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JP5484688B2 |
A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having asymmetric laminations, a commutator fitte...
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JP5481102B2 |
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JP5481160B2 |
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JP5478844B2 |
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JP2014068447A |
To provide a rotary electric machine capable of preventing an equalizer for connecting segments at radially opposite positions from being overlapped, and suppressing eccentricity of a stress in winding wires which are continuously formed...
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JP2014068494A |
To provide a DC motor of high quality, which suppresses deterioration of motor performance while dispersion of a motor characteristic is prevented by improving assembly precision of a commutator and an armature core, and to provide an in...
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JP5466751B2 |
A direct current motor with brushes in which an armature is provided with a rotating shaft that is supported by a yoke housing, an armature core that is fitted and fixed to a rotating shaft from the outer side, and a commutator that is p...
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JP5460081B2 |
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JP5452403B2 |
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JP2014054026A |
To provide a coreless coil that enhances motor efficiency at inexpensive price.The coreless coil is formed by being displaced in a direction in which an area increases more than an area enclosed by a skew width that is a length from both...
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JP5446835B2 |
A dust collector comprises a tank having an intake opening; a head unit mounted on the tank; a motor provided on the head unit and having a rotor, a stator and an output shaft; a fan provided on the head unit and rotating under power fro...
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JP2014045540A |
To provide a dynamo-electric machine adjusted so that the resistance values are equalized for two kinds of winding wound concentratedly on each teeth.In a DC motor M including 2m (m is a natural number) magnets, an armature core 3 having...
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JP5441838B2 |
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JP5434817B2 |
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JP2014039372A |
To provide a rotatable DC motor that has n magnetic poles, 2mn slots and mn segments.A stator 11 has two circumferentially arranged magnets 13, 14. An armature 21 has: an armature core 23 having eight circumferentially arranged slots 32 ...
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JP5425676B2 |
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JP2014036533A |
To provide a brushed DC motor capable of reducing torque pulsation even when the number of brushes is four.The brushed DC motor includes: a stator having 2×P magnetic poles (P is an odd number of 3 or more); an armature core having P×N...
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JP2014036452A |
To provide a brush coreless motor used for electric apparatuses capable of reducing the thickness and the weight and the cost therefor.The brush coreless motor has a component in which a cantilever-supported rotor 1 which has plural coil...
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JP5418943B2 |
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JP5418852B2 |
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JP5419997B2 |
A rotating electrical machine having an armature formed of a shaft, an iron core fixed to the shaft and having a plurality of slots extending in an axial direction, an armature winding inserted into the slots, a commutator provided fixed...
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JP5414318B2 |
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JP5406390B1 |
To provide a motor which can easily process a magnet portion, is expected to simplify a processing machine, and can have flexibility in shape at low cost. Flat plate magnets 1 and 2 in which fan-shaped magnets are combined are arranged n...
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JP5399091B2 |
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JP5398469B2 |
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JP5397474B2 |
Power generation efficiency is improved with a simple configuration. A braking device (1) is provided with a brake rotor (3) which rotates on a central axis (G), and friction portions (14) which are in frictional contact with the brake r...
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JP5397310B2 |
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JP5386250B2 |
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JP2014500702A |
The present invention is an electromechanical (10) for an internal combustion engine, particularly a starter device, which has a housing (28), in which at least one magnet (31) and at least one magnet (31). Regarding the type in which mi...
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JP2013258817A |
To provide a dynamo-electric machine which can prevent occurrence of start-up failure by preventing the sliding surface of a brush and the outer surface of a commutator from being bonded, which occurs when the dynamo-electric machine is ...
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JP5378763B2 |
To provide a DC motor that suppresses vibration while inhibiting an increase in size due to an armature coil without deteriorating output. An armature core 12 of a DC motor M1 includes five teeth 21-25. The armature core 12 is wound with...
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JP5370387B2 |
To provide a rotating electric machine enabling both increase in output of a motor and reduction in nonuniformity of motor rotation, vibration and noise, and enabling reduction in commutation sparks. This rotating electric machine includ...
