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JP6701568B2 |
To provide an induction motor outside standard specifications and a production method therefor, capable of preventing wasteful power consumption and downsizing a physical constitution.An induction motor comprises: a casing; two stators p...
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JP6697135B1 |
To provide a three-phase squirrel-cage induction motor and a pump device which are motors for driving a squared reduction torque load device, have output terminals of a plurality of changing phase coil counts, and have a rotation control...
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JP6688247B2 |
In a rotary electric machine, a rotor, and a stator. The stator includes slots provided in a circumferential direction thereof, and stator windings wound in the slots. The stator windings include n groups of three-phase windings, where n...
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JP2020058132A |
To provide a rotor manufacturing device of a cage-type induction rotary electric machine, capable of increasing a positioning accuracy even in a rod-like conductor bar having a thickness which is difficult to be curved and reducing the n...
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JP6667731B2 |
This induction motor rotor (60) is equipped with a rotor core (61) and conductor bars (63) disposed in respective slots formed in the rotor core (61). The induction motor rotor (60) is characterized by being provided with: end rings (64)...
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JP6665770B2 |
A rotor of rotary electric machines includes a rotor core which include first and second core blocks. The first core block is formed by stacking the steel plates in a state where the steel plates are engaged by a first crimping portion a...
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JP6666303B2 |
To save a labor and reduce a time for balancing a full-closed type induction electric motor by increasing and reducing a weight for balance adjustment attached to a short circuit ring after the full-closed type induction electric motor i...
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JP6660667B2 |
To provide a rotor of a robust and high reliability rotary electric machine, even during temperature change such as a low temperature.A rotary electric machine includes a stator and a rotor, and the rotor comprises: a rotor shaft; a cyli...
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JP6657745B2 |
To fetch a secondary current running through a rotor of a wire-wound n phase (n: 2 or higher integer) AC induction rotary electric machine into an external circuit in a non-contact manner.A secondary current running through a rotor coil ...
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JP6660121B2 |
To provide a rotary electric machine made highly efficient while maintaining high reliability.A rotor iron core 7 is composed of a stack of steel plates, in which a plurality of steel plates are stacked in an axial direction. Each axial ...
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JP6647464B1 |
The rotor has a rotor core (21) in which a rotor slot (22) in which a rotor conductor (23), which is a conductor, is housed is formed. The rotor slot (22) is located on the inner slot (26), which is the first slot, and the outer peripher...
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JP6640685B2 |
There is provided a rotary electric machine that ensures improving a maximum torque and a rated power factor while reducing an increase in a starting current. In view of this, the rotary electric machine includes a shaft, a rotor, and a ...
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JP6624671B2 |
A squirrel-cage rotor having at least one laminated rotor core and a method of manufacturing the same are provided. Short-circuit rings in the squirrel-cage rotor are provided with at least two metal composite discs. A metal composite di...
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JP6613790B2 |
To provide a solid rotor induction motor capable of enhancing the efficiency by reducing copper loss in the winding on the stator side, while reducing windage loss, and to provide a manufacturing method therefor.A solid rotor induction m...
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JP6613585B2 |
A rotating electric machine (100) of an induction machine type is provided with a stator (10) provided with centralized wound armature coils (14) powered up by three-phase alternating current in stator slots (13), and a rotator (20) prov...
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JP6610469B2 |
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JP2019201490A |
To reduce noise and vibration.In a motor that produces different magnetic resistance between one and the other of magnetic poles, a stator coil includes two sets of three-phase coils that are individually supplied with current. Coils U1,...
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JP6609368B2 |
Provided is a hollow induction motor capable of starting under its own power through use of low-intensity single-phase alternating electric current. In the context of a hollow single-phase induction motor having a stator causing magnetic...
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JP6609482B2 |
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JP6606134B2 |
A rotor capable of improving a torque of an electric motor and a mechanical strength of the rotor. The rotor is provided with a shaft, a plurality of rotor segments that are lined up in the axial direction, and a connecting structure tha...
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JPWO2019043812A1 |
In order to increase torque and reduce torque unevenness at the same time, a reference thin plate 1050, a first thin plate, and a second thin plate having the same slot shape and the same rotation axis are provided, and the first thin pl...
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JP6601592B1 |
The cage rotor (3) is located on the outer peripheral side of the shaft (1), the rotor core (4), and the rotor core (4), with the first corner (R20) at one end and the first corner (R20) at the other end. Two corners (R21) are provided, ...
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JP2019187058A |
To provide a pole change motor device capable of avoiding an increase of rotor loss in a low speed region.A pole change motor 1 has a high pole number of magnetic poles in a high torque range with low speed and a low pole number of magne...
