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JP5359027B2 |
To provide a permanent magnet structure which produces stronger magnetic field compared with that in the prior art. The permanent magnet structure (20) includes a first magnet set (12) containing a plurality of first magnets (12a, 12b) a...
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JP5359452B2 |
To provide a brushless motor which can facilitate the adjustment of the distribution of magnetic flux output from permanent magnets, and also can easily obtain the characteristic of cogging torque required for a rotor. In the brushless m...
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JP5359042B2 |
To provide a technique by which electromagnetic coils can be used sufficiently and effectively. A brushless electric machine (100) includes a first member (30U) having a plurality of first permanent magnets (32U), a second member (30L) h...
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JP5360746B2 |
To provide a stator capable of improving the characteristics of a cogging torque without deteriorating an output torque, preventing the deterioration in magnetic efficiency and variation in motor performance, improving workability in ass...
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JP5352982B2 |
To provide a motor having improved efficiency, and electronic equipment using the same. In order to achieve the purpose, the motor is provided with: a stator 3 having a plurality of magnetic poles 3a arranged on an external circumference...
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JP5351640B2 |
A flat vibration motor able to be mounted to a device side board by just reflow processing and able to reduce the occupied area, that is, a flat vibration motor provided with a stator plate having a through hole into which one end of a s...
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JP5354715B2 |
To increase torque to be generated and to facilitate fixing of a piece member to a base member. A stator is provided with: an annular base member 13 having a plurality of first bases 16A and second bases 16B arranged between them, a piec...
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JP5354396B2 |
An ECU attached to a motor assembly has a substrate and a heat sink. The substrate mounts thereon a microcomputer, which controls driving of a motor in accordance with a rotation angle of the motor. The substrate is fixed to the heat sin...
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JP5349472B2 |
A system has a sensor assembly mounted adjacent to a moving magnetic member such as a motor rotor to sense its position. The sensor assembly includes Hall-effect sensors each having a binary output, configured such that distinct position...
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JP2013233035A |
To provide a motor rotator, motor, air conditioner, and manufacturing method for motor rotator, capable of suppressing electrolytic corrosion of a bearing without degrading motor performance and quality.A shaft 23 includes a load side sh...
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JP5338031B2 |
To provide an electric drive unit of high performance, with which an error included in output information of a magnetic pole position sensor incorporated in an electric machine device is reduced and ripple torque of the electric machine ...
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JP5343259B2 |
To implement an rotation control over a wide range of number of revolutions with accuracy and low power consumption by combining the advantage of brushless motors with the advantages of stepping motors. A brushless motor control device c...
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JP5335494B2 |
To secure a larger area of a built-in circuit board than before in a motor having the built-in circuit board. Three circuit boards are connected by a connector cable, and a holding member 116 is used to form a circuit board part 110 in a...
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JP5332260B2 |
To provide a more efficient brushless electrical machine, as compared with conventional machines. The brushless electrical machine (100a) is provided with a first member having a magnet assembly (10), and a second member having an electr...
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JP5332750B2 |
To provide a rotary electric machine which can reduce heat influence on a magnetic flux detecting means at the time of thermal cycling to secure measurement accuracy. In the rotary electric machine 100 including a stator 30 having a stat...
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JP2013223317A |
To provide a sensor used for detecting a rotation position of a rotor relative to a stator on a control board housed in a gear housing thereby realizing further downsizing.Magnets 34 for a rotation shaft (a first magnet, a second magnet)...
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JP2013221740A |
To provide a resolver that, although having a structure where an axial double angel is set to 2X or more, ensures the detection accuracy of an electric angle of a rotor and easily manufactures a stator.A resolver includes a stator provid...
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JP2013223299A |
To provide apparatus and method for manufacturing an electric motor which are capable of improving producibility.A manufacturing apparatus 41 for an electric motor 1 includes: a phase forming machine 42 that has an engaging member 54 cir...
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JP5324125B2 |
To provide an electric motor in which the angle position in the circumferential direction of a sensor stator can be easily adjusted after assembling, and the axial center position of the sensor stator can be adjusted. A frame cover 42 to...
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JP5314067B2 |
To provide a servo motor, capable of shortening length in the axial direction, eliminating troublesome adjustment, and further reducing cost. The servo motor includes a stator, a rotor rotatably mounted at the inner peripheral side of th...
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JP5317489B2 |
To obtain a rotor for a permanent magnet-type rotary electric machine, which has simple structure and can detect its rotational position accurately, and a method of manufacturing the rotor for the permanent magnet-type rotary electric ma...
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JP5310109B2 |
To securely fix a magnet to the periphery of a rotor core at low cost. A rotor 10 includes: a rotor core 6, a plurality of magnets 5 which are provided around the rotor core 6 and arranged in the circumferential direction of the rotor co...
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JP2013207817A |
To provide an electric motor which achieves energy saving while maintaining the performance and the costs.An electric motor includes a stator formed into a frame shape. The electric motor includes a rotor 26 that is rotatably disposed at...
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JP2013207991A |
To provide a brushless motor which allows for cost reduction by simplifying a power distribution board.A power distribution board (40) of a brushless motor is formed into an annular shape, has a wiring pattern (42) only on one surface (4...
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JP5303297B2 |
In a polyphase electric motor, a voltage is sequentially applied to a plurality of windings on a phase-by-phase basis. Then, there is sensed a rotational speed of a rotor, which is rotated by a rotating magnetic field that is generated b...
