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JP5507518B2 |
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JP2014512790A |
A planetary push-pull electric motor comprising a ring stator fixedly mounted on the central axis of the planetary push-pull electric motor; a planetary rotor arranged to be magnetically movable around an inner circumference of the ring ...
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JP5496154B2 |
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JP5495989B2 |
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JP2014093875A |
To provide a motor and a method of manufacturing the same, capable of preventing one or both of a rotation shaft side and a rotation member side from being damaged when the rotation shaft is inserted into the rotation member, and of prev...
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JP2014090541A |
To provide an inner rotor type motor which comprises a stator adopting an angular stator core and is capable of implementing torque increase without being enlarged in size.The inner rotor type motor comprises: a stator including a stator...
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JP5493580B2 |
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JP5487020B2 |
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JP5481132B2 |
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JP5481129B2 |
A stepping motor (10) includes: a rotor assembly (11) including a magnet (13) and rotatably disposed around the rotation axis as center; and a stator assembly (21) disposed around the rotor assembly (11) and including two stator units (2...
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JP5477939B2 |
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JP5475106B2 |
The present invention relates to a linear stepping motor, the motor characterized by: a housing; a stator mounted inside the housing: a rotor rotatively arranged at an inner surface of the stator and mounted with a female screw threaded ...
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JP5467253B2 |
Inner rings of bearings for a front cover are fastened by a bearing pressing body to mechanically affix the front cover and the bearings together so that a ball screw shaft is stably retained. A bearing structure for a step motor integra...
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JP5465391B2 |
A motor may include a rotor provided with a rotor shaft, a cylindrical bearing made of resin material and provided with a bearing part for rotatably supporting a shaft end of the rotor shaft, and a bearing holder provided with a through-...
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JP5464595B2 |
Provided is a means for mitigating strict constraints between a virtual polyhedron inscribed in a rotor and a virtual polyhedron inscribed in a stator of a spherical stepping motor and a spherical AC servo motor and drastically increasin...
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JP2014060828A |
To provide a stator which is formed into a thin shape while securing the generation efficiency, and to provide a rotary electric machine and an electronic clock.A stator 1 is disposed facing a permanent magnet 2, which rotates around an ...
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JP5457787B2 |
A rotor for motor may include a rotation shaft, a permanent magnet structured in a tube-like shape and fixed to an outer peripheral side of the rotation shaft, and a sleeve which is structured in a tube-like shape, disposed between an ou...
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JP5462877B2 |
A permanent magnet-type stepping motor broadly includes: a movable member (e.g., a rotor) having a number of magnetic poles on a surface thereof, with adjacent poles being of opposite polarity, the number of poles being a function of a c...
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JP5454964B2 |
Disclosed is a step actuator. The step actuator includes a housing; a stator installed in the housing; a rotor positioned radially inward from the stator, the rotor rotating and protruding from one side of the housing; a bearing installe...
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JP5452077B2 |
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JP5453657B2 |
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JP5447951B2 |
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JP2014050288A |
To realize a stepping motor in which a magnetic resistance is inexpensively reduced without increasing the number of parts so that its efficiency is improved.The stepping motor includes yokes 4, 5, 6, and 7 constituting a magnetic circui...
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JP2014050287A |
To realize a small stepping motor in which beating sound occurring between a shaft and a bearing, and quietness is achieved.The stepping motor includes yokes 4, 5, 6, and 7 constituting a magnetic circuit; magnetizing coils 8 and 9 magne...
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JP5442324B2 |
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JP5437892B2 |
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JP5424162B2 |
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JP5411858B2 |
Provided is a motor device in which the entire length of a motor can be shortened as much as possible while the positional deviation of a shaft in a thrust direction is prevented and a shaft length sufficient to suppress the inclination ...
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JP5415751B2 |
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JP2014018041A |
To provide a quiet and compact stepping motor that restricts displacement of a shaft in a radial direction inexpensively without changing the total length of the motor and reduces rattle noise.A stepping motor includes: yokes 4, 5, 6, an...
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JP2014017905A |
To provide a quiet and compact stepping motor that restricts displacement of a shaft in a radial direction and reduces rattle noise.A stepping motor includes: yokes 4, 5, 6, and 7 each having a plurality of pole teeth that are formed lik...