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JP6596002B2 |
A hybrid induction motor includes a fixed stator, an independently rotating outer rotor, and an inner rotor fixed to a motor shaft. In one embodiment the outer rotor includes spaced apart first bars and permanent magnets, and the inner r...
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JP6587773B2 |
A rotor includes a rotor core having slots on an outer periphery to receive rotor bars, short-circuit rings bonded to ends of the rotor bars to electrically connect the rotor bars together, core retainers located across the rotor core in...
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JP2019140779A |
To provide a three-phase induction motor having a high torque and high efficiency while being capable of suppressing oscillation and noise and keeping a manufacturing cost low.A three-phase induction motor comprises: a stator 3 having a ...
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JP2019140863A |
To suppress a rotary electric machine from being magnetically saturated.In a rotary electric machine (100, 100a-100e) comprising a stator (20, 20a) and a rotor (10, 10a-10e), the stator has a plurality of coils (21) and a stator core (22...
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JP2019122213A |
To provide an induction motor that can reduce noise of a rotator.An induction motor according to one embodiment includes: a stator for generating a magnetic field; and a rotator driven by the magnetic field from the stator. The rotator i...
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JP2019115104A |
To provide an induction motor capable of suppressing reduction in cooling performance while attaining weight saving.An induction motor comprises a stator and a rotor. The rotor includes a core that is provided in a rotary shaft and confi...
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JP6537930B2 |
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JP6538244B2 |
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JP2019518414A |
The turbomachinery system (100) includes an auxiliary power converter (124) and a turbomachinery (102) coupled to an electromachinery (108) via a shaft (106, 110) extending between them. The electromechanical machine includes a stator (2...
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JP6527510B2 |
An electric motor apparatus and method of controlling the same are provided. The electric motor apparatus includes a stator and a rotor rotationally mounted coaxially with the stator; an intermediate screen having a magnetic material and...
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JP2019080438A |
To obtain an efficient two-shaft output induction machine.A two-shaft output induction machine 10 comprises: a stator 14 which has a coil for generating a rotational magnetic flux; a first rotor 16 with an induction conductor for supplyi...
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JP2019075972A |
To provide a method of combining a motor rotor short circuit ring and a conductive copper plate.The method of combining a motor rotor short circuit ring and a conductive copper plate includes: an iron core preparation step; a multiple co...
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JP2019071742A |
To provide a solid core rotor for an induction machine, having a rotational axis to a cylindrical-shaped solid core processed and formed with a massive steel material, which suppresses a flow of an eddy current that is generated from a m...
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JP6509615B2 |
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JP2019058066A |
To provide a rotor assembly with improved electrical and mechanical characteristics while being lightweight, and a method for fabricating the same.A pair of end caps 601A and 601B are arranged at both ends of a stack of laminated discs, ...
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JP6495693B2 |
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JP2019030058A |
To provide a rotary electric machine in which switching loss in an inverter can be reduced, and the efficiency of the inverter can be improved.The rotary electric machine includes a power feeding unit 30 which faces, on at least one end ...
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JP6473567B2 |
To provide a pole number change rotary electric machine that can reduce iron loss by reducing the number of poles by pole number change during operation at a high-speed rotation region, can reduce torque pulsation, output pulsation, and ...
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JP6471664B2 |
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JP6457900B2 |
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JP2019009908A |
To secure bond strength while facilitating gap dimension management in bonding between a secondary conductor bar and a short-circuit ring in a squirrel-cage induction rotary electric machine.A squirrel-cage induction rotary electric mach...
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JP2018207632A |
To provide a dynamo-electric motor capable of reducing influence of a space harmonic magnetic flux.A dynamo-electric motor includes a stator and a rotator. In a stator iron core of the stator, a plurality of stator teeth in which a stato...
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JP6438815B2 |
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JP6435924B2 |
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JP2018196243A |
To provide a small light-weighted induction motor having a high torque conversion rate.An induction motor (100) includes a wheel type rotor (106) for supporting a rotation shaft (101) and two stators (102, 104) disposed so as to oppose r...
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JP2018182794A |
To provide a rotor whose strength is secured at high-speed rotation, and whose weight is reduced, with a simple configuration; and to provide a rotary electric machine provided with the rotor.There is provided a shaft 10 comprising a cor...
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JP6422577B2 |
A block stator, a motor having same, and a household appliance. The block stator (100) comprises: a plurality of main windings (A) and auxiliary windings (B), wherein each of the main windings (A) and auxiliary windings (B) comprises a b...
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