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JP2013198171A |
To provide a vernier-type brushless motor that makes effective use of magnetic flux of stator magnets without the stator magnets being demagnetized.A brushless motor has stator slots 13 that are formed between T-shaped teeth 11. In each ...
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JP5296817B2 |
To provide a motor with a built-in drive circuit, which is compatible with even for a motor of high voltage and high power. The motor uses a general-purpose high voltage switch main element constituted by a plurality of IC chips as six s...
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JP5290608B2 |
To provide an axial gap motor that ensures an installation space for a sensor element without fail and contributes to better performance. In the rotor 11 of the axial gap motor, the following is implemented: the main flux portion 20a of ...
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JP5292542B2 |
To provide a resolver stator structure capable of at least fixing a floating wire caused in wire winding without executing vanish treatment by winding a magnetic pole winding or an output winding on the outer circumferential surface of a...
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JP5288164B2 |
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JP5286011B2 |
To provide a rotating electrical machine of small size, light weight, high efficiency, and reliability. In the rotating electrical machine including a stator and a rotor, an RF-IC chip, a sensor element, a reader-writer, an external ante...
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JP2013174605A |
To provide a brushless motor in which phases of output signals of a plurality of GMR elements have desired phase relations without having a large-sized sensor package even when the plurality of GMR elements are housed within a single sen...
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JP5281300B2 |
To provide a motor which dispenses with the fine adjustment of a sensor mounting position. In order to solve the problem, the motor M includes: a molded stator 2 having a cylindrical stator core 7 wound with a winding 1, and a molding re...
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JP2013169045A |
To improve temperature resistant reliability of a brushless motor with a sensor.An angle position detection sensor of a rotor is composed of a members used for a motor body, that is a combination of materials such as conductor, insulator...
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JP5272527B2 |
To improve responsiveness and durability against vibration and impact in an actuator drive motor used for a throttle valve of a vehicle engine and an optical axis controller of a vehicle headlamp or the like. An engagement portion 1123 i...
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JP5277586B2 |
To provide a brushless motor in which the configuration of a drive control circuit is simpler and more efficient. The brushless motor is provided with a permanent magnet 32 magnetized in a direction perpendicular to a drive direction, an...
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JP5277605B2 |
To provide a brushless motor that makes it possible to achieve reduction of the price of the brushless motor and further reduction of the size and thickness of the brushless motor. A circuit board 43 includes an inner circumferential sur...
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JP5268845B2 |
To provide a DC brushless motor wherein the productivity is enhanced, stresses are less apt to be generated in electronic components, and poor electrical connection is less apt to be produced. The direct-current brushless motor includes ...
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JP5266746B2 |
The invention provides a brushless motor for rotating driven parts under the condition that a certer axis is not rotated. The brushless motor includes a stator (10) having a electromagnetic coil (12) and a position sensor (40); an axis (...
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JP5264864B2 |
To provide a stator of a motor capable of transferring a substrate, reducing the area of the substrate in accordance with a mounting component and reducing the manufacturing cost. In a stator of a motor, a substrate on which an electroni...
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JP5260824B2 |
To provide a motor producing a large output and an increased inertia with a small size while enhancing rotation efficiency by employing an outer rotor structure and an inboard rotor structure and durable against an impact unique to a mot...
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JP5262583B2 |
To reduce the shaft length of a motor by integrally incorporating a resolver into the motor. A rotating shaft 3 having a cylindrical portion 3c via a hub 3b on the external circumference of a center shaft 3a is used. A rotor 4 of a motor...
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JP5263714B2 |
To provide a rotating electrical machine wherein it is possible to reliably position a stator in a motor case, in the axial direction to hold the stator in the motor case, without fail and prevent a stator core from being deformed to red...
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JP5264286B2 |
To provide a motor having a lead wire easily drawn to the outside and preventing the lead wire is broken. Grommet halves 43a and 43b holding a lead wire 35 to be drawn are held between a cut 41 formed at a first component 4b constituting...
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JP5260825B2 |
To provide a rotor having a resin flow groove wherein its molded portion is not peeled or destroyed. The rotor 10 is constructed as follows: a resin flow groove 22 through which molding resin flows is formed in the peripheral portion of ...
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JP5261229B2 |
To provide an actuator that efficiently achieves reduction in size and weight while reducing an influence of electromagnetic noise on a control board even when a motor casing is molded of resin. The actuator 1 includes: an electric motor...
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JP2013153544A |
To provide a motor which reduces the dimensions in a radial direction as well as in an axial direction and achieves the downsizing of the entire motor.A motor includes: a peripheral wall part housing a shaft, a rotor, and a stator etc. a...
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JP5257263B2 |
To provide an actuator with a built-in speed reduction mechanism having reduced axial dimension and an output shaft that is hollow, and a robot with a compact joint part.This actuator includes a stator 103 comprising an armature coil 102...
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JP2013150481A |
To provide a motor which reduces a possibility of deteriorating signal accuracy of a resolver, and to provide an electric power steering device.A resolver insulator 16 insulates a resolver stator core 18A and a resolver coil 18B from eac...
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JP2013150432A |
To provide a brushless motor and a fan motor capable of reducing magnetic deviation between a rotor magnet and a sensor magnet.A fan motor 10 has: a rotor shaft 14 to which a rotor 20 having a rotor magnet 16 and rotating by receiving a ...
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