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JP2023180134A |
To provide an electric valve control device which can comparatively detect that the rotation of a magnet rotor has been regulated, and an electric valve device.An electric valve control device 100 controls an electric valve 5. The electr...
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JP7401371B2 |
The utility model provides a stepping motor. The precision of the stop position of a rotor is improved by controlling the braking torque in a stepping motor. A stepping motor is provided with: a rotor (10) that is rotatably supported; a ...
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JP2023172144A |
To provide a motor capable of suppressing noise and oscillation during driving of the motor by suppressing detent torque.A motor 10 has a rotor 20 capable of rotating around a central axis J, and a stator 50 surrounding the rotor 20 from...
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JP7385399B2 |
A stepping motor has a relationship between an outer diameter of a rotor and an outer diameter of a bearing made of magnetic material that can be adjusted appropriately so as to impart magnetic attractive force to the bearing, the steppi...
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JP7353224B2 |
To provide a stator capable of improving the quality of a stepping motor.A stator comprises: a stator base material constituted of an integral magnetic material whose average crystal grain diameter is d, and including a through-hole insi...
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JP7353080B2 |
A rotor assembly is provided for an electric motor. The rotor assembly includes: a cylindrical magnet member having magnetization in both axial and radial directions, the magnet member being formed from a moldable magnetic material; and ...
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JP7344687B2 |
To provide a stepping motor that can easily ensure the concentricity of stator groups, even if the number of stator groups is increased to ensure large torque when decreasing a diameter of a stator.In a stepping motor 1, a tip end portio...
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JP7343422B2 |
To provide a stator that is resistant to external stress.A stator includes a stator base material that is composed of an integral magnetic material and has a through hole in which a rotor can be placed, a magnetic path that generates a m...
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JP7337594B2 |
A stepping motor has a relationship between an outer diameter of a rotor and an outer diameter of a bearing made of magnetic material that can be adjusted appropriately so as to impart magnetic attractive force to the bearing, the steppi...
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JP2023109316A |
To provide an actuator capable of easily performing positioning of a stator with respect to a rotor inside a motor housing.An actuator 1 is provided with a motor unit 10 having a stator 13, a motor housing 14, and a spring member 15 as e...
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JP2023092757A |
To provide a stator, a stepping motor, a watch movement, and a watch.The stator is formed from a base material formed by a soft magnetic alloy, is provided with a through-hole for a rotor, and is provided with a magnetic path on surround...
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JP7301700B2 |
A stator includes a magnetic plate material that has a main plate surface that is a surface to face a main plate of a movement when assembled to the main plate and that has a rotor accommodating hole formed in a part thereof; and a non-m...
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JP7292887B2 |
Provided is a motor in which the occurrence of looseness occurring between a bobbin and a stator can be reliably suppressed regardless of the gap in which variation occurs. Specifically, projection portions 7b2 provided at two places in ...
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JP7288531B2 |
To provide a stator 21 for a motor-operated valve that constitutes a motor part together with a magnet rotor of a valve device which prevents intrusion of a part of a cast resin part 21D to the side of an insertion hole 21H to which the ...
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JP7286186B2 |
Provided is a stator unit capable of reducing the number of components and man-hours of assembling so as to reduce parts cost and production cost, and a motor-driven valve including the same. A rotation-stopping member 30 includes an ann...
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JP7284446B2 |
To provide a linear/rotary actuator, while capable of performing composite operation of an output shaft 4 by direct advance and rotation by controlling drive of a first motor 1 and a second motor 2, allowed to be inexpensively manufactur...
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JP2023074853A |
To provide a rotor capable of reducing oscillation.A rotor 2 has a shaft 3, a cylindrical magnet 4 arranged to be away from the outside in a radial direction of the shaft, and a cylindrical first sleeve 5 and a second sleeve 6 surroundin...
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JP2023074052A |
To provide a motor rotor comprising a sleeve pushed in a rotation axis, capable of easily performing an operation of pushing the sleeve in the rotation axis.A motor rotor 4 comprises a rotation axis 2, a cylindrical sleeve 18 fixed onto ...
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JP2023074053A |
To provide a motor capable of reducing the number of components even while regulating movements of a power supply substrate in a direction of extension of a plurality of terminal pins, the motor comprising the plurality of terminal pins ...
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JP7278162B2 |
To provide a stepping motor that can easily ensure the concentricity of each stator group, even if the number of A-phase and B-phase stator groups is increased to ensure large torque when a diameter of a stator is reduced.In a stepping m...
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JP2023030840A |
To provide a motor which can increase torque while improving fitting accuracy of a rotor, and a motor manufacturing method.A motor comprises: a rotor which has a magnet fixed to a shaft 3; a cylindrical yoke 10 which covers the surroundi...
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JP7222732B2 |
In an electric motor, the direction of an urging force applied by an urging member in a direction intersecting the axial direction of a rotating shaft is not changed, and motor characteristics are maintained constant. The end plate (31) ...
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JP2023009408A |
To provide a PM-type two-phase stepping motor which has an unconventional structure capable of reducing "a sound caused by vibration".MEANS FOR SOLVING THE PROBLEM: Weight of a rotor 20 is reduced as light as possible, while maintaining ...
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JP7202004B2 |
To provide a stator unit in which a stator is sufficiently covered with a resin.A stator unit 56 includes a stator 44 covered with a mold resin. The stator 44 has a yoke unit and a bobbin 50 that is assembled on the yoke unit and around ...
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JP2022190484A |
To provide a technique for a magnet rotor for step motor which suppresses the occurrence of an engagement failure with a counterpart gear even if the magnet rotor falls during transportation.A magnet rotor for a step motor comprises: a r...