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JP2014018040A |
To provide a quiet and compact stepping motor that restricts displacement of a shaft in a radial direction inexpensively without changing the total length of the motor and reduces rattle noise.A stepping motor includes: yokes each having...
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JP5383080B2 |
A magnetic latch [12] includes a stator having first and second permanent magnets disposed on either side of a center portion. Each of the first and second permanent magnets has at least two associated poles. A rotor [32] has at least on...
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JP5374314B2 |
To provide a waterproof structure of a flow control valve wherein a sealing structure for preventing a fluid flowing through a valve from reaching a stator is configured very easily. The waterproof structure of a flow control valve consi...
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JP2013255344A |
To securely remove a backlash even when gear precision is inferior.A pair of driving-side spur gears 2, 3 are rotated by stepping motors 4, 5, and rotor shafts 4a, 5a of the pair of stepping motors 4, 5 are mutually set so that tooth fac...
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JP5373352B2 |
To provide a camera blade driver that an electromagnetic actuator having approximately U-shaped yoke drives at least one of the blades back and forth and that its design flexibility can be maintained even when making it thin and using a ...
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JP5373006B2 |
The invention provides a hybrid stepping motor which enables magnetic flux that penetrates through rotor iron cores to be balanced and equalized, reduces leakage magnetic flux, increases effective magnetic flux, improves motor property a...
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JP5373351B2 |
To provide a blade drive device for a camera which causes an electromagnetic actuator having a substantially U-shaped yoke to reciprocate at least one blade, wherein reduction in thickness of the device and small plane shape of a base pl...
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JP5365171B2 |
To provide a motor that simultaneously achieves reduction in cogging and ripple. A motor 1 has a stator 2, in which a plurality of teeth 21 are formed at equal intervals in a specific direction, and a moving element 3 supported freely mo...
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JP3187632U |
To provide a rotor for a hybrid stepping motor capable of reducing the weight of the rotor, reducing the inertia, and widening the usable band. A rotor 1A of a hybrid stepping motor includes first and second rotor cores 2 and 3, a first ...
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JP5351530B2 |
To increase the supporting strength of a terminal base, in a motor formed with the terminal base is formed by insert molding into a core. A terminal base 30 is integrally insert-molded to a terminal base holding part 16 which passes a no...
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JP5351529B2 |
The invention provides a motor including a terminal block that is insert molded into a core, so as to increase the strength to support the terminal block. A stator has paired inner cores configured by two inner cores facing back to back ...
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JP5348459B2 |
A power transmission device which is free from a possibility of breakage of a driving member is provided. A stepping otor (driving member) 61a configured to be driven on the basis of a command signal from a controller 70, a lead screw po...
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JP5340662B2 |
To provide a permanent magnet type stepping motor with a small diameter by reducing the thickness of a terminal holder in the radius direction. In a stepping motor 1, a pair of inner yokes 13 which has multiple pole teeth 13a, a pair of ...
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JP5340859B2 |
To provide a step motor provided with a means for positioning a rotor axial center and a stator hole with high accuracy, and including a structure for positioning a rotor and stator, in which a positioning member substantially does not e...
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JP2013223416A |
To provide a drive unit for amplifying a magnetic force, which sandwiches faces of both N and S poles of a permanent magnet having a strong magnetic force, between core edges of two electric magnets, arranges one or more permanent magnet...
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JP5318758B2 |
The invention relates to a ring coil motor (1, 20) with a primary part (3, 21) and a secondary part (2, 22), wherein the primary part (3, 21) has a ring coil (6, 25) and permanent magnets (9, 27).
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JP5317228B2 |
To provide an inexpensive rotary electric machine capable of easily and certainly fixing a motor cover which is arranged on one side of a stator core in the axis direction. A rotary electric machine includes: a stator which is constitute...
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JP2013207921A |
To provide an actuator that is easy to be assembled and that can absorb influences of dimensional accuracy of configuration components, and to provide a method of manufacturing an actuator.In a state that an actuator main body 171 is for...
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JP5306384B2 |
A motor capable of performing mechanical position adjustment of a magnetic detection unit to thereby adjust a phase difference between signals output from respective two magnetosensitive pole pieces. A rotor includes a magnet having an a...
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