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JP5373882B2 |
To solve the problem in which an electric motor with increased torque fluctuation at the time of rotation has not almost been invented, even though there are a lot of electric motors with reduced torque fluctuation at the time of rotatio...
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JP5372777B2 |
The invention relates to a DC motor, in particular an electric motor with a stator, containing a brush-holding plate made from plastic and a motor housing, comprising a cylindrical wall region for accommodating permanent magnets, with a ...
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JP2013251950A |
To provide a commutator capable of preventing commutator crack inexpensively and stably, and to provide a rotating electric machine with a rotating shaft fixed thereto.A commutator 4 is attached to a rotating shaft 3 having a protrusion ...
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JP5367067B2 |
An electric machine has at least two pairs of carbon brushes made up of one plus and one minus carbon brush, which interact with a commutator in order to supply current to the rotor, the carbon brushes being mounted with their brush hold...
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JP5365657B2 |
To provide a brush motor and an electrically driven power steering device which maintain high quality, have a simple structure, and are easily manufactured. A brush motor includes: a housing including a flange, a rotor provided in the ho...
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JP2013243897A |
To reduce operating noise and vibration while preventing at least one of a complicated configuration or increased manufacturing cost.A brush motor 10 includes a rotor, brushes 19, and brush holding means (a brush case 21, protrusions 22,...
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JP5356978B2 |
To provide a DC motor equipped with a commutator for supplying even high current, in such a structure that a rotor having a field is disposed inside an armature. The rotor 41 disposed inside the armature 21 has a rotational axis 42 and a...
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JP5356977B2 |
To provide a DC motor equipped with a commutator capable of supplying high current in such a structure that a rotor having a field is disposed inside an armature. The rotor 41 disposed inside the armature 21 has a rotational axis 42 and ...
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JP5350019B2 |
To provide an electric motor whose sound and vibration are reduced while preventing winding fatness caused by the winding of the neck of the rotating shaft interposed between a commutator and an armature core. The electric motor includes...
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JP5350031B2 |
To provide an electric motor for wiper devices wherein it is possible to ensure an output torque in a low current range and reduce an output torque in a high current range. The wiper motor drives a wiper device that wipes the windshield ...
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JP5355596B2 |
The invention relates to a method for producing the rotor winding of an electrical machine having at least four exciter poles in the stator (11) and having a commutator rotor (13) with a number of slots (N) and pole teeth (Z) which devia...
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JP5349754B2 |
The object of the invention is to provide an armature which is in good rotational balance, where the total number of the coils to be disposed in the slots of the rotary electric machine can be freely set when winding coils on the armatur...
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JP5349984B2 |
To provide a small brush unit and a small rotating electric machine excellent in rectification. A positive pole terminal plate 70 and a negative pole terminal plate 80 are each formed in C-shape. Conduction connecting portions 72, 74 of ...
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JP2013233085A |
To provide a DC motor capable of suppressing vibration while suppressing enlargement due to an armature coil without deteriorating output.An armature core 12 of a DC motor M1 comprises five teeth 21-25. The armature core 12 is wound with...
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JP5324131B2 |
To provide a brush motor which improves productivity, is manufactured at a low cost, and prevents coming-off and idle operation of a stator. The brush motor 1 includes a cylindrical case 2 and a cylindrical stator 3 housed in the case 2,...
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JP5317754B2 |
To provide an electric motor capable of changing the rotational speed of an armature by switching the conduction of electricity among three brushes, reducing vibration and operating noise, and improve workability in mounting connecting w...
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JP5318310B2 |
A power generator in which the rotor's mechanical rotation speed and the output frequency can be varied substantially independently of each other through electronic controls, to achieve results such as better match between speed and load...
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JP2013211977A |
To certainly keep a spring in a temporarily holding state.An electric motor includes: a commutator 24 for switching a direction of a current supplied to a coil of a rotor; a brush 31 for making the current pass through the commutator; a ...
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