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JP7153461B2 |
An electric motor capable of biasing a rotor in an axial direction with a small number of parts and capable of defining a sliding portion. An electric motor (1) is provided with: a rotor (30) providedwith a main body section (33) extendi...
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JP2022156451A |
To provide a manufacturing method for a yoke member for a stepping motor capable of improving performance by increasing the degree of freedom in designing teeth.A yoke member 40 for a stepping motor includes a cylindrical part 41 provide...
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JP2022155701A |
To provide a stepping motor which can be miniaturized while eliminating a terminal block.A stepping motor comprises a rotor 20, a stator 30 with a coil 32 and a yoke, and a connection circuit board connected with the coil 32. The connect...
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JP7148354B2 |
A motor may include a rotor and a stator. The stator may include first and second stator assemblies. Each stator assembly may include a coil wound around a tube-shaped body part of a bobbin comprising a terminal block; and first and seco...
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JP7129803B2 |
To provide a motor that suppresses radial vibration of a rotor.The motor includes: a motor case (30); a rotor (40) disposed in the motor case; and a biasing member (50) for supporting the rotor. The biasing member includes: an end portio...
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JP2022126951A |
To provide a linear drive device including a position detection mechanism for detecting the location of a movable body in the axial direction of a feed screw shaft and capable of suppressing the variation of the mounting location of a de...
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JP7120858B2 |
To provide a method for manufacturing a stator for a motor and a stator for a motor that can reduce heat deformation due to irradiation with laser during formation of a non-magnetic area.A method for manufacturing a stator for a motor in...
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JP2022112231A |
To provide a stepping motor in which noise superimposed on the output of a sensor can be reduced, consequently detection accuracy of the sensor can be improved.A stepping motor is provided, comprising: a stator and a rotor between a fron...
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JP2022111518A |
To provide a stator capable of keeping a leading wire of a coil from making contact with a rotor.A stator includes: a circular column shaft 11 extending in an axial direction; a plurality of circular parts arranged axially side by side o...
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JP2022111517A |
To provide a stator capable of suppressing deformation of a stator core during manufacture while the stator core having an increased number of pole teeth.A first stator core includes: a lower core 22; and an upper core 21 arranged on one...
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JP7097669B2 |
In a device for ambulatory wearing by the patient containing a pump for delivery of injection fluid or for removal of analysis fluid, the drive motor for the mechanically driven pump system is a Lavet-type stepper motor of small size des...
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JP7090041B2 |
To prevent a part of a casting resin portion 21D from entering a fitting hole 21H side for fitting a valve device, and secure the action of a bracket 1 (fixing metal fitting) in a motor-operated valve stator 21 that constitutes a motor p...
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JP7086739B2 |
Provided is an electric motor in which permanent magnets are disposed on a rotor so as to prevent the permanent magnets from falling off or idling with high reliability. Electric motor, rotor, the rotor is provided with a cylindrical per...
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JP2022071882A |
To provide a spherical surface accelerator/decelerator capable of efficiently transmitting a rotation of a rotor of a spherical surface motor to an output ball and an effective control method for the spherical surface accelerator/deceler...
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JP7066361B2 |
A timepiece includes a voltage detection unit that detects a voltage applied to a stepping motor for driving an indicating hand, and that outputs a voltage detection result, and a drive control unit that controls a rotor to perform rever...
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JP7052193B2 |
A stepping motor includes: a rotor; and a stator including an opening accommodating the rotor, a first side yoke extending from the opening in a first direction, a second side yoke extending from the opening in a second direction that is...
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JP7037134B2 |
To make it possible to easily in short time perform connection work with a wiring board 82 with respect to a lower terminal tip 611 which is provided in parallel with a motor connection pin 11b on a lower surface portion by manufacturing...
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JP7032012B1 |
To add a sweep hand movement function to an analog electronic clock. An angular velocity control of a step motor for hand movement, in which an inertia is provided in a rotor. The step motor model calculates the equation of motion and ci...
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JP2022030905A |
To provide a hybrid-type stepping motor capable of correctly detecting a rotation direction and a rotation number and having a relatively simple structure.A hybrid-type stepping motor 10 includes: a rotation shaft 12c; a rotor attached t...
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JP2022025830A |
To provide a motor in which a coil wire wound around a terminal pin can be soldered while suppressing deformation of a terminal block or disconnection of the coil wire.In a motor 1, a coil wire 260 obtained by coating a metal wire with a...
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JP2022025831A |
To provide a motor capable of securing an intensity of a welding part for fixing both members even if a diameter of the motor is reduced.A motor 1 of the present embodiment, includes: a rotor 2 having a rotational shaft 21; and a cylindr...
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JP6993079B2 |
A stepping motor includes a rotor that is used in rotating an indicating hand, and a stator that configures a magnetic path, that is made of an alloy containing Fe, Ni, and Cr, and in which a Cr-diffusion region whose Cr-concentration is...
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JP7002408B2 |
A stepping motor includes a stator, a rotor rotatably supported by the stator, and an auxiliary magnetic member. The auxiliary magnetic member has a body, side edge parts at both circumferential ends of the body, and an opening between t...
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JP2021164275A |
To provide a motor which can be electrically connected to a coil part to an outer part of a stator with a simple structure.A stator of a motor, comprises: a bobbin 1; a coil part 2; a stator core; and a substrate 4. The bobbin surrounds ...
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JP2021164273A |
To provide a motor capable of efficiently positioning a stator in a circumferential direction and an axial direction.A first bobbin 23 includes: a first cylindrical part which extends in an axial direction while a first winding 24 is wou...
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