjustment, resetting, etc., of the troublesome control characteristics of magnetic bearings. In a ...
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